From f44cbe02c17df1f02ad49c63cd784fec0ea02d85 Mon Sep 17 00:00:00 2001
From: fiaxh <git@lightrise.org>
Date: Sat, 14 May 2022 14:45:59 +0200
Subject: Improve Gtk4 port

---
 main/CMakeLists.txt                                |  30 +--
 main/data/add_conversation/add_contact_dialog.ui   |   1 -
 main/data/add_conversation/add_groupchat_dialog.ui |   1 -
 .../conference_details_fragment.ui                 |   2 -
 main/data/add_conversation/select_jid_fragment.ui  |   1 -
 main/data/call_widget.ui                           |  11 -
 main/data/chat_input.ui                            |   1 -
 main/data/contact_details_dialog.ui                |   2 -
 .../item_metadata_header.ui                        |   2 -
 main/data/conversation_content_view/view.ui        |   2 -
 main/data/conversation_item_widget.ui              |   6 +-
 main/data/conversation_list_titlebar.ui            |  34 ++-
 main/data/conversation_row.ui                      |  16 --
 main/data/conversation_view.ui                     |   6 -
 main/data/icons/dino-account-plus-symbolic.svg     |   1 -
 .../dino-conversation-list-placeholder-arrow.svg   |  11 -
 main/data/icons/dino-party-popper-symbolic.svg     |  29 ---
 main/data/icons/dino-qr-code-symbolic.svg          |  15 --
 .../actions/dino-account-plus-symbolic.svg         |   1 +
 .../status/dino-changes-allowed-symbolic.svg       |  10 -
 .../status/dino-changes-prevent-symbolic.svg       |  67 ------
 .../dino-conversation-list-placeholder-arrow.svg   |  11 +
 .../scalable/ui/dino-party-popper-symbolic.svg     |  29 +++
 .../icons/scalable/ui/dino-qr-code-symbolic.svg    |  15 ++
 main/data/manage_accounts/account_row.ui           |   1 -
 main/data/manage_accounts/dialog.ui                |   1 -
 main/data/menu_add.ui                              |   2 -
 main/data/search_autocomplete.ui                   |   1 -
 main/data/shortcuts.ui                             |  10 -
 main/data/theme.css                                |  10 +-
 main/data/unified_window_placeholder.ui            |   1 -
 .../ui/add_conversation/add_conference_dialog.vala |  53 +++--
 .../ui/add_conversation/add_groupchat_dialog.vala  |   2 +-
 main/src/ui/add_conversation/conference_list.vala  |  17 +-
 main/src/ui/add_conversation/list_row.vala         |   6 +-
 main/src/ui/add_conversation/roster_list.vala      |  10 -
 .../ui/add_conversation/select_contact_dialog.vala |   4 +-
 .../ui/add_conversation/select_jid_fragment.vala   |  18 +-
 main/src/ui/application.vala                       |  13 +-
 main/src/ui/avatar_image.vala                      |   3 +-
 .../src/ui/call_window/audio_settings_popover.vala |  44 ++--
 main/src/ui/call_window/call_bottom_bar.vala       |  57 ++---
 .../call_connection_details_window.vala            |  30 +--
 .../src/ui/call_window/call_encryption_button.vala |  28 +--
 main/src/ui/call_window/call_window.vala           |  27 +--
 .../src/ui/call_window/call_window_controller.vala |   9 +-
 main/src/ui/call_window/participant_widget.vala    |  31 +--
 .../src/ui/call_window/video_settings_popover.vala |  24 +-
 main/src/ui/chat_input/chat_text_view.vala         |  26 +--
 main/src/ui/chat_input/encryption_button.vala      |  54 +++--
 main/src/ui/chat_input/view.vala                   |  20 +-
 main/src/ui/contact_details/blocking_provider.vala |   2 +-
 main/src/ui/contact_details/dialog.vala            |  50 +++--
 .../ui/contact_details/permissions_provider.vala   |   2 +-
 main/src/ui/contact_details/settings_provider.vala |   4 +-
 .../conversation_item_factory.vala                 |  36 ---
 .../ui/conversation_content_view/call_widget.vala  |  16 +-
 .../chat_state_populator.vala                      |   8 +-
 .../conversation_item_skeleton.vala                |  40 ++--
 .../conversation_view.vala                         |   9 +-
 .../date_separator_populator.vala                  |   8 +-
 .../file_default_widget.vala                       |   4 +-
 .../file_image_widget.vala                         |   4 +-
 .../ui/conversation_content_view/file_widget.vala  |  12 +-
 .../message_item_widget.vala                       | 229 -------------------
 .../conversation_content_view/message_widget.vala  |   2 +-
 .../subscription_notification.vala                 |   8 +-
 .../conversation_list_item_factory.vala            | 245 ---------------------
 .../conversation_list/conversation_list_model.vala | 141 ------------
 .../conversation_list/conversation_list_row.vala   |  41 ----
 .../conversation_selector.vala                     |  50 ++---
 .../conversation_selector_row.vala                 |  14 +-
 main/src/ui/conversation_titlebar/call_entry.vala  |   1 -
 .../conversation_titlebar.vala                     |  14 +-
 main/src/ui/conversation_view.vala                 |   4 +-
 main/src/ui/conversation_view_controller.vala      | 149 ++++++-------
 main/src/ui/file_send_overlay.vala                 |  31 +--
 main/src/ui/global_search.vala                     |  24 +-
 main/src/ui/main_window.vala                       |   4 +-
 main/src/ui/main_window_controller.vala            |   7 -
 .../src/ui/manage_accounts/add_account_dialog.vala |  44 ++--
 main/src/ui/manage_accounts/dialog.vala            |  33 +--
 main/src/ui/occupant_menu/list.vala                |  10 +-
 main/src/ui/occupant_menu/view.vala                |  27 +--
 main/src/ui/util/data_forms.vala                   |   8 +-
 main/src/ui/util/label_hybrid.vala                 |  23 +-
 main/src/ui/util/scaling_image.vala                |  14 --
 main/src/ui/util/sizing_bin.vala                   |   5 +
 plugins/omemo/data/contact_details_dialog.ui       |   1 -
 plugins/omemo/src/ui/bad_messages_populator.vala   |   4 +-
 plugins/omemo/src/ui/contact_details_dialog.vala   |  18 +-
 .../src/ui/device_notification_populator.vala      |   6 +-
 plugins/omemo/src/ui/manage_key_dialog.vala        |   2 +-
 plugins/openpgp/src/contact_details_provider.vala  |   2 +-
 plugins/rtp/src/video_widget.vala                  |   2 +-
 95 files changed, 643 insertions(+), 1521 deletions(-)
 delete mode 100644 main/data/icons/dino-account-plus-symbolic.svg
 delete mode 100644 main/data/icons/dino-conversation-list-placeholder-arrow.svg
 delete mode 100644 main/data/icons/dino-party-popper-symbolic.svg
 delete mode 100644 main/data/icons/dino-qr-code-symbolic.svg
 create mode 100644 main/data/icons/scalable/actions/dino-account-plus-symbolic.svg
 delete mode 100644 main/data/icons/scalable/status/dino-changes-allowed-symbolic.svg
 delete mode 100644 main/data/icons/scalable/status/dino-changes-prevent-symbolic.svg
 create mode 100644 main/data/icons/scalable/ui/dino-conversation-list-placeholder-arrow.svg
 create mode 100644 main/data/icons/scalable/ui/dino-party-popper-symbolic.svg
 create mode 100644 main/data/icons/scalable/ui/dino-qr-code-symbolic.svg
 delete mode 100644 main/src/ui/conversation_content/conversation_item_factory.vala
 delete mode 100644 main/src/ui/conversation_content_view/message_item_widget.vala
 delete mode 100644 main/src/ui/conversation_list/conversation_list_item_factory.vala
 delete mode 100644 main/src/ui/conversation_list/conversation_list_model.vala
 delete mode 100644 main/src/ui/conversation_list/conversation_list_row.vala

diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index 4a952396..dd12e120 100644
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -13,16 +13,14 @@ find_packages(MAIN_PACKAGES REQUIRED
 )
 
 set(RESOURCE_LIST
-    icons/dino-account-plus-symbolic.svg
-    icons/dino-conversation-list-placeholder-arrow.svg
-    icons/dino-qr-code-symbolic.svg
-    icons/dino-party-popper-symbolic.svg
     icons/dino-status-away.svg
     icons/dino-status-chat.svg
     icons/dino-status-dnd.svg
     icons/dino-status-online.svg
     icons/im.dino.Dino.svg
 
+    icons/scalable/actions/dino-account-plus-symbolic.svg
+
     icons/scalable/apps/im.dino.Dino-symbolic.svg
 
     icons/scalable/devices/dino-device-desktop-symbolic.svg
@@ -43,8 +41,6 @@ set(RESOURCE_LIST
     icons/scalable/mimetypes/dino-file-table-symbolic.svg
     icons/scalable/mimetypes/dino-file-video-symbolic.svg
 
-    icons/scalable/status/dino-changes-allowed-symbolic.svg
-    icons/scalable/status/dino-changes-prevent-symbolic.svg
     icons/scalable/status/dino-double-tick-symbolic.svg
     icons/scalable/status/dino-microphone-off-symbolic.svg
     icons/scalable/status/dino-microphone-symbolic.svg
@@ -53,6 +49,10 @@ set(RESOURCE_LIST
     icons/scalable/status/dino-video-off-symbolic.svg
     icons/scalable/status/dino-video-symbolic.svg
 
+    icons/scalable/ui/dino-conversation-list-placeholder-arrow.svg
+    icons/scalable/ui/dino-qr-code-symbolic.svg
+    icons/scalable/ui/dino-party-popper-symbolic.svg
+
     add_conversation/add_contact_dialog.ui
     add_conversation/add_groupchat_dialog.ui
     add_conversation/conference_details_fragment.ui
@@ -103,11 +103,6 @@ compile_gresources(
 
 unset(MAIN_EXTRA_OPTIONS)
 unset(MAIN_EXTRA_PACKAGES)
-# find_package(GDK3)
-# if(GDK3_WITH_X11)
-#     set(MAIN_EXTRA_OPTIONS ${MAIN_EXTRA_OPTIONS} -D GDK3_WITH_X11)
-#     set(MAIN_EXTRA_PACKAGES ${MAIN_EXTRA_PACKAGES} gdk-x11-3.0)
-# endif(GDK3_WITH_X11)
 set(MAIN_EXTRA_OPTIONS ${MAIN_EXTRA_OPTIONS} --vapidir=${CMAKE_CURRENT_SOURCE_DIR}/vapi)
 
 vala_precompile(MAIN_VALA_C
@@ -226,16 +221,3 @@ install(FILES data/im.dino.Dino.desktop DESTINATION ${DESKTOP_FILE_INSTALL_DIR})
 install(FILES data/im.dino.Dino.service DESTINATION ${SERVICE_FILE_INSTALL_DIR})
 install(FILES data/icons/im.dino.Dino.svg DESTINATION ${ICON_INSTALL_DIR}/hicolor/scalable/apps)
 install(FILES data/icons/im.dino.Dino-symbolic.svg DESTINATION ${ICON_INSTALL_DIR}/hicolor/symbolic/apps)
-install(FILES
-    data/icons/dino-status-away.svg
-    data/icons/dino-status-chat.svg
-    data/icons/dino-status-dnd.svg
-    data/icons/dino-status-online.svg
-
-    data/icons/dino-changes-prevent-symbolic.svg
-    data/icons/dino-double-tick-symbolic.svg
-    data/icons/dino-qr-code-symbolic.svg
-    data/icons/dino-tick-symbolic.svg
-DESTINATION
-    ${ICON_INSTALL_DIR}/hicolor/scalable/status
-)
diff --git a/main/data/add_conversation/add_contact_dialog.ui b/main/data/add_conversation/add_contact_dialog.ui
index 1abc9a7a..2a9884b6 100644
--- a/main/data/add_conversation/add_contact_dialog.ui
+++ b/main/data/add_conversation/add_contact_dialog.ui
@@ -49,7 +49,6 @@
                             <object class="DinoUiAccountComboBox" id="account_combobox">
                                 <property name="hexpand">True</property>
                                 <property name="width_request">200</property>
-                                <property name="visible">True</property>
                                 <layout>
                                     <property name="column">1</property>
                                     <property name="row">0</property>
diff --git a/main/data/add_conversation/add_groupchat_dialog.ui b/main/data/add_conversation/add_groupchat_dialog.ui
index 5acd6891..468051f5 100644
--- a/main/data/add_conversation/add_groupchat_dialog.ui
+++ b/main/data/add_conversation/add_groupchat_dialog.ui
@@ -54,7 +54,6 @@
                                             <object class="DinoUiAccountComboBox" id="account_combobox">
                                                 <property name="hexpand">True</property>
                                                 <property name="width_request">200</property>
-                                                <property name="visible">True</property>
                                             </object>
                                         </property>
                                     </object>
diff --git a/main/data/add_conversation/conference_details_fragment.ui b/main/data/add_conversation/conference_details_fragment.ui
index 0fdf2b8e..158d35c0 100644
--- a/main/data/add_conversation/conference_details_fragment.ui
+++ b/main/data/add_conversation/conference_details_fragment.ui
@@ -2,7 +2,6 @@
 <interface>
     <requires lib="gtk" version="4.0"/>
     <template class="DinoUiConferenceDetailsFragment">
-        <property name="visible">True</property>
         <child>
             <object class="GtkOverlay">
                 <property name="child">
@@ -53,7 +52,6 @@
                                             <object class="DinoUiAccountComboBox" id="account_combobox">
                                                 <property name="hexpand">True</property>
                                                 <property name="width_request">200</property>
-                                                <property name="visible">True</property>
                                             </object>
                                         </property>
                                     </object>
diff --git a/main/data/add_conversation/select_jid_fragment.ui b/main/data/add_conversation/select_jid_fragment.ui
index 8ead3207..787add9f 100644
--- a/main/data/add_conversation/select_jid_fragment.ui
+++ b/main/data/add_conversation/select_jid_fragment.ui
@@ -4,7 +4,6 @@
     <template class="DinoUiSelectJidFragment">
         <property name="height_request">500</property>
         <property name="width_request">460</property>
-        <property name="visible">True</property>
         <child>
             <object class="GtkGrid">
                 <property name="hexpand">1</property>
diff --git a/main/data/call_widget.ui b/main/data/call_widget.ui
index 41df8cfb..aed663b1 100644
--- a/main/data/call_widget.ui
+++ b/main/data/call_widget.ui
@@ -10,45 +10,38 @@
                 <property name="target-width">350</property>
                 <property name="max-width">350</property>
                 <property name="hexpand">True</property>
-                <property name="visible">True</property>
                 <child>
                     <object class="GtkBox">
                         <property name="orientation">vertical</property>
                         <property name="halign">fill</property>
                         <property name="hexpand">true</property>
-                        <property name="visible">True</property>
                         <child>
                             <object class="GtkBox">
                                 <property name="orientation">horizontal</property>
                                 <property name="spacing">10</property>
-                                <property name="visible">True</property>
                                 <style>
                                     <class name="call-box"/>
                                 </style>
                                 <child>
                                     <object class="GtkImage" id="image">
                                         <property name="opacity">0.7</property>
-                                        <property name="visible">True</property>
                                     </object>
                                 </child>
                                 <child>
                                     <object class="GtkBox">
                                         <property name="orientation">vertical</property>
                                         <property name="hexpand">True</property>
-                                        <property name="visible">True</property>
                                         <child>
                                             <object class="GtkLabel" id="title_label">
                                                 <property name="ellipsize">middle</property>
                                                 <property name="xalign">0</property>
                                                 <property name="yalign">0</property>
-                                                <property name="visible">True</property>
                                             </object>
                                         </child>
                                         <child>
                                             <object class="GtkLabel" id="subtitle_label">
                                                 <property name="xalign">0</property>
                                                 <property name="yalign">1</property>
-                                                <property name="visible">True</property>
                                                 <attributes>
                                                     <attribute name="scale" value="0.8"/>
                                                 </attributes>
@@ -63,10 +56,8 @@
                                 <property name="transition-type">slide-down</property>
                                 <property name="transition-duration">200</property>
                                 <property name="reveal-child">True</property>
-                                <property name="visible">True</property>
                                 <child>
                                     <object class="GtkBox" id="outer_additional_box">
-                                        <property name="visible">True</property>
                                         <child>
                                             <object class="GtkBox" id="incoming_call_box">
                                                 <property name="halign">end</property>
@@ -80,7 +71,6 @@
                                                 <child>
                                                     <object class="GtkButton" id="reject_call_button">
                                                         <property name="label" translatable="yes">Reject</property>
-                                                        <property name="visible">True</property>
                                                         <style>
                                                             <class name="destructive-action"/>
                                                         </style>
@@ -89,7 +79,6 @@
                                                 <child>
                                                     <object class="GtkButton" id="accept_call_button">
                                                         <property name="label" translatable="yes">Accept</property>
-                                                        <property name="visible">True</property>
                                                         <style>
                                                             <class name="suggested-action"/>
                                                         </style>
diff --git a/main/data/chat_input.ui b/main/data/chat_input.ui
index 9abd7eeb..12d104ad 100644
--- a/main/data/chat_input.ui
+++ b/main/data/chat_input.ui
@@ -4,7 +4,6 @@
     <template class="DinoUiChatInputView">
         <property name="hexpand">True</property>
         <property name="orientation">vertical</property>
-        <property name="visible">True</property>
         <style>
             <class name="dino-chatinput"/>
         </style>
diff --git a/main/data/contact_details_dialog.ui b/main/data/contact_details_dialog.ui
index 322cd2df..64a0e5fc 100644
--- a/main/data/contact_details_dialog.ui
+++ b/main/data/contact_details_dialog.ui
@@ -33,7 +33,6 @@
                                             <object class="DinoUiAvatarImage" id="avatar">
                                                 <property name="height">50</property>
                                                 <property name="width">50</property>
-                                                <property name="visible">True</property>
                                                 <property name="allow_gray">False</property>
                                                 <layout>
                                                     <property name="column">0</property>
@@ -46,7 +45,6 @@
                                             <object class="DinoUiUtilEntryLabelHybrid" id="name_hybrid">
                                                 <property name="xalign">0</property>
                                                 <property name="hexpand">True</property>
-                                                <property name="visible">True</property>
                                                 <layout>
                                                     <property name="column">1</property>
                                                     <property name="row">0</property>
diff --git a/main/data/conversation_content_view/item_metadata_header.ui b/main/data/conversation_content_view/item_metadata_header.ui
index c146aff1..20a2b7d9 100644
--- a/main/data/conversation_content_view/item_metadata_header.ui
+++ b/main/data/conversation_content_view/item_metadata_header.ui
@@ -8,7 +8,6 @@
                 <property name="ellipsize">end</property>
                 <property name="xalign">0</property>
                 <property name="valign">baseline</property>
-                <property name="visible">True</property>
                 <attributes>
                     <attribute name="weight" value="PANGO_WEIGHT_BOLD"/>
                 </attributes>
@@ -18,7 +17,6 @@
             <object class="GtkLabel" id="time_label">
                 <property name="xalign">0</property>
                 <property name="valign">baseline</property>
-                <property name="visible">True</property>
                 <attributes>
                     <attribute name="scale" value="0.8"/>
                 </attributes>
diff --git a/main/data/conversation_content_view/view.ui b/main/data/conversation_content_view/view.ui
index 638129ec..d64c0982 100644
--- a/main/data/conversation_content_view/view.ui
+++ b/main/data/conversation_content_view/view.ui
@@ -22,12 +22,10 @@
                                                     <object class="GtkOverlay">
                                                         <child>
                                                             <object class="GtkBox" id="main_event_box">
-                                                                <property name="visible">True</property>
                                                                 <child>
                                                                     <object class="DinoUiSizeRequestBox" id="main">
                                                                         <property name="margin-bottom">15</property>
                                                                         <property name="orientation">vertical</property>
-                                                                        <property name="visible">True</property>
                                                                         <property name="size-request-mode">height-for-width</property>
                                                                     </object>
                                                                 </child>
diff --git a/main/data/conversation_item_widget.ui b/main/data/conversation_item_widget.ui
index e796006e..cd6c9269 100644
--- a/main/data/conversation_item_widget.ui
+++ b/main/data/conversation_item_widget.ui
@@ -50,7 +50,8 @@
     <child>
       <object class="GtkImage" id="encrypted_image">
         <property name="opacity">0.4</property>
-        <property name="pixel-size">14</property>
+        <property name="pixel-size">12</property>
+        <property name="margin-top">2</property>
         <layout>
           <property name="column">3</property>
           <property name="row">0</property>
@@ -60,7 +61,8 @@
     <child>
       <object class="GtkImage" id="marked_image">
         <property name="opacity">0.4</property>
-        <property name="pixel-size">14</property>
+        <property name="pixel-size">13</property>
+        <property name="margin-top">2</property>
         <property name="halign">start</property>
         <property name="hexpand">True</property>
         <layout>
diff --git a/main/data/conversation_list_titlebar.ui b/main/data/conversation_list_titlebar.ui
index 36ad0656..b72533e1 100644
--- a/main/data/conversation_list_titlebar.ui
+++ b/main/data/conversation_list_titlebar.ui
@@ -1,48 +1,42 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
+    <requires lib="gtk" version="4.0"/>
     <template class="DinoUiConversationListTitlebar" parent="GtkBox">
-        <property name="hexpand">False</property>
-        <property name="visible">True</property>
+        <property name="hexpand">0</property>
         <style>
             <class name="dino-header-left"/>
         </style>
         <child>
             <object class="GtkBox">
-                <property name="margin">5</property>
-                <property name="hexpand">True</property>
-                <property name="visible">True</property>
+                <property name="margin-start">5</property>
+                <property name="margin-end">5</property>
+                <property name="margin-top">5</property>
+                <property name="margin-bottom">5</property>
+                <property name="hexpand">1</property>
                 <child>
                     <object class="GtkMenuButton" id="add_button">
-                        <property name="tooltip_text" translatable="yes">Start Conversation</property>
-                        <property name="relief">none</property>
-                        <property name="visible">True</property>
+                        <property name="tooltip_text" translatable="1">Start Conversation</property>
+                        <property name="has-frame">False</property>
                         <child>
                             <object class="GtkImage">
-                                <property name="visible">True</property>
                                 <property name="icon-name">list-add-symbolic</property>
-                                <property name="icon-size">1</property>
+                                <property name="icon-size">normal</property>
                             </object>
                         </child>
                     </object>
-                    <packing>
-                        <property name="pack_type">start</property>
-                    </packing>
                 </child>
                 <child>
                     <object class="GtkMenuButton" id="menu_button">
-                        <property name="relief">none</property>
-                        <property name="visible">True</property>
+                        <property name="halign">end</property>
+                        <property name="hexpand">True</property>
+                        <property name="has-frame">False</property>
                         <child>
                             <object class="GtkImage">
-                                <property name="visible">True</property>
                                 <property name="icon-name">open-menu-symbolic</property>
-                                <property name="icon-size">1</property>
+                                <property name="icon-size">normal</property>
                             </object>
                         </child>
                     </object>
-                    <packing>
-                        <property name="pack_type">end</property>
-                    </packing>
                 </child>
             </object>
         </child>
diff --git a/main/data/conversation_row.ui b/main/data/conversation_row.ui
index c164a7b5..fcfd22f0 100644
--- a/main/data/conversation_row.ui
+++ b/main/data/conversation_row.ui
@@ -1,13 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
     <template class="DinoUiConversationSelectorRow">
-        <property name="visible">True</property>
         <child>
             <object class="GtkRevealer" id="main_revealer">
                 <property name="transition-type">slide-down</property>
                 <property name="transition-duration">200</property>
                 <property name="reveal-child">True</property>
-                <property name="visible">True</property>
                 <child>
                     <object class="GtkBox">
                         <property name="orientation">horizontal</property>
@@ -15,24 +13,20 @@
                         <property name="margin-bottom">10</property>
                         <property name="margin-start">7</property>
                         <property name="margin-end">14</property>
-                        <property name="visible">True</property>
                         <child>
                             <object class="DinoUiAvatarImage" id="image">
                                 <property name="height">35</property>
                                 <property name="width">35</property>
                                 <property name="valign">center</property>
-                                <property name="visible">True</property>
                             </object>
                         </child>
                         <child>
                             <object class="GtkBox">
                                 <property name="margin-start">10</property>
                                 <property name="orientation">vertical</property>
-                                <property name="visible">True</property>
                                 <child>
                                     <object class="GtkBox">
                                         <property name="valign">start</property>
-                                        <property name="visible">True</property>
                                         <property name="orientation">horizontal</property>
                                         <child>
                                             <object class="GtkLabel" id="name_label">
@@ -41,7 +35,6 @@
                                                 <property name="hexpand">True</property>
                                                 <property name="margin-end">7</property>
                                                 <property name="xalign">0</property>
-                                                <property name="visible">True</property>
                                             </object>
                                         </child>
                                         <child>
@@ -49,7 +42,6 @@
                                                 <property name="transition-type">slide-right</property>
                                                 <property name="transition-duration">50</property>
                                                 <property name="reveal-child">True</property>
-                                                <property name="visible">True</property>
                                                 <child>
                                                     <object class="GtkLabel" id="time_label">
                                                         <property name="hexpand">False</property>
@@ -66,7 +58,6 @@
                                 <child>
                                     <object class="GtkBox">
                                         <property name="valign">end</property>
-                                        <property name="visible">True</property>
                                         <property name="orientation">horizontal</property>
                                         <child>
                                             <object class="GtkLabel" id="nick_label">
@@ -101,7 +92,6 @@
                                                 <property name="transition-type">slide-right</property>
                                                 <property name="transition-duration">50</property>
                                                 <property name="reveal-child">True</property>
-                                                <property name="visible">True</property>
                                                 <child>
                                                     <object class="GtkLabel" id="unread_count_label">
                                                         <property name="vexpand">False</property>
@@ -123,11 +113,9 @@
                         <child>
                             <object class="GtkBox">
                                 <property name="orientation">vertical</property>
-                                <property name="visible">True</property>
                                 <child>
                                     <object class="GtkBox">
                                         <property name="vexpand">True</property>
-                                        <property name="visible">True</property>
                                     </object>
                                 </child>
                                 <child>
@@ -135,13 +123,11 @@
                                         <property name="transition-type">slide-left</property>
                                         <property name="transition-duration">100</property>
                                         <property name="reveal-child">False</property>
-                                        <property name="visible">True</property>
                                         <child>
                                             <object class="GtkButton" id="x_button">
                                                 <property name="width-request">27</property>
                                                 <property name="height-request">27</property>
                                                 <property name="vexpand">False</property>
-                                                <property name="visible">True</property>
                                                 <property name="margin-start">5</property>
                                                 <style>
                                                     <class name="conversation_list_row_xbutton"/>
@@ -152,7 +138,6 @@
                                                     <object class="GtkImage">
                                                         <property name="icon-name">window-close-symbolic</property>
                                                         <property name="icon-size">1</property>
-                                                        <property name="visible">True</property>
                                                     </object>
                                                 </child>
                                             </object>
@@ -162,7 +147,6 @@
                                 <child>
                                     <object class="GtkBox">
                                         <property name="vexpand">True</property>
-                                        <property name="visible">True</property>
                                     </object>
                                 </child>
                             </object>
diff --git a/main/data/conversation_view.ui b/main/data/conversation_view.ui
index 9515a7bd..f13e583d 100644
--- a/main/data/conversation_view.ui
+++ b/main/data/conversation_view.ui
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
     <template class="DinoUiConversationView">
-        <property name="visible">True</property>
         <child>
             <object class="GtkOverlay" id="overlay">
                 <child>
@@ -22,7 +21,6 @@
                                         <property name="halign">end</property>
                                         <property name="valign">end</property>
                                         <property name="transition-type">crossfade</property>
-                                        <property name="visible">True</property>
                                         <property name="margin-end">30</property>
                                         <property name="margin-bottom">30</property>
                                         <child>
@@ -32,7 +30,6 @@
                                                 <property name="vexpand">False</property>
                                                 <property name="halign">end</property>
                                                 <property name="valign">end</property>
-                                                <property name="visible">True</property>
                                                 <style>
                                                     <class name="circular-button"/>
                                                 </style>
@@ -40,7 +37,6 @@
                                                     <object class="GtkImage">
                                                         <property name="icon-name">go-down-symbolic</property>
                                                         <property name="icon-size">1</property>
-                                                        <property name="visible">True</property>
                                                     </object>
                                                 </child>
                                             </object>
@@ -51,7 +47,6 @@
                         </child>
                         <child>
                             <object class="DinoUiChatInputView" id="chat_input">
-                                <property name="visible">True</property>
                             </object>
                         </child>
                     </object>
@@ -65,7 +60,6 @@
                         <child>
                             <object class="GtkBox">
                                 <property name="opacity">0.7</property>
-                                <property name="visible">true</property>
                                 <style>
                                     <class name="dino-white-overlay"/>
                                 </style>
diff --git a/main/data/icons/dino-account-plus-symbolic.svg b/main/data/icons/dino-account-plus-symbolic.svg
deleted file mode 100644
index cf743afa..00000000
--- a/main/data/icons/dino-account-plus-symbolic.svg
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/main/data/icons/dino-conversation-list-placeholder-arrow.svg b/main/data/icons/dino-conversation-list-placeholder-arrow.svg
deleted file mode 100644
index 1de38347..00000000
--- a/main/data/icons/dino-conversation-list-placeholder-arrow.svg
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg width="14.423mm" height="25.742mm" version="1.1" viewBox="0 0 14.422716 25.741774" xmlns="http://www.w3.org/2000/svg">
-  <defs>
-    <marker id="a" overflow="visible" orient="auto">
-      <path transform="scale(.6)" d="m8.7186 4.0337-10.926-4.0177 10.926-4.0177c-1.7455 2.3721-1.7354 5.6175-6e-7 8.0354z" fill-rule="evenodd" stroke="#000" stroke-linejoin="round" stroke-width=".625"/>
-    </marker>
-  </defs>
-  <g transform="translate(-76.236 -40.41)">
-    <path d="m77.066 41.011c1.1174 11.205 6.3598 21.407 13.389 24.939" fill="none" marker-start="url(#a)" stroke="#000" stroke-linecap="round" stroke-width=".4"/>
-  </g>
-</svg>
diff --git a/main/data/icons/dino-party-popper-symbolic.svg b/main/data/icons/dino-party-popper-symbolic.svg
deleted file mode 100644
index 084d6f1b..00000000
--- a/main/data/icons/dino-party-popper-symbolic.svg
+++ /dev/null
@@ -1,29 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg version="1.1" viewBox="0 0 128 128" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <path d="m34.139 52.305c-2.3304-0.11119-4.1522 0.452-5.3574 1.6562-0.40199 0.38434-0.9571 1.1617-1.2525 2.0357l-22.228 61.974c-1.29 3.58 2.1698 7.0398 5.7598 5.7598l59.266-21.23c2.3204 0.10655 4.1346-0.45724 5.3359-1.6582 4.9723-4.9769-1.4894-19.503-14.434-32.447-9.4181-9.4182-20.088-15.756-27.09-16.09z" style="fill-rule:evenodd;opacity:.9"/>
-    <defs>
-        <path id="b" d="m27.98 54.66 46.39 46.39-63.31 22.68c-3.59 1.28-7.05-2.18-5.76-5.76z"/>
-    </defs>
-    <clipPath id="a">
-        <use width="100%" height="100%" xlink:href="#b"/>
-    </clipPath>
-    <g clip-path="url(#a)">
-        <path d="m39.4 123.94c-8.46-1.78-16.1-3.92-23.29-8.95-6.74-4.71-13.66-11.78-16.33-19.71-2.08-6.18-11.36-1.8-7.97 3.36 5.52 8.4 11.16 15.77 19.73 21.31 7.8 5.05 17.82 8.93 27.23 8.69 2.59-0.07 3.36-4.12 0.63-4.7z"/>
-    </g>
-    <g clip-path="url(#a)">
-        <path d="m51.07 113.71c-8.46-1.78-16.1-3.92-23.29-8.95-6.74-4.71-13.66-11.78-16.33-19.71-2.08-6.18-11.36-1.8-7.97 3.36 5.52 8.4 11.16 15.77 19.73 21.31 7.8 5.05 17.82 8.93 27.23 8.69 2.6-0.07 3.36-4.13 0.63-4.7z"/>
-    </g>
-    <g clip-path="url(#a)">
-        <path d="m76.71 106.66c-12.95-2.49-24.54-5.73-35.55-13.37-10.36-7.19-20.33-17.69-24.86-29.64-2.27-5.98-11.16-2.02-7.97 3.36 7.39 12.46 16.01 23.17 28.23 31.23 11.23 7.41 25.85 13.37 39.52 13.12 2.59-0.05 3.37-4.17 0.63-4.7z"/>
-    </g>
-    <g>
-        <path d="m35.57 57.28c9.2175 1.8218 16.207 9.1337 21.496 14.423 13.01 13.01 17.945 23.085 14.474 25.007-8.0418 4.4531-19.213-8.8965-23.493-13.181-13.01-13.01-17.947-22.649-15.137-25.449m0.66-5.8c-2.01 0-3.64 0.54-4.78 1.68-4.97 4.97 1.49 19.5 14.43 32.45 9.98 9.98 20.91 16.11 27.66 16.11 2.01 0 3.64-0.54 4.78-1.68 4.97-4.97-1.49-19.5-14.43-32.45-9.98-9.98-20.9-16.11-27.66-16.11z"/>
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-    <polygon points="20.39 25.85 15.71 26.72 11.75 16.74 18.47 15.49"/>
-    <polygon points="52.22 5.16 56.65 4 61.17 13.31 54.8 14.98"/>
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-    <path d="m60.83 95.45c3.1-7.97 8.61-12.19 17.53-12.3 9.08-0.11 23.89 5.35 24.6 16.07 0-1.64 0-3.27 0.01-4.91-0.7 3.91-4.75 5.54-8.42 4.7-3.9-0.89-6.46-4.17-6.96-8.02 0 1.64 0 3.27 0.01 4.91 0.41-8.89 9.96-11.79 17.47-11.68 7.84 0.12 13.44 5.39 17.73 11.45-0.77-1.09 0.8-3.87 0-5-4.51-6.36-10.34-11.61-18.57-11.46-6.69 0.13-15.43 2.68-16.58 10.35-0.39 2.62-0.48 6.55 0.51 9.02 2.03 5.09 12.11 8.84 14.58 1.99 3.56-9.87-6.38-18.08-14.62-20.79-6.16-2.02-13.22-2.44-19.21 0.42-4.45 2.13-6.38 5.85-8.09 10.24-0.56 1.47 0.56 3.58 0.01 5.01z"/>
-    <path d="m71.16 65.22c3.5 1.86 7.48 4.44 11.45 2.32 2.29-1.23 3.47-3.57 4.44-5.87 2.22-5.25 3.25-8.25 9.34-5.45 3.58 1.64 11.87 7.07 13.38 0.12 0.78-3.61-0.5-7.45-0.69-11 0 1.64 0 3.27-0.01 4.91 0.91-6.28 10.05-4.1 13.91-2.43-0.58-0.25 0.64-4.72 0-5-4.17-1.81-13.12-3.8-13.92 2.77-0.4 3.29 0.42 6.5 0.76 9.73 0-1.64 0-3.27-0.01-4.91-0.56 11.37-15.22-3.27-19.74 0.15-2.51 1.9-2.8 6.55-4.49 9.09-3.8 5.73-9.4 3.26-14.43 0.58 0.67 0.34-0.71 4.61 0.01 4.99z"/>
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-    <path d="m43.73 80.2c5.3 2.27 12.95-2.87 14.41-7.96 0.73-2.53 0.78-6.18 0.44-8.8-0.48-3.71-3.58-6.08-4.94-9.42-1.09-2.68-0.45-4.97 1.1-7.86 2.5-4.65 13.7-11.7 15.52-2.67 0-1.55-0.01-3.11-0.01-4.66-0.04 2.86-1.76 5.08-4.8 4.49-2.96-0.57-4.25-3.27-4.64-5.96 0.01 1.42 0.01 2.85 0.02 4.27 0.16-12.17 13.35-16.69 23.37-17.33 0.14-0.01-0.07-5 0-5-12.76 0.81-23.41 6.79-23.41 20.56 0 3.68 1.02 9.04 5.96 8.56 4.04-0.39 3.64-5.1 3.54-8.1-0.14-4.15-2.95-7.01-7.49-5.9-5.2 1.28-8.7 6.36-9.73 11.35-0.55 2.66-0.48 5.59-0.35 8.3 0.26 5.77 4.96 9.01 5.86 14.36 0-1.64 0-3.27-0.01-4.91-0.3 4.27-1.71 7.38-5.45 9.87-2.54 1.69-6.42 3.07-9.4 1.79 0.58 0.26-0.63 4.75 0.01 5.02z"/>
-</svg>
diff --git a/main/data/icons/dino-qr-code-symbolic.svg b/main/data/icons/dino-qr-code-symbolic.svg
deleted file mode 100644
index 92394eca..00000000
--- a/main/data/icons/dino-qr-code-symbolic.svg
+++ /dev/null
@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg version="1.1" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg">
-  <path d="m0 8h2v2h-2v-2"/>
-  <path d="m8 0h2v4h-2v-4"/>
-  <path d="m12 8v2 2h2 2v-2h-2v-2h-2z"/>
-  <path d="m16 10h2v-2h-2z"/>
-  <path d="m12 0v6h6v-6h-6zm2 2h2v2h-2v-2z"/>
-  <path d="m0 0v6h6v-6h-6zm2 2h2v2h-2v-2z"/>
-  <path d="m0 12v6h6v-6h-6zm2 2h2v2h-2v-2z"/>
-  <path d="m8 6v2h-2-2v2h2 2 2v-2-2h-2z"/>
-  <path d="m8 12v2h2 2v-2h-2-2z"/>
-  <path d="m8 16h2v2h-2v-2"/>
-  <path d="m12 14v2 2h2 2v-2h-2v-2h-2z"/>
-  <path d="m16 14h2v2h-2v-2"/>
-</svg>
diff --git a/main/data/icons/scalable/actions/dino-account-plus-symbolic.svg b/main/data/icons/scalable/actions/dino-account-plus-symbolic.svg
new file mode 100644
index 00000000..cf743afa
--- /dev/null
+++ b/main/data/icons/scalable/actions/dino-account-plus-symbolic.svg
@@ -0,0 +1 @@
+<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24"><path d="M15,14C12.33,14 7,15.33 7,18V20H23V18C23,15.33 17.67,14 15,14M6,10V7H4V10H1V12H4V15H6V12H9V10M15,12A4,4 0 0,0 19,8A4,4 0 0,0 15,4A4,4 0 0,0 11,8A4,4 0 0,0 15,12Z" /></svg>
\ No newline at end of file
diff --git a/main/data/icons/scalable/status/dino-changes-allowed-symbolic.svg b/main/data/icons/scalable/status/dino-changes-allowed-symbolic.svg
deleted file mode 100644
index 46f4487c..00000000
--- a/main/data/icons/scalable/status/dino-changes-allowed-symbolic.svg
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<svg version="1.1" viewBox="0 0 16 12" xmlns="http://www.w3.org/2000/svg">
-  <g transform="translate(-154.64 -256.66)">
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-      <path d="m2 12h12v4h-12z" overflow="visible"/>
-    </g>
-  </g>
-</svg>
diff --git a/main/data/icons/scalable/status/dino-changes-prevent-symbolic.svg b/main/data/icons/scalable/status/dino-changes-prevent-symbolic.svg
deleted file mode 100644
index 56312122..00000000
--- a/main/data/icons/scalable/status/dino-changes-prevent-symbolic.svg
+++ /dev/null
@@ -1,67 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   width="16"
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-   id="svg7384"
-   height="12">
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-     id="metadata90">
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-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title>Gnome Symbolic Icon Theme</dc:title>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <title
-     id="title9167">Gnome Symbolic Icon Theme</title>
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-  <g
-     transform="translate(-181.0002,-241)"
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-    <path
-       style="color:#bebebe;display:inline;overflow:visible;visibility:visible;fill:#bebebe;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1.76307714;marker:none"
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-  <g
-     transform="translate(-181.0002,-241)"
-     style="display:inline"
-     id="layer15" />
-  <g
-     transform="translate(-181.0002,-241)"
-     style="display:inline"
-     id="g71291" />
-  <g
-     transform="translate(-181.0002,-241)"
-     style="display:inline"
-     id="g4953" />
-  <g
-     transform="translate(-181.0002,-241)"
-     style="display:inline"
-     id="layer12" />
-</svg>
diff --git a/main/data/icons/scalable/ui/dino-conversation-list-placeholder-arrow.svg b/main/data/icons/scalable/ui/dino-conversation-list-placeholder-arrow.svg
new file mode 100644
index 00000000..1de38347
--- /dev/null
+++ b/main/data/icons/scalable/ui/dino-conversation-list-placeholder-arrow.svg
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="14.423mm" height="25.742mm" version="1.1" viewBox="0 0 14.422716 25.741774" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <marker id="a" overflow="visible" orient="auto">
+      <path transform="scale(.6)" d="m8.7186 4.0337-10.926-4.0177 10.926-4.0177c-1.7455 2.3721-1.7354 5.6175-6e-7 8.0354z" fill-rule="evenodd" stroke="#000" stroke-linejoin="round" stroke-width=".625"/>
+    </marker>
+  </defs>
+  <g transform="translate(-76.236 -40.41)">
+    <path d="m77.066 41.011c1.1174 11.205 6.3598 21.407 13.389 24.939" fill="none" marker-start="url(#a)" stroke="#000" stroke-linecap="round" stroke-width=".4"/>
+  </g>
+</svg>
diff --git a/main/data/icons/scalable/ui/dino-party-popper-symbolic.svg b/main/data/icons/scalable/ui/dino-party-popper-symbolic.svg
new file mode 100644
index 00000000..084d6f1b
--- /dev/null
+++ b/main/data/icons/scalable/ui/dino-party-popper-symbolic.svg
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg version="1.1" viewBox="0 0 128 128" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+    <path d="m34.139 52.305c-2.3304-0.11119-4.1522 0.452-5.3574 1.6562-0.40199 0.38434-0.9571 1.1617-1.2525 2.0357l-22.228 61.974c-1.29 3.58 2.1698 7.0398 5.7598 5.7598l59.266-21.23c2.3204 0.10655 4.1346-0.45724 5.3359-1.6582 4.9723-4.9769-1.4894-19.503-14.434-32.447-9.4181-9.4182-20.088-15.756-27.09-16.09z" style="fill-rule:evenodd;opacity:.9"/>
+    <defs>
+        <path id="b" d="m27.98 54.66 46.39 46.39-63.31 22.68c-3.59 1.28-7.05-2.18-5.76-5.76z"/>
+    </defs>
+    <clipPath id="a">
+        <use width="100%" height="100%" xlink:href="#b"/>
+    </clipPath>
+    <g clip-path="url(#a)">
+        <path d="m39.4 123.94c-8.46-1.78-16.1-3.92-23.29-8.95-6.74-4.71-13.66-11.78-16.33-19.71-2.08-6.18-11.36-1.8-7.97 3.36 5.52 8.4 11.16 15.77 19.73 21.31 7.8 5.05 17.82 8.93 27.23 8.69 2.59-0.07 3.36-4.12 0.63-4.7z"/>
+    </g>
+    <g clip-path="url(#a)">
+        <path d="m51.07 113.71c-8.46-1.78-16.1-3.92-23.29-8.95-6.74-4.71-13.66-11.78-16.33-19.71-2.08-6.18-11.36-1.8-7.97 3.36 5.52 8.4 11.16 15.77 19.73 21.31 7.8 5.05 17.82 8.93 27.23 8.69 2.6-0.07 3.36-4.13 0.63-4.7z"/>
+    </g>
+    <g clip-path="url(#a)">
+        <path d="m76.71 106.66c-12.95-2.49-24.54-5.73-35.55-13.37-10.36-7.19-20.33-17.69-24.86-29.64-2.27-5.98-11.16-2.02-7.97 3.36 7.39 12.46 16.01 23.17 28.23 31.23 11.23 7.41 25.85 13.37 39.52 13.12 2.59-0.05 3.37-4.17 0.63-4.7z"/>
+    </g>
+    <g>
+        <path d="m35.57 57.28c9.2175 1.8218 16.207 9.1337 21.496 14.423 13.01 13.01 17.945 23.085 14.474 25.007-8.0418 4.4531-19.213-8.8965-23.493-13.181-13.01-13.01-17.947-22.649-15.137-25.449m0.66-5.8c-2.01 0-3.64 0.54-4.78 1.68-4.97 4.97 1.49 19.5 14.43 32.45 9.98 9.98 20.91 16.11 27.66 16.11 2.01 0 3.64-0.54 4.78-1.68 4.97-4.97-1.49-19.5-14.43-32.45-9.98-9.98-20.9-16.11-27.66-16.11z"/>
+    </g>
+    <polygon points="20.39 25.85 15.71 26.72 11.75 16.74 18.47 15.49"/>
+    <polygon points="52.22 5.16 56.65 4 61.17 13.31 54.8 14.98"/>
+    <polygon points="108.97 18.61 111.86 22.73 104 30.92 99.85 25"/>
+    <path d="m60.83 95.45c3.1-7.97 8.61-12.19 17.53-12.3 9.08-0.11 23.89 5.35 24.6 16.07 0-1.64 0-3.27 0.01-4.91-0.7 3.91-4.75 5.54-8.42 4.7-3.9-0.89-6.46-4.17-6.96-8.02 0 1.64 0 3.27 0.01 4.91 0.41-8.89 9.96-11.79 17.47-11.68 7.84 0.12 13.44 5.39 17.73 11.45-0.77-1.09 0.8-3.87 0-5-4.51-6.36-10.34-11.61-18.57-11.46-6.69 0.13-15.43 2.68-16.58 10.35-0.39 2.62-0.48 6.55 0.51 9.02 2.03 5.09 12.11 8.84 14.58 1.99 3.56-9.87-6.38-18.08-14.62-20.79-6.16-2.02-13.22-2.44-19.21 0.42-4.45 2.13-6.38 5.85-8.09 10.24-0.56 1.47 0.56 3.58 0.01 5.01z"/>
+    <path d="m71.16 65.22c3.5 1.86 7.48 4.44 11.45 2.32 2.29-1.23 3.47-3.57 4.44-5.87 2.22-5.25 3.25-8.25 9.34-5.45 3.58 1.64 11.87 7.07 13.38 0.12 0.78-3.61-0.5-7.45-0.69-11 0 1.64 0 3.27-0.01 4.91 0.91-6.28 10.05-4.1 13.91-2.43-0.58-0.25 0.64-4.72 0-5-4.17-1.81-13.12-3.8-13.92 2.77-0.4 3.29 0.42 6.5 0.76 9.73 0-1.64 0-3.27-0.01-4.91-0.56 11.37-15.22-3.27-19.74 0.15-2.51 1.9-2.8 6.55-4.49 9.09-3.8 5.73-9.4 3.26-14.43 0.58 0.67 0.34-0.71 4.61 0.01 4.99z"/>
+    <path d="m34.79 63.81c6.64-0.72 8.01-7.46 6.97-13.04-1.49-8.01-13.26-8.73-14-16.54 0 1.64 0 3.27 0.01 4.91 0.24-4.21 3.5-7.19 6.93-9.13 3.18-1.79 4.95-3.96 5.37-7.81 0.59-5.5-1.21-9.32-6.26-12.17 0.69 0.39-0.74 4.58 0 5 2.52 1.42 5.95 4.07 6.26 7.17v-5c-1.12 6.35-4.44 6.26-8.53 9.91-3.08 2.75-3.8 5.76-3.8 9.62 0 3.69 0.89 6.05 3.99 8.44 4.28 3.29 9.11 5.33 10.13 11.23 0-1.64 0-3.27-0.01-4.91-0.19 4.14-3.06 6.89-7.07 7.32-0.21 0.02 0.15 4.98 0.01 5z"/>
+    <path d="m43.73 80.2c5.3 2.27 12.95-2.87 14.41-7.96 0.73-2.53 0.78-6.18 0.44-8.8-0.48-3.71-3.58-6.08-4.94-9.42-1.09-2.68-0.45-4.97 1.1-7.86 2.5-4.65 13.7-11.7 15.52-2.67 0-1.55-0.01-3.11-0.01-4.66-0.04 2.86-1.76 5.08-4.8 4.49-2.96-0.57-4.25-3.27-4.64-5.96 0.01 1.42 0.01 2.85 0.02 4.27 0.16-12.17 13.35-16.69 23.37-17.33 0.14-0.01-0.07-5 0-5-12.76 0.81-23.41 6.79-23.41 20.56 0 3.68 1.02 9.04 5.96 8.56 4.04-0.39 3.64-5.1 3.54-8.1-0.14-4.15-2.95-7.01-7.49-5.9-5.2 1.28-8.7 6.36-9.73 11.35-0.55 2.66-0.48 5.59-0.35 8.3 0.26 5.77 4.96 9.01 5.86 14.36 0-1.64 0-3.27-0.01-4.91-0.3 4.27-1.71 7.38-5.45 9.87-2.54 1.69-6.42 3.07-9.4 1.79 0.58 0.26-0.63 4.75 0.01 5.02z"/>
+</svg>
diff --git a/main/data/icons/scalable/ui/dino-qr-code-symbolic.svg b/main/data/icons/scalable/ui/dino-qr-code-symbolic.svg
new file mode 100644
index 00000000..92394eca
--- /dev/null
+++ b/main/data/icons/scalable/ui/dino-qr-code-symbolic.svg
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg version="1.1" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg">
+  <path d="m0 8h2v2h-2v-2"/>
+  <path d="m8 0h2v4h-2v-4"/>
+  <path d="m12 8v2 2h2 2v-2h-2v-2h-2z"/>
+  <path d="m16 10h2v-2h-2z"/>
+  <path d="m12 0v6h6v-6h-6zm2 2h2v2h-2v-2z"/>
+  <path d="m0 0v6h6v-6h-6zm2 2h2v2h-2v-2z"/>
+  <path d="m0 12v6h6v-6h-6zm2 2h2v2h-2v-2z"/>
+  <path d="m8 6v2h-2-2v2h2 2 2v-2-2h-2z"/>
+  <path d="m8 12v2h2 2v-2h-2-2z"/>
+  <path d="m8 16h2v2h-2v-2"/>
+  <path d="m12 14v2 2h2 2v-2h-2v-2h-2z"/>
+  <path d="m16 14h2v2h-2v-2"/>
+</svg>
diff --git a/main/data/manage_accounts/account_row.ui b/main/data/manage_accounts/account_row.ui
index 6cacbeaf..845010a2 100644
--- a/main/data/manage_accounts/account_row.ui
+++ b/main/data/manage_accounts/account_row.ui
@@ -2,7 +2,6 @@
 <interface>
     <requires lib="gtk" version="4.0"/>
     <template class="DinoUiManageAccountsAccountRow">
-        <property name="visible">True</property>
         <child>
             <object class="GtkGrid">
                 <property name="margin-start">6</property>
diff --git a/main/data/manage_accounts/dialog.ui b/main/data/manage_accounts/dialog.ui
index 9077c69e..90a36b83 100644
--- a/main/data/manage_accounts/dialog.ui
+++ b/main/data/manage_accounts/dialog.ui
@@ -11,7 +11,6 @@
         </child>
         <child internal-child="content_area">
         <object class="GtkBox">
-            <property name="visible">True</property>
             <child>
             <object class="GtkStack" id="main_stack">
                 <child>
diff --git a/main/data/menu_add.ui b/main/data/menu_add.ui
index fdf01352..c984e081 100644
--- a/main/data/menu_add.ui
+++ b/main/data/menu_add.ui
@@ -6,8 +6,6 @@
                 <attribute name="action">app.add_chat</attribute>
                 <attribute name="label" translatable="yes">Start Conversation</attribute>
             </item>
-        </section>
-        <section>
             <item>
                 <attribute name="action">app.add_conference</attribute>
                 <attribute name="label" translatable="yes">Join Channel</attribute>
diff --git a/main/data/search_autocomplete.ui b/main/data/search_autocomplete.ui
index 5146ac5a..a63bdce9 100644
--- a/main/data/search_autocomplete.ui
+++ b/main/data/search_autocomplete.ui
@@ -2,7 +2,6 @@
 <interface>
     <object class="GtkBox" id="root">
         <property name="orientation">horizontal</property>
-        <property name="visible">True</property>
         <child>
             <object class="DinoUiAvatarImage" id="image">
                 <property name="margin-top">4</property>
diff --git a/main/data/shortcuts.ui b/main/data/shortcuts.ui
index 0b0732a9..30b5ab83 100644
--- a/main/data/shortcuts.ui
+++ b/main/data/shortcuts.ui
@@ -4,22 +4,18 @@
         <property name="modal">True</property>
         <child>
             <object class="GtkShortcutsSection">
-                <property name="visible">True</property>
                 <property name="section-name">shortcuts</property>
                 <child>
                     <object class="GtkShortcutsGroup">
-                        <property name="visible">True</property>
                         <property name="title" translatable="yes">General</property>
                         <child>
                             <object class="GtkShortcutsShortcut">
-                                <property name="visible">True</property>
                                 <property name="accelerator">&lt;ctrl&gt;T</property>
                                 <property name="title" translatable="yes">Start Conversation</property>
                             </object>
                         </child>
                         <child>
                             <object class="GtkShortcutsShortcut">
-                                <property name="visible">True</property>
                                 <property name="accelerator">&lt;ctrl&gt;G</property>
                                 <property name="title" translatable="yes">Join Channel</property>
                             </object>
@@ -28,18 +24,15 @@
                 </child>
                 <child>
                     <object class="GtkShortcutsGroup">
-                        <property name="visible">True</property>
                         <property name="title" translatable="yes">Conversation</property>
                         <child>
                             <object class="GtkShortcutsShortcut">
-                                <property name="visible">True</property>
                                 <property name="accelerator">&lt;ctrl&gt;F</property>
                                 <property name="title" translatable="yes">Search messages</property>
                             </object>
                         </child>
                         <child>
                             <object class="GtkShortcutsShortcut">
-                                <property name="visible">True</property>
                                 <property name="accelerator">&lt;ctrl&gt;U</property>
                                 <property name="title" translatable="yes">Send a file</property>
                             </object>
@@ -48,18 +41,15 @@
                 </child>
                 <child>
                     <object class="GtkShortcutsGroup">
-                        <property name="visible">True</property>
                         <property name="title" translatable="yes">Navigation</property>
                         <child>
                             <object class="GtkShortcutsShortcut">
-                                <property name="visible">True</property>
                                 <property name="accelerator">&lt;ctrl&gt;Tab</property>
                                 <property name="title" translatable="yes">Jump to next conversation</property>
                             </object>
                         </child>
                         <child>
                             <object class="GtkShortcutsShortcut">
-                                <property name="visible">True</property>
                                 <property name="accelerator">&lt;ctrl&gt;&lt;Shift&gt;Tab</property>
                                 <property name="title" translatable="yes">Jump to previous conversation</property>
                             </object>
diff --git a/main/data/theme.css b/main/data/theme.css
index 3bdbb19f..78d8862f 100644
--- a/main/data/theme.css
+++ b/main/data/theme.css
@@ -60,7 +60,7 @@ window.dino-main .unread-count-notify {
     color: @theme_base_color;
     font-family: monospace;
     border-radius: 999em;
-    padding: .2em .41em;
+    padding: 0 .35em;
 }
 
 window.dino-main .unread-count-notify:backdrop {
@@ -310,7 +310,7 @@ box.dino-input-error label.input-status-highlight-once {
     background: rgba(255,255,255,0.25);
 }
 
-.dino-call-window button.call-mediadevice-settings-button {
+.dino-call-window menubutton.call-mediadevice-settings-button button.toggle {
     border-radius: 1000px;
     min-height: 0;
     min-width: 0;
@@ -319,8 +319,8 @@ box.dino-input-error label.input-status-highlight-once {
     transition-duration: 0;
 }
 
-.dino-call-window button.call-mediadevice-settings-button:hover,
-.dino-call-window button.call-mediadevice-settings-button:checked { /* Effect that makes the button slightly larger on hover :) */
+.dino-call-window menubutton.call-mediadevice-settings-button button.toggle:hover,
+.dino-call-window menubutton.call-mediadevice-settings-button button.toggle:checked { /* Effect that makes the button slightly larger on hover :) */
     border-radius: 1000px;
     min-height: 0;
     min-width: 0;
@@ -328,7 +328,7 @@ box.dino-input-error label.input-status-highlight-once {
     margin: 0;
 }
 
-.dino-call-window .participant-header-bar {
+.dino-call-window .participant-header-bar .titles {
     background: none;
     border: none;
     border-radius: 0;
diff --git a/main/data/unified_window_placeholder.ui b/main/data/unified_window_placeholder.ui
index 32fcd819..997d7220 100644
--- a/main/data/unified_window_placeholder.ui
+++ b/main/data/unified_window_placeholder.ui
@@ -3,7 +3,6 @@
     <requires lib="gtk" version="4.0"/>
     <template class="DinoUiMainWindowPlaceholder">
         <property name="valign">center</property>
-        <property name="visible">True</property>
         <child>
             <object class="GtkBox" id="box">
                 <property name="orientation">vertical</property>
diff --git a/main/src/ui/add_conversation/add_conference_dialog.vala b/main/src/ui/add_conversation/add_conference_dialog.vala
index e078bc62..4b7364c7 100644
--- a/main/src/ui/add_conversation/add_conference_dialog.vala
+++ b/main/src/ui/add_conversation/add_conference_dialog.vala
@@ -10,7 +10,7 @@ namespace Dino.Ui {
 public class AddConferenceDialog : Gtk.Dialog {
 
     private Stack stack = new Stack();
-    private Button cancel_button = new Button() { visible=true };
+    private Button cancel_button = new Button();
     private Button ok_button;
 
     private SelectJidFragment select_fragment;
@@ -70,12 +70,12 @@ public class AddConferenceDialog : Gtk.Dialog {
 
         stack.transition_type = StackTransitionType.SLIDE_LEFT;
         stack.set_visible_child_name("details");
-//        animate_window_resize();
+        animate_window_resize(details_fragment);
     }
 
     private void setup_headerbar() {
-        ok_button = new Button() { can_focus=true, visible=true };
-        ok_button.get_style_context().add_class("suggested-action");
+        ok_button = new Button() { can_focus=true };
+        ok_button.add_css_class("suggested-action");
 
         if (Util.use_csd()) {
             HeaderBar header_bar = get_header_bar() as HeaderBar;
@@ -104,18 +104,18 @@ public class AddConferenceDialog : Gtk.Dialog {
             stream_interactor.get_module(MucManager.IDENTITY).remove_bookmark(conference_row.account, conference_row.bookmark);
         });
 
-        Box wrap_box = new Box(Orientation.VERTICAL, 0) { visible=true };
+        Box wrap_box = new Box(Orientation.VERTICAL, 0);
         wrap_box.append(select_fragment);
         stack.add_named(wrap_box, "select");
 
         if (!Util.use_csd()) {
-            Box box = new Box(Orientation.HORIZONTAL, 5) { halign=Align.END, margin_bottom=15, margin_start=80, margin_end=80, visible=true };
+            Box box = new Box(Orientation.HORIZONTAL, 5) { halign=Align.END, margin_bottom=15, margin_start=80, margin_end=80 };
 
-            Button ok_button = new Button.with_label(_("Next")) { sensitive=false, halign = Align.END, can_focus=true, visible=true };
-            ok_button.get_style_context().add_class("suggested-action");
+            Button ok_button = new Button.with_label(_("Next")) { sensitive=false, halign = Align.END, can_focus=true };
+            ok_button.add_css_class("suggested-action");
             ok_button.clicked.connect(on_next_button_clicked);
             select_fragment.notify["done"].connect(() => { ok_button.sensitive = select_fragment.done; });
-            Button cancel_button = new Button.with_label(_("Cancel")) { halign=Align.START, visible=true };
+            Button cancel_button = new Button.with_label(_("Cancel")) { halign=Align.START };
             cancel_button.clicked.connect(on_cancel);
             box.append(cancel_button);
             box.append(ok_button);
@@ -129,18 +129,18 @@ public class AddConferenceDialog : Gtk.Dialog {
         details_fragment = new ConferenceDetailsFragment(stream_interactor) { ok_button=ok_button };
         details_fragment.joined.connect(() => this.close());
 
-        Box wrap_box = new Box(Orientation.VERTICAL, 0) { visible=true };
+        Box wrap_box = new Box(Orientation.VERTICAL, 0);
         wrap_box.append(details_fragment);
 
         if (!Util.use_csd()) {
-            Box box = new Box(Orientation.HORIZONTAL, 5) { halign=Align.END, margin_bottom=15, margin_start=80, margin_end=80, visible=true };
+            Box box = new Box(Orientation.HORIZONTAL, 5) { halign=Align.END, margin_bottom=15, margin_start=80, margin_end=80 };
 
-            Button ok_button = new Button.with_label(_("Join")) { halign = Align.END, can_focus=true, visible=true };
-            ok_button.get_style_context().add_class("suggested-action");
+            Button ok_button = new Button.with_label(_("Join")) { halign = Align.END, can_focus=true };
+            ok_button.add_css_class("suggested-action");
             details_fragment.notify["done"].connect(() => { ok_button.sensitive = select_fragment.done; });
             details_fragment.ok_button = ok_button;
 
-            Button cancel_button = new Button.with_label(_("Back")) { halign=Align.START, visible=true };
+            Button cancel_button = new Button.with_label(_("Back")) { halign=Align.START };
             cancel_button.clicked.connect(show_jid_add_view);
             box.append(cancel_button);
             box.append(ok_button);
@@ -180,23 +180,20 @@ public class AddConferenceDialog : Gtk.Dialog {
         close();
     }
 
-    private void animate_window_resize() {
+    private void animate_window_resize(Widget widget) {
         int curr_height = get_size(Orientation.VERTICAL);
-        int curr_width = get_size(Orientation.HORIZONTAL);
-        var natural_size = new Requisition();
-        stack.get_preferred_size(null, out natural_size);
+        var natural_size = Requisition();
+        widget.get_preferred_size(null, out natural_size);
         int difference = natural_size.height - curr_height;
         Timer timer = new Timer();
-        Timeout.add((int) (stack.transition_duration / 30),
-            () => {
-                ulong microsec;
-                timer.elapsed(out microsec);
-                ulong millisec = microsec / 1000;
-                double partial = double.min(1, (double) millisec / stack.transition_duration);
-                var a = this.list_toplevels().nth_data(0);
-                set_size_request(curr_width, (int) (curr_height + difference * partial));
-                return millisec < stack.transition_duration;
-            });
+        Timeout.add((int) (stack.transition_duration / 30), () => {
+            ulong microsec;
+            timer.elapsed(out microsec);
+            ulong millisec = microsec / 1000;
+            double partial = double.min(1, (double) millisec / stack.transition_duration);
+            default_height = (int) (curr_height + difference * partial);
+            return millisec < stack.transition_duration;
+        });
     }
 }
 
diff --git a/main/src/ui/add_conversation/add_groupchat_dialog.vala b/main/src/ui/add_conversation/add_groupchat_dialog.vala
index 786c1a0b..a94b8c86 100644
--- a/main/src/ui/add_conversation/add_groupchat_dialog.vala
+++ b/main/src/ui/add_conversation/add_groupchat_dialog.vala
@@ -24,7 +24,7 @@ protected class AddGroupchatDialog : Gtk.Dialog {
         Object(use_header_bar : 1);
         this.stream_interactor = stream_interactor;
         ok_button.label = _("Add");
-        ok_button.get_style_context().add_class("suggested-action"); // TODO why doesn't it work in XML
+        ok_button.add_css_class("suggested-action"); // TODO why doesn't it work in XML
         accounts_stack.set_visible_child_name("combobox");
         account_combobox.initialize(stream_interactor);
 
diff --git a/main/src/ui/add_conversation/conference_list.vala b/main/src/ui/add_conversation/conference_list.vala
index a19630e4..181c6219 100644
--- a/main/src/ui/add_conversation/conference_list.vala
+++ b/main/src/ui/add_conversation/conference_list.vala
@@ -20,10 +20,6 @@ protected class ConferenceList {
     public ConferenceList(StreamInteractor stream_interactor) {
         this.stream_interactor = stream_interactor;
 
-//        list_box.set_filter_func(filter);
-        list_box.set_header_func(header);
-//        list_box.set_sort_func(sort);
-
         stream_interactor.get_module(MucManager.IDENTITY).bookmarks_updated.connect((account, conferences) => {
             lists[account] = conferences;
             refresh_conferences();
@@ -57,7 +53,12 @@ protected class ConferenceList {
     }
 
     public void refresh_conferences() {
-//        @foreach((widget) => { remove(widget); });
+        foreach (Account account in widgets.keys) {
+            foreach (Jid jid in widgets[account].keys) {
+                remove_conference(account, jid);
+            }
+        }
+
         foreach (Account account in lists.keys) {
             foreach (Conference conference in lists[account]) {
                 add_conference(account, conference);
@@ -74,12 +75,6 @@ protected class ConferenceList {
         refresh_conferences();
     }
 
-    private void header(ListBoxRow row, ListBoxRow? before_row) {
-        if (row.get_header() == null && before_row != null) {
-            row.set_header(new Separator(Orientation.HORIZONTAL));
-        }
-    }
-
     public ListBox get_list_box() {
         return list_box;
     }
diff --git a/main/src/ui/add_conversation/list_row.vala b/main/src/ui/add_conversation/list_row.vala
index 326dba98..a25ecbd3 100644
--- a/main/src/ui/add_conversation/list_row.vala
+++ b/main/src/ui/add_conversation/list_row.vala
@@ -24,7 +24,7 @@ public class ListRow : Widget {
         via_label = (Label) builder.get_object("via_label");
 
         this.layout_manager = new BinLayout();
-        outer_grid.insert_after(this, null);
+        outer_grid.set_parent(this);
     }
 
     public ListRow() {}
@@ -47,6 +47,10 @@ public class ListRow : Widget {
         name_label.label = display_name;
         image.set_conversation(stream_interactor, conv);
     }
+
+    public override void dispose() {
+        outer_grid.unparent();
+    }
 }
 
 }
diff --git a/main/src/ui/add_conversation/roster_list.vala b/main/src/ui/add_conversation/roster_list.vala
index a89d24e8..25827d67 100644
--- a/main/src/ui/add_conversation/roster_list.vala
+++ b/main/src/ui/add_conversation/roster_list.vala
@@ -20,10 +20,6 @@ protected class RosterList {
         this.stream_interactor = stream_interactor;
         this.accounts = accounts;
 
-//        set_filter_func(filter);
-        list_box.set_header_func(header);
-//        set_sort_func(sort);
-
         handler_ids += stream_interactor.get_module(RosterManager.IDENTITY).removed_roster_item.connect( (account, jid, roster_item) => {
             if (accounts.contains(account)) {
                 on_removed_roster_item(account, jid, roster_item);
@@ -64,12 +60,6 @@ protected class RosterList {
         }
     }
 
-    private void header(ListBoxRow row, ListBoxRow? before_row) {
-        if (row.get_header() == null && before_row != null) {
-            row.set_header(new Separator(Orientation.HORIZONTAL));
-        }
-    }
-
     public ListBox get_list_box() {
         return list_box;
     }
diff --git a/main/src/ui/add_conversation/select_contact_dialog.vala b/main/src/ui/add_conversation/select_contact_dialog.vala
index 4bf5b193..09ac1636 100644
--- a/main/src/ui/add_conversation/select_contact_dialog.vala
+++ b/main/src/ui/add_conversation/select_contact_dialog.vala
@@ -40,7 +40,7 @@ public class SelectContactDialog : Gtk.Dialog {
         cancel_button.visible = true;
 
         ok_button = new Button();
-        ok_button.get_style_context().add_class("suggested-action");
+        ok_button.add_css_class("suggested-action");
         ok_button.sensitive = false;
         ok_button.visible = true;
 
@@ -51,7 +51,7 @@ public class SelectContactDialog : Gtk.Dialog {
             header_bar.pack_start(cancel_button);
             header_bar.pack_end(ok_button);
         } else {
-            Box box = new Box(Orientation.HORIZONTAL, 5) { halign=Align.END, margin_bottom=15, margin_start=80, margin_end=80, visible=true };
+            Box box = new Box(Orientation.HORIZONTAL, 5) { halign=Align.END, margin_bottom=15, margin_start=80, margin_end=80 };
 
             cancel_button.halign = Align.START;
             ok_button.halign = Align.END;
diff --git a/main/src/ui/add_conversation/select_jid_fragment.vala b/main/src/ui/add_conversation/select_jid_fragment.vala
index 58f019c1..a6cf0864 100644
--- a/main/src/ui/add_conversation/select_jid_fragment.vala
+++ b/main/src/ui/add_conversation/select_jid_fragment.vala
@@ -23,7 +23,7 @@ public class SelectJidFragment : Gtk.Box {
 
     private StreamInteractor stream_interactor;
     private Gee.List<Account> accounts;
-    private ArrayList<AddListRow> added_rows = new ArrayList<AddListRow>();
+    private ArrayList<Widget> added_rows = new ArrayList<Widget>();
 
     private ListBox list;
     private string[]? filter_values;
@@ -39,6 +39,7 @@ public class SelectJidFragment : Gtk.Box {
 
         list.set_sort_func(sort);
         list.set_filter_func(filter);
+        list.set_header_func(header);
         list.row_selected.connect(check_buttons_active);
         list.row_selected.connect(() => { done = true; }); // just for notifying
         entry.changed.connect(() => { set_filter(entry.text); });
@@ -49,7 +50,7 @@ public class SelectJidFragment : Gtk.Box {
     public void set_filter(string str) {
         if (entry.text != str) entry.text = str;
 
-        foreach (AddListRow row in added_rows) list.remove(row);
+        foreach (Widget row in added_rows) list.remove(row);
         added_rows.clear();
 
         filter_values = str == "" ? null : str.split(" ");
@@ -59,9 +60,10 @@ public class SelectJidFragment : Gtk.Box {
             Jid parsed_jid = new Jid(str);
             if (parsed_jid != null && parsed_jid.localpart != null) {
                 foreach (Account account in accounts) {
-                    AddListRow row = new AddListRow(stream_interactor, parsed_jid, account);
-                    list.append(row);
-                    added_rows.add(row);
+                    var list_row = new Gtk.ListBoxRow();
+                    list_row.set_child(new AddListRow(stream_interactor, parsed_jid, account));
+                    list.append(list_row);
+                    added_rows.add(list_row);
                 }
             }
         } catch (InvalidJidError ignored) {
@@ -108,6 +110,12 @@ public class SelectJidFragment : Gtk.Box {
         return true;
     }
 
+    private void header(ListBoxRow row, ListBoxRow? before_row) {
+        if (row.get_header() == null && before_row != null) {
+            row.set_header(new Separator(Orientation.HORIZONTAL));
+        }
+    }
+
     private class AddListRow : ListRow {
 
         public AddListRow(StreamInteractor stream_interactor, Jid jid, Account account) {
diff --git a/main/src/ui/application.vala b/main/src/ui/application.vala
index f83e403b..2167145b 100644
--- a/main/src/ui/application.vala
+++ b/main/src/ui/application.vala
@@ -203,11 +203,6 @@ public class Dino.Ui.Application : Gtk.Application, Dino.Application {
             Builder builder = new Builder.from_resource("/im/dino/Dino/shortcuts.ui");
             ShortcutsWindow dialog = (ShortcutsWindow) builder.get_object("shortcuts-window");
             if (!use_csd()) {
-                // Hack to prevent CRITICAL in Gtk when trying to destroy non-existant headerbar
-                Widget shortcuts_hack = dialog.get_titlebar();
-//                dialog.destroy.connect_after(() => {
-//                    shortcuts_hack = null;
-//                });
                 dialog.set_titlebar(null);
             }
             dialog.title = _("Keyboard Shortcuts");
@@ -292,12 +287,6 @@ public class Dino.Ui.Application : Gtk.Application, Dino.Application {
         dialog.copyright = "Copyright © 2016-2022 - Dino Team";
         dialog.license_type = License.GPL_3_0;
 
-//        dialog.response.connect((response_id) => {
-//            if (response_id == Gtk.ResponseType.CANCEL || response_id == Gtk.ResponseType.DELETE_EVENT) {
-//                dialog.destroy();
-//            }
-//        });
-
         if (!use_csd()) {
             dialog.set_titlebar(null);
         }
@@ -308,7 +297,7 @@ public class Dino.Ui.Application : Gtk.Application, Dino.Application {
         Dialog dialog = new Dialog.with_buttons(_("Join Channel"), window, Gtk.DialogFlags.MODAL | Gtk.DialogFlags.USE_HEADER_BAR, _("Join"), ResponseType.OK, _("Cancel"), ResponseType.CANCEL);
         dialog.modal = true;
         Button ok_button = dialog.get_widget_for_response(ResponseType.OK) as Button;
-        ok_button.get_style_context().add_class("suggested-action");
+        ok_button.add_css_class("suggested-action");
         ConferenceDetailsFragment conference_fragment = new ConferenceDetailsFragment(stream_interactor) { ok_button=ok_button };
         conference_fragment.jid = jid;
         if (account != null)  {
diff --git a/main/src/ui/avatar_image.vala b/main/src/ui/avatar_image.vala
index a304f5a2..f348dd4b 100644
--- a/main/src/ui/avatar_image.vala
+++ b/main/src/ui/avatar_image.vala
@@ -24,7 +24,7 @@ public class AvatarImage : Widget {
 
     public AvatarImage() {
         can_focus = false;
-        get_style_context().add_class("avatar");
+        add_css_class("avatar");
     }
 
     public override void dispose() {
@@ -51,7 +51,6 @@ public class AvatarImage : Widget {
     }
 
     public bool draw(Cairo.Context ctx_in) {
-        if (conversation == null || jids == null) return false;
         Cairo.Context ctx = ctx_in;
         int width = this.width, height = this.height, base_factor = 1;
         if (use_image_surface == -1) {
diff --git a/main/src/ui/call_window/audio_settings_popover.vala b/main/src/ui/call_window/audio_settings_popover.vala
index f5af90ff..f66c5eee 100644
--- a/main/src/ui/call_window/audio_settings_popover.vala
+++ b/main/src/ui/call_window/audio_settings_popover.vala
@@ -14,7 +14,7 @@ public class Dino.Ui.AudioSettingsPopover : Gtk.Popover {
     private HashMap<ListBoxRow, Plugins.MediaDevice> row_speaker_device = new HashMap<ListBoxRow, Plugins.MediaDevice>();
 
     public AudioSettingsPopover() {
-        Box box = new Box(Orientation.VERTICAL, 15) { visible=true };
+        Box box = new Box(Orientation.VERTICAL, 15);
         box.append(create_microphone_box());
         box.append(create_speaker_box());
 
@@ -25,19 +25,19 @@ public class Dino.Ui.AudioSettingsPopover : Gtk.Popover {
         Plugins.VideoCallPlugin call_plugin = Dino.Application.get_default().plugin_registry.video_call_plugin;
         Gee.List<Plugins.MediaDevice> devices = call_plugin.get_devices("audio", false);
 
-        Box micro_box = new Box(Orientation.VERTICAL, 10) { visible=true };
-        micro_box.append(new Label("<b>" + _("Microphones") + "</b>") { use_markup=true, xalign=0, visible=true, can_focus=true /* grab initial focus*/ });
+        Box micro_box = new Box(Orientation.VERTICAL, 10);
+        micro_box.append(new Label("<b>" + _("Microphones") + "</b>") { use_markup=true, xalign=0, can_focus=true /* grab initial focus*/ });
 
         if (devices.size == 0) {
             micro_box.append(new Label(_("No microphone found.")));
         } else {
-            ListBox micro_list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE, visible=true };
+            ListBox micro_list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE };
             micro_list_box.set_header_func(listbox_header_func);
-            Frame micro_frame = new Frame(null) { visible=true };
+            Frame micro_frame = new Frame(null);
             micro_frame.set_child(micro_list_box);
             foreach (Plugins.MediaDevice device in devices) {
-                Label display_name_label = new Label(device.display_name) { xalign=0, visible=true };
-                Image image = new Image.from_icon_name("object-select-symbolic") { visible=true };
+                Label display_name_label = new Label(device.display_name) { xalign=0 };
+                Image image = new Image.from_icon_name("object-select-symbolic");
                 if (current_microphone_device == null || current_microphone_device.id != device.id) {
                     image.opacity = 0;
                 }
@@ -48,19 +48,19 @@ public class Dino.Ui.AudioSettingsPopover : Gtk.Popover {
                         image.opacity = 1;
                     }
                 });
-                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7, visible=true };
+                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7 };
                 device_box.append(image);
-                Box label_box = new Box(Orientation.VERTICAL, 0) { visible = true };
+                Box label_box = new Box(Orientation.VERTICAL, 0);
                 label_box.append(display_name_label);
                 if (device.detail_name != null) {
-                    Label detail_name_label = new Label(device.detail_name) { xalign=0, visible=true };
-                    detail_name_label.get_style_context().add_class("dim-label");
+                    Label detail_name_label = new Label(device.detail_name) { xalign=0 };
+                    detail_name_label.add_css_class("dim-label");
                     detail_name_label.attributes = new Pango.AttrList();
                     detail_name_label.attributes.insert(Pango.attr_scale_new(0.8));
                     label_box.append(detail_name_label);
                 }
                 device_box.append(label_box);
-                ListBoxRow list_box_row = new ListBoxRow() { visible=true };
+                ListBoxRow list_box_row = new ListBoxRow();
                 list_box_row.set_child(device_box);
                 micro_list_box.append(list_box_row);
 
@@ -81,22 +81,22 @@ public class Dino.Ui.AudioSettingsPopover : Gtk.Popover {
         Plugins.VideoCallPlugin call_plugin = Dino.Application.get_default().plugin_registry.video_call_plugin;
         Gee.List<Plugins.MediaDevice> devices = call_plugin.get_devices("audio", true);
 
-        Box speaker_box = new Box(Orientation.VERTICAL, 10) { visible=true };
-        speaker_box.append(new Label("<b>" + _("Speakers") +"</b>") { use_markup=true, xalign=0, visible=true });
+        Box speaker_box = new Box(Orientation.VERTICAL, 10);
+        speaker_box.append(new Label("<b>" + _("Speakers") +"</b>") { use_markup=true, xalign=0 });
 
         if (devices.size == 0) {
             speaker_box.append(new Label(_("No speaker found.")));
         } else {
-            ListBox speaker_list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE, visible=true };
+            ListBox speaker_list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE };
             speaker_list_box.set_header_func(listbox_header_func);
             speaker_list_box.row_selected.connect((row) => {
 
             });
-            Frame speaker_frame = new Frame(null) { visible=true };
+            Frame speaker_frame = new Frame(null);
             speaker_frame.set_child(speaker_list_box);
             foreach (Plugins.MediaDevice device in devices) {
-                Label display_name_label = new Label(device.display_name) { xalign=0, visible=true };
-                Image image = new Image.from_icon_name("object-select-symbolic") { visible=true };
+                Label display_name_label = new Label(device.display_name) { xalign=0 };
+                Image image = new Image.from_icon_name("object-select-symbolic");
                 if (current_speaker_device == null || current_speaker_device.id != device.id) {
                     image.opacity = 0;
                 }
@@ -107,19 +107,19 @@ public class Dino.Ui.AudioSettingsPopover : Gtk.Popover {
                         image.opacity = 1;
                     }
                 });
-                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7, visible=true };
+                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7 };
                 device_box.append(image);
                 Box label_box = new Box(Orientation.VERTICAL, 0) { visible = true };
                 label_box.append(display_name_label);
                 if (device.detail_name != null) {
-                    Label detail_name_label = new Label(device.detail_name) { xalign=0, visible=true };
-                    detail_name_label.get_style_context().add_class("dim-label");
+                    Label detail_name_label = new Label(device.detail_name) { xalign=0 };
+                    detail_name_label.add_css_class("dim-label");
                     detail_name_label.attributes = new Pango.AttrList();
                     detail_name_label.attributes.insert(Pango.attr_scale_new(0.8));
                     label_box.append(detail_name_label);
                 }
                 device_box.append(label_box);
-                ListBoxRow list_box_row = new ListBoxRow() { visible=true };
+                ListBoxRow list_box_row = new ListBoxRow();
                 list_box_row.set_child(device_box);
                 speaker_list_box.append(list_box_row);
 
diff --git a/main/src/ui/call_window/call_bottom_bar.vala b/main/src/ui/call_window/call_bottom_bar.vala
index ddc196f2..c30a86e9 100644
--- a/main/src/ui/call_window/call_bottom_bar.vala
+++ b/main/src/ui/call_window/call_bottom_bar.vala
@@ -11,52 +11,54 @@ public class Dino.Ui.CallBottomBar : Gtk.Box {
 
     public string counterpart_display_name { get; set; }
 
-    private Button audio_button = new Button() { height_request=45, width_request=45, halign=Align.START, valign=Align.START, visible=true };
-    private Overlay audio_button_overlay = new Overlay() { visible=true };
+    private Button audio_button = new Button() { height_request=45, width_request=45, halign=Align.START, valign=Align.START };
+    private Overlay audio_button_overlay = new Overlay();
     private Image audio_image = new Image() { pixel_size=22 };
-    private MenuButton audio_settings_button = new MenuButton() { icon_name="go-up-symbolic", halign=Align.END, valign=Align.END };
+    private MenuButton audio_settings_button = new MenuButton() { halign=Align.END, valign=Align.END };
     public AudioSettingsPopover? audio_settings_popover;
 
-    private Button video_button = new Button() { height_request=45, width_request=45, halign=Align.START, valign=Align.START, visible=true };
-    private Overlay video_button_overlay = new Overlay() { visible=true };
+    private Button video_button = new Button() { height_request=45, width_request=45, halign=Align.START, valign=Align.START };
+    private Overlay video_button_overlay = new Overlay();
     private Image video_image = new Image() { pixel_size=22 };
-    private MenuButton video_settings_button = new MenuButton() { icon_name="go-up-symbolic", halign=Align.END, valign=Align.END };
+    private MenuButton video_settings_button = new MenuButton() { halign=Align.END, valign=Align.END };
     public VideoSettingsPopover? video_settings_popover;
 
-    private Label label = new Label("") { halign=Align.CENTER, valign=Align.CENTER, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, hexpand=true, visible=true };
-    private Stack stack = new Stack() { visible=true };
+    private Label label = new Label("") { halign=Align.CENTER, valign=Align.CENTER, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, hexpand=true };
+    private Stack stack = new Stack();
 
     public CallBottomBar() {
         Object(orientation:Orientation.HORIZONTAL, spacing:0);
 
-        Box main_buttons = new Box(Orientation.HORIZONTAL, 20) { margin_start=40, margin_end=40, margin_bottom=20, margin_top=20, halign=Align.CENTER, hexpand=true, visible=true };
+        Box main_buttons = new Box(Orientation.HORIZONTAL, 20) { margin_start=40, margin_end=40, margin_bottom=20, margin_top=20, halign=Align.CENTER, hexpand=true };
 
         audio_button.set_child(audio_image);
-        audio_button.get_style_context().add_class("call-button");
+        audio_button.add_css_class("call-button");
         audio_button.clicked.connect(() => { audio_enabled = !audio_enabled; });
         audio_button.margin_end = audio_button.margin_bottom = 5; // space for the small settings button
         audio_button_overlay.set_child(audio_button);
         audio_button_overlay.add_overlay(audio_settings_button);
-        audio_settings_button.get_style_context().add_class("call-mediadevice-settings-button");
+        audio_settings_button.set_child(new Image.from_icon_name("go-up-symbolic") { pixel_size=10 });
+        audio_settings_button.add_css_class("call-mediadevice-settings-button");
         main_buttons.append(audio_button_overlay);
 
         video_button.set_child(video_image);
-        video_button.get_style_context().add_class("call-button");
+        video_button.add_css_class("call-button");
         video_button.clicked.connect(() => { video_enabled = !video_enabled; });
         video_button.margin_end = video_button.margin_bottom = 5;
         video_button_overlay.set_child(video_button);
         video_button_overlay.add_overlay(video_settings_button);
-        video_settings_button.get_style_context().add_class("call-mediadevice-settings-button");
+        video_settings_button.set_child(new Image.from_icon_name("go-up-symbolic") { pixel_size=10 });
+        video_settings_button.add_css_class("call-mediadevice-settings-button");
         main_buttons.append(video_button_overlay);
 
-        Button button_hang = new Button() { height_request=45, width_request=45, halign=Align.START, valign=Align.START, visible=true };
+        Button button_hang = new Button() { height_request=45, width_request=45, halign=Align.START, valign=Align.START };
         button_hang.set_child(new Image() { icon_name="dino-phone-hangup-symbolic", pixel_size=22 });
-        button_hang.get_style_context().add_class("call-button");
-        button_hang.get_style_context().add_class("destructive-action");
+        button_hang.add_css_class("call-button");
+        button_hang.add_css_class("destructive-action");
         button_hang.clicked.connect(() => hang_up());
         main_buttons.append(button_hang);
 
-        label.get_style_context().add_class("text-no-controls");
+        label.add_css_class("text-no-controls");
 
         stack.add_named(main_buttons, "control-buttons");
         stack.add_named(label, "label");
@@ -71,7 +73,7 @@ public class Dino.Ui.CallBottomBar : Gtk.Box {
         on_audio_enabled_changed();
         on_video_enabled_changed();
 
-        this.get_style_context().add_class("call-bottom-bar");
+        this.add_css_class("call-bottom-bar");
     }
 
     public AudioSettingsPopover? show_audio_device_choices(bool show) {
@@ -112,25 +114,25 @@ public class Dino.Ui.CallBottomBar : Gtk.Box {
     public void on_audio_enabled_changed() {
         if (audio_enabled) {
             audio_image.icon_name = "dino-microphone-symbolic";
-            audio_button.get_style_context().add_class("white-button");
-            audio_button.get_style_context().remove_class("transparent-white-button");
+            audio_button.add_css_class("white-button");
+            audio_button.remove_css_class("transparent-white-button");
         } else {
             audio_image.icon_name = "dino-microphone-off-symbolic";
-            audio_button.get_style_context().remove_class("white-button");
-            audio_button.get_style_context().add_class("transparent-white-button");
+            audio_button.remove_css_class("white-button");
+            audio_button.add_css_class("transparent-white-button");
         }
     }
 
     public void on_video_enabled_changed() {
         if (video_enabled) {
             video_image.icon_name = "dino-video-symbolic";
-            video_button.get_style_context().add_class("white-button");
-            video_button.get_style_context().remove_class("transparent-white-button");
+            video_button.add_css_class("white-button");
+            video_button.remove_css_class("transparent-white-button");
 
         } else {
             video_image.icon_name = "dino-video-off-symbolic";
-            video_button.get_style_context().remove_class("white-button");
-            video_button.get_style_context().add_class("transparent-white-button");
+            video_button.remove_css_class("white-button");
+            video_button.add_css_class("transparent-white-button");
         }
     }
 
@@ -140,6 +142,7 @@ public class Dino.Ui.CallBottomBar : Gtk.Box {
     }
 
     public bool is_menu_active() {
-        return video_settings_button.popover.visible || audio_settings_button.popover.visible; // TODO gtk4 does this work? check for null?
+        return (video_settings_button.popover != null && video_settings_button.popover.visible) ||
+                (audio_settings_button.popover != null && audio_settings_button.popover.visible);
     }
 }
\ No newline at end of file
diff --git a/main/src/ui/call_window/call_connection_details_window.vala b/main/src/ui/call_window/call_connection_details_window.vala
index 0905908c..9e9e1b3a 100644
--- a/main/src/ui/call_window/call_connection_details_window.vala
+++ b/main/src/ui/call_window/call_connection_details_window.vala
@@ -4,10 +4,10 @@ namespace Dino.Ui {
 
     public class CallConnectionDetailsWindow : Gtk.Window {
 
-        public Box box = new Box(Orientation.VERTICAL, 15) { halign=Align.CENTER, valign=Align.CENTER, visible=true };
+        public Box box = new Box(Orientation.VERTICAL, 15) { halign=Align.CENTER, valign=Align.CENTER };
 
         private bool video_added = false;
-        private CallContentDetails audio_details = new CallContentDetails("Audio") { visible=true };
+        private CallContentDetails audio_details = new CallContentDetails("Audio");
         private CallContentDetails video_details = new CallContentDetails("Video");
 
         public CallConnectionDetailsWindow() {
@@ -36,24 +36,24 @@ namespace Dino.Ui {
 
     public class CallContentDetails : Gtk.Grid {
 
-        public Label rtp_title = new Label("RTP") { xalign=0, visible=true };
-        public Label rtcp_title = new Label("RTCP") { xalign=0, visible=true };
-        public Label target_recv_title = new Label("Target receive bitrate") { xalign=0, visible=true };
-        public Label target_send_title = new Label("Target send bitrate") { xalign=0, visible=true };
+        public Label rtp_title = new Label("RTP") { xalign=0 };
+        public Label rtcp_title = new Label("RTCP") { xalign=0 };
+        public Label target_recv_title = new Label("Target receive bitrate") { xalign=0 };
+        public Label target_send_title = new Label("Target send bitrate") { xalign=0 };
 
-        public Label rtp_ready = new Label("?") { xalign=0, visible=true };
-        public Label rtcp_ready = new Label("?") { xalign=0, visible=true };
-        public Label sent_bps = new Label("?") { use_markup=true, xalign=0, visible=true };
-        public Label recv_bps = new Label("?") { use_markup=true, xalign=0, visible=true };
-        public Label codec = new Label("?") { xalign=0, visible=true };
-        public Label target_receive_bitrate = new Label("n/a") { use_markup=true, xalign=0, visible=true };
-        public Label target_send_bitrate = new Label("n/a") { use_markup=true, xalign=0, visible=true };
+        public Label rtp_ready = new Label("?") { xalign=0 };
+        public Label rtcp_ready = new Label("?") { xalign=0 };
+        public Label sent_bps = new Label("?") { use_markup=true, xalign=0 };
+        public Label recv_bps = new Label("?") { use_markup=true, xalign=0 };
+        public Label codec = new Label("?") { xalign=0 };
+        public Label target_receive_bitrate = new Label("n/a") { use_markup=true, xalign=0 };
+        public Label target_send_bitrate = new Label("n/a") { use_markup=true, xalign=0 };
 
         private PeerContentInfo? prev_info = null;
         private int row_at = 0;
 
         public CallContentDetails(string headline) {
-            attach(new Label("<b>%s</b>".printf(headline)) { use_markup=true, xalign=0, visible=true }, 0, row_at++, 1, 1);
+            attach(new Label("<b>%s</b>".printf(headline)) { use_markup=true, xalign=0 }, 0, row_at++, 1, 1);
             attach(rtp_title, 0, row_at, 1, 1);
             attach(rtp_ready, 1, row_at++, 1, 1);
             attach(rtcp_title, 0, row_at, 1, 1);
@@ -104,7 +104,7 @@ namespace Dino.Ui {
         }
 
         private void put_row(string label) {
-            attach(new Label(label) { xalign=0, visible=true }, 0, row_at, 1, 1);
+            attach(new Label(label) { xalign=0 }, 0, row_at, 1, 1);
         }
     }
 }
diff --git a/main/src/ui/call_window/call_encryption_button.vala b/main/src/ui/call_window/call_encryption_button.vala
index 095db2b4..1b586f28 100644
--- a/main/src/ui/call_window/call_encryption_button.vala
+++ b/main/src/ui/call_window/call_encryption_button.vala
@@ -2,7 +2,7 @@ using Dino.Entities;
 using Gtk;
 using Pango;
 
-public class Dino.Ui.CallEncryptionButtonController {
+public class Dino.Ui.CallEncryptionButtonController : Object {
 
     private bool has_been_set = false;
     public bool controls_active { get; set; default=false; }
@@ -21,10 +21,10 @@ public class Dino.Ui.CallEncryptionButtonController {
     public void set_icon(bool encrypted, string? icon_name) {
         if (encrypted) {
             button.icon_name = icon_name ?? "changes-prevent-symbolic";
-            button.get_style_context().remove_class("unencrypted");
+            button.remove_css_class("unencrypted");
         } else {
             button.icon_name = icon_name ?? "changes-allow-symbolic";
-            button.get_style_context().add_class("unencrypted");
+            button.add_css_class("unencrypted");
         }
         has_been_set = true;
         update_opacity();
@@ -35,23 +35,23 @@ public class Dino.Ui.CallEncryptionButtonController {
         button.set_popover(popover);
 
         if (audio_encryption == null) {
-            popover.set_child(new Label("This call is unencrypted.") { visible=true } );
+            popover.set_child(new Label("This call is unencrypted.") );
             return;
         }
         if (title != null && !show_keys) {
-            popover.set_child(new Label(title) { use_markup=true, visible=true } );
+            popover.set_child(new Label(title) { use_markup=true } );
             return;
         }
 
-        Box box = new Box(Orientation.VERTICAL, 10) { visible=true };
-        box.append(new Label("<b>%s</b>".printf(title ?? "This call is end-to-end encrypted.")) { use_markup=true, xalign=0, visible=true });
+        Box box = new Box(Orientation.VERTICAL, 10);
+        box.append(new Label("<b>%s</b>".printf(title ?? "This call is end-to-end encrypted.")) { use_markup=true, xalign=0 });
 
         if (video_encryption == null) {
             box.append(create_media_encryption_grid(audio_encryption));
         } else {
-            box.append(new Label("<b>Audio</b>") { use_markup=true, xalign=0, visible=true });
+            box.append(new Label("<b>Audio</b>") { use_markup=true, xalign=0 });
             box.append(create_media_encryption_grid(audio_encryption));
-            box.append(new Label("<b>Video</b>") { use_markup=true, xalign=0, visible=true });
+            box.append(new Label("<b>Video</b>") { use_markup=true, xalign=0 });
             box.append(create_media_encryption_grid(video_encryption));
         }
         popover.set_child(box);
@@ -62,14 +62,14 @@ public class Dino.Ui.CallEncryptionButtonController {
     }
 
     private Grid create_media_encryption_grid(Xmpp.Xep.Jingle.ContentEncryption? encryption) {
-        Grid ret = new Grid() { row_spacing=3, column_spacing=5, visible=true };
+        Grid ret = new Grid() { row_spacing=3, column_spacing=5 };
         if (encryption.peer_key.length > 0) {
-            ret.attach(new Label("Peer call key") { xalign=0, visible=true }, 1, 2, 1, 1);
-            ret.attach(new Label("<span font_family='monospace'>" + format_fingerprint(encryption.peer_key) + "</span>") { use_markup=true, max_width_chars=25, ellipsize=EllipsizeMode.MIDDLE, xalign=0, hexpand=true, visible=true }, 2, 2, 1, 1);
+            ret.attach(new Label("Peer call key") { xalign=0 }, 1, 2, 1, 1);
+            ret.attach(new Label("<span font_family='monospace'>" + format_fingerprint(encryption.peer_key) + "</span>") { use_markup=true, max_width_chars=25, ellipsize=EllipsizeMode.MIDDLE, xalign=0, hexpand=true }, 2, 2, 1, 1);
         }
         if (encryption.our_key.length > 0) {
-            ret.attach(new Label("Your call key") { xalign=0, visible=true }, 1, 3, 1, 1);
-            ret.attach(new Label("<span font_family='monospace'>" + format_fingerprint(encryption.our_key) + "</span>") { use_markup=true, max_width_chars=25, ellipsize=EllipsizeMode.MIDDLE, xalign=0, hexpand=true, visible=true }, 2, 3, 1, 1);
+            ret.attach(new Label("Your call key") { xalign=0 }, 1, 3, 1, 1);
+            ret.attach(new Label("<span font_family='monospace'>" + format_fingerprint(encryption.our_key) + "</span>") { use_markup=true, max_width_chars=25, ellipsize=EllipsizeMode.MIDDLE, xalign=0, hexpand=true }, 2, 3, 1, 1);
         }
         return ret;
     }
diff --git a/main/src/ui/call_window/call_window.vala b/main/src/ui/call_window/call_window.vala
index cd05848a..cf89d8e8 100644
--- a/main/src/ui/call_window/call_window.vala
+++ b/main/src/ui/call_window/call_window.vala
@@ -11,13 +11,13 @@ namespace Dino.Ui {
 
         public CallWindowController controller;
 
-        public Overlay overlay = new Overlay() { visible=true };
-        public Grid grid = new Grid() { visible=true };
-        public CallBottomBar bottom_bar = new CallBottomBar() { visible=true };
-        public Revealer bottom_bar_revealer = new Revealer() { valign=Align.END, transition_type=RevealerTransitionType.CROSSFADE, transition_duration=200, visible=true };
-        public HeaderBar header_bar = new HeaderBar() { valign=Align.START, halign=Align.END, show_title_buttons=true, visible=true, opacity=0.0 };
-        public Revealer header_bar_revealer = new Revealer() { halign=Align.END, valign=Align.START, transition_type=RevealerTransitionType.SLIDE_LEFT, transition_duration=200, visible=true, reveal_child=false };
-        public Box own_video_box = new Box(Orientation.HORIZONTAL, 0) { halign=Align.END, valign=Align.END, visible=true };
+        public Overlay overlay = new Overlay();
+        public Grid grid = new Grid();
+        public CallBottomBar bottom_bar = new CallBottomBar();
+        public Revealer bottom_bar_revealer = new Revealer() { valign=Align.END, transition_type=RevealerTransitionType.CROSSFADE, transition_duration=200 };
+        public HeaderBar header_bar = new HeaderBar() { valign=Align.START, halign=Align.END, show_title_buttons=true, opacity=0.0 };
+        public Revealer header_bar_revealer = new Revealer() { halign=Align.END, valign=Align.START, transition_type=RevealerTransitionType.SLIDE_LEFT, transition_duration=200, reveal_child=false };
+        public Box own_video_box = new Box(Orientation.HORIZONTAL, 0) { halign=Align.END, valign=Align.END };
         private Widget? own_video = null;
         private HashMap<string, ParticipantWidget> participant_widgets = new HashMap<string, ParticipantWidget>();
         private ArrayList<string> participants = new ArrayList<string>();
@@ -32,14 +32,14 @@ namespace Dino.Ui {
         public bool controls_active { get; set; default=true; }
 
         construct {
-            header_bar.get_style_context().add_class("call-header-bar");
+            header_bar.add_css_class("call-header-bar");
             header_bar.title_widget = new Box(Orientation.VERTICAL, 0);
 //            header_bar.spacing = 0;
             header_bar_revealer.set_child(header_bar);
             bottom_bar_revealer.set_child(bottom_bar);
-            own_video_box.get_style_context().add_class("own-video");
+            own_video_box.add_css_class("own-video");
 
-            this.get_style_context().add_class("dino-call-window");
+            this.add_css_class("dino-call-window");
 
             overlay.set_child(grid);
             overlay.add_overlay(own_video_box);
@@ -64,7 +64,7 @@ namespace Dino.Ui {
             this.notify["default-width"].connect(reposition_participant_widgets);
             this.notify["default-height"].connect(reposition_participant_widgets);
 
-            this.set_titlebar(new OutsideHeaderBar(this.header_bar) { visible=true });
+            this.set_titlebar(new OutsideHeaderBar(this.header_bar));
 
             reveal_control_elements();
         }
@@ -72,7 +72,7 @@ namespace Dino.Ui {
         public void add_participant(string participant, ParticipantWidget participant_widget) {
             participant_widget.visible = true;
             this.bind_property("controls-active", participant_widget, "controls-active", BindingFlags.SYNC_CREATE);
-            this.bind_property("controls-active", participant_widget.encryption_button, "controls-active", BindingFlags.SYNC_CREATE);
+            this.bind_property("controls-active", participant_widget.encryption_button_controller, "controls-active", BindingFlags.SYNC_CREATE);
 
             participants.add(participant);
             participant_widgets[participant] = participant_widget;
@@ -153,8 +153,9 @@ namespace Dino.Ui {
 
             own_video = widget_;
             if (own_video == null) {
-                own_video = new Box(Orientation.HORIZONTAL, 0) { hexpand=true, vexpand=true };
+                own_video = new Box(Orientation.HORIZONTAL, 0);
             }
+            own_video.hexpand = own_video.vexpand = true;
             own_video.visible = true;
             own_video_box.append(own_video);
         }
diff --git a/main/src/ui/call_window/call_window_controller.vala b/main/src/ui/call_window/call_window_controller.vala
index e3f8b670..e0eca6dc 100644
--- a/main/src/ui/call_window/call_window_controller.vala
+++ b/main/src/ui/call_window/call_window_controller.vala
@@ -134,10 +134,11 @@ public class Dino.Ui.CallWindowController : Object {
             warning("suspend inhibit request failed or unsupported");
         }
 
-        call_window.destroy.connect(() => {
+        call_window.close_request.connect(() => {
             if (inhibit_cookie != 0) {
                 app.uninhibit(inhibit_cookie);
             }
+            return false;
         });
     }
 
@@ -235,7 +236,7 @@ public class Dino.Ui.CallWindowController : Object {
         ParticipantWidget participant_widget = new ParticipantWidget(participant_name);
         participant_widget.may_show_invite_button = !participant_widgets.is_empty;
         participant_widget.debug_information_clicked.connect(() => {
-            var conn_details_window = new CallConnectionDetailsWindow() { title=participant_name, visible=true };
+            var conn_details_window = new CallConnectionDetailsWindow() { title=participant_name };
             conn_details_window.update_content(peer_states[participant_id].get_info());
             uint timeout_handle_id = Timeout.add_seconds(1, () => {
                 conn_details_window.update_content(peer_states[participant_id].get_info());
@@ -361,7 +362,9 @@ public class Dino.Ui.CallWindowController : Object {
     public override void dispose() {
         foreach (ulong handler_id in call_window_handler_ids) call_window.disconnect(handler_id);
         foreach (ulong handler_id in bottom_bar_handler_ids) call_window.bottom_bar.disconnect(handler_id);
-        participant_widgets.keys.@foreach((peer_id) => { remove_participant(peer_id); return true; });
+        foreach (string peer_id in participant_widgets.keys) {
+            remove_participant(peer_id);
+        }
 
         call_window_handler_ids = bottom_bar_handler_ids = new ulong[0];
         own_video.detach();
diff --git a/main/src/ui/call_window/participant_widget.vala b/main/src/ui/call_window/participant_widget.vala
index ecd6cbb3..180923f1 100644
--- a/main/src/ui/call_window/participant_widget.vala
+++ b/main/src/ui/call_window/participant_widget.vala
@@ -10,15 +10,15 @@ namespace Dino.Ui {
 
         public Overlay overlay = new Overlay();
         public Widget main_widget;
-        public HeaderBar header_bar = new HeaderBar() { valign=Align.START, visible=true };
+        public HeaderBar header_bar = new HeaderBar() { valign=Align.START };
         public Label title_label = new Label("");
         public Label subtitle_label = new Label("");
-        public Box inner_box = new Box(Orientation.HORIZONTAL, 0) { margin_start=5, margin_top=5, hexpand=true, visible=true };
-        public Box title_box = new Box(Orientation.VERTICAL, 0) { valign=Align.CENTER, hexpand=true, visible=true };
-        public MenuButton encryption_button = new MenuButton() { opacity=0, has_frame=false, height_request=30, width_request=30, margin_end=5, visible=true };
+        public Box inner_box = new Box(Orientation.HORIZONTAL, 0) { margin_start=5, margin_top=5, hexpand=true };
+        public Box title_box = new Box(Orientation.VERTICAL, 0) { valign=Align.CENTER, hexpand=true };
+        public MenuButton encryption_button = new MenuButton() { opacity=0, has_frame=false, height_request=30, width_request=30, margin_end=5 };
         public CallEncryptionButtonController encryption_button_controller;
-        public MenuButton menu_button = new MenuButton() { icon_name="open-menu-symbolic", has_frame=false, visible=true };
-        public Button invite_button = new Button.from_icon_name("dino-account-plus") { has_frame=false, visible=true };
+        public MenuButton menu_button = new MenuButton() { icon_name="open-menu-symbolic", has_frame=false };
+        public Button invite_button = new Button.from_icon_name("dino-account-plus") { has_frame=false };
         public bool shows_video = false;
         public string? participant_name;
 
@@ -40,18 +40,19 @@ namespace Dino.Ui {
             this.participant_name = participant_name;
 
             Box titles_box = new Box(Orientation.VERTICAL, 0) { valign=Align.CENTER };
+            titles_box.add_css_class("titles");
             title_label.attributes = new AttrList();
             title_label.attributes.insert(Pango.attr_weight_new(Weight.BOLD));
             titles_box.append(title_label);
             subtitle_label.attributes = new AttrList();
             subtitle_label.attributes.insert(Pango.attr_scale_new(Pango.Scale.SMALL));
-            subtitle_label.get_style_context().add_class("dim-label");
+            subtitle_label.add_css_class("dim-label");
             titles_box.append(subtitle_label);
 
             header_bar.set_title_widget(titles_box);
             title_label.label = participant_name;
 
-            header_bar.get_style_context().add_class("participant-header-bar");
+            header_bar.add_css_class("participant-header-bar");
             header_bar.pack_start(invite_button);
             header_bar.pack_start(encryption_button);
             header_bar.pack_end(menu_button);
@@ -73,14 +74,14 @@ namespace Dino.Ui {
 
             header_bar.show_title_buttons = is_highest_row;
             if (is_highest_row) {
-                header_bar.get_style_context().add_class("call-header-background");
+                header_bar.add_css_class("call-header-background");
                 Gtk.Settings? gtk_settings = Gtk.Settings.get_default();
                 if (gtk_settings != null) {
                     string[] buttons = gtk_settings.gtk_decoration_layout.split(":");
                     header_bar.decoration_layout = (is_start ? buttons[0] : "") + ":" + (is_end && buttons.length == 2 ? buttons[1] : "");
                 }
             } else {
-                header_bar.get_style_context().remove_class("call-header-background");
+                header_bar.remove_css_class("call-header-background");
             }
             reveal_or_hide_controls();
         }
@@ -93,9 +94,9 @@ namespace Dino.Ui {
 
         public void set_placeholder(Conversation? conversation, StreamInteractor stream_interactor) {
             shows_video = false;
-            Box box = new Box(Orientation.HORIZONTAL, 0) { visible=true };
-            box.get_style_context().add_class("video-placeholder-box");
-            AvatarImage avatar = new AvatarImage() { allow_gray=false, hexpand=true, vexpand=true, halign=Align.CENTER, valign=Align.CENTER, height=100, width=100, visible=true };
+            Box box = new Box(Orientation.HORIZONTAL, 0);
+            box.add_css_class("video-placeholder-box");
+            AvatarImage avatar = new AvatarImage() { allow_gray=false, hexpand=true, vexpand=true, halign=Align.CENTER, valign=Align.CENTER, height=100, width=100 };
             if (conversation != null) {
                 avatar.set_conversation(stream_interactor, conversation);
             } else {
@@ -133,6 +134,10 @@ namespace Dino.Ui {
             }
         }
 
+        public bool is_menu_active() {
+            return false;
+        }
+
         private void reveal_or_hide_controls() {
             header_bar.opacity = controls_active ? 1.0 : 0.0;
             invite_button.visible = may_show_invite_button && is_highest_row && is_start_row;
diff --git a/main/src/ui/call_window/video_settings_popover.vala b/main/src/ui/call_window/video_settings_popover.vala
index c931c466..58967bd2 100644
--- a/main/src/ui/call_window/video_settings_popover.vala
+++ b/main/src/ui/call_window/video_settings_popover.vala
@@ -11,7 +11,7 @@ public class Dino.Ui.VideoSettingsPopover : Gtk.Popover {
     private HashMap<ListBoxRow, Plugins.MediaDevice> row_device = new HashMap<ListBoxRow, Plugins.MediaDevice>();
 
     public VideoSettingsPopover() {
-        Box box = new Box(Orientation.VERTICAL, 15) { visible=true };
+        Box box = new Box(Orientation.VERTICAL, 15);
         box.append(create_camera_box());
 
         this.set_child(box);
@@ -21,19 +21,19 @@ public class Dino.Ui.VideoSettingsPopover : Gtk.Popover {
         Plugins.VideoCallPlugin call_plugin = Dino.Application.get_default().plugin_registry.video_call_plugin;
         Gee.List<Plugins.MediaDevice> devices = call_plugin.get_devices("video", false);
 
-        Box camera_box = new Box(Orientation.VERTICAL, 10) { visible=true };
-        camera_box.append(new Label("<b>" + _("Cameras") + "</b>") { use_markup=true, xalign=0, visible=true, can_focus=true /* grab initial focus*/ });
+        Box camera_box = new Box(Orientation.VERTICAL, 10);
+        camera_box.append(new Label("<b>" + _("Cameras") + "</b>") { use_markup=true, xalign=0, can_focus=true /* grab initial focus*/ });
 
         if (devices.size == 0) {
-            camera_box.append(new Label(_("No camera found.")) { visible=true });
+            camera_box.append(new Label(_("No camera found.")));
         } else {
-            ListBox list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE, visible=true };
+            ListBox list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE };
             list_box.set_header_func(listbox_header_func);
-            Frame frame = new Frame(null) { visible=true };
+            Frame frame = new Frame(null);
             frame.set_child(list_box);
             foreach (Plugins.MediaDevice device in devices) {
-                Label display_name_label = new Label(device.display_name) { xalign=0, visible=true };
-                Image image = new Image.from_icon_name("object-select-symbolic") { visible=true };
+                Label display_name_label = new Label(device.display_name) { xalign=0 };
+                Image image = new Image.from_icon_name("object-select-symbolic");
                 if (current_device == null || current_device.id != device.id) {
                     image.opacity = 0;
                 }
@@ -44,19 +44,19 @@ public class Dino.Ui.VideoSettingsPopover : Gtk.Popover {
                         image.opacity = 1;
                     }
                 });
-                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7, visible=true };
+                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7 };
                 device_box.append(image);
                 Box label_box = new Box(Orientation.VERTICAL, 0) { visible = true };
                 label_box.append(display_name_label);
                 if (device.detail_name != null) {
-                    Label detail_name_label = new Label(device.detail_name) { xalign=0, visible=true };
-                    detail_name_label.get_style_context().add_class("dim-label");
+                    Label detail_name_label = new Label(device.detail_name) { xalign=0 };
+                    detail_name_label.add_css_class("dim-label");
                     detail_name_label.attributes = new Pango.AttrList();
                     detail_name_label.attributes.insert(Pango.attr_scale_new(0.8));
                     label_box.append(detail_name_label);
                 }
                 device_box.append(label_box);
-                ListBoxRow list_box_row = new ListBoxRow() { visible=true };
+                ListBoxRow list_box_row = new ListBoxRow();
                 list_box_row.set_child(device_box);
                 list_box.append(list_box_row);
 
diff --git a/main/src/ui/chat_input/chat_text_view.vala b/main/src/ui/chat_input/chat_text_view.vala
index b1f719b6..437950ea 100644
--- a/main/src/ui/chat_input/chat_text_view.vala
+++ b/main/src/ui/chat_input/chat_text_view.vala
@@ -26,7 +26,6 @@ public class ChatTextViewController : Object {
 
     public void initialize_for_conversation(Conversation conversation) {
         occupants_tab_completor.initialize_for_conversation(conversation);
-        widget.initialize_for_conversation(conversation);
     }
 }
 
@@ -39,40 +38,31 @@ public class ChatTextView : Box {
     public TextView text_view = new TextView() { hexpand=true, wrap_mode=Gtk.WrapMode.WORD_CHAR, valign=Align.CENTER, margin_top=7, margin_bottom=7 };
     private int vscrollbar_min_height;
     private SmileyConverter smiley_converter;
-//    private SpellChecker spell_checker;
 
     construct {
         scrolled_window.set_child(text_view);
         this.append(scrolled_window);
 
-        smiley_converter = new SmileyConverter(text_view);
-
-//        scrolled_window.get_vscrollbar().get_preferred_size(out vscrollbar_min_size, null);
-        scrolled_window.vadjustment.notify["upper"].connect(on_upper_notify);
-
         var text_input_key_events = new EventControllerKey();
         text_input_key_events.key_pressed.connect(on_text_input_key_press);
         text_view.add_controller(text_input_key_events);
 
+        smiley_converter = new SmileyConverter(text_view);
+
+        scrolled_window.vadjustment.changed.connect(on_upper_notify);
+
         text_view.realize.connect(() => {
             var minimum_size = new Requisition();
             scrolled_window.get_preferred_size(out minimum_size, null);
             vscrollbar_min_height = minimum_size.height;
         });
-//        Gtk.drag_dest_unset(text_view);
     }
 
-    public void initialize_for_conversation(Conversation conversation) {
-//        spell_checker.initialize_for_conversation(conversation);
-    }
-
-//    public override void get_preferred_size(out Gtk.Requisition minimum_size, out Gtk.Requisition natural_size) {
-//        base.get_preferred_height(out min_height, out nat_height);
-//        min_height = nat_height;
-//    }
-
     private void on_upper_notify() {
-        scrolled_window.vadjustment.value = scrolled_window.vadjustment.upper - scrolled_window.vadjustment.page_size;
+        // hack. otherwise the textview would only show the last row(s) when entering a new row on some systems.
+        if (text_view.get_height() < scrolled_window.max_content_height - 20) {
+            scrolled_window.vadjustment.page_size = scrolled_window.vadjustment.upper;
+        }
 
         // hack for vscrollbar not requiring space and making textview higher //TODO doesn't resize immediately
         scrolled_window.get_vscrollbar().visible = (scrolled_window.vadjustment.upper > scrolled_window.max_content_height - 2 * this.vscrollbar_min_height);
diff --git a/main/src/ui/chat_input/encryption_button.vala b/main/src/ui/chat_input/encryption_button.vala
index e5831802..ab463f44 100644
--- a/main/src/ui/chat_input/encryption_button.vala
+++ b/main/src/ui/chat_input/encryption_button.vala
@@ -15,16 +15,39 @@ public class EncryptionButton {
     private Map<CheckButton, Plugins.EncryptionListEntry> encryption_radios = new HashMap<CheckButton, Plugins.EncryptionListEntry>();
     private string? current_icon;
     private StreamInteractor stream_interactor;
+    private SimpleAction action;
 
     public EncryptionButton(StreamInteractor stream_interactor, MenuButton menu_button) {
         this.stream_interactor = stream_interactor;
         this.menu_button = menu_button;
 
-        Builder builder = new Builder.from_resource("/im/dino/Dino/menu_encryption.ui");
-        menu_button.popover = builder.get_object("menu_encryption") as PopoverMenu;
-        Box encryption_box = builder.get_object("encryption_box") as Box;
-        button_unencrypted = builder.get_object("button_unencrypted") as CheckButton;
-        button_unencrypted.toggled.connect(encryption_button_toggled);
+        // Build menu model including "Unencrypted" and all registered encryption entries
+        Menu menu_model = new Menu();
+
+        MenuItem unencrypted_item = new MenuItem(_("Unencrypted"), "enc.encryption");
+        unencrypted_item.set_action_and_target_value("enc.encryption", new Variant.int32(Encryption.NONE));
+        menu_model.append_item(unencrypted_item);
+
+        Application app = GLib.Application.get_default() as Application;
+        foreach (var e in app.plugin_registry.encryption_list_entries) {
+            MenuItem item = new MenuItem(e.name, "enc.encryption");
+            item.set_action_and_target_value("enc.encryption", new Variant.int32(e.encryption));
+            menu_model.append_item(item);
+        }
+
+        // Create action to act on menu selections (stateful => radio buttons)
+        SimpleActionGroup action_group = new SimpleActionGroup();
+        action = new SimpleAction.stateful("encryption", VariantType.INT32, new Variant.int32(Encryption.NONE));
+        action.activate.connect((parameter) => {
+            action.set_state(parameter);
+            this.conversation.encryption = (Encryption) parameter.get_int32();
+        });
+        action_group.insert(action);
+        menu_button.insert_action_group("enc", action_group);
+
+        // Create and set popover menu
+        Gtk.PopoverMenu popover_menu = new Gtk.PopoverMenu.from_model(menu_model);
+        menu_button.popover = popover_menu;
 
         stream_interactor.get_module(MucManager.IDENTITY).room_info_updated.connect((account, muc_jid) => {
             if (conversation != null && conversation.account.equals(account) && conversation.counterpart.equals(muc_jid)) {
@@ -32,15 +55,6 @@ public class EncryptionButton {
             }
         });
 
-        Application app = GLib.Application.get_default() as Application;
-        foreach (var e in app.plugin_registry.encryption_list_entries) {
-            CheckButton btn = new CheckButton.with_label(e.name);
-            btn.set_group(button_unencrypted);
-            encryption_radios[btn] = e;
-            btn.toggled.connect(encryption_button_toggled);
-            btn.visible = true;
-            encryption_box.prepend(btn);
-        }
         menu_button.activate.connect(update_encryption_menu_state);
     }
 
@@ -61,16 +75,8 @@ public class EncryptionButton {
     }
 
     private void update_encryption_menu_state() {
-        foreach (CheckButton e in encryption_radios.keys) {
-            if (conversation.encryption == encryption_radios[e].encryption) {
-                e.set_active(true);
-                encryption_changed(encryption_radios[e]);
-            }
-        }
-        if (conversation.encryption == Encryption.NONE) {
-            button_unencrypted.set_active(true);
-            encryption_changed(null);
-        }
+        action.set_state(new Variant.int32(conversation.encryption));
+        action.change_state(new Variant.int32(conversation.encryption));
     }
 
     private void set_icon(string icon) {
diff --git a/main/src/ui/chat_input/view.vala b/main/src/ui/chat_input/view.vala
index 6524a825..81f2bd0f 100644
--- a/main/src/ui/chat_input/view.vala
+++ b/main/src/ui/chat_input/view.vala
@@ -66,28 +66,28 @@ public class View : Box {
     public void set_input_state(Plugins.InputFieldStatus.MessageType message_type) {
         switch (message_type) {
             case Plugins.InputFieldStatus.MessageType.NONE:
-                this.get_style_context().remove_class("dino-input-warning");
-                this.get_style_context().remove_class("dino-input-error");
+                this.remove_css_class("dino-input-warning");
+                this.remove_css_class("dino-input-error");
                 break;
             case Plugins.InputFieldStatus.MessageType.INFO:
-                this.get_style_context().remove_class("dino-input-warning");
-                this.get_style_context().remove_class("dino-input-error");
+                this.remove_css_class("dino-input-warning");
+                this.remove_css_class("dino-input-error");
                 break;
             case Plugins.InputFieldStatus.MessageType.WARNING:
-                this.get_style_context().add_class("dino-input-warning");
-                this.get_style_context().remove_class("dino-input-error");
+                this.add_css_class("dino-input-warning");
+                this.remove_css_class("dino-input-error");
                 break;
             case Plugins.InputFieldStatus.MessageType.ERROR:
-                this.get_style_context().remove_class("dino-input-warning");
-                this.get_style_context().add_class("dino-input-error");
+                this.remove_css_class("dino-input-warning");
+                this.add_css_class("dino-input-error");
                 break;
         }
     }
 
     public void highlight_state_description() {
-        chat_input_status.get_style_context().add_class("input-status-highlight-once");
+        chat_input_status.add_css_class("input-status-highlight-once");
         Timeout.add_seconds(1, () => {
-            chat_input_status.get_style_context().remove_class("input-status-highlight-once");
+            chat_input_status.remove_css_class("input-status-highlight-once");
             return false;
         });
     }
diff --git a/main/src/ui/contact_details/blocking_provider.vala b/main/src/ui/contact_details/blocking_provider.vala
index 76e5d000..7e4a475d 100644
--- a/main/src/ui/contact_details/blocking_provider.vala
+++ b/main/src/ui/contact_details/blocking_provider.vala
@@ -19,7 +19,7 @@ public class BlockingProvider : Plugins.ContactDetailsProvider, Object {
 
         if (stream_interactor.get_module(BlockingManager.IDENTITY).is_supported(conversation.account)) {
             bool is_blocked = stream_interactor.get_module(BlockingManager.IDENTITY).is_blocked(conversation.account, conversation.counterpart);
-            Switch sw = new Switch() { active=is_blocked, valign=Align.CENTER, visible=true };
+            Switch sw = new Switch() { active=is_blocked, valign=Align.CENTER };
             sw.state_set.connect((state) => {
                 if (state) {
                     stream_interactor.get_module(BlockingManager.IDENTITY).block(conversation.account, conversation.counterpart);
diff --git a/main/src/ui/contact_details/dialog.vala b/main/src/ui/contact_details/dialog.vala
index b07ab9c9..36bef391 100644
--- a/main/src/ui/contact_details/dialog.vala
+++ b/main/src/ui/contact_details/dialog.vala
@@ -37,7 +37,18 @@ public class Dialog : Gtk.Dialog {
         title = conversation.type_ == Conversation.Type.GROUPCHAT ? _("Conference Details") : _("Contact Details");
         if (Util.use_csd()) {
             // TODO get_header_bar directly returns a HeaderBar in vala > 0.48
-//            ((HeaderBar) get_header_bar()).set_subtitle(Util.get_conversation_display_name(stream_interactor, conversation));
+            Box titles_box = new Box(Orientation.VERTICAL, 0) { valign=Align.CENTER };
+            var title_label = new Label(title);
+            title_label.attributes = new AttrList();
+            title_label.attributes.insert(Pango.attr_weight_new(Weight.BOLD));
+            titles_box.append(title_label);
+            var subtitle_label = new Label(Util.get_conversation_display_name(stream_interactor, conversation));
+            subtitle_label.attributes = new AttrList();
+            subtitle_label.attributes.insert(Pango.attr_scale_new(Pango.Scale.SMALL));
+            subtitle_label.add_css_class("dim-label");
+            titles_box.append(subtitle_label);
+
+            get_header_bar().set_title_widget(titles_box);
         }
         setup_top();
 
@@ -53,9 +64,10 @@ public class Dialog : Gtk.Dialog {
             provider.populate(conversation, contact_details, Plugins.WidgetType.GTK4);
         }
 
-//        destroy.connect(() => {
-//            contact_details.save();
-//        });
+        close_request.connect(() => {
+            contact_details.save();
+            return false;
+        });
     }
 
     private void setup_top() {
@@ -83,16 +95,16 @@ public class Dialog : Gtk.Dialog {
         Widget w = (Widget) wo;
         add_category(category);
 
-        ListBoxRow list_row = new ListBoxRow() { activatable=false, visible=true };
-        Box row = new Box(Orientation.HORIZONTAL, 20) { margin_start=15, margin_end=15, margin_top=3, margin_bottom=3, visible=true };
+        ListBoxRow list_row = new ListBoxRow() { activatable=false };
+        Box row = new Box(Orientation.HORIZONTAL, 20) { margin_start=15, margin_end=15, margin_top=3, margin_bottom=3 };
         list_row.set_child(row);
-        Label label_label = new Label(label) { xalign=0, yalign=0.5f, hexpand=true, visible=true };
+        Label label_label = new Label(label) { xalign=0, yalign=0.5f, hexpand=true };
         if (description != null && description != "") {
-            Box box = new Box(Orientation.VERTICAL, 0) { visible=true };
+            Box box = new Box(Orientation.VERTICAL, 0);
             box.append(label_label);
-            Label desc_label = new Label("") { xalign=0, yalign=0.5f, hexpand=true, visible=true };
+            Label desc_label = new Label("") { xalign=0, yalign=0.5f, hexpand=true };
             desc_label.set_markup("<span size='small'>%s</span>".printf(Markup.escape_text(description)));
-            desc_label.get_style_context().add_class("dim-label");
+            desc_label.add_css_class("dim-label");
             box.append(desc_label);
             row.append(box);
         } else {
@@ -101,11 +113,11 @@ public class Dialog : Gtk.Dialog {
 
         Widget widget = w;
         if (widget.get_type().is_a(typeof(Entry))) {
-            Util.EntryLabelHybrid hybrid = new Util.EntryLabelHybrid.wrap(widget as Entry) { xalign=1, visible=true };
+            Util.EntryLabelHybrid hybrid = new Util.EntryLabelHybrid.wrap(widget as Entry) { xalign=1 };
             hybrid_group.add(hybrid);
             widget = hybrid;
         } else if (widget.get_type().is_a(typeof(ComboBoxText))) {
-            Util.ComboBoxTextLabelHybrid hybrid = new Util.ComboBoxTextLabelHybrid.wrap(widget as ComboBoxText) { xalign=1, visible=true };
+            Util.ComboBoxTextLabelHybrid hybrid = new Util.ComboBoxTextLabelHybrid.wrap(widget as ComboBoxText) { xalign=1 };
             hybrid_group.add(hybrid);
             widget = hybrid;
         }
@@ -116,26 +128,26 @@ public class Dialog : Gtk.Dialog {
         row.append(widget);
         categories[category].append(list_row);
 
+        int width = get_content_area().get_width();
         int pref_height, pref_width;
-//        get_content_area().get_preferred_height(null, out pref_height);
-//        get_preferred_width(out pref_width, null);
-//        resize(pref_width, int.min(500, pref_height));
+        get_content_area().measure(Orientation.VERTICAL, width, null, out pref_height, null, null);
+        default_height = pref_height;
     }
 
     private void add_category(string category) {
         if (!categories.has_key(category)) {
-            ListBox list_box = new ListBox() { selection_mode=SelectionMode.NONE, visible=true };
+            ListBox list_box = new ListBox() { selection_mode=SelectionMode.NONE };
             categories[category] = list_box;
             list_box.set_header_func((row, before_row) => {
                 if (row.get_header() == null && before_row != null) {
                     row.set_header(new Separator(Orientation.HORIZONTAL));
                 }
             });
-            Box box = new Box(Orientation.VERTICAL, 5) { margin_top=12, margin_bottom=12, visible=true };
-            Label category_label = new Label("") { xalign=0, visible=true };
+            Box box = new Box(Orientation.VERTICAL, 5) { margin_top=12, margin_bottom=12 };
+            Label category_label = new Label("") { xalign=0 };
             category_label.set_markup(@"<b>$(Markup.escape_text(category))</b>");
             box.append(category_label);
-            Frame frame = new Frame(null) { visible=true };
+            Frame frame = new Frame(null);
             frame.set_child(list_box);
             box.append(frame);
             main_box.append(box);
diff --git a/main/src/ui/contact_details/permissions_provider.vala b/main/src/ui/contact_details/permissions_provider.vala
index d87658ff..ed0756e8 100644
--- a/main/src/ui/contact_details/permissions_provider.vala
+++ b/main/src/ui/contact_details/permissions_provider.vala
@@ -20,7 +20,7 @@ public class PermissionsProvider : Plugins.ContactDetailsProvider, Object {
         if (own_jid == null) return;
 
         if (stream_interactor.get_module(MucManager.IDENTITY).get_role(own_jid, conversation.account) == Xmpp.Xep.Muc.Role.VISITOR){
-            Button voice_request = new Button.with_label(_("Request")) { visible=true };
+            Button voice_request = new Button.with_label(_("Request"));
             voice_request.clicked.connect(()=>stream_interactor.get_module(MucManager.IDENTITY).request_voice(conversation.account, conversation.counterpart));
             contact_details.add(_("Permissions"), _("Request permission to send messages"), "", voice_request);
         }
diff --git a/main/src/ui/contact_details/settings_provider.vala b/main/src/ui/contact_details/settings_provider.vala
index 42c690e5..140ebcab 100644
--- a/main/src/ui/contact_details/settings_provider.vala
+++ b/main/src/ui/contact_details/settings_provider.vala
@@ -39,7 +39,7 @@ public class SettingsProvider : Plugins.ContactDetailsProvider, Object {
             combobox_notifications.active_id = get_notify_setting_id(conversation.notify_setting);
             combobox_notifications.changed.connect(() => { conversation.notify_setting = get_notify_setting(combobox_notifications.active_id); } );
         } else if (conversation.type_ == Conversation.Type.GROUPCHAT) {
-            ComboBoxText combobox = new ComboBoxText() { visible=true };
+            ComboBoxText combobox = new ComboBoxText();
             combobox.append("default", get_notify_setting_string(Conversation.NotifySetting.DEFAULT, conversation.get_notification_default_setting(stream_interactor)));
             combobox.append("highlight", get_notify_setting_string(Conversation.NotifySetting.HIGHLIGHT));
             combobox.append("on", get_notify_setting_string(Conversation.NotifySetting.ON));
@@ -119,7 +119,7 @@ public class SettingsProvider : Plugins.ContactDetailsProvider, Object {
 
     private ComboBoxText get_combobox(bool default_val) {
         ComboBoxText combobox = new ComboBoxText();
-        combobox = new ComboBoxText() { visible=true };
+        combobox = new ComboBoxText();
         string default_setting = default_val ? _("On") : _("Off");
         combobox.append("default", _("Default: %s").printf(default_setting) );
         combobox.append("on", _("On"));
diff --git a/main/src/ui/conversation_content/conversation_item_factory.vala b/main/src/ui/conversation_content/conversation_item_factory.vala
deleted file mode 100644
index 29a83785..00000000
--- a/main/src/ui/conversation_content/conversation_item_factory.vala
+++ /dev/null
@@ -1,36 +0,0 @@
-using Gtk;
-
-namespace Dino.Ui {
-
-    public static ListItemFactory get_item_factory() {
-        SignalListItemFactory item_factory = new SignalListItemFactory();
-        item_factory.setup.connect((list_item) => { on_setup(list_item); });
-        item_factory.bind.connect((list_item) => { on_bind(list_item); });
-        return item_factory;
-    }
-
-    public static void on_setup(ListItem listitem) {
-        listitem.child = new ConversationItemWidget();
-    }
-
-    public static void on_bind(ListItem listitem) {
-        MessageViewModel view_model = (MessageViewModel) listitem.get_item();
-        ConversationItemWidget view = (ConversationItemWidget) listitem.get_child();
-
-        view_model.bind_property("name", view.name_label, "label", BindingFlags.SYNC_CREATE);
-        view_model.bind_property("time", view.time_label, "label", BindingFlags.SYNC_CREATE);
-
-        Label? label = view.content_widget as Label;
-        if (label == null) {
-            label = new Label("") { use_markup=true, xalign=0, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, hexpand=true, vexpand=true };
-            view.set_content_widget(label);
-        }
-        view_model.bind_property("message", label, "label", BindingFlags.SYNC_CREATE);
-
-        view_model.bind_property("encryption-icon-name", view.encrypted_image, "icon-name", BindingFlags.SYNC_CREATE);
-        view_model.bind_property("encryption-icon-tooltip", view.encrypted_image, "tooltip-text", BindingFlags.SYNC_CREATE);
-
-        view_model.bind_property("marked-icon-name", view.marked_image, "icon-name", BindingFlags.SYNC_CREATE);
-        view_model.bind_property("marked-icon-tooltip", view.marked_image, "tooltip-text", BindingFlags.SYNC_CREATE);
-    }
-}
\ No newline at end of file
diff --git a/main/src/ui/conversation_content_view/call_widget.vala b/main/src/ui/conversation_content_view/call_widget.vala
index 645c31c1..df4b7386 100644
--- a/main/src/ui/conversation_content_view/call_widget.vala
+++ b/main/src/ui/conversation_content_view/call_widget.vala
@@ -20,7 +20,7 @@ namespace Dino.Ui {
         public override Object? get_widget(Plugins.ConversationItemWidgetInterface outer, Plugins.WidgetType type) {
             CallItem call_item = content_item as CallItem;
             CallState? call_state = stream_interactor.get_module(Calls.IDENTITY).call_states[call_item.call];
-            return new CallWidget(stream_interactor, call_item.call, call_state, call_item.conversation) { visible=true };
+            return new CallWidget(stream_interactor, call_item.call, call_state, call_item.conversation);
         }
 
         public override Gee.List<Plugins.MessageAction>? get_item_actions(Plugins.WidgetType type) { return null; }
@@ -94,17 +94,17 @@ namespace Dino.Ui {
             }
 
             foreach (Jid counterpart in call.counterparts) {
-                AvatarImage image = new AvatarImage() { force_gray=true, margin_top=2, visible=true };
+                AvatarImage image = new AvatarImage() { force_gray=true, margin_top=2 };
                 image.set_conversation_participant(stream_interactor, conversation, counterpart.bare_jid);
                 multiparty_peer_box.append(image);
                 multiparty_peer_widgets.add(image);
             }
-            AvatarImage image2 = new AvatarImage() { force_gray=true, margin_top=2, visible=true };
+            AvatarImage image2 = new AvatarImage() { force_gray=true, margin_top=2 };
             image2.set_conversation_participant(stream_interactor, conversation, call.account.bare_jid);
             multiparty_peer_box.append(image2);
             multiparty_peer_widgets.add(image2);
 
-            outer_additional_box.get_style_context().add_class("multiparty-participants");
+            outer_additional_box.add_css_class("multiparty-participants");
 
             multiparty_peer_box.visible = true;
             incoming_call_box.visible = false;
@@ -113,8 +113,8 @@ namespace Dino.Ui {
 
         private void update_call_state() {
             incoming_call_revealer.reveal_child = false;
-            incoming_call_revealer.get_style_context().remove_class("incoming");
-            outer_additional_box.get_style_context().remove_class("incoming-call-box");
+            incoming_call_revealer.remove_css_class("incoming");
+            outer_additional_box.remove_css_class("incoming-call-box");
 
             // It doesn't make sense to display MUC calls as missed or declined by the whole MUC. Just display as ended.
             // TODO: maybe not let them be missed/declined in first place.
@@ -139,8 +139,8 @@ namespace Dino.Ui {
                             subtitle_label.label = "Ring ring…!";
                             incoming_call_box.visible = true;
                             incoming_call_revealer.reveal_child = true;
-                            incoming_call_revealer.get_style_context().add_class("incoming");
-                            outer_additional_box.get_style_context().add_class("incoming-call-box");
+                            incoming_call_revealer.add_css_class("incoming");
+                            outer_additional_box.add_css_class("incoming-call-box");
                         } else {
                             subtitle_label.label = "Dependencies for call support not met";
                         }
diff --git a/main/src/ui/conversation_content_view/chat_state_populator.vala b/main/src/ui/conversation_content_view/chat_state_populator.vala
index 0665caac..803739c8 100644
--- a/main/src/ui/conversation_content_view/chat_state_populator.vala
+++ b/main/src/ui/conversation_content_view/chat_state_populator.vala
@@ -77,11 +77,11 @@ private class MetaChatStateItem : Plugins.MetaConversationItem {
     }
 
     public override Object? get_widget(Plugins.ConversationItemWidgetInterface outer, Plugins.WidgetType widget_type) {
-        label = new Label("") { xalign=0, vexpand=true, visible=true };
-        label.get_style_context().add_class("dim-label");
-        image = new AvatarImage() { margin_top=2, valign=Align.START, visible=true };
+        label = new Label("") { xalign=0, vexpand=true };
+        label.add_css_class("dim-label");
+        image = new AvatarImage() { margin_top=2, valign=Align.START };
 
-        Box image_content_box = new Box(Orientation.HORIZONTAL, 8) { visible=true };
+        Box image_content_box = new Box(Orientation.HORIZONTAL, 8);
         image_content_box.append(image);
         image_content_box.append(label);
 
diff --git a/main/src/ui/conversation_content_view/conversation_item_skeleton.vala b/main/src/ui/conversation_content_view/conversation_item_skeleton.vala
index 3e4ce88b..ae2d835f 100644
--- a/main/src/ui/conversation_content_view/conversation_item_skeleton.vala
+++ b/main/src/ui/conversation_content_view/conversation_item_skeleton.vala
@@ -18,7 +18,12 @@ public class ConversationItemSkeleton : Plugins.ConversationItemWidgetInterface,
 
     public Widget? content_widget = null;
 
-    public bool show_skeleton { get; set; default=false; }
+    private bool show_skeleton_ = false;
+    public bool show_skeleton {
+        get { return show_skeleton_; }
+        set {
+            show_skeleton_ = value && content_meta_item != null && content_meta_item.requires_header && content_meta_item.requires_avatar; }
+    }
     public bool last_group_item { get; set; default=true; }
 
     public StreamInteractor stream_interactor;
@@ -26,7 +31,7 @@ public class ConversationItemSkeleton : Plugins.ConversationItemWidgetInterface,
     public Plugins.MetaConversationItem item;
     public bool item_in_edit_mode { get; set; }
     public Entities.Message.Marked item_mark { get; set; }
-    public ContentMetaItem? content_meta_item = null;
+    public ContentMetaItem content_meta_item = null;
     public Widget? widget = null;
 
     private uint time_update_timeout = 0;
@@ -40,7 +45,7 @@ public class ConversationItemSkeleton : Plugins.ConversationItemWidgetInterface,
 
         Builder builder = new Builder.from_resource("/im/dino/Dino/conversation_item_widget.ui");
         main_grid = (Grid) builder.get_object("main_grid");
-        main_grid.get_style_context().add_class("message-box");
+        main_grid.add_css_class("message-box");
         name_label = (Label) builder.get_object("name_label");
         time_label = (Label) builder.get_object("time_label");
         avatar_image = (AvatarImage) builder.get_object("avatar_image");
@@ -65,7 +70,7 @@ public class ConversationItemSkeleton : Plugins.ConversationItemWidgetInterface,
     }
 
     private void set_header() {
-        if (!show_skeleton || !item.requires_header) return;
+        if (!show_skeleton) return;
 
         update_name_label();
 //            name_label.style_updated.connect(update_name_label);
@@ -102,34 +107,32 @@ public class ConversationItemSkeleton : Plugins.ConversationItemWidgetInterface,
         encryption_image.visible = show_skeleton;
         received_image.visible = show_skeleton;
 
-        if (show_skeleton) {
-            main_grid.get_style_context().add_class("has-skeleton");
+        if (show_skeleton || content_meta_item == null) {
+            main_grid.add_css_class("has-skeleton");
         }
 
         if (last_group_item) {
-            main_grid.get_style_context().add_class("last-group-item");
+            main_grid.add_css_class("last-group-item");
         }
     }
 
     private void update_edit_mode() {
         if (item.in_edit_mode) {
-            main_grid.get_style_context().add_class("edit-mode");
+            main_grid.add_css_class("edit-mode");
         } else {
-            main_grid.get_style_context().remove_class("edit-mode");
+            main_grid.remove_css_class("edit-mode");
         }
     }
 
     private void update_error_mode() {
         if (item_mark == Message.Marked.ERROR) {
-            main_grid.get_style_context().add_class("error");
+            main_grid.add_css_class("error");
         } else {
-            main_grid.get_style_context().remove_class("error");
+            main_grid.remove_css_class("error");
         }
     }
 
     private void update_encryption_icon() {
-        encryption_image.visible = true;
-
         Application app = GLib.Application.get_default() as Application;
 
         ContentMetaItem ci = item as ContentMetaItem;
@@ -141,7 +144,8 @@ public class ConversationItemSkeleton : Plugins.ConversationItemWidgetInterface,
                     break;
                 }
             }
-            encryption_image.icon_name = icon_name ?? "dino-changes-prevent-symbolic";
+            encryption_image.icon_name = icon_name ?? "changes-prevent-symbolic";
+            encryption_image.visible = true;
         }
 
         if (item.encryption == Encryption.NONE) {
@@ -149,6 +153,7 @@ public class ConversationItemSkeleton : Plugins.ConversationItemWidgetInterface,
                 encryption_image.icon_name = "dino-changes-allowed-symbolic";
                 encryption_image.tooltip_text = _("Unencrypted");
                 Util.force_error_color(encryption_image);
+                encryption_image.visible = true;
             } else if (conversation.encryption == Encryption.NONE) {
                 encryption_image.icon_name = null;
                 encryption_image.visible = false;
@@ -176,8 +181,11 @@ public class ConversationItemSkeleton : Plugins.ConversationItemWidgetInterface,
             case Message.Marked.READ: received_image.icon_name = "dino-double-tick-symbolic"; break;
             case Message.Marked.WONTSEND:
                 received_image.icon_name = "dialog-warning-symbolic";
-                received_image.icon_name = _("Unable to send message");
-                // TODO error color on marked icon and time
+                Util.force_error_color(received_image);
+                Util.force_error_color(time_label);
+                string error_text = _("Unable to send message");
+                received_image.tooltip_text = error_text;
+                time_label.tooltip_text = error_text;
                 break;
             default: received_image.icon_name = null; break;
         }
diff --git a/main/src/ui/conversation_content_view/conversation_view.vala b/main/src/ui/conversation_content_view/conversation_view.vala
index 8d46281f..bfee3cbb 100644
--- a/main/src/ui/conversation_content_view/conversation_view.vala
+++ b/main/src/ui/conversation_content_view/conversation_view.vala
@@ -108,7 +108,7 @@ public class ConversationView : Widget, Plugins.ConversationItemCollection, Plug
 
     private void on_leave_notify_event() {
         if (currently_highlighted != null) {
-            currently_highlighted.get_style_context().remove_class("highlight");
+            currently_highlighted.remove_css_class("highlight");
             currently_highlighted = null;
         }
         message_menu_box.visible = false;
@@ -134,7 +134,7 @@ public class ConversationView : Widget, Plugins.ConversationItemCollection, Plug
             }
         };
 
-        if (currently_highlighted != null) currently_highlighted.get_style_context().remove_class("highlight");
+        if (currently_highlighted != null) currently_highlighted.remove_css_class("highlight");
 
         currently_highlighted = null;
         current_meta_item = null;
@@ -160,7 +160,7 @@ public class ConversationView : Widget, Plugins.ConversationItemCollection, Plug
         if (current_meta_item != null) {
             // Highlight widget
             currently_highlighted = w;
-            currently_highlighted.get_style_context().add_class("highlight");
+            currently_highlighted.add_css_class("highlight");
 
             // Move message menu
             message_menu_box.margin_top = (int)(widget_y - 10);
@@ -233,7 +233,7 @@ public class ConversationView : Widget, Plugins.ConversationItemCollection, Plug
                 i++;
             }
             scrolled.vadjustment.value = h - scrolled.vadjustment.page_size * 1/3;
-            w.get_style_context().add_class("highlight-once");
+            w.add_css_class("highlight-once");
             reload_messages = true;
             stack.set_visible_child_name("main");
             return false;
@@ -414,6 +414,7 @@ public class ConversationView : Widget, Plugins.ConversationItemCollection, Plug
                 });
             }
         } else if (scrolled.vadjustment.value < scrolled.vadjustment.upper - scrolled.vadjustment.page_size - 1) {
+            print("move!\n");
             scrolled.vadjustment.value = scrolled.vadjustment.upper - was_upper + scrolled.vadjustment.value; // stay at same content
         }
         was_upper = scrolled.vadjustment.upper;
diff --git a/main/src/ui/conversation_content_view/date_separator_populator.vala b/main/src/ui/conversation_content_view/date_separator_populator.vala
index 40bf0693..25ef7a51 100644
--- a/main/src/ui/conversation_content_view/date_separator_populator.vala
+++ b/main/src/ui/conversation_content_view/date_separator_populator.vala
@@ -83,12 +83,12 @@ public class DateSeparatorWidget : Box {
         visible = true;
         this.date = date;
 
-        label = new Label("") { use_markup=true, halign=Align.CENTER, hexpand=false, visible=true };
-        label.get_style_context().add_class("dim-label");
+        label = new Label("") { use_markup=true, halign=Align.CENTER, hexpand=false };
+        label.add_css_class("dim-label");
 
-        this.append(new Separator(Orientation.HORIZONTAL) { valign=Align.CENTER, hexpand=true, visible=true });
+        this.append(new Separator(Orientation.HORIZONTAL) { valign=Align.CENTER, hexpand=true });
         this.append(label);
-        this.append(new Separator(Orientation.HORIZONTAL) { valign=Align.CENTER, hexpand=true, visible=true });
+        this.append(new Separator(Orientation.HORIZONTAL) { valign=Align.CENTER, hexpand=true });
 
         update_time();
     }
diff --git a/main/src/ui/conversation_content_view/file_default_widget.vala b/main/src/ui/conversation_content_view/file_default_widget.vala
index 3bd5842f..9efc130f 100644
--- a/main/src/ui/conversation_content_view/file_default_widget.vala
+++ b/main/src/ui/conversation_content_view/file_default_widget.vala
@@ -9,6 +9,7 @@ namespace Dino.Ui {
 [GtkTemplate (ui = "/im/dino/Dino/file_default_widget.ui")]
 public class FileDefaultWidget : Box {
 
+    public signal void clicked();
     public signal void open_file();
     public signal void save_file_as();
     public signal void cancel_download();
@@ -35,6 +36,7 @@ public class FileDefaultWidget : Box {
         this_motion_events.leave.connect(on_pointer_left_event);
 
         GestureClick gesture_click_controller = new GestureClick();
+        gesture_click_controller.set_button(1); // listen for left clicks
         this.add_controller(gesture_click_controller);
         gesture_click_controller.pressed.connect((n_press, x, y) => {
             // Check whether the click was inside the file menu. Otherwise, open the file.
@@ -42,7 +44,7 @@ public class FileDefaultWidget : Box {
             this.translate_coordinates(file_menu, x, y, out x_button, out y_button);
             if (file_menu.contains(x_button, y_button)) return;
 
-            this.open_file();
+            this.clicked();
         });
     }
 
diff --git a/main/src/ui/conversation_content_view/file_image_widget.vala b/main/src/ui/conversation_content_view/file_image_widget.vala
index aad220e8..285e397e 100644
--- a/main/src/ui/conversation_content_view/file_image_widget.vala
+++ b/main/src/ui/conversation_content_view/file_image_widget.vala
@@ -15,7 +15,7 @@ public class FileImageWidget : Box {
     public FileImageWidget() {
         this.halign = Align.START;
 
-        this.get_style_context().add_class("file-image-widget");
+        this.add_css_class("file-image-widget");
     }
 
     public async void load_from_file(File file, string file_name, int MAX_WIDTH=600, int MAX_HEIGHT=300) throws GLib.Error {
@@ -52,7 +52,7 @@ public class FileImageWidget : Box {
         file_default_widget_controller = new FileDefaultWidgetController(file_default_widget);
         file_default_widget_controller.set_file(file, file_name, mime_type);
 
-        Overlay overlay = new Overlay() { visible=true };
+        Overlay overlay = new Overlay();
         overlay.set_child(image);
         overlay.add_overlay(file_default_widget);
         overlay.set_measure_overlay(image, true);
diff --git a/main/src/ui/conversation_content_view/file_widget.vala b/main/src/ui/conversation_content_view/file_widget.vala
index 6378c298..8dbc3dc8 100644
--- a/main/src/ui/conversation_content_view/file_widget.vala
+++ b/main/src/ui/conversation_content_view/file_widget.vala
@@ -19,7 +19,7 @@ public class FileMetaItem : ConversationSummary.ContentMetaItem {
     public override Object? get_widget(Plugins.ConversationItemWidgetInterface outer, Plugins.WidgetType type) {
         FileItem file_item = content_item as FileItem;
         FileTransfer transfer = file_item.file_transfer;
-        return new FileWidget(stream_interactor, transfer) { visible=true };
+        return new FileWidget(stream_interactor, transfer);
     }
 
     public override Gee.List<Plugins.MessageAction>? get_item_actions(Plugins.WidgetType type) { return null; }
@@ -70,7 +70,7 @@ public class FileWidget : SizeRequestBox {
 
             FileImageWidget file_image_widget = null;
             try {
-                file_image_widget = new FileImageWidget() { visible=true };
+                file_image_widget = new FileImageWidget();
                 yield file_image_widget.load_from_file(file_transfer.get_file(), file_transfer.file_name);
 
                 // If the widget changed in the meanwhile, stop
@@ -86,7 +86,7 @@ public class FileWidget : SizeRequestBox {
 
         if (state != State.DEFAULT) {
             if (content != null) this.remove(content);
-            FileDefaultWidget default_file_widget = new FileDefaultWidget() { visible=true };
+            FileDefaultWidget default_file_widget = new FileDefaultWidget();
             default_widget_controller = new FileDefaultWidgetController(default_file_widget);
             default_widget_controller.set_file_transfer(file_transfer, stream_interactor);
             content = default_file_widget;
@@ -129,14 +129,10 @@ public class FileDefaultWidgetController : Object {
     public FileDefaultWidgetController(FileDefaultWidget widget) {
         this.widget = widget;
 
+        widget.clicked.connect(on_clicked);
         widget.open_file.connect(open_file);
         widget.save_file_as.connect(save_file);
         widget.cancel_download.connect(cancel_download);
-
-        var gesture_controller = new GestureClick();
-        gesture_controller.set_button(1); // listen for left clicks
-        gesture_controller.released.connect(on_clicked);
-        widget.add_controller(gesture_controller);
     }
 
     public void set_file_transfer(FileTransfer file_transfer, StreamInteractor stream_interactor) {
diff --git a/main/src/ui/conversation_content_view/message_item_widget.vala b/main/src/ui/conversation_content_view/message_item_widget.vala
deleted file mode 100644
index 23a499d9..00000000
--- a/main/src/ui/conversation_content_view/message_item_widget.vala
+++ /dev/null
@@ -1,229 +0,0 @@
-using Dino.Entities;
-using Gtk;
-
-namespace Dino.Ui {
-    public class MessageItemWidget : SizeRequestBin {
-
-        public signal void edit_cancelled();
-        public signal void edit_sent(string text);
-
-        enum AdditionalInfo {
-            NONE,
-            PENDING,
-            DELIVERY_FAILED
-        }
-
-        StreamInteractor stream_interactor;
-        public ContentItem content_item;
-        public Message.Marked marked { get; set; }
-
-        Label label = new Label("") { use_markup=true, xalign=0, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, vexpand=true, visible=true };
-        MessageItemEditMode? edit_mode = null;
-        ChatTextViewController? controller = null;
-        AdditionalInfo additional_info = AdditionalInfo.NONE;
-
-        ulong realize_id = -1;
-        ulong style_updated_id = -1;
-        ulong marked_notify_handler_id = -1;
-
-        construct {
-            this.append(label);
-            label.activate_link.connect(on_label_activate_link);
-            this.size_request_mode = SizeRequestMode.HEIGHT_FOR_WIDTH;
-        }
-
-        public MessageItemWidget(StreamInteractor stream_interactor, ContentItem content_item) {
-            this.stream_interactor = stream_interactor;
-            this.content_item = content_item;
-
-            Message message = ((MessageItem) content_item).message;
-            if (message.direction == Message.DIRECTION_SENT && !(message.marked in Message.MARKED_RECEIVED)) {
-                var binding = message.bind_property("marked", this, "marked");
-                marked_notify_handler_id = this.notify["marked"].connect(() => {
-                    // Currently "pending", but not anymore
-                    if (additional_info == AdditionalInfo.PENDING &&
-                            message.marked != Message.Marked.SENDING && message.marked != Message.Marked.UNSENT) {
-                        update_label();
-                    }
-
-                    // Currently "error", but not anymore
-                    if (additional_info == AdditionalInfo.DELIVERY_FAILED && message.marked != Message.Marked.ERROR) {
-                        update_label();
-                    }
-
-                        // Currently not error, but should be
-                    if (additional_info != AdditionalInfo.DELIVERY_FAILED && message.marked == Message.Marked.ERROR) {
-                        update_label();
-                    }
-
-                        // Nothing bad can happen anymore
-                    if (message.marked in Message.MARKED_RECEIVED) {
-                        binding.unbind();
-                        this.disconnect(marked_notify_handler_id);
-                    }
-                });
-            }
-
-            update_label();
-        }
-
-        public void set_edit_mode() {
-
-            MessageItem message_item = content_item as MessageItem;
-            Message message = message_item.message;
-
-            if (edit_mode == null) {
-                edit_mode = new MessageItemEditMode();
-                controller = new ChatTextViewController(edit_mode.chat_text_view, stream_interactor);
-                Conversation conversation = message_item.conversation;
-                controller.initialize_for_conversation(conversation);
-
-                edit_mode.cancelled.connect(() => {
-                    edit_cancelled();
-                    unset_edit_mode();
-                });
-                edit_mode.send.connect(() => {
-                    if (((MessageItem) content_item).message.body != edit_mode.chat_text_view.text_view.buffer.text) {
-                        edit_sent(edit_mode.chat_text_view.text_view.buffer.text);
-                    } else {
-                        edit_cancelled();
-                    }
-                    unset_edit_mode();
-                });
-            }
-
-            edit_mode.chat_text_view.text_view.buffer.text = message.body;
-
-            this.remove(label);
-            this.append(edit_mode);
-
-            edit_mode.chat_text_view.text_view.grab_focus();
-        }
-
-        public void unset_edit_mode() {
-            this.remove(edit_mode);
-            this.append(label);
-            label.grab_focus();
-            label.selectable = false;
-            label.selectable = true;
-        }
-
-        public void update_label() {
-            label.label = generate_markup_text(content_item);
-        }
-
-        private string generate_markup_text(ContentItem item) {
-            MessageItem message_item = item as MessageItem;
-            Conversation conversation = message_item.conversation;
-            Message message = message_item.message;
-
-            bool theme_dependent = false;
-
-            string markup_text = message.body;
-            if (markup_text.length > 10000) {
-                markup_text = markup_text.substring(0, 10000) + " [" + _("Message too long") + "]";
-            }
-            if (message.body.has_prefix("/me ")) {
-                markup_text = markup_text.substring(4);
-            }
-
-            if (conversation.type_ == Conversation.Type.GROUPCHAT) {
-                markup_text = Util.parse_add_markup_theme(markup_text, conversation.nickname, true, true, true, Util.is_dark_theme(this), ref theme_dependent);
-            } else {
-                markup_text = Util.parse_add_markup_theme(markup_text, null, true, true, true, Util.is_dark_theme(this), ref theme_dependent);
-            }
-
-            if (message.body.has_prefix("/me ")) {
-                string display_name = Util.get_participant_display_name(stream_interactor, conversation, message.from);
-                markup_text = @"<i><b>$(Markup.escape_text(display_name))</b> " + markup_text + "</i>";
-            }
-
-            int only_emoji_count = Util.get_only_emoji_count(markup_text);
-            if (only_emoji_count != -1) {
-                string size_str = only_emoji_count < 5 ? "xx-large" : "large";
-                markup_text = @"<span size=\'$size_str\'>" + markup_text + "</span>";
-            }
-
-            string dim_color = Util.is_dark_theme(this) ? "#BDBDBD" : "#707070";
-
-            if (message.edit_to != null) {
-                markup_text += @"  <span size='small' color='$dim_color'>(%s)</span>".printf(_("edited"));
-                theme_dependent = true;
-            }
-
-            // Append message status info
-            additional_info = AdditionalInfo.NONE;
-            if (message.direction == Message.DIRECTION_SENT && (message.marked == Message.Marked.SENDING || message.marked == Message.Marked.UNSENT)) {
-                // Append "pending..." iff message has not been sent yet
-            if (message.time.compare(new DateTime.now_utc().add_seconds(-10)) < 0) {
-                    markup_text += @"  <span size='small' color='$dim_color'>%s</span>".printf(_("pending…"));
-                    theme_dependent = true;
-                    additional_info = AdditionalInfo.PENDING;
-                } else {
-                    int time_diff = (- (int) message.time.difference(new DateTime.now_utc()) / 1000);
-                    Timeout.add(10000 - time_diff, () => {
-                        update_label();
-                        return false;
-                    });
-                }
-            } else if (message.direction == Message.DIRECTION_SENT && message.marked == Message.Marked.ERROR) {
-                // Append "delivery failed" if there was a server error
-            string error_color = Util.rgba_to_hex(Util.get_label_pango_color(label, "@error_color"));
-                markup_text += "  <span size='small' color='%s'>%s</span>".printf(error_color, _("delivery failed"));
-                theme_dependent = true;
-                additional_info = AdditionalInfo.DELIVERY_FAILED;
-            }
-
-            if (theme_dependent && realize_id == -1) {
-                realize_id = label.realize.connect(update_label);
-                //            style_updated_id = label.style_updated.connect(update_label);
-        } else if (!theme_dependent && realize_id != -1) {
-                label.disconnect(realize_id);
-                label.disconnect(style_updated_id);
-            }
-            return markup_text;
-        }
-
-        public static bool on_label_activate_link(string uri) {
-            // Always handle xmpp URIs with Dino
-            if (!uri.has_prefix("xmpp:")) return false;
-            File file = File.new_for_uri(uri);
-            Dino.Application.get_default().open(new File[]{file}, "");
-            return true;
-        }
-    }
-
-    [GtkTemplate (ui = "/im/dino/Dino/message_item_widget_edit_mode.ui")]
-    public class MessageItemEditMode : Box {
-
-        public signal void cancelled();
-        public signal void send();
-
-        [GtkChild] public unowned MenuButton emoji_button;
-        [GtkChild] public unowned ChatTextView chat_text_view;
-        [GtkChild] public unowned Button cancel_button;
-        [GtkChild] public unowned Button send_button;
-        [GtkChild] public unowned Frame frame;
-
-        construct {
-            Util.force_css(frame, "* { border-radius: 3px; }");
-
-            EmojiChooser chooser = new EmojiChooser();
-            chooser.emoji_picked.connect((emoji) => {
-                chat_text_view.text_view.buffer.insert_at_cursor(emoji, emoji.data.length);
-            });
-            emoji_button.set_popover(chooser);
-
-            chat_text_view.text_view.buffer.changed.connect_after(on_text_view_changed);
-
-            cancel_button.clicked.connect(() => cancelled());
-            send_button.clicked.connect(() => send());
-            chat_text_view.cancel_input.connect(() => cancelled());
-            chat_text_view.send_text.connect(() => send());
-        }
-
-        private void on_text_view_changed() {
-            send_button.sensitive = chat_text_view.text_view.buffer.text != "";
-        }
-    }
-}
\ No newline at end of file
diff --git a/main/src/ui/conversation_content_view/message_widget.vala b/main/src/ui/conversation_content_view/message_widget.vala
index 3ebce0ee..346a6f71 100644
--- a/main/src/ui/conversation_content_view/message_widget.vala
+++ b/main/src/ui/conversation_content_view/message_widget.vala
@@ -28,7 +28,7 @@ public class MessageMetaItem : ContentMetaItem {
     ulong style_updated_id = -1;
     ulong marked_notify_handler_id = -1;
 
-    public Label label = new Label("") { use_markup=true, xalign=0, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, hexpand=true, vexpand=true, can_focus=false };
+    public Label label = new Label("") { use_markup=true, xalign=0, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, hexpand=true, vexpand=true };
 
     public MessageMetaItem(ContentItem content_item, StreamInteractor stream_interactor) {
         base(content_item);
diff --git a/main/src/ui/conversation_content_view/subscription_notification.vala b/main/src/ui/conversation_content_view/subscription_notification.vala
index 1f0f39d8..b825f4ad 100644
--- a/main/src/ui/conversation_content_view/subscription_notification.vala
+++ b/main/src/ui/conversation_content_view/subscription_notification.vala
@@ -33,9 +33,9 @@ public class SubscriptionNotitication : Object {
     }
 
     private void show_notification() {
-        Box box = new Box(Orientation.HORIZONTAL, 5) { visible=true };
-        Button accept_button = new Button.with_label(_("Accept")) { visible=true };
-        Button deny_button = new Button.with_label(_("Deny")) { visible=true };
+        Box box = new Box(Orientation.HORIZONTAL, 5);
+        Button accept_button = new Button.with_label(_("Accept"));
+        Button deny_button = new Button.with_label(_("Deny"));
         GLib.Application app = GLib.Application.get_default();
         accept_button.clicked.connect(() => {
             app.activate_action("accept-subscription", conversation.id);
@@ -45,7 +45,7 @@ public class SubscriptionNotitication : Object {
             app.activate_action("deny-subscription", conversation.id);
             conversation_view.remove_notification(box);
         });
-        box.append(new Label(_("This contact would like to add you to their contact list")) { margin_end=10, visible=true });
+        box.append(new Label(_("This contact would like to add you to their contact list")) { margin_end=10 });
         box.append(accept_button);
         box.append(deny_button);
         conversation_view.add_notification(box);
diff --git a/main/src/ui/conversation_list/conversation_list_item_factory.vala b/main/src/ui/conversation_list/conversation_list_item_factory.vala
deleted file mode 100644
index dc26d2f1..00000000
--- a/main/src/ui/conversation_list/conversation_list_item_factory.vala
+++ /dev/null
@@ -1,245 +0,0 @@
-using Gtk;
-using Dino.Entities;
-using Dino;
-using Gee;
-using Pango;
-using Xmpp;
-
-namespace Dino.Ui.ConversationList {
-
-    public static ListItemFactory get_item_factory() {
-        SignalListItemFactory item_factory = new SignalListItemFactory();
-        item_factory.setup.connect((list_item) => { on_setup(list_item); });
-        item_factory.bind.connect((list_item) => { on_bind(list_item); });
-        return item_factory;
-    }
-
-    public static void on_setup(ListItem listitem) {
-        listitem.child = new ConversationListRow();
-    }
-
-    public static void on_bind(ListItem listitem) {
-        ConversationViewModel list_model = (ConversationViewModel) listitem.get_item();
-        ConversationListRow view = (ConversationListRow) listitem.get_child();
-        StreamInteractor stream_interactor = list_model.stream_interactor;
-
-        list_model.bind_property("name", view.name_label, "label");
-        list_model.notify["latest-content-item"].connect((obj, _) => {
-            update_content_item(view, list_model.conversation, stream_interactor, ((ConversationViewModel) obj).latest_content_item);
-        });
-        list_model.notify["unread-count"].connect((obj, _) => {
-            update_read(view, list_model.conversation, stream_interactor, (int) obj);
-        });
-
-        view.x_button.clicked.connect(() => list_model.closed() );
-
-        ConversationViewModel view_model = (ConversationViewModel) listitem.get_item();
-        view.name_label.label = view_model.name;
-        if (view_model.latest_content_item != null) {
-            update_content_item(view, view_model.conversation, stream_interactor, view_model.latest_content_item);
-        }
-        update_read(view, view_model.conversation, stream_interactor, view_model.unread_count);
-    }
-
-    private static void update_content_item(ConversationListRow view, Conversation conversation, StreamInteractor stream_interactor, ContentItem last_content_item) {
-        view.time_label.label = get_relative_time(last_content_item.time.to_local());
-        view.image.set_conversation(stream_interactor, conversation);
-
-        Label nick_label = view.nick_label;
-        Label message_label = view.message_label;
-
-        switch (last_content_item.type_) {
-            case MessageItem.TYPE:
-                MessageItem message_item = last_content_item as MessageItem;
-                Message last_message = message_item.message;
-
-                string body = last_message.body;
-                bool me_command = body.has_prefix("/me ");
-
-                /* If we have a /me command, we always show the display
-                 * name, and we don't set me_is_me on
-                 * get_participant_display_name, since that will return
-                 * "Me" (internationalized), whereas /me commands expect to
-                 * be in the third person. We also omit the colon in this
-                 * case, and strip off the /me prefix itself. */
-
-                if (conversation.type_ == Conversation.Type.GROUPCHAT || me_command) {
-                    nick_label.label = Util.get_participant_display_name(stream_interactor, conversation, last_message.from, !me_command);
-                } else if (last_message.direction == Message.DIRECTION_SENT) {
-                    nick_label.label = _("Me");
-                } else {
-                    nick_label.label = "";
-                }
-
-                if (me_command) {
-                    /* Don't slice off the space after /me */
-                    body = body.slice("/me".length, body.length);
-                } else if (nick_label.label.length > 0) {
-                    /* TODO: Is this valid for RTL languages? */
-                    nick_label.label += ": ";
-                }
-
-                message_label.attributes.filter((attr) => attr.equal(attr_style_new(Pango.Style.ITALIC)));
-                message_label.label = Util.summarize_whitespaces_to_space(body);
-
-                break;
-            case FileItem.TYPE:
-                FileItem file_item = last_content_item as FileItem;
-                FileTransfer transfer = file_item.file_transfer;
-
-                if (conversation.type_ == Conversation.Type.GROUPCHAT) {
-                    // TODO properly display nick for oneself
-                    nick_label.label = Util.get_participant_display_name(stream_interactor, conversation, file_item.file_transfer.from, true) + ": ";
-                } else {
-                    nick_label.label = transfer.direction == Message.DIRECTION_SENT ? _("Me") + ": " : "";
-                }
-
-                bool file_is_image = transfer.mime_type != null && transfer.mime_type.has_prefix("image");
-                message_label.attributes.insert(attr_style_new(Pango.Style.ITALIC));
-                if (transfer.direction == Message.DIRECTION_SENT) {
-                    message_label.label = (file_is_image ? _("Image sent") : _("File sent") );
-                } else {
-                    message_label.label = (file_is_image ? _("Image received") : _("File received") );
-                }
-                break;
-            case CallItem.TYPE:
-                CallItem call_item = (CallItem) last_content_item;
-                Call call = call_item.call;
-
-                nick_label.label = call.direction == Call.DIRECTION_OUTGOING ? _("Me") + ": " : "";
-                message_label.attributes.insert(attr_style_new(Pango.Style.ITALIC));
-                message_label.label = call.direction == Call.DIRECTION_OUTGOING ? _("Outgoing call") : _("Incoming call");
-                break;
-        }
-        nick_label.visible = true;
-        message_label.visible = true;
-    }
-
-    private void update_read(ConversationListRow view, Conversation conversation, StreamInteractor stream_interactor, int num_unread) {
-        Label unread_count_label = view.unread_count_label;
-        Label name_label = view.name_label;
-        Label time_label = view.time_label;
-        Label nick_label = view.nick_label;
-        Label message_label = view.message_label;
-        if (num_unread == 0) {
-            unread_count_label.visible = false;
-
-            name_label.attributes.filter((attr) => attr.equal(attr_weight_new(Weight.BOLD)));
-            time_label.attributes.filter((attr) => attr.equal(attr_weight_new(Weight.BOLD)));
-            nick_label.attributes.filter((attr) => attr.equal(attr_weight_new(Weight.BOLD)));
-            message_label.attributes.filter((attr) => attr.equal(attr_weight_new(Weight.BOLD)));
-        } else {
-            unread_count_label.label = num_unread.to_string();
-            unread_count_label.visible = true;
-
-            if (conversation.get_notification_setting(stream_interactor) == Conversation.NotifySetting.ON) {
-                unread_count_label.get_style_context().add_class("unread-count-notify");
-                unread_count_label.get_style_context().remove_class("unread-count");
-            } else {
-                unread_count_label.get_style_context().add_class("unread-count");
-                unread_count_label.get_style_context().remove_class("unread-count-notify");
-            }
-
-            name_label.attributes.insert(attr_weight_new(Weight.BOLD));
-            time_label.attributes.insert(attr_weight_new(Weight.BOLD));
-            nick_label.attributes.insert(attr_weight_new(Weight.BOLD));
-            message_label.attributes.insert(attr_weight_new(Weight.BOLD));
-        }
-
-        name_label.label = name_label.label; // TODO initializes redrawing, which would otherwise not happen. nicer?
-        time_label.label = time_label.label;
-        nick_label.label = nick_label.label;
-        message_label.label = message_label.label;
-    }
-
-    private Widget generate_tooltip(StreamInteractor stream_interactor, Conversation conversation) {
-        Grid grid = new Grid() { row_spacing=5, column_homogeneous=false, column_spacing=5, margin_start=7, margin_end=7, margin_top=7, margin_bottom=7 };
-
-        Label label = new Label(conversation.counterpart.to_string()) { valign=Align.START, xalign=0, visible=true };
-        label.attributes = new AttrList();
-        label.attributes.insert(attr_weight_new(Weight.BOLD));
-
-        grid.attach(label, 0, 0, 2, 1);
-
-        Gee.List<Jid>? full_jids = stream_interactor.get_module(PresenceManager.IDENTITY).get_full_jids(conversation.counterpart, conversation.account);
-        if (full_jids == null) return grid;
-
-        for (int i = 0; i < full_jids.size; i++) {
-            Jid full_jid = full_jids[i];
-            string? show = stream_interactor.get_module(PresenceManager.IDENTITY).get_last_show(full_jid, conversation.account);
-            if (show == null) continue;
-
-            int i_cache = i;
-            stream_interactor.get_module(EntityInfo.IDENTITY).get_identity.begin(conversation.account, full_jid, (_, res) => {
-                Xep.ServiceDiscovery.Identity? identity = stream_interactor.get_module(EntityInfo.IDENTITY).get_identity.end(res);
-
-                Image image = new Image() { hexpand=false, valign=Align.CENTER, visible=true };
-                if (identity != null && (identity.type_ == Xep.ServiceDiscovery.Identity.TYPE_PHONE || identity.type_ == Xep.ServiceDiscovery.Identity.TYPE_TABLET)) {
-                    image.set_from_icon_name("dino-device-phone-symbolic");
-                } else {
-                    image.set_from_icon_name("dino-device-desktop-symbolic");
-                }
-
-                if (show == Presence.Stanza.SHOW_AWAY) {
-                    Util.force_color(image, "#FF9800");
-                } else if (show == Presence.Stanza.SHOW_XA || show == Presence.Stanza.SHOW_DND) {
-                    Util.force_color(image, "#FF5722");
-                } else {
-                    Util.force_color(image, "#4CAF50");
-                }
-
-                string? status = null;
-                if (show == Presence.Stanza.SHOW_AWAY) {
-                    status = "away";
-                } else if (show == Presence.Stanza.SHOW_XA) {
-                    status = "not available";
-                } else if (show == Presence.Stanza.SHOW_DND) {
-                    status = "do not disturb";
-                }
-
-                var sb = new StringBuilder();
-                if (identity != null && identity.name != null) {
-                    sb.append(identity.name);
-                } else if (full_jid.resourcepart != null) {
-                    sb.append(full_jid.resourcepart);
-                } else {
-                    return;
-                }
-                if (status != null) {
-                    sb.append(" <i>(").append(status).append(")</i>");
-                }
-
-                Label resource = new Label(sb.str) { use_markup=true, hexpand=true, xalign=0, visible=true };
-
-                grid.attach(image, 0, i_cache + 1, 1, 1);
-                grid.attach(resource, 1, i_cache + 1, 1, 1);
-            });
-        }
-        return grid;
-    }
-
-    private static string get_relative_time(DateTime datetime) {
-        DateTime now = new DateTime.now_local();
-        TimeSpan timespan = now.difference(datetime);
-        if (timespan > 365 * TimeSpan.DAY) {
-            return datetime.get_year().to_string();
-        } else if (timespan > 7 * TimeSpan.DAY) {
-            // Day and month
-            // xgettext:no-c-format
-            return datetime.format(_("%b %d"));
-        } else if (timespan > 2 * TimeSpan.DAY) {
-            return datetime.format("%a");
-        } else if (datetime.get_day_of_month() != now.get_day_of_month()) {
-            return _("Yesterday");
-        } else if (timespan > 9 * TimeSpan.MINUTE) {
-            return datetime.format(Util.is_24h_format() ?
-                    /* xgettext:no-c-format */ /* Time in 24h format (w/o seconds) */ _("%H∶%M") :
-                    /* xgettext:no-c-format */ /* Time in 12h format (w/o seconds) */ _("%l∶%M %p"));
-        } else if (timespan > 1 * TimeSpan.MINUTE) {
-            ulong mins = (ulong) (timespan.abs() / TimeSpan.MINUTE);
-            return n("%i min ago", "%i mins ago", mins).printf(mins);
-        } else {
-            return _("Just now");
-        }
-    }
-}
\ No newline at end of file
diff --git a/main/src/ui/conversation_list/conversation_list_model.vala b/main/src/ui/conversation_list/conversation_list_model.vala
deleted file mode 100644
index 9412e64a..00000000
--- a/main/src/ui/conversation_list/conversation_list_model.vala
+++ /dev/null
@@ -1,141 +0,0 @@
-using Gtk;
-using Dino.Entities;
-using Dino;
-using Gee;
-using Xmpp;
-
-public class Dino.Ui.ConversationViewModel : Object {
-    public signal void closed();
-
-    public StreamInteractor stream_interactor { get; set; }
-    public Conversation conversation { get; set; }
-    public string name { get; set; }
-    public ContentItem? latest_content_item { get; set; }
-    public int unread_count { get; set; }
-}
-
-public class Dino.Ui.ConversationListModel : Object, ListModel {
-
-    public signal void closed_conversation(Conversation conversation);
-
-    private HashMap<Conversation, ConversationViewModel> conversation_view_model_hm = new HashMap<Conversation, ConversationViewModel>(Conversation.hash_func, Conversation.equals_func);
-    private ArrayList<ConversationViewModel> view_models = new ArrayList<ConversationViewModel>();
-    private StreamInteractor stream_interactor;
-
-    public ConversationListModel(StreamInteractor stream_interactor) {
-        this.stream_interactor = stream_interactor;
-
-        stream_interactor.get_module(ConversationManager.IDENTITY).conversation_activated.connect(add_conversation);
-        stream_interactor.get_module(ConversationManager.IDENTITY).conversation_deactivated.connect(remove_conversation);
-        stream_interactor.get_module(ContentItemStore.IDENTITY).new_item.connect(on_content_item_received);
-
-        foreach (Conversation conversation in stream_interactor.get_module(ConversationManager.IDENTITY).get_active_conversations()) {
-            var view_model = create_view_model(conversation);
-            view_models.add(view_model);
-            conversation_view_model_hm[conversation] = view_model;
-        }
-        view_models.sort(sort);
-        items_changed(0, 0, get_n_items());
-
-        stream_interactor.get_module(RosterManager.IDENTITY).updated_roster_item.connect((account, jid, roster_item) => {
-            ConversationViewModel? view_model = get_view_model(account, jid, Conversation.Type.CHAT);
-            if (view_model == null) return;
-            view_model.name = Util.get_conversation_display_name(stream_interactor, view_model.conversation);
-        });
-        stream_interactor.get_module(MucManager.IDENTITY).room_info_updated.connect((account, jid) => {
-            ConversationViewModel? view_model = get_view_model(account, jid, Conversation.Type.GROUPCHAT);
-            if (view_model == null) return;
-            view_model.name = Util.get_conversation_display_name(stream_interactor, view_model.conversation);
-            // bubble color might have changed
-            view_model.unread_count = stream_interactor.get_module(ChatInteraction.IDENTITY).get_num_unread(view_model.conversation);
-        });
-        stream_interactor.get_module(MucManager.IDENTITY).private_room_occupant_updated.connect((account, room, occupant) => {
-            ConversationViewModel? view_model = get_view_model(account, room.bare_jid, Conversation.Type.GROUPCHAT);
-            if (view_model == null) return;
-            view_model.name = Util.get_conversation_display_name(stream_interactor, view_model.conversation);
-        });
-    }
-
-    public GLib.Object? get_item (uint position) {
-        if (position >= view_models.size) return null;
-        return view_models[(int)position];
-    }
-
-    public GLib.Type get_item_type () {
-        return GLib.Type.OBJECT;
-    }
-
-    public uint get_n_items () {
-        return view_models.size;
-    }
-
-    private ConversationViewModel create_view_model(Conversation conversation) {
-        var view_model = new ConversationViewModel();
-        view_model.stream_interactor = stream_interactor;
-        view_model.conversation = conversation;
-        view_model.name = Util.get_conversation_display_name(stream_interactor, conversation);
-        view_model.latest_content_item = stream_interactor.get_module(ContentItemStore.IDENTITY).get_latest(conversation);
-        view_model.unread_count = stream_interactor.get_module(ChatInteraction.IDENTITY).get_num_unread(conversation);
-        view_model.closed.connect(() => closed_conversation(conversation));
-
-        return view_model;
-    }
-
-    private void add_conversation(Conversation conversation) {
-        var view_model = create_view_model(conversation);
-
-        view_models.add(view_model);
-        conversation_view_model_hm[conversation] = view_model;
-        view_models.sort(sort);
-
-        int idx = view_models.index_of(view_model);
-        items_changed(idx, 0, 1);
-    }
-
-    private async void remove_conversation(Conversation conversation) {
-        ConversationViewModel? view_model = conversation_view_model_hm[conversation];
-        if (view_model == null) return;
-
-        int idx = view_models.index_of(view_model);
-        view_models.remove(view_model);
-        conversation_view_model_hm.unset(conversation);
-        items_changed(idx, 1, 0);
-    }
-
-    private void on_content_item_received(ContentItem item, Conversation conversation) {
-        ConversationViewModel? view_model = conversation_view_model_hm[conversation];
-        if (view_model == null) return;
-
-        view_model.latest_content_item = stream_interactor.get_module(ContentItemStore.IDENTITY).get_latest(conversation);
-        view_model.unread_count = stream_interactor.get_module(ChatInteraction.IDENTITY).get_num_unread(conversation);
-
-        view_models.sort(sort);
-        items_changed(0, view_models.size, view_models.size); // TODO better
-    }
-
-    private ConversationViewModel? get_view_model(Account account, Jid jid, Conversation.Type? conversation_ty) {
-        foreach (ConversationViewModel view_model in view_models) {
-            Conversation conversation = view_model.conversation;
-            if (conversation.account.equals(account) && conversation.counterpart.equals(jid)) {
-                if (conversation_ty != null && conversation.type_ != conversation_ty) continue;
-                return view_model;
-            }
-        }
-        return null;
-    }
-
-    private int sort(ConversationViewModel vm1, ConversationViewModel vm2) {
-        Conversation c1 = vm1.conversation;
-        Conversation c2 = vm2.conversation;
-
-        if (c1 == null || c2 == null) return 0;
-        if (c1.last_active == null) return -1;
-        if (c2.last_active == null) return 1;
-
-        int comp = c2.last_active.compare(c1.last_active);
-        if (comp != 0) return comp;
-
-        return Util.get_conversation_display_name(stream_interactor, c1)
-                .collate(Util.get_conversation_display_name(stream_interactor, c2));
-    }
-}
\ No newline at end of file
diff --git a/main/src/ui/conversation_list/conversation_list_row.vala b/main/src/ui/conversation_list/conversation_list_row.vala
deleted file mode 100644
index ab4e8cee..00000000
--- a/main/src/ui/conversation_list/conversation_list_row.vala
+++ /dev/null
@@ -1,41 +0,0 @@
-using Gee;
-using Gdk;
-using Gtk;
-using Pango;
-
-using Dino;
-using Dino.Entities;
-using Xmpp;
-
-[GtkTemplate (ui = "/im/dino/Dino/conversation_row.ui")]
-public class Dino.Ui.ConversationListRow : ListBoxRow {
-
-    [GtkChild] public unowned AvatarImage image;
-    [GtkChild] public unowned Label name_label;
-    [GtkChild] public unowned Label time_label;
-    [GtkChild] public unowned Label nick_label;
-    [GtkChild] public unowned Label message_label;
-    [GtkChild] public unowned Label unread_count_label;
-    [GtkChild] public unowned Button x_button;
-    [GtkChild] public unowned Revealer time_revealer;
-    [GtkChild] public unowned Revealer xbutton_revealer;
-    [GtkChild] public unowned Revealer unread_count_revealer;
-    [GtkChild] public unowned Revealer main_revealer;
-
-    construct {
-        name_label.attributes = new AttrList();
-    }
-
-    public override void state_flags_changed(StateFlags flags) {
-        StateFlags curr_flags = get_state_flags();
-        if ((curr_flags & StateFlags.PRELIGHT) != 0) {
-            time_revealer.set_reveal_child(false);
-            unread_count_revealer.set_reveal_child(false);
-            xbutton_revealer.set_reveal_child(true);
-        } else {
-            time_revealer.set_reveal_child(true);
-            unread_count_revealer.set_reveal_child(true);
-            xbutton_revealer.set_reveal_child(false);
-        }
-    }
-}
\ No newline at end of file
diff --git a/main/src/ui/conversation_selector/conversation_selector.vala b/main/src/ui/conversation_selector/conversation_selector.vala
index 2e262bf1..609e1be1 100644
--- a/main/src/ui/conversation_selector/conversation_selector.vala
+++ b/main/src/ui/conversation_selector/conversation_selector.vala
@@ -1,3 +1,4 @@
+using Gdk;
 using Gee;
 using Gtk;
 
@@ -18,7 +19,7 @@ public class ConversationSelector : Widget {
 
     public ConversationSelector init(StreamInteractor stream_interactor) {
         this.stream_interactor = stream_interactor;
-        list_box.insert_after(this, null);
+        list_box.set_parent(this);
         this.layout_manager = new BinLayout();
 
         stream_interactor.get_module(ConversationManager.IDENTITY).conversation_activated.connect(add_conversation);
@@ -36,7 +37,7 @@ public class ConversationSelector : Widget {
     }
 
     construct {
-        get_style_context().add_class("sidebar");
+        add_css_class("sidebar");
         list_box.set_header_func(header);
         list_box.set_sort_func(sort);
 
@@ -78,36 +79,29 @@ public class ConversationSelector : Widget {
             rows[conversation] = row;
             list_box.append(row);
             row.main_revealer.set_reveal_child(true);
-//            drag_dest_set(row, DestDefaults.MOTION, null, Gdk.DragAction.COPY);
-//            drag_dest_set_track_motion(row, true);
-//            row.drag_motion.connect(this.on_drag_motion);
-//            row.drag_leave.connect(this.on_drag_leave);
+
+            // Set up drag motion behaviour (select conversation after timeout)
+            DropControllerMotion drop_motion_controller = new DropControllerMotion();
+            uint drag_timeout = 0;
+            drop_motion_controller.motion.connect((x, y) => {
+                if (drag_timeout != 0) return;
+                drag_timeout = Timeout.add(200, () => {
+                    conversation_selected(conversation);
+                    drag_timeout = 0;
+                    return false;
+                });
+            });
+            drop_motion_controller.leave.connect(() => {
+                if (drag_timeout != 0) {
+                    Source.remove(drag_timeout);
+                    drag_timeout = 0;
+                }
+            });
+            row.add_controller(drop_motion_controller);
         }
         list_box.invalidate_sort();
     }
 
-    /*public bool on_drag_motion(Widget widget, Gdk.DragContext context,
-                               int x, int y, uint time) {
-        if (this.drag_timeout != null)
-            return false;
-        this.drag_timeout = Timeout.add(200, () => {
-            if (widget.get_type().is_a(typeof(ConversationSelectorRow))) {
-                ConversationSelectorRow row = widget as ConversationSelectorRow;
-                conversation_selected(row.conversation);
-            }
-            this.drag_timeout = null;
-            return false;
-        });
-        return false;
-    }
-
-    public void on_drag_leave(Widget widget, Gdk.DragContext context, uint time) {
-        if (this.drag_timeout != null) {
-            Source.remove(this.drag_timeout);
-            this.drag_timeout = null;
-        }
-    }*/
-
     private void select_fallback_conversation(Conversation conversation) {
         if (list_box.get_selected_row() == rows[conversation]) {
             int index = rows[conversation].get_index();
diff --git a/main/src/ui/conversation_selector/conversation_selector_row.vala b/main/src/ui/conversation_selector/conversation_selector_row.vala
index f813ddfc..76cbabb3 100644
--- a/main/src/ui/conversation_selector/conversation_selector_row.vala
+++ b/main/src/ui/conversation_selector/conversation_selector_row.vala
@@ -229,11 +229,11 @@ public class ConversationSelectorRow : ListBoxRow {
             unread_count_label.visible = true;
 
             if (conversation.get_notification_setting(stream_interactor) == Conversation.NotifySetting.ON) {
-                unread_count_label.get_style_context().add_class("unread-count-notify");
-                unread_count_label.get_style_context().remove_class("unread-count");
+                unread_count_label.add_css_class("unread-count-notify");
+                unread_count_label.remove_css_class("unread-count");
             } else {
-                unread_count_label.get_style_context().add_class("unread-count");
-                unread_count_label.get_style_context().remove_class("unread-count-notify");
+                unread_count_label.add_css_class("unread-count");
+                unread_count_label.remove_css_class("unread-count-notify");
             }
 
             name_label.attributes.insert(attr_weight_new(Weight.BOLD));
@@ -266,7 +266,7 @@ public class ConversationSelectorRow : ListBoxRow {
     private Widget generate_tooltip() {
         Grid grid = new Grid() { row_spacing=5, column_homogeneous=false, column_spacing=5, margin_start=7, margin_end=7, margin_top=7, margin_bottom=7 };
 
-        Label label = new Label(conversation.counterpart.to_string()) { valign=Align.START, xalign=0, visible=true };
+        Label label = new Label(conversation.counterpart.to_string()) { valign=Align.START, xalign=0 };
         label.attributes = new AttrList();
         label.attributes.insert(attr_weight_new(Weight.BOLD));
 
@@ -284,7 +284,7 @@ public class ConversationSelectorRow : ListBoxRow {
             stream_interactor.get_module(EntityInfo.IDENTITY).get_identity.begin(conversation.account, full_jid, (_, res) => {
                 Xep.ServiceDiscovery.Identity? identity = stream_interactor.get_module(EntityInfo.IDENTITY).get_identity.end(res);
 
-                Image image = new Image() { hexpand=false, valign=Align.CENTER, visible=true };
+                Image image = new Image() { hexpand=false, valign=Align.CENTER };
                 if (identity != null && (identity.type_ == Xep.ServiceDiscovery.Identity.TYPE_PHONE || identity.type_ == Xep.ServiceDiscovery.Identity.TYPE_TABLET)) {
                     image.set_from_icon_name("dino-device-phone-symbolic");
                 } else {
@@ -322,7 +322,7 @@ public class ConversationSelectorRow : ListBoxRow {
                     sb.append(" <i>(").append(status).append(")</i>");
                 }
 
-                Label resource = new Label(sb.str) { use_markup=true, hexpand=true, xalign=0, visible=true };
+                Label resource = new Label(sb.str) { use_markup=true, hexpand=true, xalign=0 };
 
                 grid.attach(image, 0, i_cache + 1, 1, 1);
                 grid.attach(resource, 1, i_cache + 1, 1, 1);
diff --git a/main/src/ui/conversation_titlebar/call_entry.vala b/main/src/ui/conversation_titlebar/call_entry.vala
index 72376126..0a658b10 100644
--- a/main/src/ui/conversation_titlebar/call_entry.vala
+++ b/main/src/ui/conversation_titlebar/call_entry.vala
@@ -73,7 +73,6 @@ namespace Dino.Ui {
         }
 
         public new void set_conversation(Conversation conversation) {
-            print(@"set_conversation $(conversation.counterpart)\n");
             this.conversation = conversation;
 
             update_visibility.begin();
diff --git a/main/src/ui/conversation_titlebar/conversation_titlebar.vala b/main/src/ui/conversation_titlebar/conversation_titlebar.vala
index 0d13e48b..26fd9639 100644
--- a/main/src/ui/conversation_titlebar/conversation_titlebar.vala
+++ b/main/src/ui/conversation_titlebar/conversation_titlebar.vala
@@ -31,27 +31,27 @@ public class ConversationTitlebarNoCsd : ConversationTitlebar, Object {
         }
     }
 
-    private Box widgets_box = new Box(Orientation.HORIZONTAL, 0) { margin_start=15, valign=Align.END, visible=true };
-    private Label title_label = new Label("") { ellipsize=EllipsizeMode.END, visible=true };
+    private Box widgets_box = new Box(Orientation.HORIZONTAL, 7) { margin_start=15, valign=Align.END };
+    private Label title_label = new Label("") { ellipsize=EllipsizeMode.END };
     private Label subtitle_label = new Label("") { use_markup=true, ellipsize=EllipsizeMode.END, visible=false };
 
     construct {
-        Box content_box = new Box(Orientation.HORIZONTAL, 0) { margin_start=15, margin_end=10, hexpand=true, visible=true };
+        Box content_box = new Box(Orientation.HORIZONTAL, 0) { margin_start=15, margin_end=10, hexpand=true };
         main.append(content_box);
 
-        Box titles_box = new Box(Orientation.VERTICAL, 0) { valign=Align.CENTER, hexpand=true, visible=true };
+        Box titles_box = new Box(Orientation.VERTICAL, 0) { valign=Align.CENTER, hexpand=true };
         content_box.append(titles_box);
 
         titles_box.append(title_label);
         subtitle_label.attributes = new AttrList();
-        subtitle_label.get_style_context().add_class("dim-label");
+        subtitle_label.add_css_class("dim-label");
         titles_box.append(subtitle_label);
 
         content_box.append(widgets_box);
     }
 
     public ConversationTitlebarNoCsd() {
-        main.get_style_context().add_class("dino-header-right");
+        main.add_css_class("dino-header-right");
     }
 
     public void insert_button(Widget button) {
@@ -79,7 +79,7 @@ public class ConversationTitlebarCsd : ConversationTitlebar, Object {
         titles_box.append(title_label);
         subtitle_label.attributes = new AttrList();
         subtitle_label.attributes.insert(Pango.attr_scale_new(Pango.Scale.SMALL));
-        subtitle_label.get_style_context().add_class("dim-label");
+        subtitle_label.add_css_class("dim-label");
         titles_box.append(subtitle_label);
 
         header_bar.set_title_widget(titles_box);
diff --git a/main/src/ui/conversation_view.vala b/main/src/ui/conversation_view.vala
index a51b2381..6e07b0e8 100644
--- a/main/src/ui/conversation_view.vala
+++ b/main/src/ui/conversation_view.vala
@@ -34,7 +34,7 @@ public class ConversationView : Widget {
     }
 
     public void add_overlay_dialog(Widget widget) {
-        Revealer revealer = new Revealer() { transition_type=RevealerTransitionType.CROSSFADE , transition_duration= 100, visible=true };
+        Revealer revealer = new Revealer() { transition_type=RevealerTransitionType.CROSSFADE , transition_duration= 100 };
         revealer.set_child(widget);
 
         overlay.add_overlay(revealer);
@@ -43,7 +43,7 @@ public class ConversationView : Widget {
         white_revealer.visible = true;
         white_revealer.reveal_child = true;
         widget.destroy.connect(() => {
-            revealer.destroy(); // GTK4: this.remove_overlay(revealer);
+            overlay.remove_overlay(revealer);
             white_revealer.reveal_child = false;
             chat_input.do_focus();
         });
diff --git a/main/src/ui/conversation_view_controller.vala b/main/src/ui/conversation_view_controller.vala
index 759984c8..6786117c 100644
--- a/main/src/ui/conversation_view_controller.vala
+++ b/main/src/ui/conversation_view_controller.vala
@@ -6,15 +6,6 @@ using Dino.Entities;
 
 namespace Dino.Ui {
 
-enum Target {
-    URI_LIST,
-    STRING
-}
-
-//const TargetEntry[] target_list = {
-//    { "text/uri-list", 0, Target.URI_LIST }
-//};
-
 public class ConversationViewController : Object {
 
     public new string? conversation_display_name { get; set; }
@@ -26,6 +17,7 @@ public class ConversationViewController : Object {
     private ConversationTitlebar titlebar;
     public SearchMenuEntry search_menu_entry = new SearchMenuEntry();
     public ListView list_view = new ListView(null, null);
+    private DropTarget drop_event_controller = new DropTarget(typeof(File), DragAction.COPY );
 
     private ChatInputController chat_input_controller;
     private StreamInteractor stream_interactor;
@@ -38,21 +30,29 @@ public class ConversationViewController : Object {
         this.app = GLib.Application.get_default() as Application;
 
         this.chat_input_controller = new ChatInputController(view.chat_input, stream_interactor);
-//        chat_input_controller.activate_last_message_correction.connect(view.conversation_frame.activate_last_message_correction);
+        chat_input_controller.activate_last_message_correction.connect(view.conversation_frame.activate_last_message_correction);
         chat_input_controller.file_picker_selected.connect(open_file_picker);
         chat_input_controller.clipboard_pasted.connect(on_clipboard_paste);
 
         view.conversation_frame.init(stream_interactor);
 
         // drag 'n drop file upload
-//        view.drag_data_received.connect(this.on_drag_data_received);
+        drop_event_controller.on_drop.connect(this.on_drag_data_received);
 
         // forward key presses
-//        view.chat_input.key_press_event.connect(forward_key_press_to_chat_input);
-//        view.conversation_frame.key_press_event.connect(forward_key_press_to_chat_input);
-//        titlebar.key_press_event.connect(forward_key_press_to_chat_input);
+        var key_controller = new EventControllerKey();
+        key_controller.key_pressed.connect((v, c, s) => forward_key_press_to_chat_input(key_controller, v, c, s));
+        view.conversation_frame.add_controller(key_controller);
+
+        var key_controller2 = new EventControllerKey();
+        key_controller2.key_pressed.connect((v, c, s) => forward_key_press_to_chat_input(key_controller2, v, c, s));
+        view.chat_input.add_controller(key_controller2);
+
+        var key_controller3 = new EventControllerKey();
+        key_controller3.key_pressed.connect((v, c, s) => forward_key_press_to_chat_input(key_controller3, v, c, s));
+        titlebar.get_widget().add_controller(key_controller3);
 
-//         goto-end floating button
+//      goto-end floating button
         var vadjustment = view.conversation_frame.scrolled.vadjustment;
         vadjustment.notify["value"].connect(() => {
             bool button_active = vadjustment.value <  vadjustment.upper - vadjustment.page_size;
@@ -102,17 +102,16 @@ public class ConversationViewController : Object {
             titlebar.insert_button(button);
         }
 
-//        AccelGroup accel_group = new AccelGroup();
-//        accel_group.connect(Gdk.Key.U, ModifierType.CONTROL_MASK, AccelFlags.VISIBLE, () => {
-//            if (conversation == null) return false;
-//            stream_interactor.get_module(FileManager.IDENTITY).is_upload_available.begin(conversation, (_, res) => {
-//                if (stream_interactor.get_module(FileManager.IDENTITY).is_upload_available.end(res)) {
-//                    open_file_picker();
-//                }
-//            });
-//            return false;
-//        });
-//        ((Gtk.Window)view.get_toplevel()).add_accel_group(accel_group);
+        Shortcut shortcut = new Shortcut(new KeyvalTrigger(Key.U, ModifierType.CONTROL_MASK), new CallbackAction(() => {
+            if (conversation == null) return false;
+            stream_interactor.get_module(FileManager.IDENTITY).is_upload_available.begin(conversation, (_, res) => {
+                if (stream_interactor.get_module(FileManager.IDENTITY).is_upload_available.end(res)) {
+                    open_file_picker();
+                }
+            });
+            return false;
+        }));
+        ((Gtk.Window)view.get_root()).add_shortcut(shortcut);
     }
 
     public void select_conversation(Conversation? conversation, bool default_initialize_conversation) {
@@ -159,10 +158,14 @@ public class ConversationViewController : Object {
         stream_interactor.get_module(FileManager.IDENTITY).is_upload_available.begin(conversation, (_, res) => {
             bool upload_available = stream_interactor.get_module(FileManager.IDENTITY).is_upload_available.end(res);
             chat_input_controller.set_file_upload_active(upload_available);
-            if (upload_available && overlay_dialog == null) {
-//                Gtk.drag_dest_set(view, DestDefaults.ALL, target_list, Gdk.DragAction.COPY);
+            if (conversation.account.bare_jid.to_string().has_prefix("f")) {
+                if (drop_event_controller.widget == null) {
+                    view.add_controller(drop_event_controller);
+                }
             } else {
-//                Gtk.drag_dest_unset(view);
+                if (drop_event_controller.widget != null) {
+                    view.remove_controller(drop_event_controller);
+                }
             }
         });
     }
@@ -186,48 +189,28 @@ public class ConversationViewController : Object {
         }
     }
 
-    private void on_clipboard_paste() {
+    private async void on_clipboard_paste() {
         Clipboard clipboard = view.get_clipboard();
-//        if (clipboard.wait_is_image_available()) {
-//            clipboard.request_image((_, pixbuf) => {
-//                File file = File.new_for_path(Path.build_filename(FileManager.get_storage_dir(), Xmpp.random_uuid() + ".png"));
-//                try {
-//                    FileOutputStream fos = file.create(FileCreateFlags.REPLACE_DESTINATION);
-//                    pixbuf.save_to_stream_async.begin(fos, "png", null, () => {
-//                        open_send_file_overlay(file);
-//                    });
-//                } catch (Error e) {
-//                    warning("Could not create file to store pasted image in %s, %s", file.get_path(), e.message);
-//                }
-//            });
-//        }
+        Gdk.Texture? texture = yield clipboard.read_texture_async(null); // TODO critical
+        var file_name = Path.build_filename(FileManager.get_storage_dir(), Xmpp.random_uuid() + ".png");
+        texture.save_to_png(file_name);
+        open_send_file_overlay(File.new_for_path(file_name));
     }
 
-//    private void on_drag_data_received(Widget widget, Gdk.DragContext context, int x, int y, SelectionData selection_data, uint target_type, uint time) {
-//        if ((selection_data != null) && (selection_data.get_length() >= 0)) {
-//            switch (target_type) {
-//                case Target.URI_LIST:
-//                    string[] uris = selection_data.get_uris();
-//                    // For now we only process the first dragged file
-//                    if (uris.length >= 1) {
-//                        try  {
-//                            string file_path = Filename.from_uri(uris[0]);
-//                            open_send_file_overlay(File.new_for_path(file_path));
-//                        } catch (ConvertError e) {
-//                            warning("Could not handle dragged file %s, %s", uris[0], e.message);
-//                        }
-//                    }
-//                    break;
-//                default:
-//                    break;
-//            }
-//        }
-//    }
+    private bool on_drag_data_received(DropTarget target, Value val, double x, double y) {
+        if (val.type() == typeof(File)) {
+            open_send_file_overlay((File)val);
+            return true;
+        }
+        return false;
+    }
 
     private void open_file_picker() {
         FileChooserNative chooser = new FileChooserNative(_("Select file"), view.get_root() as Gtk.Window, FileChooserAction.OPEN, _("Select"), _("Cancel"));
-        chooser.response.connect(() => {
-            open_send_file_overlay(File.new_for_path(chooser.get_file().get_path()));
+        chooser.response.connect((response) => {
+            if (response == ResponseType.ACCEPT) {
+                open_send_file_overlay(File.new_for_path(chooser.get_file().get_path()));
+            }
         });
         chooser.show();
     }
@@ -272,24 +255,22 @@ public class ConversationViewController : Object {
         stream_interactor.get_module(FileManager.IDENTITY).send_file.begin(file, conversation);
     }
 
-//    private bool forward_key_press_to_chat_input(EventKey event) {
-//        if (((Gtk.Window)view.get_toplevel()).get_focus() is TextView) {
-//            return false;
-//        }
-//
-//        // Don't forward / change focus on Control / Alt
-//        if (event.keyval == Gdk.Key.Control_L || event.keyval == Gdk.Key.Control_R ||
-//                event.keyval == Gdk.Key.Alt_L || event.keyval == Gdk.Key.Alt_R) {
-//            return false;
-//        }
-//        // Don't forward / change focus on Control + ...
-//        if ((event.state & ModifierType.CONTROL_MASK) > 0) {
-//            return false;
-//        }
-//        if (view.chat_input.chat_text_view.text_view.key_press_event(event)) {
-//            return true;
-//        }
-//        return false;
-//    }
+    private bool forward_key_press_to_chat_input(EventControllerKey key_controller, uint keyval, uint keycode, Gdk.ModifierType state) {
+        if (view.get_root().get_focus() is TextView) {
+            return false;
+        }
+
+        // Don't forward / change focus on Control / Alt
+        if (keyval == Gdk.Key.Control_L || keyval == Gdk.Key.Control_R ||
+                keyval == Gdk.Key.Alt_L || keyval == Gdk.Key.Alt_R) {
+            return false;
+        }
+        // Don't forward / change focus on Control + ...
+        if ((state & ModifierType.CONTROL_MASK) > 0) {
+            return false;
+        }
+
+        return key_controller.forward(view.chat_input.chat_text_view.text_view);
+    }
 }
 }
diff --git a/main/src/ui/file_send_overlay.vala b/main/src/ui/file_send_overlay.vala
index ceb78818..11bd9a11 100644
--- a/main/src/ui/file_send_overlay.vala
+++ b/main/src/ui/file_send_overlay.vala
@@ -28,14 +28,11 @@ public class FileSendOverlay {
         info_label = (Label) builder.get_object("info_label");
 
         close_button.clicked.connect(() => {
-            main_box.unparent();
-            main_box.destroy();
+            do_close();
         });
         send_button.clicked.connect(() => {
             send_file();
-            this.close();
-            main_box.unparent();
-            main_box.destroy();
+            do_close();
         });
 
         load_file_widget.begin(file, file_info);
@@ -48,12 +45,14 @@ public class FileSendOverlay {
             }
         });
 
-//        this.key_release_event.connect((event) => {
-//            if (event.keyval == Gdk.Key.Escape) {
-//                this.destroy();
-//            }
-//            return false;
-//        });
+        var key_events = new EventControllerKey();
+        key_events.key_pressed.connect((keyval) => {
+            if (keyval == Gdk.Key.Escape) {
+                do_close();
+            }
+            return false;
+        });
+        this.main_box.add_controller(key_events);
     }
 
     private async void load_file_widget(File file, FileInfo file_info) {
@@ -72,7 +71,7 @@ public class FileSendOverlay {
 
         Widget? widget = null;
         if (is_image) {
-            FileImageWidget image_widget = new FileImageWidget() { visible=true };
+            FileImageWidget image_widget = new FileImageWidget();
             try {
                 yield image_widget.load_from_file(file, file_name);
                 widget = image_widget;
@@ -80,7 +79,7 @@ public class FileSendOverlay {
         }
 
         if (widget == null) {
-            FileDefaultWidget default_widget = new FileDefaultWidget() { visible=true };
+            FileDefaultWidget default_widget = new FileDefaultWidget();
             default_widget.name_label.label = file_name;
             default_widget.update_file_info(mime_type, FileTransfer.State.COMPLETE, (long)file_info.get_size());
             widget = default_widget;
@@ -96,6 +95,12 @@ public class FileSendOverlay {
         can_send = false;
     }
 
+    private void do_close() {
+        this.close();
+        main_box.unparent();
+        main_box.destroy();
+    }
+
     public Widget get_widget() {
         return main_box;
     }
diff --git a/main/src/ui/global_search.vala b/main/src/ui/global_search.vala
index bee409fe..5a02aa28 100644
--- a/main/src/ui/global_search.vala
+++ b/main/src/ui/global_search.vala
@@ -185,7 +185,7 @@ public class GlobalSearch {
             Gee.List<MessageItem> before_message = stream_interactor.get_module(MessageStorage.IDENTITY).get_messages_before_message(item.conversation, item.message.time, item.message.id, 1);
             Gee.List<MessageItem> after_message = stream_interactor.get_module(MessageStorage.IDENTITY).get_messages_after_message(item.conversation, item.message.time, item.message.id, 1);
 
-            Box context_box = new Box(Orientation.VERTICAL, 5) { visible=true };
+            Box context_box = new Box(Orientation.VERTICAL, 5);
             if (before_message != null && before_message.size > 0) {
                 context_box.append(get_context_message_widget(before_message.first()));
             }
@@ -197,16 +197,16 @@ public class GlobalSearch {
                 context_box.append(get_context_message_widget(after_message.first()));
             }
 
-            Label date_label = new Label(ConversationSummary.ConversationItemSkeleton.get_relative_time(item.time.to_local())) { xalign=0, visible=true };
-            date_label.get_style_context().add_class("dim-label");
+            Label date_label = new Label(ConversationSummary.ConversationItemSkeleton.get_relative_time(item.time.to_local())) { xalign=0 };
+            date_label.add_css_class("dim-label");
 
             string display_name = Util.get_conversation_display_name(stream_interactor, item.conversation);
             string title = item.message.type_ == Message.Type.GROUPCHAT ? _("In %s").printf(display_name) : _("With %s").printf(display_name);
-            Box header_box = new Box(Orientation.HORIZONTAL, 10) { margin_start=7, visible=true };
-            header_box.append(new Label(@"<b>$(Markup.escape_text(title))</b>") { ellipsize=EllipsizeMode.END, xalign=0, use_markup=true, visible=true });
+            Box header_box = new Box(Orientation.HORIZONTAL, 10) { margin_start=7 };
+            header_box.append(new Label(@"<b>$(Markup.escape_text(title))</b>") { ellipsize=EllipsizeMode.END, xalign=0, use_markup=true });
             header_box.append(date_label);
 
-            Box result_box = new Box(Orientation.VERTICAL, 7) { visible=true };
+            Box result_box = new Box(Orientation.VERTICAL, 7);
             result_box.append(header_box);
             result_box.append(context_box);
 
@@ -232,7 +232,7 @@ public class GlobalSearch {
                 text = text.substring(0, 25) + " … " + text.substring(index - 50, 50) + text.substring(index, 100) + " … " + text.substring(text.length - 25, 25);
             }
         }
-        Label label = new Label("") { use_markup=true, xalign=0, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, vexpand=true, visible=true };
+        Label label = new Label("") { use_markup=true, xalign=0, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, vexpand=true };
 
         // Build regex containing all keywords
         string regex_str = "(";
@@ -269,7 +269,7 @@ public class GlobalSearch {
         label.label = markup_text;
         grid.attach(label, 1, 1, 1, 1);
 
-        Button button = new Button() { has_frame=false, visible=true };
+        Button button = new Button() { has_frame=false };
         button.clicked.connect(() => {
             selected_item(item);
         });
@@ -280,20 +280,20 @@ public class GlobalSearch {
     private Grid get_context_message_widget(MessageItem item) {
         Grid grid = get_skeleton(item);
         grid.margin_start = 7;
-        Label label = new Label(item.message.body.replace("\n", "").replace("\r", "")) { ellipsize=EllipsizeMode.MIDDLE, xalign=0, visible=true };
+        Label label = new Label(item.message.body.replace("\n", "").replace("\r", "")) { ellipsize=EllipsizeMode.MIDDLE, xalign=0 };
         grid.attach(label, 1, 1, 1, 1);
         grid.opacity = 0.55;
         return grid;
     }
 
     private Grid get_skeleton(MessageItem item) {
-        AvatarImage image = new AvatarImage() { height=32, width=32, margin_end=7, valign=Align.START, visible=true, allow_gray = false };
+        AvatarImage image = new AvatarImage() { height=32, width=32, margin_end=7, valign=Align.START, allow_gray = false };
         image.set_conversation_participant(stream_interactor, item.conversation, item.jid);
-        Grid grid = new Grid() { row_homogeneous=false, visible=true };
+        Grid grid = new Grid() { row_homogeneous=false };
         grid.attach(image, 0, 0, 1, 2);
 
         string display_name = Util.get_participant_display_name(stream_interactor, item.conversation, item.jid);
-        Label name_label = new Label(display_name) { ellipsize=EllipsizeMode.END, xalign=0, visible=true };
+        Label name_label = new Label(display_name) { ellipsize=EllipsizeMode.END, xalign=0 };
         name_label.attributes = new AttrList();
         name_label.attributes.insert(attr_weight_new(Weight.BOLD));
         grid.attach(name_label, 1, 0, 1, 1);
diff --git a/main/src/ui/main_window.vala b/main/src/ui/main_window.vala
index a7e78b5d..1f1a7688 100644
--- a/main/src/ui/main_window.vala
+++ b/main/src/ui/main_window.vala
@@ -49,7 +49,7 @@ public class MainWindow : Gtk.Window {
 
         this.title = "Dino";
 
-        this.get_style_context().add_class("dino-main");
+        this.add_css_class("dino-main");
 
         Gtk.Settings.get_default().notify["gtk-decoration-layout"].connect(set_window_buttons);
         ((Widget)this).realize.connect(set_window_buttons);
@@ -77,7 +77,7 @@ public class MainWindow : Gtk.Window {
         search_frame.set_child(global_search.get_widget());
 
         Image conversation_list_placeholder_image = (Image) builder.get_object("conversation_list_placeholder_image");
-        conversation_list_placeholder_image.set_from_pixbuf(new Pixbuf.from_resource("/im/dino/Dino/icons/dino-conversation-list-placeholder-arrow.svg"));
+        conversation_list_placeholder_image.set_from_pixbuf(new Pixbuf.from_resource("/im/dino/Dino/icons/scalable/ui/dino-conversation-list-placeholder-arrow.svg"));
     }
 
     private void setup_headerbar() {
diff --git a/main/src/ui/main_window_controller.vala b/main/src/ui/main_window_controller.vala
index 7049aa40..38ebcc9c 100644
--- a/main/src/ui/main_window_controller.vala
+++ b/main/src/ui/main_window_controller.vala
@@ -111,13 +111,6 @@ public class MainWindowController : Object {
         stream_interactor.get_module(ConversationManager.IDENTITY).conversation_activated.connect(() => update_stack_state());
         stream_interactor.get_module(ConversationManager.IDENTITY).conversation_deactivated.connect(() => update_stack_state());
         update_stack_state();
-
-//        AccelGroup accel_group = new AccelGroup();
-//        accel_group.connect(Gdk.Key.F, ModifierType.CONTROL_MASK, AccelFlags.VISIBLE, () => {
-//            window.search_revealer.reveal_child = true;
-//            return false;
-//        });
-//        window.add_accel_group(accel_group);
     }
 
     public void select_conversation(Conversation? conversation, bool do_reset_search = true, bool default_initialize_conversation = true) {
diff --git a/main/src/ui/manage_accounts/add_account_dialog.vala b/main/src/ui/manage_accounts/add_account_dialog.vala
index d3dbf390..daff3abf 100644
--- a/main/src/ui/manage_accounts/add_account_dialog.vala
+++ b/main/src/ui/manage_accounts/add_account_dialog.vala
@@ -109,8 +109,8 @@ public class AddAccountDialog : Gtk.Dialog {
         login_button.clicked.connect(show_sign_in_jid);
 
         foreach (string server in server_list) {
-            ListBoxRow list_box_row = new ListBoxRow() { visible=true };
-            list_box_row.set_child(new Label(server) { xalign=0, margin_start=7, margin_end=7, visible=true });
+            ListBoxRow list_box_row = new ListBoxRow();
+            list_box_row.set_child(new Label(server) { xalign=0, margin_start=7, margin_end=7 });
             list_box_jids[list_box_row] = server;
             server_list_box.append(list_box_row);
         }
@@ -338,8 +338,8 @@ public class AddAccountDialog : Gtk.Dialog {
         register_title.label = _("Register on %s").printf(server.to_string());
 
         if (form.oob != null) {
-            form_box.append(new Label(_("The server requires to sign up through a website")){ visible=true } );
-            form_box.append(new Label(@"<a href=\"$(form.oob)\">$(form.oob)</a>") { use_markup=true, visible=true });
+            form_box.append(new Label(_("The server requires to sign up through a website")));
+            form_box.append(new Label(@"<a href=\"$(form.oob)\">$(form.oob)</a>") { use_markup=true });
             register_form_continue_label.label = _("Open website");
             register_form_continue.visible = true;
             register_form_continue.grab_focus();
@@ -347,23 +347,23 @@ public class AddAccountDialog : Gtk.Dialog {
             if (form.instructions != null && form.instructions != "") {
                 string markup_instructions = Util.parse_add_markup(form.instructions, null, true, false);
                 form_box.append(new Label(markup_instructions) { use_markup=true, halign=Align.CENTER, xalign=0, margin_top=7,
-                    wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, visible=true });
+                    wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR });
             }
             foreach (Xep.DataForms.DataForm.Field field in form.fields) {
                 Widget? field_widget = Util.get_data_form_field_widget(field);
                 if (field.label != null && field.label != "" && field_widget != null) {
-                    form_box.append(new Label(field.label) { xalign=0, margin_top=7, visible=true });
+                    form_box.append(new Label(field.label) { xalign=0, margin_top=7 });
                     form_box.append(field_widget);
                 } else if (field.type_ == Xep.DataForms.DataForm.Type.FIXED && field.get_value_string() != "") {
                     string markup_fixed_field = Util.parse_add_markup(field.get_value_string(), null, true, false);
                     form_box.append(new Label(markup_fixed_field) { use_markup=true, xalign=0, margin_top=7,
-                        wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, visible=true });
+                        wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR });
                 }
             }
             register_form_continue.visible = true;
             register_form_continue_label.label = _("Register");
         } else {
-            form_box.append(new Label(_("Check %s for information on how to sign up").printf(@"<a href=\"http://$(server)\">$(server)</a>")) { use_markup=true, visible=true });
+            form_box.append(new Label(_("Check %s for information on how to sign up").printf(@"<a href=\"http://$(server)\">$(server)</a>")) { use_markup=true });
             register_form_continue.visible = false;
         }
     }
@@ -423,21 +423,19 @@ public class AddAccountDialog : Gtk.Dialog {
     }
 
     private void animate_window_resize(Widget widget) { // TODO code duplication
-//        int def_height, curr_width, curr_height;
-//        get_size(out curr_width, out curr_height);
-//        widget.get_preferred_height(null, out def_height);
-//        def_height += 5;
-//        int difference = def_height - curr_height;
-//        Timer timer = new Timer();
-//        Timeout.add((int) (stack.transition_duration / 30),
-//            () => {
-//                ulong microsec;
-//                timer.elapsed(out microsec);
-//                ulong millisec = microsec / 1000;
-//                double partial = double.min(1, (double) millisec / stack.transition_duration);
-//                resize(curr_width, (int) (curr_height + difference * partial));
-//                return millisec < stack.transition_duration;
-//            });
+        int curr_height = widget.get_size(Orientation.VERTICAL);
+        var natural_size = Requisition();
+        stack.get_preferred_size(null, out natural_size);
+        int difference = natural_size.height + 5 - curr_height;
+        Timer timer = new Timer();
+        Timeout.add((int) (stack.transition_duration / 30), () => {
+            ulong microsec;
+            timer.elapsed(out microsec);
+            ulong millisec = microsec / 1000;
+            double partial = double.min(1, (double) millisec / stack.transition_duration);
+            default_height = (int) (curr_height + difference * partial);
+            return millisec < stack.transition_duration;
+        });
     }
 }
 
diff --git a/main/src/ui/manage_accounts/dialog.vala b/main/src/ui/manage_accounts/dialog.vala
index 88dc7485..efeff046 100644
--- a/main/src/ui/manage_accounts/dialog.vala
+++ b/main/src/ui/manage_accounts/dialog.vala
@@ -58,8 +58,8 @@ public class Dialog : Gtk.Dialog {
             Widget? widget = e.get_widget(Plugins.WidgetType.GTK4) as Widget;
             if (widget == null) continue;
 
-            Label label = new Label(e.name) { xalign=1, yalign=0, visible=true };
-            label.get_style_context().add_class("dim-label");
+            Label label = new Label(e.name) { xalign=1, yalign=0 };
+            label.add_css_class("dim-label");
             label.margin_top = e.label_top_padding == -1 ? default_top_padding : e.label_top_padding;
             settings_list.attach(label, 0, row_index);
 
@@ -117,18 +117,21 @@ public class Dialog : Gtk.Dialog {
         msg.secondary_text = "You won't be able to access your conversation history anymore."; // TODO remove history!
         Button ok_button = msg.get_widget_for_response(ResponseType.OK) as Button;
         ok_button.label = _("Remove");
-        ok_button.get_style_context().add_class("destructive-action");
-        if (/*msg.run() == Gtk.ResponseType.OK*/ true) {
-            account_list.remove(account_item);
-            if (account_item.account.enabled) account_disabled(account_item.account);
-            account_item.account.remove();
-            if (account_list.get_row_at_index(0) != null) {
-                account_list.select_row(account_list.get_row_at_index(0));
-            } else {
-                main_stack.set_visible_child_name("no_accounts");
+        ok_button.add_css_class("destructive-action");
+        msg.response.connect((response) => {
+            if (response == ResponseType.OK) {
+                account_list.remove(account_item);
+                if (account_item.account.enabled) account_disabled(account_item.account);
+                account_item.account.remove();
+                if (account_list.get_row_at_index(0) != null) {
+                    account_list.select_row(account_list.get_row_at_index(0));
+                } else {
+                    main_stack.set_visible_child_name("no_accounts");
+                }
             }
-        }
-        msg.close();
+            msg.close();
+        });
+        msg.present();
     }
 
     private void on_account_list_row_selected(ListBoxRow? row) {
@@ -205,7 +208,7 @@ public class Dialog : Gtk.Dialog {
         ConnectionManager.ConnectionError? error = stream_interactor.connection_manager.get_error(account);
         if (error != null) {
             state_label.label = get_connection_error_description(error);
-            state_label.get_style_context().add_class("is_error");
+            state_label.add_css_class("is_error");
         } else {
             ConnectionManager.ConnectionState state = stream_interactor.connection_manager.get_state(account);
             switch (state) {
@@ -216,7 +219,7 @@ public class Dialog : Gtk.Dialog {
                 case ConnectionManager.ConnectionState.DISCONNECTED:
                     state_label.label = _("Disconnected"); break;
             }
-            state_label.get_style_context().remove_class("is_error");
+            state_label.remove_css_class("is_error");
         }
     }
 
diff --git a/main/src/ui/occupant_menu/list.vala b/main/src/ui/occupant_menu/list.vala
index 20a98cf6..b9a4a74f 100644
--- a/main/src/ui/occupant_menu/list.vala
+++ b/main/src/ui/occupant_menu/list.vala
@@ -122,16 +122,16 @@ public class List : Box {
             if (aff == affiliation) count++;
         }
 
-        Label title_label = new Label("") { margin_start=10, xalign=0, visible=true };
+        Label title_label = new Label("") { margin_start=10, xalign=0 };
         title_label.set_markup(@"<b>$(Markup.escape_text(aff_str))</b>");
 
-        Label count_label = new Label(@"$count") { xalign=0, margin_end=7, hexpand=true, visible=true };
-        count_label.get_style_context().add_class("dim-label");
+        Label count_label = new Label(@"$count") { xalign=0, margin_end=7, hexpand=true };
+        count_label.add_css_class("dim-label");
 
-        Grid grid = new Grid() { margin_top=top?5:15, column_spacing=5, hexpand=true, visible=true };
+        Grid grid = new Grid() { margin_top=top?5:15, column_spacing=5, hexpand=true };
         grid.attach(title_label, 0, 0, 1, 1);
         grid.attach(count_label, 1, 0, 1, 1);
-        grid.attach(new Separator(Orientation.HORIZONTAL) { hexpand=true, vexpand=true, visible=true }, 0, 1, 2, 1);
+        grid.attach(new Separator(Orientation.HORIZONTAL) { hexpand=true, vexpand=true }, 0, 1, 2, 1);
         return grid;
     }
 
diff --git a/main/src/ui/occupant_menu/view.vala b/main/src/ui/occupant_menu/view.vala
index 35aa95f4..08e1e9ed 100644
--- a/main/src/ui/occupant_menu/view.vala
+++ b/main/src/ui/occupant_menu/view.vala
@@ -10,10 +10,10 @@ public class View : Popover {
     private StreamInteractor stream_interactor;
     private Conversation conversation;
 
-    private Stack stack = new Stack() { vhomogeneous=false, visible=true };
-    private Box list_box = new Box(Orientation.VERTICAL, 1) { visible=true };
+    private Stack stack = new Stack() { vhomogeneous=false };
+    private Box list_box = new Box(Orientation.VERTICAL, 1);
     private List? list = null;
-    private ListBox invite_list = new ListBox() { visible=true };
+    private ListBox invite_list = new ListBox();
     private Box? jid_menu = null;
 
     private Jid? selected_jid;
@@ -25,6 +25,7 @@ public class View : Popover {
         this.show.connect(initialize_list);
 
         invite_list.append(new ListRow.label("+", _("Invite")).get_widget());
+        invite_list.can_focus = false;
         list_box.append(invite_list);
         invite_list.row_activated.connect(on_invite_clicked);
 
@@ -44,7 +45,7 @@ public class View : Popover {
 
     private void initialize_list() {
         if (list == null) {
-            list = new List(stream_interactor, conversation) { visible=true };
+            list = new List(stream_interactor, conversation);
             list_box.prepend(list);
 
             list.list_box.row_activated.connect((row) => {
@@ -68,17 +69,17 @@ public class View : Popover {
         Jid? real_jid = stream_interactor.get_module(MucManager.IDENTITY).get_real_jid(jid, conversation.account);
         if (real_jid != null) name += "\n<span font=\'8\'>%s</span>".printf(Markup.escape_text(real_jid.bare_jid.to_string()));
 
-        Box header_box = new Box(Orientation.HORIZONTAL, 5) { visible=true };
-        header_box.append(new Image.from_icon_name("pan-start-symbolic") { visible=true });
-        header_box.append(new Label(name) { xalign=0, use_markup=true, hexpand=true, visible=true });
-        Button header_button = new Button() { has_frame=false, visible=true };
+        Box header_box = new Box(Orientation.HORIZONTAL, 5);
+        header_box.append(new Image.from_icon_name("pan-start-symbolic"));
+        header_box.append(new Label(name) { xalign=0, use_markup=true, hexpand=true });
+        Button header_button = new Button() { has_frame=false };
         header_button.child = header_box;
 
-        Box outer_box = new Box(Orientation.VERTICAL, 5) { visible=true };
+        Box outer_box = new Box(Orientation.VERTICAL, 5);
         outer_box.append(header_button);
         header_button.clicked.connect(show_list);
 
-        Button private_button = new Button.with_label(_("Start private conversation"))  { visible=true };
+        Button private_button = new Button.with_label(_("Start private conversation")) ;
         outer_box.append(private_button);
         private_button.clicked.connect(private_conversation_button_clicked);
 
@@ -86,19 +87,19 @@ public class View : Popover {
         Xmpp.Xep.Muc.Role? role = stream_interactor.get_module(MucManager.IDENTITY).get_role(own_jid, conversation.account);
 
         if (role ==  Xmpp.Xep.Muc.Role.MODERATOR && stream_interactor.get_module(MucManager.IDENTITY).kick_possible(conversation.account, jid)) {
-            Button kick_button = new Button.with_label(_("Kick"))  { visible=true };
+            Button kick_button = new Button.with_label(_("Kick")) ;
             outer_box.append(kick_button);
             kick_button.clicked.connect(kick_button_clicked);
         }
         if (stream_interactor.get_module(MucManager.IDENTITY).is_moderated_room(conversation.account, conversation.counterpart) && role ==  Xmpp.Xep.Muc.Role.MODERATOR){
             if (stream_interactor.get_module(MucManager.IDENTITY).get_role(selected_jid, conversation.account) ==  Xmpp.Xep.Muc.Role.VISITOR) {
-                Button voice_button = new Button.with_label(_("Grant write permission"))  { visible=true };
+                Button voice_button = new Button.with_label(_("Grant write permission")) ;
                 outer_box.append(voice_button);
                 voice_button.clicked.connect(() => 
                     voice_button_clicked("participant"));
             } 
             else if (stream_interactor.get_module(MucManager.IDENTITY).get_role(selected_jid, conversation.account) ==  Xmpp.Xep.Muc.Role.PARTICIPANT){
-                Button voice_button = new Button.with_label(_("Revoke write permission"))  { visible=true };
+                Button voice_button = new Button.with_label(_("Revoke write permission")) ;
                 outer_box.append(voice_button);
                 voice_button.clicked.connect(() => 
                     voice_button_clicked("visitor"));
diff --git a/main/src/ui/util/data_forms.vala b/main/src/ui/util/data_forms.vala
index 53439149..af8789a7 100644
--- a/main/src/ui/util/data_forms.vala
+++ b/main/src/ui/util/data_forms.vala
@@ -11,7 +11,7 @@ public static Widget? get_data_form_field_widget(DataForms.DataForm.Field field)
     switch (field.type_) {
         case DataForms.DataForm.Type.BOOLEAN:
             DataForms.DataForm.BooleanField boolean_field = field as DataForms.DataForm.BooleanField;
-            Switch sw = new Switch() { active=boolean_field.value, halign=Align.START, valign=Align.CENTER, visible=true };
+            Switch sw = new Switch() { active=boolean_field.value, halign=Align.START, valign=Align.CENTER };
             sw.state_set.connect((state) => {
                 boolean_field.value = state;
                 return false;
@@ -21,7 +21,7 @@ public static Widget? get_data_form_field_widget(DataForms.DataForm.Field field)
             return null;
         case DataForms.DataForm.Type.LIST_SINGLE:
             DataForms.DataForm.ListSingleField list_single_field = field as DataForms.DataForm.ListSingleField;
-            ComboBoxText combobox = new ComboBoxText() { valign=Align.CENTER, visible=true };
+            ComboBoxText combobox = new ComboBoxText() { valign=Align.CENTER };
             for (int i = 0; i < list_single_field.options.size; i++) {
                 DataForms.DataForm.Option option = list_single_field.options[i];
                 combobox.append(option.value, option.label);
@@ -35,7 +35,7 @@ public static Widget? get_data_form_field_widget(DataForms.DataForm.Field field)
             return null;
         case DataForms.DataForm.Type.TEXT_PRIVATE:
             DataForms.DataForm.TextPrivateField text_private_field = field as DataForms.DataForm.TextPrivateField;
-            Entry entry = new Entry() { text=text_private_field.value ?? "", valign=Align.CENTER, visible=true, visibility=false };
+            Entry entry = new Entry() { text=text_private_field.value ?? "", valign=Align.CENTER, visibility=false };
             var entry_key_events = new EventControllerKey();
             entry_key_events.key_released.connect(() => {
                 text_private_field.value = entry.text;
@@ -44,7 +44,7 @@ public static Widget? get_data_form_field_widget(DataForms.DataForm.Field field)
             return entry;
         case DataForms.DataForm.Type.TEXT_SINGLE:
             DataForms.DataForm.TextSingleField text_single_field = field as DataForms.DataForm.TextSingleField;
-            Entry entry = new Entry() { text=text_single_field.value ?? "", valign=Align.CENTER, visible=true };
+            Entry entry = new Entry() { text=text_single_field.value ?? "", valign=Align.CENTER };
             var entry_key_events = new EventControllerKey();
             entry_key_events.key_released.connect(() => {
                 text_single_field.value = entry.text;
diff --git a/main/src/ui/util/label_hybrid.vala b/main/src/ui/util/label_hybrid.vala
index d880ba6f..53f0fbca 100644
--- a/main/src/ui/util/label_hybrid.vala
+++ b/main/src/ui/util/label_hybrid.vala
@@ -6,12 +6,12 @@ namespace Dino.Ui.Util {
 public class LabelHybrid : Widget {
 
     public Stack stack = new Stack();
-    public Label label = new Label("") { visible=true, max_width_chars=1, ellipsize=Pango.EllipsizeMode.END };
-    protected Button button = new Button() { has_frame=false, visible=true };
+    public Label label = new Label("") { max_width_chars=1, ellipsize=Pango.EllipsizeMode.END };
+    protected Button button = new Button() { has_frame=false };
 
     internal virtual void init(Widget widget) {
         this.layout_manager = new BinLayout();
-        stack.insert_after(this, null);
+        stack.set_parent(this);
         button.child = label;
         stack.add_named(button, "label");
         stack.add_named(widget, "widget");
@@ -29,6 +29,10 @@ public class LabelHybrid : Widget {
     public void show_label() {
         stack.visible_child_name = "label";
     }
+
+    public override void dispose() {
+        stack.unparent();
+    }
 }
 
 public class EntryLabelHybrid : LabelHybrid {
@@ -58,7 +62,7 @@ public class EntryLabelHybrid : LabelHybrid {
     public Entry entry {
         get {
             if (entry_ == null) {
-                entry_ = new Entry() { visible=true };
+                entry_ = new Entry();
                 init(entry_);
             }
             return entry_;
@@ -71,10 +75,11 @@ public class EntryLabelHybrid : LabelHybrid {
     }
 
     internal override void init(Widget widget) {
-        Entry? e = widget as Entry; if (e == null) return;
+        Entry? e = widget as Entry;
+        if (e == null) return;
         entry = e;
         base.init(entry);
-        update_label();
+        set_label_label(entry.text);
 
         var key_events = new EventControllerKey();
         key_events.key_released.connect(on_key_released);
@@ -106,10 +111,6 @@ public class EntryLabelHybrid : LabelHybrid {
             label.label = filler;
         }
     }
-
-    private void update_label() {
-        text = text;
-    }
 }
 
 public class ComboBoxTextLabelHybrid : LabelHybrid {
@@ -128,7 +129,7 @@ public class ComboBoxTextLabelHybrid : LabelHybrid {
     public ComboBoxText combobox {
         get {
             if (combobox_ == null) {
-                combobox_ = new ComboBoxText() { visible=true };
+                combobox_ = new ComboBoxText();
                 init(combobox_);
             }
             return combobox_;
diff --git a/main/src/ui/util/scaling_image.vala b/main/src/ui/util/scaling_image.vala
index 3dd3221f..20ff6718 100644
--- a/main/src/ui/util/scaling_image.vala
+++ b/main/src/ui/util/scaling_image.vala
@@ -177,20 +177,6 @@ class ScalingImage : Widget {
         minimum_baseline = natural_baseline = -1;
     }
 
-//    public override void get_preferred_height_for_width(int width, out int minimum_height, out int natural_height) {
-//        double exact_width = width, exact_height = -1;
-//        calculate_size(ref exact_width, ref exact_height);
-//        natural_height = (int) Math.ceil(exact_height);
-//        minimum_height = natural_height;
-//    }
-//
-//    public override void get_preferred_width_for_height(int height, out int minimum_width, out int natural_width) {
-//        double exact_width = -1, exact_height = height;
-//        calculate_size(ref exact_width, ref exact_height);
-//        natural_width = (int) Math.ceil(exact_width);
-//        minimum_width = natural_width;
-//    }
-
     public override SizeRequestMode get_request_mode() {
         return SizeRequestMode.HEIGHT_FOR_WIDTH;
     }
diff --git a/main/src/ui/util/sizing_bin.vala b/main/src/ui/util/sizing_bin.vala
index 939022a1..c17cb3cc 100644
--- a/main/src/ui/util/sizing_bin.vala
+++ b/main/src/ui/util/sizing_bin.vala
@@ -33,5 +33,10 @@ public class SizingBin : Widget {
             natural = int.max(natural, minimum);
         }
     }
+
+    public override void dispose() {
+        var child = this.get_first_child();
+        if (child != null) child.unparent();
+    }
 }
 }
diff --git a/plugins/omemo/data/contact_details_dialog.ui b/plugins/omemo/data/contact_details_dialog.ui
index fdb9f1cf..9b4042cf 100644
--- a/plugins/omemo/data/contact_details_dialog.ui
+++ b/plugins/omemo/data/contact_details_dialog.ui
@@ -236,7 +236,6 @@
         <property name="position">left</property>
         <property name="child">
             <object class="GtkBox">
-                <property name="visible">True</property>
                 <property name="margin-start">10</property>
                 <property name="margin-end">10</property>
                 <property name="margin-top">10</property>
diff --git a/plugins/omemo/src/ui/bad_messages_populator.vala b/plugins/omemo/src/ui/bad_messages_populator.vala
index ca0bd35d..3cb3375b 100644
--- a/plugins/omemo/src/ui/bad_messages_populator.vala
+++ b/plugins/omemo/src/ui/bad_messages_populator.vala
@@ -159,8 +159,8 @@ public class BadMessagesWidget : Box {
         } else {
             warning_text += _("%s does not trust this device. That means, you might be missing messages.").printf(who);
         }
-        Label label = new Label(warning_text) { margin_start=70, margin_end=70, justify=Justification.CENTER, use_markup=true, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, hexpand=true, visible=true };
-        label.get_style_context().add_class("dim-label");
+        Label label = new Label(warning_text) { margin_start=70, margin_end=70, justify=Justification.CENTER, use_markup=true, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, hexpand=true };
+        label.add_css_class("dim-label");
         this.append(label);
 
         label.activate_link.connect(() => {
diff --git a/plugins/omemo/src/ui/contact_details_dialog.vala b/plugins/omemo/src/ui/contact_details_dialog.vala
index 80943824..ab216c58 100644
--- a/plugins/omemo/src/ui/contact_details_dialog.vala
+++ b/plugins/omemo/src/ui/contact_details_dialog.vala
@@ -109,7 +109,7 @@ public class ContactDetailsDialog : Gtk.Dialog {
             qrcode_image.set_from_pixbuf(qr_pixbuf);
             qrcode_image.margin_top = qrcode_image.margin_end =
                     qrcode_image.margin_bottom = qrcode_image.margin_start = QUIET_ZONE_MODULES*MODULE_SIZE_PX;
-            qrcode_popover.get_style_context().add_class("qrcode-container");
+            qrcode_popover.add_css_class("qrcode-container");
 
             show_qrcode_button.popover = qrcode_popover;
         }
@@ -260,12 +260,12 @@ public class ContactDetailsDialog : Gtk.Dialog {
 
         Button accept_button = new Button() { visible = true, valign = Align.CENTER, hexpand = true };
         accept_button.set_icon_name("emblem-ok-symbolic"); // using .image = sets .image-button. Together with .suggested/destructive action that breaks the button Adwaita
-        accept_button.get_style_context().add_class("suggested-action");
+        accept_button.add_css_class("suggested-action");
         accept_button.tooltip_text = _("Accept key");
 
         Button reject_button = new Button() { visible = true, valign = Align.CENTER, hexpand = true };
         reject_button.set_icon_name("action-unavailable-symbolic");
-        reject_button.get_style_context().add_class("destructive-action");
+        reject_button.add_css_class("destructive-action");
         reject_button.tooltip_text = _("Reject key");
 
         accept_button.clicked.connect(() => {
@@ -285,13 +285,13 @@ public class ContactDetailsDialog : Gtk.Dialog {
         });
 
         string res = fingerprint_markup(fingerprint_from_base64(device[plugin.db.identity_meta.identity_key_public_base64]));
-        Label fingerprint_label = new Label(res) { use_markup=true, justify=Justification.RIGHT, visible=true, halign = Align.START, valign = Align.CENTER, hexpand = false };
+        Label fingerprint_label = new Label(res) { use_markup=true, justify=Justification.RIGHT, halign = Align.START, valign = Align.CENTER, hexpand = false };
         box.append(fingerprint_label);
 
         Box control_box = new Box(Gtk.Orientation.HORIZONTAL, 0) { visible = true, hexpand = true };
         control_box.append(accept_button);
         control_box.append(reject_button);
-        control_box.get_style_context().add_class("linked"); // .linked: Visually link the accept / reject buttons
+        control_box.add_css_class("linked"); // .linked: Visually link the accept / reject buttons
         box.append(control_box);
 
         lbr.set_child(box);
@@ -304,7 +304,7 @@ public class ContactDetailsDialog : Gtk.Dialog {
 public class FingerprintRow : ListBoxRow {
 
     private Image trust_image = new Image() { visible = true, halign = Align.END };
-    private Label fingerprint_label = new Label("") { use_markup=true, justify=Justification.RIGHT, visible=true, halign = Align.START, valign = Align.CENTER, hexpand = false };
+    private Label fingerprint_label = new Label("") { use_markup=true, justify=Justification.RIGHT, halign = Align.START, valign = Align.CENTER, hexpand = false };
     private Label trust_label = new Label(null) { visible = true, hexpand = true, xalign = 0 };
 
     public Row row;
@@ -333,17 +333,17 @@ public class FingerprintRow : ListBoxRow {
             case TrustLevel.TRUSTED:
                 trust_image.icon_name = "emblem-ok-symbolic";
                 trust_label.set_markup("<span color='#1A63D9'>%s</span>".printf(_("Accepted")));
-                fingerprint_label.get_style_context().remove_class("dim-label");
+                fingerprint_label.remove_css_class("dim-label");
                 break;
             case TrustLevel.UNTRUSTED:
                 trust_image.icon_name = "action-unavailable-symbolic";
                 trust_label.set_markup("<span color='#D91900'>%s</span>".printf(_("Rejected")));
-                fingerprint_label.get_style_context().add_class("dim-label");
+                fingerprint_label.add_css_class("dim-label");
                 break;
             case TrustLevel.VERIFIED:
                 trust_image.icon_name = "security-high-symbolic";
                 trust_label.set_markup("<span color='#1A63D9'>%s</span>".printf(_("Verified")));
-                fingerprint_label.get_style_context().remove_class("dim-label");
+                fingerprint_label.remove_css_class("dim-label");
                 break;
         }
 
diff --git a/plugins/omemo/src/ui/device_notification_populator.vala b/plugins/omemo/src/ui/device_notification_populator.vala
index 9f40353d..fafe7a24 100644
--- a/plugins/omemo/src/ui/device_notification_populator.vala
+++ b/plugins/omemo/src/ui/device_notification_populator.vala
@@ -69,8 +69,8 @@ private class ConversationNotification : MetaConversationNotification {
         this.jid = jid;
         this.account = account;
 
-        Box box = new Box(Orientation.HORIZONTAL, 5) { visible=true };
-        Button manage_button = new Button.with_label(_("Manage")) { visible=true };
+        Box box = new Box(Orientation.HORIZONTAL, 5);
+        Button manage_button = new Button.with_label(_("Manage"));
         manage_button.clicked.connect(() => {
             manage_button.activate();
             ContactDetailsDialog dialog = new ContactDetailsDialog(plugin, account, jid);
@@ -80,7 +80,7 @@ private class ConversationNotification : MetaConversationNotification {
             });
             dialog.present();
         });
-        box.append(new Label(_("This contact has new devices")) { margin_end=10, visible=true });
+        box.append(new Label(_("This contact has new devices")) { margin_end=10 });
         box.append(manage_button);
         widget = box;
     }
diff --git a/plugins/omemo/src/ui/manage_key_dialog.vala b/plugins/omemo/src/ui/manage_key_dialog.vala
index a4b61f70..19f16a59 100644
--- a/plugins/omemo/src/ui/manage_key_dialog.vala
+++ b/plugins/omemo/src/ui/manage_key_dialog.vala
@@ -105,7 +105,7 @@ public class ManageKeyDialog : Gtk.Dialog {
         Pango.AttrList desc_attrs = new Pango.AttrList();
         desc_attrs.insert(Pango.attr_scale_new(0.8));
         lbl_desc.attributes = desc_attrs;
-        lbl_desc.get_style_context().add_class("dim-label");
+        lbl_desc.add_css_class("dim-label");
 
         box.append(lbl_title);
         box.append(lbl_desc);
diff --git a/plugins/openpgp/src/contact_details_provider.vala b/plugins/openpgp/src/contact_details_provider.vala
index db085a4d..9ec84c21 100644
--- a/plugins/openpgp/src/contact_details_provider.vala
+++ b/plugins/openpgp/src/contact_details_provider.vala
@@ -17,7 +17,7 @@ public class ContactDetailsProvider : Plugins.ContactDetailsProvider, Object {
         if (conversation.type_ == Conversation.Type.CHAT && type == WidgetType.GTK4) {
             string? key_id = stream_interactor.get_module(Manager.IDENTITY).get_key_id(conversation.account, conversation.counterpart);
             if (key_id != null) {
-                Label label = new Label("") { use_markup=true, justify=Justification.RIGHT, selectable=true, visible=true };
+                Label label = new Label("") { use_markup=true, justify=Justification.RIGHT, selectable=true };
                 Gee.List<GPG.Key>? keys = null;
                 try {
                     keys = GPGHelper.get_keylist(key_id);
diff --git a/plugins/rtp/src/video_widget.vala b/plugins/rtp/src/video_widget.vala
index 2ff857cd..6afa0c03 100644
--- a/plugins/rtp/src/video_widget.vala
+++ b/plugins/rtp/src/video_widget.vala
@@ -45,7 +45,7 @@ public class Dino.Plugins.Rtp.Paintable : Gdk.Paintable, Object {
                 image.get_intrinsic_height() != paintable.get_intrinsic_height() ||
                 image.get_intrinsic_aspect_ratio() != paintable.get_intrinsic_aspect_ratio();
 
-        this.image.dispose();
+        if (image != null) this.image.dispose();
         this.image = paintable;
         this.pixel_aspect_ratio = pixel_aspect_ratio;
 
-- 
cgit v1.2.3-54-g00ecf