From 871ff33ac79f3d17b0260b8bfcd27780038edd6d Mon Sep 17 00:00:00 2001
From: fiaxh <git@lightrise.org>
Date: Fri, 3 Apr 2020 22:49:59 +0200
Subject: Add support for last message correction

---
 main/src/ui/chat_input/chat_text_view.vala | 91 ++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 main/src/ui/chat_input/chat_text_view.vala

(limited to 'main/src/ui/chat_input/chat_text_view.vala')

diff --git a/main/src/ui/chat_input/chat_text_view.vala b/main/src/ui/chat_input/chat_text_view.vala
new file mode 100644
index 00000000..1155d21d
--- /dev/null
+++ b/main/src/ui/chat_input/chat_text_view.vala
@@ -0,0 +1,91 @@
+using Gdk;
+using Gee;
+using Gtk;
+
+using Dino.Entities;
+using Xmpp;
+
+namespace Dino.Ui {
+
+public class ChatTextViewController : Object {
+
+    public signal void send_text();
+
+    public OccupantsTabCompletor occupants_tab_completor;
+
+    private ChatTextView widget;
+
+    public ChatTextViewController(ChatTextView widget, StreamInteractor stream_interactor) {
+        this.widget = widget;
+        occupants_tab_completor = new OccupantsTabCompletor(stream_interactor, widget.text_view);
+
+        widget.send_text.connect(() => {
+            send_text();
+        });
+    }
+
+    public void initialize_for_conversation(Conversation conversation) {
+        occupants_tab_completor.initialize_for_conversation(conversation);
+        widget.initialize_for_conversation(conversation);
+    }
+}
+
+public class ChatTextView : ScrolledWindow {
+
+    public signal void send_text();
+    public signal void cancel_input();
+
+    public TextView text_view = new TextView() { can_focus=true, hexpand=true, margin=8, wrap_mode=Gtk.WrapMode.WORD_CHAR, valign=Align.CENTER, visible=true };
+    private int vscrollbar_min_height;
+    private SmileyConverter smiley_converter;
+    public EditHistory edit_history;
+
+    construct {
+        max_content_height = 300;
+        propagate_natural_height = true;
+        this.add(text_view);
+
+        smiley_converter = new SmileyConverter(text_view);
+        edit_history = new EditHistory(text_view);
+
+        this.get_vscrollbar().get_preferred_height(out vscrollbar_min_height, null);
+        this.vadjustment.notify["upper"].connect_after(on_upper_notify);
+        text_view.key_press_event.connect(on_text_input_key_press);
+
+        Gtk.drag_dest_unset(text_view);
+    }
+
+    public void initialize_for_conversation(Conversation conversation) {
+        edit_history.initialize_for_conversation(conversation);
+    }
+
+    public override void get_preferred_height(out int min_height, out int nat_height) {
+        base.get_preferred_height(out min_height, out nat_height);
+        min_height = nat_height;
+    }
+
+    private void on_upper_notify() {
+        this.vadjustment.value = this.vadjustment.upper - this.vadjustment.page_size;
+
+        // hack for vscrollbar not requiring space and making textview higher //TODO doesn't resize immediately
+        this.get_vscrollbar().visible = (this.vadjustment.upper > this.max_content_height - 2 * this.vscrollbar_min_height);
+    }
+
+    private bool on_text_input_key_press(EventKey event) {
+        if (event.keyval in new uint[]{Key.Return, Key.KP_Enter}) {
+            if ((event.state & ModifierType.SHIFT_MASK) > 0) {
+                text_view.buffer.insert_at_cursor("\n", 1);
+            } else if (text_view.buffer.text != "") {
+                send_text();
+                edit_history.reset_history();
+            }
+            return true;
+        }
+        if (event.keyval == Key.Escape) {
+            cancel_input();
+        }
+        return false;
+    }
+}
+
+}
-- 
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