Use Label instead of TextView for message display

5 files changed, 91 insertions, 216 deletions

diff --git a/main/src/ui/conversation_summary/content_item_widget_factory.vala b/main/src/ui/conversation_summary/content_item_widget_factory.vala
index 8a2bf136..9e1edcb0 100644
--- a/main/src/ui/conversation_summary/content_item_widget_factory.vala
+++ b/main/src/ui/conversation_summary/content_item_widget_factory.vala
@@ -1,6 +1,7 @@
 using Gee;
 using Gdk;
 using Gtk;
+using Xmpp;
 
 using Dino.Entities;
 
@@ -51,33 +52,36 @@ public class MessageItemWidgetGenerator : WidgetGenerator, Object {
         Conversation conversation = message_item.conversation;
         Message message = message_item.message;
 
-        MessageTextView text_view = new MessageTextView() { 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, visible=true };
+        string markup_text = message.body;
+        if (markup_text.length > 10000) {
+            markup_text = markup_text.substring(0, 10000) + " [" + _("Message too long") + "]";
+        }
         if (message_item.message.body.has_prefix("/me")) {
-            text_view.add_text(message.body.substring(3));
-        } else {
-            text_view.add_text(message.body);
+            markup_text = markup_text.substring(3);
         }
-        if (conversation.type_ == Conversation.Type.GROUPCHAT)  {
-            text_view.highlight_word(conversation.nickname);
+        markup_text = Markup.escape_text(markup_text);
+
+        if (conversation.type_ == Conversation.Type.GROUPCHAT) {
+            markup_text = Util.make_word_bold_markup(markup_text, conversation.nickname);
         }
+
         if (message_item.message.body.has_prefix("/me")) {
             string display_name = Util.get_message_display_name(stream_interactor, message, conversation.account);
-            string color = Util.get_name_hex_color(stream_interactor, conversation.account, conversation.counterpart, Util.is_dark_theme(text_view));
-            TextTag nick_tag = text_view.buffer.create_tag(null, foreground: @"#$color");
-            TextIter iter;
-            text_view.buffer.get_start_iter(out iter);
-            text_view.buffer.insert_with_tags(ref iter, display_name, display_name.length, nick_tag);
-
-            text_view.style_updated.connect(() => update_style(stream_interactor, message, conversation, nick_tag, text_view));
-            text_view.realize.connect(() => update_style(stream_interactor, message, conversation, nick_tag, text_view));
+            update_me_style(stream_interactor, message.real_jid ?? message.from, display_name, conversation.account, label, markup_text);
+            label.realize.connect(() => update_me_style(stream_interactor, message.real_jid ?? message.from, display_name, conversation.account, label, markup_text));
+            label.style_updated.connect(() => update_me_style(stream_interactor, message.real_jid ?? message.from, display_name, conversation.account, label, markup_text));
         }
-        return text_view;
+
+        markup_text = Util.make_link_markup(markup_text);
+
+        label.label = markup_text;
+        return label;
     }
 
-    public static void update_style(StreamInteractor stream_interactor, Message message, Conversation conversation, TextTag nick_tag, TextView text_view) {
-        string color = Util.get_name_hex_color(stream_interactor, conversation.account, message.real_jid ?? message.from, Util.is_dark_theme(text_view));
-        nick_tag.foreground = "#" + color;
+    public static void update_me_style(StreamInteractor stream_interactor, Jid jid, string display_name, Account account, Label label, string action_text) {
+        string color = Util.get_name_hex_color(stream_interactor, account, jid, Util.is_dark_theme(label));
+        label.label = @"<span color=\"#$(color)\">$(Markup.escape_text(display_name))</span>" + action_text;
     }
 }
 
diff --git a/main/src/ui/conversation_summary/conversation_view.vala b/main/src/ui/conversation_summary/conversation_view.vala
index 9a3e5902..af6e96c1 100644
--- a/main/src/ui/conversation_summary/conversation_view.vala
+++ b/main/src/ui/conversation_summary/conversation_view.vala
@@ -61,24 +61,20 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
         return this;
     }
 
-    // Workaround GTK TextView issues: Delay first load of contents
     public void initialize_for_conversation(Conversation? conversation) {
+        // Workaround for rendering issues
         if (firstLoad) {
-            int timeout = firstLoad ? 1000 : 0;
-            Timeout.add(timeout, () => {
-                stack.set_visible_child_name("void");
-                initialize_for_conversation_(conversation);
-                display_latest();
-                stack.set_visible_child_name("main");
+            main.visible = false;
+            Idle.add(() => {
+                main.visible=true;
                 return false;
             });
             firstLoad = false;
-        } else {
-            stack.set_visible_child_name("void");
-            initialize_for_conversation_(conversation);
-            display_latest();
-            stack.set_visible_child_name("main");
         }
+        stack.set_visible_child_name("void");
+        initialize_for_conversation_(conversation);
+        display_latest();
+        stack.set_visible_child_name("main");
     }
 
     public void initialize_around_message(Conversation conversation, ContentItem content_item) {
@@ -232,7 +228,6 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
                     lower_start_item.encryption == item.encryption &&
                     (item.mark == Message.Marked.WONTSEND) == (lower_start_item.mark == Message.Marked.WONTSEND)) {
                 lower_skeleton.add_meta_item(item);
-                Util.force_alloc_width(lower_skeleton, main.get_allocated_width());
 
                 widgets[item] = widgets[lower_start_item];
                 item_item_skeletons[item] = lower_skeleton;
@@ -275,7 +270,6 @@ public class ConversationView : Box, Plugins.ConversationItemCollection {
             main.add(insert);
         }
         widgets[item] = insert;
-        Util.force_alloc_width(insert, main.get_allocated_width());
         main.reorder_child(insert, index);
 
         // If an item from the past was added, add everything between that item and the (post-)first present item
diff --git a/main/src/ui/conversation_summary/message_textview.vala b/main/src/ui/conversation_summary/message_textview.vala
deleted file mode 100644
index 71ca35f8..00000000
--- a/main/src/ui/conversation_summary/message_textview.vala
+++ /dev/null
@@ -1,157 +0,0 @@
-using Gdk;
-using Gtk;
-
-using Dino.Entities;
-
-namespace Dino.Ui.ConversationSummary {
-
-public class MessageTextView : TextView {
-
-    private TextTag link_tag;
-    private TextTag bold_tag;
-
-    public MessageTextView() {
-        Object(editable:false, hexpand:true, wrap_mode:WrapMode.WORD_CHAR);
-
-        link_tag = buffer.create_tag("url", underline: Pango.Underline.SINGLE, foreground: "blue");
-        bold_tag = buffer.create_tag("semibold", weight: Pango.Weight.SEMIBOLD);
-        button_release_event.connect((event_button) => {
-            if (event_button.button == 1) {
-                open_url(event_button);
-            }
-            return false;
-        });
-        motion_notify_event.connect(change_cursor_over_url);
-
-        update_display_style();
-        style_updated.connect(update_display_style);
-        populate_popup.connect(populate_context_menu);
-    }
-
-    // Workaround GTK TextView issues
-    public override void get_preferred_width (out int minimum_width, out int natural_width) {
-        base.get_preferred_width(out minimum_width, out natural_width);
-        minimum_width = 0;
-    }
-
-    public void add_text(string text_) {
-        string text = text_;
-        if (text.length > 10000) {
-            text = text.slice(0, 10000) + " [" + _("Message too long") + "]";
-        }
-        TextIter end;
-        buffer.get_end_iter(out end);
-        buffer.insert(ref end, text, -1);
-        format_suffix_urls(text);
-    }
-
-    public void highlight_word(string word) {
-        Regex word_regex = new Regex("""\b""" + Regex.escape_string(word) + """\b""");
-        MatchInfo match_info;
-        word_regex.match(buffer.text, 0, out match_info);
-        for (; match_info.matches(); match_info.next()) {
-            int start;
-            int end;
-            match_info.fetch_pos(0, out start, out end);
-            start = buffer.text[0:start].char_count();
-            end = buffer.text[0:end].char_count();
-            TextIter start_iter;
-            TextIter end_iter;
-            buffer.get_iter_at_offset(out start_iter, start);
-            buffer.get_iter_at_offset(out end_iter, end);
-            buffer.apply_tag(bold_tag, start_iter, end_iter);
-        }
-    }
-
-    private void update_display_style() {
-        LinkButton lnk = new LinkButton("http://example.com");
-        RGBA link_color = lnk.get_style_context().get_color(StateFlags.LINK);
-        link_tag.foreground_rgba = link_color;
-    }
-
-    private string? find_url_at_location(int x, int y) {
-        TextIter iter;
-        get_iter_at_location(out iter, x, y);
-        TextIter start_iter = iter, end_iter = iter;
-        if (start_iter.backward_to_tag_toggle(link_tag) && end_iter.forward_to_tag_toggle(link_tag)) {
-            return start_iter.get_text(end_iter);
-        }
-
-        return null;
-    }
-
-    private void populate_context_menu(Gtk.Menu popup) {
-        popup.@foreach((widget) => { widget.destroy(); });
-
-        Gdk.Window window = get_window(TextWindowType.TEXT);
-        List<weak Seat> seats = window.get_display().list_seats();
-        if (seats.length() > 0) {
-            int device_x, device_y;
-            window.get_device_position(seats.nth_data(0).get_pointer(), out device_x, out device_y, null);
-            string url = find_url_at_location(device_x, device_y);
-            if (url != null) {
-                Gtk.MenuItem copy_url_item = new Gtk.MenuItem.with_label(_("Copy Link Address")) { visible=true };
-                copy_url_item.activate.connect(() => {
-                    Clipboard.get_default(window.get_display()).set_text(url, url.length);
-                });
-                popup.append(copy_url_item);
-            }
-        }
-
-        Gtk.MenuItem copy_item = new Gtk.MenuItem.with_label(_("Copy")) { visible=true };
-        copy_item.sensitive = buffer.get_has_selection();
-        copy_item.activate.connect(() => this.copy_clipboard() );
-        popup.append(copy_item);
-
-        Gtk.MenuItem select_all_item = new Gtk.MenuItem.with_label(_("Select All")) { visible=true };
-        select_all_item.activate.connect(() => this.select_all(true) );
-        popup.append(select_all_item);
-    }
-
-    private void format_suffix_urls(string text) {
-        int absolute_start = buffer.text.char_count() - text.char_count();
-
-        Regex url_regex = new Regex("""(?i)\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))""");
-        MatchInfo match_info;
-        url_regex.match(text, 0, out match_info);
-        for (; match_info.matches(); match_info.next()) {
-            int start;
-            int end;
-            match_info.fetch_pos(0, out start, out end);
-            start = text[0:start].char_count();
-            end = text[0:end].char_count();
-            TextIter start_iter;
-            TextIter end_iter;
-            buffer.get_iter_at_offset(out start_iter, absolute_start + start);
-            buffer.get_iter_at_offset(out end_iter, absolute_start + end);
-            buffer.apply_tag(link_tag, start_iter, end_iter);
-        }
-    }
-
-    private bool open_url(EventButton event_button) {
-        int buffer_x, buffer_y;
-        window_to_buffer_coords(TextWindowType.TEXT, (int) event_button.x, (int) event_button.y, out buffer_x, out buffer_y);
-        string url = find_url_at_location(buffer_x, buffer_y);
-        if (url != null) {
-            try{
-                AppInfo.launch_default_for_uri(url, null);
-            } catch (Error err) {
-                print("Tried to open " + url);
-            }
-        }
-        return false;
-    }
-
-    private bool change_cursor_over_url(EventMotion event_motion) {
-        TextIter iter;
-        get_iter_at_location(out iter, (int) event_motion.x, (int) event_motion.y);
-        if (iter.has_tag(buffer.tag_table.lookup("url"))) {
-            event_motion.window.set_cursor(new Cursor.for_display(get_display(), CursorType.HAND2));
-        } else {
-            event_motion.window.set_cursor(new Cursor.for_display(get_display(), CursorType.XTERM));
-        }
-        return false;
-    }
-}
-
-}
diff --git a/main/src/ui/global_search.vala b/main/src/ui/global_search.vala
index 82aac76a..99a69e1b 100644
--- a/main/src/ui/global_search.vala
+++ b/main/src/ui/global_search.vala
@@ -148,7 +148,6 @@ class GlobalSearch : Overlay {
             }
 
             Widget match_widget = get_match_message_widget(item);
-            Util.force_alloc_width(match_widget, results_empty_stack.get_allocated_width() - results_box.margin * 2);
             context_box.add(match_widget);
 
             if (after_message != null && after_message.size > 0) {
@@ -188,30 +187,39 @@ class GlobalSearch : Overlay {
                 text = text.substring(0, 25) + " … " + text.substring(index - 50, 50) + text.substring(index, 100) + " … " + text.substring(text.length - 25, 25);
             }
         }
-        TextView tv = new TextView() { wrap_mode=Gtk.WrapMode.WORD_CHAR, hexpand=true, visible=true };
-        tv.buffer.text = text;
-        TextTag link_tag = tv.buffer.create_tag("hit", background: "yellow");
+        Label label = new Label("") { use_markup=true, xalign=0, selectable=true, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, vexpand=true, visible=true };
+        string markup_text = Markup.escape_text(text);
 
+        // Build regex containing all keywords
+        string regex_str = "(";
         Gee.List<string> keywords = get_keywords(Regex.escape_string(search.down()));
+        bool first = true;
         foreach (string keyword in keywords) {
-            Regex url_regex = new Regex(keyword.down());
-            MatchInfo match_info;
-            url_regex.match(text.down(), 0, out match_info);
-            for (; match_info.matches(); match_info.next()) {
-                int start;
-                int end;
-                match_info.fetch_pos(0, out start, out end);
-                start = text[0:start].char_count();
-                end = text[0:end].char_count();
-                TextIter start_iter;
-                TextIter end_iter;
-                tv.buffer.get_iter_at_offset(out start_iter, start);
-                tv.buffer.get_iter_at_offset(out end_iter, end);
-                tv.buffer.apply_tag(link_tag, start_iter, end_iter);
+            if (first) {
+                first = false;
+            } else {
+                regex_str += "|";
             }
+            regex_str += "\\b" + keyword;
+        }
+        regex_str += ")";
+
+        // Color the keywords
+        int elongated_by = 0;
+        Regex highlight_regex = new Regex(regex_str);
+        MatchInfo match_info;
+        string markup_text_bak = markup_text.down();
+        highlight_regex.match(markup_text_bak, 0, out match_info);
+        for (; match_info.matches(); match_info.next()) {
+            int start, end;
+            match_info.fetch_pos(0, out start, out end);
+            markup_text = markup_text[0:start+elongated_by] + "<span bgcolor=\"yellow\">" + markup_text[start+elongated_by:end+elongated_by] + "</span>" + markup_text[end+elongated_by:markup_text.length];
+            elongated_by += "<span bgcolor=\"yellow\">".length + "</span>".length;
         }
+        markup_text_bak += ""; // We need markup_text_bak to live until here because url_regex.match does not copy the string
 
-        grid.attach(tv, 1, 1, 1, 1);
+        label.label = markup_text;
+        grid.attach(label, 1, 1, 1, 1);
 
         Button button = new Button() { relief=ReliefStyle.NONE, visible=true };
         button.clicked.connect(() => {
diff --git a/main/src/ui/util/helper.vala b/main/src/ui/util/helper.vala
index 4e9e942d..06715ad6 100644
--- a/main/src/ui/util/helper.vala
+++ b/main/src/ui/util/helper.vala
@@ -138,13 +138,39 @@ public static bool is_24h_format() {
     return settings_format == "24h" || p_format == " ";
 }
 
-// Workaround GTK TextView issues
-public static void force_alloc_width(Widget widget, int width) {
-    Allocation alloc = Allocation();
-    widget.get_preferred_width(out alloc.width, null);
-    widget.get_preferred_height(out alloc.height, null);
-    alloc.width = width;
-    widget.size_allocate(alloc);
+public static string make_word_bold_markup(string s, string word) {
+    string ret = s;
+    int elongated_by = 0;
+    Regex highlight_regex = new Regex("\\b" + Regex.escape_string(word.down()) + "\\b");
+    MatchInfo match_info;
+    string markup_text_bak = s.down();
+    highlight_regex.match(markup_text_bak, 0, out match_info);
+    for (; match_info.matches(); match_info.next()) {
+        int start, end;
+        match_info.fetch_pos(0, out start, out end);
+        ret = ret[0:start+elongated_by] + "<b>" + ret[start+elongated_by:end+elongated_by] + "</b>" + ret[end+elongated_by:ret.length];
+        elongated_by += 7;
+    }
+    markup_text_bak += ""; // We need markup_text_bak to live until here because url_regex.match does not copy the string
+    return ret;
+}
+
+public static string make_link_markup(string s) {
+    string ret = s;
+    Regex url_regex = new Regex("""(?i)\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))""");
+    int elongated_by = 0;
+    MatchInfo match_info;
+    string markup_text_bak = ret.down();
+    url_regex.match(markup_text_bak, 0, out match_info);
+    for (; match_info.matches(); match_info.next()) {
+        int start, end;
+        match_info.fetch_pos(0, out start, out end);
+        string link = ret[start+elongated_by:end+elongated_by];
+        ret = ret[0:start+elongated_by] + "<a href=\"" + link + "\">" + link + "</a>" + ret[end+elongated_by:ret.length];
+        elongated_by += 15 + link.length;
+    }
+    markup_text_bak += ""; // We need markup_text_bak to live until here because url_regex.match does not copy the string
+    return ret;
 }
 
 }