Display /me differently

fixes #12

1 files changed, 87 insertions, 0 deletions

diff --git a/main/src/ui/conversation_summary/message_textview.vala b/main/src/ui/conversation_summary/message_textview.vala
new file mode 100644
index 00000000..6474a1a3
--- /dev/null
+++ b/main/src/ui/conversation_summary/message_textview.vala
@@ -0,0 +1,87 @@
+using Gdk;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui.ConversationSummary {
+
+public class MessageTextView : TextView {
+
+    private TextTag link_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");
+        button_release_event.connect(open_url);
+        motion_notify_event.connect(change_cursor_over_url);
+
+        update_display_style();
+        Util.force_base_background(this, "textview, text:not(:selected)");
+        style_updated.connect(update_display_style);
+    }
+
+    public void add_text(string text) {
+        TextIter end;
+        buffer.get_end_iter(out end);
+        buffer.insert(ref end, text, -1);
+        format_suffix_urls(text);
+    }
+
+    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 void format_suffix_urls(string text) {
+        int absolute_start = buffer.text.length - text.length;
+
+        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()) {
+            string? url = match_info.fetch(0);
+            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_by_name("url", 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);
+        TextIter iter;
+        get_iter_at_location(out iter, buffer_x, buffer_y);
+        TextIter start_iter = iter, end_iter = iter;
+        if (start_iter.backward_to_tag_toggle(null) && end_iter.forward_to_tag_toggle(null)) {
+            string url = start_iter.get_text(end_iter);
+            try{
+                AppInfo.launch_default_for_uri(url, null);
+            } catch (Error err) {
+                print("Tryed 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;
+    }
+}
+
+}
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