diff options
Diffstat (limited to 'main/src/ui/conversation_summary/message_textview.vala')
| -rw-r--r-- | main/src/ui/conversation_summary/message_textview.vala | 87 |
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; + } +} + +}
\ No newline at end of file |