87 lines
3.2 KiB
Vala
87 lines
3.2 KiB
Vala
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using Gdk;
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using Gtk;
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using Dino.Entities;
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namespace Dino.Ui.ConversationSummary {
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public class MessageTextView : TextView {
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private TextTag link_tag;
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public MessageTextView() {
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Object(editable:false, hexpand:true, wrap_mode:WrapMode.WORD_CHAR);
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link_tag = buffer.create_tag("url", underline: Pango.Underline.SINGLE, foreground: "blue");
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button_release_event.connect(open_url);
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motion_notify_event.connect(change_cursor_over_url);
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update_display_style();
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Util.force_base_background(this, "textview, text:not(:selected)");
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style_updated.connect(update_display_style);
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}
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public void add_text(string text) {
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TextIter end;
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buffer.get_end_iter(out end);
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buffer.insert(ref end, text, -1);
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format_suffix_urls(text);
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}
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private void update_display_style() {
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LinkButton lnk = new LinkButton("http://example.com");
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RGBA link_color = lnk.get_style_context().get_color(StateFlags.LINK);
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link_tag.foreground_rgba = link_color;
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}
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private void format_suffix_urls(string text) {
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int absolute_start = buffer.text.length - text.length;
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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`!()\[\]{};:'".,<>?«»“”‘’]))""");
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MatchInfo match_info;
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url_regex.match(text, 0, out match_info);
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for (; match_info.matches(); match_info.next()) {
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string? url = match_info.fetch(0);
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int start;
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int end;
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match_info.fetch_pos(0, out start, out end);
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start = text[0:start].char_count();
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end = text[0:end].char_count();
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TextIter start_iter;
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TextIter end_iter;
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buffer.get_iter_at_offset(out start_iter, absolute_start + start);
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buffer.get_iter_at_offset(out end_iter, absolute_start + end);
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buffer.apply_tag_by_name("url", start_iter, end_iter);
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}
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}
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private bool open_url(EventButton event_button) {
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int buffer_x, buffer_y;
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window_to_buffer_coords(TextWindowType.TEXT, (int) event_button.x, (int) event_button.y, out buffer_x, out buffer_y);
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TextIter iter;
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get_iter_at_location(out iter, buffer_x, buffer_y);
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TextIter start_iter = iter, end_iter = iter;
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if (start_iter.backward_to_tag_toggle(null) && end_iter.forward_to_tag_toggle(null)) {
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string url = start_iter.get_text(end_iter);
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try{
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AppInfo.launch_default_for_uri(url, null);
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} catch (Error err) {
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print("Tryed to open " + url);
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}
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}
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return false;
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}
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private bool change_cursor_over_url(EventMotion event_motion) {
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TextIter iter;
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get_iter_at_location(out iter, (int) event_motion.x, (int) event_motion.y);
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if (iter.has_tag(buffer.tag_table.lookup("url"))) {
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event_motion.window.set_cursor(new Cursor.for_display(get_display(), CursorType.HAND2));
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} else {
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event_motion.window.set_cursor(new Cursor.for_display(get_display(), CursorType.XTERM));
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}
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return false;
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}
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}
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}
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