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using Gdk;
using Gee;
using Gtk;
using Dino.Entities;
namespace Dino.Ui {
class SmileyConverter {
private TextView text_input;
private static HashMap<string, string> smiley_translations = new HashMap<string, string>();
private Regex whitespace_regex = /\s/;
static construct {
smiley_translations[":)"] = "🙂";
smiley_translations[":D"] = "😀";
smiley_translations[";)"] = "😉";
smiley_translations["O:)"] = "😇";
smiley_translations["O:-)"] = "😇";
smiley_translations["]:>"] = "😈";
smiley_translations[":o"] = "😮";
smiley_translations[":P"] = "😛";
smiley_translations[";P"] = "😜";
smiley_translations[":("] = "🙁";
smiley_translations[":'("] = "😢";
smiley_translations[":/"] = "😕";
smiley_translations["<3"] = "❤️";
smiley_translations[":*"] = "😘️";
smiley_translations[":-*"] = "😘️";
}
public SmileyConverter(TextView text_input) {
this.text_input = text_input;
var text_input_key_events = new EventControllerKey() { name = "dino-smiley-converter-key-events" };
text_input_key_events.key_pressed.connect(on_text_input_key_press);
text_input.add_controller(text_input_key_events);
}
public bool on_text_input_key_press(uint keyval, uint keycode, Gdk.ModifierType state) {
if (keyval == Key.space || keyval == Key.Return) {
check_convert();
}
return false;
}
private void check_convert() {
if (!Dino.Application.get_default().settings.convert_utf8_smileys) return;
TextIter? start_iter;
text_input.buffer.get_start_iter(out start_iter);
TextIter? cursor_iter;
text_input.buffer.get_iter_at_mark(out cursor_iter, text_input.buffer.get_insert());
if (start_iter == null || cursor_iter == null) return;
string text = text_input.buffer.get_text(start_iter, cursor_iter, true);
foreach (string smiley in smiley_translations.keys) {
if (text.has_suffix(smiley)) {
if (text.length == smiley.length || whitespace_regex.match(text[text.length - smiley.length - 1].to_string())) {
TextIter? end_iter;
text_input.buffer.get_end_iter(out end_iter);
if (end_iter == null) continue;
TextIter smiley_start_iter = cursor_iter;
smiley_start_iter.backward_chars(smiley.length);
text_input.buffer.delete(ref smiley_start_iter, ref cursor_iter);
text_input.buffer.insert_text(ref cursor_iter, smiley_translations[smiley], smiley_translations[smiley].length);
}
}
}
}
}
}
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