dino/main/src/ui/chat_input/spell_checker.vala

81 lines
3.1 KiB
Vala

using Gdk;
using Gee;
using Dino.Entities;
namespace Dino.Ui {
public class SpellChecker {
private Conversation? conversation;
private Gtk.TextView text_input;
public SpellChecker(Gtk.TextView text_input) {
this.text_input = text_input;
// We can't keep a reference to GspellTextView/Buffer around, otherwise they'd get freed twice
Gspell.TextView text_view = Gspell.TextView.get_from_gtk_text_view(text_input);
Gspell.TextBuffer text_buffer = Gspell.TextBuffer.get_from_gtk_text_buffer(text_view.view.buffer);
text_view.basic_setup();
text_buffer.spell_checker.notify["language"].connect(lang_changed);
// Enable/Disable spell checking live
Dino.Application.get_default().settings.notify["check-spelling"].connect((obj, _) => {
if (((Dino.Entities.Settings) obj).check_spelling) {
initialize_for_conversation(this.conversation);
} else {
text_buffer.set_spell_checker(null);
}
});
}
public void initialize_for_conversation(Conversation conversation) {
this.conversation = conversation;
Gspell.TextView text_view = Gspell.TextView.get_from_gtk_text_view(text_input);
Gspell.TextBuffer text_buffer = Gspell.TextBuffer.get_from_gtk_text_buffer(text_view.view.buffer);
if (!Dino.Application.get_default().settings.check_spelling) {
text_buffer.set_spell_checker(null);
return;
}
if (text_buffer.spell_checker == null) text_buffer.spell_checker = new Gspell.Checker(null);
// Set the conversation language (from cache or db)
text_buffer.spell_checker.notify["language"].disconnect(lang_changed);
var db = Dino.Application.get_default().db;
Qlite.RowOption row_option = db.conversation_settings.select()
.with(db.conversation_settings.conversation_id, "=", conversation.id)
.with(db.conversation_settings.key, "=", "lang")
.single().row();
if (row_option.is_present()) {
string lang_code = row_option.inner[db.conversation_settings.value];
Gspell.Language? lang = Gspell.Language.lookup(lang_code);
text_buffer.spell_checker.language = lang;
} else {
text_buffer.spell_checker.language = null;
}
text_buffer.spell_checker.notify["language"].connect(lang_changed);
}
private void lang_changed() {
var db = Dino.Application.get_default().db;
Gspell.TextView text_view = Gspell.TextView.get_from_gtk_text_view(text_input);
Gspell.TextBuffer text_buffer = Gspell.TextBuffer.get_from_gtk_text_buffer(text_view.view.buffer);
Gspell.Checker spell_checker = text_buffer.spell_checker;
if (spell_checker.language.get_code() == null) return;
db.conversation_settings.upsert()
.value(db.conversation_settings.conversation_id, conversation.id, true)
.value(db.conversation_settings.key, "lang", true)
.value(db.conversation_settings.value, spell_checker.language.get_code())
.perform();
}
}
}