From f12fc371a3bd00ac8c3183099d9d54528ef46bf0 Mon Sep 17 00:00:00 2001
From: fiaxh <git@lightrise.org>
Date: Thu, 21 Jan 2021 15:39:36 +0100
Subject: Make spell checking a setting, store language per conversation

---
 main/src/ui/chat_input/spell_checker.vala | 58 +++++++++++++++++++++++++------
 1 file changed, 48 insertions(+), 10 deletions(-)

(limited to 'main/src/ui/chat_input')

diff --git a/main/src/ui/chat_input/spell_checker.vala b/main/src/ui/chat_input/spell_checker.vala
index a05d9251..8359b1b4 100644
--- a/main/src/ui/chat_input/spell_checker.vala
+++ b/main/src/ui/chat_input/spell_checker.vala
@@ -9,26 +9,64 @@ namespace Dino.Ui {
 public class SpellChecker {
 
     private Conversation? conversation;
-    private TextView gspell_view;
-    private HashMap<Conversation, Language> language_cache = new HashMap<Conversation, Language>(Conversation.hash_func, Conversation.equals_func);
+    private TextView text_view;
+    private TextBuffer text_buffer;
 
     public SpellChecker(Gtk.TextView text_input) {
-        this.gspell_view = TextView.get_from_gtk_text_view(text_input);
-        gspell_view.basic_setup();
+        this.text_view = TextView.get_from_gtk_text_view(text_input);
+        this.text_buffer = 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) {
-        Checker spell_checker = TextBuffer.get_from_gtk_text_buffer(gspell_view.view.buffer).spell_checker;
+        this.conversation = conversation;
 
-        if (this.conversation != null) language_cache[this.conversation] = spell_checker.language;
+        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 Checker(null);
 
-        this.conversation = conversation;
+        // Set the conversation language (from cache or db)
+        text_buffer.spell_checker.notify["language"].disconnect(lang_changed);
 
-        if (language_cache.has_key(this.conversation)) {
-            spell_checker.language = language_cache[conversation];
+        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];
+            Language? lang = Language.lookup(lang_code);
+            text_buffer.spell_checker.language = lang;
         } else {
-            spell_checker.language = null;
+            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;
+
+        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();
     }
 }
 
-- 
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