feat(ui): Add ui to setup spell checking

src/persistence/settings.cpp

@@ -231,6 +231,7 @@ void Settings::loadGlobal()
         lightTrayIcon = s.value("lightTrayIcon", false).toBool();
         useEmoticons = s.value("useEmoticons", true).toBool();
         statusChangeNotificationEnabled = s.value("statusChangeNotificationEnabled", false).toBool();
+        spellCheckingEnabled = s.value("spellCheckingEnabled", true).toBool();
         themeColor = s.value("themeColor", 0).toInt();
         style = s.value("style", "").toString();
         if (style == "") // Default to Fusion if available, otherwise no style
@@ -547,6 +548,7 @@ void Settings::saveGlobal()
         s.setValue("themeColor", themeColor);
         s.setValue("style", style);
         s.setValue("statusChangeNotificationEnabled", statusChangeNotificationEnabled);
+        s.setValue("spellCheckingEnabled", spellCheckingEnabled);
     }
     s.endGroup();
 
@@ -1046,6 +1048,22 @@ void Settings::setStatusChangeNotificationEnabled(bool newValue)
     }
 }
 
+bool Settings::getSpellCheckingEnabled() const
+{
+    const QMutexLocker locker{&bigLock};
+    return spellCheckingEnabled;
+}
+
+void Settings::setSpellCheckingEnabled(bool newValue)
+{
+    QMutexLocker locker{&bigLock};
+
+    if (newValue != spellCheckingEnabled) {
+        spellCheckingEnabled = newValue;
+        emit statusChangeNotificationEnabledChanged(statusChangeNotificationEnabled);
+    }
+}
+
 bool Settings::getShowInFront() const
 {
     QMutexLocker locker{&bigLock};

src/persistence/settings.h

@@ -91,6 +91,8 @@ class Settings : public QObject, public ICoreSettings, public IFriendSettings,
     Q_PROPERTY(QString dateFormat READ getDateFormat WRITE setDateFormat NOTIFY dateFormatChanged FINAL)
     Q_PROPERTY(bool statusChangeNotificationEnabled READ getStatusChangeNotificationEnabled WRITE
                    setStatusChangeNotificationEnabled NOTIFY statusChangeNotificationEnabledChanged FINAL)
+    Q_PROPERTY(bool spellCheckingEnabled READ getSpellCheckingEnabled WRITE
+                   setSpellCheckingEnabled NOTIFY spellCheckingEnabledChanged FINAL)
 
     // Privacy
     Q_PROPERTY(bool typingNotification READ getTypingNotification WRITE setTypingNotification NOTIFY
@@ -212,6 +214,7 @@ signals:
     void timestampFormatChanged(const QString& format);
     void dateFormatChanged(const QString& format);
     void statusChangeNotificationEnabledChanged(bool enabled);
+    void spellCheckingEnabledChanged(bool enabled);
     void fauxOfflineMessagingChanged(bool enabled);
 
     // Privacy
@@ -449,6 +452,9 @@ public:
     bool getStatusChangeNotificationEnabled() const;
     void setStatusChangeNotificationEnabled(bool newValue);
 
+    bool getSpellCheckingEnabled() const;
+    void setSpellCheckingEnabled(bool newValue);
+
     // Privacy
     bool getTypingNotification() const;
     void setTypingNotification(bool enabled);
@@ -641,6 +647,7 @@ private:
     QString timestampFormat;
     QString dateFormat;
     bool statusChangeNotificationEnabled;
+    bool spellCheckingEnabled;
 
     // Privacy
     bool typingNotification;

src/widget/form/genericchatform.cpp

@@ -147,7 +147,9 @@ GenericChatForm::GenericChatForm(const Contact* contact, QWidget* parent)
 
     msgEdit = new ChatTextEdit();
 #ifdef SPELL_CHECKING
-    decorator = new Sonnet::SpellCheckDecorator(msgEdit);
+    if (s.getSpellCheckingEnabled()) {
+        decorator = new Sonnet::SpellCheckDecorator(msgEdit);
+    }
 #endif
 
     sendButton = createButton("sendButton", this, &GenericChatForm::onSendTriggered);

src/widget/form/settings/generalform.cpp

@@ -105,6 +105,11 @@ GeneralForm::GeneralForm(SettingsWidget* myParent)
 #else
     bodyUI->checkUpdates->setVisible(false);
 #endif
+
+#ifndef SPELL_CHECKING
+    bodyUI->cbSpellChecking->setVisible(false);
+#endif
+
     bodyUI->checkUpdates->setChecked(s.getCheckUpdates());
 
     for (int i = 0; i < locales.size(); ++i) {
@@ -126,6 +131,7 @@ GeneralForm::GeneralForm(SettingsWidget* myParent)
 
     bodyUI->cbAutorun->setChecked(s.getAutorun());
 
+    bodyUI->cbSpellChecking->setChecked(s.getSpellCheckingEnabled());
     bodyUI->lightTrayIcon->setChecked(s.getLightTrayIcon());
     bool showSystemTray = s.getShowSystemTray();
 
@@ -172,6 +178,11 @@ void GeneralForm::on_cbAutorun_stateChanged()
     Settings::getInstance().setAutorun(bodyUI->cbAutorun->isChecked());
 }
 
+void GeneralForm::on_cbSpellChecking_stateChanged()
+{
+    Settings::getInstance().setSpellCheckingEnabled(bodyUI->cbSpellChecking->isChecked());
+}
+
 void GeneralForm::on_showSystemTray_stateChanged()
 {
     Settings::getInstance().setShowSystemTray(bodyUI->showSystemTray->isChecked());

src/widget/form/settings/generalform.h

@@ -42,6 +42,7 @@ public:
 private slots:
     void on_transComboBox_currentIndexChanged(int index);
     void on_cbAutorun_stateChanged();
+    void on_cbSpellChecking_stateChanged();
     void on_showSystemTray_stateChanged();
     void on_startInTray_stateChanged();
     void on_closeToTray_stateChanged();

src/widget/form/settings/generalsettings.ui

@@ -119,6 +119,13 @@
           </item>
           <item>
            <layout class="QVBoxLayout" name="verticalLayout_6">
+            <item>
+             <widget class="QCheckBox" name="cbSpellChecking">
+              <property name="text">
+               <string>Spell checking</string>
+              </property>
+             </widget>
+            </item>
             <item>
              <widget class="QCheckBox" name="lightTrayIcon">
               <property name="sizePolicy">