Add Spell Check config to Preferences

Spell checking now works with QtWebEngine >= 5.8

src/lib/app/mainapplication.cpp

@@ -894,6 +894,13 @@ void MainApplication::loadSettings()
     const bool allowCache = settings.value(QSL("Web-Browser-Settings/AllowLocalCache"), true).toBool();
     profile->setHttpCacheType(allowCache ? QWebEngineProfile::DiskHttpCache : QWebEngineProfile::MemoryHttpCache);
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
+    settings.beginGroup(QSL("SpellCheck"));
+    profile->setSpellCheckEnabled(settings.value(QSL("Enabled"), false).toBool());
+    profile->setSpellCheckLanguage(settings.value(QSL("Language"), QString()).toString());
+    settings.endGroup();
+#endif
+
     if (isPrivate()) {
         webSettings->setAttribute(QWebEngineSettings::LocalStorageEnabled, false);
         history()->setSaving(false);

src/lib/data/icons.qrc

@@ -66,5 +66,6 @@
         <file>icons/other/startpage.png</file>
         <file>icons/other/audioplaying.png</file>
         <file>icons/other/audiomuted.png</file>
+        <file>icons/preferences/tools-check-spelling.png</file>
     </qresource>
 </RCC>

src/lib/preferences/preferences.cpp

@@ -58,11 +58,16 @@
 #include <QDesktopWidget>
 #include <QWebEngineProfile>
 #include <QWebEngineSettings>
+#include <QLibraryInfo>
 
 static QString createLanguageItem(const QString &lang)
 {
     QLocale locale(lang);
 
+    if (locale.language() == QLocale::C) {
+        return lang;
+    }
+
     QString country = QLocale::countryToString(locale.country());
     QString language = QLocale::languageToString(locale.language());
 
@@ -119,7 +124,8 @@ Preferences::Preferences(BrowserWindow* window)
     ui->listWidget->item(8)->setIcon(QIcon::fromTheme("preferences-system-firewall", QIcon(":/icons/preferences/preferences-system-firewall.png")));
     ui->listWidget->item(9)->setIcon(QIcon::fromTheme("dialog-question", QIcon(":/icons/preferences/dialog-question.png")));
     ui->listWidget->item(10)->setIcon(QIcon::fromTheme("extension", QIcon(":/icons/preferences/extension.png")));
-    ui->listWidget->item(11)->setIcon(QIcon::fromTheme("applications-system", QIcon(":/icons/preferences/applications-system.png")));
+    ui->listWidget->item(11)->setIcon(QIcon::fromTheme("tools-check-spelling", QIcon(":/icons/preferences/tools-check-spelling.png")));
+    ui->listWidget->item(12)->setIcon(QIcon::fromTheme("applications-system", QIcon(":/icons/preferences/applications-system.png")));
 
     Settings settings;
     //GENERAL URLs
@@ -395,6 +401,34 @@ Preferences::Preferences(BrowserWindow* window)
     m_notifPosition = settings.value("Position", QPoint(10, 10)).toPoint();
     settings.endGroup();
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
+    //SPELLCHECK
+    settings.beginGroup(QSL("SpellCheck"));
+    ui->spellcheckEnabled->setChecked(settings.value(QSL("Enabled"), false).toBool());
+    const QString spellcheckLanguage = settings.value(QSL("Language")).toString();
+    settings.endGroup();
+
+    const QStringList dictionariesDirs = {
+        QCoreApplication::applicationDirPath() + QL1S("/qtwebengine_dictionaries"),
+        QLibraryInfo::location(QLibraryInfo::DataPath) + QL1S("/qtwebengine_dictionaries")
+    };
+
+    for (const QString &path : dictionariesDirs) {
+        QDir dir(path);
+        const QStringList files = dir.entryList({QSL("*.bdic")});
+        for (const QString &file : files) {
+            const QString lang = file.left(file.size() - 5);
+            ui->spellcheckLanguage->addItem(createLanguageItem(lang), lang);
+            if (lang == spellcheckLanguage) {
+                ui->spellcheckLanguage->setCurrentIndex(ui->spellcheckLanguage->count() - 1);
+            }
+        }
+    }
+#else
+    delete ui->listWidget->item(11);
+    delete ui->stackedWidget->widget(11);
+#endif
+
     //OTHER
     //Languages
     QString activeLanguage = mApp->currentLanguage();
@@ -948,6 +982,14 @@ void Preferences::saveSettings()
     settings.setValue("Position", m_notification.data() ? m_notification.data()->pos() : m_notifPosition);
     settings.endGroup();
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
+    //SPELLCHECK
+    settings.beginGroup(QSL("SpellCheck"));
+    settings.setValue("Enabled", ui->spellcheckEnabled->isChecked());
+    settings.setValue("Language", ui->spellcheckLanguage->currentData().toString());
+    settings.endGroup();
+#endif
+
     //OTHER
     //AddressBar
     settings.beginGroup("AddressBar");

src/lib/preferences/preferences.ui

@@ -110,6 +110,11 @@
        <string>Extensions</string>
       </property>
      </item>
+     <item>
+      <property name="text">
+       <string>Spell Check</string>
+      </property>
+     </item>
      <item>
       <property name="text">
        <string>Other</string>
@@ -2275,6 +2280,66 @@
            </item>
           </layout>
          </widget>
+         <widget class="QWidget" name="spellcheckPage">
+          <layout class="QGridLayout" name="gridLayout_20">
+           <item row="2" column="3">
+            <spacer name="horizontalSpacer_16">
+             <property name="orientation">
+              <enum>Qt::Horizontal</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>40</width>
+               <height>20</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item row="2" column="1">
+            <widget class="QLabel" name="label_7">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Maximum" vsizetype="Preferred">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="text">
+              <string>Language:</string>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="2">
+            <widget class="QComboBox" name="spellcheckLanguage"/>
+           </item>
+           <item row="3" column="1">
+            <spacer name="verticalSpacer_17">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>20</width>
+               <height>40</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+           <item row="0" column="0" colspan="4">
+            <widget class="QLabel" name="label_10">
+             <property name="text">
+              <string>&lt;b&gt;Spell Check&lt;/b&gt;</string>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1" colspan="2">
+            <widget class="QCheckBox" name="spellcheckEnabled">
+             <property name="text">
+              <string>Enable Spell Check</string>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
          <widget class="QWidget" name="otherPage">
           <layout class="QGridLayout" name="gridLayout_13">
            <item row="9" column="0" colspan="4">