Added language setting menu. #312

KeyhoteeApplication.cpp

@@ -314,10 +314,20 @@ int TKeyhoteeApplication::run()
     setOrganizationName("Invictus Innovations, Inc");
     setApplicationName(APP_NAME);
 
-    QString locale = QLocale::system().name();
+    QSettings settings("Invictus Innovations", "Keyhotee");
+    QString locale = settings.value("Language", "").toString();
+
+    /// If empty set default system locale
+    if (locale.isEmpty())
+    {
+      locale = QLocale::system().name();
+      settings.setValue("Language", locale);
+    }
+
     QTranslator translator;
-    translator.load(QString(":/keyhotee_")+locale);
-    installTranslator(&translator);
+    bool loadOk = translator.load(QString(":/keyhotee_") + locale);
+    if (loadOk)
+      installTranslator(&translator);
 
     if(_loaded_profile_name.isEmpty())
     {

KeyhoteeMainWindow.cpp

@@ -27,6 +27,7 @@
 #include <fc/log/logger.hpp>
 
 /// QT headers:
+#include <QAction>
 #include <QCompleter>
 #include <QLabel>
 #include <QLineEdit>
@@ -69,6 +70,8 @@ KeyhoteeMainWindow::KeyhoteeMainWindow(const TKeyhoteeApplication& mainApp) :
   ui = new Ui::KeyhoteeMainWindow;
   ui->setupUi(this);
 
+  initMenuLanguage();
+
   QString profileName = mainApp.getLoadedProfileName();
 
   QString title = QString("%1 v%2 (%3)").arg(mainApp.getAppName().c_str()).arg(mainApp.getVersionNumberString().c_str()).arg(profileName);
@@ -147,6 +150,8 @@ KeyhoteeMainWindow::KeyhoteeMainWindow(const TKeyhoteeApplication& mainApp) :
   connect(ui->actionShow_Contacts, &QAction::triggered, this, &KeyhoteeMainWindow::showContacts);
   connect(ui->actionRequest_authorization, &QAction::triggered, this, &KeyhoteeMainWindow::onRequestAuthorization);
   connect(ui->actionShare_contact, &QAction::triggered, this, &KeyhoteeMainWindow::onShareContact);
+  // Language
+  connect(ui->menuLanguage, SIGNAL(triggered(QAction*)), this, SLOT(onLanguageChanged(QAction*)));
   // Help
   connect(ui->actionDiagnostic, &QAction::triggered, this, &KeyhoteeMainWindow::onDiagnostic);
   connect(ui->actionAbout, &QAction::triggered, this, &KeyhoteeMainWindow::onAbout);
@@ -1358,3 +1363,57 @@ void KeyhoteeMainWindow::onShareContact()
   assert(contacts.size());
   shareContact(contacts);
 }
+
+
+void KeyhoteeMainWindow::initMenuLanguage()
+{
+  _actionsLang.push_back(ui->actionChinese);
+  ui->actionChinese->setData(QLocale(QLocale::Chinese, QLocale::China).name());
+
+  _actionsLang.push_back(ui->actionEnglish);
+  ui->actionEnglish->setData(QLocale(QLocale::English, QLocale::UnitedStates).name());
+
+  _actionsLang.push_back(ui->actionPolish);
+  ui->actionPolish->setData(QLocale(QLocale::Polish, QLocale::Poland).name());
+
+  _actionsLang.push_back(ui->actionPortuguese);
+  ui->actionPortuguese->setData(QLocale(QLocale::Portuguese, QLocale::Portugal).name());
+
+  _actionsLang.push_back(ui->actionSpanish);
+  ui->actionSpanish->setData(QLocale(QLocale::Spanish, QLocale::AnyCountry).name());
+
+  _actionsLang.push_back(ui->actionSpanish_Chile);
+  ui->actionSpanish_Chile->setData(QLocale(QLocale::Spanish, QLocale::Chile).name());
+
+  QSettings settings("Invictus Innovations", "Keyhotee");
+  QString locale = settings.value("Language", "").toString();
+  /// Set checked language action
+  for (const auto& v : _actionsLang)
+  {
+    if (locale == v->data().toString())
+    {
+      v->setChecked(true);
+      return;
+    }
+  }
+  /// If not found language set english action
+  ui->actionEnglish->setChecked(true);
+  return;
+}
+
+void KeyhoteeMainWindow::onLanguageChanged(QAction* langAction)
+{
+  QString localeName = langAction->data().toString();
+
+  /// Clear checked state for all languages
+  for (const auto& v : _actionsLang)
+    v->setChecked(false);
+
+  langAction->setChecked(true);
+
+  QSettings settings("Invictus Innovations", "Keyhotee");
+  settings.setValue("Language", localeName);
+
+  QMessageBox::information(this, tr("Change language"),
+    tr("Please restart application for the changes to take effect") );
+}

KeyhoteeMainWindow.hpp

@@ -34,6 +34,7 @@ class MenuEditControl;
 class KeyhoteeMainWindow;
 class TKeyhoteeApplication;
 
+class QAction;
 class QCompleter;
 class QLineEdit;
 class QTreeWidgetItem;
@@ -144,6 +145,8 @@ private slots:
   void onSetIcon();
   void onRequestAuthorization();
   void onShareContact();
+  // Language
+  void onLanguageChanged(QAction*);
   // Help
   void onDiagnostic();
   void onAbout();
@@ -190,6 +193,7 @@ private slots:
   void addContact();
   void processResponse(const TAuthorizationMessage& msg, const TStoredMailMessage& header);
   void loadStoredRequests(bts::bitchat::message_db_ptr request_db);
+  void initMenuLanguage();
 
   /// Class attributes:
 
@@ -224,6 +228,7 @@ private slots:
   QList <Mailbox*>                        _mailboxesList;
   /// Set to true when close event processing is in progress (it wasn't yet accepted nor ignored)
   bool                                    _isClosing;
+  QList <QAction*>                        _actionsLang;
 }; //KeyhoteeMainWindow
 
 KeyhoteeMainWindow* getKeyhoteeWindow();

KeyhoteeMainWindow.ui

@@ -458,11 +458,23 @@
      <string>Window</string>
     </property>
    </widget>
+   <widget class="QMenu" name="menuLanguage">
+    <property name="title">
+     <string>Language</string>
+    </property>
+    <addaction name="actionChinese"/>
+    <addaction name="actionEnglish"/>
+    <addaction name="actionPolish"/>
+    <addaction name="actionPortuguese"/>
+    <addaction name="actionSpanish"/>
+    <addaction name="actionSpanish_Chile"/>
+   </widget>
    <addaction name="menuFile"/>
    <addaction name="menuEdit"/>
    <addaction name="menuIdentity"/>
    <addaction name="menuMail"/>
    <addaction name="menuContact"/>
+   <addaction name="menuLanguage"/>
    <addaction name="menuWindow"/>
    <addaction name="menuHelp"/>
   </widget>
@@ -700,6 +712,59 @@
     <string>Share contact...</string>
    </property>
   </action>
+  <action name="actionLanguage">
+   <property name="text">
+    <string>Language</string>
+   </property>
+  </action>
+  <action name="actionPolish">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Polish</string>
+   </property>
+  </action>
+  <action name="actionEnglish">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>English</string>
+   </property>
+  </action>
+  <action name="actionPortuguese">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Portuguese</string>
+   </property>
+  </action>
+  <action name="actionChinese">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Chinese</string>
+   </property>
+  </action>
+  <action name="actionSpanish">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Spanish</string>
+   </property>
+  </action>
+  <action name="actionSpanish_Chile">
+   <property name="checkable">
+    <bool>true</bool>
+   </property>
+   <property name="text">
+    <string>Spanish (Chile)</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>