add choose translations (restart required, dynamic changing is lots of work)

src/main.cpp

@@ -18,7 +18,6 @@
 #include "misc/settings.h"
 #include <QApplication>
 #include <QFontDatabase>
-#include <QTranslator>
 #include <QSystemTrayIcon>
 #include <QDebug>
 
@@ -32,18 +31,6 @@ int main(int argc, char *argv[])
     QCoreApplication::addLibraryPath(QCoreApplication::applicationDirPath());
     a.addLibraryPath("platforms");
 
-    // Load translations
-    QTranslator translator;
-    if (Settings::getInstance().getUseTranslations())
-    {
-        QString locale = QLocale::system().name().section('_', 0, 0);
-        if (locale=="en" || translator.load(locale,":translations/"))
-            qDebug() << "Loaded translation "+locale;
-        else
-            qDebug() << "Error loading translation "+locale;
-        a.installTranslator(&translator);
-    }
-
     // Install Unicode 6.1 supporting font
     QFontDatabase::addApplicationFont("://DejaVuSans.ttf");
 

src/misc/settings.cpp

@@ -108,7 +108,7 @@ void Settings::load()
 
     s.beginGroup("General");
         enableIPv6 = s.value("enableIPv6", true).toBool();
-        useTranslations = s.value("useTranslations", true).toBool();
+        translation = s.value("translation", "").toString();
         makeToxPortable = s.value("makeToxPortable", false).toBool();
         autostartInTray = s.value("autostartInTray", false).toBool();
         forceTCP = s.value("forceTCP", false).toBool();
@@ -216,7 +216,7 @@ void Settings::save(QString path)
 
     s.beginGroup("General");
         s.setValue("enableIPv6", enableIPv6);
-        s.setValue("useTranslations",useTranslations);
+        s.setValue("translation",translation);
         s.setValue("makeToxPortable",makeToxPortable);
         s.setValue("autostartInTray",autostartInTray);
         s.setValue("useProxy", useProxy);
@@ -389,14 +389,14 @@ void Settings::setStatusChangeNotificationEnabled(bool newValue)
     statusChangeNotificationEnabled = newValue;
 }
 
-bool Settings::getUseTranslations() const
+QString Settings::getTranslation() const
 {
-    return useTranslations;
+    return translation;
 }
 
-void Settings::setUseTranslations(bool newValue)
+void Settings::setTranslation(QString newValue)
 {
-    useTranslations = newValue;
+    translation = newValue;
 }
 
 bool Settings::getForceTCP() const

src/misc/settings.h

@@ -58,8 +58,8 @@ public:
     QString getCurrentProfile() const;
     void setCurrentProfile(QString profile);
 
-    bool getUseTranslations() const;
+    QString getTranslation() const;
-    void setUseTranslations(bool newValue);
+    void setTranslation(QString newValue);
 
     bool getForceTCP() const;
     void setForceTCP(bool newValue);
@@ -179,7 +179,7 @@ private:
     bool dontShowDhtDialog;
 
     bool enableIPv6;
-    bool useTranslations;
+    QString translation;
     static bool makeToxPortable;
     bool autostartInTray;
 

src/widget/form/settings/generalform.cpp

@@ -23,6 +23,9 @@
 #include <QMessageBox>
 #include <QStyleFactory>
 
+static QStringList locales = {"de", "en", "fr", "it", "mannol", "pirate", "pl", "ru", "fi", "uk"};
+static QStringList langs = {"Deustch", "English", "Français", "Italiano", "mannol", "Pirate", "Polski", "Русский", "Suomi", "Українська"};  
+
 GeneralForm::GeneralForm(SettingsWidget *myParent) :
     GenericForm(tr("General"), QPixmap(":/img/settings/general.png"))
 {
@@ -32,7 +35,9 @@ GeneralForm::GeneralForm(SettingsWidget *myParent) :
     bodyUI->setupUi(this);
     
     bodyUI->cbEnableIPv6->setChecked(Settings::getInstance().getEnableIPv6());
-    bodyUI->cbUseTranslations->setChecked(Settings::getInstance().getUseTranslations());
+    for (int i = 0; i < langs.size(); i++) 
+        bodyUI->transComboBox->insertItem(i, langs[i]);
+    bodyUI->transComboBox->setCurrentIndex(locales.indexOf(Settings::getInstance().getTranslation()));
     bodyUI->cbMakeToxPortable->setChecked(Settings::getInstance().getMakeToxPortable());
     bodyUI->startInTray->setChecked(Settings::getInstance().getAutostartInTray());
     bodyUI->statusChangesCheckbox->setChecked(Settings::getInstance().getStatusChangeNotificationEnabled());
@@ -64,7 +69,7 @@ GeneralForm::GeneralForm(SettingsWidget *myParent) :
     onUseProxyUpdated();
 
     connect(bodyUI->cbEnableIPv6, &QCheckBox::stateChanged, this, &GeneralForm::onEnableIPv6Updated);
-    connect(bodyUI->cbUseTranslations, &QCheckBox::stateChanged, this, &GeneralForm::onUseTranslationUpdated);
+    connect(bodyUI->transComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(onTranslationUpdated()));
     connect(bodyUI->cbMakeToxPortable, &QCheckBox::stateChanged, this, &GeneralForm::onMakeToxPortableUpdated);
     connect(bodyUI->startInTray, &QCheckBox::stateChanged, this, &GeneralForm::onSetAutostartInTray);
     connect(bodyUI->statusChangesCheckbox, &QCheckBox::stateChanged, this, &GeneralForm::onSetStatusChange);
@@ -88,9 +93,10 @@ void GeneralForm::onEnableIPv6Updated()
     Settings::getInstance().setEnableIPv6(bodyUI->cbEnableIPv6->isChecked());
 }
 
-void GeneralForm::onUseTranslationUpdated()
+void GeneralForm::onTranslationUpdated()
 {
-    Settings::getInstance().setUseTranslations(bodyUI->cbUseTranslations->isChecked());
+    Settings::getInstance().setTranslation(locales[bodyUI->transComboBox->currentIndex()]);
+    Widget::getInstance()->setTranslation();
 }
 
 void GeneralForm::onMakeToxPortableUpdated()

src/widget/form/settings/generalform.h

@@ -32,7 +32,7 @@ public:
 
 private slots:
     void onEnableIPv6Updated();
-    void onUseTranslationUpdated();
+    void onTranslationUpdated();
     void onMakeToxPortableUpdated();
     void onSetAutostartInTray();
     void onSmileyBrowserIndexChanged(int index);

src/widget/form/settings/generalsettings.ui

@@ -30,11 +30,31 @@
      </property>
      <layout class="QVBoxLayout" name="verticalLayout_3">
       <item>
-       <widget class="QCheckBox" name="cbUseTranslations">
+       <layout class="QHBoxLayout" name="transLayout">
-        <property name="text">
+        <item>
-         <string extracomment="Text on a checkbox to enable translations">Use translations</string>
+         <widget class="QLabel" name="transLabel">
-        </property>
+          <property name="toolTip">
-       </widget>
+           <string>The translation may not load until qTox restarts.</string>
+          </property>
+          <property name="text">
+           <string>Translation:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QComboBox" name="transComboBox">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="toolTip">
+           <string>The translation may not load until qTox restarts.</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
       </item>
       <item>
        <widget class="QCheckBox" name="cbMakeToxPortable">

src/widget/widget.cpp

@@ -43,8 +43,10 @@
 #include <QFileDialog>
 #include <QInputDialog>
 #include <QTimer>
-#include <tox/tox.h>
 #include <QStyleFactory>
+#include <QTranslator>
+#include <tox/tox.h>
+
 
 Widget *Widget::instance{nullptr};
 
@@ -53,7 +55,8 @@ Widget::Widget(QWidget *parent)
       ui(new Ui::MainWindow),
       activeChatroomWidget{nullptr}
 {
-
+    translator = new QTranslator;
+    setTranslation();
 }
 
 void Widget::init()
@@ -312,7 +315,7 @@ QString Widget::getUsername()
 void Widget::onAvatarClicked()
 {
     QString filename = QFileDialog::getOpenFileName(this, tr("Choose a profile picture"), QDir::homePath());
-    if (filename == "")
+    if (filename.isEmpty())
         return;
     QFile file(filename);
     file.open(QIODevice::ReadOnly);
@@ -546,22 +549,24 @@ void Widget::onFriendStatusChanged(int friendId, Status status)
     f->friendStatus = status;
     f->widget->updateStatusLight();
     
-    QString fStatus = ""; 
-    switch(f->friendStatus){
-    case Status::Away:
-        fStatus = tr("away", "contact status"); break;
-    case Status::Busy:
-        fStatus = tr("busy", "contact status"); break;
-    case Status::Offline:
-        fStatus = tr("offline", "contact status"); break;
-    default:
-        fStatus = tr("online", "contact status"); break;
-    }
-        
     //won't print the message if there were no messages before
     if(f->chatForm->getNumberOfMessages() != 0
             && Settings::getInstance().getStatusChangeNotificationEnabled() == true)
-        f->chatForm->addSystemInfoMessage(tr("%1 is now %2", "e.g. \"Dubslow is now online\"").arg(f->getName()).arg(fStatus), "white");
+    {
+        QString fStatus = "";
+        switch(f->friendStatus){
+        case Status::Away:
+            fStatus = tr("away", "contact status"); break;
+        case Status::Busy:
+            fStatus = tr("busy", "contact status"); break;
+        case Status::Offline:
+            fStatus = tr("offline", "contact status"); break;
+        default:
+            fStatus = tr("online", "contact status"); break;
+        }
+        f->chatForm->addSystemInfoMessage(tr("%1 is now %2", "e.g. \"Dubslow is now online\"").arg(f->getName()).arg(fStatus),
+                                          "white", QDateTime::currentDateTime());
+    }
 }
 
 void Widget::onFriendStatusMessageChanged(int friendId, const QString& message)
@@ -902,3 +907,17 @@ void Widget::onGroupSendResult(int groupId, const QString& message, int result)
     if (result == -1)
         g->chatForm->addSystemInfoMessage("Message failed to send", "red");
 }
+
+void Widget::setTranslation()
+{
+    // Load translations
+    QCoreApplication::removeTranslator(translator);
+    QString locale;
+    if ((locale = Settings::getInstance().getTranslation()) == "")
+        locale = QLocale::system().name().section('_', 0, 0);
+    if (translator->load(locale,":translations/"))
+        qDebug() << "Loaded translation" << locale;
+    else
+        qDebug() << "Error loading translation" << locale;
+    QCoreApplication::installTranslator(translator);
+}

src/widget/widget.h

@@ -41,6 +41,7 @@ class Camera;
 class FriendListWidget;
 class MaskablePixmapWidget;
 class QTimer;
+class QTranslator;
 
 class Widget : public QMainWindow
 {
@@ -60,6 +61,7 @@ public:
     static QList<QString> searchProfiles();
     void clearContactsList();
     void setIdleTimer(int minutes);
+    void setTranslation();
     ~Widget();
 
     virtual void closeEvent(QCloseEvent *event);
@@ -138,6 +140,7 @@ private:
     bool notify(QObject *receiver, QEvent *event);
     bool autoAwayActive = false;
     QTimer* idleTimer;
+    QTranslator* translator;
 };
 
 #endif // WIDGET_H