Added automatic internationalization

* Supported languages: en de

.gitignore

 # patterns
 *~
+*.qm
 
 # files
 .project

pulsatingscience.pro

@@ -31,6 +31,7 @@ SOURCES += src/pulsaranimationwidget.cpp \
     src/main.cpp
 FORMS += src/pulsatingscience.ui
 RESOURCES += src/pulsatingscience.qrc
+TRANSLATIONS = src/resources/pulsatingscience_de.ts
 UI_DIR = src/.ui
 RCC_DIR  = src/.rcc
 MOC_DIR = src/.moc

src/main.cpp

@@ -25,8 +25,18 @@
 
 int main(int argc, char *argv[])
 {
-    QApplication a(argc, argv);
-    PulsatingScience w;
-    w.show();
-    return a.exec();
+    QApplication app(argc, argv);
+
+    QTranslator qtTranslator;
+    qtTranslator.load("qt_" + QLocale::system().name(), QLibraryInfo::location(QLibraryInfo::TranslationsPath));
+    app.installTranslator(&qtTranslator);
+
+    QTranslator appTranslator;
+    appTranslator.load(":/i18ns/resources/pulsatingscience_" + QLocale::system().name());
+    app.installTranslator(&appTranslator);
+
+    PulsatingScience window;
+    window.show();
+
+    return app.exec();
 }

src/pulsatingscience.cpp

@@ -26,7 +26,7 @@ PulsatingScience::PulsatingScience(QWidget *parent) : QMainWindow(parent)
 
 	QAction* animControl = ui.dockAnimControl->toggleViewAction();
 	animControl->setStatusTip(tr("Toggle the animation control visibility"));
-	animControl->setShortcut(QKeySequence(Qt::ALT + Qt::Key_A));
+	animControl->setShortcut(QKeySequence(tr("Alt+A")));
 	ui.menuView->addAction(animControl);
 
 	// inital status (based on GUI)

src/pulsatingscience.qrc

@@ -9,6 +9,9 @@
     <file>resources/help-website.png</file>
     <file>resources/aei-icon48.png</file>
   </qresource>
+  <qresource prefix="i18ns" >
+    <file>resources/pulsatingscience_de.qm</file>
+  </qresource>
   <qresource prefix="textures" >
     <file>resources/texture_background_carina.jpg</file>
     <file>resources/texture_pulsar.png</file>