Added "About" & "About Qt" dialogs.

CMakeLists.txt

@@ -53,6 +53,8 @@ endif()
 qt5_create_translation(QM_FILES ${CMAKE_SOURCE_DIR} ${TS_FILES})
 endif()
 
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
 target_link_libraries(${TARGET_APP} PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)
 
 target_include_directories(${TARGET_APP} PRIVATE ${CORE_LIB_DIR}/)

mainwindow.cpp

@@ -4,6 +4,7 @@
 #include <QCloseEvent>
 #include <QMessageBox>
 
+#include "../../ApplicationConfig.h"
 #include "data/settingshandler.h"
 #include "genericcore.h"
 
@@ -29,6 +30,9 @@ MainWindow::MainWindow(QWidget* parent)
   setWindowIcon(QIcon(iconString));
 #endif
 
+  createActions();
+  createHelpMenu();
+
   /// TODO restore window geometry and state (& save it in closeEvent)
   const QVariantMap settings = SettingsHandler::getSettings("GUI");
   restoreGeometry(settings.value("geometry").toByteArray());
@@ -45,30 +49,6 @@ MainWindow::~MainWindow() {
   delete m_core;
 }
 
-void MainWindow::on_pushButton_clicked() {
-  const QString prefix("Backend provided by: ");
-  ui->label->setText(prefix + m_core->toString());
-}
-
-void MainWindow::showStatusMessage(const QString text) {
-  qInfo() << text;
-  ui->statusbar->showMessage(text);
-}
-
-void MainWindow::on_actionCheck_for_update_triggered() {
-  showStatusMessage("Checking for update...");
-  const bool updateAvailable = m_core->isApplicationUpdateAvailable();
-  if (updateAvailable) {
-    const QString text = isWindowModified() ? updateTextDirty : updateTextClean;
-    const QMessageBox::StandardButton clickedButton = QMessageBox::question(
-        this, tr("Update available."), text, QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-    if (clickedButton == QMessageBox::Yes) {
-      m_core->triggerApplicationUpdate();
-      close();
-    }
-  }
-}
-
 void MainWindow::closeEvent(QCloseEvent* event) {
   if (isWindowModified()) {
     QMessageBox msgBox;
@@ -106,3 +86,54 @@ void MainWindow::closeEvent(QCloseEvent* event) {
                                   "GUI");
   }
 }
+
+void MainWindow::onAboutClicked() {
+  const QString applicationName = APPLICATION_NAME;
+  const QString titlePrefix     = tr("About ");
+  const QString aboutText =
+      tr(QString("<b>%1 v%2</b> is a template for Qt applications."
+                 "<br><br><a href=\"https://working-copy.org/\">Working-Copy_Collective website</a>"
+                 "<br><br><a href=\"mailto:support@working-copy.org\">Mail to support</a>"
+                 "<br><br>It uses the <a href=\"https://qt.io\">Qt Framework</a>.")
+             .arg(applicationName)
+             .arg(APPLICATION_VERSION)
+             .toLatin1());
+  QMessageBox::about(this, titlePrefix + applicationName, aboutText);
+}
+
+void MainWindow::showStatusMessage(const QString text) {
+  qInfo() << text;
+  ui->statusbar->showMessage(text);
+}
+
+void MainWindow::on_actionCheck_for_update_triggered() {
+  showStatusMessage("Checking for update...");
+  const bool updateAvailable = m_core->isApplicationUpdateAvailable();
+  if (updateAvailable) {
+    const QString text = isWindowModified() ? updateTextDirty : updateTextClean;
+    const QMessageBox::StandardButton clickedButton = QMessageBox::question(
+        this, tr("Update available."), text, QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
+    if (clickedButton == QMessageBox::Yes) {
+      m_core->triggerApplicationUpdate();
+      close();
+    }
+  }
+}
+
+void MainWindow::on_pushButton_clicked() {
+  const QString prefix("Backend provided by: ");
+  ui->label->setText(prefix + m_core->toString());
+}
+
+void MainWindow::createHelpMenu() {
+  QMenu* helpMenu   = menuBar()->addMenu(tr("&Help"));
+  QAction* aboutAct = helpMenu->addAction(tr("&About"), this, &MainWindow::onAboutClicked);
+  aboutAct->setStatusTip(tr("Show the application's About box"));
+
+  QAction* aboutQtAct = helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt);
+  aboutQtAct->setStatusTip(tr("Show the Qt library's About box"));
+}
+
+void MainWindow::createActions() {
+  // TODO add generic menu actions (file/new, edit/cut, ...)
+}

mainwindow.h

@@ -27,14 +27,19 @@ class MainWindow : public QMainWindow {
   void closeEvent(QCloseEvent* event) override;
 
  private slots:
+  void onAboutClicked();
   void showStatusMessage(const QString text);
+  void on_actionCheck_for_update_triggered();
 
   void on_pushButton_clicked();
-  void on_actionCheck_for_update_triggered();
 
  private:
   Ui::MainWindow* ui;
 
   GenericCore* m_core;
+
+  /// Setup functions
+  void createActions();
+  void createHelpMenu();
 };
 #endif  // MAINWINDOW_H