zeit: add a possibility to optionally activate a tray icon at the application startup with the CLI -t or --tray-icon parameters

src/main.cpp

@@ -29,6 +29,13 @@ int main(int argc, char *argv[])
 {
     if(getuid() == 0)
         qFatal("User should not be root");
+    bool showTrayIcon = false;
+    if(argc > 1) {
+        QByteArray arg = argv[1];
+        if(arg == QByteArray("-t") || arg == QByteArray("--tray-icon")) {
+            showTrayIcon = true;
+        }
+    }
     QApplication a(argc, argv);
     QApplication::setApplicationName(QStringLiteral("Zeit"));
     QApplication::setOrganizationName(QStringLiteral("zeit"));
@@ -47,5 +54,7 @@ int main(int argc, char *argv[])
     a.installTranslator(&libTranslator);
     MainWindow w;
     w.show();
+    if(showTrayIcon)
+        w.showTrayIcon();
     return a.exec();
 }

src/mainwindow.cpp

@@ -23,6 +23,7 @@
 #include <QKeyEvent>
 #include <QProcess>
 #include <QSettings>
+#include <QSystemTrayIcon>
 
 #ifdef BUILD_HELPER
   #define ROOT_ACTIONS cron->isSystemCron()
@@ -164,6 +165,24 @@ void MainWindow::show() {
     refreshActions(false);
 }
 
+void MainWindow::showTrayIcon() {
+    trayIcon = new QSystemTrayIcon(this);
+    connect(trayIcon, &QSystemTrayIcon::activated, this, [this] {
+        if(isHidden())
+            show();
+        else
+            hide();
+    });
+    auto trayIconMenu = new QMenu(this);
+    trayIconMenu->addAction(ui->actionAlarm);
+    trayIconMenu->addAction(ui->actionTimer);
+    trayIconMenu->addSeparator();
+    trayIconMenu->addAction(ui->actionQuit);
+    trayIcon->setContextMenu(trayIconMenu);
+    trayIcon->setIcon(QIcon::fromTheme(QSL("chronometer")));
+    trayIcon->show();
+}
+
 void MainWindow::keyPressEvent(QKeyEvent* e) {
     if(e->key() == Qt::Key_Escape && ui->filterEdit->isVisible())
         ui->actionShowFilter->trigger();
@@ -181,6 +200,7 @@ void MainWindow::closeEvent(QCloseEvent* e) {
     settings.setValue(QStringLiteral("windowState"), saveState());
     settings.setValue(QStringLiteral("General/shortenText"),
                       ui->actionShortenText->isChecked());
+    trayIcon->hide();
     QMainWindow::closeEvent(e);
 }
 

src/mainwindow.h

@@ -22,6 +22,7 @@
 
 #include <QMainWindow>
 
+
 namespace Ui {
 class MainWindow;
 }
@@ -33,6 +34,7 @@ class CTVariable;
 class QListWidgetItem;
 class Commands;
 class BaseDelegate;
+class QSystemTrayIcon;
 
 class MainWindow : public QMainWindow
 {
@@ -43,6 +45,7 @@ class MainWindow : public QMainWindow
     Ui::MainWindow* ui;
     Commands* commands;
     BaseDelegate* list = nullptr;
+    QSystemTrayIcon* trayIcon = nullptr;
     void keyPressEvent(QKeyEvent*) override;
     void resizeEvent(QResizeEvent*) override;
     void closeEvent(QCloseEvent*) override;
@@ -59,6 +62,7 @@ public:
     explicit MainWindow(QWidget* parent = nullptr);
     ~MainWindow();
     void show();
+    void showTrayIcon();
 };
 
 #endif // MAINWINDOW_H