implement ctrl+q keybind

Move two functions into separate file

CMakeLists.txt

@@ -45,6 +45,7 @@ set(discord-screenaudio_SRC
   src/log.cpp
   src/userscript.cpp
   src/centralwidget.cpp
+  src/localserver.cpp
   resources.qrc
 )
 

src/localserver.cpp

@@ -0,0 +1,22 @@
+#include "localserver.h"
+
+bool isProgramRunning(const QString &program_name) {
+  QLocalSocket socket;
+  socket.connectToServer(program_name);
+  if (socket.waitForConnected()) {
+    return true; // program is already running
+  }
+  return false;
+}
+
+void showErrorMessage(const char *text) {
+  QMessageBox msgBox;
+
+  msgBox.setIcon(QMessageBox::Critical);
+  msgBox.setText(text);
+  msgBox.setStandardButtons(QMessageBox::Ok);
+  msgBox.setDefaultButton(QMessageBox::Ok);
+  msgBox.setWindowIcon(QIcon(":assets/de.shorsh.discord-screenaudio.png"));
+
+  msgBox.exec();
+}

src/localserver.h

@@ -0,0 +1,9 @@
+#pragma once
+#include "mainwindow.h"
+
+#include <QLocalServer>
+#include <QLocalSocket>
+#include <QMessageBox>
+
+bool isProgramRunning(const QString &program_name);
+void showErrorMessage(const char *text);

src/main.cpp

@@ -1,3 +1,4 @@
+#include "localserver.h"
 #include "mainwindow.h"
 #include "virtmic.h"
 
@@ -7,10 +8,14 @@
 
 #include <QApplication>
 #include <QCommandLineParser>
+#include <QLocalServer>
+#include <QLocalSocket>
 #include <QLoggingCategory>
+#include <QMessageBox>
 
 int main(int argc, char *argv[]) {
   QApplication app(argc, argv);
+
   QApplication::setApplicationName("discord-screenaudio");
   QApplication::setWindowIcon(
       QIcon(":assets/de.shorsh.discord-screenaudio.png"));
@@ -50,6 +55,20 @@ int main(int argc, char *argv[]) {
                 qgetenv("QTWEBENGINE_CHROMIUM_FLAGS"));
 
   MainWindow w(parser.isSet(notifySendOption));
+
+  // Check if discord is already running
+  QString program_name = "discord-screenaudio";
+  if (isProgramRunning(program_name)) {
+    // if running show error message
+    showErrorMessage("discord-screenaudio is already running");
+    return 1;
+  }
+
+  // open server so we can check if discord is running
+  QLocalServer server;
+  server.listen(program_name);
+  QObject::connect(&server, &QLocalServer::newConnection, []() {});
+
   w.show();
 
   return app.exec();

src/mainwindow.cpp

@@ -12,6 +12,7 @@
 #include <QGridLayout>
 #include <QLabel>
 #include <QPushButton>
+#include <QShortcut>
 #include <QSpacerItem>
 #include <QThread>
 #include <QTimer>
@@ -31,6 +32,8 @@ MainWindow::MainWindow(bool useNotifySend, QWidget *parent)
   setCentralWidget(m_centralWidget);
   setupTrayIcon();
   setMinimumSize(800, 300);
+  connect(new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this),
+          &QShortcut::activated, this, &MainWindow::toggleOrCloseWindow);
   if (m_settings->contains("geometry")) {
     restoreGeometry(m_settings->value("geometry").toByteArray());
   } else {
@@ -79,12 +82,7 @@ void MainWindow::setupTrayIcon() {
 
   connect(m_trayIcon, &QSystemTrayIcon::activated, [this](auto reason) {
     if (reason == QSystemTrayIcon::Trigger) {
-      if (isVisible()) {
-        hide();
-      } else {
-        show();
-        activateWindow();
-      }
+      toggleOrCloseWindow();
     }
   });
 }
@@ -131,3 +129,15 @@ MainWindow *MainWindow::instance() { return m_instance; }
 CentralWidget *MainWindow::centralWidget() {
   return instance()->m_centralWidget;
 };
+
+void MainWindow::toggleOrCloseWindow() {
+  if (isVisible()) {
+    if (m_trayIcon == nullptr)
+      QApplication::quit();
+    else
+      hide();
+  } else {
+    show();
+    activateWindow();
+  }
+}

src/mainwindow.h

@@ -36,4 +36,5 @@ private:
 public Q_SLOTS:
   void setTrayIcon(bool enabled);
   void fullScreenRequested(QWebEngineFullScreenRequest fullScreenRequest);
+  void toggleOrCloseWindow();
 };