Add fullscreen mode toggleable with F11

Author: RedBlackAka

qt/OpenRGBDialog2/OpenRGBDialog2.cpp

@@ -28,6 +28,7 @@
 #include <QMessageBox>
 #include <QCloseEvent>
 #include <QStyleFactory>
+#include <QKeyEvent>
 #include "OpenRGBFont.h"
 
 #ifdef __APPLE__
@@ -665,6 +666,26 @@ void OpenRGBDialog2::closeEvent(QCloseEvent *event)
     }
 }
 
+void OpenRGBDialog2::keyPressEvent(QKeyEvent *event)
+{
+    if(event->key() == Qt::Key_F11)
+    {
+        if(isFullScreen())
+        {
+            showNormal();
+        }
+        else
+        {
+            showFullScreen();
+        }
+        event->accept();
+    }
+    else
+    {
+        QMainWindow::keyPressEvent(event);
+    }
+}
+
 bool OpenRGBDialog2::SelectConfigProfile(const std::string name)
 {
     /*-----------------------------------------------------*\

qt/OpenRGBDialog2/OpenRGBDialog2.h

@@ -84,6 +84,9 @@ public slots:
     void SetTrayIcon(bool tray_icon);
     void handleAboutToQuit();
 
+protected:
+    void keyPressEvent(QKeyEvent *event) override;
+
 private:
     const char* context = "Ui::OpenRGBDialog2";