Format and centre window on primary screen.

main.cpp

@@ -20,11 +20,12 @@ void sigHandler(int s)
     qApp->quit();
 }
 
-int main(int argc, char *argv[]) {
-
+int main(int argc, char* argv[])
+{
 #ifdef __linux__
     // Force XWayland/X11 mode if nothing is provided, until we have a better solution that works on wayland.
-    if (!getenv("QT_QPA_PLATFORM")) {
+    if (!getenv("QT_QPA_PLATFORM"))
+    {
         char x11[] = "QT_QPA_PLATFORM=xcb";
         putenv(x11);
     }
@@ -34,7 +35,7 @@ int main(int argc, char *argv[]) {
     QApplication a(argc, argv);
 #endif
 
-    std::signal(SIGINT,  sigHandler);
+    std::signal(SIGINT, sigHandler);
     std::signal(SIGTERM, sigHandler);
 
     g_pUnreal = new UnrealGlue(nullptr);
@@ -43,16 +44,24 @@ int main(int argc, char *argv[]) {
 #ifdef COMPILE_WITH_QT
     auto* pMainWindow = new Components::MultiEdWindow();
     pMainWindow->Init();
+
+    // centre on screen
+    auto primaryScreen = a.primaryScreen();
+    auto screenWidth = primaryScreen->geometry().width();
+    auto screenHeight = primaryScreen->geometry().height();
+    pMainWindow->move((screenWidth / 2) - (pMainWindow->width() / 2), (screenHeight / 2) - (pMainWindow->height() / 2));
+
 #endif
 
     // TODO: Move this in a place where we can re-init this from the UI
 #ifdef COMPILE_WITH_QT
     pMainWindow->m_pSDLWindow = g_pUnreal->m_pWindow;
 
     int i = 0;
-    for (auto pWinID : g_pUnreal->m_pWndIDs) {
+    for (auto pWinID : g_pUnreal->m_pWndIDs)
+    {
         auto pWindow = QWindow::fromWinId((WId)pWinID);
-        QWidget *widget = QWidget::createWindowContainer(pWindow);
+        QWidget* widget = QWidget::createWindowContainer(pWindow);
         widget->setFocusPolicy(Qt::NoFocus);
         pMainWindow->SetViewport(widget, (WId)pWinID, g_pUnreal->m_nViewportModes.at(i));
         i++;
@@ -67,18 +76,21 @@ int main(int argc, char *argv[]) {
     /*
      * We need to handle two different event loops here!
      */
-    while (true) {
+    while (true)
+    {
 #ifdef COMPILE_WITH_QT
         // QT loop
         qApp->processEvents();
-        if (!pMainWindow->isVisible()) {
+        if (!pMainWindow->isVisible())
+        {
             delete g_pUnreal;
             break;
         }
 #endif
         // Unreal loop
         auto bOkay = g_pUnreal->Loop();
-        if (!bOkay) {
+        if (!bOkay)
+        {
             break;
         }
     }