diff options
| -rw-r--r-- | vcl/qt5/Qt5Frame.cxx | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/vcl/qt5/Qt5Frame.cxx b/vcl/qt5/Qt5Frame.cxx index ff77638013ca..4847546f200d 100644 --- a/vcl/qt5/Qt5Frame.cxx +++ b/vcl/qt5/Qt5Frame.cxx @@ -839,7 +839,17 @@ void Qt5Frame::SetScreenNumber(unsigned int nScreen) { QWindow* const pWindow = windowHandle(); if (pWindow) - pWindow->setScreen(QApplication::screens()[nScreen]); + { + QList<QScreen*> screens = QApplication::screens(); + if (static_cast<int>(nScreen) < screens.size()) + pWindow->setScreen(QApplication::screens()[nScreen]); + else + { + // index outta bounds, use primary screen + QScreen* primaryScreen = QApplication::primaryScreen(); + pWindow->setScreen(primaryScreen); + } + } } } |