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Fix QComboBox popup from opening on wrong screen

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Nothing seems to be telling the popup on which screen it should be shown
on. To fix this, simply set same screen the QComboBox uses to the popup.

Task-number: QTBUG-58392
Change-Id: If62a26fe4e51bcf3d770ee72c9baa998541618f4
Reviewed-by: Andy Shaw <andy.shaw@qt.io>
This commit is contained in:
Joni Poikelin 2017-01-24 20:12:04 +02:00
parent 2a41e05fde
commit 903a59042e
1 changed files with 16 additions and 0 deletions
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16
src/widgets/widgets/qcombobox.cpp
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@ -2746,6 +2746,22 @@ void QComboBox::showPopup()
bool startTimer = !container->isVisible();
container->raise();
container->create();
QWindow *containerWindow = container->window()->windowHandle();
if (containerWindow) {
QWindow *win = window()->windowHandle();
if (win) {
QScreen *currentScreen = win->screen();
if (currentScreen && !currentScreen->virtualSiblings().contains(containerWindow->screen())) {
containerWindow->setScreen(currentScreen);
// This seems to workaround an issue in xcb+multi GPU+multiscreen
// environment where the window might not always show up when screen
// is changed.
container->hide();
}
}
}
container->show();
container->updateScrollers();
view()->setFocus();