Public bug reported:
Hi,
we have a problem with combobox popups showing up on the wron screen.
The system setup is: two displays à 1920x1200, one desktop, unity,
xenial. On this system, the problem can be reproduced by running the
stylesheet example from qtbase5-examples:
start
/usr/lib/x86_64-linux-gnu/qt5/examples/widgets/widgets/stylesheet/stylesheet
move the main window to screen 2
click "edit style..." in the menu to open the style editor
move the style editor to screen 1
click on the combo box
the popup shows on the very left of screen 2, even if the combobox is on screen
1
Actually the popup seems to always show up on the screen with the
mainwindow.
The problem seems to be that the patch debian/patches/multiscreen.diff
does not work in this situation, it makes
QApplication::desktop()->screenNumber(..combobox..) return the wrong
screen. As far as I can tell, both the code for
QDesktopWidget::screenNumber(const QWidget*) from the 5.5 and dev
branches in Qt return the correct screen number in our situation.
We would appreciate if debian/patches/multiscreen.diff could be updated.
Best regards,
Alexander
** Affects: qtbase-opensource-src (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1671853
Title:
incorrect screen number reported by QDesktopWidget
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