Details
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Bug
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Resolution: Unresolved
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P2: Important
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None
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6.2.4
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None
Description
QComboBox pops up a list of items incorrectly at least in the following conditions:
1) high DPI rounding policy is set to "rounding" by call QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Round);
2) the Windows taskbar is vertical and attached to the right or left side of the desktop;
3) the combo box is located near the right side of the screen.
Most likely the issue is related with incorrect calculation of the popup list rectangle in the above conditions using wrong client part of the desktop
Surprising, but the bug cannot be reproduced if the taskbar is reattached during program execution.