When you minimize a fullscreen window with #showMinimized() and then re-open the window from your task-bar, the window is not restored into fullscreen mode.
Following QWindowStateChangeEvent are issued on #showMinimized():
It looks like this issue not reproducible on my environment only since it has been reported for KDE KRDC by multiple users: https://bugs.kde.org/show_bug.cgi?id=361570
Note: the following example works fine with Qt 4.8.7, but fails with Qt 5.5.1.
|For Gerrit Dashboard: QTBUG-52616|
|185016,17||Make QWindow's windowState a QFlags of the WindowState||dev||qt/qtbase||Status: MERGED||-2||0|