Any insight? I will open a qt-bug then Thanks
Le 24-04-2020 10:07, maitai a écrit :
Hello all I am having strange QDialog behavior under Ubuntu 18.04. The application is a QWidget app compiled either with qt 5.14.1 or qt 5.12.3 that does not matter Here the behavior is the following: If I use UNITY desktop moving (dragging) a QDialog works, but instead of moving straight away it display an ugly red rectangle and the dialog moves there when I release the mouse. If I use UBUNTU desktop (which is in fact Gnome 3 I believe), then it does not work at all: trying to move the dialog does nothing, and when you release the mouse the main application (QMainWindow) disappears. Some users have reported other bad behaviors, for instance just not moving at all, or bad behavior also with UNITY desktop I have tried playing with QT_QPA_PLATFORMTHEME environnement variable but it seems to do nothing. The same app compiled with qt 5.11.3 running on Ubuntu 14.04 behaves normally (QDialogs are moving like on Windows, i.e just moving) So my question is: is there a way to have a regular normal QDialog dragging on Ubuntu 18.04 (= no fancy decoration, just move the box) ? Thanks in advance Philippe Lelong _______________________________________________ Interest mailing list Interest@qt-project.org https://lists.qt-project.org/listinfo/interest
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