On Sun, Mar 3, 2019 at 11:00 AM Alexander Semke <alexander.se...@web.de> wrote: > > Hi, > > in LabPlot we have couple of modal dialogs, created on the heap and shown with > dlg->exec(). The dialog icon is set in the constructor of the dialog via > QDialog::setWindowIcon(), e.g. > setWindowIcon(QIcon::fromTheme(QLatin1String("labplot-worksheet"))); > > The icon is set/handled by the window manager if I understand this correctly. > With kwin, the specified icons are not shown and I always get the default > application's icon shown. On windows, this seems to work and I see the proper > icons in the dialogs. > > I tried to quit the event loop with > > QTimer::singleShot(0, this, [=] () { > setWindowIcon(QIcon::fromTheme(QLatin1String("labplot-worksheet"))); > }); > > in order to call QDialog::setWindowIcon() after QDialog::show() but this > doesn't help. > > So, what is the proper way to set the icon that would work everywhere?
Adding kwin in case they know. Aleix