[Octave-bug-tracker] [bug #44692] [GUI] Undocked editor pane has no Minimize button

[Rik]

Follow-up Comment #8, bug #44692 (project octave):

Alas, the patch didn't work.  I added a debug statement just to make sure I
was executing the code, and it is being run.


  std::cerr << "executing setWindowFlags" << std::endl;
  // non windows: Just set the appropriate window flag
  setWindowFlags (Qt::Window | Qt::WindowTitleHint);


I went even further and added Qt::WindowMinimizeButtonHint, but it didn't
help.


  setWindowFlags (Qt::Window | Qt::WindowTitleHint |
Qt::WindowMinimizeButtonHint);


I wonder if it is the KDE Window Manager that is refusing to decorate the
undocked window?  I found this webpage:
https://techbase.kde.org/Projects/KWin/Window_Decoration_Policy.


In general all windows managed (windows without override-redirect) by the
Window Manager (KWin) are re-parented into a Server-Side Decoration unless:

    The window has _NET_WM_WINDOW_TYPE _NET_WM_WINDOW_TYPE_DESKTOP
    The window has _NET_WM_WINDOW_TYPE _NET_WM_WINDOW_TYPE_DOCK
    The window has _NET_WM_WINDOW_TYPE _NET_WM_WINDOW_TYPE_SPLASH
    The window belongs to the Desktop Shell
    The window has _NET_WM_STATE _NET_WM_STATE_ABOVE and has set an own
XShape
    The window is a "Qt Dock Widget"


Maybe the window type remains _NET_WM_WINDOW_TYPE_DOCK even after it is
detached?


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