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Respect Motif hint for window decorations

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When the _MOTIF_WM_HINTS property of a window specifies it should have
no title bar, or no decorations at all, respond by setting the border
style of that container to BS_PIXEL or BS_NONE respectively.

This comes from the old Motif window manager. It was originally intended
to specify exactly what sort of decorations a window should have, and
exactly what sort of user input it should respond to. The EWMH spec
intended to replace Motif hints with _NET_WM_WINDOW_TYPE, but it is
still in use by popular widget toolkits such as GTK+ and Java AWT.

i3's implementation simply mirrors Gnome's Metacity. Official
documentation of this hint is nowhere to be found.

For more information see:
https://people.gnome.org/~tthurman/docs/metacity/xprops_8h-source.html
http://stackoverflow.com/questions/13787553/detect-if-a-x11-window-has-decorations

fixes #832
This commit is contained in:
Tony Crisci
2014-01-14 21:16:54 -05:00
committed by Michael Stapelberg
parent 10d7c1a993
commit dee6264d57
4 changed files with 81 additions and 1 deletions
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include/atoms.xmacro
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@ -31,3 +31,4 @@ xmacro(I3_SHMLOG_PATH)
xmacro(I3_PID)
xmacro(_NET_REQUEST_FRAME_EXTENTS)
xmacro(_NET_FRAME_EXTENTS)
xmacro(_MOTIF_WM_HINTS)