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fvwmorg / fvwm3

FVWM version 3 -- the successor to fvwm2
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Disabling decorations on some fullscreen windows #945

Closed dpapavas closed 7 months ago

dpapavas commented 8 months ago

Not sure if this is a bug with FVWM or not, but I'm having trouble getting some full-screen windows (most, if not all, created by game applications) to be mapped without decorations.

Here’s an xprop output from one such window:

_NET_WM_USER_TIME(CARDINAL) = 28195825
_VARIABLE_REFRESH(CARDINAL) = 1
_NET_WM_ICON(CARDINAL) = Icon (128 x 128):
…
_NET_FRAME_EXTENTS(CARDINAL) = 0, 0, 18, 0
_KDE_NET_WM_FRAME_STRUT(CARDINAL) = 0, 0, 18, 0
_NET_WM_ALLOWED_ACTIONS(ATOM) = _NET_WM_ACTION_CHANGE_DESKTOP, _NET_WM_ACTION_CLOSE, _NET_WM_ACTION_MAXIMIZE_HORZ, _NET_WM_ACTION_MAXIMIZE_VERT, _NET_WM_ACTION_MINIMIZE, _NET_WM_ACTION_MOVE, _NET_WM_ACTION_SHADE, _NET_WM_ACTION_STICK
_NET_WM_ICON_VISIBLE_NAME(UTF8_STRING) = “Space Tail”
_NET_WM_DESKTOP(CARDINAL) = 2
WM_STATE(WM_STATE):
window state: Normal
icon window: 0x0
_NET_WM_VISIBLE_NAME(UTF8_STRING) = “Space Tail”
XdndAware(ATOM) = BITMAP
_NET_WM_NAME(UTF8_STRING) = “Space Tail”
WM_NAME(STRING) = “Space Tail”
WM_PROTOCOLS(ATOM): protocols WM_DELETE_WINDOW, WM_TAKE_FOCUS
_NET_WM_BYPASS_COMPOSITOR(CARDINAL) = 1
_NET_WM_WINDOW_TYPE(ATOM) = _NET_WM_WINDOW_TYPE_NORMAL
_NET_WM_PID(CARDINAL) = 321007
WM_LOCALE_NAME(STRING) = “en_US.UTF-8”
WM_CLASS(STRING) = “Space Tail.x86_64”, “Space Tail.x86_64”
WM_HINTS(WM_HINTS):
Client accepts input or input focus: True
window id # of group leader: 0xdeb0df
WM_NORMAL_HINTS(WM_SIZE_HINTS):
user specified location: 0, 0
WM_CLIENT_MACHINE(STRING) = “debian”
_MOTIF_WM_HINTS(_MOTIF_WM_HINTS) = 0x2, 0x0, 0x1, 0x0, 0x0

As far as I can see (although I’m not sure I’m interpreting it correctly), the last line should instruct FVWM not to decorate the window if the MwmDecor style is used. I have this style (along with MwmFunctions, MwmBorder) applied globally, yet this window is still decorated.

I'm runing fvwm3 1.0.6a (released) on x86_64 Debian Stable. Note that, although I've recently changed to FVWM3, I've been having such problems for years on FVWM2.

Please let me know if you need any more information.

ThomasAdam commented 7 months ago

Probably related to #574 -- see comments therein.

dpapavas commented 7 months ago

I saw this before opening this issue, but contrary to that case and this one for example, setting MWMDecor doesn't result in no decorations on such windows for me. Might something else in my configuration be interfering with it?

dpapavas commented 6 months ago

Should I conclude that this is not considered a potential bug even though FVWM doesn't seem to behave as expected?