On 11/09/2010 07:26 PM, Tiago Vignatti wrote:
Instead always paint root tiled (-retro like), protocol calls
(XSetWindowBackgroundPixmap and related) should behave accordingly when None
is set as background pixmap.
Now, even if the server is started without "-background none", the user can
set the root background to None, which will have the same behaviour as that
option.
I think this is against the specification of ChangeWindowAttributes:
"Changing the background of a root window to None or ParentRelative
restores the default background pixmap."
If X server was started with -br, then setting root window background to
None should restore the black background, which was the default.
The minimal way to fix this would be to allow disabling of root window
background only if "-background none" was given. A better way would be
to create new XFixes requests to set and get the default background and
then modify ChangeWindowAttributes to use whatever has been set as default.
It would also make the code easier to understand if InitRootWindow and
ChangeWindowAttributes would call a common function to set the root
window background.
-- Rami
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