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dix: fix root window background behaviour for protocol calls

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Instead always paint root tiled (-retro like), protocol calls
(XSetWindowBackgroundPixmap and related) should behave accordingly when None
and ParentRelative is set as background pixmap.

It follow what the protocol states: "changing the background of a root window
to None or ParentRelative restores the default background pixmap".

Signed-off-by: Tiago Vignatti <tiago.vignatti@nokia.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Reviewed-by: Rami Ylimäki <rami.ylimaki@vincit.fi>
This commit is contained in:
Tiago Vignatti 2010-11-10 21:48:04 +02:00
parent 8976e9766e
commit da66119593
1 changed files with 22 additions and 2 deletions
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24
dix/window.c
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@ -956,6 +956,26 @@ DestroySubwindows(WindowPtr pWin, ClientPtr client)
return Success;
}
static void
SetRootWindowBackground(WindowPtr pWin, ScreenPtr pScreen, Mask *index2)
{
/* following the protocol: "Changing the background of a root window to
* None or ParentRelative restores the default background pixmap" */
if (bgNoneRoot) {
pWin->backgroundState = XaceBackgroundNoneState(pWin);
pWin->background.pixel = pScreen->whitePixel;
}
else if (party_like_its_1989)
MakeRootTile(pWin);
else {
if (whiteRoot)
pWin->background.pixel = pScreen->whitePixel;
else
pWin->background.pixel = pScreen->blackPixel;
*index2 = CWBackPixel;
}
}
/*****
* ChangeWindowAttributes
*
@ -1005,7 +1025,7 @@ ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client)
if (pWin->backgroundState == BackgroundPixmap)
(*pScreen->DestroyPixmap)(pWin->background.pixmap);
if (!pWin->parent)
MakeRootTile(pWin);
SetRootWindowBackground(pWin, pScreen, &index2);
else {
pWin->backgroundState = XaceBackgroundNoneState(pWin);
pWin->background.pixel = pScreen->whitePixel;
@ -1022,7 +1042,7 @@ ChangeWindowAttributes(WindowPtr pWin, Mask vmask, XID *vlist, ClientPtr client)
if (pWin->backgroundState == BackgroundPixmap)
(*pScreen->DestroyPixmap)(pWin->background.pixmap);
if (!pWin->parent)
MakeRootTile(pWin);
SetRootWindowBackground(pWin, pScreen, &index2);
else
pWin->backgroundState = ParentRelative;
borderRelative = TRUE;