To recap: the original XC-SECURITY extension disallowed background "None" if
the window was untrusted. XACE 1.0 preserved this check as a hook function.
XACE pre-2.0 removed the hook and first abolished background "None entirely,
then restored it as a global on/off switch in response to Bug #13683.
Now it's back to being per-window, via a flag instead of a hook function.
Relative events that generates both core and extention
events will have its axis cliped and screen changed by
miPointerSetPosition when the events are processed. For
absolute and non core-generating relative events the
axis must be clipped if we shouldn't end up completely
outside the defined ranges (if any).
Don't use a possitive value as a marker for if a max-value
is defined on the valuators. Use the existence of a valid
value range instead. This will also make it possible to
define arbitrary start and end-values for min and max as
long as min < max.
Composite uses an unmap/map cycle to trigger backing pixmap allocation
and cliprect recomputation when a window is redirected or unredirected.
To avoid protocol visible side effects, map and unmap events are
disabled temporarily. However, when a window is unmapped it is also
removed from grabs and loses focus, but these state changes are not
disabled.
This change supresses the unmap side effects during the composite
unmap/map cycle and fixes this bug:
http://bugzilla.gnome.org/show_bug.cgi?id=488264
where compiz would cause gnome-screensaver to lose its grab when
compiz unredirects the fullscreen lock window.
(first_valuator + num_valuators) must never be larger than the number of axes,
otherwise DIX freaks out. And from looking at libXI, anything larger than 6 is
wrong too.
(cherry picked from commit 9f6ae61ad1)
General code cleanup, whitespace, dead code removal, added missing prototypes.
Made Xquartz come to foreground later in startup, so it doesn't appear for Xquartz -version
(cherry picked from commit 36922e8ff4)
From the X11 protocol spec:
"If background None is specified, the window has no defined background."
This means that toolkits and apps cannot rely on the "transparent" nature
of the current implementation! At some point before the next release,
XACE will switch back to a solid background as the default.
Initialise num_events to 1, so we always send a proximity event, and then
optionally valuator events. Also make sure mieq can deal with valuator
events sent after proximity events.
XkbRemoveResourceClient wants to access xkbInfo if it exists, so make
sure we NULL it after freeing it. It doesn't make much sense to move
the RemoveResourceClient call first, as there's not much point in
notifying clients while we're shutting the server down anyway.
Subject: [PATCH] fix some performance gaps in Xace
The XaceHook function is used in several hotpaths.
The problem with it (performance wise) is twofold:
* The XaceHook function has a big switch() statement for the hook number in it
* The XaceHook function uses varargs to reassemble the final dispatch arguments again
Both are expensive operations... for something that is known at compile time
This patch turns the hotpath XaceHook call into a direct call to avoid
the switch and varargs; this gives me over 10% performance gain
on the x11perf benchmark.