The peculiar way we handle coordinates results in relative coordinates on
absolute devices being added to the last value, then that value is mapped to
the screen (taking the device dimensions into account). From that mapped
value we get the final coordinates, both screen and device coordinates.
To avoid uneven scaling on relative coordinates, they are pre-scaled by
screen ratio:resolution:device ratio factor before being mapped. This
ensures that a circle drawn on the device is a circle on the screen.
Previously, we used the ratio to scale x up. Synaptics already does its own
scaling based on the resolution and that is done by scaling y down by the
ratio. So we can remove the code from the driver and get approximately the
same behaviour here.
Minor ABI bump, so we can remove this from synaptics.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Tested-by: Emmanuel Benisty <benisty.e@gmail.com>
Signed-off-by: Thomas Klausner <wiz@NetBSD.org>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Simplifies code and reduces risk of overflow from converting length
field in X replies from words to bytes.
One call to _XEatData is left in ephyrHostGLXGetStringFromServer where
it's already been checked for overflow, and other values have been
subtracted from it to reduce the size of data remaining to be eaten.
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reduces risk of overflow from converting length field in X replies
from words to bytes. (Also seems to be what several calls were
already incorrectly passing to _XEatData.)
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Xlib already provides a function to eat padding bytes after the
data read, so use it instead of calculating it ourselves.
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
clientDriverNameLength is a CARD32 and needs to be bounds checked before
adding one to it to come up with the total size to allocate, to avoid
integer overflow leading to underallocation and writing data from the
network past the end of the allocated buffer.
Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Julien Cristau <jcristau@debian.org>
busIdStringLength is a CARD32 and needs to be bounds checked before adding
one to it to come up with the total size to allocate, to avoid integer
overflow leading to underallocation and writing data from the network past
the end of the allocated buffer.
Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Julien Cristau <jcristau@debian.org>
reply.length & reply.size are CARD32s and need to be bounds checked before
multiplying or adding to come up with the total size to allocate, to avoid
integer overflow leading to underallocation and writing data from the
network past the end of the allocated buffer.
Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
numFBConfigs & numAttribs are CARD32s and need to be bounds checked before
multiplying by structure sizes to come up with the total size to allocate,
to avoid integer overflow leading to underallocation and writing data from
the network past the end of the allocated buffer.
Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
numVisuals & numProps are both CARD32 and need to be bounds checked before
multiplying by structure sizes to come up with the total size to allocate,
to avoid integer overflow leading to underallocation and writing data from
the network past the end of the allocated buffer.
Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
A constant deceleration of x simply means (delta * 1/x). We limited that to
values >= 1.0f for obvious reasons, but can also allow values from 0-1.
That means that ConstantDeceleration is actually a ConstantAcceleration, but
hey, if someone needs it...
X.Org Bug 66134 <http://bugs.freedesktop.org/show_bug.cgi?id=66134>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
Seats other than seat0 need custom configuration. Provide that with a
default configuration file so we can share it across distros.
This file intentionally does not end in .conf so it won't get picked up by
the server after a normal installation. gdm, or whatever starts up the
servers will have to explicitly specifiy this config file.
This file replaces the one currently written by systemd's multi-seat-x
binary:
http://cgit.freedesktop.org/systemd/systemd/tree/src/login/multi-seat-x.c
CC: Lennart Poettering <lennart@poettering.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>
* __FreeBSD_kernel_version doesn't exist anymore
* The removed check was for FreeBSD versions from before September 2000
which are no longer supported anyway
* Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=66045
Signed-off-by: François Tigeot <ftigeot@wolfpond.org>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
If we are not backing up logfiles, remove the old logfile before trying to write
a new logfile, as otherwise the operation may fail if the previous logfile was
created by a different user.
This change is useful when:
- The DDX doesn't use the logfile backup mechanism (i.e. not Xorg)
- The DDX is run by a non-root user, and then by a different non-root user
- The logfile directory doesn't have the restricted-deletion flag set
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Acked-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Reviewed-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Ungrabbing a device during an active touch grab rejects the grab. Ungrabbing
a device during an active pointer grab accepts the grab.
Rejection is not really an option for a pointer-emulated grab, if a client
has a button mask on the window it would get a ButtonPress emulated after
UngrabDevice. That is against the core grab behaviour.
X.Org Bug 66720 <http://bugs.freedesktop.org/show_bug.cgi?id=66720>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jasper St. Pierre <jstpierre@mecheye.net>
If the -ardelay or -arinterval options have no argument, there's no
point trying to read it.
See
http://www.forallsecure.com/bug-reports/feb3db57fc206d8df22ca53a6907f74973876272/
Reported-by: Alexandre Rebert <alexandre@cmu.edu>
Signed-off-by: Julien Cristau <jcristau@debian.org>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This reverts commit 3209b094a3. After a
long debug session by Paul Berry, it appears that this was the commit
that has been producing sporadic failures in piglit front buffer
rendering tests for the last several years.
GetBuffers may return fresh buffers with invalid contents at a couple
reasonable times:
- When first asked for a non-fake-front buffer.
- When the drawable size is changed, an Invalidate has been sent, and
obviously the app needs to redraw the whole buffer.
- After a glXSwapBuffers(), GL allows the backbuffer to be undefined,
and an Invalidate was sent to tell the GL that it should grab these
appropriate new buffers to avoid stalling.
But with the patch being reverted, GetBuffers would also return fresh
invalid buffers when the drawable serial number changed, which is
approximately "whenever, for any reason". The app is not expecting
invalid buffer contents "whenever", nor is it valid. Because the GL
usually only GetBuffers after an Invalidate is sent, and the new
buffer allocation only happened during a GetBuffers, most apps saw no
problems. But apps that do (fake-)frontbuffer rendering do frequently
ask the server for the front buffer (since we drop the fake front
allocation when we're not doing front buffer rendering), and if the
drawable serial got bumped midway through a draw, the server would
pointlessly ditch the front *and* backbuffer full of important
drawing, resulting in bad rendering.
The patch was originally to fix bugzilla:
https://bugs.freedesktop.org/show_bug.cgi?id=28365
Specifically:
To reproduce, start with a large-ish display (i.e. 1680x1050 on my
laptop), use the patched glxgears from bug 28252 to add the
-override option. Then run glxgears -override -geometry 640x480
to create a 640x480 window in the top left corner, which will work
fine. Next, run xrandr -s 640x480 and watch the fireworks.
I've tested with an override-redirect glxgears, both with vblank sync
enabled and disabled, both with gnome-shell and no window manager at
all, before and after this patch. The only problem observed was that
before and after the revert, sometimes when alt-tabbing to kill my
gears after completing the test gnome-shell would get confused about
override-redirectness of the glxgears window (according to a log
message) and apparently not bother doing any further compositing.
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Keith Packard <keithp@keithp.com>
Update manifest to target all architectures, not just x86
Also: Write explicit dependencies for Xwin.rc. XWin.exe.manifest and X.ico are
included the resource compiler output, so add a dependency on them to cause it
to be recompiled if they change.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
Win32 Windows properties are of pointer type HANDLE, not an integer type, but we
use the Windows property WINDOW_WID_PROP to store the X window XID.
Add appropriate casts to show it doesn't matter that an XID is smaller than a
pointer on 64-bit build.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
winMultiWindowGetTransientFor() accesses the WM_TRANSIENT_FOR property, which is
an X window XID (which we compare with WINDOW_WID_PROP) and not a WindowPtr.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
Change winIconIsOverride() to take a HICON parameter, so some unneccessary
casts, which weren't portable to 64-bit Cygwin, can be removed.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
Fix uses of CreateDialogParam() to be more strictly correct, for 64-bit builds
dwInitParam parameter is LPARAM, not int
Return type of DLGPROC is INT_PTR, not WINBOOL
Also: Reporting the value of g_hDlgDepthChange is completely uninteresting, we
are just interested in GetLastError() if it is NULL
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
The deprecated interface cygwin_conv_to_win32_path() doesn't exist in 64-bit
cygwin, but both the ID_ABOUT_CHANGELOG control and the referenced file who's
path we are converting haven't existed for a while, so just remove this unused,
cygwin-specific code.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
Fix a 64-bit portability issue with casting HINSTANCE result of ShellExecute()
to an integer: Since HINSTANCE is a pointer type, use INT_PTR rather than int.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>
This is the fedora quirks file configuring the special handling some devices
need. Rather than keeping this distro-specific add it to the tree so we can
share these quirks.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Fixes a build failure on debian's udeb builds.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This shouldn't have been in the patch
Reported-by: Colin Harrison <colin.harrison@virgin.net>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
defmin/defmax are screen coords and thus use a min-inclusive, max-exclusive
range. device axes ranges are inclusive, so bump the max up by one to get the
scaling right.
This fixes off-by-one coordinate errors if the coordinate matrix is used to
bind the device to a fraction of the screen. It introduces an off-by-one
scaling error in the device coordinate range, but since most devices have a
higher resolution than the screen (e.g. a Wacom I4 has 5080 dpi) the effect
of this should be limited.
This error manifests when we have numScreens > 1, as the scaling from
desktop size back to screen size drops one device unit.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
commit 61a99aff9d
dix: pre-scale relative events from abs devices to desktop ratio (#31636)
added pre-scaling of relative coordinates coming from absolute devices to
undo uneven scaling based on the screen dimensions.
Devices have their own device width/height ratio as well (in a specific
resolution) and this must be applied for relative devices as well to avoid
scaling of the relative events into the device's ratio.
e.g. a Wacom Intuos4 6x9 is in 16:10 format with equal horiz/vert
resolution (dpi). A movement by 1000/1000 coordinates is a perfect diagonal
on the tablet and must be reflected as such on the screen.
However, we map the relative device-coordinate events to absolute screen
coordinates based on the axis ranges. This results in an effective scaling
of 1000/(1000 * 1.6) and thus an uneven x/y axis movement - the y
axis is always faster.
So we need to pre-scale not only by the desktop dimenstions but also by the
device width/height ratio _and_ the resolution ratio.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Too many callers relied on the refcnt being handled correctly. Use a simple
wrapper to handle that case.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
ProcessTouchEvents() calls UDS for all touch events, but if the event type
was switched to TouchUpdate(pending end) UDS is a noop.
Daniel Drake found this can cause stuck buttons if a touch grab is
activated, rejected and the touch event is passed to a regular listener.
This sequence causes the TouchEnd to be changed to TouchUpdate(pending end).
The actual TouchEnd event is later generated by the server once it is passed
to the next listener. UDS is never called for this event, thus the button
remains logically down.
A previous patch suggested for UDS to handle TouchUpdate events [1], however
this would release the button when the first TouchEvent is processed, not
when the last grab has been released (as is the case for sync pointer
grabs). A client may thus have the grab on the device, receive a ButtonPress
but see the button logically up in an XQueryPointer request.
This patch adds a call to UDS to TouchEmitTouchEnd(). The device state must
be updated once a TouchEnd event was sent to the last grabbing listener and
the number of grabs on the touchpoint is 0.
[1] http://patchwork.freedesktop.org/patch/13464/
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
The cursor is referenced during CopyGrab(), thus doesn't need to be handled
manually anymore. It does need to be refcounted for temp grabs though.
The oldGrab handling in ProcGrabPointer is a leftover from the cursor in the
grab being refcounted, but the grab itself being a static struct in the
DeviceIntRec. Now that all grabs are copied, this lead to a double-free of
the cursor (Reproduced in Thunderbird, dragging an email twice (or more
often) causes a crash).
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Also add my name to the list of authors in COPYING
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
A client may call XIGrabDevice twice, overwriting the existing grab. Thus,
make sure we free the old copy after we copied it. Free it last, to make
sure our refcounts don't run to 0 and inadvertantly free something on the
way.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
If we have one listener left but it's not a grab, it cannot be in
LISTENER_HAS_ACCEPTED state.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
TouchListenerGone cleans up if a client disappears. Having this in
FreeGrab() triggers cyclic removal of grabs, emitting wrong events. In
particular, it would clean up a passive grab record while that grab is
active.
Move it to CloseDownClient() instead, cleaning up before we go.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Introduced in xorg-server-1.13.99.901-2-g9ad0fdb. Storing the grab pointer
in the listener turns out to be a bad idea. If the grab is not an active
grab or an implicit grab, the pointer stored is the one to the grab attached
on the window. This grab may be removed if the client calls UngrabButton or
similar while the touch is still active, leaving a dangling pointer.
To avoid this, copy the grab wherever we need to reference it later. This
is also what we do for pointer/keyboard grabs, where we copy the grab as
soon as it becomes active.
Reported-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
