EventToXI2 returns a NULL event for enter/focus events since these events
aren't yet wrapped into internal events. This is a quickfix only, it works
thanks to the alignment of internal and XI2 event types.
Eventually, enter/leave events should be wrapped into internal events.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
A client that grabs for button/key events may not have the
ButtonPress/KeyPress mask set and should not receive an event in that case.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Keysym grabs are tricky in the details, keycode grabs are known to work. So
for now, provide keycode grabs only.
Requires inputproto 1.9.99.15.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Previously, an active grab on an attached slave device would send the device
floating for the duration of the grab. This breaks existing XI applications
(e.g. the GIMP) since they grab all devices automatically - resulting in the
loss of control over the VCP.
The behaviour of extended input devices during a grab in relation to the
core pointer is not specified in the XI protocol specification.
The removal of the temporary detachment restores the behaviour of extended
input devices as present in currently released servers - even if a device is
grabbed, an event from this device will result in an event from the core
pointer.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Presumably, some intelligent, XI2-aware management app will be calling
XISetClientPointer on behalf of other clients; this check makes sure
the target client has permission on the device.
Requires changing the prototype to return status code instead of Bool.
Signed-off-by: Eamon Walsh <ewalsh@tycho.nsa.gov>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
event->type is always GenericEvent for XI2 events. Instead, XI_ButtonPress
(the generic event's evtype must be stored.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
GetMaster is more reliable than GetPairedDevice, it always returns the
keyboard/pointer if desired, even if the wrong device was passed in.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Let EventToXI, EventToCore and EventToXI2 return BadMatch if there's no
matching event for this protocol spec.
Adjust the delivery paths to cope with BadMatch errors (and clean them up on
the way).
As a side-effect, this fixes server crashes on proximity events for a
grabbed device.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
For proximity events, the XI2 type is 0 and inputMasks never got set in the
preceding condition. As a result, proximity events got never delivered.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
These grabs are suported through two fake devices inputInfo.all_devices and
inputInfo.all_master_devices. These devices are not part of the device list
and are only initialised for their device id, nothing else.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
A passive XI2 grab always uses the paired master device as a modifier
device. After issuing a passive grab, the slave may be reattached to a
different master and hence the modifier device may change.
Rework addresses two issues:
- storing the master device's pointer is a bad idea, we need to store the ID
of the device in case it disappears during the grab.
- restoring the old master did not actually reattach the device. Fixed now.
grab->type is the device type and XI2 types overlap with core events (being
less than GenericEvent). Thus, for passive grabs the grab device would be
overwritten with whatever device was activating it.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Extension devices have ActivateKeyboardGrab as their grab activation
function, hence we need to ensure the implicit passive grab flag is set
accordingly in the grab for further event delivery.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
If an implicit passive grab is active, the XI event mask is in
grab->deviceMask. Otherwise, for explicit grabs, the XI event mask is in
grab->eventMask.
Reported-by: Thomas Jaeger
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
If a passive enter or focus in grab activates, send additional enter or
focus events with mode XIPassiveGrabNotify to the grabbing client.
Likewise, if the grab deactivates, send additional leave or focus out
events.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Enter grabs are checked for in CheckMotion(), each time the sprite window
changes the current grab is deactivated (if applicable) and the new grab is
activated (if applicable). Exception - if the grab is on a parent window of
the current window since we keep the grab across descendants.
Since CheckMotion() may change the grab status of a device, we mustn't get
"dev->deviceGrab.grab" in ProcessOtherEvents until after CheckMotion().
FocusIn grabs are checked in much the same manner.
The event delivery for grabs replaces the NotifyNormal on window change with
a NotifyGrab on window change. Note that this happens before the grab
activates, so the EnterNotify(NotifyGrab) is still delivered to the window,
not to the grabbing client. This is in line with the core protocol semantics
for NotifyGrab events.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
There's devices (e.g. some barcode readers) that have axes but no buttons.
When such a device sends a motion event, the valuator and button class is
copied into the master pointer (i.e. removing the button class).
So we need a couple of extra sanity checks for the button class to exist.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
There's no need for internal events to be a struct with a single nested
union, we might as well make the union itself the InternalEvent.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
isMaster is not enough as long as we differ between master pointers and
keyboard. With flexible device classes, the usual checks for whether a
master device is a pointer (currently check for ->button, ->valuators or
->key) do not work as an SD may post an event through a master and mess this
check up.
Example, a device with valuators but no buttons would remove the button
class from the VCP and thus result in the
IsPointerDevice(inputInfo.pointer) == FALSE.
This will become worse in the future when new device classes are introduced
that aren't provided in the current system (e.g. a switch class).
This patch replaces isMaster with "type", one of SLAVE, MASTER_POINTER and
MASTER_KEYBOARD. All checks for dev->isMaster are replaced with an
IsMaster(dev).
Add a proper access mode, and reverse the logic of the return value.
Zero ("Success") is returned on success from the hook calls.
Signed-off-by: Eamon Walsh <ewalsh@tycho.nsa.gov>
Error: Write outside array bounds at Xext/geext.c:406
in function 'GEWindowSetMask' [Symbolic analysis]
In array dereference of cli->nextSib[extension] with index 'extension'
Array size is 128 elements (of 4 bytes each), index <= 128
Error: Buffer overflow at dix/events.c:592
in function 'SetMaskForEvent' [Symbolic analysis]
In array dereference of filters[deviceid] with index 'deviceid'
Array size is 20 elements (of 512 bytes each), index >= 0 and index <= 20
Error: Read buffer overflow at hw/xfree86/loader/loader.c:226
in function 'LoaderOpen' [Symbolic analysis]
In array dereference of refCount[new_handle] with index 'new_handle'
Array size is 256 elements (of 4 bytes each), index >= 1 and index <= 256
These bugs were found using the Parfait source code analysis tool.
For more information see http://research.sun.com/projects/parfait
Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
All other functions are pushed into where they seemed to fit.
main.c is now linked separately into libmain.a and linked in by the various
DDXs.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
All other functions are pushed into where they seemed to fit.
main.c is now linked separately into libmain.a and linked in by the various
DDXs.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Yes, this means we have even more arguments to GrabDevice. But it beats having
a copy of most but not all of GrabDevice in ProcGrabPointer.
Also, reshuffle the order of parameters, the CARD* status is a return value
and should be last.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
0 is now reserved for the "AllDevices" virtual device.
1 is now reserved for the "AllMasterDevices" virtual device.
This also means that wherever we passed in (mskidx = 0), we now need to pass
in the deviceid.
Don't let everyone acces the filters[] array directly. This is necessary once
we start dealing with GenericEvents, where the filters are a bit more
complicated.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
The masks were originally designed to generically handle event masks for
extensions. Since all that is in-server anyway, it's much better writing
custom event masks for those extensions that need it and not providing a
unified mechanism.
XI2 needs more than the current implementation, which is already too complex
for most other extensions. good riddance.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Best to FatalError if a wrong event comes in. At least that forces me to fix
it really quickly.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This did access the wrong device's sync state, potentially freezing or not
thawing the actual device that was supposed to be thawed.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
dixLookupResource attempted to automatically detect whether the caller
wanted a lookup by-type or by-class, unfortunately, it guessed wrong for
RT_NONE. Instead of trying to make the guess better, this patch just reverts
the unification and creates separate functions for each operation.
Don't pass xEvent* and count through to processing, pass a single
InternalEvent.
Custom handlers are disabled for the time being. And for extra fun,
XKB's pointer motion emulation is disabled. But stick an error in there so
that we get reminded should we forget about it.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
With the API change, we can now purge the XI conversion from POE.
Note: this commit breaks DGA even more.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
deviceGrab.sync.event is now an internal event, and CheckDeviceGrabs and
friends is changed over.
Note that this currently breaks some frozen grabs. See towards the end of
ComputeFreezes().
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Note that we're only partially switched to internal events. The event in the
devices' event queue (dev->deviceGrab.sync.event) is still an XI event. The
events in syncEvents are InternalEvents only now.
This also implies fixing CheckVirtualMotion to work with internal events.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Get rid of the deviceValuator processing and a few other things, but still
drop back into XI before checking device grabs or doing anything else.
NoticeEventTime now needs to take InternalEvents, and while we're at it,
change NoticeTime from a macro to a function.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Note that this breaks DGA. Life is tough.
EnqueueEvent is a somewhat half-baked solution, we immediately drop back into
XI and store them. But it should in theory work.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Don't let the dcce be random data.
Before dropping down into the DIX, convert back into XI events. This is a
temporary solution only, until the DIX is capable of handling InternalEvents
anyway.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Rather, modify the two callers to call separately for the two different.
events. Unexport SetMaskForEvent too.
And while we're at it, get rid of the MotionFilter macro, because it's one
half confusing and one half pointless.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
