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input: add support for XIAllDevices and XIAllMasterDevices passive grabs.

Browse source 
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>
This commit is contained in:
Peter Hutterer 2009-06-01 15:37:53 +10:00
commit a66686a83e
5 changed files with 57 additions and 4 deletions
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12
dix/events.c
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@ -248,6 +248,18 @@ static Bool CheckPassiveGrabsOnWindow(WindowPtr pWin,
*
* inputInfo.numDevices
* Total number of devices.
*
* inputInfo.all_devices
* Virtual device used for XIAllDevices passive grabs. This device is
* not part of the inputInfo.devices list and mostly unset except for
* the deviceid. It exists because passivegrabs need a valid device
* reference.
*
* inputInfo.all_master_devices
* Virtual device used for XIAllMasterDevices passive grabs. This device
* is not part of the inputInfo.devices list and mostly unset except for
* the deviceid. It exists because passivegrabs need a valid device
* reference.
*/
InputInfo inputInfo;