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dix: add helper functions for adding/removing touch listeners

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The DIX will call TouchSetupListeners once for a new touch. After that
the listener list remains static, with listeners only dropping out when they
either reject the grab or disappear.

Exception: if grabs activate they are prefixed to the listeners.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>
This commit is contained in:
Peter Hutterer
2011-12-14 16:24:17 +10:00
parent 6a68f97ce6
commit 5d0260cc98
2 changed files with 227 additions and 1 deletions
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5
include/input.h
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@@ -611,7 +611,10 @@ extern Bool TouchEventHistoryAllocate(TouchPointInfoPtr ti);
extern void TouchEventHistoryFree(TouchPointInfoPtr ti);
extern void TouchEventHistoryPush(TouchPointInfoPtr ti, const DeviceEvent *ev);
extern void TouchEventHistoryReplay(TouchPointInfoPtr ti, DeviceIntPtr dev, XID resource);
extern void TouchAddListener(TouchPointInfoPtr ti, XID resource, enum InputLevel level,
enum TouchListenerType type, enum TouchListenerState state);
extern Bool TouchRemoveListener(TouchPointInfoPtr ti, XID resource);
extern void TouchSetupListeners(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev);
extern Bool TouchEnsureSprite(DeviceIntPtr sourcedev, TouchPointInfoPtr ti,
InternalEvent *ev);
extern Bool TouchBuildDependentSpriteTrace(DeviceIntPtr dev, SpritePtr sprite);