Accept touch sequence for pointer listener after second event delivery
This is a bit of unimplemented code for touchscreen pointer emulation. A pointer grabbing client currently never accepts the touch sequence. The sequence must be accepted once any touch-derived event is irrevocably delivered to a client. The first pointer event, derived from a touch begin event, may be caught in a sync grab and then replayed. This is essentially a revocable delivery of an event. Thus, we must wait till a non-begin event is delivered. Signed-off-by: Chase Douglas <chase.douglas@canonical.com> Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
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@ -1466,6 +1466,12 @@ DeliverTouchEmulatedEvent(DeviceIntPtr dev, TouchPointInfoPtr ti,
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if (!deliveries)
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DeliverOneGrabbedEvent(ptrev, dev, grab->grabtype);
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/* We must accept the touch sequence once a pointer listener has
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* received one event past ButtonPress. */
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if (deliveries && ev->any.type != ET_TouchBegin &&
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!(ev->device_event.flags & TOUCH_CLIENT_ID))
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TouchListenerAcceptReject(dev, ti, 0, XIAcceptTouch);
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if (ev->any.type == ET_TouchEnd &&
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!dev->button->buttonsDown &&
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dev->deviceGrab.fromPassiveGrab && GrabIsPointerGrab(grab)) {
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