[PATCH inputproto multitouch 10/13] Touch grabs must be sync only
Peter Hutterer
peter.hutterer at who-t.net
Tue Aug 23 16:07:20 PDT 2011
The ownership passing is quite similar to sync grabs, so require touch grabs
to always be sync.
Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
specs/XI2proto.txt | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/specs/XI2proto.txt b/specs/XI2proto.txt
index f88a283..c63e85f 100644
--- a/specs/XI2proto.txt
+++ b/specs/XI2proto.txt
@@ -1548,6 +1548,9 @@ grab deactivates, addional LeaveNotify events with mode
XIPassiveUngrabNotify are generated and sent to the grabbing client
before the grab deactivates.
+For GrabtypeTouchBegin, grab_mode must be GrabSync or a BadValue
+error is generated.
+
See section 4.4 for additional notes on touch grabs, as they do not
behave like traditional grabs: in particular, they do not freeze the
device, and delivery of touch events continues even if the device is
--
1.7.6
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