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The original grail uses an internal touch framework and exports some
touch information as extended attributes to gesture events. This was
never quite the intention, but rather to expose gestures and touches
on a similar footing, such that grail can be input agnostic. This
patch starts off by replacing the internal touch framework with the
utouch-frame engine.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Simulate MT touch events for legacy devices that support the
DOUBLETAP, TRIPLETAP and QUADTAP events. This allows multi-finger
tap and drag gestures to be emitted, providing a basic level of
MT functionality for legacy devices.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Some devices do not always send touch_minor after touch_major
has been set. According to the MT protocol, this case should
be treated as if minor is equal to major. This patch makes sure
touch_minor is never zero when touch_major is set.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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To be able to model touch information uniformly across all supported
devices, the semantics of the touch attributes has to be treated
explicitly. Drop the generic touch property array and replace it
by an actual structure. In addition, the touch-engine abstraction
turned out to not be needed, so drop it as well.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Add the author to the copyright, courtesy of Canonical Ltd.
Signed-off-by: Henrik Rydberg <rydberg@bitmath.org>
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