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Separate out reporting of the touch state, such that reporting
can be deferred. Does not introduce any logic changes.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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This bug was introduced in v1.0.11. Only report events when
the pointer position is actually changing.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Inject the emulated events into the event buffer instead,
and move the pointer logic into the emulation handler.
Introduces no logical changes, but reveals the bug in the
position event frequency.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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There is no need to buffer events that will be ignored later on,
so move the event filter to the upstream side. This also allows
the event buffer to be used for injected events.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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The current frame computation returns the event types to filter,
which is less useful than knowing what gesture types are active
in the frame. Add the active gesture types to the frame struct
and simplify usage.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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This bug was hidden behind the motion inhibit during tapping,
but resurfaced when tapping from resting finger was introduced.
With this patch, pointer movement is inhibited also when lifting
fingers from the surface.
Ideally, tapping should be treated as a transient event, which would
allow zero pointer event also _before_ the tap, but presently unity
seems to depend on the initial pointer movement as a touch-down event.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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The current code lets abs events through during one-finger drags,
and tapping does not work properly due to abs events not always
being present during taps. Track the pointer position and emit abs
events only if no gestures are in effect, and only if not explicitly
filtered.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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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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Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Not counting the BTN_TOUCH event implied not emitting the sync
event, which confused evdev.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Reinsert BTN_TOUCH depending on the drag gesture
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Always send drag events for one-finger touches, but only filter
the ABS_X/Y events if grail_filter_abs_events() is set to true.
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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