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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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Add the five first contacts to the property list, and unify the
handling of all gesture types in this regard. To avoid duplication,
move the scaling of properties closer to the gesture recognizer.
Move all gesture event handling code to grail-event.c, simplifying
the structure somewhat.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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With meta gestures, the gesture starts given a certain number of
fingers, but can then continue even if the number of fingers change.
By configuration, such gestures live on a different priority plane
from normal gestures. To match window manager specs, this patch adds
the environment and meta planes, and add drag, pinch and rotate gestures
initiated with three and four fingers, respectively.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Also add accumulated values for delta and velocity properties.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Use the names drag, pinch and rotate, and remove the combo gesture.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Accumulated values can be obtained either by using the raw_delta,
which is the actual (filtered) change between frames, or by using
the action delta, which sums up to the same position, but in a non-
linear fashion. Use the raw delta for pointer gestures.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Reorganize the mode model to use bitmasks for tickle and active,
and refine the tickle logic for each gesture.
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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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