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Author SHA1 Message Date
Jasper St. Pierre
75b521de6e pan-action: Add a simple convenience function to retrieve delta/coords
This is a simple helper designed to ease the implementation of alternate
implementations of the "pan" signal handler.

https://bugzilla.gnome.org/show_bug.cgi?id=689061
2012-11-30 17:19:14 -05:00
Emanuele Aina
19de5d2541 action: fix CLUTTER_GESTURE_ACTION_GET_CLASS()
Fix the same cut'n'paste error fixed for GestureAction in 609766fa,
this time in ClickAction, PanAction, RotateAction and SwipeAction.

https://bugzilla.gnome.org/show_bug.cgi?id=683430
2012-09-11 23:05:15 +02:00
Emanuele Aina
9ca06d2895 pan-action: add PanAction, to handle panning in scrollable actors
PanAction is a GestureAction-subclass that implements the panning
concept for scrollable actors, with the ability to emit interpolated
signals to emulate the kinetic inertia of the panning. PanAction provides:

• pan signal, notifying users of the panning gesture status;

• pan-stopped signal, emitted at the end of the interpolated phase
  of the panning gesture, if enabled;

• pan-axis property, to allow constraining the dragging to a specific
  axis;

• interpolated property, to enable or disable the inertial behaviour;

• deceleration property, to customize the rate at which the momentum
  of the panning will be slowed down;

• acceleration-factor property, applied to the inertial momentum when
  starting the interpolated sequence.

An interactive test is also provided.

https://bugzilla.gnome.org/show_bug.cgi?id=681648
2012-08-28 10:11:16 -03:00