On Tue, 2014-03-04 at 00:55 +0100, Carlos Garnacho wrote: > Hey everyone, > > In the past days I've been hacking again on the gestures branch, and > it's reaching an state where I feel it's getting quite solid, so I would > like to get discussion started, tentatively aiming to get this included > early in 3.13. > > Overview > ======== > > The two object types this relies on are GtkEventController and > GtkGesture. GtkEventController is a very lowlevel abstraction for > something that just "handles events". GtkGesture is a subclass very > centered around handling single or multiple sequences of > press/update.../release events, by default it's restricted to handling > touch events, although can be made to listen to mouse events, either > though API or through the GTK_TEST_TOUCHSCREEN envvar (a NULL > GdkEventSequence is used in those cases). > > Multiple GtkGesture implementations are offered in the branch: > > * Drag: keeps track of drags, reporting the offset from the drag > start point. > * Swipe: reports x/y velocity at the end of a begin/update/end > sequence. > * LongPress: reports long presses, or those being canceled after > threshold/timeout excess. > * MultiPress: reports multiple presses, as long as they're within > double click threshold/timeout > * Rotate: reports angle changes from two touch sequences > * Zoom: reports distance changes from to touch sequences as a > factor of the initial distance.
What about the single tap/press? Do the gestures for which it makes sense also give back the center of the operation? Do the gestures know about each other? (like, if there's no long-press in my widget, will it understand that I'm starting a drag or I'm slow at tapping?) Cheers _______________________________________________ gtk-devel-list mailing list gtk-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-devel-list
