~bratsche/libgrip/python-fixage-wip

from gi.repository import Gtk

Gtk.require_version('2.0')

from gi.repository import Grip

# XXX For now, we'll use Grip directly. Once we have a good sense of what's

# going to be needed in general for general Python code using Grip, we might

# want to put that stuff in a wrapper grip module, and import everything from

# there instead.

class GestureTester(object):

    def __init__(self):

        builder = Gtk.Builder()

        builder.add_from_file("pygrip-gestures.xml")

        builder.connect_signals(self)

        self.window = builder.get_object("window1")

        self.window.show()

    def window_mapped(self, widget, data=None):

        # The gesture manager is only going to be needed for GTK2, since GTK3

        # will have the gesture API natively. Conversely, pygrip will only be

        # for GTK2, since PyGTK3 will having the bindings.

        gesture_manager = Grip.GestureManager()

        # For the purpose of this example, we are registering all gestures; we

        # could limit this by choosing a different pygrip.GRIP_GESTURE_*

        # mask. Similarly, we're using one set of callbacks for all the

        # gestures; we could have different callbacks for different registered

        # gestures.

        # XXX the comment above is for the new API; the example below has been

        # reverted to the older API until the new one is merged to trunk.

        finger_count = 2

        gesture_manager.register_window(

            self.window, Grip.GestureType.PINCH, finger_count, self.callback, None)

    def callback(self, window, time_type, gesture_type, gesture_event):

        print "received gesture"

    def quit(self, widget, data=None):

        Gtk.main_quit()

if __name__ == "__main__":

    app = GestureTester()

    Gtk.main()