def glue(self, item, handle, vpos):
"""
Perform a small glue action to ensure the handle is at a
proper location for connecting.
"""
if self.motion_handle:
return self.motion_handle.glue(vpos)
else:
return HandleInMotion(item, handle, self.view).glue(vpos)
def on_motion_notify(self, event):
"""
Handle motion events. If a handle is grabbed: drag it around,
else, if the pointer is over a handle, make the owning item the
hovered-item.
"""
view = self.view
if self.grabbed_handle and event.state & gtk.gdk.BUTTON_PRESS_MASK:
canvas = view.canvas
item = self.grabbed_item
handle = self.grabbed_handle
pos = event.x, event.y
if not self.motion_handle:
self.motion_handle = HandleInMotion(item, handle, self.view)
self.motion_handle.start_move(pos)
self.motion_handle.move(pos)
return True
