def create_scroll_actor(stage):
scroll = Clutter.ScrollActor(name='scroll')
scroll.set_position(0, 18)
scroll.add_constraint(
Clutter.AlignConstraint(source=stage,
align_axis=Clutter.AlignAxis.X_AXIS,
factor=0.5))
scroll.add_constraint(
Clutter.BindConstraint(source=stage,
coordinate=Clutter.BindCoordinate.HEIGHT,
offset=-36))
scroll.set_scroll_mode(Clutter.ScrollMode.VERTICALLY)
scroll.set_easing_duration(250)
scroll.add_child(create_menu_actor())
stage.add_child(scroll)
def create_listbox(posX,
posY,
sizeX,
sizeY,
orientation=Clutter.Orientation.HORIZONTAL,
iD="listbox",
pad=1,
handle_mouse=_handle_lb_mouse,
handle_itemclick=None):
boxLayout = Clutter.BoxLayout()
boxLayout.set_orientation(orientation)
boxLayout.set_spacing(pad)
boxList = Clutter.ScrollActor()
if orientation == Clutter.Orientation.HORIZONTAL:
boxList.set_scroll_mode(Clutter.ScrollMode.HORIZONTALLY)
elif orientation == Clutter.Orientation.VERTICAL:
boxList.set_scroll_mode(Clutter.ScrollMode.VERTICALLY)
#boxList = Clutter.Actor()
boxList.set_layout_manager(boxLayout)
boxList.set_id(iD)
boxList.set_position(posX, posY)
boxList.set_size(sizeX, sizeY)
boxList.set_reactive(True)
gActors[iD] = {
'curIndex': 0, # index to current selection in the listbox
'startTime': None, # store time of button press
'prevPos': None,
'prevTime':
None, # location and time of mouse wrt last event during scroll
'posX': 0,
'posY': 0, # Corresponds to offset wrt Viewport start
'handle_itemclick':
handle_itemclick, # custom handler for handling itemclicks
'blur': False
} # Tell if blur effect is currently active, for example during scroll beyond boundries
if handle_mouse != None:
boxList.connect("button-press-event", handle_mouse)
boxList.connect("button-release-event", handle_mouse)
boxList.connect("motion-event", handle_mouse)
return boxList
if key == Clutter.KEY_Return or key == Clutter.KEY_KP_Enter:
menu.activate_item()
return True
return False
if __name__ == '__main__':
Clutter.init(None)
stage = Clutter.Stage(title='Actor Model', user_resizable=True)
stage.connect('destroy', Clutter.main_quit)
stage.connect('key-press-event', on_key_press_event)
stage.show()
scroll = Clutter.ScrollActor(name='scroll')
scroll.set_position(0, 18)
scroll.add_constraint(
Clutter.AlignConstraint(source=stage,
align_axis=Clutter.AlignAxis.X_AXIS,
factor=0.5))
scroll.add_constraint(
Clutter.BindConstraint(source=stage,
coordinate=Clutter.BindCoordinate.HEIGHT,
offset=-36))
scroll.set_scroll_mode(Clutter.ScrollMode.VERTICALLY)
scroll.set_easing_duration(250)
stage.add_child(scroll)
menu = Menu()
scroll.add_child(menu)
