def __init__(self):
super(Graticule, self).__init__()
self.__constraints = []
constraint = Clutter.AlignConstraint()
constraint.set_factor(0.5)
constraint.set_align_axis(Clutter.AlignAxis.X_AXIS)
self.__constraints += [constraint]
constraint = Clutter.AlignConstraint()
constraint.set_align_axis(Clutter.AlignAxis.Y_AXIS)
constraint.set_factor(0.5)
self.__constraints += [constraint]
constraint = Clutter.BindConstraint()
constraint.set_coordinate(Clutter.BindCoordinate.SIZE)
self.__constraints += [constraint]
for constraint in self.__constraints:
self.add_constraint(constraint)
self.connect('paint', self.paint)
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)
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)
menu.populate()
Clutter.main()
if __name__ == '__main__':
Clutter.init(None)
# The main stage
stage = Clutter.Stage(title='Constraints', user_resizable=True)
stage.props.background_color = Clutter.Color.get_static(Clutter.StaticColor.ALUMINIUM_1)
stage.connect('destroy', Clutter.main_quit)
# First actor, with a fixed (100, 25) size
layer_a = Clutter.Actor()
layer_a.props.background_color = Clutter.Color.get_static(Clutter.StaticColor.SCARLET_RED)
layer_a.set_size(100, 25)
stage.add_child(layer_a)
# The first actor is anchored to the center of the stage
layer_a.add_constraint(Clutter.AlignConstraint(source=stage, align_axis=Clutter.AlignAxis.BOTH, factor=0.5))
# Second actor, with no explicit size
layer_b = Clutter.Actor()
layer_b.props.background_color = Clutter.Color.get_static(Clutter.StaticColor.BUTTER_DARK)
stage.add_child(layer_b)
# The second actor tracks the X coordinate and the width of the first actor
layer_b.add_constraint(Clutter.BindConstraint(source=layer_a, coordinate=Clutter.BindCoordinate.X))
layer_b.add_constraint(Clutter.BindConstraint(source=layer_a, coordinate=Clutter.BindCoordinate.WIDTH))
# The second actor is snapped between the bottom edge of the first actor
# and the bottom edge of the stage; vertical spacing of 10px is added for
# padding
layer_b.add_constraint(Clutter.SnapConstraint(source=layer_a,
from_edge=Clutter.SnapEdge.TOP,
stage = Clutter.Stage()
stage.props.title = 'Multi-layout'
stage.connect('destroy', Clutter.main_quit)
stage.show()
N_RECTS = 16
RECT_SIZE = 64
N_ROWS = 4
PADDING = 12
BOX_SIZE = (RECT_SIZE * (N_RECTS / N_ROWS) + PADDING * (N_RECTS / N_ROWS - 1))
layout = MultiLayout()
layout.spacing = PADDING
box = Clutter.Actor(layout_manager=layout, width=BOX_SIZE, height=BOX_SIZE)
box.set_margin(Clutter.Margin(PADDING))
box.add_constraint(Clutter.AlignConstraint(source=stage, align_axis=Clutter.AlignAxis.BOTH, factor=0.5))
stage.add_child(box)
for i in range(N_RECTS):
color = Clutter.Color.from_hls(360 / N_RECTS * i, 0.5, 0.8)
color.alpha = 128 + 128 / N_RECTS * i
rect = Clutter.Actor()
rect.props.background_color = color
rect.props.opacity = 0
rect.props.reactive = True
rect.set_size(RECT_SIZE, RECT_SIZE)
rect.set_pivot_point(0.5, 0.5)
rect.set_easing_duration(250)
rect.set_easing_mode(Clutter.AnimationMode.EASE_OUT_CUBIC)
box.add_child(rect)