sugar-toolkit-gtk3/examples/animator.py
Pro-Panda aa8a5e70c4 Port from Python 2 to six
Signed-off-by: James Cameron <quozl@laptop.org>
2019-03-13 14:23:06 +11:00

47 lines
1.0 KiB
Python

from gi.repository import Gtk
from sugar3.graphics import animator
from sugar3.graphics.icon import Icon
from sugar3.graphics import style
from common import set_theme
set_theme()
class _Animation(animator.Animation):
def __init__(self, icon, start_size, end_size):
animator.Animation.__init__(self, 0.0, 1.0)
self._icon = icon
self.start_size = start_size
self.end_size = end_size
def next_frame(self, current):
d = (self.end_size - self.start_size) * current
self._icon.props.pixel_size = int(self.start_size + d)
def __animation_completed_cb(anim):
print('Animation completed')
w = Gtk.Window()
w.connect('delete-event', Gtk.main_quit)
box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
w.add(box)
anim = animator.Animator(5)
anim.connect('completed', __animation_completed_cb)
my_icon = Icon(icon_name='go-next')
box.pack_start(my_icon, False, False, 0)
anim.add(_Animation(my_icon, style.STANDARD_ICON_SIZE, style.XLARGE_ICON_SIZE))
anim.start()
w.show_all()
Gtk.main()