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