73 lines
3.1 KiB
Python
73 lines
3.1 KiB
Python
import clutter
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class Transition:
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def __init__(self, GlossMgr):
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self.stage = GlossMgr.stage
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self.glossMgr = GlossMgr
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def do_transition(self, fromMenu, toMenu):
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#oldGroup = fromMenu.getItemGroup()
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#newGroup = toMenu.getItemGroup()
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#oldGroup.set_opacity(255)
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self.timeline = clutter.Timeline(25, 50)
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self.timeline.connect('completed', self.slide_complete, fromMenu)
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self.alpha = clutter.Alpha(self.timeline, clutter.ramp_inc_func)
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#self.exit_behaviour_scale = clutter.BehaviourScale(self.alpha, 1, 0.5, clutter.GRAVITY_CENTER)
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self.exit_behaviour_opacity = clutter.BehaviourOpacity(opacity_start=150, opacity_end=0, alpha=self.alpha)
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#Setup some knots
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knots_exiting = (\
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(fromMenu.get_x(), fromMenu.get_y()),\
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#(-oldGroup.get_x(), int(fromMenu.getStage().get_height()/2))
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(-fromMenu.get_x(), fromMenu.get_group_y())\
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)
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self.exit_behaviour_path = clutter.BehaviourPath(knots=knots_exiting, alpha=self.alpha)
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#self.exit_behaviour_scale.apply(oldGroup)
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self.exit_behaviour_opacity.apply(fromMenu.get_current_item().itemTexturesGroup)
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self.exit_behaviour_opacity.apply(fromMenu)
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self.exit_behaviour_path.apply(fromMenu)
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##################################################################
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#Start incoming menu
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#self.exit_behaviour_scale = clutter.BehaviourScale(self.alpha, 1, 0.5, clutter.GRAVITY_CENTER)
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self.entrance_behaviour_opacity = clutter.BehaviourOpacity(opacity_start=0, opacity_end=255, alpha=self.alpha)
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#Setup some knots
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start_y = fromMenu.get_y()#int(self.stage.get_height()/2 - newGroup.get_height()/2)
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start_x = int(self.stage.get_width())
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(end_x, end_y) = fromMenu.get_position()
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knots_entering = (\
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#(toMenu.get_x(), toMenu.get_y()),\
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(start_x, start_y),\
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(end_x, int(fromMenu.get_y()))
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#(end_x, fromMenu.get_group_y()) \
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#toMenu.get_display_position()
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)
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self.entrance_behaviour_path = clutter.BehaviourPath(self.alpha, knots_entering)
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self.entrance_behaviour_opacity.apply(toMenu.get_current_item().itemTexturesGroup)
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self.entrance_behaviour_opacity.apply(toMenu)
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self.entrance_behaviour_path.apply(toMenu)
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#This takes care of adding the new menu to the stage etc
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toMenu.display()
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#Finally, move the selector bar
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(bar_x, bar_y) = self.glossMgr.selector_bar.position_0
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self.glossMgr.selector_bar.move_to(bar_x, bar_y, self.timeline)
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toMenu.selectFirst(False)
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self.timeline.start()
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self.glossMgr.currentMenu = toMenu
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def slide_complete(self, timeline, fromMenu):
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self.stage.remove(fromMenu)
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#self.stage.remove(fromMenu.get_current_item().itemTexturesGroup)
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fromMenu.get_current_item().itemTexturesGroup.get_parent().remove(fromMenu.get_current_item().itemTexturesGroup) |