Beginnings of a simple scene API. Inspired opened-hand's Clutter

examples/scene/scene.py

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+#!/usr/bin/python
+
+import pygtk
+pygtk.require('2.0')
+import gtk
+
+from sugar.scene.Stage import Stage
+from sugar.scene.Group import Group
+from sugar.scene.PixbufActor import PixbufActor
+
+def drawing_area_expose_cb(widget, event, stage):
+	stage.render(widget.window)
+
+stage = Stage()
+
+pixbuf = gtk.gdk.pixbuf_new_from_file('background.png')
+stage.add(PixbufActor(pixbuf))
+
+icons_group = Group()
+
+i = 1
+while i <= 5:
+	pixbuf = gtk.gdk.pixbuf_new_from_file('activity%d.png' % i)
+	icons_group.add(PixbufActor(pixbuf))
+	i += 1
+
+stage.add(icons_group)
+
+window = gtk.Window()
+window.set_default_size(640, 480)
+
+drawing_area = gtk.DrawingArea()
+drawing_area.connect('expose_event', drawing_area_expose_cb, stage)
+window.add(drawing_area)
+drawing_area.show()
+
+window.show()
+
+gtk.main()

sugar/scene/Actor.py

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+class Actor:
+	def __init__(self):
+		self._x = 0
+		self._y = 0
+		self._width = -1
+		self._height = -1
+
+	def set_position(self, x, y):
+		self._x = x
+		self._y = y
+
+	def set_size(self, width, height):
+		self._width = width
+		self._height = height
+
+	def render(self, window):
+		pass

sugar/scene/Group.py

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+from sugar.scene.Actor import Actor
+
+class Group(Actor):
+	def __init__(self):
+		self._actors = []
+
+	def add(self, actor):
+		self._actors.append(actor)
+
+	def remove(self, actor):
+		self._actors.remove(actor)
+
+	def render(self, drawable):
+		for actor in self._actors:
+			actor.render(drawable)

sugar/scene/PixbufActor.py

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+import gtk
+
+from sugar.scene.Actor import Actor
+
+class PixbufActor(Actor):
+	def __init__(self, pixbuf):
+		Actor.__init__(self)
+
+		self._pixbuf = pixbuf
+
+	def render(self, drawable):
+		gc = gtk.gdk.GC(drawable)
+		drawable.draw_pixbuf(gc, self._pixbuf, 0, 0, self._x, self._y)

sugar/scene/Stage.py

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+from sugar.scene.Group import Group
+
+class Stage(Group):
+	def __init__(self):
+		Group.__init__(self)