From 621e43563f9c3b4166b13bdda36419d17f5eb658 Mon Sep 17 00:00:00 2001
From: Marco Pesenti Gritti <marco@localhost.localdomain>
Date: Mon, 14 Aug 2006 18:54:33 +0000
Subject: Get rid of the initial implementation of Diana design since that's no more the plan.

---
diff --git a/examples/scene/activity1.png b/examples/scene/activity1.png
deleted file mode 100644
index f8b4350..0000000
--- a/examples/scene/activity1.png
+++ /dev/null
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diff --git a/examples/scene/activity2.png b/examples/scene/activity2.png
deleted file mode 100644
index aaadc0f..0000000
--- a/examples/scene/activity2.png
+++ /dev/null
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diff --git a/examples/scene/activity3.png b/examples/scene/activity3.png
deleted file mode 100644
index 6f64515..0000000
--- a/examples/scene/activity3.png
+++ /dev/null
Binary files differ
diff --git a/examples/scene/activity4.png b/examples/scene/activity4.png
deleted file mode 100644
index c33e50c..0000000
--- a/examples/scene/activity4.png
+++ /dev/null
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diff --git a/examples/scene/activity5.png b/examples/scene/activity5.png
deleted file mode 100644
index 7f8c72a..0000000
--- a/examples/scene/activity5.png
+++ /dev/null
Binary files differ
diff --git a/examples/scene/background.png b/examples/scene/background.png
deleted file mode 100644
index 346b5dc..0000000
--- a/examples/scene/background.png
+++ /dev/null
Binary files differ
diff --git a/examples/scene/scene.py b/examples/scene/scene.py
deleted file mode 100755
index 4d5942d..0000000
--- a/examples/scene/scene.py
+++ /dev/null
@@ -1,61 +0,0 @@
-#!/usr/bin/python
-import math
-
-import pygtk
-pygtk.require('2.0')
-import gtk
-
-from sugar.scene.Stage import Stage
-from sugar.scene.Group import Group
-from sugar.scene.SceneView import SceneView
-from sugar.scene.PixbufActor import PixbufActor
-from sugar.scene.CircleLayout import CircleLayout
-from sugar.scene.Timeline import Timeline
-
-def __next_frame_cb(timeline, frame_num, group):
-	angle = math.pi * 2 * frame_num / timeline.get_n_frames()
-	group.get_layout().set_angle(angle)
-	group.do_layout()
-
-def __completed_cb(timeline, group):
-	group.get_layout().set_angle(0)
-	group.do_layout()
-
-stage = Stage()
-
-pixbuf = gtk.gdk.pixbuf_new_from_file('background.png')
-stage.add(PixbufActor(pixbuf))
-
-icons_group = Group()
-icons_group.set_position(100, 100)
-
-i = 1
-while i <= 5:
-	pixbuf = gtk.gdk.pixbuf_new_from_file('activity%d.png' % i)
-	icons_group.add(PixbufActor(pixbuf))
-	i += 1
-
-layout = CircleLayout(100)
-icons_group.set_layout(layout)
-
-stage.add(icons_group)
-
-window = gtk.Window()
-window.set_default_size(640, 480)
-
-view = SceneView(stage)
-window.add(view)
-view.show()
-
-button = gtk.Button('Hello')
-view.put(button, 10, 10)
-button.show()
-
-window.show()
-
-timeline = Timeline(stage, 200)
-timeline.connect('next-frame', __next_frame_cb, icons_group)
-timeline.connect('completed', __completed_cb, icons_group)
-timeline.start()
-
-gtk.main()
diff --git a/shell/HomeWindow2.py b/shell/HomeWindow2.py
deleted file mode 100644
index e04afe8..0000000
--- a/shell/HomeWindow2.py
+++ /dev/null
@@ -1,80 +0,0 @@
-import gtk
-
-from sugar.scene.Stage import Stage
-from sugar.scene.StageView import StageView
-from sugar.scene.PixbufActor import PixbufActor
-from sugar.scene.CircleLayout import CircleLayout
-from sugar.scene.Group import Group
-from sugar.activity import Activity
-from sugar import env
-
-class ActivityLauncher(gtk.HButtonBox):
-	def __init__(self, shell):
-		gtk.HButtonBox.__init__(self)
-
-		self._shell = shell
-
-		for module in shell.get_registry().list_activities():
-			if module.get_show_launcher():
-				self._add_activity(module)
-
-	def _add_activity(self, module):
-		button = gtk.Button(module.get_name())
-		activity_id = module.get_id()
-		button.connect('clicked', self.__clicked_cb, activity_id)
-		self.pack_start(button)
-		button.show()
-
-	def __clicked_cb(self, button, activity_id):
-		Activity.create(activity_id)
-
-class HomeScene(StageView):
-	def __init__(self, shell):
-		self._stage = self._create_stage()
-		StageView.__init__(self, self._stage)
-		self._shell = shell
-
-		launcher = ActivityLauncher(shell)
-		self.put(launcher, 10, 440)
-		launcher.show()
-
-	def _create_stage(self):
-		stage = Stage()
-
-		background = env.get_data_file('home-background.png')
-		pixbuf = gtk.gdk.pixbuf_new_from_file(background)
-		stage.add(PixbufActor(pixbuf))
-
-		icons_group = Group()
-		icons_group.set_position(310, 80)
-
-		pholder = env.get_data_file('activity-placeholder.png')
-		pholder_pixbuf = gtk.gdk.pixbuf_new_from_file(pholder)
-
-		i = 0
-		while i < 7:
-			icons_group.add(PixbufActor(pholder_pixbuf))
-			i += 1
-
-		layout = CircleLayout(110)
-		icons_group.set_layout(layout)
-
-		stage.add(icons_group)
-
-		return stage
-
-class HomeWindow(gtk.Window):
-	def __init__(self, shell):
-		gtk.Window.__init__(self)
-
-		self.connect('realize', self.__realize_cb)
-
-		fixed = gtk.Fixed()
-
-		scene = HomeScene(shell)
-		scene.set_size_request(640, 480)
-		self.add(scene)
-		scene.show()
-
-	def __realize_cb(self, window):
-		self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DESKTOP)
diff --git a/sugar/scene/Actor.py b/sugar/scene/Actor.py
deleted file mode 100644
index a9fd644..0000000
--- a/sugar/scene/Actor.py
+++ /dev/null
@@ -1,55 +0,0 @@
-import gobject
-
-from sugar.scene.Transformation import Transformation
-
-class Actor(gobject.GObject):
-	__gsignals__ = {
-		'changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ())
-	}
-
-	def __init__(self):
-		gobject.GObject.__init__(self)
-
-		self._parent = None
-		self._x = 0
-		self._y = 0
-		self._width = -1
-		self._height = -1
-		self._transf = Transformation()
-
-	def set_position(self, x, y):
-		self._x = x
-		self._y = y
-		self.notify_changed()
-
-	def _get_parents(self):
-		parents = []
-		parent = self._parent
-		while parent:
-			parents.insert(0, parent)
-			parent = parent._parent
-		return parents
-
-	def _get_abs_position(self, x, y):
-		transf = None
-		parents = self._get_parents()
-		for actor in parents:
-			if transf:
-				transf = transf.compose(actor._transf)
-			else:
-				transf = actor._transf
-		return transf.get_position(x, y)
-
-	def notify_changed(self):
-		if self._parent:
-			self._parent.notify_changed()
-		else:
-			self.emit('changed')
-
-	def set_size(self, width, height):
-		self._width = width
-		self._height = height
-		self.notify_changed()
-
-	def render(self, drawable):
-		pass
diff --git a/sugar/scene/CircleLayout.py b/sugar/scene/CircleLayout.py
deleted file mode 100644
index 545b997..0000000
--- a/sugar/scene/CircleLayout.py
+++ /dev/null
@@ -1,25 +0,0 @@
-import math
-
-from sugar.scene.LayoutManager import LayoutManager
-
-class CircleLayout(LayoutManager):
-	def __init__(self, radius):
-		LayoutManager.__init__(self)
-
-		self._radius = radius
-		self._angle = 0
-
-	def set_angle(self, angle):
-		self._angle = angle
-
-	def layout_group(self, group):
-		step = 2 * math.pi / len(group.get_actors())
-		angle = self._angle
-		for actor in group.get_actors():
-			self._update_position(actor, angle)
-			angle += step
-
-	def _update_position(self, actor, angle):
-		x = math.cos(angle) * self._radius + self._radius
-		y = math.sin(angle) * self._radius + self._radius
-		actor.set_position(int(x + 0.5), int(y + 0.5))
diff --git a/sugar/scene/Group.py b/sugar/scene/Group.py
deleted file mode 100644
index df77794..0000000
--- a/sugar/scene/Group.py
+++ /dev/null
@@ -1,39 +0,0 @@
-from sugar.scene.Actor import Actor
-
-class Group(Actor):
-	def __init__(self):
-		Actor.__init__(self)
-
-		self._actors = []
-		self._layout = None
-
-	def set_position(self, x, y):
-		Actor.set_position(self, x, y)
-		self._transf.set_translation(x, y)
-
-	def add(self, actor):
-		actor._parent = self
-		self._actors.append(actor)
-		self.do_layout()
-
-	def remove(self, actor):
-		self._actors.remove(actor)
-		self.do_layout()
-
-	def get_actors(self):
-		return self._actors
-
-	def set_layout(self, layout):
-		self._layout = layout
-		self.do_layout()
-
-	def get_layout(self):
-		return self._layout
-
-	def do_layout(self):
-		if self._layout:
-			self._layout.layout_group(self)
-
-	def render(self, drawable):
-		for actor in self._actors:
-			actor.render(drawable)
diff --git a/sugar/scene/LayoutManager.py b/sugar/scene/LayoutManager.py
deleted file mode 100644
index c7ada5a..0000000
--- a/sugar/scene/LayoutManager.py
+++ /dev/null
@@ -1,7 +0,0 @@
-class LayoutManager:
-	def __init__(self):
-		pass
-
-	def layout_group(self, group):
-		pass
-
diff --git a/sugar/scene/PixbufActor.py b/sugar/scene/PixbufActor.py
deleted file mode 100644
index 7c5d6c6..0000000
--- a/sugar/scene/PixbufActor.py
+++ /dev/null
@@ -1,14 +0,0 @@
-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):
-		(x, y) = self._get_abs_position(self._x, self._y)
-		gc = gtk.gdk.GC(drawable)
-		drawable.draw_pixbuf(gc, self._pixbuf, 0, 0, x, y)
diff --git a/sugar/scene/SceneView.py b/sugar/scene/SceneView.py
deleted file mode 100644
index c534325..0000000
--- a/sugar/scene/SceneView.py
+++ /dev/null
@@ -1,16 +0,0 @@
-import gtk
-
-class SceneView(gtk.Fixed):
-	def __init__(self, stage):
-		gtk.Fixed.__init__(self)
-		self.set_has_window(True)
-		self.connect('expose-event', self.__expose_cb)
-
-		self._stage = stage
-		stage.connect('changed', self.__stage_changed_cb)
-
-	def __expose_cb(self, widget, event):
-		self._stage.render(widget.window)
-
-	def __stage_changed_cb(self, stage):
-		self.window.invalidate_rect(None, False)
diff --git a/sugar/scene/Stage.py b/sugar/scene/Stage.py
deleted file mode 100644
index e14a889..0000000
--- a/sugar/scene/Stage.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from sugar.scene.Group import Group
-
-class Stage(Group):
-	def __init__(self):
-		Group.__init__(self)
-		self._fps = 50
-
-	def get_fps(self):
-		return self._fps
-
-	def render(self, drawable):
-		Group.render(self, drawable)
diff --git a/sugar/scene/StageView.py b/sugar/scene/StageView.py
deleted file mode 100644
index ed4d424..0000000
--- a/sugar/scene/StageView.py
+++ /dev/null
@@ -1,22 +0,0 @@
-import gtk
-
-from sugar.scene.Stage import Stage
-
-class StageView(gtk.Fixed):
-	def __init__(self, stage):
-		gtk.Fixed.__init__(self)
-		self.set_has_window(True)
-
-		self._stage = stage
-		self._stage.connect('changed', self.__stage_changed_cb)
-		self.connect('expose_event', self.__expose_cb)
-
-	def __stage_changed_cb(self, stage):
-		if self.window:
-			self.window.invalidate_rect(None, False)
-
-	def __expose_cb(self, widget, event):
-		self._stage.render(widget.window)
-
-	def get_stage(self):
-		return self._stage
diff --git a/sugar/scene/Timeline.py b/sugar/scene/Timeline.py
deleted file mode 100644
index 5f1ac5f..0000000
--- a/sugar/scene/Timeline.py
+++ /dev/null
@@ -1,33 +0,0 @@
-import gobject
-
-class Timeline(gobject.GObject):
-	__gsignals__ = {
-		'next-frame':   (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([int])),
-		'completed':   (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
-	}
-
-	def __init__(self, stage, n_frames):
-		gobject.GObject.__init__(self)
-
-		self._stage = stage
-		self._fps = stage.get_fps()
-		self._n_frames = n_frames
-		self._current_frame = 0
-
-	def start(self):
-		gobject.timeout_add(1000 / self._fps, self.__timeout_cb)
-
-	def get_n_frames(self):
-		return self._n_frames
-
-	def __timeout_cb(self):
-		self.emit('next-frame', self._current_frame)
-
-		# FIXME skip frames if necessary
-		self._current_frame += 1
-
-		if self._current_frame < self._n_frames:
-			return True
-		else:
-			self.emit('completed')
-			return False
diff --git a/sugar/scene/Transformation.py b/sugar/scene/Transformation.py
deleted file mode 100644
index b5ab142..0000000
--- a/sugar/scene/Transformation.py
+++ /dev/null
@@ -1,21 +0,0 @@
-import copy
-
-class Transformation:
-	def __init__(self):
-		self._translation_x = 0
-		self._translation_y = 0
-
-	def set_translation(self, x, y):
-		self._translation_x = x
-		self._translation_y = y
-
-	def get_position(self, x, y):
-		translated_x = x + self._translation_x
-		translated_y = y + self._translation_y
-		return (translated_x, translated_y)
-
-	def compose(self, transf):
-		composed = copy.copy(self)
-		composed._translation_x += transf._translation_x
-		composed._translation_y += transf._translation_y
-		return composed
diff --git a/sugar/scene/__init__.py b/sugar/scene/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/sugar/scene/__init__.py
+++ /dev/null
--
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