Improved zoom model

shell/home/FriendsGroup.py

@@ -8,15 +8,18 @@ import Theme
 class FriendIcon(IconItem):
 	def __init__(self, friend):
 		IconItem.__init__(self, icon_name='stock-buddy',
-						  color=friend.get_color(), size=48,
+						  color=friend.get_color(), size=96,
-						  x=random.random() * 1100,
+						  x=random.random() * 2400,
-						  y=random.random() * 800)
+						  y=random.random() * 1800)
 		self._friend = friend
 
 	def get_friend(self):
 		return self._friend
 
 class FriendsGroup(goocanvas.Group):
+	WIDTH = 1200.0 * 1.9
+	HEIGHT = 900.0 * 1.9
+
 	def __init__(self, data_model):
 		goocanvas.Group.__init__(self)
 		self._friend_to_child = {}
@@ -24,13 +27,9 @@ class FriendsGroup(goocanvas.Group):
 		self._theme = Theme.get_instance()
 		self._theme.connect("theme-changed", self.__theme_changed_cb)
 
-		color = self._theme.get_home_mesh_color()
-		self._mesh_rect = goocanvas.Rect(width=1200, height=900,
-									     line_width=0, fill_color=color)
-		self.add_child(self._mesh_rect)
-
 		color = self._theme.get_home_friends_color()
-		self._friends_rect = goocanvas.Rect(x=50, y=50, width=1100, height=800,
+		self._friends_rect = goocanvas.Rect(width=FriendsGroup.WIDTH,
+											height=FriendsGroup.HEIGHT,
 											line_width=0, fill_color=color,
 											radius_x=30, radius_y=30)
 		self.add_child(self._friends_rect)
@@ -44,8 +43,6 @@ class FriendsGroup(goocanvas.Group):
 	def __theme_changed_cb(self, theme):
 		color = self._theme.get_home_friends_color()
 		self._friends_rect.set_property("fill-color", color)
-		color = self._theme.get_home_mesh_color()
-		self._mesh_rect.set_property("fill-color", color)
 
 	def add_friend(self, friend):
 		icon = FriendIcon(friend)

shell/home/HomeGroup.py

@@ -45,32 +45,23 @@ class TasksItem(DonutItem):
 class Background(goocanvas.Group):
 	def __init__(self):
 		goocanvas.Group.__init__(self)
-		self._theme = Theme.get_instance()
-		self._theme.connect("theme-changed", self.__theme_changed_cb)
-
-		color = self._theme.get_home_friends_color()
-		self._friends_rect = goocanvas.Rect(width=1200, height=900,
-										    line_width=0, fill_color=color)
-		self.add_child(self._friends_rect)
-
-		color = self._theme.get_home_activities_color()
-		self._home_rect = goocanvas.Rect(x=50, y=50, width=1100, height=800,
-										 line_width=0, fill_color=color,
-										 radius_x=30, radius_y=30)
-		self.add_child(self._home_rect)
-
-	def __theme_changed_cb(self, theme):
-		color = self._theme.get_home_activities_color()
-		self._home_rect.set_property("fill-color", color)
-		color = self._theme.get_home_friends_color()
-		self._friends_rect.set_property("fill-color", color)
 
 class HomeGroup(goocanvas.Group):
+	WIDTH = 1200.0
+	HEIGHT = 900.0
+
 	def __init__(self, shell):
 		goocanvas.Group.__init__(self)
 
-		background = Background()
+		self._theme = Theme.get_instance()
-		self.add_child(background)
+		self._theme.connect("theme-changed", self.__theme_changed_cb)
+
+		color = self._theme.get_home_activities_color()
+		self._home_rect = goocanvas.Rect(width=HomeGroup.WIDTH,
+										 height=HomeGroup.HEIGHT,
+										 line_width=0, fill_color=color,
+										 radius_x=30, radius_y=30)
+		self.add_child(self._home_rect)
 
 		tasks = TasksItem(shell)
 		tasks.translate(600, 450)
@@ -83,6 +74,17 @@ class HomeGroup(goocanvas.Group):
 					 450 - (me.get_property('height') / 2))
 		self.add_child(me)
 
+	def get_width(self):
+		return 1200.0 * 1.8
+
+	def get_height(self):
+		return 900.0 * 1.8
+
+	def __theme_changed_cb(self, theme):
+		color = self._theme.get_home_activities_color()
+		self._home_rect.set_property("fill-color", color)
+
+
 #	def __item_view_created_cb(self, view, item_view, item):
 #		if isinstance(item, PieceItem) or \
 #		   isinstance(item, PieceIcon):

shell/home/HomeWindow.py

@@ -8,11 +8,11 @@ from home.FriendsGroup import FriendsGroup
 import sugar
 
 class HomeWindow(gtk.Window):
-	CANVAS_WIDTH = 1200
-	CANVAS_HEIGHT = 900
 	def __init__(self, shell):
 		gtk.Window.__init__(self)
 		self._shell = shell
+		self._width = MeshGroup.WIDTH
+		self._height = MeshGroup.HEIGHT
 
 		self.realize()
 		self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_DESKTOP)
@@ -27,40 +27,35 @@ class HomeWindow(gtk.Window):
 
 		data_model = model.get_friends()
 		self._friends_group = FriendsGroup(data_model)
+		self._friends_group.translate((self._width - FriendsGroup.WIDTH) / 2,
+									  (self._height - FriendsGroup.HEIGHT) / 2)
 		root.add_child(self._friends_group)
 
 		self._home_group = HomeGroup(self._shell)
+		self._home_group.translate((self._width - HomeGroup.WIDTH) / 2,
+								   (self._height - HomeGroup.HEIGHT) / 2)
 		root.add_child(self._home_group)
 
-		canvas = goocanvas.CanvasView()
+		self._canvas = goocanvas.CanvasView()
-		canvas.set_bounds(0, 0, HomeWindow.CANVAS_WIDTH,
+		self._canvas.set_size_request(gtk.gdk.screen_width(),
-						  HomeWindow.CANVAS_HEIGHT)
-		canvas.set_scale(float(gtk.gdk.screen_width()) /
-						 float(HomeWindow.CANVAS_WIDTH))
-		canvas.set_size_request(gtk.gdk.screen_width(),
 									  gtk.gdk.screen_height())
-		canvas.set_model(self._model)
+		self._canvas.set_model(self._model)
 
-		self.add(canvas)
+		self.add(self._canvas)
-		canvas.show()
+		self._canvas.show()
-
-	def _set_group_scale(self, group, d):
-		x = HomeWindow.CANVAS_WIDTH  * (1 - d) / 2
-		y = HomeWindow.CANVAS_HEIGHT * (1 - d) / 2
-
-		matrix = cairo.Matrix(1, 0, 0, 1, 0, 0)
-		matrix.translate(x, y)
-		matrix.scale(d, d)
-
-		group.set_transform(matrix)
 
 	def set_zoom_level(self, level):
 		if level == sugar.ZOOM_HOME:
-			self._set_group_scale(self._home_group, 1.0)
+			width = HomeGroup.WIDTH * 1.1
+			height = HomeGroup.HEIGHT * 1.1
 		elif level == sugar.ZOOM_FRIENDS:
-			self._set_group_scale(self._home_group, 0.5)
+			width = FriendsGroup.WIDTH * 1.1
-			self._set_group_scale(self._friends_group, 1.0)
+			height = FriendsGroup.HEIGHT * 1.1
 		elif level == sugar.ZOOM_MESH:
-			self._set_group_scale(self._home_group, 0.2)
+			width = MeshGroup.WIDTH
-			self._set_group_scale(self._friends_group, 0.4)
+			height = MeshGroup.HEIGHT
-			self._set_group_scale(self._mesh_group, 1.0)
+
+		self._canvas.set_bounds((self._width - width) / 2,
+								(self._height - height) / 2,
+								width, height)
+		self._canvas.set_scale(gtk.gdk.screen_width() / width)

shell/home/MeshGroup.py

@@ -15,7 +15,7 @@ class ActivityItem(IconItem):
 		icon_name = info.get_icon()
 
 		IconItem.__init__(self, icon_name=icon_name,
-						  color=activity.get_color(), size=48)
+						  color=activity.get_color(), size=144)
 
 		self._activity = activity
 
@@ -23,13 +23,17 @@ class ActivityItem(IconItem):
 		return self._activity.get_service()
 
 class MeshGroup(goocanvas.Group):
+	WIDTH = 1200.0 * 3.5
+	HEIGHT = 900.0 * 3.5
+
 	def __init__(self, data_model):
 		goocanvas.Group.__init__(self)
 		self._theme = Theme.get_instance()
 		self._theme.connect("theme-changed", self.__theme_changed_cb)
 
 		color = self._theme.get_home_mesh_color()
-		self._mesh_rect = goocanvas.Rect(width=1200, height=900,
+		self._mesh_rect = goocanvas.Rect(width=MeshGroup.WIDTH,
+										 height=MeshGroup.HEIGHT,
 										 fill_color=color)
 		self.add_child(self._mesh_rect)