From c5b1fdddf6ca68d3174eb02eccce1f7d7725d815 Mon Sep 17 00:00:00 2001
From: erick <erick@sugar-dev-erick.(none)>
Date: Wed, 02 Dec 2009 06:06:20 +0000
Subject: Added a special overlayer for displaying on the frame

---
(limited to 'tutorius/overlayer.py')

diff --git a/tutorius/overlayer.py b/tutorius/overlayer.py
index 216d71a..ef6fed5 100644
--- a/tutorius/overlayer.py
+++ b/tutorius/overlayer.py
@@ -25,6 +25,7 @@ import pangocairo
 from math import pi
 
 from sugar import profile
+from .constants import *
 
 # for easy profile access from cairo
 color = profile.get_color().get_stroke_color()
@@ -152,6 +153,61 @@ class Overlayer(gtk.Layout):
         self._overlayed.set_size_request(allocation.width, allocation.height)
 
 
+class FrameOverlayer(gtk.Window):
+    def __init__(self):
+        gtk.Window.__init__(self)
+        self._vbox = gtk.VBox()
+        self._overlayer = Overlayer(self._vbox)
+        self.add(self._overlayer)
+        self._vbox.show()
+        self._overlayer.show()
+        self.show_all()
+
+        toCanvas = [ ( WIDGET_ID, 0, TARGET_TYPE_WIDGET ) ]
+        self._overlayer.drag_dest_set(gtk.DEST_DEFAULT_MOTION |
+                                  gtk.DEST_DEFAULT_HIGHLIGHT |
+                                  gtk.DEST_DEFAULT_DROP,
+                                  toCanvas, gtk.gdk.ACTION_MOVE)
+
+        self._widgets = []
+
+
+    def show(self):
+        self.set_decorated(False) # Remove borders and title bar
+        self.set_keep_above(True) # Always on top
+        self.fullscreen() # Cover the entire screen
+
+        gtk.Window.show(self)
+        self.expose = self.connect("expose-event", self.apply_mask)
+
+    def apply_mask(self,*args):
+        self.px = gtk.gdk.Pixmap(None, 1173, 800, 1) # source, size, colors
+        self.cr = self.px.cairo_create()
+        self.cr.set_operator(cairo.OPERATOR_CLEAR)
+        self.cr.paint()
+        self.cr.set_source_rgb(1,1,1)
+        self.cr.set_operator(cairo.OPERATOR_SOURCE)
+ 
+        for widget in self._widgets:
+            widget.draw_with_context(self.cr)
+        self.shape_combine_mask(self.px, 0, 0) # pixmap, offset
+
+    def put(self,widget, offset_x, offset_y):
+        self._widgets.append(widget)
+        widget.show()
+        self._overlayer.put(widget, offset_x, offset_y)
+        self._overlayer.queue_draw()
+
+    def move(self, widget, x, y):
+        self._overlayer.move(widget,x,y)
+
+    def remove(self, widget):
+        self._widgets.remove(widget)
+        self._overlayer.remove(widget)
+
+    def queue_draw(self):
+        self._overlayer.queue_draw()
+
 class TextBubble(gtk.Widget):
     """
     A CanvasDrawableWidget drawing a round textbox and a tail pointing
--
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