From 5e351e9103bf53e0efc22d6e292d2ff2a5f37127 Mon Sep 17 00:00:00 2001
From: mike <michael.jmontcalm@gmail.com>
Date: Sat, 05 Dec 2009 22:21:27 +0000
Subject: Changed the DragWrapper behavior to use drag-begin, drag-end and the icon change to implement a move on the overlayer.  However, on the regular overlayer, drag-end signal is never emitted

Conflicts:

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

diff --git a/tutorius/overlayer.py b/tutorius/overlayer.py
index 9e4adbf..fcb6974 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()
@@ -70,6 +71,13 @@ class Overlayer(gtk.Layout):
 
         self.__render_handle = None
 
+        # Allow drag and drop
+        self.drag_dest_set(gtk.DEST_DEFAULT_MOTION |
+                           gtk.DEST_DEFAULT_HIGHLIGHT |
+                           gtk.DEST_DEFAULT_DROP,
+                           [ ( WIDGET_ID, 0, TARGET_TYPE_WIDGET ) ],
+                           gtk.gdk.ACTION_MOVE)
+
     def put(self, child, x, y):
         """
         Adds a child widget to be overlayed. This can be, overlay widgets or
@@ -149,8 +157,63 @@ class Overlayer(gtk.Layout):
         # Since widget is laid out in a Layout box, the Layout will honor the
         # requested size. Using size_allocate could make a nasty nested loop in
         # some cases.
-        if self._overlayed:
-            self._overlayed.set_size_request(allocation.width, allocation.height)
+        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()
+
+        self._overlayer.drag_dest_set(gtk.DEST_DEFAULT_MOTION |
+                                  gtk.DEST_DEFAULT_HIGHLIGHT |
+                                  gtk.DEST_DEFAULT_DROP,
+                                  [ ( WIDGET_ID, 0, TARGET_TYPE_WIDGET ) ],
+                                  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):
     """
@@ -424,13 +487,20 @@ class TextBubbleWImg(gtk.Widget):
         #ct = cairo.Context(surface)
         
         # paint image
+        img_upper_left_x = int((self.allocation.width-self.imgsize[0])/2)
+        img_upper_left_y = int(self.line_width+self.padding/2)
         context.set_source_pixbuf(
             self.pixbuf,
-            int((self.allocation.width-self.imgsize[0])/2),
-            int(self.line_width+self.padding/2))
+            img_upper_left_x,
+            img_upper_left_y)
 
+        # Set a rectangle
+        context.rectangle(img_upper_left_x, img_upper_left_y,
+                          self.imgsize[0], self.imgsize[1])
+        context.clip()
         context.paint()
-        
+        context.reset_clip()
+  
         # work done. Be kind to next cairo widgets and reset matrix.
         context.identity_matrix()
 
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