From 5e21c46db8801459a91621e518640b53a7224dbf Mon Sep 17 00:00:00 2001
From: Gonzalo Odiard <godiard@gmail.com>
Date: Tue, 24 Jul 2012 20:56:10 +0000
Subject: Implement undo/redo using cairo

The stored images are pixbuf instead of pixmaps now.
Created two methods _surface_to_pixbuf and _pixbuf_to_context
to copy from/to pixtuf/surfaces because the code was used
in a few places.
enableUndo was renamed to enable_undo too and unneded parameters
removed.

Signed-off-by: Gonzalo Odiard <gonzalo@laptop.org>
---
(limited to 'Desenho.py')

diff --git a/Desenho.py b/Desenho.py
index 7917a55..c67c532 100644
--- a/Desenho.py
+++ b/Desenho.py
@@ -580,7 +580,7 @@ class Desenho:
             except AttributeError:
                 buf.set_text('')
 
-            widget.enableUndo(widget)
+            widget.enable_undo()
 
             widget.queue_draw()
 
@@ -745,7 +745,7 @@ class Desenho:
             else:
                 self.points.append((widget.oldx, widget.oldy))
                 self.points.append((coords[0], coords[1]))
-            widget.enableUndo(widget, overrite=True)
+            widget.enable_undo(overrite=True)
             widget.last = coords
         elif param == "release":
             if len(self.points) > 2:
@@ -762,7 +762,7 @@ class Desenho:
                     self._draw_polygon(widget, False, fill, self.points)
                     widget.last = []
                     self.points = []
-                    widget.enableUndo(widget, overrite=True)
+                    widget.enable_undo(overrite=True)
                     widget.queue_draw()
                     return
 
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