X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6c75a4cf0f94cbe53bfde4fbcddff741158fbc7c..ad8d42f83cdf7a4f26969957e94ed166a1a5710e:/wxPython/demo/DragImage.py

diff --git a/wxPython/demo/DragImage.py b/wxPython/demo/DragImage.py
index c03fd9292c..d0173caf03 100644
--- a/wxPython/demo/DragImage.py
+++ b/wxPython/demo/DragImage.py
@@ -47,6 +47,7 @@ class DragCanvas(wx.ScrolledWindow):
 
         self.SetCursor(wx.StockCursor(wx.CURSOR_ARROW))
         self.bg_bmp = images.getBackgroundBitmap()
+        self.SetBackgroundStyle(wx.BG_STYLE_CUSTOM)
 
         # Make a shape from an image and mask.  This one will demo
         # dragging outside the window
@@ -57,6 +58,11 @@ class DragCanvas(wx.ScrolledWindow):
         shape.fullscreen = True
         self.shapes.append(shape)
 
+        bmp = images.getTheKidBitmap()
+        shape = DragShape(bmp)
+        shape.pos = (200, 5)
+        self.shapes.append(shape)
+
         # Make a shape from some text
         text = "Some Text"
         bg_colour = wx.Colour(57, 115, 57)  # matches the bg image
@@ -83,11 +89,6 @@ class DragCanvas(wx.ScrolledWindow):
         self.shapes.append(shape)
 
 
-        bmp = images.getTheKidBitmap()
-        shape = DragShape(bmp)
-        shape.pos = (200, 5)
-        self.shapes.append(shape)
-
         self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
         self.Bind(wx.EVT_PAINT, self.OnPaint)
         self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
@@ -135,21 +136,13 @@ class DragCanvas(wx.ScrolledWindow):
                 return shape
         return None
 
-    # Remove a shape from the display
-    def EraseShape(self, shape, dc):
-        r = shape.GetRect()
-        dc.SetClippingRect(r)
-        self.TileBackground(dc)
-        self.DrawShapes(dc)
-        dc.DestroyClippingRegion()
 
     # Clears the background, then redraws it. If the DC is passed, then
     # we only do so in the area so designated. Otherwise, it's the whole thing.
     def OnEraseBackground(self, evt):
         dc = evt.GetDC()
-
         if not dc:
-            dc = wxClientDC(self)
+            dc = wx.ClientDC(self)
             rect = self.GetUpdateRegion().GetBox()
             dc.SetClippingRect(rect)
         self.TileBackground(dc)
@@ -184,10 +177,8 @@ class DragCanvas(wx.ScrolledWindow):
         self.dragImage.EndDrag()
         self.dragImage = None
 
-        dc = wx.ClientDC(self)
-
         if self.hiliteShape:
-            self.hiliteShape.Draw(dc)
+            self.RefreshRect(self.hiliteShape.GetRect())
             self.hiliteShape = None
 
         # reposition and draw the shape
@@ -211,9 +202,10 @@ class DragCanvas(wx.ScrolledWindow):
             )
             
         self.dragShape.shown = True
-        self.dragShape.Draw(dc)
+        self.RefreshRect(self.dragShape.GetRect())
         self.dragShape = None
 
+
     # The mouse is moving
     def OnMotion(self, evt):
         # Ignore mouse movement if we're not dragging.
@@ -231,11 +223,11 @@ class DragCanvas(wx.ScrolledWindow):
             if dx <= tolerance and dy <= tolerance:
                 return
 
-            # erase the shape since it will be drawn independently now
-            dc = wx.ClientDC(self)
+            # refresh the area of the window where the shape was so it
+            # will get erased.
             self.dragShape.shown = False
-            self.EraseShape(self.dragShape, dc)
-
+            self.RefreshRect(self.dragShape.GetRect(), True)
+            self.Update()
 
             if self.dragShape.text:
                 self.dragImage = wx.DragString(self.dragShape.text,