www.pudn.com > 10040637740.zip > wxPython-2424.throbber.patch

--- throbber.py	Fri Jul 18 17:59:00 2003 
+++ throbber.py.new	Sat May  8 01:19:13 2004 
@@ -52,10 +52,14 @@ 
                  frameWidth = 0,  # width of each frame (only necessary for composite image) 
                  label = None,    # optional text to be displayed 
                  overlay = None,  # optional image to overlay on animation 
-                 reverse = 0,     # reverse direction at end of animation 
+                 reverse = 0,     # reverse direction at end of animation                  
                  style = 0,       # window style 
+                 useParentBackground = False, # shall parent background be used 
+                                  # when drawing transparent bitmap  
                  name = "throbber"): 
         wx.Panel.__init__(self, parent, id, pos, size, style, name) 
+        self.useParentBackground = useParentBackground 
+        self.savedBackground = None 
         self.name = name 
         self.label = label 
         self.running = (1 != 1) 
@@ -133,8 +137,39 @@ 
         event.Skip() 
  
  
-    def Draw(self, dc): 
-        dc.DrawBitmap(self.submaps[self.sequence[self.current]], 0, 0, True) 
+    def SaveBackground(self): 
+        self.savedBackground = wx.EmptyBitmap(self.width, self.height) 
+        memDC = wx.MemoryDC() 
+        memDC.SelectObject(self.savedBackground) 
+        try: 
+            parent = self.GetParent() 
+        except: 
+            parent = None 
+ 
+        if self.useParentBackground and (parent is not None):           
+            dc = wx.ClientDC(parent); 
+            pt = wx.Point(0, 0); 
+            screenPt = self.ClientToScreen(pt); 
+            parentPt = parent.ScreenToClient(screenPt); 
+            memDC.Blit(0, 0, self.width, self.height, dc, parentPt.x, parentPt.y); 
+        else: 
+            dc = wx.ClientDC(self) 
+            memDC.Blit(0, 0, self.width, self.height, dc, 0, 0);     
+             
+        memDC.SelectObject(wx.NullBitmap); 
+ 
+         
+    def Draw(self, dc):            
+        if self.savedBackground is None: 
+            self.SaveBackground()             
+        bmp = wx.EmptyBitmap(self.width,self.height)    
+        memDC = wx.MemoryDC() 
+        memDC.SelectObject(bmp) 
+        memDC.DrawBitmap(self.savedBackground, 0, 0) 
+        memDC.DrawBitmap(self.submaps[self.sequence[self.current]], 0, 0, True) 
+        memDC.SelectObject(wx.NullBitmap) 
+            
+        dc.DrawBitmap(bmp, 0, 0, False) 
         if self.overlay and self.showOverlay: 
             dc.DrawBitmap(self.overlay, self.overlayX, self.overlayY, True) 
         if self.label and self.showLabel: 
@@ -193,8 +228,9 @@ 
     def Start(self): 
         """Start the animation""" 
         if not self.running: 
+            self.SaveBackground() 
             self.running = not self.running 
-            self.timer.Start(self.frameDelay * 1000) 
+            self.timer.Start(int(self.frameDelay * 1000)) 
  
  
     def Stop(self):