X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9c67cbec021bf8d96c428b9f376b08a851c0864b..71aba8333cc915afff9e740c944f7fa7247abacb:/wxPython/demo/MDIDemo.py

diff --git a/wxPython/demo/MDIDemo.py b/wxPython/demo/MDIDemo.py
index 5670f9377c..c5298129c1 100644
--- a/wxPython/demo/MDIDemo.py
+++ b/wxPython/demo/MDIDemo.py
@@ -3,6 +3,9 @@
 from wxPython.wx import *
 from wxScrolledWindow import MyCanvas
 
+import images
+SHOW_BACKGROUND = 1
+
 #----------------------------------------------------------------------
 
 class MyParentFrame(wxMDIParentFrame):
@@ -24,16 +27,38 @@ class MyParentFrame(wxMDIParentFrame):
         EVT_MENU(self, 5000, self.OnNewWindow)
         EVT_MENU(self, 5001, self.OnExit)
 
+        if SHOW_BACKGROUND:
+            self.bg_bmp = images.getGridBGBitmap()
+            EVT_ERASE_BACKGROUND(self.GetClientWindow(), self.OnEraseBackground)
+
 
     def OnExit(self, evt):
-        self.Close(true)
+        self.Close(True)
 
 
     def OnNewWindow(self, evt):
         self.winCount = self.winCount + 1
         win = wxMDIChildFrame(self, -1, "Child Window: %d" % self.winCount)
         canvas = MyCanvas(win)
-        win.Show(true)
+        win.Show(True)
+
+
+    def OnEraseBackground(self, evt):
+        dc = evt.GetDC()
+        if not dc:
+            dc = wxClientDC(self.GetClientWindow())
+
+        # tile the background bitmap
+        sz = self.GetClientSize()
+        w = self.bg_bmp.GetWidth()
+        h = self.bg_bmp.GetHeight()
+        x = 0
+        while x < sz.width:
+            y = 0
+            while y < sz.height:
+                dc.DrawBitmap(self.bg_bmp, x, y)
+                y = y + h
+            x = x + w
 
 
 #----------------------------------------------------------------------
@@ -41,10 +66,11 @@ class MyParentFrame(wxMDIParentFrame):
 if __name__ == '__main__':
     class MyApp(wxApp):
         def OnInit(self):
+            wxInitAllImageHandlers()
             frame = MyParentFrame()
-            frame.Show(true)
+            frame.Show(True)
             self.SetTopWindow(frame)
-            return true
+            return True
 
 
     app = MyApp(0)