wxPython/demo/MDIDemo.py

   1 #!/usr/bin/env python
   2
   3 from wxPython.wx import *
   4 from wxScrolledWindow import MyCanvas
   5
   6 import images
   7 SHOW_BACKGROUND = 1
   8
   9 #----------------------------------------------------------------------
  10
  11 class MyParentFrame(wxMDIParentFrame):
  12     def __init__(self):
  13         wxMDIParentFrame.__init__(self, None, -1, "MDI Parent", size=(600,400))
  14
  15         self.winCount = 0
  16         menu = wxMenu()
  17         menu.Append(5000, "&New Window")
  18         menu.AppendSeparator()
  19         menu.Append(5001, "E&xit")
  20
  21         menubar = wxMenuBar()
  22         menubar.Append(menu, "&File")
  23         self.SetMenuBar(menubar)
  24
  25         self.CreateStatusBar()
  26
  27         EVT_MENU(self, 5000, self.OnNewWindow)
  28         EVT_MENU(self, 5001, self.OnExit)
  29
  30         if SHOW_BACKGROUND:
  31             self.bg_bmp = images.getGridBGBitmap()
  32             EVT_ERASE_BACKGROUND(self.GetClientWindow(), self.OnEraseBackground)
  33
  34
  35     def OnExit(self, evt):
  36         self.Close(True)
  37
  38
  39     def OnNewWindow(self, evt):
  40         self.winCount = self.winCount + 1
  41         win = wxMDIChildFrame(self, -1, "Child Window: %d" % self.winCount)
  42         canvas = MyCanvas(win)
  43         win.Show(True)
  44
  45
  46     def OnEraseBackground(self, evt):
  47         dc = evt.GetDC()
  48         if not dc:
  49             dc = wxClientDC(self.GetClientWindow())
  50
  51         # tile the background bitmap
  52         sz = self.GetClientSize()
  53         w = self.bg_bmp.GetWidth()
  54         h = self.bg_bmp.GetHeight()
  55         x = 0
  56         while x < sz.width:
  57             y = 0
  58             while y < sz.height:
  59                 dc.DrawBitmap(self.bg_bmp, x, y)
  60                 y = y + h
  61             x = x + w
  62
  63
  64 #----------------------------------------------------------------------
  65
  66 if __name__ == '__main__':
  67     class MyApp(wxApp):
  68         def OnInit(self):
  69             wxInitAllImageHandlers()
  70             frame = MyParentFrame()
  71             frame.Show(True)
  72             self.SetTopWindow(frame)
  73             return True
  74
  75
  76     app = MyApp(0)
  77     app.MainLoop()
  78
  79
  80