wxPython/demo/MDIDemo.py

   1 #!/usr/bin/env python
   2
   3 # 11/12/2003 - Jeff Grimmett (grimmtooth@softhome.net)
   4 #
   5 # o Updated for wx namespace
   6 # o Replaced hardcoded menu IDs with dynamic IDs
   7 #
   8
   9 import  wx
  10
  11 # Importing ScrolledWindow demo to make use of the MyCanvas
  12 # class defined within.
  13 import  ScrolledWindow
  14 import  images
  15
  16 SHOW_BACKGROUND = 1
  17
  18 #----------------------------------------------------------------------
  19 ID_New  = wx.NewId()
  20 ID_Exit = wx.NewId()
  21 #----------------------------------------------------------------------
  22
  23 class MyParentFrame(wx.MDIParentFrame):
  24     def __init__(self):
  25         wx.MDIParentFrame.__init__(self, None, -1, "MDI Parent", size=(600,400))
  26
  27         self.winCount = 0
  28         menu = wx.Menu()
  29         menu.Append(ID_New, "&New Window")
  30         menu.AppendSeparator()
  31         menu.Append(ID_Exit, "E&xit")
  32
  33         menubar = wx.MenuBar()
  34         menubar.Append(menu, "&File")
  35         self.SetMenuBar(menubar)
  36
  37         self.CreateStatusBar()
  38
  39         self.Bind(wx.EVT_MENU, self.OnNewWindow, id=ID_New)
  40         self.Bind(wx.EVT_MENU, self.OnExit, id=ID_Exit)
  41
  42         if SHOW_BACKGROUND:
  43             self.bg_bmp = images.getGridBGBitmap()
  44             self.GetClientWindow().Bind(
  45                 wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground
  46                 )
  47
  48
  49     def OnExit(self, evt):
  50         self.Close(True)
  51
  52
  53     def OnNewWindow(self, evt):
  54         self.winCount = self.winCount + 1
  55         win = wx.MDIChildFrame(self, -1, "Child Window: %d" % self.winCount)
  56         canvas = ScrolledWindow.MyCanvas(win)
  57         win.Show(True)
  58
  59
  60     def OnEraseBackground(self, evt):
  61         dc = evt.GetDC()
  62
  63         if not dc:
  64             dc = wx.ClientDC(self.GetClientWindow())
  65
  66         # tile the background bitmap
  67         sz = self.GetClientSize()
  68         w = self.bg_bmp.GetWidth()
  69         h = self.bg_bmp.GetHeight()
  70         x = 0
  71
  72         while x < sz.width:
  73             y = 0
  74
  75             while y < sz.height:
  76                 dc.DrawBitmap(self.bg_bmp, (x, y))
  77                 y = y + h
  78
  79             x = x + w
  80
  81
  82 #----------------------------------------------------------------------
  83
  84 if __name__ == '__main__':
  85     class MyApp(wx.App):
  86         def OnInit(self):
  87             wx.InitAllImageHandlers()
  88             frame = MyParentFrame()
  89             frame.Show(True)
  90             self.SetTopWindow(frame)
  91             return True
  92
  93
  94     app = MyApp(False)
  95     app.MainLoop()
  96
  97
  98