wxPython/demo/BitmapButton.py

   1
   2 import  wx
   3 import  images
   4
   5 #----------------------------------------------------------------------
   6
   7 class TestPanel(wx.Panel):
   8     def __init__(self, parent, log):
   9         wx.Panel.__init__(self, parent, -1,
  10                          style=wx.NO_FULL_REPAINT_ON_RESIZE)
  11         self.log = log
  12
  13         if 0:  # a test case for catching wx.PyAssertionError
  14
  15             #wx.GetApp().SetAssertMode(wx.PYAPP_ASSERT_SUPPRESS)
  16             #wx.GetApp().SetAssertMode(wx.PYAPP_ASSERT_EXCEPTION)
  17             #wx.GetApp().SetAssertMode(wx.PYAPP_ASSERT_DIALOG)
  18             #wx.GetApp().SetAssertMode(wx.PYAPP_ASSERT_EXCEPTION | wx.PYAPP_ASSERT_DIALOG)
  19
  20             try:
  21                 bmp = wx.Bitmap("nosuchfile.bmp", wx.BITMAP_TYPE_BMP)
  22                 mask = wx.MaskColour(bmp, wx.BLUE)
  23             except wx.PyAssertionError:
  24                 self.log.write("Caught wx.PyAssertionError!  I will fix the problem.\n")
  25                 bmp = images.getTest2Bitmap()
  26                 mask = wx.MaskColour(bmp, wx.BLUE)
  27         else:
  28             bmp = images.getTest2Bitmap()
  29             mask = wx.MaskColour(bmp, wx.BLUE)
  30
  31         bmp.SetMask(mask)
  32         b = wx.BitmapButton(self, 30, bmp, (20, 20),
  33                        (bmp.GetWidth()+10, bmp.GetHeight()+10))
  34         b.SetToolTipString("This is a bitmap button.")
  35         self.Bind(wx.EVT_BUTTON, self.OnClick, b)
  36
  37
  38     def OnClick(self, event):
  39         self.log.write("Click! (%d)\n" % event.GetId())
  40
  41
  42 #----------------------------------------------------------------------
  43
  44 def runTest(frame, nb, log):
  45     win = TestPanel(nb, log)
  46     return win
  47
  48 #----------------------------------------------------------------------
  49
  50
  51 overview = """<html><body>
  52 <h2>BitmapButton</h2>
  53
  54 <p>A BitmapButton control displays a bitmap. It can have a separate bitmap for each button state: normal, selected, disabled.</p>
  55
  56 <p>The bitmaps to be displayed should have a small number of colours, such as 16,
  57 to avoid palette problems.</p>
  58
  59 <p>A bitmap can be derived from most image formats using the wx.Image class.</p>
  60
  61 </body></html>
  62 """
  63
  64
  65
  66 if __name__ == '__main__':
  67     import sys,os
  68     import run
  69     run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
  70