wxPython/demo/ShapedWindow.py

   1 # 11/13/2003 - Jeff Grimmett (grimmtooth@softhome.net)
   2 #
   3 # o Updated for wx namespace
   4 #
   5
   6 import  wx
   7 import  images
   8
   9 #----------------------------------------------------------------------
  10
  11 class TestFrame(wx.Frame):
  12     def __init__(self, parent, log):
  13         self.log = log
  14         wx.Frame.__init__(self, parent, -1, "Shaped Window",
  15                          style =
  16                            wx.FRAME_SHAPED
  17                          | wx.SIMPLE_BORDER
  18                          | wx.FRAME_NO_TASKBAR
  19                          | wx.STAY_ON_TOP
  20                          )
  21
  22         self.hasShape = False
  23         self.delta = (0,0)
  24
  25         self.Bind(wx.EVT_LEFT_DCLICK,   self.OnDoubleClick)
  26         self.Bind(wx.EVT_LEFT_DOWN,     self.OnLeftDown)
  27         self.Bind(wx.EVT_LEFT_UP,       self.OnLeftUp)
  28         self.Bind(wx.EVT_MOTION,        self.OnMouseMove)
  29         self.Bind(wx.EVT_RIGHT_UP,      self.OnExit)
  30         self.Bind(wx.EVT_PAINT,         self.OnPaint)
  31
  32         self.bmp = images.getTuxBitmap()
  33         w, h = self.bmp.GetWidth(), self.bmp.GetHeight()
  34         self.SetClientSize( (w, h) )
  35
  36         if wx.Platform != "__WXMAC__":
  37             # wxMac clips the tooltip to the window shape, YUCK!!!
  38             self.SetToolTipString("Right-click to close the window\n"
  39                                   "Double-click the image to set/unset the window shape")
  40
  41         if wx.Platform == "__WXGTK__":
  42             # wxGTK requires that the window be created before you can
  43             # set its shape, so delay the call to SetWindowShape until
  44             # this event.
  45             self.Bind(wx.EVT_WINDOW_CREATE, self.SetWindowShape)
  46         else:
  47             # On wxMSW and wxMac the window has already been created, so go for it.
  48             self.SetWindowShape()
  49
  50         dc = wx.ClientDC(self)
  51         dc.DrawBitmap(self.bmp, (0,0), True)
  52
  53
  54     def SetWindowShape(self, *evt):
  55         # Use the bitmap's mask to determine the region
  56         r = wx.RegionFromBitmap(self.bmp)
  57         self.hasShape = self.SetShape(r)
  58
  59
  60     def OnDoubleClick(self, evt):
  61         if self.hasShape:
  62             self.SetShape(wx.Region())
  63             self.hasShape = False
  64         else:
  65             self.SetWindowShape()
  66
  67
  68     def OnPaint(self, evt):
  69         dc = wx.PaintDC(self)
  70         dc.DrawBitmap(self.bmp, (0,0), True)
  71
  72     def OnExit(self, evt):
  73         self.Close()
  74
  75
  76     def OnLeftDown(self, evt):
  77         self.CaptureMouse()
  78         x, y = self.ClientToScreen(evt.GetPosition())
  79         originx, originy = self.GetPosition()
  80         dx = x - originx
  81         dy = y - originy
  82         self.delta = ((dx, dy))
  83
  84
  85     def OnLeftUp(self, evt):
  86         if self.HasCapture():
  87             self.ReleaseMouse()
  88
  89
  90     def OnMouseMove(self, evt):
  91         if evt.Dragging() and evt.LeftIsDown():
  92             x, y = self.ClientToScreen(evt.GetPosition())
  93             fp = (x - self.delta[0], y - self.delta[1])
  94             self.Move(fp)
  95
  96
  97 #----------------------------------------------------------------------
  98
  99 def runTest(frame, nb, log):
 100     win = TestFrame(nb, log)
 101     frame.otherWin = win
 102     win.Show(True)
 103
 104
 105 #----------------------------------------------------------------------
 106
 107
 108
 109 overview = """<html><body>
 110 <h2><center>Shaped Window</center></h2>
 111
 112 Top level windows now have a SetShape method that lets you set a
 113 non-rectangular shape for the window using a wxRegion.  All pixels
 114 outside of the region will not be drawn and the window will not be
 115 sensitive to the mouse in those areas either.
 116
 117 </body></html>
 118 """
 119
 120
 121
 122 if __name__ == '__main__':
 123     import sys,os
 124     import run
 125     run.main(['', os.path.basename(sys.argv[0])])
 126