wxPython/demo/ShapedWindow.py

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