wxPython/samples/wxPIA_book/Chapter-08/shaped_frame_mobile.py

   1 import wx
   2 import images
   3
   4 class ShapedFrame(wx.Frame):
   5     def __init__(self):
   6         wx.Frame.__init__(self, None, -1, "Shaped Window",
   7                 style = wx.FRAME_SHAPED | wx.SIMPLE_BORDER )
   8         self.hasShape = False
   9         self.delta = wx.Point(0,0)
  10         self.bmp = images.getVippiBitmap()
  11         self.SetClientSize((self.bmp.GetWidth(), self.bmp.GetHeight()))
  12         dc = wx.ClientDC(self)
  13         dc.DrawBitmap(self.bmp, 0,0, True)
  14         self.SetWindowShape()
  15         self.Bind(wx.EVT_LEFT_DCLICK, self.OnDoubleClick)
  16         self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown)
  17         self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
  18         self.Bind(wx.EVT_MOTION, self.OnMouseMove)
  19         self.Bind(wx.EVT_RIGHT_UP, self.OnExit)
  20         self.Bind(wx.EVT_PAINT, self.OnPaint)
  21         self.Bind(wx.EVT_WINDOW_CREATE, self.SetWindowShape)
  22
  23     def SetWindowShape(self, evt=None):
  24         r = wx.RegionFromBitmap(self.bmp)
  25         self.hasShape = self.SetShape(r)
  26
  27     def OnDoubleClick(self, evt):
  28         if self.hasShape:
  29             self.SetShape(wx.Region())
  30             self.hasShape = False
  31         else:
  32             self.SetWindowShape()
  33
  34     def OnPaint(self, evt):
  35         dc = wx.PaintDC(self)
  36         dc.DrawBitmap(self.bmp, 0,0, True)
  37
  38     def OnExit(self, evt):
  39         self.Close()
  40
  41     def OnLeftDown(self, evt):
  42         self.CaptureMouse()
  43         pos = self.ClientToScreen(evt.GetPosition())
  44         origin = self.GetPosition()
  45         self.delta = wx.Point(pos.x - origin.x, pos.y - origin.y)
  46
  47     def OnMouseMove(self, evt):
  48         if evt.Dragging() and evt.LeftIsDown():
  49             pos = self.ClientToScreen(evt.GetPosition())
  50             newPos = (pos.x - self.delta.x, pos.y - self.delta.y)
  51             self.Move(newPos)
  52
  53     def OnLeftUp(self, evt):
  54         if self.HasCapture():
  55             self.ReleaseMouse()
  56
  57
  58
  59 if __name__ == '__main__':
  60     app = wx.PySimpleApp()
  61     ShapedFrame().Show()
  62     app.MainLoop()
  63
  64