wxPython/samples/wxPIA_book/Chapter-03/customEvent.py

   1 import wx
   2
   3 class TwoButtonEvent(wx.PyCommandEvent):
   4     def __init__(self, evtType, id):
   5         wx.PyCommandEvent.__init__(self, evtType, id)
   6         self.clickCount = 0
   7
   8     def GetClickCount(self):
   9         return self.clickCount
  10
  11     def SetClickCount(self, count):
  12         self.clickCount = count
  13
  14 myEVT_TWO_BUTTON = wx.NewEventType()
  15 EVT_TWO_BUTTON = wx.PyEventBinder(myEVT_TWO_BUTTON, 1)
  16
  17 class TwoButtonPanel(wx.Panel):
  18     def __init__(self, parent, id=-1, leftText="Left",
  19             rightText="Right"):
  20         wx.Panel.__init__(self, parent, id)
  21         self.leftButton = wx.Button(self, label=leftText)
  22         self.rightButton = wx.Button(self, label=rightText,
  23                                      pos=(100,0))
  24         self.leftClick = False
  25         self.rightClick = False
  26         self.clickCount = 0
  27         self.leftButton.Bind(wx.EVT_LEFT_DOWN, self.OnLeftClick)
  28         self.rightButton.Bind(wx.EVT_LEFT_DOWN, self.OnRightClick)
  29
  30     def OnLeftClick(self, event):
  31         self.leftClick = True
  32         self.OnClick()
  33         event.Skip()
  34
  35     def OnRightClick(self, event):
  36         self.rightClick = True
  37         self.OnClick()
  38         event.Skip()
  39
  40     def OnClick(self):
  41         self.clickCount += 1
  42         if self.leftClick and self.rightClick:
  43             self.leftClick = False
  44             self.rightClick = False
  45             evt = TwoButtonEvent(myEVT_TWO_BUTTON, self.GetId())
  46             evt.SetClickCount(self.clickCount)
  47             self.GetEventHandler().ProcessEvent(evt)
  48
  49
  50 class CustomEventFrame(wx.Frame):
  51     def __init__(self, parent, id):
  52         wx.Frame.__init__(self, parent, id, 'Click Count: 0',
  53                           size=(300, 100))
  54         panel = TwoButtonPanel(self)
  55         self.Bind(EVT_TWO_BUTTON, self.OnTwoClick, panel)
  56
  57     def OnTwoClick(self, event):
  58         self.SetTitle("Click Count: %s" % event.GetClickCount())
  59
  60 if __name__ == '__main__':
  61     app = wx.PySimpleApp()
  62     frame = CustomEventFrame(parent=None, id=-1)
  63     frame.Show()
  64     app.MainLoop()