Added the sample code from wxPython In Action to the samples dir

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42925 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

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

@@ -0,0 +1,64 @@
+import wx
+
+class TwoButtonEvent(wx.PyCommandEvent):
+    def __init__(self, evtType, id):
+        wx.PyCommandEvent.__init__(self, evtType, id)
+        self.clickCount = 0
+
+    def GetClickCount(self):
+        return self.clickCount
+
+    def SetClickCount(self, count):
+        self.clickCount = count
+
+myEVT_TWO_BUTTON = wx.NewEventType()
+EVT_TWO_BUTTON = wx.PyEventBinder(myEVT_TWO_BUTTON, 1)
+
+class TwoButtonPanel(wx.Panel):
+    def __init__(self, parent, id=-1, leftText="Left",
+            rightText="Right"):
+        wx.Panel.__init__(self, parent, id)
+        self.leftButton = wx.Button(self, label=leftText)
+        self.rightButton = wx.Button(self, label=rightText,
+                                     pos=(100,0))
+        self.leftClick = False
+        self.rightClick = False
+        self.clickCount = 0
+        self.leftButton.Bind(wx.EVT_LEFT_DOWN, self.OnLeftClick)
+        self.rightButton.Bind(wx.EVT_LEFT_DOWN, self.OnRightClick)
+
+    def OnLeftClick(self, event):
+        self.leftClick = True
+        self.OnClick()
+        event.Skip()
+
+    def OnRightClick(self, event):
+        self.rightClick = True
+        self.OnClick()
+        event.Skip()
+
+    def OnClick(self):
+        self.clickCount += 1
+        if self.leftClick and self.rightClick:
+            self.leftClick = False
+            self.rightClick = False
+            evt = TwoButtonEvent(myEVT_TWO_BUTTON, self.GetId())
+            evt.SetClickCount(self.clickCount)
+            self.GetEventHandler().ProcessEvent(evt)
+
+
+class CustomEventFrame(wx.Frame):
+    def __init__(self, parent, id):
+        wx.Frame.__init__(self, parent, id, 'Click Count: 0',
+                          size=(300, 100))
+        panel = TwoButtonPanel(self)
+        self.Bind(EVT_TWO_BUTTON, self.OnTwoClick, panel)
+
+    def OnTwoClick(self, event):
+        self.SetTitle("Click Count: %s" % event.GetClickCount())
+
+if __name__ == '__main__':
+    app = wx.PySimpleApp()
+    frame = CustomEventFrame(parent=None, id=-1)
+    frame.Show()
+    app.MainLoop()