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/mouse_event.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+
+import wx
+
+class MouseEventFrame(wx.Frame):
+    
+    def __init__(self, parent, id):
+        wx.Frame.__init__(self, parent, id, 'Frame With Button', 
+                size=(300, 100))
+        self.panel = wx.Panel(self)                              
+        self.button = wx.Button(self.panel, label="Not Over", pos=(100, 15))
+        self.Bind(wx.EVT_BUTTON, self.OnButtonClick, self.button) 
+        self.button.Bind(wx.EVT_ENTER_WINDOW, self.OnEnterWindow) 
+        self.button.Bind(wx.EVT_LEAVE_WINDOW, self.OnLeaveWindow) 
+        
+    def OnButtonClick(self, event):
+        self.panel.SetBackgroundColour('Green')
+        self.panel.Refresh()
+        
+    def OnEnterWindow(self, event):
+        self.button.SetLabel("Over Me!")
+        event.Skip()
+        
+    def OnLeaveWindow(self, event):
+        self.button.SetLabel("Not Over")
+        event.Skip()
+        
+    
+if __name__ == '__main__':
+    app = wx.PySimpleApp()
+    frame = MouseEventFrame(parent=None, id=-1)
+    frame.Show()
+    app.MainLoop()
+