import wx
ID_SIMPLE = wx.NewId()
class MyFrame(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, -1,"UPDATE_UI Menu Example")
p = wx.Panel(self)
self.btn = wx.Button(p, -1, "Disable Item", (20,20))
self.Bind(wx.EVT_BUTTON, self.OnToggleItem, self.btn)
menu = wx.Menu()
menu.Append(ID_SIMPLE, "Simple menu item")
self.enabled = True
self.Bind(wx.EVT_MENU, self.OnSimple, id=ID_SIMPLE)
self.Bind(wx.EVT_UPDATE_UI, self.OnUpdateSimple, id=ID_SIMPLE)
menu.AppendSeparator()
menu.Append(wx.ID_EXIT, "Exit")
self.Bind(wx.EVT_MENU, self.OnExit, id=wx.ID_EXIT)
menuBar = wx.MenuBar()
menuBar.Append(menu, "Menu")
self.SetMenuBar(menuBar)
def OnSimple(self, event):
wx.MessageBox("You selected the simple menu item")
def OnExit(self, event):
self.Close()
def OnToggleItem(self, event):
self.btn.SetLabel(
(self.enabled and "Enable" or "Disable") + " Item")
self.enabled = not self.enabled
def OnUpdateSimple(self, event):
event.Enable(self.enabled)
app = wx.PySimpleApp()
frame = MyFrame()
frame.Show()
app.MainLoop()