代码只是用来写一个简单的UI(窗口上只有一个文本框),并将事件绑定wx.EVT_KEY_DOWN
到函数OnKeyDown
,但是当我按下Esc
键时,窗口会弹出Esc
,,Test
然后另一个Esc
,,Test
最后它会退出后出现四个消息框,为什么?wx.WXK_ESCAPE
我只在绑定中定义了两个消息框。
# -*- coding: utf-8 -*-
import wx
class Command(wx.Frame):
def __init__(self, parent, title):
super(Command, self).__init__(parent, title=title,
size=(600, 500))
self.InitUI()
self.Centre()
self.Show()
def InitUI(self):
pnl = wx.Panel(self)
self.Bind(wx.EVT_CHAR_HOOK, self.OnKeyDown)
hbox = wx.BoxSizer(wx.HORIZONTAL)
self.__tc_command = wx.TextCtrl(pnl, style=wx.TE_MULTILINE)
self.Bind(wx.EVT_CHAR_HOOK, self.OnKeyDown)
hbox.Add(self.__tc_command, proportion=1, flag=wx.ALL|wx.EXPAND, border=15)
pnl.SetSizer(hbox)
def OnKeyDown(self, evt):
"""Enter to send data, Esc to exit."""
key = evt.GetKeyCode()
if key == wx.WXK_ESCAPE:
##################Only two MessageBox, but pop up four##################
wx.MessageBox("Esc")
wx.MessageBox("Test")
##################Only two MessageBox, but pop up four##################
self.Close()
if key == wx.WXK_RETURN:
wx.MessageBox("Enter")
evt.Skip()
if __name__ == '__main__':
app = wx.App(redirect=False)
Command(None, title='Command')
app.MainLoop()