wxPython中在按钮响应函数里生成wx.dialog对话框的问题请教。谢谢

Ace_wgk 2011-05-25 02:31:02

精简后的代码（utf-8）如下：我想在OnLoad的函数里生成一个登陆的对话框。但是总是出问题，报错如下：“NameError: global name 'parent' is not defined”
怎么改dialog后面的参数啊。。



# -*- coding: utf-8 -*-

import sqlite3 as lite

import wx,os,sys,string

import wx.lib.buttons

import wx.lib.buttons as buttons

from wxPython.wx import *



#界面############################主页############################################

class InFrame(wx.Frame):

    def __init__(self, parent, id):

        wx.Frame.__init__(self, parent, id,'人机交互检索界面',size=(800,740),pos=(200,1))

        panel = wx.Panel(self)

        

        menubar = wx.MenuBar(wx.MB_DOCKABLE)

        

        file = wx.Menu()

        manage=wx.MenuItem(file, 1, "&管理(M)\tCtrl+M")



        quit = wx.MenuItem(file, 2, "&退出(Q)\tCtrl+Q")

        

        file.AppendItem(manage)

        file.AppendItem(quit)

        self.Bind(wx.EVT_MENU, self.OnLoad, id=1)

        self.Bind(wx.EVT_MENU, self.OnQuit, id=2)

        menubar.Append(file, "&文件(F)")        



        help = wx.Menu()

        helps=wx.MenuItem(help, 3, "&帮助(H)\tCtrl+H")



        help.AppendItem(helps)

        menubar.Append(help, "&帮助(H)")





        self.SetMenuBar(menubar)

        self.Centre()

        self.Show(True)        

#################下面Onload这个函数里添加密码输入对话框时候有问题###############################

    def OnLoad(self, event):

#################为啥下一句有问题？#######################    

        wx.Dialog(parent, id, '管理员登陆')

        self.ctrl_username = wx.TextCtrl(self, -1)

        self.ctrl_passwd = wx.TextCtrl(self, -1,

                style=wx.TE_PASSWORD)

        self.ctrl_login = wx.Button(self, -1, '登陆')

        self.ctrl_login.Bind(wx.EVT_BUTTON, self.OnDecide)

        self.ctrl_login.SetDefault()

        self.ctrl_cancel = wx.Button(self, wx.ID_CANCEL, '取消')

        self._layout()

    def OnDecide(self,event):

        print "now"

        print self.ctrl_username

        print self.ctrl_passwd

        if self.ctrl_username.GetValue()=='Ace' and self.ctrl_passwd.GetValue()=='1234':

            print "ok"

        else:

            print "no"



    def _layout(self):

        sizer = wx.BoxSizer(wx.VERTICAL)



        b = wx.StaticBoxSizer(wx.StaticBox(self, -1, '登陆'), wx.VERTICAL)



        grid = wx.FlexGridSizer(2, 0, 3, 3)

        grid.AddGrowableCol(1)

        grid.Add(wx.StaticText(self, -1, '用户名：'))

        grid.Add(self.ctrl_username, 0, wx.GROW)

        grid.Add(wx.StaticText(self, -1, '密码：'))

        grid.Add(self.ctrl_passwd, 0, wx.GROW)

        b.Add(grid, 0, wx.GROW|wx.ALL, 3)

        sizer.Add(b, 0, wx.GROW|wx.ALL, 3)



        h = wx.BoxSizer(wx.HORIZONTAL)

        h.Add(self.ctrl_login, 0, wx.ALL, 3)

        h.Add(self.ctrl_cancel, 0, wx.ALL, 3)

        h.Add((0, 0), 1)

        sizer.Add(h, 0, wx.GROW)



        self.SetAutoLayout(True)

        self.SetSizerAndFit(sizer)

        

    def OnQuit(self, event):

        self.Close()

if __name__ == '__main__':

     app = wx.PySimpleApp()

     frame = InFrame(parent=None, id=-1)

     frame.Show()

     app.MainLoop()