Getting Started with WxPython

最新推荐文章于 2024-08-08 11:46:11 发布

最新推荐文章于 2024-08-08 11:46:11 发布 · 255 阅读

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本文将指导您如何使用wxPython库创建一个简单的HelloWorld程序，并逐步介绍如何增加文件菜单，提供从基础到进阶的编程实例。

第一个HelloWorld程序

#!/usr/bin/env python
import wx

app = wx.App(False)  # Create a new app, don't redirect stdout/stderr to a window.
frame = wx.Frame(None, wx.ID_ANY, "Hello World") # A Frame is a top-level window.
frame.Show(True)     # Show the frame.
app.MainLoop()

接下来看看增加一些文件菜单：

'''
Created on Apr 24, 2010

@author: Leyond
'''
import wx
import os
class MyFrame(wx.Frame):
    """we simply dirive a new calss of wx"""
    def __init__(self,parent, title):
        wx.Frame.__init__(self,parent,title = title,size=(200,100))
        self.control = wx.TextCtrl(self,style = wx.wx.TE_MULTILINE)
        self.CreateStatusBar()
        
        filemenu = wx.Menu()
        menuOpen = filemenu.Append(wx.ID_OPEN, "&Open"," Open a file to edit")
        menuItem = filemenu.Append(wx.ID_ABORT,"&About","Information about this program")
        menuExit = filemenu.Append(wx.ID_EXIT,"E&xit"," Terminate the program")

        self.Bind(wx.EVT_MENU, self.OnAbout, menuItem)
        self.Bind(wx.EVT_MENU, self.OnExit, menuExit)
        self.Bind(wx.EVT_MENU, self.OnOpen, menuOpen)

        filemenu.AppendSeparator()
        menuBar =  wx.MenuBar()
        menuBar.Append(filemenu,"&File")
        self.SetMenuBar(menuBar)
        self.Show(True)
        
    def OnAbout(self,event):
        dlg = wx.MessageDialog(self,"A small text editon","About the editor")
        dlg.ShowModal()
        dlg.Destroy()
    def OnExit(self,e):
        self.Close()
        
    def OnOpen(self,e):
        """ Open a file"""
        self.dirname = ''
        dlg = wx.FileDialog(self, "Choose a file", self.dirname, "", "*.*", wx.OPEN)
        if dlg.ShowModal() == wx.ID_OK:
            self.filename = dlg.GetFilename()
            self.dirname = dlg.GetDirectory()
            f = open(os.path.join(self.dirname, self.filename), 'r')
            self.control.SetValue(f.read())
            f.close()
        dlg.Destroy()

        
app = wx.App(False)
frame = MyFrame(None,'Small editor')
app.MainLoop()