python精要（80）－wxpython(2)-helloworld

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Mon Feb 22 08:35:42 2021
@author: myhaspl
"""import wx
class MyHelloFrame(wx.Frame):"""框架"""def __init__(self, *args, **kw):# 调用父类构造函数super(MyHelloFrame, self).__init__(*args, **kw)# 在frame中创建Panel面板pnl = wx.Panel(self)# 使用较大的粗体字体设置静态文本控件st = wx.StaticText(pnl, label="粗体，较大字体!")font = st.GetFont()font.PointSize += 10font = font.Bold()st.SetFont(font)# 创建一个sizer管理子widget层sizer = wx.BoxSizer(wx.VERTICAL)sizer.Add(st, wx.SizerFlags().Border(wx.TOP|wx.LEFT, 25))pnl.SetSizer(sizer)# 创建菜单栏self.makeMenuBar()# 创建状态栏self.CreateStatusBar()self.SetStatusText("欢迎学习wxpython!")def makeMenuBar(self):"""A menu bar is composed of menus, which are composed of menu items.This method builds a set of menus and binds handlers to be calledwhen the menu item is selected."""# Make a file menu with Hello and Exit itemsfileMenu = wx.Menu()# The "\t..." syntax defines an accelerator key that also triggers# the same eventhelloItem = fileMenu.Append(-1, "&Hello...\tCtrl-H","Help string shown in status bar for this menu item")fileMenu.AppendSeparator()# When using a stock ID we don't need to specify the menu item's# labelexitItem = fileMenu.Append(wx.ID_EXIT)# Now a help menu for the about itemhelpMenu = wx.Menu()aboutItem = helpMenu.Append(wx.ID_ABOUT)# Make the menu bar and add the two menus to it. The '&' defines# that the next letter is the "mnemonic" for the menu item. On the# platforms that support it those letters are underlined and can be# triggered from the keyboard.menuBar = wx.MenuBar()menuBar.Append(fileMenu, "&File")menuBar.Append(helpMenu, "&Help")# Give the menu bar to the frameself.SetMenuBar(menuBar)# Finally, associate a handler function with the EVT_MENU event for# each of the menu items. That means that when that menu item is# activated then the associated handler function will be called.self.Bind(wx.EVT_MENU, self.OnHello, helloItem)self.Bind(wx.EVT_MENU, self.OnExit,  exitItem)self.Bind(wx.EVT_MENU, self.OnAbout, aboutItem)def OnExit(self, event):"""Close the frame, terminating the application."""self.Close(True)def OnHello(self, event):"""Say hello to the user."""wx.MessageBox("Hello again from wxPython")def OnAbout(self, event):"""Display an About Dialog"""wx.MessageBox("This is a wxPython Hello World sample","About Hello World 2",wx.OK|wx.ICON_INFORMATION)if __name__ == '__main__':# When this module is run (not imported) then create the app, the# frame, show it, and start the event loop.app = wx.App()frm = MyHelloFrame(None, title='复杂的hello,world')frm.Show()app.MainLoop()

wx.Panel面板是放置控件的窗口

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