<p>我很难理解,在每个应用程序中,封装都很重要。任选的小工具条,加上一个特殊的窗口小部件,在主菜单栏上加上一个特殊的窗口小部件。没别的了。在</p>
<p>这是我的新wxPython应用程序的基本模式:</p>
<p>(2019年2月7日更新:Wx Phoenix和Python 3)</p>
<pre><code>import wx
class MainFrame(wx.Frame):
"""Create MainFrame class."""
def __init__(self, *args, **kwargs):
super(MainFrame, self).__init__(None, *args, **kwargs)
self.Title = 'Basic wxPython module'
self.SetMenuBar(MenuBar(self))
self.ToolBar = MainToolbar(self)
self.status_bar = StatusBar(self).status_bar
self.Bind(wx.EVT_CLOSE, self.on_quit_click)
panel = MainPanel(self)
sizer = wx.BoxSizer()
sizer.Add(panel)
self.SetSizerAndFit(sizer)
self.Centre()
self.Show()
def on_quit_click(self, event):
"""Handle close event."""
del event
wx.CallAfter(self.Destroy)
class MainPanel(wx.Panel):
"""Panel class to contain frame widgets."""
def __init__(self, parent, *args, **kwargs):
super(MainPanel, self).__init__(parent, *args, **kwargs)
"""Create and populate main sizer."""
sizer = wx.BoxSizer(wx.VERTICAL)
cmd_quit = wx.Button(self, id=wx.ID_EXIT)
cmd_quit.Bind(wx.EVT_BUTTON, parent.on_quit_click)
sizer.Add(cmd_quit)
self.SetSizer(sizer)
class MenuBar(wx.MenuBar):
"""Create the menu bar."""
def __init__(self, parent, *args, **kwargs):
super(MenuBar, self).__init__(*args, **kwargs)
# File menu
file_menu = wx.Menu()
self.Append(file_menu, '&File')
quit_menu_item = wx.MenuItem(file_menu, wx.ID_EXIT)
parent.Bind(wx.EVT_MENU, parent.on_quit_click, id=wx.ID_EXIT)
file_menu.Append(quit_menu_item)
class MainToolbar(wx.ToolBar):
"""Create tool bar."""
def __init__(self, parent, *args, **kwargs):
super(MainToolbar, self).__init__(parent, *args, **kwargs)
#quit_bmp = wx.ArtProvider.GetBitmap(wx.ART_QUIT)
#self.AddTool(wx.ID_EXIT, 'Quit', wx.Bitmap(quit_bmp))
#self.SetToolShortHelp(wx.ID_EXIT, 'Quit')
#self.Bind(wx.EVT_TOOL, parent.on_quit_click, id=wx.ID_EXIT)
#self.Realize()
class StatusBar(object):
def __init__(self, parent):
"""Create status bar."""
self.status_bar = parent.CreateStatusBar()
if __name__ == '__main__':
"""Run the application."""
screen_app = wx.App()
main_frame = MainFrame()
screen_app.MainLoop()
</code></pre>