add wxPython/hello_word

xianhu · xianhu · commit 08664e6e8f22 · 2019-03-07T15:14:36.000+08:00
diff --git a/wxPython/hello_world.py b/wxPython/hello_world.py
@@ -0,0 +1,93 @@
+# _*_ coding: utf-8 _*_
+
+"""
+Hello World
+"""
+
+import wx
+
+
+class HelloFrame(wx.Frame):
+    """
+    A Frame that says Hello World
+    """
+
+    def __init__(self, *args, **kw):
+        # ensure the parent's __init__ is called
+        super(HelloFrame, self).__init__(*args, **kw)
+
+        # create a panel in the frame
+        pnl = wx.Panel(self)
+
+        # and put some text with a larger bold font on it
+        st = wx.StaticText(parent=pnl, label="Hello World!", pos=(25, 25))
+        font = st.GetFont()
+        font.PointSize += 10
+        font = font.Bold()
+        st.SetFont(font)
+
+        # create a menu bar
+        self.make_menubar()
+
+        # and a status bar
+        self.CreateStatusBar()
+        self.SetStatusText("Welcome to wxPython!")
+
+    def make_menubar(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 called
+        when the menu item is selected.
+        """
+        # Make a file menu with Hello and Exit items
+        menu_file = wx.Menu()
+        # The "\t..." syntax defines an accelerator key that also triggers the same event
+
+        item_hello = menu_file.Append(-1, "&Hello...\tCtrl-H", "Help string shown in status bar for this menu item")
+        menu_file.AppendSeparator()
+
+        # When using a stock ID we don't need to specify the menu item's label
+        item_exit = menu_file.Append(wx.ID_EXIT)
+
+        # Now a help menu for the about item
+        menu_help = wx.Menu()
+        item_about = menu_help.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.
+        menu_bar = wx.MenuBar()
+        menu_bar.Append(menu_file, "&File")
+        menu_bar.Append(menu_help, "&Help")
+
+        # Give the menu bar to the frame
+        self.SetMenuBar(menu_bar)
+
+        # 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, item_hello)
+        self.Bind(wx.EVT_MENU, self.OnExit, item_exit)
+        self.Bind(wx.EVT_MENU, self.OnAbout, item_about)
+
+    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 = HelloFrame(None, title='Hello World 2')
+    frm.Show()
+    app.MainLoop()
