helloworld2.py 文件源码

def __init__(self):
        # Create a new window
        self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)

        # This is a new call, which just sets the title of our
        # new window to "Hello Buttons!"
        self.window.set_title("Hello Buttons!")

        # Here we just set a handler for delete_event that immediately
        # exits GTK.
        self.window.connect("delete_event", self.delete_event)

        # Sets the border width of the window.
        self.window.set_border_width(10)

        # We create a box to pack widgets into.  This is described in detail
        # in the "packing" section. The box is not really visible, it
        # is just used as a tool to arrange widgets.
        self.box1 = gtk.HBox(gtk.FALSE, 0)

        # Put the box into the main window.
        self.window.add(self.box1)

        # Creates a new button with the label "Button 1".
        self.button1 = gtk.Button("Button 1")

        # Now when the button is clicked, we call the "callback" method
        # with a pointer to "button 1" as its argument
        self.button1.connect("clicked", self.callback, "button 1")

        # Instead of add(), we pack this button into the invisible
        # box, which has been packed into the window.
        self.box1.pack_start(self.button1, gtk.TRUE, gtk.TRUE, 0)

        # Always remember this step, this tells GTK that our preparation for
        # this button is complete, and it can now be displayed.
        self.button1.show()

        # Do these same steps again to create a second button
        self.button2 = gtk.Button("Button 2")

        # Call the same callback method with a different argument,
        # passing a pointer to "button 2" instead.
        self.button2.connect("clicked", self.callback, "button 2")

        self.box1.pack_start(self.button2, gtk.TRUE, gtk.TRUE, 0)

        # The order in which we show the buttons is not really important, but I
        # recommend showing the window last, so it all pops up at once.
        self.button2.show()
        self.box1.show()
        self.window.show()