hellogtk.py 文件源码

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

        # Set the title of the window to "Graphic User Interface"
        self.window.set_title("Graphic User Interface")

        # Create a handler for delete_event that immediately quits GTK.
        self.window.connect("delete_event", self.delete_event)

        # Set the border width of the window.
        self.window.set_border_width(6)

        # Create a box to pack the widgets into. The box is an invisible 
        # container, which is used to arrange the widgets inside it.
        self.box1 = gtk.HBox(gtk.FALSE, 0)

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

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

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

        # 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 to actually display the 
        # button.
        self.button1.show()

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

        # This time, delete_event is called and the window exits.
        self.button2.connect("clicked", self.delete_event, "the Quit button")
        self.box1.pack_start(self.button2, gtk.TRUE, gtk.TRUE, 0)

        # The order in which the buttons are shown is not really important, 
        # but it is recommended to show the window last, so that everything 
        # displays at once.
        self.button2.show()
        self.box1.show()
        self.window.show()