#!/usr/bin/env python# example notebook.pyimport pygtkpygtk.require('2.0')import gtkclass NotebookExample:    # This method rotates the position of the tabs    def rotate_book(self, button, notebook):        notebook.set_tab_pos((notebook.get_tab_pos()+1) %4)    # Add/Remove the page tabs and the borders    def tabsborder_book(self, button, notebook):        tval = False        bval = False        if self.show_tabs == False:	    tval = True         if self.show_border == False:	    bval = True        notebook.set_show_tabs(tval)        self.show_tabs = tval        notebook.set_show_border(bval)        self.show_border = bval    # Remove a page from the notebook    def remove_book(self, button, notebook):        page = notebook.get_current_page()        notebook.remove_page(page)        # Need to refresh the widget --         # This forces the widget to redraw itself.        notebook.queue_draw_area(0,0,-1,-1)    def delete(self, widget, event=None):        gtk.main_quit()        return False    def __init__(self):        window = gtk.Window(gtk.WINDOW_TOPLEVEL)        window.connect("delete_event", self.delete)        window.set_border_width(10)        table = gtk.Table(3,6,False)        window.add(table)        # Create a new notebook, place the position of the tabs        notebook = gtk.Notebook()        notebook.set_tab_pos(gtk.POS_TOP)        table.attach(notebook, 0,6,0,1)        notebook.show()        self.show_tabs = True        self.show_border = True        # Let's append a bunch of pages to the notebook        for i in range(5):            bufferf = "Append Frame %d" % (i+1)            bufferl = "Page %d" % (i+1)            frame = gtk.Frame(bufferf)            frame.set_border_width(10)            frame.set_size_request(100, 75)            frame.show()            label = gtk.Label(bufferf)            frame.add(label)            label.show()            label = gtk.Label(bufferl)            notebook.append_page(frame, label)              # Now let's add a page to a specific spot        checkbutton = gtk.CheckButton("Check me please!")        checkbutton.set_size_request(100, 75)        checkbutton.show ()        label = gtk.Label("Add page")        notebook.insert_page(checkbutton, label, 2)        # Now finally let's prepend pages to the notebook        for i in range(5):            bufferf = "Prepend Frame %d" % (i+1)            bufferl = "PPage %d" % (i+1)            frame = gtk.Frame(bufferf)            frame.set_border_width(10)            frame.set_size_request(100, 75)            frame.show()            label = gtk.Label(bufferf)            frame.add(label)            label.show()            label = gtk.Label(bufferl)            notebook.prepend_page(frame, label)            # Set what page to start at (page 4)        notebook.set_current_page(3)        # Create a bunch of buttons        button = gtk.Button("close")        button.connect("clicked", self.delete)        table.attach(button, 0,1,1,2)        button.show()        button = gtk.Button("next page")        button.connect("clicked", lambda w: notebook.next_page())        table.attach(button, 1,2,1,2)        button.show()        button = gtk.Button("prev page")        button.connect("clicked", lambda w: notebook.prev_page())        table.attach(button, 2,3,1,2)        button.show()        button = gtk.Button("tab position")        button.connect("clicked", self.rotate_book, notebook)        table.attach(button, 3,4,1,2)        button.show()        button = gtk.Button("tabs/border on/off")        button.connect("clicked", self.tabsborder_book, notebook)        table.attach(button, 4,5,1,2)        button.show()        button = gtk.Button("remove page")        button.connect("clicked", self.remove_book, notebook)        table.attach(button, 5,6,1,2)        button.show()        table.show()        window.show()def main():    gtk.main()    return 0if __name__ == "__main__":    NotebookExample()    main()