/* * * Sample Code for Gtk+ Programming in C, 1st Edition, Prentice Hall * * Copyright 2000 - 2002 Syd Logan, All Rights Reserved * * This code is distributed without warranty. You are free to use this * code for any purpose, however, if this code is republished or * redistributed in its original form, as hardcopy or electronically, * then you must include this copyright notice along with the code. * * Questions or comments regarding this code or any bugs it contains can * be directed to the author via e-mail at slogan@cts.com **/#include <gtk/gtk.h>gintpaned_timeout (gpointer data){	static int position = 1;	static int height = 1;	GtkPaned *vpaned = GTK_PANED( data );//	gtk_paned_set_position( vpaned, position );//	gtk_paned_set_handle_size( vpaned, height );	gtk_paned_set_gutter_size( vpaned, height );	position += 5;	height += 10;	if ( position > 100 )		position = -1;	// restore default	if ( height > 100 )		height = 1;}int main( int argc, char *argv[] ){ 	GtkWidget *window, *vbox, *vpaned, *label, *tab_label;	int timer; 	gtk_init(&argc, &argv);	// create a window  	window = gtk_window_new(GTK_WINDOW_TOPLEVEL); 	gtk_signal_connect(GTK_OBJECT(window), "destroy",     		GTK_SIGNAL_FUNC (gtk_main_quit), "WM destroy"); 	gtk_window_set_title(GTK_WINDOW(window), "Paned"); 	gtk_widget_set_usize(GTK_WIDGET(window), 200, 100);	// create a notebook and add it to the window	vpaned = gtk_vpaned_new(); 	gtk_container_add(GTK_CONTAINER (window), vpaned); 	gtk_widget_show( vpaned );	// create the first panel, which consists of an instance of	// GtkVBox, which in turn manages an instance of GtkLabel	vbox = gtk_vbox_new( FALSE, 10 );	gtk_widget_show( vbox );	label = gtk_label_new( "Panel 1" );	gtk_widget_show( label );	tab_label = gtk_label_new( "Panel 1" );	gtk_widget_show( tab_label );	gtk_box_pack_start_defaults( GTK_BOX( vbox ), label );	gtk_paned_pack1( GTK_PANED( vpaned ), vbox, TRUE, FALSE ); 	// create the second panel	vbox = gtk_vbox_new( FALSE, 10 );	gtk_widget_show( vbox );	label = gtk_label_new( "Panel 2" );	gtk_widget_show( label );	tab_label = gtk_label_new( "Panel 2" );	gtk_widget_show( tab_label );	gtk_box_pack_start_defaults( GTK_BOX( vbox ), label );	gtk_paned_pack2( GTK_PANED( vpaned ), vbox, TRUE, FALSE ); 	// show the main window and call the main loop 	gtk_widget_show(window);	timer = gtk_timeout_add (1000, paned_timeout, vpaned); 	gtk_main ();  	return(0);}