/* * * 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 <stdio.h>#include <gtk/gtk.h>gintfoo( GtkWidget *widget, GdkEventKey *event, gpointer data ){	static char tmp[2];	static char password[1024] = "";	char c;	if ( (c = (char) event->keyval) == '\n' || c == '\r' ) {		printf( "Password is '%s'\n", password );		gtk_exit( 0 );	}			tmp[0] = c; 	tmp[1] = '\0';	strcat( password, tmp );	event->keyval = event->string[0] = '*';	return( 0 );}intmain( int argc, char *argv[] ){	GtkWidget *window, *box, *entry;  	gtk_set_locale ();  	gtk_init (&argc, &argv);        window = gtk_window_new (GTK_WINDOW_TOPLEVEL);	gtk_window_set_title( GTK_WINDOW( window ), "Enter Password" );        box = gtk_vbox_new (FALSE, 0);        gtk_container_add (GTK_CONTAINER (window), box);        entry = gtk_entry_new ();        gtk_entry_set_text (GTK_ENTRY (entry), "");        gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);        gtk_box_pack_start (GTK_BOX (box), entry, TRUE, TRUE, 0);	gtk_key_snooper_install( foo, (gpointer) NULL );	gtk_widget_show_all( window );	gtk_main ();	return( 0 );}