?? events1.c
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/* * * 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 <time.h>#include <gtk/gtk.h>static voidmotion_notify_callback( GtkWidget *widget, GdkEventMotion *event, gpointer arg ){ fprintf( stderr, "In motion_notify_callback\n" ); fflush( stderr );}voidExit (GtkWidget *widget, gpointer arg){ gtk_main_quit ();}intmain( int argc, char *argv[] ){ GtkWidget *window, *box, *drawing; gtk_set_locale (); gtk_init (&argc, &argv); window = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_signal_connect (GTK_OBJECT(window), "destroy", GTK_SIGNAL_FUNC(Exit), NULL); gtk_window_set_title (GTK_WINDOW (window), "Events 1"); gtk_container_border_width (GTK_CONTAINER (window), 0); box = gtk_vbox_new (FALSE, 0); gtk_container_add (GTK_CONTAINER (window), box); drawing = gtk_drawing_area_new (); gtk_widget_set_events (drawing, GDK_EXPOSURE_MASK|GDK_POINTER_MOTION_MASK); gtk_signal_connect( GTK_OBJECT(drawing), "motion_notify_event", GTK_SIGNAL_FUNC(motion_notify_callback), NULL); gtk_box_pack_start (GTK_BOX (box), drawing, TRUE, TRUE, 0); gtk_widget_show_all (window); gtk_main (); return( 0 );}
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