events1.c

来自「这些GTK+程序都是基于常用的API来实现熟悉这些API为目的」· C语言 代码 · 共 68 行

/*
 *
 * 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 [e-mail]
 *
*/

#include <stdio.h>
#include <time.h>
#include <gtk/gtk.h>

static void
motion_notify_callback( GtkWidget *widget, GdkEventMotion *event, gpointer arg )
{
	fprintf( stderr, "In motion_notify_callback\n" );
	fflush( stderr );
}

void
Exit (GtkWidget *widget, gpointer arg)
{
	gtk_main_quit ();
}

int
main( 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 );
}