blink_test.c

来自「Screentest is a CRT/LCD screen testing u」· C语言 代码 · 共 105 行

/* $Id: blink_test.c,v 1.1.1.1 2001/08/20 18:10:55 kas Exp $ */

/*
 *  Screentest - CRT monitor testing utility.
 *  http://www.fi.muni.cz/~kas/screentest/
 *  Copyright (C) 2001 Jan "Yenya" Kasprzak <[e-mail]>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <gtk/gtk.h>

#include "callbacks.h"
#include "interface.h"
#include "support.h"

static guint timeout;

static gint blink_type;
static gint blink_step;

static void blink_draw(GtkWidget * widget, gboolean clear)
{
	GdkWindow *win = widget->window;
	gint w, h;
	GdkGC *gc1, *gc2;

	if (clear)
		gdk_window_clear(win);

	gdk_window_get_size(win, &w, &h);

	if (blink_step) {
		gc1 = backgc;
		gc2 = gc;
	} else {
		gc1 = gc;
		gc2 = backgc;
	}

	if (blink_type) {
		gdk_draw_rectangle(win, gc1, TRUE, 5, 5, w / 3 - 5,
				   h - 10);
		gdk_draw_rectangle(win, gc2, TRUE, w / 3, 5, w / 3,
				   h - 10);
		gdk_draw_rectangle(win, gc1, TRUE, 2 * w / 3, 5, w / 3 - 5,
				   h - 10);
	} else {
		gdk_draw_rectangle(win, gc1, TRUE, 5, 5, w - 10,
				   h / 3 - 5);
		gdk_draw_rectangle(win, gc2, TRUE, 5, h / 3, w - 10,
				   h / 3);
		gdk_draw_rectangle(win, gc1, TRUE, 5, 2 * h / 3, w - 10,
				   h / 3 - 5);
	}
	gdk_draw_rectangle(win, gc, FALSE, 0, 0, w - 1, h - 1);
}

static gboolean blink_timeout(gpointer data)
{
	GtkWidget *widget = (GtkWidget *) data;
	blink_step = !blink_step;
	blink_draw(widget, FALSE);
	return TRUE;
}

static void blink_init(GtkWidget * widget)
{
	blink_type = 0;
	blink_step = 0;
	timeout = gtk_timeout_add(1000, blink_timeout, widget);
}

void blink_cycle(GtkWidget * widget)
{
	blink_type = !blink_type;
}

static void blink_close(GtkWidget * widget)
{
	gtk_timeout_remove(timeout);
}

struct test_ops blink_ops = {
	init:blink_init,
	draw:blink_draw,
	cycle:blink_cycle,
	close:blink_close
};