xref: /netbsd-src/share/examples/rump/ums_draw/ms.c (revision 3816d47b2c42fcd6e549e3407f842a5b1a1d23ad)
1*3816d47bSpooka /*      $NetBSD: ms.c,v 1.1 2010/01/11 02:18:45 pooka Exp $	*/
2*3816d47bSpooka 
3*3816d47bSpooka /*
4*3816d47bSpooka  * Copyright (c) 2010 Antti Kantee.  All Rights Reserved.
5*3816d47bSpooka  *
6*3816d47bSpooka  * Redistribution and use in source and binary forms, with or without
7*3816d47bSpooka  * modification, are permitted provided that the following conditions
8*3816d47bSpooka  * are met:
9*3816d47bSpooka  * 1. Redistributions of source code must retain the above copyright
10*3816d47bSpooka  *    notice, this list of conditions and the following disclaimer.
11*3816d47bSpooka  * 2. Redistributions in binary form must reproduce the above copyright
12*3816d47bSpooka  *    notice, this list of conditions and the following disclaimer in the
13*3816d47bSpooka  *    documentation and/or other materials provided with the distribution.
14*3816d47bSpooka  *
15*3816d47bSpooka  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16*3816d47bSpooka  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17*3816d47bSpooka  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18*3816d47bSpooka  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*3816d47bSpooka  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*3816d47bSpooka  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21*3816d47bSpooka  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*3816d47bSpooka  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*3816d47bSpooka  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*3816d47bSpooka  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*3816d47bSpooka  * SUCH DAMAGE.
26*3816d47bSpooka  */
27*3816d47bSpooka 
28*3816d47bSpooka /*
29*3816d47bSpooka  * Experimental proof-of-concept program:
30*3816d47bSpooka  *
31*3816d47bSpooka  * Read mouse events and draw silly cursor on screen.
32*3816d47bSpooka  */
33*3816d47bSpooka 
34*3816d47bSpooka #include <sys/types.h>
35*3816d47bSpooka #include <sys/time.h>
36*3816d47bSpooka 
37*3816d47bSpooka #include <dev/wscons/wsconsio.h>
38*3816d47bSpooka 
39*3816d47bSpooka #include <rump/rump.h>
40*3816d47bSpooka #include <rump/rump_syscalls.h>
41*3816d47bSpooka 
42*3816d47bSpooka #include <curses.h>
43*3816d47bSpooka #include <err.h>
44*3816d47bSpooka #include <paths.h>
45*3816d47bSpooka #include <string.h>
46*3816d47bSpooka #include <stdio.h>
47*3816d47bSpooka #include <stdlib.h>
48*3816d47bSpooka 
49*3816d47bSpooka int
main(int argc,char * argv[])50*3816d47bSpooka main(int argc, char *argv[])
51*3816d47bSpooka {
52*3816d47bSpooka 	struct wscons_event *wev;
53*3816d47bSpooka 	char buf[128];
54*3816d47bSpooka 	int fd, x = 0, y = 0;
55*3816d47bSpooka 
56*3816d47bSpooka 	rump_boot_sethowto(RUMP_AB_VERBOSE);
57*3816d47bSpooka 	rump_init();
58*3816d47bSpooka 
59*3816d47bSpooka 	fd = rump_sys_open("/dev/wsmouse", 0);
60*3816d47bSpooka 	if (fd == -1)
61*3816d47bSpooka 		err(1, "open");
62*3816d47bSpooka 
63*3816d47bSpooka 	initscr();
64*3816d47bSpooka 
65*3816d47bSpooka 	while (rump_sys_read(fd, buf, sizeof(buf)) > 0) {
66*3816d47bSpooka 		/* XXX: timespec in 5.0 vs. -current */
67*3816d47bSpooka 		wev = (void *)buf;
68*3816d47bSpooka 
69*3816d47bSpooka 		switch (wev->type) {
70*3816d47bSpooka 		case WSCONS_EVENT_MOUSE_DELTA_X:
71*3816d47bSpooka 			if (wev->value > 1)
72*3816d47bSpooka 				x++;
73*3816d47bSpooka 			else if (wev->value < 1)
74*3816d47bSpooka 				x--;
75*3816d47bSpooka 			if (x < 0)
76*3816d47bSpooka 				x = 0;
77*3816d47bSpooka 			break;
78*3816d47bSpooka 		case WSCONS_EVENT_MOUSE_DELTA_Y:
79*3816d47bSpooka 			if (wev->value > 1)
80*3816d47bSpooka 				y--;
81*3816d47bSpooka 			else if (wev->value < 1)
82*3816d47bSpooka 				y++;
83*3816d47bSpooka 			if (y < 0)
84*3816d47bSpooka 				y = 0;
85*3816d47bSpooka 			break;
86*3816d47bSpooka 		case WSCONS_EVENT_MOUSE_DOWN:
87*3816d47bSpooka 			mvprintw(0, 0, "button %d pressed", wev->value);
88*3816d47bSpooka 			break;
89*3816d47bSpooka 		case WSCONS_EVENT_MOUSE_UP:
90*3816d47bSpooka 			clear();
91*3816d47bSpooka 			break;
92*3816d47bSpooka 		default:
93*3816d47bSpooka 			break;
94*3816d47bSpooka 		}
95*3816d47bSpooka 		move(y, x);
96*3816d47bSpooka 		refresh();
97*3816d47bSpooka 	}
98*3816d47bSpooka }
99