122 lines
2.8 KiB
C
122 lines
2.8 KiB
C
/* $OpenBSD: mouse.c,v 1.4 2007/05/27 05:17:06 matthieu Exp $ */
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/*
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* Copyright (c) 2007 Matthieu Herrb <matthieu@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <kdrive-config.h>
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#endif
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#define NEED_EVENTS
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#include <errno.h>
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#include <termios.h>
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <dev/wscons/wsconsio.h>
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#include "inputstr.h"
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#include "scrnintstr.h"
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#include "kdrive.h"
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#define DBG(x) ErrorF x
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#define NUMEVENTS 64
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static unsigned long kdbuttons[] = {
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KD_BUTTON_1,
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KD_BUTTON_2,
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KD_BUTTON_3
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};
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static void
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wsmouseRead(int mousePort, void *closure)
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{
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static struct wscons_event eventList[NUMEVENTS];
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struct wscons_event *event = eventList;
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int n;
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n = read(mousePort, &eventList,
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NUMEVENTS * sizeof(struct wscons_event));
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if (n <= 0)
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return;
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n /= sizeof(struct wscons_event);
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while (n--) {
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int dx = 0, dy = 0;
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unsigned long flags = 0;
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switch(event->type) {
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case WSCONS_EVENT_MOUSE_UP:
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flags &= ~kdbuttons[event->value];
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break;
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case WSCONS_EVENT_MOUSE_DOWN:
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flags |= kdbuttons[1<<event->value];
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break;
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case WSCONS_EVENT_MOUSE_DELTA_X:
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dx = event->value;
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flags |= KD_MOUSE_DELTA;
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break;
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case WSCONS_EVENT_MOUSE_DELTA_Y:
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dy = event->value;
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flags |= KD_MOUSE_DELTA;
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break;
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case WSCONS_EVENT_MOUSE_ABSOLUTE_X:
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dx = event->value;
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break;
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case WSCONS_EVENT_MOUSE_ABSOLUTE_Y:
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dy = event->value;
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break;
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default:
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ErrorF("wsmouseRead: bad wsmouse event type=%d\n",
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event->type);
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continue;
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} /* case */
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KdEnqueueMouseEvent(kdMouseInfo, flags, dx, dy);
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}
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}
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int MouseInputType;
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static Bool
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wsmouseInit(void)
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{
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char *device = "/dev/wsmouse";
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int port;
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DBG(("wsmouseInit\n"));
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if (!MouseInputType)
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MouseInputType = KdAllocInputType();
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port = open(device, O_RDWR | O_NONBLOCK);
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if (port == -1) {
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ErrorF("wsmouseInit: couldn't open %s (%d)\n", device, errno);
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return FALSE;
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}
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return KdRegisterFd(MouseInputType, port, wsmouseRead, NULL);
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}
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static void
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wsmouseFini(void)
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{
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KdMouseInfo *mi;
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DBG(("wsmouseFini\n"));
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KdUnregisterFds(MouseInputType, TRUE);
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}
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KdMouseFuncs WsconsMouseFuncs = {
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wsmouseInit,
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wsmouseFini
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};
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