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/*
* $RCSId: xc/programs/Xserver/hw/kdrive/linux/bus.c,v 1.2 2001/06/29 14:00:41 keithp Exp $
*
* Copyright © 2000 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#define NEED_EVENTS
#include <X11/X.h>
#include <X11/Xproto.h>
#include <X11/Xpoll.h>
#include "inputstr.h"
#include "scrnintstr.h"
#include "kdrive.h"
/* /dev/adbmouse is a busmouse */
static void
BusRead (int adbPort, void *closure)
{
unsigned char buf[3];
int n;
int dx, dy;
unsigned long flags;
n = read (adbPort, buf, 3);
if (n == 3)
{
flags = KD_MOUSE_DELTA;
dx = (char) buf[1];
dy = -(char) buf[2];
if ((buf[0] & 4) == 0)
flags |= KD_BUTTON_1;
if ((buf[0] & 2) == 0)
flags |= KD_BUTTON_2;
if ((buf[0] & 1) == 0)
flags |= KD_BUTTON_3;
KdEnqueuePointerEvent (closure, flags, dx, dy, 0);
}
}
char *BusNames[] = {
"/dev/adbmouse",
"/dev/mouse",
};
#define NUM_BUS_NAMES (sizeof (BusNames) / sizeof (BusNames[0]))
static int
BusInit (KdPointerInfo *pi)
{
int i, fd = 0;
if (!pi->path || (strcmp(pi->path, "auto") == 0))
{
for (i = 0; i < NUM_BUS_NAMES; i++)
{
if ((fd = open (BusNames[i], 0)) > 0)
{
close(fd);
if (pi->path)
xfree(pi->path);
pi->path = KdSaveString(BusNames[i]);
return Success;
}
}
}
else
{
if ((fd = open(pi->path, 0)) > 0)
{
close(fd);
return Success;
}
}
return !Success;
}
static int
BusEnable (KdPointerInfo *pi)
{
int fd = open(pi->path, 0);
if (fd > 0)
{
KdRegisterFd(fd, BusRead, pi);
pi->driverPrivate = (void *)fd;
return Success;
}
else
{
return !Success;
}
}
static void
BusDisable (KdPointerInfo *pi)
{
KdUnregisterFd(pi, (int)pi->driverPrivate, TRUE);
}
static void
BusFini (KdPointerInfo *pi)
{
return;
}
KdPointerDriver BusMouseDriver = {
"bus",
BusInit,
BusEnable,
BusDisable,
BusFini,
NULL
};
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