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/*
* Copyright 1997,1998 by UCHIYAMA Yasushi
*
* 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 UCHIYAMA Yasushi not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. UCHIYAMA Yasushi makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* UCHIYAMA YASUSHI DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL UCHIYAMA YASUSHI 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_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <xorg-server.h>
#include <X11/X.h>
#include <X11/Xproto.h>
#include "inputstr.h"
#include "scrnintstr.h"
#include "mipointer.h"
#include "xf86.h"
#include "xf86Xinput.h"
#include "mouse.h"
#include "xf86_OSlib.h"
#include "xisb.h"
#include <stdio.h>
#include <errno.h>
#include <sys/time.h>
#include <sys/file.h>
#include <assert.h>
#include <mach.h>
#include <sys/ioctl.h>
#define DEFAULT_MOUSE_DEV "/dev/mouse"
typedef unsigned short kev_type; /* kd event type */
typedef unsigned char Scancode;
struct mouse_motion {
short mm_deltaX; /* units? */
short mm_deltaY;
};
typedef struct {
kev_type type; /* see below */
struct timeval time; /* timestamp */
union { /* value associated with event */
boolean_t up; /* MOUSE_LEFT .. MOUSE_RIGHT */
Scancode sc; /* KEYBD_EVENT */
struct mouse_motion mmotion; /* MOUSE_MOTION */
} value;
} kd_event;
/*
* kd_event ID's.
*/
#define MOUSE_LEFT 1 /* mouse left button up/down */
#define MOUSE_MIDDLE 2
#define MOUSE_RIGHT 3
#define MOUSE_MOTION 4 /* mouse motion */
#define KEYBD_EVENT 5 /* key up/down */
#define NUMEVENTS 64
/*
* OsMouseReadInput --
* Get some events from our queue. Process all outstanding events now.
*/
static void
OsMouseReadInput(InputInfoPtr pInfo)
{
MouseDevPtr pMse;
static kd_event eventList[NUMEVENTS];
static int remainder = 0;
int n, c;
kd_event *event = eventList;
unsigned char *pBuf;
pMse = pInfo->private;
XisbBlockDuration(pMse->buffer, -1);
pBuf = (unsigned char *)eventList;
n = remainder;
while (n < sizeof(eventList) && (c = XisbRead(pMse->buffer)) >= 0)
pBuf[n++] = (unsigned char)c;
if (n == remainder)
return;
remainder = n % sizeof(kd_event);
n /= sizeof(kd_event);
while( n-- ) {
int buttons = pMse->lastButtons;
int dx = 0, dy = 0;
switch (event->type) {
case MOUSE_RIGHT:
buttons = (buttons & 6) |(event->value.up ? 0 : 1);
break;
case MOUSE_MIDDLE:
buttons = (buttons & 5) |(event->value.up ? 0 : 2);
break;
case MOUSE_LEFT:
buttons = (buttons & 3) |(event->value.up ? 0 : 4) ;
break;
case MOUSE_MOTION:
dx = event->value.mmotion.mm_deltaX;
dy = - event->value.mmotion.mm_deltaY;
break;
default:
ErrorF("Bad mouse event (%d)\n",event->type);
continue;
}
pMse->PostEvent(pInfo, buttons, dx, dy, 0, 0);
++event;
}
memcpy(eventList, event, remainder);
return;
}
static Bool
OsMousePreInit(InputInfoPtr pInfo, const char *protocol, int flags)
{
MouseDevPtr pMse;
/* This is called when the protocol is "OSMouse". */
pMse = pInfo->private;
pMse->protocol = protocol;
xf86Msg(X_CONFIG, "%s: Protocol: %s\n", pInfo->name, protocol);
/* Collect the options, and process the common options. */
COLLECT_INPUT_OPTIONS(pInfo, NULL);
xf86ProcessCommonOptions(pInfo, pInfo->options);
/* Check if the device can be opened. */
pInfo->fd = xf86OpenSerial(pInfo->options);
if (pInfo->fd == -1) {
if (xf86GetAllowMouseOpenFail())
xf86Msg(X_WARNING, "%s: cannot open input device\n", pInfo->name);
else {
xf86Msg(X_ERROR, "%s: cannot open input device\n", pInfo->name);
free(pMse);
return FALSE;
}
}
xf86CloseSerial(pInfo->fd);
pInfo->fd = -1;
/* Process common mouse options (like Emulate3Buttons, etc). */
pMse->CommonOptions(pInfo);
/* Setup the local procs. */
pInfo->read_input = OsMouseReadInput;
pInfo->flags |= XI86_CONFIGURED;
return TRUE;
}
static const char *
FindDevice(InputInfoPtr pInfo, const char *protocol, int flags)
{
static const char path[] = DEFAULT_MOUSE_DEV;
int fd;
SYSCALL (fd = open(path, O_RDWR | O_NONBLOCK | O_EXCL));
if (fd == -1)
return NULL;
close(fd);
pInfo->options =
xf86AddNewOption(pInfo->options, "Device", path);
xf86Msg(X_INFO, "%s: Setting Device option to \"%s\"\n", pInfo->name,
path);
return path;
}
static int
SupportedInterfaces(void)
{
/* XXX Need to check this. */
return MSE_SERIAL | MSE_BUS | MSE_PS2 | MSE_XPS2 | MSE_AUTO;
}
static const char *internalNames[] = {
"OSMouse",
NULL
};
static const char **
BuiltinNames(void)
{
return internalNames;
}
static Bool
CheckProtocol(const char *protocol)
{
int i;
for (i = 0; internalNames[i]; i++)
if (xf86NameCmp(protocol, internalNames[i]) == 0)
return TRUE;
return FALSE;
}
static const char *
DefaultProtocol(void)
{
return "OSMouse";
}
OSMouseInfoPtr
OSMouseInit(int flags)
{
OSMouseInfoPtr p;
p = calloc(sizeof(OSMouseInfoRec), 1);
if (!p)
return NULL;
p->SupportedInterfaces = SupportedInterfaces;
p->BuiltinNames = BuiltinNames;
p->FindDevice = FindDevice;
p->DefaultProtocol = DefaultProtocol;
p->CheckProtocol = CheckProtocol;
p->PreInit = OsMousePreInit;
return p;
}
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