moused.c revision 72645
1/**
2 ** Copyright (c) 1995 Michael Smith, All rights reserved.
3 **
4 ** Redistribution and use in source and binary forms, with or without
5 ** modification, are permitted provided that the following conditions
6 ** are met:
7 ** 1. Redistributions of source code must retain the above copyright
8 **    notice, this list of conditions and the following disclaimer as
9 **    the first lines of this file unmodified.
10 ** 2. Redistributions in binary form must reproduce the above copyright
11 **    notice, this list of conditions and the following disclaimer in the
12 **    documentation and/or other materials provided with the distribution.
13 ** 3. All advertising materials mentioning features or use of this software
14 **    must display the following acknowledgment:
15 **      This product includes software developed by Michael Smith.
16 ** 4. The name of the author may not be used to endorse or promote products
17 **    derived from this software without specific prior written permission.
18 **
19 **
20 ** THIS SOFTWARE IS PROVIDED BY Michael Smith ``AS IS'' AND ANY
21 ** EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 ** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Michael Smith BE LIABLE FOR
24 ** ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
27 ** BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 ** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
29 ** OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 ** EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 **
32 **/
33
34/**
35 ** MOUSED.C
36 **
37 ** Mouse daemon : listens to a serial port, the bus mouse interface, or
38 ** the PS/2 mouse port for mouse data stream, interprets data and passes
39 ** ioctls off to the console driver.
40 **
41 ** The mouse interface functions are derived closely from the mouse
42 ** handler in the XFree86 X server.  Many thanks to the XFree86 people
43 ** for their great work!
44 **
45 **/
46
47#ifndef lint
48static const char rcsid[] =
49  "$FreeBSD: head/usr.sbin/moused/moused.c 72645 2001-02-18 10:43:53Z asmodai $";
50#endif /* not lint */
51
52#include <ctype.h>
53#include <err.h>
54#include <errno.h>
55#include <fcntl.h>
56#include <limits.h>
57#include <stdio.h>
58#include <stdlib.h>
59#include <stdarg.h>
60#include <string.h>
61#include <ctype.h>
62#include <signal.h>
63#include <setjmp.h>
64#include <termios.h>
65#include <syslog.h>
66#include <sys/mouse.h>
67#include <sys/consio.h>
68#include <sys/types.h>
69#include <sys/time.h>
70#include <sys/socket.h>
71#include <sys/un.h>
72#include <unistd.h>
73
74#define MAX_CLICKTHRESHOLD	2000	/* 2 seconds */
75#define MAX_BUTTON2TIMEOUT	2000	/* 2 seconds */
76#define DFLT_CLICKTHRESHOLD	 500	/* 0.5 second */
77#define DFLT_BUTTON2TIMEOUT	 100	/* 0.1 second */
78
79#define TRUE		1
80#define FALSE		0
81
82#define MOUSE_XAXIS	(-1)
83#define MOUSE_YAXIS	(-2)
84
85/* Logitech PS2++ protocol */
86#define MOUSE_PS2PLUS_CHECKBITS(b)	\
87			((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f))
88#define MOUSE_PS2PLUS_PACKET_TYPE(b)	\
89			(((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4))
90
91#define	ChordMiddle	0x0001
92#define Emulate3Button	0x0002
93#define ClearDTR	0x0004
94#define ClearRTS	0x0008
95#define NoPnP		0x0010
96
97#define ID_NONE		0
98#define ID_PORT		1
99#define ID_IF		2
100#define ID_TYPE 	4
101#define ID_MODEL	8
102#define ID_ALL		(ID_PORT | ID_IF | ID_TYPE | ID_MODEL)
103
104#define debug(fmt,args...) \
105	if (debug&&nodaemon) warnx(fmt, ##args)
106
107#define logerr(e, fmt, args...) {				\
108	if (background) {					\
109	    syslog(LOG_DAEMON | LOG_ERR, fmt ": %m", ##args);	\
110	    exit(e);						\
111	} else							\
112	    err(e, fmt, ##args);				\
113}
114
115#define logerrx(e, fmt, args...) {				\
116	if (background) {					\
117	    syslog(LOG_DAEMON | LOG_ERR, fmt, ##args);		\
118	    exit(e);						\
119	} else							\
120	    errx(e, fmt, ##args);				\
121}
122
123#define logwarn(fmt, args...) {					\
124	if (background)						\
125	    syslog(LOG_DAEMON | LOG_WARNING, fmt ": %m", ##args); \
126	else							\
127	    warn(fmt, ##args);					\
128}
129
130#define logwarnx(fmt, args...) {				\
131	if (background)						\
132	    syslog(LOG_DAEMON | LOG_WARNING, fmt, ##args);	\
133	else							\
134	    warnx(fmt, ##args);					\
135}
136
137/* structures */
138
139/* symbol table entry */
140typedef struct {
141    char *name;
142    int val;
143    int val2;
144} symtab_t;
145
146/* serial PnP ID string */
147typedef struct {
148    int revision;	/* PnP revision, 100 for 1.00 */
149    char *eisaid;	/* EISA ID including mfr ID and product ID */
150    char *serial;	/* serial No, optional */
151    char *class;	/* device class, optional */
152    char *compat;	/* list of compatible drivers, optional */
153    char *description;	/* product description, optional */
154    int neisaid;	/* length of the above fields... */
155    int nserial;
156    int nclass;
157    int ncompat;
158    int ndescription;
159} pnpid_t;
160
161/* global variables */
162
163int	debug = 0;
164int	nodaemon = FALSE;
165int	background = FALSE;
166int	identify = ID_NONE;
167int	extioctl = FALSE;
168char	*pidfile = "/var/run/moused.pid";
169
170/* local variables */
171
172/* interface (the table must be ordered by MOUSE_IF_XXX in mouse.h) */
173static symtab_t rifs[] = {
174    { "serial",		MOUSE_IF_SERIAL },
175    { "bus",		MOUSE_IF_BUS },
176    { "inport",		MOUSE_IF_INPORT },
177    { "ps/2",		MOUSE_IF_PS2 },
178    { "sysmouse",	MOUSE_IF_SYSMOUSE },
179    { "usb",		MOUSE_IF_USB },
180    { NULL,		MOUSE_IF_UNKNOWN },
181};
182
183/* types (the table must be ordered by MOUSE_PROTO_XXX in mouse.h) */
184static char *rnames[] = {
185    "microsoft",
186    "mousesystems",
187    "logitech",
188    "mmseries",
189    "mouseman",
190    "busmouse",
191    "inportmouse",
192    "ps/2",
193    "mmhitab",
194    "glidepoint",
195    "intellimouse",
196    "thinkingmouse",
197    "sysmouse",
198    "x10mouseremote",
199    "kidspad",
200#if notyet
201    "mariqua",
202#endif
203    NULL
204};
205
206/* models */
207static symtab_t	rmodels[] = {
208    { "NetScroll",		MOUSE_MODEL_NETSCROLL },
209    { "NetMouse/NetScroll Optical", MOUSE_MODEL_NET },
210    { "GlidePoint",		MOUSE_MODEL_GLIDEPOINT },
211    { "ThinkingMouse",		MOUSE_MODEL_THINK },
212    { "IntelliMouse",		MOUSE_MODEL_INTELLI },
213    { "EasyScroll/SmartScroll",	MOUSE_MODEL_EASYSCROLL },
214    { "MouseMan+",		MOUSE_MODEL_MOUSEMANPLUS },
215    { "Kidspad",		MOUSE_MODEL_KIDSPAD },
216    { "VersaPad",		MOUSE_MODEL_VERSAPAD },
217    { "IntelliMouse Explorer",	MOUSE_MODEL_EXPLORER },
218    { "4D Mouse",		MOUSE_MODEL_4D },
219    { "4D+ Mouse",		MOUSE_MODEL_4DPLUS },
220    { "generic",		MOUSE_MODEL_GENERIC },
221    { NULL, 			MOUSE_MODEL_UNKNOWN },
222};
223
224/* PnP EISA/product IDs */
225static symtab_t pnpprod[] = {
226    /* Kensignton ThinkingMouse */
227    { "KML0001",	MOUSE_PROTO_THINK,	MOUSE_MODEL_THINK },
228    /* MS IntelliMouse */
229    { "MSH0001",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_INTELLI },
230    /* MS IntelliMouse TrackBall */
231    { "MSH0004",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_INTELLI },
232    /* Tremon Wheel Mouse MUSD */
233    { "HTK0001",        MOUSE_PROTO_INTELLI,    MOUSE_MODEL_INTELLI },
234    /* Genius PnP Mouse */
235    { "KYE0001",	MOUSE_PROTO_MS,		MOUSE_MODEL_GENERIC },
236    /* MouseSystems SmartScroll Mouse (OEM from Genius?) */
237    { "KYE0002",	MOUSE_PROTO_MS,		MOUSE_MODEL_EASYSCROLL },
238    /* Genius NetMouse */
239    { "KYE0003",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_NET },
240    /* Genius Kidspad, Easypad and other tablets */
241    { "KYE0005",	MOUSE_PROTO_KIDSPAD,	MOUSE_MODEL_KIDSPAD },
242    /* Genius EZScroll */
243    { "KYEEZ00",	MOUSE_PROTO_MS,		MOUSE_MODEL_EASYSCROLL },
244    /* Logitech Cordless MouseMan Wheel */
245    { "LGI8033",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_MOUSEMANPLUS },
246    /* Logitech MouseMan (new 4 button model) */
247    { "LGI800C",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_MOUSEMANPLUS },
248    /* Logitech MouseMan+ */
249    { "LGI8050",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_MOUSEMANPLUS },
250    /* Logitech FirstMouse+ */
251    { "LGI8051",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_MOUSEMANPLUS },
252    /* Logitech serial */
253    { "LGI8001",	MOUSE_PROTO_LOGIMOUSEMAN, MOUSE_MODEL_GENERIC },
254    /* A4 Tech 4D/4D+ Mouse */
255    { "A4W0005",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_4D },
256    /* 8D Scroll Mouse */
257    { "PEC9802",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_INTELLI },
258    /* Mitsumi Wireless Scroll Mouse */
259    { "MTM6401",	MOUSE_PROTO_INTELLI,	MOUSE_MODEL_INTELLI },
260
261    /* MS bus */
262    { "PNP0F00",	MOUSE_PROTO_BUS,	MOUSE_MODEL_GENERIC },
263    /* MS serial */
264    { "PNP0F01",	MOUSE_PROTO_MS,		MOUSE_MODEL_GENERIC },
265    /* MS InPort */
266    { "PNP0F02",	MOUSE_PROTO_INPORT,	MOUSE_MODEL_GENERIC },
267    /* MS PS/2 */
268    { "PNP0F03",	MOUSE_PROTO_PS2,	MOUSE_MODEL_GENERIC },
269    /*
270     * EzScroll returns PNP0F04 in the compatible device field; but it
271     * doesn't look compatible... XXX
272     */
273    /* MouseSystems */
274    { "PNP0F04",	MOUSE_PROTO_MSC,	MOUSE_MODEL_GENERIC },
275    /* MouseSystems */
276    { "PNP0F05",	MOUSE_PROTO_MSC,	MOUSE_MODEL_GENERIC },
277#if notyet
278    /* Genius Mouse */
279    { "PNP0F06",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
280    /* Genius Mouse */
281    { "PNP0F07",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
282#endif
283    /* Logitech serial */
284    { "PNP0F08",	MOUSE_PROTO_LOGIMOUSEMAN, MOUSE_MODEL_GENERIC },
285    /* MS BallPoint serial */
286    { "PNP0F09",	MOUSE_PROTO_MS,		MOUSE_MODEL_GENERIC },
287    /* MS PnP serial */
288    { "PNP0F0A",	MOUSE_PROTO_MS,		MOUSE_MODEL_GENERIC },
289    /* MS PnP BallPoint serial */
290    { "PNP0F0B",	MOUSE_PROTO_MS,		MOUSE_MODEL_GENERIC },
291    /* MS serial comatible */
292    { "PNP0F0C",	MOUSE_PROTO_MS,		MOUSE_MODEL_GENERIC },
293    /* MS InPort comatible */
294    { "PNP0F0D",	MOUSE_PROTO_INPORT,	MOUSE_MODEL_GENERIC },
295    /* MS PS/2 comatible */
296    { "PNP0F0E",	MOUSE_PROTO_PS2,	MOUSE_MODEL_GENERIC },
297    /* MS BallPoint comatible */
298    { "PNP0F0F",	MOUSE_PROTO_MS,		MOUSE_MODEL_GENERIC },
299#if notyet
300    /* TI QuickPort */
301    { "PNP0F10",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
302#endif
303    /* MS bus comatible */
304    { "PNP0F11",	MOUSE_PROTO_BUS,	MOUSE_MODEL_GENERIC },
305    /* Logitech PS/2 */
306    { "PNP0F12",	MOUSE_PROTO_PS2,	MOUSE_MODEL_GENERIC },
307    /* PS/2 */
308    { "PNP0F13",	MOUSE_PROTO_PS2,	MOUSE_MODEL_GENERIC },
309#if notyet
310    /* MS Kids Mouse */
311    { "PNP0F14",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
312#endif
313    /* Logitech bus */
314    { "PNP0F15",	MOUSE_PROTO_BUS,	MOUSE_MODEL_GENERIC },
315#if notyet
316    /* Logitech SWIFT */
317    { "PNP0F16",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
318#endif
319    /* Logitech serial compat */
320    { "PNP0F17",	MOUSE_PROTO_LOGIMOUSEMAN, MOUSE_MODEL_GENERIC },
321    /* Logitech bus compatible */
322    { "PNP0F18",	MOUSE_PROTO_BUS,	MOUSE_MODEL_GENERIC },
323    /* Logitech PS/2 compatible */
324    { "PNP0F19",	MOUSE_PROTO_PS2,	MOUSE_MODEL_GENERIC },
325#if notyet
326    /* Logitech SWIFT compatible */
327    { "PNP0F1A",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
328    /* HP Omnibook */
329    { "PNP0F1B",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
330    /* Compaq LTE TrackBall PS/2 */
331    { "PNP0F1C",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
332    /* Compaq LTE TrackBall serial */
333    { "PNP0F1D",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
334    /* MS Kidts Trackball */
335    { "PNP0F1E",	MOUSE_PROTO_???,	MOUSE_MODEL_GENERIC },
336#endif
337    /* Interlink VersaPad */
338    { "LNK0001",	MOUSE_PROTO_VERSAPAD,	MOUSE_MODEL_VERSAPAD },
339
340    { NULL,		MOUSE_PROTO_UNKNOWN,	MOUSE_MODEL_GENERIC },
341};
342
343/* the table must be ordered by MOUSE_PROTO_XXX in mouse.h */
344static unsigned short rodentcflags[] =
345{
346    (CS7	           | CREAD | CLOCAL | HUPCL ),	/* MicroSoft */
347    (CS8 | CSTOPB	   | CREAD | CLOCAL | HUPCL ),	/* MouseSystems */
348    (CS8 | CSTOPB	   | CREAD | CLOCAL | HUPCL ),	/* Logitech */
349    (CS8 | PARENB | PARODD | CREAD | CLOCAL | HUPCL ),	/* MMSeries */
350    (CS7		   | CREAD | CLOCAL | HUPCL ),	/* MouseMan */
351    0,							/* Bus */
352    0,							/* InPort */
353    0,							/* PS/2 */
354    (CS8		   | CREAD | CLOCAL | HUPCL ),	/* MM HitTablet */
355    (CS7	           | CREAD | CLOCAL | HUPCL ),	/* GlidePoint */
356    (CS7                   | CREAD | CLOCAL | HUPCL ),	/* IntelliMouse */
357    (CS7                   | CREAD | CLOCAL | HUPCL ),	/* Thinking Mouse */
358    (CS8 | CSTOPB	   | CREAD | CLOCAL | HUPCL ),	/* sysmouse */
359    (CS7	           | CREAD | CLOCAL | HUPCL ),	/* X10 MouseRemote */
360    (CS8 | PARENB | PARODD | CREAD | CLOCAL | HUPCL ),	/* kidspad etc. */
361    (CS8		   | CREAD | CLOCAL | HUPCL ),	/* VersaPad */
362#if notyet
363    (CS8 | CSTOPB	   | CREAD | CLOCAL | HUPCL ),	/* Mariqua */
364#endif
365};
366
367static struct rodentparam {
368    int flags;
369    char *portname;		/* /dev/XXX */
370    int rtype;			/* MOUSE_PROTO_XXX */
371    int level;			/* operation level: 0 or greater */
372    int baudrate;
373    int rate;			/* report rate */
374    int resolution;		/* MOUSE_RES_XXX or a positive number */
375    int zmap[4];		/* MOUSE_{X|Y}AXIS or a button number */
376    int wmode;			/* wheel mode button number */
377    int mfd;			/* mouse file descriptor */
378    int cfd;			/* /dev/consolectl file descriptor */
379    int mremsfd;		/* mouse remote server file descriptor */
380    int mremcfd;		/* mouse remote client file descriptor */
381    long clickthreshold;	/* double click speed in msec */
382    long button2timeout;	/* 3 button emulation timeout */
383    mousehw_t hw;		/* mouse device hardware information */
384    mousemode_t mode;		/* protocol information */
385} rodent = {
386    flags : 0,
387    portname : NULL,
388    rtype : MOUSE_PROTO_UNKNOWN,
389    level : -1,
390    baudrate : 1200,
391    rate : 0,
392    resolution : MOUSE_RES_UNKNOWN,
393    zmap: { 0, 0, 0, 0 },
394    wmode: 0,
395    mfd : -1,
396    cfd : -1,
397    mremsfd : -1,
398    mremcfd : -1,
399    clickthreshold : DFLT_CLICKTHRESHOLD,
400    button2timeout : DFLT_BUTTON2TIMEOUT,
401};
402
403/* button status */
404struct button_state {
405    int count;		/* 0: up, 1: single click, 2: double click,... */
406    struct timeval tv;	/* timestamp on the last button event */
407};
408static struct button_state	bstate[MOUSE_MAXBUTTON]; /* button state */
409static struct button_state	*mstate[MOUSE_MAXBUTTON];/* mapped button st.*/
410static struct button_state	zstate[4];		 /* Z/W axis state */
411
412/* state machine for 3 button emulation */
413
414#define S0	0	/* start */
415#define S1	1	/* button 1 delayed down */
416#define S2	2	/* button 3 delayed down */
417#define S3	3	/* both buttons down -> button 2 down */
418#define S4	4	/* button 1 delayed up */
419#define S5	5	/* button 1 down */
420#define S6	6	/* button 3 down */
421#define S7	7	/* both buttons down */
422#define S8	8	/* button 3 delayed up */
423#define S9	9	/* button 1 or 3 up after S3 */
424
425#define A(b1, b3)	(((b1) ? 2 : 0) | ((b3) ? 1 : 0))
426#define A_TIMEOUT	4
427
428static struct {
429    int s[A_TIMEOUT + 1];
430    int buttons;
431    int mask;
432    int timeout;
433} states[10] = {
434    /* S0 */
435    { { S0, S2, S1, S3, S0 }, 0, ~(MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN), FALSE },
436    /* S1 */
437    { { S4, S2, S1, S3, S5 }, 0, ~MOUSE_BUTTON1DOWN, FALSE },
438    /* S2 */
439    { { S8, S2, S1, S3, S6 }, 0, ~MOUSE_BUTTON3DOWN, FALSE },
440    /* S3 */
441    { { S0, S9, S9, S3, S3 }, MOUSE_BUTTON2DOWN, ~0, FALSE },
442    /* S4 */
443    { { S0, S2, S1, S3, S0 }, MOUSE_BUTTON1DOWN, ~0, TRUE },
444    /* S5 */
445    { { S0, S2, S5, S7, S5 }, MOUSE_BUTTON1DOWN, ~0, FALSE },
446    /* S6 */
447    { { S0, S6, S1, S7, S6 }, MOUSE_BUTTON3DOWN, ~0, FALSE },
448    /* S7 */
449    { { S0, S6, S5, S7, S7 }, MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, ~0, FALSE },
450    /* S8 */
451    { { S0, S2, S1, S3, S0 }, MOUSE_BUTTON3DOWN, ~0, TRUE },
452    /* S9 */
453    { { S0, S9, S9, S3, S9 }, 0, ~(MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN), FALSE },
454};
455static int		mouse_button_state;
456static struct timeval	mouse_button_state_tv;
457
458static jmp_buf env;
459
460/* function prototypes */
461
462static void	moused(void);
463static void	hup(int sig);
464static void	cleanup(int sig);
465static void	usage(void);
466
467static int	r_identify(void);
468static char	*r_if(int type);
469static char	*r_name(int type);
470static char	*r_model(int model);
471static void	r_init(void);
472static int	r_protocol(u_char b, mousestatus_t *act);
473static int	r_statetrans(mousestatus_t *a1, mousestatus_t *a2, int trans);
474static int	r_installmap(char *arg);
475static void	r_map(mousestatus_t *act1, mousestatus_t *act2);
476static void	r_timestamp(mousestatus_t *act);
477static int	r_timeout(void);
478static void	r_click(mousestatus_t *act);
479static void	setmousespeed(int old, int new, unsigned cflag);
480
481static int	pnpwakeup1(void);
482static int	pnpwakeup2(void);
483static int	pnpgets(char *buf);
484static int	pnpparse(pnpid_t *id, char *buf, int len);
485static symtab_t	*pnpproto(pnpid_t *id);
486
487static symtab_t	*gettoken(symtab_t *tab, char *s, int len);
488static char	*gettokenname(symtab_t *tab, int val);
489
490static void	mremote_serversetup();
491static void	mremote_clientchg(int add);
492
493static int kidspad(u_char rxc, mousestatus_t *act);
494
495int
496main(int argc, char *argv[])
497{
498    int c;
499    int	i;
500    int	j;
501
502    for (i = 0; i < MOUSE_MAXBUTTON; ++i)
503	mstate[i] = &bstate[i];
504
505    while((c = getopt(argc,argv,"3C:DE:F:I:PRS:cdfhi:l:m:p:r:st:w:z:")) != -1)
506	switch(c) {
507
508	case '3':
509	    rodent.flags |= Emulate3Button;
510	    break;
511
512	case 'E':
513	    rodent.button2timeout = atoi(optarg);
514	    if ((rodent.button2timeout < 0) ||
515	        (rodent.button2timeout > MAX_BUTTON2TIMEOUT)) {
516	        warnx("invalid argument `%s'", optarg);
517	        usage();
518	    }
519	    break;
520
521	case 'c':
522	    rodent.flags |= ChordMiddle;
523	    break;
524
525	case 'd':
526	    ++debug;
527	    break;
528
529	case 'f':
530	    nodaemon = TRUE;
531	    break;
532
533	case 'i':
534	    if (strcmp(optarg, "all") == 0)
535	        identify = ID_ALL;
536	    else if (strcmp(optarg, "port") == 0)
537	        identify = ID_PORT;
538	    else if (strcmp(optarg, "if") == 0)
539	        identify = ID_IF;
540	    else if (strcmp(optarg, "type") == 0)
541	        identify = ID_TYPE;
542	    else if (strcmp(optarg, "model") == 0)
543	        identify = ID_MODEL;
544	    else {
545	        warnx("invalid argument `%s'", optarg);
546	        usage();
547	    }
548	    nodaemon = TRUE;
549	    break;
550
551	case 'l':
552	    rodent.level = atoi(optarg);
553	    if ((rodent.level < 0) || (rodent.level > 4)) {
554	        warnx("invalid argument `%s'", optarg);
555	        usage();
556	    }
557	    break;
558
559	case 'm':
560	    if (!r_installmap(optarg)) {
561	        warnx("invalid argument `%s'", optarg);
562	        usage();
563	    }
564	    break;
565
566	case 'p':
567	    rodent.portname = optarg;
568	    break;
569
570	case 'r':
571	    if (strcmp(optarg, "high") == 0)
572	        rodent.resolution = MOUSE_RES_HIGH;
573	    else if (strcmp(optarg, "medium-high") == 0)
574	        rodent.resolution = MOUSE_RES_HIGH;
575	    else if (strcmp(optarg, "medium-low") == 0)
576	        rodent.resolution = MOUSE_RES_MEDIUMLOW;
577	    else if (strcmp(optarg, "low") == 0)
578	        rodent.resolution = MOUSE_RES_LOW;
579	    else if (strcmp(optarg, "default") == 0)
580	        rodent.resolution = MOUSE_RES_DEFAULT;
581	    else {
582	        rodent.resolution = atoi(optarg);
583	        if (rodent.resolution <= 0) {
584	            warnx("invalid argument `%s'", optarg);
585	            usage();
586	        }
587	    }
588	    break;
589
590	case 's':
591	    rodent.baudrate = 9600;
592	    break;
593
594	case 'w':
595	    i = atoi(optarg);
596	    if ((i <= 0) || (i > MOUSE_MAXBUTTON)) {
597		warnx("invalid argument `%s'", optarg);
598		usage();
599	    }
600	    rodent.wmode = 1 << (i - 1);
601	    break;
602
603	case 'z':
604	    if (strcmp(optarg, "x") == 0)
605		rodent.zmap[0] = MOUSE_XAXIS;
606	    else if (strcmp(optarg, "y") == 0)
607		rodent.zmap[0] = MOUSE_YAXIS;
608            else {
609		i = atoi(optarg);
610		/*
611		 * Use button i for negative Z axis movement and
612		 * button (i + 1) for positive Z axis movement.
613		 */
614		if ((i <= 0) || (i > MOUSE_MAXBUTTON - 1)) {
615	            warnx("invalid argument `%s'", optarg);
616	            usage();
617		}
618		rodent.zmap[0] = i;
619		rodent.zmap[1] = i + 1;
620		debug("optind: %d, optarg: '%s'", optind, optarg);
621		for (j = 1; j < 4; ++j) {
622		    if ((optind >= argc) || !isdigit(*argv[optind]))
623			break;
624		    i = atoi(argv[optind]);
625		    if ((i <= 0) || (i > MOUSE_MAXBUTTON - 1)) {
626			warnx("invalid argument `%s'", argv[optind]);
627			usage();
628		    }
629		    rodent.zmap[j] = i;
630		    ++optind;
631		}
632		if ((rodent.zmap[2] != 0) && (rodent.zmap[3] == 0))
633		    rodent.zmap[3] = rodent.zmap[2] + 1;
634	    }
635	    break;
636
637	case 'C':
638	    rodent.clickthreshold = atoi(optarg);
639	    if ((rodent.clickthreshold < 0) ||
640	        (rodent.clickthreshold > MAX_CLICKTHRESHOLD)) {
641	        warnx("invalid argument `%s'", optarg);
642	        usage();
643	    }
644	    break;
645
646	case 'D':
647	    rodent.flags |= ClearDTR;
648	    break;
649
650	case 'F':
651	    rodent.rate = atoi(optarg);
652	    if (rodent.rate <= 0) {
653	        warnx("invalid argument `%s'", optarg);
654	        usage();
655	    }
656	    break;
657
658	case 'I':
659	    pidfile = optarg;
660	    break;
661
662	case 'P':
663	    rodent.flags |= NoPnP;
664	    break;
665
666	case 'R':
667	    rodent.flags |= ClearRTS;
668	    break;
669
670	case 'S':
671	    rodent.baudrate = atoi(optarg);
672	    if (rodent.baudrate <= 0) {
673	        warnx("invalid argument `%s'", optarg);
674	        usage();
675	    }
676	    debug("rodent baudrate %d", rodent.baudrate);
677	    break;
678
679	case 't':
680	    if (strcmp(optarg, "auto") == 0) {
681		rodent.rtype = MOUSE_PROTO_UNKNOWN;
682		rodent.flags &= ~NoPnP;
683		rodent.level = -1;
684		break;
685	    }
686	    for (i = 0; rnames[i]; i++)
687		if (strcmp(optarg, rnames[i]) == 0) {
688		    rodent.rtype = i;
689		    rodent.flags |= NoPnP;
690		    rodent.level = (i == MOUSE_PROTO_SYSMOUSE) ? 1 : 0;
691		    break;
692		}
693	    if (rnames[i])
694		break;
695	    warnx("no such mouse type `%s'", optarg);
696	    usage();
697
698	case 'h':
699	case '?':
700	default:
701	    usage();
702	}
703
704    /* fix Z axis mapping */
705    for (i = 0; i < 4; ++i) {
706	if (rodent.zmap[i] > 0) {
707	    for (j = 0; j < MOUSE_MAXBUTTON; ++j) {
708		if (mstate[j] == &bstate[rodent.zmap[i] - 1])
709		    mstate[j] = &zstate[i];
710	    }
711	    rodent.zmap[i] = 1 << (rodent.zmap[i] - 1);
712	}
713    }
714
715    /* the default port name */
716    switch(rodent.rtype) {
717
718    case MOUSE_PROTO_INPORT:
719        /* INPORT and BUS are the same... */
720	rodent.rtype = MOUSE_PROTO_BUS;
721	/* FALL THROUGH */
722    case MOUSE_PROTO_BUS:
723	if (!rodent.portname)
724	    rodent.portname = "/dev/mse0";
725	break;
726
727    case MOUSE_PROTO_PS2:
728	if (!rodent.portname)
729	    rodent.portname = "/dev/psm0";
730	break;
731
732    default:
733	if (rodent.portname)
734	    break;
735	warnx("no port name specified");
736	usage();
737    }
738
739    for (;;) {
740	if (setjmp(env) == 0) {
741	    signal(SIGHUP, hup);
742	    signal(SIGINT , cleanup);
743	    signal(SIGQUIT, cleanup);
744	    signal(SIGTERM, cleanup);
745            if ((rodent.mfd = open(rodent.portname, O_RDWR | O_NONBLOCK, 0))
746		== -1)
747	        logerr(1, "unable to open %s", rodent.portname);
748            if (r_identify() == MOUSE_PROTO_UNKNOWN) {
749	        logwarnx("cannot determine mouse type on %s", rodent.portname);
750	        close(rodent.mfd);
751	        rodent.mfd = -1;
752            }
753
754	    /* print some information */
755            if (identify != ID_NONE) {
756		if (identify == ID_ALL)
757                    printf("%s %s %s %s\n",
758		        rodent.portname, r_if(rodent.hw.iftype),
759		        r_name(rodent.rtype), r_model(rodent.hw.model));
760		else if (identify & ID_PORT)
761		    printf("%s\n", rodent.portname);
762		else if (identify & ID_IF)
763		    printf("%s\n", r_if(rodent.hw.iftype));
764		else if (identify & ID_TYPE)
765		    printf("%s\n", r_name(rodent.rtype));
766		else if (identify & ID_MODEL)
767		    printf("%s\n", r_model(rodent.hw.model));
768		exit(0);
769	    } else {
770                debug("port: %s  interface: %s  type: %s  model: %s",
771		    rodent.portname, r_if(rodent.hw.iftype),
772		    r_name(rodent.rtype), r_model(rodent.hw.model));
773	    }
774
775	    if (rodent.mfd == -1) {
776	        /*
777	         * We cannot continue because of error.  Exit if the
778		 * program has not become a daemon.  Otherwise, block
779		 * until the the user corrects the problem and issues SIGHUP.
780	         */
781	        if (!background)
782		    exit(1);
783	        sigpause(0);
784	    }
785
786            r_init();			/* call init function */
787	    moused();
788	}
789
790	if (rodent.mfd != -1)
791	    close(rodent.mfd);
792	if (rodent.cfd != -1)
793	    close(rodent.cfd);
794	rodent.mfd = rodent.cfd = -1;
795    }
796    /* NOT REACHED */
797
798    exit(0);
799}
800
801static void
802moused(void)
803{
804    struct mouse_info mouse;
805    mousestatus_t action0;		/* original mouse action */
806    mousestatus_t action;		/* interrim buffer */
807    mousestatus_t action2;		/* mapped action */
808    struct timeval timeout;
809    fd_set fds;
810    u_char b;
811    FILE *fp;
812    int flags;
813    int c;
814    int i;
815
816    if ((rodent.cfd = open("/dev/consolectl", O_RDWR, 0)) == -1)
817	logerr(1, "cannot open /dev/consolectl", 0);
818
819    if (!nodaemon && !background)
820	if (daemon(0, 0)) {
821	    logerr(1, "failed to become a daemon", 0);
822	} else {
823	    background = TRUE;
824	    fp = fopen(pidfile, "w");
825	    if (fp != NULL) {
826		fprintf(fp, "%d\n", getpid());
827		fclose(fp);
828	    }
829	}
830
831    /* clear mouse data */
832    bzero(&action0, sizeof(action0));
833    bzero(&action, sizeof(action));
834    bzero(&action2, sizeof(action2));
835    bzero(&mouse, sizeof(mouse));
836    mouse_button_state = S0;
837    gettimeofday(&mouse_button_state_tv, NULL);
838    for (i = 0; i < MOUSE_MAXBUTTON; ++i) {
839	bstate[i].count = 0;
840	bstate[i].tv = mouse_button_state_tv;
841    }
842    for (i = 0; i < sizeof(zstate)/sizeof(zstate[0]); ++i) {
843	zstate[i].count = 0;
844	zstate[i].tv = mouse_button_state_tv;
845    }
846
847    /* choose which ioctl command to use */
848    mouse.operation = MOUSE_MOTION_EVENT;
849    extioctl = (ioctl(rodent.cfd, CONS_MOUSECTL, &mouse) == 0);
850
851    /* process mouse data */
852    timeout.tv_sec = 0;
853    timeout.tv_usec = 20000;		/* 20 msec */
854    for (;;) {
855
856	FD_ZERO(&fds);
857	FD_SET(rodent.mfd, &fds);
858	if (rodent.mremsfd >= 0)
859	    FD_SET(rodent.mremsfd, &fds);
860	if (rodent.mremcfd >= 0)
861	    FD_SET(rodent.mremcfd, &fds);
862
863	c = select(FD_SETSIZE, &fds, NULL, NULL,
864		   (rodent.flags & Emulate3Button) ? &timeout : NULL);
865	if (c < 0) {                    /* error */
866	    logwarn("failed to read from mouse", 0);
867	    continue;
868	} else if (c == 0) {            /* timeout */
869	    /* assert(rodent.flags & Emulate3Button) */
870	    action0.button = action0.obutton;
871	    action0.dx = action0.dy = action0.dz = 0;
872	    action0.flags = flags = 0;
873	    if (r_timeout() && r_statetrans(&action0, &action, A_TIMEOUT)) {
874		if (debug > 2)
875		    debug("flags:%08x buttons:%08x obuttons:%08x",
876			  action.flags, action.button, action.obutton);
877	    } else {
878		action0.obutton = action0.button;
879		continue;
880	    }
881	} else {
882	    /*  MouseRemote client connect/disconnect  */
883	    if ((rodent.mremsfd >= 0) && FD_ISSET(rodent.mremsfd, &fds)) {
884		mremote_clientchg(TRUE);
885		continue;
886	    }
887	    if ((rodent.mremcfd >= 0) && FD_ISSET(rodent.mremcfd, &fds)) {
888		mremote_clientchg(FALSE);
889		continue;
890	    }
891	    /* mouse movement */
892	    if (read(rodent.mfd, &b, 1) == -1) {
893		if (errno == EWOULDBLOCK)
894		    continue;
895		else
896		    return;
897	    }
898	    if ((flags = r_protocol(b, &action0)) == 0)
899		continue;
900	    r_timestamp(&action0);
901	    r_statetrans(&action0, &action,
902	    		 A(action0.button & MOUSE_BUTTON1DOWN,
903	    		   action0.button & MOUSE_BUTTON3DOWN));
904	    debug("flags:%08x buttons:%08x obuttons:%08x", action.flags,
905		  action.button, action.obutton);
906	}
907	action0.obutton = action0.button;
908	flags &= MOUSE_POSCHANGED;
909	flags |= action.obutton ^ action.button;
910	action.flags = flags;
911
912	if (flags) {			/* handler detected action */
913	    r_map(&action, &action2);
914	    debug("activity : buttons 0x%08x  dx %d  dy %d  dz %d",
915		action2.button, action2.dx, action2.dy, action2.dz);
916
917	    if (extioctl) {
918	        r_click(&action2);
919	        if (action2.flags & MOUSE_POSCHANGED) {
920    		    mouse.operation = MOUSE_MOTION_EVENT;
921	            mouse.u.data.buttons = action2.button;
922	            mouse.u.data.x = action2.dx;
923	            mouse.u.data.y = action2.dy;
924	            mouse.u.data.z = action2.dz;
925		    if (debug < 2)
926	                ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
927	        }
928	    } else {
929	        mouse.operation = MOUSE_ACTION;
930	        mouse.u.data.buttons = action2.button;
931	        mouse.u.data.x = action2.dx;
932	        mouse.u.data.y = action2.dy;
933	        mouse.u.data.z = action2.dz;
934		if (debug < 2)
935	            ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
936	    }
937
938            /*
939	     * If the Z axis movement is mapped to a imaginary physical
940	     * button, we need to cook up a corresponding button `up' event
941	     * after sending a button `down' event.
942	     */
943            if ((rodent.zmap[0] > 0) && (action.dz != 0)) {
944		action.obutton = action.button;
945		action.dx = action.dy = action.dz = 0;
946	        r_map(&action, &action2);
947	        debug("activity : buttons 0x%08x  dx %d  dy %d  dz %d",
948		    action2.button, action2.dx, action2.dy, action2.dz);
949
950	        if (extioctl) {
951	            r_click(&action2);
952	        } else {
953	            mouse.operation = MOUSE_ACTION;
954	            mouse.u.data.buttons = action2.button;
955		    mouse.u.data.x = mouse.u.data.y = mouse.u.data.z = 0;
956		    if (debug < 2)
957	                ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
958	        }
959	    }
960	}
961    }
962    /* NOT REACHED */
963}
964
965static void
966hup(int sig)
967{
968    longjmp(env, 1);
969}
970
971static void
972cleanup(int sig)
973{
974    if (rodent.rtype == MOUSE_PROTO_X10MOUSEREM)
975	unlink(_PATH_MOUSEREMOTE);
976    exit(0);
977}
978
979/**
980 ** usage
981 **
982 ** Complain, and free the CPU for more worthy tasks
983 **/
984static void
985usage(void)
986{
987    fprintf(stderr, "%s\n%s\n%s\n",
988	"usage: moused [-DRcdfs] [-I file] [-F rate] [-r resolution] [-S baudrate]",
989	"              [-C threshold] [-m N=M] [-w N] [-z N] [-t <mousetype>]",
990	"              [-3 [-E timeout]] -p <port>",
991	"       moused [-d] -i <info> -p <port>");
992    exit(1);
993}
994
995/**
996 ** Mouse interface code, courtesy of XFree86 3.1.2.
997 **
998 ** Note: Various bits have been trimmed, and in my shortsighted enthusiasm
999 ** to clean, reformat and rationalise naming, it's quite possible that
1000 ** some things in here have been broken.
1001 **
1002 ** I hope not 8)
1003 **
1004 ** The following code is derived from a module marked :
1005 **/
1006
1007/* $XConsortium: xf86_Mouse.c,v 1.2 94/10/12 20:33:21 kaleb Exp $ */
1008/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86_Mouse.c,v 3.2 1995/01/28
1009 17:03:40 dawes Exp $ */
1010/*
1011 *
1012 * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
1013 * Copyright 1993 by David Dawes <dawes@physics.su.oz.au>
1014 *
1015 * Permission to use, copy, modify, distribute, and sell this software and its
1016 * documentation for any purpose is hereby granted without fee, provided that
1017 * the above copyright notice appear in all copies and that both that
1018 * copyright notice and this permission notice appear in supporting
1019 * documentation, and that the names of Thomas Roell and David Dawes not be
1020 * used in advertising or publicity pertaining to distribution of the
1021 * software without specific, written prior permission.  Thomas Roell
1022 * and David Dawes makes no representations about the suitability of this
1023 * software for any purpose.  It is provided "as is" without express or
1024 * implied warranty.
1025 *
1026 * THOMAS ROELL AND DAVID DAWES DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
1027 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
1028 * FITNESS, IN NO EVENT SHALL THOMAS ROELL OR DAVID DAWES BE LIABLE FOR ANY
1029 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
1030 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
1031 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
1032 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1033 *
1034 */
1035
1036/**
1037 ** GlidePoint support from XFree86 3.2.
1038 ** Derived from the module:
1039 **/
1040
1041/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86_Mouse.c,v 3.19 1996/10/16 14:40:51 dawes Exp $ */
1042/* $XConsortium: xf86_Mouse.c /main/10 1996/01/30 15:16:12 kaleb $ */
1043
1044/* the following table must be ordered by MOUSE_PROTO_XXX in mouse.h */
1045static unsigned char proto[][7] = {
1046    /*  hd_mask hd_id   dp_mask dp_id   bytes b4_mask b4_id */
1047    { 	0x40,	0x40,	0x40,	0x00,	3,   ~0x23,  0x00 }, /* MicroSoft */
1048    {	0xf8,	0x80,	0x00,	0x00,	5,    0x00,  0xff }, /* MouseSystems */
1049    {	0xe0,	0x80,	0x80,	0x00,	3,    0x00,  0xff }, /* Logitech */
1050    {	0xe0,	0x80,	0x80,	0x00,	3,    0x00,  0xff }, /* MMSeries */
1051    { 	0x40,	0x40,	0x40,	0x00,	3,   ~0x33,  0x00 }, /* MouseMan */
1052    {	0xf8,	0x80,	0x00,	0x00,	5,    0x00,  0xff }, /* Bus */
1053    {	0xf8,	0x80,	0x00,	0x00,	5,    0x00,  0xff }, /* InPort */
1054    {	0xc0,	0x00,	0x00,	0x00,	3,    0x00,  0xff }, /* PS/2 mouse */
1055    {	0xe0,	0x80,	0x80,	0x00,	3,    0x00,  0xff }, /* MM HitTablet */
1056    { 	0x40,	0x40,	0x40,	0x00,	3,   ~0x33,  0x00 }, /* GlidePoint */
1057    { 	0x40,	0x40,	0x40,	0x00,	3,   ~0x3f,  0x00 }, /* IntelliMouse */
1058    { 	0x40,	0x40,	0x40,	0x00,	3,   ~0x33,  0x00 }, /* ThinkingMouse */
1059    {	0xf8,	0x80,	0x00,	0x00,	5,    0x00,  0xff }, /* sysmouse */
1060    { 	0x40,	0x40,	0x40,	0x00,	3,   ~0x23,  0x00 }, /* X10 MouseRem */
1061    {	0x80,	0x80,	0x00,	0x00,	5,    0x00,  0xff }, /* KIDSPAD */
1062    {	0xc3,	0xc0,	0x00,	0x00,	6,    0x00,  0xff }, /* VersaPad */
1063#if notyet
1064    {	0xf8,	0x80,	0x00,	0x00,	5,   ~0x2f,  0x10 }, /* Mariqua */
1065#endif
1066};
1067static unsigned char cur_proto[7];
1068
1069static int
1070r_identify(void)
1071{
1072    char pnpbuf[256];	/* PnP identifier string may be up to 256 bytes long */
1073    pnpid_t pnpid;
1074    symtab_t *t;
1075    int level;
1076    int len;
1077
1078    /* set the driver operation level, if applicable */
1079    if (rodent.level < 0)
1080	rodent.level = 1;
1081    ioctl(rodent.mfd, MOUSE_SETLEVEL, &rodent.level);
1082    rodent.level = (ioctl(rodent.mfd, MOUSE_GETLEVEL, &level) == 0) ? level : 0;
1083
1084    /*
1085     * Interrogate the driver and get some intelligence on the device...
1086     * The following ioctl functions are not always supported by device
1087     * drivers.  When the driver doesn't support them, we just trust the
1088     * user to supply valid information.
1089     */
1090    rodent.hw.iftype = MOUSE_IF_UNKNOWN;
1091    rodent.hw.model = MOUSE_MODEL_GENERIC;
1092    ioctl(rodent.mfd, MOUSE_GETHWINFO, &rodent.hw);
1093
1094    if (rodent.rtype != MOUSE_PROTO_UNKNOWN)
1095        bcopy(proto[rodent.rtype], cur_proto, sizeof(cur_proto));
1096    rodent.mode.protocol = MOUSE_PROTO_UNKNOWN;
1097    rodent.mode.rate = -1;
1098    rodent.mode.resolution = MOUSE_RES_UNKNOWN;
1099    rodent.mode.accelfactor = 0;
1100    rodent.mode.level = 0;
1101    if (ioctl(rodent.mfd, MOUSE_GETMODE, &rodent.mode) == 0) {
1102        if ((rodent.mode.protocol == MOUSE_PROTO_UNKNOWN)
1103	    || (rodent.mode.protocol >= sizeof(proto)/sizeof(proto[0]))) {
1104	    logwarnx("unknown mouse protocol (%d)", rodent.mode.protocol);
1105	    return MOUSE_PROTO_UNKNOWN;
1106        } else {
1107	    /* INPORT and BUS are the same... */
1108	    if (rodent.mode.protocol == MOUSE_PROTO_INPORT)
1109	        rodent.mode.protocol = MOUSE_PROTO_BUS;
1110	    if (rodent.mode.protocol != rodent.rtype) {
1111		/* Hmm, the driver doesn't agree with the user... */
1112                if (rodent.rtype != MOUSE_PROTO_UNKNOWN)
1113	            logwarnx("mouse type mismatch (%s != %s), %s is assumed",
1114		        r_name(rodent.mode.protocol), r_name(rodent.rtype),
1115		        r_name(rodent.mode.protocol));
1116	        rodent.rtype = rodent.mode.protocol;
1117                bcopy(proto[rodent.rtype], cur_proto, sizeof(cur_proto));
1118	    }
1119        }
1120        cur_proto[4] = rodent.mode.packetsize;
1121        cur_proto[0] = rodent.mode.syncmask[0];	/* header byte bit mask */
1122        cur_proto[1] = rodent.mode.syncmask[1];	/* header bit pattern */
1123    }
1124
1125    /* maybe this is an PnP mouse... */
1126    if (rodent.mode.protocol == MOUSE_PROTO_UNKNOWN) {
1127
1128        if (rodent.flags & NoPnP)
1129            return rodent.rtype;
1130	if (((len = pnpgets(pnpbuf)) <= 0) || !pnpparse(&pnpid, pnpbuf, len))
1131            return rodent.rtype;
1132
1133        debug("PnP serial mouse: '%*.*s' '%*.*s' '%*.*s'",
1134	    pnpid.neisaid, pnpid.neisaid, pnpid.eisaid,
1135	    pnpid.ncompat, pnpid.ncompat, pnpid.compat,
1136	    pnpid.ndescription, pnpid.ndescription, pnpid.description);
1137
1138	/* we have a valid PnP serial device ID */
1139        rodent.hw.iftype = MOUSE_IF_SERIAL;
1140	t = pnpproto(&pnpid);
1141	if (t != NULL) {
1142            rodent.mode.protocol = t->val;
1143            rodent.hw.model = t->val2;
1144	} else {
1145            rodent.mode.protocol = MOUSE_PROTO_UNKNOWN;
1146	}
1147	if (rodent.mode.protocol == MOUSE_PROTO_INPORT)
1148	    rodent.mode.protocol = MOUSE_PROTO_BUS;
1149
1150        /* make final adjustment */
1151	if (rodent.mode.protocol != MOUSE_PROTO_UNKNOWN) {
1152	    if (rodent.mode.protocol != rodent.rtype) {
1153		/* Hmm, the device doesn't agree with the user... */
1154                if (rodent.rtype != MOUSE_PROTO_UNKNOWN)
1155	            logwarnx("mouse type mismatch (%s != %s), %s is assumed",
1156		        r_name(rodent.mode.protocol), r_name(rodent.rtype),
1157		        r_name(rodent.mode.protocol));
1158	        rodent.rtype = rodent.mode.protocol;
1159                bcopy(proto[rodent.rtype], cur_proto, sizeof(cur_proto));
1160	    }
1161	}
1162    }
1163
1164    debug("proto params: %02x %02x %02x %02x %d %02x %02x",
1165	cur_proto[0], cur_proto[1], cur_proto[2], cur_proto[3],
1166	cur_proto[4], cur_proto[5], cur_proto[6]);
1167
1168    return rodent.rtype;
1169}
1170
1171static char *
1172r_if(int iftype)
1173{
1174    char *s;
1175
1176    s = gettokenname(rifs, iftype);
1177    return (s == NULL) ? "unknown" : s;
1178}
1179
1180static char *
1181r_name(int type)
1182{
1183    return ((type == MOUSE_PROTO_UNKNOWN)
1184	|| (type > sizeof(rnames)/sizeof(rnames[0]) - 1))
1185	? "unknown" : rnames[type];
1186}
1187
1188static char *
1189r_model(int model)
1190{
1191    char *s;
1192
1193    s = gettokenname(rmodels, model);
1194    return (s == NULL) ? "unknown" : s;
1195}
1196
1197static void
1198r_init(void)
1199{
1200    unsigned char buf[16];	/* scrach buffer */
1201    fd_set fds;
1202    char *s;
1203    char c;
1204    int i;
1205
1206    /**
1207     ** This comment is a little out of context here, but it contains
1208     ** some useful information...
1209     ********************************************************************
1210     **
1211     ** The following lines take care of the Logitech MouseMan protocols.
1212     **
1213     ** NOTE: There are different versions of both MouseMan and TrackMan!
1214     **       Hence I add another protocol P_LOGIMAN, which the user can
1215     **       specify as MouseMan in his XF86Config file. This entry was
1216     **       formerly handled as a special case of P_MS. However, people
1217     **       who don't have the middle button problem, can still specify
1218     **       Microsoft and use P_MS.
1219     **
1220     ** By default, these mice should use a 3 byte Microsoft protocol
1221     ** plus a 4th byte for the middle button. However, the mouse might
1222     ** have switched to a different protocol before we use it, so I send
1223     ** the proper sequence just in case.
1224     **
1225     ** NOTE: - all commands to (at least the European) MouseMan have to
1226     **         be sent at 1200 Baud.
1227     **       - each command starts with a '*'.
1228     **       - whenever the MouseMan receives a '*', it will switch back
1229     **	 to 1200 Baud. Hence I have to select the desired protocol
1230     **	 first, then select the baud rate.
1231     **
1232     ** The protocols supported by the (European) MouseMan are:
1233     **   -  5 byte packed binary protocol, as with the Mouse Systems
1234     **      mouse. Selected by sequence "*U".
1235     **   -  2 button 3 byte MicroSoft compatible protocol. Selected
1236     **      by sequence "*V".
1237     **   -  3 button 3+1 byte MicroSoft compatible protocol (default).
1238     **      Selected by sequence "*X".
1239     **
1240     ** The following baud rates are supported:
1241     **   -  1200 Baud (default). Selected by sequence "*n".
1242     **   -  9600 Baud. Selected by sequence "*q".
1243     **
1244     ** Selecting a sample rate is no longer supported with the MouseMan!
1245     ** Some additional lines in xf86Config.c take care of ill configured
1246     ** baud rates and sample rates. (The user will get an error.)
1247     */
1248
1249    switch (rodent.rtype) {
1250
1251    case MOUSE_PROTO_LOGI:
1252	/*
1253	 * The baud rate selection command must be sent at the current
1254	 * baud rate; try all likely settings
1255	 */
1256	setmousespeed(9600, rodent.baudrate, rodentcflags[rodent.rtype]);
1257	setmousespeed(4800, rodent.baudrate, rodentcflags[rodent.rtype]);
1258	setmousespeed(2400, rodent.baudrate, rodentcflags[rodent.rtype]);
1259	setmousespeed(1200, rodent.baudrate, rodentcflags[rodent.rtype]);
1260	/* select MM series data format */
1261	write(rodent.mfd, "S", 1);
1262	setmousespeed(rodent.baudrate, rodent.baudrate,
1263		      rodentcflags[MOUSE_PROTO_MM]);
1264	/* select report rate/frequency */
1265	if      (rodent.rate <= 0)   write(rodent.mfd, "O", 1);
1266	else if (rodent.rate <= 15)  write(rodent.mfd, "J", 1);
1267	else if (rodent.rate <= 27)  write(rodent.mfd, "K", 1);
1268	else if (rodent.rate <= 42)  write(rodent.mfd, "L", 1);
1269	else if (rodent.rate <= 60)  write(rodent.mfd, "R", 1);
1270	else if (rodent.rate <= 85)  write(rodent.mfd, "M", 1);
1271	else if (rodent.rate <= 125) write(rodent.mfd, "Q", 1);
1272	else			     write(rodent.mfd, "N", 1);
1273	break;
1274
1275    case MOUSE_PROTO_LOGIMOUSEMAN:
1276	/* The command must always be sent at 1200 baud */
1277	setmousespeed(1200, 1200, rodentcflags[rodent.rtype]);
1278	write(rodent.mfd, "*X", 2);
1279	setmousespeed(1200, rodent.baudrate, rodentcflags[rodent.rtype]);
1280	break;
1281
1282    case MOUSE_PROTO_HITTAB:
1283	setmousespeed(1200, rodent.baudrate, rodentcflags[rodent.rtype]);
1284
1285	/*
1286	 * Initialize Hitachi PUMA Plus - Model 1212E to desired settings.
1287	 * The tablet must be configured to be in MM mode, NO parity,
1288	 * Binary Format.  xf86Info.sampleRate controls the sensativity
1289	 * of the tablet.  We only use this tablet for it's 4-button puck
1290	 * so we don't run in "Absolute Mode"
1291	 */
1292	write(rodent.mfd, "z8", 2);	/* Set Parity = "NONE" */
1293	usleep(50000);
1294	write(rodent.mfd, "zb", 2);	/* Set Format = "Binary" */
1295	usleep(50000);
1296	write(rodent.mfd, "@", 1);	/* Set Report Mode = "Stream" */
1297	usleep(50000);
1298	write(rodent.mfd, "R", 1);	/* Set Output Rate = "45 rps" */
1299	usleep(50000);
1300	write(rodent.mfd, "I\x20", 2);	/* Set Incrememtal Mode "20" */
1301	usleep(50000);
1302	write(rodent.mfd, "E", 1);	/* Set Data Type = "Relative */
1303	usleep(50000);
1304
1305	/* Resolution is in 'lines per inch' on the Hitachi tablet */
1306	if      (rodent.resolution == MOUSE_RES_LOW) 		c = 'g';
1307	else if (rodent.resolution == MOUSE_RES_MEDIUMLOW)	c = 'e';
1308	else if (rodent.resolution == MOUSE_RES_MEDIUMHIGH)	c = 'h';
1309	else if (rodent.resolution == MOUSE_RES_HIGH)		c = 'd';
1310	else if (rodent.resolution <=   40) 			c = 'g';
1311	else if (rodent.resolution <=  100) 			c = 'd';
1312	else if (rodent.resolution <=  200) 			c = 'e';
1313	else if (rodent.resolution <=  500) 			c = 'h';
1314	else if (rodent.resolution <= 1000) 			c = 'j';
1315	else                                			c = 'd';
1316	write(rodent.mfd, &c, 1);
1317	usleep(50000);
1318
1319	write(rodent.mfd, "\021", 1);	/* Resume DATA output */
1320	break;
1321
1322    case MOUSE_PROTO_THINK:
1323	setmousespeed(1200, rodent.baudrate, rodentcflags[rodent.rtype]);
1324	/* the PnP ID string may be sent again, discard it */
1325	usleep(200000);
1326	i = FREAD;
1327	ioctl(rodent.mfd, TIOCFLUSH, &i);
1328	/* send the command to initialize the beast */
1329	for (s = "E5E5"; *s; ++s) {
1330	    write(rodent.mfd, s, 1);
1331	    FD_ZERO(&fds);
1332	    FD_SET(rodent.mfd, &fds);
1333	    if (select(FD_SETSIZE, &fds, NULL, NULL, NULL) <= 0)
1334		break;
1335	    read(rodent.mfd, &c, 1);
1336	    debug("%c", c);
1337	    if (c != *s)
1338	        break;
1339	}
1340	break;
1341
1342    case MOUSE_PROTO_MSC:
1343	setmousespeed(1200, rodent.baudrate, rodentcflags[rodent.rtype]);
1344	if (rodent.flags & ClearDTR) {
1345	   i = TIOCM_DTR;
1346	   ioctl(rodent.mfd, TIOCMBIC, &i);
1347        }
1348        if (rodent.flags & ClearRTS) {
1349	   i = TIOCM_RTS;
1350	   ioctl(rodent.mfd, TIOCMBIC, &i);
1351        }
1352	break;
1353
1354    case MOUSE_PROTO_SYSMOUSE:
1355	if (rodent.hw.iftype == MOUSE_IF_SYSMOUSE)
1356	    setmousespeed(1200, rodent.baudrate, rodentcflags[rodent.rtype]);
1357	/* fall through */
1358
1359    case MOUSE_PROTO_BUS:
1360    case MOUSE_PROTO_INPORT:
1361    case MOUSE_PROTO_PS2:
1362	if (rodent.rate >= 0)
1363	    rodent.mode.rate = rodent.rate;
1364	if (rodent.resolution != MOUSE_RES_UNKNOWN)
1365	    rodent.mode.resolution = rodent.resolution;
1366	ioctl(rodent.mfd, MOUSE_SETMODE, &rodent.mode);
1367	break;
1368
1369    case MOUSE_PROTO_X10MOUSEREM:
1370	mremote_serversetup();
1371	setmousespeed(1200, rodent.baudrate, rodentcflags[rodent.rtype]);
1372	break;
1373
1374
1375    case MOUSE_PROTO_VERSAPAD:
1376	tcsendbreak(rodent.mfd, 0);	/* send break for 400 msec */
1377	i = FREAD;
1378	ioctl(rodent.mfd, TIOCFLUSH, &i);
1379	for (i = 0; i < 7; ++i) {
1380	    FD_ZERO(&fds);
1381	    FD_SET(rodent.mfd, &fds);
1382	    if (select(FD_SETSIZE, &fds, NULL, NULL, NULL) <= 0)
1383		break;
1384	    read(rodent.mfd, &c, 1);
1385	    buf[i] = c;
1386	}
1387	debug("%s\n", buf);
1388	if ((buf[0] != 'V') || (buf[1] != 'P')|| (buf[7] != '\r'))
1389	    break;
1390	setmousespeed(9600, rodent.baudrate, rodentcflags[rodent.rtype]);
1391	tcsendbreak(rodent.mfd, 0);	/* send break for 400 msec again */
1392	for (i = 0; i < 7; ++i) {
1393	    FD_ZERO(&fds);
1394	    FD_SET(rodent.mfd, &fds);
1395	    if (select(FD_SETSIZE, &fds, NULL, NULL, NULL) <= 0)
1396		break;
1397	    read(rodent.mfd, &c, 1);
1398	    debug("%c", c);
1399	    if (c != buf[i])
1400		break;
1401	}
1402	i = FREAD;
1403	ioctl(rodent.mfd, TIOCFLUSH, &i);
1404	break;
1405
1406    default:
1407	setmousespeed(1200, rodent.baudrate, rodentcflags[rodent.rtype]);
1408	break;
1409    }
1410}
1411
1412static int
1413r_protocol(u_char rBuf, mousestatus_t *act)
1414{
1415    /* MOUSE_MSS_BUTTON?DOWN -> MOUSE_BUTTON?DOWN */
1416    static int butmapmss[4] = {	/* Microsoft, MouseMan, GlidePoint,
1417				   IntelliMouse, Thinking Mouse */
1418	0,
1419	MOUSE_BUTTON3DOWN,
1420	MOUSE_BUTTON1DOWN,
1421	MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN,
1422    };
1423    static int butmapmss2[4] = { /* Microsoft, MouseMan, GlidePoint,
1424				    Thinking Mouse */
1425	0,
1426	MOUSE_BUTTON4DOWN,
1427	MOUSE_BUTTON2DOWN,
1428	MOUSE_BUTTON2DOWN | MOUSE_BUTTON4DOWN,
1429    };
1430    /* MOUSE_INTELLI_BUTTON?DOWN -> MOUSE_BUTTON?DOWN */
1431    static int butmapintelli[4] = { /* IntelliMouse, NetMouse, Mie Mouse,
1432				       MouseMan+ */
1433	0,
1434	MOUSE_BUTTON2DOWN,
1435	MOUSE_BUTTON4DOWN,
1436	MOUSE_BUTTON2DOWN | MOUSE_BUTTON4DOWN,
1437    };
1438    /* MOUSE_MSC_BUTTON?UP -> MOUSE_BUTTON?DOWN */
1439    static int butmapmsc[8] = {	/* MouseSystems, MMSeries, Logitech,
1440				   Bus, sysmouse */
1441	0,
1442	MOUSE_BUTTON3DOWN,
1443	MOUSE_BUTTON2DOWN,
1444	MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN,
1445	MOUSE_BUTTON1DOWN,
1446	MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN,
1447	MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN,
1448	MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN
1449    };
1450    /* MOUSE_PS2_BUTTON?DOWN -> MOUSE_BUTTON?DOWN */
1451    static int butmapps2[8] = {	/* PS/2 */
1452	0,
1453	MOUSE_BUTTON1DOWN,
1454	MOUSE_BUTTON3DOWN,
1455	MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN,
1456	MOUSE_BUTTON2DOWN,
1457	MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN,
1458	MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN,
1459	MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN
1460    };
1461    /* for Hitachi tablet */
1462    static int butmaphit[8] = {	/* MM HitTablet */
1463	0,
1464	MOUSE_BUTTON3DOWN,
1465	MOUSE_BUTTON2DOWN,
1466	MOUSE_BUTTON1DOWN,
1467	MOUSE_BUTTON4DOWN,
1468	MOUSE_BUTTON5DOWN,
1469	MOUSE_BUTTON6DOWN,
1470	MOUSE_BUTTON7DOWN,
1471    };
1472    /* for serial VersaPad */
1473    static int butmapversa[8] = { /* VersaPad */
1474	0,
1475	0,
1476	MOUSE_BUTTON3DOWN,
1477	MOUSE_BUTTON3DOWN,
1478	MOUSE_BUTTON1DOWN,
1479	MOUSE_BUTTON1DOWN,
1480	MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN,
1481	MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN,
1482    };
1483    /* for PS/2 VersaPad */
1484    static int butmapversaps2[8] = { /* VersaPad */
1485	0,
1486	MOUSE_BUTTON3DOWN,
1487	0,
1488	MOUSE_BUTTON3DOWN,
1489	MOUSE_BUTTON1DOWN,
1490	MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN,
1491	MOUSE_BUTTON1DOWN,
1492	MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN,
1493    };
1494    static int           pBufP = 0;
1495    static unsigned char pBuf[8];
1496    static int		 prev_x, prev_y;
1497    static int		 on = FALSE;
1498    int			 x, y;
1499
1500    debug("received char 0x%x",(int)rBuf);
1501    if (rodent.rtype == MOUSE_PROTO_KIDSPAD)
1502	return kidspad(rBuf, act) ;
1503
1504    /*
1505     * Hack for resyncing: We check here for a package that is:
1506     *  a) illegal (detected by wrong data-package header)
1507     *  b) invalid (0x80 == -128 and that might be wrong for MouseSystems)
1508     *  c) bad header-package
1509     *
1510     * NOTE: b) is a voilation of the MouseSystems-Protocol, since values of
1511     *       -128 are allowed, but since they are very seldom we can easily
1512     *       use them as package-header with no button pressed.
1513     * NOTE/2: On a PS/2 mouse any byte is valid as a data byte. Furthermore,
1514     *         0x80 is not valid as a header byte. For a PS/2 mouse we skip
1515     *         checking data bytes.
1516     *         For resyncing a PS/2 mouse we require the two most significant
1517     *         bits in the header byte to be 0. These are the overflow bits,
1518     *         and in case of an overflow we actually lose sync. Overflows
1519     *         are very rare, however, and we quickly gain sync again after
1520     *         an overflow condition. This is the best we can do. (Actually,
1521     *         we could use bit 0x08 in the header byte for resyncing, since
1522     *         that bit is supposed to be always on, but nobody told
1523     *         Microsoft...)
1524     */
1525
1526    if (pBufP != 0 && rodent.rtype != MOUSE_PROTO_PS2 &&
1527	((rBuf & cur_proto[2]) != cur_proto[3] || rBuf == 0x80))
1528    {
1529	pBufP = 0;		/* skip package */
1530    }
1531
1532    if (pBufP == 0 && (rBuf & cur_proto[0]) != cur_proto[1])
1533	return 0;
1534
1535    /* is there an extra data byte? */
1536    if (pBufP >= cur_proto[4] && (rBuf & cur_proto[0]) != cur_proto[1])
1537    {
1538	/*
1539	 * Hack for Logitech MouseMan Mouse - Middle button
1540	 *
1541	 * Unfortunately this mouse has variable length packets: the standard
1542	 * Microsoft 3 byte packet plus an optional 4th byte whenever the
1543	 * middle button status changes.
1544	 *
1545	 * We have already processed the standard packet with the movement
1546	 * and button info.  Now post an event message with the old status
1547	 * of the left and right buttons and the updated middle button.
1548	 */
1549
1550	/*
1551	 * Even worse, different MouseMen and TrackMen differ in the 4th
1552	 * byte: some will send 0x00/0x20, others 0x01/0x21, or even
1553	 * 0x02/0x22, so I have to strip off the lower bits.
1554         *
1555         * [JCH-96/01/21]
1556         * HACK for ALPS "fourth button". (It's bit 0x10 of the "fourth byte"
1557         * and it is activated by tapping the glidepad with the finger! 8^)
1558         * We map it to bit bit3, and the reverse map in xf86Events just has
1559         * to be extended so that it is identified as Button 4. The lower
1560         * half of the reverse-map may remain unchanged.
1561	 */
1562
1563        /*
1564	 * [KY-97/08/03]
1565	 * Receive the fourth byte only when preceding three bytes have
1566	 * been detected (pBufP >= cur_proto[4]).  In the previous
1567	 * versions, the test was pBufP == 0; thus, we may have mistakingly
1568	 * received a byte even if we didn't see anything preceding
1569	 * the byte.
1570	 */
1571
1572	if ((rBuf & cur_proto[5]) != cur_proto[6]) {
1573            pBufP = 0;
1574	    return 0;
1575	}
1576
1577	switch (rodent.rtype) {
1578#if notyet
1579	case MOUSE_PROTO_MARIQUA:
1580	    /*
1581	     * This mouse has 16! buttons in addition to the standard
1582	     * three of them.  They return 0x10 though 0x1f in the
1583	     * so-called `ten key' mode and 0x30 though 0x3f in the
1584	     * `function key' mode.  As there are only 31 bits for
1585	     * button state (including the standard three), we ignore
1586	     * the bit 0x20 and don't distinguish the two modes.
1587	     */
1588	    act->dx = act->dy = act->dz = 0;
1589	    act->obutton = act->button;
1590	    rBuf &= 0x1f;
1591	    act->button = (1 << (rBuf - 13))
1592                | (act->obutton & (MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN));
1593	    /*
1594	     * FIXME: this is a button "down" event. There needs to be
1595	     * a corresponding button "up" event... XXX
1596	     */
1597	    break;
1598#endif /* notyet */
1599
1600	/*
1601	 * IntelliMouse, NetMouse (including NetMouse Pro) and Mie Mouse
1602	 * always send the fourth byte, whereas the fourth byte is
1603	 * optional for GlidePoint and ThinkingMouse. The fourth byte
1604	 * is also optional for MouseMan+ and FirstMouse+ in their
1605	 * native mode. It is always sent if they are in the IntelliMouse
1606	 * compatible mode.
1607	 */
1608	case MOUSE_PROTO_INTELLI:	/* IntelliMouse, NetMouse, Mie Mouse,
1609					   MouseMan+ */
1610	    act->dx = act->dy = 0;
1611	    act->dz = (rBuf & 0x08) ? (rBuf & 0x0f) - 16 : (rBuf & 0x0f);
1612	    if ((act->dz >= 7) || (act->dz <= -7))
1613		act->dz = 0;
1614	    act->obutton = act->button;
1615	    act->button = butmapintelli[(rBuf & MOUSE_MSS_BUTTONS) >> 4]
1616		| (act->obutton & (MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN));
1617	    break;
1618
1619	default:
1620	    act->dx = act->dy = act->dz = 0;
1621	    act->obutton = act->button;
1622	    act->button = butmapmss2[(rBuf & MOUSE_MSS_BUTTONS) >> 4]
1623		| (act->obutton & (MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN));
1624	    break;
1625	}
1626
1627	act->flags = ((act->dx || act->dy || act->dz) ? MOUSE_POSCHANGED : 0)
1628	    | (act->obutton ^ act->button);
1629        pBufP = 0;
1630	return act->flags;
1631    }
1632
1633    if (pBufP >= cur_proto[4])
1634	pBufP = 0;
1635    pBuf[pBufP++] = rBuf;
1636    if (pBufP != cur_proto[4])
1637	return 0;
1638
1639    /*
1640     * assembly full package
1641     */
1642
1643    debug("assembled full packet (len %d) %x,%x,%x,%x,%x,%x,%x,%x",
1644	cur_proto[4],
1645	pBuf[0], pBuf[1], pBuf[2], pBuf[3],
1646	pBuf[4], pBuf[5], pBuf[6], pBuf[7]);
1647
1648    act->dz = 0;
1649    act->obutton = act->button;
1650    switch (rodent.rtype)
1651    {
1652    case MOUSE_PROTO_MS:		/* Microsoft */
1653    case MOUSE_PROTO_LOGIMOUSEMAN:	/* MouseMan/TrackMan */
1654    case MOUSE_PROTO_X10MOUSEREM:	/* X10 MouseRemote */
1655	act->button = act->obutton & MOUSE_BUTTON4DOWN;
1656	if (rodent.flags & ChordMiddle)
1657	    act->button |= ((pBuf[0] & MOUSE_MSS_BUTTONS) == MOUSE_MSS_BUTTONS)
1658		? MOUSE_BUTTON2DOWN
1659		: butmapmss[(pBuf[0] & MOUSE_MSS_BUTTONS) >> 4];
1660	else
1661	    act->button |= (act->obutton & MOUSE_BUTTON2DOWN)
1662		| butmapmss[(pBuf[0] & MOUSE_MSS_BUTTONS) >> 4];
1663
1664	/* Send X10 btn events to remote client (ensure -128-+127 range) */
1665	if ((rodent.rtype == MOUSE_PROTO_X10MOUSEREM) &&
1666	    ((pBuf[0] & 0xFC) == 0x44) && (pBuf[2] == 0x3F)) {
1667	    if (rodent.mremcfd >= 0) {
1668		unsigned char key = (signed char)(((pBuf[0] & 0x03) << 6) |
1669						  (pBuf[1] & 0x3F));
1670		write( rodent.mremcfd, &key, 1 );
1671	    }
1672	    return 0;
1673	}
1674
1675	act->dx = (char)(((pBuf[0] & 0x03) << 6) | (pBuf[1] & 0x3F));
1676	act->dy = (char)(((pBuf[0] & 0x0C) << 4) | (pBuf[2] & 0x3F));
1677	break;
1678
1679    case MOUSE_PROTO_GLIDEPOINT:	/* GlidePoint */
1680    case MOUSE_PROTO_THINK:		/* ThinkingMouse */
1681    case MOUSE_PROTO_INTELLI:		/* IntelliMouse, NetMouse, Mie Mouse,
1682					   MouseMan+ */
1683	act->button = (act->obutton & (MOUSE_BUTTON2DOWN | MOUSE_BUTTON4DOWN))
1684            | butmapmss[(pBuf[0] & MOUSE_MSS_BUTTONS) >> 4];
1685	act->dx = (char)(((pBuf[0] & 0x03) << 6) | (pBuf[1] & 0x3F));
1686	act->dy = (char)(((pBuf[0] & 0x0C) << 4) | (pBuf[2] & 0x3F));
1687	break;
1688
1689    case MOUSE_PROTO_MSC:		/* MouseSystems Corp */
1690#if notyet
1691    case MOUSE_PROTO_MARIQUA:		/* Mariqua */
1692#endif
1693	act->button = butmapmsc[(~pBuf[0]) & MOUSE_MSC_BUTTONS];
1694	act->dx =    (char)(pBuf[1]) + (char)(pBuf[3]);
1695	act->dy = - ((char)(pBuf[2]) + (char)(pBuf[4]));
1696	break;
1697
1698    case MOUSE_PROTO_HITTAB:		/* MM HitTablet */
1699	act->button = butmaphit[pBuf[0] & 0x07];
1700	act->dx = (pBuf[0] & MOUSE_MM_XPOSITIVE) ?   pBuf[1] : - pBuf[1];
1701	act->dy = (pBuf[0] & MOUSE_MM_YPOSITIVE) ? - pBuf[2] :   pBuf[2];
1702	break;
1703
1704    case MOUSE_PROTO_MM:		/* MM Series */
1705    case MOUSE_PROTO_LOGI:		/* Logitech Mice */
1706	act->button = butmapmsc[pBuf[0] & MOUSE_MSC_BUTTONS];
1707	act->dx = (pBuf[0] & MOUSE_MM_XPOSITIVE) ?   pBuf[1] : - pBuf[1];
1708	act->dy = (pBuf[0] & MOUSE_MM_YPOSITIVE) ? - pBuf[2] :   pBuf[2];
1709	break;
1710
1711    case MOUSE_PROTO_VERSAPAD:		/* VersaPad */
1712	act->button = butmapversa[(pBuf[0] & MOUSE_VERSA_BUTTONS) >> 3];
1713	act->button |= (pBuf[0] & MOUSE_VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0;
1714	act->dx = act->dy = 0;
1715	if (!(pBuf[0] & MOUSE_VERSA_IN_USE)) {
1716	    on = FALSE;
1717	    break;
1718	}
1719	x = (pBuf[2] << 6) | pBuf[1];
1720	if (x & 0x800)
1721	    x -= 0x1000;
1722	y = (pBuf[4] << 6) | pBuf[3];
1723	if (y & 0x800)
1724	    y -= 0x1000;
1725	if (on) {
1726	    act->dx = prev_x - x;
1727	    act->dy = prev_y - y;
1728	} else {
1729	    on = TRUE;
1730	}
1731	prev_x = x;
1732	prev_y = y;
1733	break;
1734
1735    case MOUSE_PROTO_BUS:		/* Bus */
1736    case MOUSE_PROTO_INPORT:		/* InPort */
1737	act->button = butmapmsc[(~pBuf[0]) & MOUSE_MSC_BUTTONS];
1738	act->dx =   (char)pBuf[1];
1739	act->dy = - (char)pBuf[2];
1740	break;
1741
1742    case MOUSE_PROTO_PS2:		/* PS/2 */
1743	act->button = butmapps2[pBuf[0] & MOUSE_PS2_BUTTONS];
1744	act->dx = (pBuf[0] & MOUSE_PS2_XNEG) ?    pBuf[1] - 256  :  pBuf[1];
1745	act->dy = (pBuf[0] & MOUSE_PS2_YNEG) ?  -(pBuf[2] - 256) : -pBuf[2];
1746	/*
1747	 * Moused usually operates the psm driver at the operation level 1
1748	 * which sends mouse data in MOUSE_PROTO_SYSMOUSE protocol.
1749	 * The following code takes effect only when the user explicitly
1750	 * requets the level 2 at which wheel movement and additional button
1751	 * actions are encoded in model-dependent formats. At the level 0
1752	 * the following code is no-op because the psm driver says the model
1753	 * is MOUSE_MODEL_GENERIC.
1754	 */
1755	switch (rodent.hw.model) {
1756	case MOUSE_MODEL_EXPLORER:
1757	    /* wheel and additional button data is in the fourth byte */
1758	    act->dz = (pBuf[3] & MOUSE_EXPLORER_ZNEG)
1759		? (pBuf[3] & 0x0f) - 16 : (pBuf[3] & 0x0f);
1760	    act->button |= (pBuf[3] & MOUSE_EXPLORER_BUTTON4DOWN)
1761		? MOUSE_BUTTON4DOWN : 0;
1762	    act->button |= (pBuf[3] & MOUSE_EXPLORER_BUTTON5DOWN)
1763		? MOUSE_BUTTON5DOWN : 0;
1764	    break;
1765	case MOUSE_MODEL_INTELLI:
1766	case MOUSE_MODEL_NET:
1767	    /* wheel data is in the fourth byte */
1768	    act->dz = (char)pBuf[3];
1769	    if ((act->dz >= 7) || (act->dz <= -7))
1770		act->dz = 0;
1771	    /* some compatible mice may have additional buttons */
1772	    act->button |= (pBuf[0] & MOUSE_PS2INTELLI_BUTTON4DOWN)
1773		? MOUSE_BUTTON4DOWN : 0;
1774	    act->button |= (pBuf[0] & MOUSE_PS2INTELLI_BUTTON5DOWN)
1775		? MOUSE_BUTTON5DOWN : 0;
1776	    break;
1777	case MOUSE_MODEL_MOUSEMANPLUS:
1778	    if (((pBuf[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC)
1779		    && (abs(act->dx) > 191)
1780		    && MOUSE_PS2PLUS_CHECKBITS(pBuf)) {
1781		/* the extended data packet encodes button and wheel events */
1782		switch (MOUSE_PS2PLUS_PACKET_TYPE(pBuf)) {
1783		case 1:
1784		    /* wheel data packet */
1785		    act->dx = act->dy = 0;
1786		    if (pBuf[2] & 0x80) {
1787			/* horizontal roller count - ignore it XXX*/
1788		    } else {
1789			/* vertical roller count */
1790			act->dz = (pBuf[2] & MOUSE_PS2PLUS_ZNEG)
1791			    ? (pBuf[2] & 0x0f) - 16 : (pBuf[2] & 0x0f);
1792		    }
1793		    act->button |= (pBuf[2] & MOUSE_PS2PLUS_BUTTON4DOWN)
1794			? MOUSE_BUTTON4DOWN : 0;
1795		    act->button |= (pBuf[2] & MOUSE_PS2PLUS_BUTTON5DOWN)
1796			? MOUSE_BUTTON5DOWN : 0;
1797		    break;
1798		case 2:
1799		    /* this packet type is reserved by Logitech */
1800		    /*
1801		     * IBM ScrollPoint Mouse uses this packet type to
1802		     * encode both vertical and horizontal scroll movement.
1803		     */
1804		    act->dx = act->dy = 0;
1805		    /* horizontal roller count */
1806		    if (pBuf[2] & 0x0f)
1807			act->dz = (pBuf[2] & MOUSE_SPOINT_WNEG) ? -2 : 2;
1808		    /* vertical roller count */
1809		    if (pBuf[2] & 0xf0)
1810			act->dz = (pBuf[2] & MOUSE_SPOINT_ZNEG) ? -1 : 1;
1811#if 0
1812		    /* vertical roller count */
1813		    act->dz = (pBuf[2] & MOUSE_SPOINT_ZNEG)
1814			? ((pBuf[2] >> 4) & 0x0f) - 16
1815			: ((pBuf[2] >> 4) & 0x0f);
1816		    /* horizontal roller count */
1817		    act->dw = (pBuf[2] & MOUSE_SPOINT_WNEG)
1818			? (pBuf[2] & 0x0f) - 16 : (pBuf[2] & 0x0f);
1819#endif
1820		    break;
1821		case 0:
1822		    /* device type packet - shouldn't happen */
1823		    /* FALL THROUGH */
1824		default:
1825		    act->dx = act->dy = 0;
1826		    act->button = act->obutton;
1827            	    debug("unknown PS2++ packet type %d: 0x%02x 0x%02x 0x%02x\n",
1828			  MOUSE_PS2PLUS_PACKET_TYPE(pBuf),
1829			  pBuf[0], pBuf[1], pBuf[2]);
1830		    break;
1831		}
1832	    } else {
1833		/* preserve button states */
1834		act->button |= act->obutton & MOUSE_EXTBUTTONS;
1835	    }
1836	    break;
1837	case MOUSE_MODEL_GLIDEPOINT:
1838	    /* `tapping' action */
1839	    act->button |= ((pBuf[0] & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN;
1840	    break;
1841	case MOUSE_MODEL_NETSCROLL:
1842	    /* three addtional bytes encode buttons and wheel events */
1843	    act->button |= (pBuf[3] & MOUSE_PS2_BUTTON3DOWN)
1844		? MOUSE_BUTTON4DOWN : 0;
1845	    act->button |= (pBuf[3] & MOUSE_PS2_BUTTON1DOWN)
1846		? MOUSE_BUTTON5DOWN : 0;
1847	    act->dz = (pBuf[3] & MOUSE_PS2_XNEG) ? pBuf[4] - 256 : pBuf[4];
1848	    break;
1849	case MOUSE_MODEL_THINK:
1850	    /* the fourth button state in the first byte */
1851	    act->button |= (pBuf[0] & MOUSE_PS2_TAP) ? MOUSE_BUTTON4DOWN : 0;
1852	    break;
1853	case MOUSE_MODEL_VERSAPAD:
1854	    act->button = butmapversaps2[pBuf[0] & MOUSE_PS2VERSA_BUTTONS];
1855	    act->button |=
1856		(pBuf[0] & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0;
1857	    act->dx = act->dy = 0;
1858	    if (!(pBuf[0] & MOUSE_PS2VERSA_IN_USE)) {
1859		on = FALSE;
1860		break;
1861	    }
1862	    x = ((pBuf[4] << 8) & 0xf00) | pBuf[1];
1863	    if (x & 0x800)
1864		x -= 0x1000;
1865	    y = ((pBuf[4] << 4) & 0xf00) | pBuf[2];
1866	    if (y & 0x800)
1867		y -= 0x1000;
1868	    if (on) {
1869		act->dx = prev_x - x;
1870		act->dy = prev_y - y;
1871	    } else {
1872		on = TRUE;
1873	    }
1874	    prev_x = x;
1875	    prev_y = y;
1876	    break;
1877	case MOUSE_MODEL_4D:
1878	    act->dx = (pBuf[1] & 0x80) ?    pBuf[1] - 256  :  pBuf[1];
1879	    act->dy = (pBuf[2] & 0x80) ?  -(pBuf[2] - 256) : -pBuf[2];
1880	    switch (pBuf[0] & MOUSE_4D_WHEELBITS) {
1881	    case 0x10:
1882		act->dz = 1;
1883		break;
1884	    case 0x30:
1885		act->dz = -1;
1886		break;
1887	    case 0x40:	/* 2nd wheel rolling right XXX */
1888		act->dz = 2;
1889		break;
1890	    case 0xc0:	/* 2nd wheel rolling left XXX */
1891		act->dz = -2;
1892		break;
1893	    }
1894	    break;
1895	case MOUSE_MODEL_4DPLUS:
1896	    if ((act->dx < 16 - 256) && (act->dy > 256 - 16)) {
1897		act->dx = act->dy = 0;
1898		if (pBuf[2] & MOUSE_4DPLUS_BUTTON4DOWN)
1899		    act->button |= MOUSE_BUTTON4DOWN;
1900		act->dz = (pBuf[2] & MOUSE_4DPLUS_ZNEG)
1901			      ? ((pBuf[2] & 0x07) - 8) : (pBuf[2] & 0x07);
1902	    } else {
1903		/* preserve previous button states */
1904		act->button |= act->obutton & MOUSE_EXTBUTTONS;
1905	    }
1906	    break;
1907	case MOUSE_MODEL_GENERIC:
1908	default:
1909	    break;
1910	}
1911	break;
1912
1913    case MOUSE_PROTO_SYSMOUSE:		/* sysmouse */
1914	act->button = butmapmsc[(~pBuf[0]) & MOUSE_SYS_STDBUTTONS];
1915	act->dx =    (char)(pBuf[1]) + (char)(pBuf[3]);
1916	act->dy = - ((char)(pBuf[2]) + (char)(pBuf[4]));
1917	if (rodent.level == 1) {
1918	    act->dz = ((char)(pBuf[5] << 1) + (char)(pBuf[6] << 1))/2;
1919	    act->button |= ((~pBuf[7] & MOUSE_SYS_EXTBUTTONS) << 3);
1920	}
1921	break;
1922
1923    default:
1924	return 0;
1925    }
1926    /*
1927     * We don't reset pBufP here yet, as there may be an additional data
1928     * byte in some protocols. See above.
1929     */
1930
1931    /* has something changed? */
1932    act->flags = ((act->dx || act->dy || act->dz) ? MOUSE_POSCHANGED : 0)
1933	| (act->obutton ^ act->button);
1934
1935    return act->flags;
1936}
1937
1938static int
1939r_statetrans(mousestatus_t *a1, mousestatus_t *a2, int trans)
1940{
1941    int changed;
1942    int flags;
1943
1944    a2->dx = a1->dx;
1945    a2->dy = a1->dy;
1946    a2->dz = a1->dz;
1947    a2->obutton = a2->button;
1948    a2->button = a1->button;
1949    a2->flags = a1->flags;
1950    changed = FALSE;
1951
1952    if (rodent.flags & Emulate3Button) {
1953	if (debug > 2)
1954	    debug("state:%d, trans:%d -> state:%d",
1955		  mouse_button_state, trans,
1956		  states[mouse_button_state].s[trans]);
1957	if (mouse_button_state != states[mouse_button_state].s[trans]) {
1958	    gettimeofday(&mouse_button_state_tv, NULL);
1959	    changed = TRUE;
1960	}
1961	mouse_button_state = states[mouse_button_state].s[trans];
1962	a2->button &=
1963	    ~(MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN);
1964	a2->button &= states[mouse_button_state].mask;
1965	a2->button |= states[mouse_button_state].buttons;
1966	flags = a2->flags & MOUSE_POSCHANGED;
1967	flags |= a2->obutton ^ a2->button;
1968	if (flags & MOUSE_BUTTON2DOWN) {
1969	    a2->flags = flags & MOUSE_BUTTON2DOWN;
1970	    r_timestamp(a2);
1971	}
1972	a2->flags = flags;
1973    }
1974    return changed;
1975}
1976
1977/* phisical to logical button mapping */
1978static int p2l[MOUSE_MAXBUTTON] = {
1979    MOUSE_BUTTON1DOWN, MOUSE_BUTTON2DOWN, MOUSE_BUTTON3DOWN, MOUSE_BUTTON4DOWN,
1980    MOUSE_BUTTON5DOWN, MOUSE_BUTTON6DOWN, MOUSE_BUTTON7DOWN, MOUSE_BUTTON8DOWN,
1981    0x00000100,        0x00000200,        0x00000400,        0x00000800,
1982    0x00001000,        0x00002000,        0x00004000,        0x00008000,
1983    0x00010000,        0x00020000,        0x00040000,        0x00080000,
1984    0x00100000,        0x00200000,        0x00400000,        0x00800000,
1985    0x01000000,        0x02000000,        0x04000000,        0x08000000,
1986    0x10000000,        0x20000000,        0x40000000,
1987};
1988
1989static char *
1990skipspace(char *s)
1991{
1992    while(isspace(*s))
1993	++s;
1994    return s;
1995}
1996
1997static int
1998r_installmap(char *arg)
1999{
2000    int pbutton;
2001    int lbutton;
2002    char *s;
2003
2004    while (*arg) {
2005	arg = skipspace(arg);
2006	s = arg;
2007	while (isdigit(*arg))
2008	    ++arg;
2009	arg = skipspace(arg);
2010	if ((arg <= s) || (*arg != '='))
2011	    return FALSE;
2012	lbutton = atoi(s);
2013
2014	arg = skipspace(++arg);
2015	s = arg;
2016	while (isdigit(*arg))
2017	    ++arg;
2018	if ((arg <= s) || (!isspace(*arg) && (*arg != '\0')))
2019	    return FALSE;
2020	pbutton = atoi(s);
2021
2022	if ((lbutton <= 0) || (lbutton > MOUSE_MAXBUTTON))
2023	    return FALSE;
2024	if ((pbutton <= 0) || (pbutton > MOUSE_MAXBUTTON))
2025	    return FALSE;
2026	p2l[pbutton - 1] = 1 << (lbutton - 1);
2027	mstate[lbutton - 1] = &bstate[pbutton - 1];
2028    }
2029
2030    return TRUE;
2031}
2032
2033static void
2034r_map(mousestatus_t *act1, mousestatus_t *act2)
2035{
2036    register int pb;
2037    register int pbuttons;
2038    int lbuttons;
2039
2040    pbuttons = act1->button;
2041    lbuttons = 0;
2042
2043    act2->obutton = act2->button;
2044    if (pbuttons & rodent.wmode) {
2045	pbuttons &= ~rodent.wmode;
2046	act1->dz = act1->dy;
2047	act1->dx = 0;
2048	act1->dy = 0;
2049    }
2050    act2->dx = act1->dx;
2051    act2->dy = act1->dy;
2052    act2->dz = act1->dz;
2053
2054    switch (rodent.zmap[0]) {
2055    case 0:	/* do nothing */
2056	break;
2057    case MOUSE_XAXIS:
2058	if (act1->dz != 0) {
2059	    act2->dx = act1->dz;
2060	    act2->dz = 0;
2061	}
2062	break;
2063    case MOUSE_YAXIS:
2064	if (act1->dz != 0) {
2065	    act2->dy = act1->dz;
2066	    act2->dz = 0;
2067	}
2068	break;
2069    default:	/* buttons */
2070	pbuttons &= ~(rodent.zmap[0] | rodent.zmap[1]
2071		    | rodent.zmap[2] | rodent.zmap[3]);
2072	if ((act1->dz < -1) && rodent.zmap[2]) {
2073	    pbuttons |= rodent.zmap[2];
2074	    zstate[2].count = 1;
2075	} else if (act1->dz < 0) {
2076	    pbuttons |= rodent.zmap[0];
2077	    zstate[0].count = 1;
2078	} else if ((act1->dz > 1) && rodent.zmap[3]) {
2079	    pbuttons |= rodent.zmap[3];
2080	    zstate[3].count = 1;
2081	} else if (act1->dz > 0) {
2082	    pbuttons |= rodent.zmap[1];
2083	    zstate[1].count = 1;
2084	}
2085	act2->dz = 0;
2086	break;
2087    }
2088
2089    for (pb = 0; (pb < MOUSE_MAXBUTTON) && (pbuttons != 0); ++pb) {
2090	lbuttons |= (pbuttons & 1) ? p2l[pb] : 0;
2091	pbuttons >>= 1;
2092    }
2093    act2->button = lbuttons;
2094
2095    act2->flags = ((act2->dx || act2->dy || act2->dz) ? MOUSE_POSCHANGED : 0)
2096	| (act2->obutton ^ act2->button);
2097}
2098
2099static void
2100r_timestamp(mousestatus_t *act)
2101{
2102    struct timeval tv;
2103    struct timeval tv1;
2104    struct timeval tv2;
2105    struct timeval tv3;
2106    int button;
2107    int mask;
2108    int i;
2109
2110    mask = act->flags & MOUSE_BUTTONS;
2111#if 0
2112    if (mask == 0)
2113	return;
2114#endif
2115
2116    gettimeofday(&tv1, NULL);
2117
2118    /* double click threshold */
2119    tv2.tv_sec = rodent.clickthreshold/1000;
2120    tv2.tv_usec = (rodent.clickthreshold%1000)*1000;
2121    timersub(&tv1, &tv2, &tv);
2122    debug("tv:  %ld %ld", tv.tv_sec, tv.tv_usec);
2123
2124    /* 3 button emulation timeout */
2125    tv2.tv_sec = rodent.button2timeout/1000;
2126    tv2.tv_usec = (rodent.button2timeout%1000)*1000;
2127    timersub(&tv1, &tv2, &tv3);
2128
2129    button = MOUSE_BUTTON1DOWN;
2130    for (i = 0; (i < MOUSE_MAXBUTTON) && (mask != 0); ++i) {
2131        if (mask & 1) {
2132            if (act->button & button) {
2133                /* the button is down */
2134    		debug("  :  %ld %ld",
2135		    bstate[i].tv.tv_sec, bstate[i].tv.tv_usec);
2136		if (timercmp(&tv, &bstate[i].tv, >)) {
2137                    bstate[i].count = 1;
2138                } else {
2139                    ++bstate[i].count;
2140                }
2141		bstate[i].tv = tv1;
2142            } else {
2143                /* the button is up */
2144                bstate[i].tv = tv1;
2145            }
2146        } else {
2147	    if (act->button & button) {
2148		/* the button has been down */
2149		if (timercmp(&tv3, &bstate[i].tv, >)) {
2150		    bstate[i].count = 1;
2151		    bstate[i].tv = tv1;
2152		    act->flags |= button;
2153		    debug("button %d timeout", i + 1);
2154		}
2155	    } else {
2156		/* the button has been up */
2157	    }
2158	}
2159	button <<= 1;
2160	mask >>= 1;
2161    }
2162}
2163
2164static int
2165r_timeout(void)
2166{
2167    struct timeval tv;
2168    struct timeval tv1;
2169    struct timeval tv2;
2170
2171    if (states[mouse_button_state].timeout)
2172	return TRUE;
2173    gettimeofday(&tv1, NULL);
2174    tv2.tv_sec = rodent.button2timeout/1000;
2175    tv2.tv_usec = (rodent.button2timeout%1000)*1000;
2176    timersub(&tv1, &tv2, &tv);
2177    return timercmp(&tv, &mouse_button_state_tv, >);
2178}
2179
2180static void
2181r_click(mousestatus_t *act)
2182{
2183    struct mouse_info mouse;
2184    int button;
2185    int mask;
2186    int i;
2187
2188    mask = act->flags & MOUSE_BUTTONS;
2189    if (mask == 0)
2190	return;
2191
2192    button = MOUSE_BUTTON1DOWN;
2193    for (i = 0; (i < MOUSE_MAXBUTTON) && (mask != 0); ++i) {
2194        if (mask & 1) {
2195	    debug("mstate[%d]->count:%d", i, mstate[i]->count);
2196            if (act->button & button) {
2197                /* the button is down */
2198	        mouse.u.event.value = mstate[i]->count;
2199            } else {
2200                /* the button is up */
2201	        mouse.u.event.value = 0;
2202            }
2203	    mouse.operation = MOUSE_BUTTON_EVENT;
2204	    mouse.u.event.id = button;
2205	    if (debug < 2)
2206	        ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
2207	    debug("button %d  count %d", i + 1, mouse.u.event.value);
2208        }
2209	button <<= 1;
2210	mask >>= 1;
2211    }
2212}
2213
2214/* $XConsortium: posix_tty.c,v 1.3 95/01/05 20:42:55 kaleb Exp $ */
2215/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/posix_tty.c,v 3.4 1995/01/28 17:05:03 dawes Exp $ */
2216/*
2217 * Copyright 1993 by David Dawes <dawes@physics.su.oz.au>
2218 *
2219 * Permission to use, copy, modify, distribute, and sell this software and its
2220 * documentation for any purpose is hereby granted without fee, provided that
2221 * the above copyright notice appear in all copies and that both that
2222 * copyright notice and this permission notice appear in supporting
2223 * documentation, and that the name of David Dawes
2224 * not be used in advertising or publicity pertaining to distribution of
2225 * the software without specific, written prior permission.
2226 * David Dawes makes no representations about the suitability of this
2227 * software for any purpose.  It is provided "as is" without express or
2228 * implied warranty.
2229 *
2230 * DAVID DAWES DISCLAIMS ALL WARRANTIES WITH REGARD TO
2231 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
2232 * FITNESS, IN NO EVENT SHALL DAVID DAWES BE LIABLE FOR
2233 * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
2234 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
2235 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
2236 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
2237 *
2238 */
2239
2240
2241static void
2242setmousespeed(int old, int new, unsigned cflag)
2243{
2244	struct termios tty;
2245	char *c;
2246
2247	if (tcgetattr(rodent.mfd, &tty) < 0)
2248	{
2249		logwarn("unable to get status of mouse fd", 0);
2250		return;
2251	}
2252
2253	tty.c_iflag = IGNBRK | IGNPAR;
2254	tty.c_oflag = 0;
2255	tty.c_lflag = 0;
2256	tty.c_cflag = (tcflag_t)cflag;
2257	tty.c_cc[VTIME] = 0;
2258	tty.c_cc[VMIN] = 1;
2259
2260	switch (old)
2261	{
2262	case 9600:
2263		cfsetispeed(&tty, B9600);
2264		cfsetospeed(&tty, B9600);
2265		break;
2266	case 4800:
2267		cfsetispeed(&tty, B4800);
2268		cfsetospeed(&tty, B4800);
2269		break;
2270	case 2400:
2271		cfsetispeed(&tty, B2400);
2272		cfsetospeed(&tty, B2400);
2273		break;
2274	case 1200:
2275	default:
2276		cfsetispeed(&tty, B1200);
2277		cfsetospeed(&tty, B1200);
2278	}
2279
2280	if (tcsetattr(rodent.mfd, TCSADRAIN, &tty) < 0)
2281	{
2282		logwarn("unable to set status of mouse fd", 0);
2283		return;
2284	}
2285
2286	switch (new)
2287	{
2288	case 9600:
2289		c = "*q";
2290		cfsetispeed(&tty, B9600);
2291		cfsetospeed(&tty, B9600);
2292		break;
2293	case 4800:
2294		c = "*p";
2295		cfsetispeed(&tty, B4800);
2296		cfsetospeed(&tty, B4800);
2297		break;
2298	case 2400:
2299		c = "*o";
2300		cfsetispeed(&tty, B2400);
2301		cfsetospeed(&tty, B2400);
2302		break;
2303	case 1200:
2304	default:
2305		c = "*n";
2306		cfsetispeed(&tty, B1200);
2307		cfsetospeed(&tty, B1200);
2308	}
2309
2310	if (rodent.rtype == MOUSE_PROTO_LOGIMOUSEMAN
2311	    || rodent.rtype == MOUSE_PROTO_LOGI)
2312	{
2313		if (write(rodent.mfd, c, 2) != 2)
2314		{
2315			logwarn("unable to write to mouse fd", 0);
2316			return;
2317		}
2318	}
2319	usleep(100000);
2320
2321	if (tcsetattr(rodent.mfd, TCSADRAIN, &tty) < 0)
2322		logwarn("unable to set status of mouse fd", 0);
2323}
2324
2325/*
2326 * PnP COM device support
2327 *
2328 * It's a simplistic implementation, but it works :-)
2329 * KY, 31/7/97.
2330 */
2331
2332/*
2333 * Try to elicit a PnP ID as described in
2334 * Microsoft, Hayes: "Plug and Play External COM Device Specification,
2335 * rev 1.00", 1995.
2336 *
2337 * The routine does not fully implement the COM Enumerator as par Section
2338 * 2.1 of the document.  In particular, we don't have idle state in which
2339 * the driver software monitors the com port for dynamic connection or
2340 * removal of a device at the port, because `moused' simply quits if no
2341 * device is found.
2342 *
2343 * In addition, as PnP COM device enumeration procedure slightly has
2344 * changed since its first publication, devices which follow earlier
2345 * revisions of the above spec. may fail to respond if the rev 1.0
2346 * procedure is used. XXX
2347 */
2348static int
2349pnpwakeup1(void)
2350{
2351    struct timeval timeout;
2352    fd_set fds;
2353    int i;
2354
2355    /*
2356     * This is the procedure described in rev 1.0 of PnP COM device spec.
2357     * Unfortunately, some devices which comform to earlier revisions of
2358     * the spec gets confused and do not return the ID string...
2359     */
2360    debug("PnP COM device rev 1.0 probe...");
2361
2362    /* port initialization (2.1.2) */
2363    ioctl(rodent.mfd, TIOCMGET, &i);
2364    i |= TIOCM_DTR;		/* DTR = 1 */
2365    i &= ~TIOCM_RTS;		/* RTS = 0 */
2366    ioctl(rodent.mfd, TIOCMSET, &i);
2367    usleep(240000);
2368
2369    /*
2370     * The PnP COM device spec. dictates that the mouse must set DSR
2371     * in response to DTR (by hardware or by software) and that if DSR is
2372     * not asserted, the host computer should think that there is no device
2373     * at this serial port.  But some mice just don't do that...
2374     */
2375    ioctl(rodent.mfd, TIOCMGET, &i);
2376    debug("modem status 0%o", i);
2377    if ((i & TIOCM_DSR) == 0)
2378	return FALSE;
2379
2380    /* port setup, 1st phase (2.1.3) */
2381    setmousespeed(1200, 1200, (CS7 | CREAD | CLOCAL | HUPCL));
2382    i = TIOCM_DTR | TIOCM_RTS;	/* DTR = 0, RTS = 0 */
2383    ioctl(rodent.mfd, TIOCMBIC, &i);
2384    usleep(240000);
2385    i = TIOCM_DTR;		/* DTR = 1, RTS = 0 */
2386    ioctl(rodent.mfd, TIOCMBIS, &i);
2387    usleep(240000);
2388
2389    /* wait for response, 1st phase (2.1.4) */
2390    i = FREAD;
2391    ioctl(rodent.mfd, TIOCFLUSH, &i);
2392    i = TIOCM_RTS;		/* DTR = 1, RTS = 1 */
2393    ioctl(rodent.mfd, TIOCMBIS, &i);
2394
2395    /* try to read something */
2396    FD_ZERO(&fds);
2397    FD_SET(rodent.mfd, &fds);
2398    timeout.tv_sec = 0;
2399    timeout.tv_usec = 240000;
2400    if (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) > 0) {
2401	debug("pnpwakeup1(): valid response in first phase.");
2402	return TRUE;
2403    }
2404
2405    /* port setup, 2nd phase (2.1.5) */
2406    i = TIOCM_DTR | TIOCM_RTS;	/* DTR = 0, RTS = 0 */
2407    ioctl(rodent.mfd, TIOCMBIC, &i);
2408    usleep(240000);
2409
2410    /* wait for respose, 2nd phase (2.1.6) */
2411    i = FREAD;
2412    ioctl(rodent.mfd, TIOCFLUSH, &i);
2413    i = TIOCM_DTR | TIOCM_RTS;	/* DTR = 1, RTS = 1 */
2414    ioctl(rodent.mfd, TIOCMBIS, &i);
2415
2416    /* try to read something */
2417    FD_ZERO(&fds);
2418    FD_SET(rodent.mfd, &fds);
2419    timeout.tv_sec = 0;
2420    timeout.tv_usec = 240000;
2421    if (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) > 0) {
2422	debug("pnpwakeup1(): valid response in second phase.");
2423	return TRUE;
2424    }
2425
2426    return FALSE;
2427}
2428
2429static int
2430pnpwakeup2(void)
2431{
2432    struct timeval timeout;
2433    fd_set fds;
2434    int i;
2435
2436    /*
2437     * This is a simplified procedure; it simply toggles RTS.
2438     */
2439    debug("alternate probe...");
2440
2441    ioctl(rodent.mfd, TIOCMGET, &i);
2442    i |= TIOCM_DTR;		/* DTR = 1 */
2443    i &= ~TIOCM_RTS;		/* RTS = 0 */
2444    ioctl(rodent.mfd, TIOCMSET, &i);
2445    usleep(240000);
2446
2447    setmousespeed(1200, 1200, (CS7 | CREAD | CLOCAL | HUPCL));
2448
2449    /* wait for respose */
2450    i = FREAD;
2451    ioctl(rodent.mfd, TIOCFLUSH, &i);
2452    i = TIOCM_DTR | TIOCM_RTS;	/* DTR = 1, RTS = 1 */
2453    ioctl(rodent.mfd, TIOCMBIS, &i);
2454
2455    /* try to read something */
2456    FD_ZERO(&fds);
2457    FD_SET(rodent.mfd, &fds);
2458    timeout.tv_sec = 0;
2459    timeout.tv_usec = 240000;
2460    if (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) > 0) {
2461	debug("pnpwakeup2(): valid response.");
2462	return TRUE;
2463    }
2464
2465    return FALSE;
2466}
2467
2468static int
2469pnpgets(char *buf)
2470{
2471    struct timeval timeout;
2472    fd_set fds;
2473    int begin;
2474    int i;
2475    char c;
2476
2477    if (!pnpwakeup1() && !pnpwakeup2()) {
2478	/*
2479	 * According to PnP spec, we should set DTR = 1 and RTS = 0 while
2480	 * in idle state.  But, `moused' shall set DTR = RTS = 1 and proceed,
2481	 * assuming there is something at the port even if it didn't
2482	 * respond to the PnP enumeration procedure.
2483	 */
2484disconnect_idle:
2485	i = TIOCM_DTR | TIOCM_RTS;		/* DTR = 1, RTS = 1 */
2486	ioctl(rodent.mfd, TIOCMBIS, &i);
2487	return 0;
2488    }
2489
2490    /* collect PnP COM device ID (2.1.7) */
2491    begin = -1;
2492    i = 0;
2493    usleep(240000);	/* the mouse must send `Begin ID' within 200msec */
2494    while (read(rodent.mfd, &c, 1) == 1) {
2495	/* we may see "M", or "M3..." before `Begin ID' */
2496	buf[i++] = c;
2497        if ((c == 0x08) || (c == 0x28)) {	/* Begin ID */
2498	    debug("begin-id %02x", c);
2499	    begin = i - 1;
2500	    break;
2501        }
2502        debug("%c %02x", c, c);
2503	if (i >= 256)
2504	    break;
2505    }
2506    if (begin < 0) {
2507	/* we haven't seen `Begin ID' in time... */
2508	goto connect_idle;
2509    }
2510
2511    ++c;			/* make it `End ID' */
2512    for (;;) {
2513        FD_ZERO(&fds);
2514        FD_SET(rodent.mfd, &fds);
2515        timeout.tv_sec = 0;
2516        timeout.tv_usec = 240000;
2517        if (select(FD_SETSIZE, &fds, NULL, NULL, &timeout) <= 0)
2518	    break;
2519
2520	read(rodent.mfd, &buf[i], 1);
2521        if (buf[i++] == c)	/* End ID */
2522	    break;
2523	if (i >= 256)
2524	    break;
2525    }
2526    if (begin > 0) {
2527	i -= begin;
2528	bcopy(&buf[begin], &buf[0], i);
2529    }
2530    /* string may not be human readable... */
2531    debug("len:%d, '%-*.*s'", i, i, i, buf);
2532
2533    if (buf[i - 1] == c)
2534	return i;		/* a valid PnP string */
2535
2536    /*
2537     * According to PnP spec, we should set DTR = 1 and RTS = 0 while
2538     * in idle state.  But, `moused' shall leave the modem control lines
2539     * as they are. See above.
2540     */
2541connect_idle:
2542
2543    /* we may still have something in the buffer */
2544    return ((i > 0) ? i : 0);
2545}
2546
2547static int
2548pnpparse(pnpid_t *id, char *buf, int len)
2549{
2550    char s[3];
2551    int offset;
2552    int sum = 0;
2553    int i, j;
2554
2555    id->revision = 0;
2556    id->eisaid = NULL;
2557    id->serial = NULL;
2558    id->class = NULL;
2559    id->compat = NULL;
2560    id->description = NULL;
2561    id->neisaid = 0;
2562    id->nserial = 0;
2563    id->nclass = 0;
2564    id->ncompat = 0;
2565    id->ndescription = 0;
2566
2567    if ((buf[0] != 0x28) && (buf[0] != 0x08)) {
2568	/* non-PnP mice */
2569	switch(buf[0]) {
2570	default:
2571	    return FALSE;
2572	case 'M': /* Microsoft */
2573	    id->eisaid = "PNP0F01";
2574	    break;
2575	case 'H': /* MouseSystems */
2576	    id->eisaid = "PNP0F04";
2577	    break;
2578	}
2579	id->neisaid = strlen(id->eisaid);
2580	id->class = "MOUSE";
2581	id->nclass = strlen(id->class);
2582	debug("non-PnP mouse '%c'", buf[0]);
2583	return TRUE;
2584    }
2585
2586    /* PnP mice */
2587    offset = 0x28 - buf[0];
2588
2589    /* calculate checksum */
2590    for (i = 0; i < len - 3; ++i) {
2591	sum += buf[i];
2592	buf[i] += offset;
2593    }
2594    sum += buf[len - 1];
2595    for (; i < len; ++i)
2596	buf[i] += offset;
2597    debug("PnP ID string: '%*.*s'", len, len, buf);
2598
2599    /* revision */
2600    buf[1] -= offset;
2601    buf[2] -= offset;
2602    id->revision = ((buf[1] & 0x3f) << 6) | (buf[2] & 0x3f);
2603    debug("PnP rev %d.%02d", id->revision / 100, id->revision % 100);
2604
2605    /* EISA vender and product ID */
2606    id->eisaid = &buf[3];
2607    id->neisaid = 7;
2608
2609    /* option strings */
2610    i = 10;
2611    if (buf[i] == '\\') {
2612        /* device serial # */
2613        for (j = ++i; i < len; ++i) {
2614            if (buf[i] == '\\')
2615		break;
2616        }
2617	if (i >= len)
2618	    i -= 3;
2619	if (i - j == 8) {
2620            id->serial = &buf[j];
2621            id->nserial = 8;
2622	}
2623    }
2624    if (buf[i] == '\\') {
2625        /* PnP class */
2626        for (j = ++i; i < len; ++i) {
2627            if (buf[i] == '\\')
2628		break;
2629        }
2630	if (i >= len)
2631	    i -= 3;
2632	if (i > j + 1) {
2633            id->class = &buf[j];
2634            id->nclass = i - j;
2635        }
2636    }
2637    if (buf[i] == '\\') {
2638	/* compatible driver */
2639        for (j = ++i; i < len; ++i) {
2640            if (buf[i] == '\\')
2641		break;
2642        }
2643	/*
2644	 * PnP COM spec prior to v0.96 allowed '*' in this field,
2645	 * it's not allowed now; just igore it.
2646	 */
2647	if (buf[j] == '*')
2648	    ++j;
2649	if (i >= len)
2650	    i -= 3;
2651	if (i > j + 1) {
2652            id->compat = &buf[j];
2653            id->ncompat = i - j;
2654        }
2655    }
2656    if (buf[i] == '\\') {
2657	/* product description */
2658        for (j = ++i; i < len; ++i) {
2659            if (buf[i] == ';')
2660		break;
2661        }
2662	if (i >= len)
2663	    i -= 3;
2664	if (i > j + 1) {
2665            id->description = &buf[j];
2666            id->ndescription = i - j;
2667        }
2668    }
2669
2670    /* checksum exists if there are any optional fields */
2671    if ((id->nserial > 0) || (id->nclass > 0)
2672	|| (id->ncompat > 0) || (id->ndescription > 0)) {
2673        debug("PnP checksum: 0x%X", sum);
2674        sprintf(s, "%02X", sum & 0x0ff);
2675        if (strncmp(s, &buf[len - 3], 2) != 0) {
2676#if 0
2677            /*
2678	     * I found some mice do not comply with the PnP COM device
2679	     * spec regarding checksum... XXX
2680	     */
2681            logwarnx("PnP checksum error", 0);
2682	    return FALSE;
2683#endif
2684        }
2685    }
2686
2687    return TRUE;
2688}
2689
2690static symtab_t *
2691pnpproto(pnpid_t *id)
2692{
2693    symtab_t *t;
2694    int i, j;
2695
2696    if (id->nclass > 0)
2697	if ( strncmp(id->class, "MOUSE", id->nclass) != 0 &&
2698	     strncmp(id->class, "TABLET", id->nclass) != 0)
2699	    /* this is not a mouse! */
2700	    return NULL;
2701
2702    if (id->neisaid > 0) {
2703        t = gettoken(pnpprod, id->eisaid, id->neisaid);
2704	if (t->val != MOUSE_PROTO_UNKNOWN)
2705            return t;
2706    }
2707
2708    /*
2709     * The 'Compatible drivers' field may contain more than one
2710     * ID separated by ','.
2711     */
2712    if (id->ncompat <= 0)
2713	return NULL;
2714    for (i = 0; i < id->ncompat; ++i) {
2715        for (j = i; id->compat[i] != ','; ++i)
2716            if (i >= id->ncompat)
2717		break;
2718        if (i > j) {
2719            t = gettoken(pnpprod, id->compat + j, i - j);
2720	    if (t->val != MOUSE_PROTO_UNKNOWN)
2721                return t;
2722	}
2723    }
2724
2725    return NULL;
2726}
2727
2728/* name/val mapping */
2729
2730static symtab_t *
2731gettoken(symtab_t *tab, char *s, int len)
2732{
2733    int i;
2734
2735    for (i = 0; tab[i].name != NULL; ++i) {
2736	if (strncmp(tab[i].name, s, len) == 0)
2737	    break;
2738    }
2739    return &tab[i];
2740}
2741
2742static char *
2743gettokenname(symtab_t *tab, int val)
2744{
2745    int i;
2746
2747    for (i = 0; tab[i].name != NULL; ++i) {
2748	if (tab[i].val == val)
2749	    return tab[i].name;
2750    }
2751    return NULL;
2752}
2753
2754
2755/*
2756 * code to read from the Genius Kidspad tablet.
2757
2758The tablet responds to the COM PnP protocol 1.0 with EISA-ID KYE0005,
2759and to pre-pnp probes (RTS toggle) with 'T' (tablet ?)
27609600, 8 bit, parity odd.
2761
2762The tablet puts out 5 bytes. b0 (mask 0xb8, value 0xb8) contains
2763the proximity, tip and button info:
2764   (byte0 & 0x1)	true = tip pressed
2765   (byte0 & 0x2)	true = button pressed
2766   (byte0 & 0x40)	false = pen in proximity of tablet.
2767
2768The next 4 bytes are used for coordinates xl, xh, yl, yh (7 bits valid).
2769
2770Only absolute coordinates are returned, so we use the following approach:
2771we store the last coordinates sent when the pen went out of the tablet,
2772
2773
2774 *
2775 */
2776
2777typedef enum {
2778    S_IDLE, S_PROXY, S_FIRST, S_DOWN, S_UP
2779} k_status ;
2780
2781static int
2782kidspad(u_char rxc, mousestatus_t *act)
2783{
2784    static buf[5];
2785    static int buflen = 0, b_prev = 0 , x_prev = -1, y_prev = -1 ;
2786    static k_status status = S_IDLE ;
2787    static struct timeval old, now ;
2788    static int x_idle = -1, y_idle = -1 ;
2789
2790    int deltat, x, y ;
2791
2792    if (buflen > 0 && (rxc & 0x80) ) {
2793	fprintf(stderr, "invalid code %d 0x%x\n", buflen, rxc);
2794	buflen = 0 ;
2795    }
2796    if (buflen == 0 && (rxc & 0xb8) != 0xb8 ) {
2797	fprintf(stderr, "invalid code 0 0x%x\n", rxc);
2798	return 0 ; /* invalid code, no action */
2799    }
2800    buf[buflen++] = rxc ;
2801    if (buflen < 5)
2802	return 0 ;
2803
2804    buflen = 0 ; /* for next time... */
2805
2806    x = buf[1]+128*(buf[2] - 7) ;
2807    if (x < 0) x = 0 ;
2808    y = 28*128 - (buf[3] + 128* (buf[4] - 7)) ;
2809    if (y < 0) y = 0 ;
2810
2811    x /= 8 ;
2812    y /= 8 ;
2813
2814    act->flags = 0 ;
2815    act->obutton = act->button ;
2816    act->dx = act->dy = act->dz = 0 ;
2817    gettimeofday(&now, NULL);
2818    if ( buf[0] & 0x40 ) /* pen went out of reach */
2819	status = S_IDLE ;
2820    else if (status == S_IDLE) { /* pen is newly near the tablet */
2821	act->flags |= MOUSE_POSCHANGED ; /* force update */
2822	status = S_PROXY ;
2823	x_prev = x ;
2824	y_prev = y ;
2825    }
2826    old = now ;
2827    act->dx = x - x_prev ;
2828    act->dy = y - y_prev ;
2829    if (act->dx || act->dy)
2830	act->flags |= MOUSE_POSCHANGED ;
2831    x_prev = x ;
2832    y_prev = y ;
2833    if (b_prev != 0 && b_prev != buf[0]) { /* possibly record button change */
2834	act->button = 0 ;
2835	if ( buf[0] & 0x01 ) /* tip pressed */
2836	    act->button |= MOUSE_BUTTON1DOWN ;
2837	if ( buf[0] & 0x02 ) /* button pressed */
2838	    act->button |= MOUSE_BUTTON2DOWN ;
2839	act->flags |= MOUSE_BUTTONSCHANGED ;
2840    }
2841    b_prev = buf[0] ;
2842    return act->flags ;
2843}
2844
2845static void
2846mremote_serversetup()
2847{
2848    struct sockaddr_un ad;
2849
2850    /* Open a UNIX domain stream socket to listen for mouse remote clients */
2851    unlink(_PATH_MOUSEREMOTE);
2852
2853    if ( (rodent.mremsfd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
2854	logerrx(1, "unable to create unix domain socket %s",_PATH_MOUSEREMOTE);
2855
2856    umask(0111);
2857
2858    bzero(&ad, sizeof(ad));
2859    ad.sun_family = AF_UNIX;
2860    strcpy(ad.sun_path, _PATH_MOUSEREMOTE);
2861#ifndef SUN_LEN
2862#define SUN_LEN(unp) ( ((char *)(unp)->sun_path - (char *)(unp)) + \
2863                       strlen((unp)->path) )
2864#endif
2865    if (bind(rodent.mremsfd, (struct sockaddr *) &ad, SUN_LEN(&ad)) < 0)
2866	logerrx(1, "unable to bind unix domain socket %s", _PATH_MOUSEREMOTE);
2867
2868    listen(rodent.mremsfd, 1);
2869}
2870
2871static void
2872mremote_clientchg(int add)
2873{
2874    struct sockaddr_un ad;
2875    int ad_len, fd;
2876
2877    if (rodent.rtype != MOUSE_PROTO_X10MOUSEREM)
2878	return;
2879
2880    if ( add ) {
2881	/*  Accept client connection, if we don't already have one  */
2882	ad_len = sizeof(ad);
2883	fd = accept(rodent.mremsfd, (struct sockaddr *) &ad, &ad_len);
2884	if (fd < 0)
2885	    logwarnx("failed accept on mouse remote socket");
2886
2887	if ( rodent.mremcfd < 0 ) {
2888	    rodent.mremcfd = fd;
2889	    debug("remote client connect...accepted");
2890	}
2891	else {
2892	    close(fd);
2893	    debug("another remote client connect...disconnected");
2894	}
2895    }
2896    else {
2897	/* Client disconnected */
2898	debug("remote client disconnected");
2899	close( rodent.mremcfd );
2900	rodent.mremcfd = -1;
2901    }
2902}
2903
2904
2905