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/* -*-mode:C;tab-width:3-*-
* gpm.h - public include file for gpm
*
* Copyright 1994,1995 rubini@linux.it (Alessandro Rubini)
* Copyright (C) 1998 Ian Zimmerman <itz@rahul.net>
* Copyright (C) 2002 Nico Schottelius <nico@schottelius.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
********/
#ifndef _GPM_H_
#define _GPM_H_
/* $Id: gpm.h,v 1.5 2002/11/30 13:20:10 nico Exp $ */
#include <paths.h> /* _PATH_VARRUN etc. */
#ifdef __cplusplus
extern "C" {
#endif
/*....................................... Xtermish stuff */
#define GPM_XTERM_ON \
printf("%c[?1001s",27), fflush(stdout), /* save old hilit tracking */ \
printf("%c[?1000h",27), fflush(stdout) /* enable mouse tracking */
#define GPM_XTERM_OFF \
printf("%c[?1000l",27), fflush(stdout), /* disable mouse tracking */ \
printf("%c[?1001r",27), fflush(stdout) /* restore old hilittracking */
/*....................................... Cfg pathnames */
/* Provide trailing slash, since mostly used for building pathnames. */
#ifndef _PATH_VARRUN
#define _PATH_VARRUN "/var/run/"
#endif
#ifndef _PATH_DEV
#define _PATH_DEV "/dev/"
#endif
#define GPM_NODE_DIR _PATH_VARRUN
/* itz Wed Jul 1 11:56:46 PDT 1998 this definitely ought not to be
world-writable; umask doesn't apply either, as gpm is most often
run from init */
#define GPM_NODE_DIR_MODE 0775
#define GPM_NODE_PID GPM_NODE_DIR "gpm.pid"
#define GPM_NODE_DEV _PATH_DEV "gpmctl"
/* itz Wed Jul 1 12:09:29 PDT 1998 let's simplify this by placing the
file always in /dev whether it's a device or socket. It doesn't
really belong to /var/run anyway. */
#define GPM_NODE_CTL GPM_NODE_DEV
#define GPM_NODE_FIFO _PATH_DEV "gpmdata"
/*....................................... Cfg buttons */
#define GPM_B_DOWN 32
#define GPM_B_UP 16
#define GPM_B_FOURTH 8
#define GPM_B_LEFT 4
#define GPM_B_MIDDLE 2
#define GPM_B_RIGHT 1
#define GPM_B_NONE 0
/*....................................... The event types */
enum Gpm_Etype {
GPM_MOVE=1,
GPM_DRAG=2, /* exactly one of the bare ones is active at a time */
GPM_DOWN=4,
GPM_UP= 8,
#define GPM_BARE_EVENTS(type) ((type)&(0x0f|GPM_ENTER|GPM_LEAVE))
GPM_SINGLE=16, /* at most one in three is set */
GPM_DOUBLE=32,
GPM_TRIPLE=64, /* WARNING: I depend on the values */
GPM_MFLAG=128, /* motion during click? */
GPM_HARD=256, /* if set in the defaultMask, force an already
used event to pass over to another handler */
GPM_ENTER=512, /* enter event, user in Roi's */
GPM_LEAVE=1024 /* leave event, used in Roi's */
};
#define Gpm_StrictSingle(type) (((type)&GPM_SINGLE) && !((type)&GPM_MFLAG))
#define Gpm_AnySingle(type) ((type)&GPM_SINGLE)
#define Gpm_StrictDouble(type) (((type)&GPM_DOUBLE) && !((type)&GPM_MFLAG))
#define Gpm_AnyDouble(type) ((type)&GPM_DOUBLE)
#define Gpm_StrictTriple(type) (((type)&GPM_TRIPLE) && !((type)&GPM_MFLAG))
#define Gpm_AnyTriple(type) ((type)&GPM_TRIPLE)
/*....................................... The event data structure */
enum Gpm_Margin {GPM_TOP=1, GPM_BOT=2, GPM_LFT=4, GPM_RGT=8};
/*....................................... The reported event */
typedef struct Gpm_Event {
unsigned char buttons, modifiers; /* try to be a multiple of 4 */
unsigned short vc;
short dx, dy, x, y;
enum Gpm_Etype type;
int clicks;
enum Gpm_Margin margin;
short wdx, wdy;
} Gpm_Event;
/*....................................... The handling function */
typedef int Gpm_Handler(Gpm_Event *event, void *clientdata);
/*....................................... The connection data structure */
#define GPM_MAGIC 0x47706D4C /* "GpmL" */
typedef struct Gpm_Connect {
unsigned short eventMask, defaultMask;
unsigned short minMod, maxMod;
int pid;
int vc;
} Gpm_Connect;
/*....................................... The region of Interest */
typedef struct Gpm_Roi {
short xMin,xMax;
short yMin,yMax;
unsigned short minMod, maxMod;
unsigned short eventMask;
unsigned short owned;
Gpm_Handler *handler;
void *clientdata;
struct Gpm_Roi *prev;
struct Gpm_Roi *next;
} Gpm_Roi;
/*....................................... Global variables for the client */
extern int gpm_flag, gpm_ctlfd, gpm_fd, gpm_hflag, gpm_morekeys;
extern int gpm_zerobased;
extern int gpm_visiblepointer;
extern int gpm_mx, gpm_my; /* max x and y to fit margins */
extern struct timeval gpm_timeout;
extern unsigned char _gpm_buf[];
extern unsigned short * _gpm_arg;
extern Gpm_Handler *gpm_handler;
extern void *gpm_data;
extern Gpm_Handler *gpm_roi_handler;
extern void *gpm_roi_data;
extern Gpm_Roi *gpm_roi;
extern Gpm_Roi *gpm_current_roi;
/*....................................... Prototypes for the client */
/* all of them return 0 or errno */
#include <stdio.h> /* needed to get FILE */
#include <sys/ioctl.h> /* to get the prototype for ioctl() */
/* liblow.c */
extern int Gpm_Open(Gpm_Connect *, int);
extern int Gpm_Close(void);
extern int Gpm_GetEvent(Gpm_Event *);
extern int Gpm_CharsQueued(void);
extern int Gpm_Getc(FILE *);
#define Gpm_Getchar() Gpm_Getc(stdin)
extern int Gpm_Repeat(int millisec);
extern int Gpm_FitValuesM(int *x, int *y, int margin);
#define Gpm_FitValues(x,y) Gpm_FitValuesM((x),(y),-1);
#define Gpm_FitEvent(ePtr) \
do { \
int _x, _y; \
if ((ePtr)->margin && ((ePtr)->type&(GPM_DRAG | GPM_UP))) \
{ \
_x = (ePtr)->x; \
_y = (ePtr)->y; \
Gpm_FitValuesM(&_x, &_y, (ePtr)->margin); \
(ePtr)->x = _x; \
(ePtr)->y = _y; \
} \
} while(0) \
/* the following is a (progn ...) form */
#define Gpm_DrawPointer(x, y, fd) \
(_gpm_buf[sizeof(short)-1] = 2, \
_gpm_arg[0] = _gpm_arg[2] = \
(unsigned short)(x)+gpm_zerobased, \
_gpm_arg[1] = _gpm_arg[3] = \
(unsigned short)(y)+gpm_zerobased, \
_gpm_arg[4] = (unsigned short)3, \
ioctl(fd, TIOCLINUX, _gpm_buf+sizeof(short)-1))
/* the following is a heavy thing ... */
extern int gpm_consolefd; /* liblow.c */
/* #define GPM_DRAWPOINTER(event) \
* ((gpm_consolefd=open("/dev/console",O_RDWR))>=0 && \
* Gpm_DrawPointer((event)->x,(event)->y,gpm_consolefd), \
* close(gpm_consolefd))
*/
#define GPM_DRAWPOINTER(ePtr) \
(Gpm_DrawPointer((ePtr)->x,(ePtr)->y,gpm_consolefd))
/* libhigh.c */
Gpm_Handler Gpm_HandleRoi;
Gpm_Roi *Gpm_PushRoi(int x, int y, int X, int Y, int mask,
Gpm_Handler *fun, void *xtradata);
Gpm_Roi * Gpm_PopRoi(Gpm_Roi *which);
Gpm_Roi * Gpm_RaiseRoi(Gpm_Roi *which, Gpm_Roi *before);
Gpm_Roi * Gpm_LowerRoi(Gpm_Roi *which, Gpm_Roi *after);
/* libcurses.c */
/* #include <curses.h> Hmm... seems risky */
extern int Gpm_Wgetch();
#define Gpm_Getch() (Gpm_Wgetch(NULL))
/* libxtra.c */
char *Gpm_GetLibVersion(int *where);
char *Gpm_GetServerVersion(int *where);
int Gpm_GetSnapshot(Gpm_Event *ePtr);
/* tools.c: do they really need to be exported? Can't we keep them in gpmInt.h ? */
char *Gpm_get_console( void );
int Gpm_x_high_y(int base, int pot_y);
int Gpm_cnt_digits(int number);
void gpm_oops(int line, char *file, char *text, ... );
/* report.c / report-lib.c */
void gpm_report(int line, char *file, int stat, char *text, ... );
#ifdef __cplusplus
};
#endif
#endif /* _GPM_H_ */
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