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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_ */
-