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/*
* Project: S.Ha.R.K.
*
* Coordinators:
* Giorgio Buttazzo <giorgio@sssup.it>
* Paolo Gai <pj@gandalf.sssup.it>
*
* Authors :
* Paolo Gai <pj@gandalf.sssup.it>
* Massimiliano Giorgi <massy@gandalf.sssup.it>
* Luca Abeni <luca@gandalf.sssup.it>
* (see the web pages for full authors list)
*
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
*
* http://www.sssup.it
* http://retis.sssup.it
* http://shark.sssup.it
*/
/**
------------
CVS : $Id: _mouse.h,v 1.1.1.1 2002-03-29 14:12:49 pj Exp $
File: $File$
Revision: $Revision: 1.1.1.1 $
Last update: $Date: 2002-03-29 14:12:49 $
------------
_mouse.h
**/
/*
* Copyright (C) 2000 Paolo Gai
*
* 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 ___MOUSE_H__
#define ___MOUSE_H__
/* "virtual operations" on a mouse */
struct mouse_operations {
char *name; /* name! */
char *desc; /* a descriptive line */
BYTE proto[4];
int packetlen; /* lenght of a packet */
int howmany; /* howmany bytes to read at a time (unused) */
int getextra; /* there is a extra byte (unused) */
int absolute; /* absolute pointing devide (unused) */
int dummy; /* (unused) */
int (*open)(void*); /* open comunication device */
void (*close)(void); /* close comunication device */
void (*wait)(void); /* wait to have a BYTE (blocking operation)*/
int (*get)(BYTE *ptr); /* get last BYTE */
void (*enable)(void); /* enable interface */
void (*disable)(void); /* disable interface */
/* this function decode the mouse packet into a MOUSE_EVT structure */
int (*decode)(MOUSE_EVT *evt,unsigned char *data);
};
/* to virtualize interface beetwen a mouse device and a mouse protocol */
extern int mousetype;
extern struct mouse_operations vmouse[];
/* functions and variables (to use virtual operation)*/
extern int (*open_mouse)(void*); /* open comunication device */
extern void (*close_mouse)(void); /* close comunication device */
extern void (*wait_mouse)(void); /* wait to have a BYTE (blocking operation)*/
extern int (*get_mouse)(BYTE *data); /* get last BYTE */
extern void (*enable_mouse)(void); /* enable interface */
extern void (*disable_mouse)(void); /* disable interface */
extern char *name_mouse;
extern char *desc_mouse;
extern BYTE *proto_mouse;
extern int packetlen_mouse;
/* used by mouse protocol task */
extern short int mouse_lim_x1;
extern short int mouse_lim_y1;
extern short int mouse_lim_x2;
extern short int mouse_lim_y2;
extern short int mouse_x;
extern short int mouse_x_mick;
extern short int mouse_y;
extern short int mouse_y_mick;
extern short int mouse_buttons;
extern short int mouse_thresholdlim;
extern MOUSE_HANDLER mouse_handler;
/* a generic mouse server */
extern TASK generalmouse_server(void);
/*
* mouse autocursor variables
*/
/* mask to extrac the status from autocursormode */
#define STATUSMASK 0x0f
/* flags for autocursormode (there are some other flags into mouse.h) */
#define GRXCURSOR 0x100
#define TXTCURSOR 0x200
/* cursor status and flags */
extern int autocursormode;
/* this functions is used to enable/disable the cursor */
/* (it is here to be used by the mcurgrx.c module) */
int _mouse_cursor_init(int cmd,
void(*my_show_cursor)(int,int),
void(*my_restore_cursor)(int,int)
);
/* this is used by mcurgrx.c to know the last mouse position */
/* (to not declare saved_x & saved_y public) */
void _mouse_getsavedposition(int *xptr, int *yptr);
#endif