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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 1.2 2004-06-02 13:54:52 giacomo Exp $

 File:        $File$

 Revision:    $Revision: 1.2 $

 Last update: $Date: 2004-06-02 13:54:52 $

 ------------

**/

/**

 ------------

 CVS :        $Id: mouse.h,v 1.2 2004-06-02 13:54:52 giacomo Exp $

 File:        $File$

 Revision:    $Revision: 1.2 $

 Last update: $Date: 2004-06-02 13:54:52 $

 ------------

 Author:        Gerardo Lamastra

 Date:  9/5/96

**/

/*

 * 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

 *

 */

/* Revision:    1.0.1                                           */

/* -- added support for PS/2 mouse                              */

/* -- changed mouse_init()                                      */

/* By Massy:

 * -- added support for mouse cursor (pointer)

 * -- interface changed

 */

#ifndef __MOUSE_H__

#define __MOUSE_H__

#include <kernel/const.h>

#include "ll/sys/cdefs.h"

__BEGIN_DECLS

/* mouse buttons constant */  

#define MOUSE_RBUTT     1

#define MOUSE_CBUTT     2

#define MOUSE_LBUTT     4

/* the mouse event struct */

typedef struct {

  int x,y;        /* mouse position */

  int dx,dy;      /* distance covered by mouse */

  int buttons;    /* buttons flags */

} MOUSE_EVT;

/* macros to test mouse buttons */

#define isLeftButton(m)    ((m).buttons & MOUSE_LBUTT)

#define isRightButton(m)   ((m).buttons & MOUSE_RBUTT)

#define isCentralButton(m) ((m).buttons & MOUSE_CBUTT)

/* user mouse handler */

typedef void (*MOUSE_HANDLER)(MOUSE_EVT*);

/* mouse types */

/* (run examples/mfind.c for a description)*/

#define MSMOUSE     0x00

#define MSPMOUSE    0x01

#define MSPLRMOUSE  0x02

#define BAREMOUSE   0x03

#define MSCMOUSE    0x04

#define SUNMOUSE    0x05

#define MMMOUSE     0x06

#define LOGIMOUSE   0x07

#define PS2MOUSE    0x08

#define NOMOUSE     0xff

/*

 * mouse initialization

 */

#define MOUSE_DEFAULT (DWORD)-1

/* the MOUSE_PARMS structure used by mouse_init() */

typedef struct mouse_parms {

  TASK_MODEL *tm;

  int   type;            /* mouse types (constants above) */

  /* for serial mouse */

  int   port;            /* serial port (i.e. COM1, ...)  */  

} MOUSE_PARMS;

/* the default values for the MOUSE_PARMS structure */

#define BASE_MOUSE {(TASK_MODEL *)MOUSE_DEFAULT,MOUSE_DEFAULT,MOUSE_DEFAULT}

/* to change the MOUSE_PARMS struct */

#define mouse_default_parms(s)        (s).tm = (TASK_MODEL *)MOUSE_DEFAULT, \

                                      (s).type = MOUSE_DEFAULT,             \

                                      (s).port = MOUSE_DEFAULT

#define mouse_def_ms(s,p)             (s).type=MSMOUSE;    (s).port=(p)

#define mouse_def_msplus(s,p)         (s).type=MSPMOUSE;   (s).port=(p)

#define mouse_def_mspluslr(s,p)       (s).type=MSPLRMOUSE; (s).port=(p)

#define mouse_def_bare(s,p)           (s).type=BAREMOUSE;  (s).port=(p)

#define mouse_def_msc(s,p)            (s).type=MSCMOUSE;   (s).port=(p)

#define mouse_def_sun(s,p)            (s).type=SUNMOUSE;   (s).port=(p)

#define mouse_def_mm(s,p)             (s).type=MMMOUSE;    (s).port=(p)

#define mouse_def_logi(s,p)           (s).type=LOGIMOUSE;  (s).port=(p)

#define mouse_def_ps2(s)              (s).type=PS2MOUSE

#define mouse_def_task(s,m)           (s).tm=(m)

/*

 * user mouse interface

 */

int  mouse_init(MOUSE_PARMS *s);

void mouse_enable(void);

void mouse_disable(void);

void mouse_get(int *x,int *y,BYTE *button);

void mouse_position(int x,int y);

void mouse_limit(int x1,int y1,int x2,int y2);

void mouse_threshold(unsigned t);

void mouse_hook(MOUSE_HANDLER h);

void mouse_end(void);

/*

 *

 * mouse autocursor management

 *

 */

/* commands for mouse_grxcursor() & mouse_txtcursor() */

#define DISABLE   0x00

#define ENABLE    0x01

/* flags for mouse_grxcursor() & mouse_txtcursor() (to use with '|') */

#define WITHOUTSEM 0x10

#define AUTOOFF    0x20

/* dimensions of the grx shape */

#define MOUSESHAPEDX 16

#define MOUSESHAPEDY 16

/* hot-spot of the grx image (coordinates of the center's shape, zero-based) */

#define MOUSEHOTSPOTX 3

#define MOUSEHOTSPOTY 1

/* those macros can be used to set the correct mouse_limit() when

 * the graphics autocursor is enable (to avoid wrong shape position because

 * there is not graphics clip functions)

 */

#define XMINLIMIT(dimx,dimy) (MOUSEHOTSPOTX)

#define XMAXLIMIT(dimx,dimy) ((dimx)-MOUSESHAPEDX+MOUSEHOTSPOTX)

#define YMINLIMIT(dimx,dimy) (MOUSEHOTSPOTY)

#define YMAXLIMIT(dimx,dimy) ((dimy)-MOUSESHAPEDY+MOUSEHOTSPOTY)

#define mouse_grxlimit(dimx,dimy) mouse_limit(\

XMINLIMIT(dimx,dimy), \

YMINLIMIT(dimx,dimy), \

XMAXLIMIT(dimx,dimy), \

YMAXLIMIT(dimx,dimy)  \

)

/* these are used to select the mouse shape */

int mouse_txtshape(DWORD img);

int mouse_grxshape(BYTE *shape,BYTE *mask);

/* enable/disable mouse pointer */

/* (return <0 on error) */

/* (for the cmd parameter see above) */

int mouse_grxcursor(int cmd);

int mouse_txtcursor(int cmd);

/* mouse on/off (or show/hide) */

void (*mouse_on)(void);

void (*mouse_off)(void);

__END_DECLS

#endif