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519 mauro 1 
/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
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 *   Luca Abeni          <luca@gandalf.sssup.it>
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 *   Mauro Marinoni      <mauro.marinoni@unipv.it>
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 *
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/* Glue Layer Header Linux Input Driver*/
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#ifndef __SHARK_MOUSE26_H__
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#define __SHARK_MOUSE26_H__
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#include <kernel/const.h>
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#include <kernel/model.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* mouse buttons constant */  
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#define MOUSE_RBUTT     1
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#define MOUSE_CBUTT     2
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#define MOUSE_LBUTT     4
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/* the mouse event struct */
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typedef struct {
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        int x, y, z;            /* mouse position */
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        int dx, dy, dz;         /* distance covered by mouse */
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        unsigned long buttons;  /* buttons flags */
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} MOUSE_EVT;
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/* macros to test mouse buttons */
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#define isLeftButton(b)         ((b) & MOUSE_LBUTT)
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#define isRightButton(b)        ((b) & MOUSE_RBUTT)
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#define isCentralButton(b)      ((b) & MOUSE_CBUTT)
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/*
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 * mouse initialization
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 */
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/* the MOUSE_PARMS structure used by MOUSE26_init() */
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typedef struct mouse_parms {
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        TASK_MODEL *tm;
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        int xmin;
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        int ymin;
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        int xmax;
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        int ymax;
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        int threshold;
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} MOUSE_PARMS;
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#define MOUSE_DEFAULT (DWORD)-1
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/* the default values for the MOUSE_PARMS structure */
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#define BASE_MOUSE {(TASK_MODEL *)MOUSE_DEFAULT, \
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                    (int)MOUSE_DEFAULT, \
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                    (int)MOUSE_DEFAULT, \
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                    (int)MOUSE_DEFAULT, \
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                    (int)MOUSE_DEFAULT, \
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                    (int)MOUSE_DEFAULT}
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/* to change the MOUSE_PARMS struct */
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#define mouse_default_parms(s)  (s).tm = (TASK_MODEL *)MOUSE_DEFAULT, \
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                                (s).xmin = (int)MOUSE_DEFAULT, \
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                                (s).xmin = (int)MOUSE_DEFAULT, \
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                                (s).xmin = (int)MOUSE_DEFAULT, \
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                                (s).xmin = (int)MOUSE_DEFAULT, \
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                                (s).xmin = (int)MOUSE_DEFAULT
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#define mouse_def_task(s,m)     (s).tm = (TASK_MODEL *)(m)
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#define mouse_def_thresh(s,v)   (s).threshold = (v)
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#define mouse_def_xmin(s,v)     (s).xmin = (v)
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#define mouse_def_ymin(s,v)     (s).ymin = (v)
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#define mouse_def_xmax(s,v)     (s).xmax = (v)
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#define mouse_def_ymax(s,v)     (s).ymax = (v)
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/* user mouse handler */
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typedef void (*MOUSE_HANDLER)(MOUSE_EVT*);
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/*
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 * user mouse interface
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 */
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int  MOUSE26_init(MOUSE_PARMS *s);
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int  MOUSE26_close(void);
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void mouse_enable(void);
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void mouse_disable(void);
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void mouse_getpos(int *x, int *y, int *z, unsigned long *buttons);
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void mouse_setpos(int  x, int  y, int z);
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void mouse_getlimit(int *xmin, int *ymin, int *xmax, int *ymax);
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int  mouse_setlimit(int  xmin, int  ymin, int  xmax, int  ymax);
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int  mouse_getthreshold(void);
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int  mouse_setthreshold(int t);
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void mouse_hook(MOUSE_HANDLER h);
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/*
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 *
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 * mouse autocursor management
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 *
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 */
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/* commands for mouse_grxcursor() & mouse_txtcursor() */
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#define DISABLE   0x00
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#define ENABLE    0x01
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/* flags for mouse_grxcursor() & mouse_txtcursor() (to use with '|') */
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#define WITHOUTSEM 0x10
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#define AUTOOFF    0x20
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/* mask to extrac the status from autocursormode */
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#define STATUSMASK 0x0f
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/* flags for autocursormode (there are some other flags into mouse.h) */
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#define GRXCURSOR 0x100
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#define TXTCURSOR 0x200
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/* dimensions of the grx shape */
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#define MOUSESHAPEDX 16
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#define MOUSESHAPEDY 16
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/* hot-spot of the grx image (coordinates of the center's shape, zero-based) */
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#define MOUSEHOTSPOTX 3
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#define MOUSEHOTSPOTY 1
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/* those macros can be used to set the correct mouse_limit() when
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 * the graphics autocursor is enable (to avoid wrong shape position because
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 * there is not graphics clip functions)
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 */
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#define XMINLIMIT(dimx,dimy) (MOUSEHOTSPOTX)
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#define XMAXLIMIT(dimx,dimy) ((dimx)-MOUSESHAPEDX+MOUSEHOTSPOTX)
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#define YMINLIMIT(dimx,dimy) (MOUSEHOTSPOTY)
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#define YMAXLIMIT(dimx,dimy) ((dimy)-MOUSESHAPEDY+MOUSEHOTSPOTY)
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#define mouse_grxlimit(dimx,dimy) mouse_limit(\
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        XMINLIMIT(dimx,dimy), \
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        YMINLIMIT(dimx,dimy), \
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        XMAXLIMIT(dimx,dimy), \
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        YMAXLIMIT(dimx,dimy)  \
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)
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/* these are used to select the mouse shape */
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int mouse_txtshape(DWORD img);
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int mouse_grxshape(BYTE *shape, BYTE *mask, int bpp_in);
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/* enable/disable mouse pointer */
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/* (return <0 on error) */
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/* (for the cmd parameter see above) */
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int mouse_grxcursor(int cmd, int bpp);
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int mouse_txtcursor(int cmd);
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/* mouse on/off (or show/hide) */
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void (*mouse_on)(void);
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void (*mouse_off)(void);
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523 mauro 169 
#ifdef __cplusplus
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};
519 mauro 171 
#endif
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#endif
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