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/*****************************************************************************
* PROJECT: Mouse routines with 'real' graphic cursor in text mode.
*****************************************************************************
* MODULE: MOU.H
*****************************************************************************
* DESCRIPTION:
* Header file for the mouse routines.
*
*****************************************************************************
* MODIFICATION NOTES:
* Date Author Comment
* 07-Jan-1991 dk Fixed bugs and set up for release to Usenet.
* 26-Oct-1990 dk Initial file.
*****************************************************************************
*
* DISCLAIMER:
*
* Programmers may incorporate any or all code into their programs,
* giving proper credit within the source. Publication of the
* source routines is permitted so long as proper credit is given
* to Dave Kirsch.
*
* Copyright (C) 1990, 1991 by Dave Kirsch. You may use this program, or
* code or tables extracted from it, as desired without restriction.
* I can not and will not be held responsible for any damage caused from
* the use of this software.
*
*****************************************************************************
* This source works with Turbo C 2.0 and MSC 6.0 and above.
*****************************************************************************/
/********************************************************/
/* 26-Oct-1990 - dk */
/* */
/* Standard types and constants I use in my programs. */
/* */
/********************************************************/
typedef unsigned char byte;
typedef unsigned short int word;
typedef unsigned short int mouseboolean;
typedef unsigned long int dword;
#define FALSE 0
#define TRUE (!FALSE)
#ifdef __TURBOC__
#define FAST pascal /* for fast calling of functions -- Turbo C */
#else
#define FAST _fastcall /* for fast calling of functions -- MicroSoft C 6.0 */
#define asm _asm
#endif
#define LOCAL near /* function can not be called outside of this module */
#define PRIVATE static /* function is private */
#define STATIC static /* private variables */
#ifndef MK_FP
#define MK_FP(seg,ofs) ((void far *) \
(((unsigned long)(seg) << 16) | (unsigned)(ofs)))
#endif
#ifndef poke
#define poke(a,b,c) (*((int far*)MK_FP((a),(b))) = (int)(c))
#define pokeb(a,b,c) (*((char far*)MK_FP((a),(b))) = (char)(c))
#define peek(a,b) (*((int far*)MK_FP((a),(b))))
#define peekb(a,b) (*((char far*)MK_FP((a),(b))))
#endif
/***************************************************/
/* Mon 07-Jan-1991 - dk */
/* */
/* Variables and defines for the mouse routines. */
/* */
/***************************************************/
/* Size of mouse "click" ahead buffer. */
#define MOUSEBUFFERSIZE 16
/* Bit defines for mouse driver function 12 -- define handler. */
#define MOUSEMOVE 1
#define LEFTBPRESS 2
#define LEFTBRELEASE 4
#define RIGHTBPRESS 8
#define RIGHTBRELEASE 16
#define MIDBPRESS 32
#define MIDBRELEASE 64
#define LEFTBDOWN 1
#define RIGHTBDOWN 2
#define MIDBDOWN 4
/* Shift states for byte a 0:417h
bit 7 =1 INSert active
bit 6 =1 Caps Lock active
bit 5 =1 Num Lock active
bit 4 =1 Scroll Lock active
bit 3 =1 either Alt pressed
bit 2 =1 either Ctrl pressed
bit 1 =1 Left Shift pressed
bit 0 =1 Right Shift pressed
*/
#define SHIFT_RIGHTSHIFT 0x01
#define SHIFT_LEFTSHIFT 0x02
#define SHIFT_SHIFT 0x03 /* Either shift key. */
#define SHIFT_CTRL 0x04
#define SHIFT_ALT 0x08
#define SHIFT_SCROLLLOCK 0x10
#define SHIFT_NUMLOCK 0x20
#define SHIFT_CAPSLOCK 0x40
#define SHIFT_INS 0x80
/* Mouse information record */
struct minforectype {
word buttonstat;
word cx, cy;
byte shiftstate;
};
#define MOUINFOREC struct minforectype
extern word mousehidden; /* Is the mouse on? Additive flag */
extern mouseboolean mouseinstalled; /* Is the mouse installed? */
extern volatile word mousex, mousey; /* Mouse coordinates in characters. */
/* Initialize the mouse routines -- must be called. */
void FAST MOUinit(void);
/* Deinitialize the mouse routines -- must be called on shutdown.
Failure to call it will most likely result in a system crash if the mouse
is moved. */
void FAST MOUdeinit(void);
/* Hide the mouse cursor */
void FAST MOUhide(void);
/* Hide the mouse cursor if it moves or is in a specific rectangular region
of the screen. */
void FAST MOUconditionalhide(int x1, int y1, int x2, int y2);
/* Show the mouse cursor */
void FAST MOUshow(void);
/* return TRUE if there are events waiting in the buffer. */
mouseboolean FAST MOUcheck(void);
/* look at the next event in the buffer, but don't pull it out. */
void FAST MOUpreview(MOUINFOREC *mouinforec);
/* get and remove next event from the buffer. */
void FAST MOUget(MOUINFOREC *mouinforec);
/* return the current status of the mouse buttons (see defines above). */
word FAST MOUbuttonstatus(void);
/* Set the mouse cursor to a specific screen position. */
void FAST MOUsetpos(word x, word y);
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