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CXLWIN.H
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C/C++ Source or Header
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1989-03-27
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21KB
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417 lines
/*
┌──────────────────────────────────────────────────────────────────────────┐
│ │
│ CXLWIN.H - CXL is Copyright (c) 1987-1989 by Mike Smedley. │
│ │
│ This header file contains function prototypes and definitions for │
│ windowing functions. │
│ │
└──────────────────────────────────────────────────────────────────────────┘
*/
#if defined(__TURBOC__) /* Turbo C */
#if __STDC__
#define _Cdecl
#else
#define _Cdecl cdecl
#endif
#define _Near
#elif defined(__ZTC__) /* Zortech C++ */
#define _Cdecl
#define _Near
#elif defined(M_I86) && !defined(__ZTC__) /* Microsoft C/QuickC */
#if !defined(NO_EXT_KEYS)
#define _Cdecl cdecl
#define _Near near
#else
#define _Cdecl
#define _Near
#endif
#elif defined(__POWERC__) /* Power C */
#define _Cdecl
#define _Near
#endif
/*------------------------------[ WINDOW type ]------------------------------*/
typedef int WINDOW;
/*---------------------------[ function prototypes ]-------------------------*/
int _Cdecl wactiv(WINDOW whandle);
int _Cdecl wborder(int btype);
int _Cdecl wbox(int wsrow,int wscol,int werow,int wecol,int btype
,int attr);
int _Cdecl wcclear(int attr);
int _Cdecl wcenters(int wrow,int attr,char *str);
int _Cdecl wchgattr(int battr,int wattr);
int _Cdecl wchkbox(int wsrow,int wscol,int werow,int wecol);
int _Cdecl wchkcol(int wcol);
int _Cdecl wchkcoord(int wrow,int wcol);
int _Cdecl wchkrow(int wrow);
int _Cdecl wclose(void);
int _Cdecl wcloseall(void);
int _Cdecl wclreol(void);
int _Cdecl wclreos(void);
WINDOW _Cdecl wcopy(int nsrow,int nscol);
int _Cdecl wdelline(int wrow,int direc);
int _Cdecl wdump(void);
int _Cdecl wdupc(int ch,int count);
int _Cdecl wdups(char *str,int count);
char *_Cdecl werrmsg(void);
int _Cdecl wfill(int wsrow,int wscol,int werow,int wecol,int ch,int attr);
struct _wrec_t *_Cdecl wfindrec(WINDOW whandle);
int _Cdecl wgetc(void);
int _Cdecl wgetchf(char *valid,int defchar);
int _Cdecl wgetns(char *str,int maxchars);
int _Cdecl wgets(char *str);
int _Cdecl wgotoxy(int wrow,int wcol);
WINDOW _Cdecl whandle(void);
int _Cdecl whelpcat(int cat);
int _Cdecl whelpclr(void);
int _Cdecl whelpdef(char *file,unsigned key,int winattr,int textattr,
int selattr,int barattr,void (_Cdecl *open)(void));
int _Cdecl whelpop(void);
int _Cdecl whelpopc(void);
int _Cdecl whelpush(void);
int _Cdecl whelpushc(int cat);
int _Cdecl whide(void);
int _Cdecl whline(int wsrow,int wscol,int count,int btype,int attr);
WINDOW _Cdecl windowat(int row,int col);
int _Cdecl winpbeg(int fieldattr,int textattr);
int _Cdecl winpdef(int wrow,int wcol,char *str,char *format,int fconv,
int mode,int (_Cdecl *validate) (char *),int help);
int _Cdecl winpfba(void (_Cdecl *before)(void),
void (_Cdecl *after)(void));
struct _field_t *_Cdecl winpffind(int wrow,int wcol);
int _Cdecl winpread(void);
int _Cdecl winputsf(char *str,char *fmt);
int _Cdecl winsline(int wrow,int direc);
int _Cdecl wmenubeg(int srow,int scol,int erow,int ecol,int btype,
int battr,int wattr,void (_Cdecl *open)(void));
int _Cdecl wmenubegc(void);
int _Cdecl wmenuend(int taginit,int menutype,int barwidth,int textpos,
int textattr,int scharattr,int noselattr,int barattr);
int _Cdecl wmenuget(void);
int _Cdecl wmenuiba(void (_Cdecl *before)(void),
void (_Cdecl *after)(void));
struct _item_t *_Cdecl wmenuifind(int tagid);
int _Cdecl wmenuitem(int wrow,int wcol,char *str,int schar,int tagid,
int fmask,void (_Cdecl *select)(void),
unsigned hotkey,int help);
int _Cdecl wmenuitxt(int wrow,int wcol,int attr,char *str);
int _Cdecl wmessage(char *str,int border,int leftofs,int attr);
int _Cdecl wmove(int nsrow,int nscol);
WINDOW _Cdecl wopen(int srow,int scol,int erow,int ecol,int btype,int battr,
int wattr);
int _Cdecl wperror(char *message);
int _Cdecl wpgotoxy(int wrow,int wcol);
char *_Cdecl wpickfile(int srow,int scol,int erow,int ecol,int btype,
int bordattr,int winattr,int barattr,int title,
char *filespec,void (_Cdecl *open)(void));
int _Cdecl wpickstr(int srow,int scol,int erow,int ecol,int btype,
int bordattr,int winattr,int barattr,char *strarr[],
void (_Cdecl *open)(void));
int _Cdecl wprintc(int wrow,int wcol,int attr,int ch);
int _Cdecl wprintf(const char *format,...);
int _Cdecl wprints(int wrow,int wcol,int attr,char *str);
int _Cdecl wprintsf(int wrow,int wcol,int attr,char *format,char *str);
int _Cdecl wputc(int ch);
int _Cdecl wputns(char *str,int width);
int _Cdecl wputs(char *str);
int _Cdecl wputsw(char *str);
int _Cdecl wreadcur(int *wrow,int *wcol);
void _Cdecl wrestore(int *wbuf);
int _Cdecl wrjusts(int wrow,int wjcol,int attr,char *str);
int *_Cdecl wsave(int srow,int scol,int erow,int ecol);
int _Cdecl wscanf(const char *format,...);
int _Cdecl wscroll(int count,int direc);
int _Cdecl wscrollbox(int wsrow,int wscol,int werow,int wecol,int count,
int direction);
int _Cdecl wselstr(int wrow,int wcol,int attr,char *strarr[]);
int _Cdecl wshadoff(void);
int _Cdecl wshadow(int attr);
int _Cdecl wsize(int nerow,int necol);
int _Cdecl wtextattr(int attr);
int _Cdecl wtitle(char *str,int tpos,int tattr);
int _Cdecl wunhide(WINDOW whandle);
int _Cdecl wvline(int wsrow,int wscol,int count,int btype,int attr);
int _Cdecl wwprints(WINDOW whandle,int wrow,int wcol,int attr,char *str);
/*-------------[ error codes returned from windowing functions ]-------------*/
#define W_NOERROR 0 /* no error */
#define W_ESCPRESS 1 /* Escape key was pressed */
#define W_ALLOCERR 2 /* memory allocation error */
#define W_NOTFOUND 3 /* record not found */
#define W_NOACTIVE 4 /* no active window */
#define W_INVCOORD 5 /* invalid coordinates */
#define W_INVFORMT 6 /* invalid format string */
#define W_NOINPDEF 7 /* no input fields defined */
#define W_STRLONG 8 /* string too long for window */
#define W_INVBTYPE 9 /* invalid box type */
#define W_NOBORDER 10 /* no window border */
#define W_NOHIDDEN 11 /* no hidden windows */
#define W_NOTHIDD 12 /* window is not hidden */
#define W_NOSELECT 13 /* no selectable menu items */
#define W_NOITMDEF 14 /* no menu items defined */
#define W_NOMNUEND 15 /* no end of menu specified */
#define W_NOMNUDEF 16 /* no menu defined */
#define W_NOMNUBEG 17 /* no begin of menu specified */
#define W_NOFRMDEF 18 /* no form defined */
#define W_NOFRMBEG 19 /* no begin of form specified */
#define W_NOHLPDEF 20 /* no help record defined */
#define W_HLPSTKOV 21 /* help stack overflow */
#define W_HLPSTKUN 22 /* help stack underflow */
#define W_DOSERROR 23 /* DOS error */
#define W_NOMATCH 24 /* no files matched input filespec */
/*---------------[ direction codes for scrolling functions ]----------------*/
#define SDOWN 0 /* scroll down */
#define SUP 1 /* scroll up */
/*----------------------[ menu item record definition ]----------------------*/
struct _item_t {
struct _item_t *prev; /* pointer to previous record */
struct _item_t *next; /* pointer to next record */
void *child; /* pointer to submenu's record */
char *str; /* address of selection string */
char *desc; /* text description of menu option */
void (*select) (void); /* address of selection function */
void (*before) (void); /* address of "before" function */
void (*after) (void); /* address of "after" function */
int tagid; /* tag identifier */
int help; /* help category number */
unsigned hotkey; /* hot key to select function */
unsigned char schar; /* quick selection character */
unsigned char wrow; /* start of text - window row */
unsigned char wcol; /* start of text - window column */
unsigned char fmask; /* special feature mask */
unsigned char dwrow; /* description window row */
unsigned char dwcol; /* description window column */
unsigned char dattr; /* description attribute */
unsigned char redisp; /* redisplay flag */
};
/*--------------------[ window menu record definition ]----------------------*/
struct _menu_t {
struct _menu_t *prev; /* pointer to prev menu structure */
struct _menu_t *next; /* pointer to next menu structure */
struct _menu_t *parent; /* pointer to parent menu */
struct _item_t *item; /* pointer to head menu item */
struct _item_t *citem; /* pointer to current menu item */
void (*open) (void); /* address of post-opening function */
int tagcurr; /* tag ID of item selection bar on */
unsigned char usecurr; /* will menu use current window? */
unsigned char srow; /* starting row of menu window */
unsigned char scol; /* starting column of menu window */
unsigned char erow; /* ending row of menu window */
unsigned char ecol; /* ending column of menu window */
unsigned char btype; /* menu window border type */
unsigned char battr; /* menu window border attribute */
unsigned char wattr; /* menu window attribute */
unsigned char menutype; /* menu type mask */
unsigned char barwidth; /* width of menu bar or zero */
unsigned char textpos; /* offset of text from start of bar */
unsigned char textattr; /* attribute of menu text */
unsigned char scharattr; /* attribute of selection character */
unsigned char noselattr; /* non-selectable text attribute */
unsigned char barattr; /* attribute of selection bar */
};
/*-----------------------[ window information record ]-----------------------*/
struct _winfo_t {
struct _wrec_t *active; /* pointer to active window */
struct _wrec_t *hidden; /* pointer to head hidden window */
struct _menu_t *menu; /* pointer to head menu record */
struct _menu_t *cmenu; /* pointer to current menu record */
WINDOW handle; /* last handle given to a window */
int help; /* current help category */
int errno; /* error num from last window func */
int total; /* total number of open windows */
int mlevel,ilevel; /* system variables used in menus */
unsigned char esc; /* check for Esc in input funcions? */
unsigned char tabwidth; /* window TTY output tab width */
char fillch; /* character to fill windows with */
};
extern struct _winfo_t _Near _Cdecl _winfo;
/*-------------------[ fmask definitions for wmenuitem() ]-------------------*/
#define M_HASPD 1 /* has pull-down menu attached */
#define M_NOSEL 2 /* is not selectable */
#define M_CLOSE 4 /* close this menu when selected */
#define M_CLALL 8 /* close all menus when selected */
/*------------------[ menutype definitions for wmenuend() ]------------------*/
#define M_HORZ 1 /* horizontal menu */
#define M_VERT 2 /* vertical menu */
#define M_OMNI 7 /* omnidirectional menu */
#define M_PD 8 /* pull-down menu */
#define M_NOQS 16 /* disable quick selection */
#define M_SAVE 32 /* save last bar position */
/*------------------[ special return codes from wmenuget() ]-----------------*/
#define M_EXIT 32764 /* exit menu */
#define M_EXITALL 32765 /* exit all menus */
#define M_PREVPD 32766 /* previous pull-down menu */
#define M_NEXTPD 32767 /* next pull-down menu */
/*---------------------[ window input field definition ]---------------------*/
struct _field_t {
struct _field_t *prev; /* pointer to previous field */
struct _field_t *next; /* pointer to next field */
char *str; /* address of receiving string */
char *buf; /* address of temp receive string */
char *format; /* input field format string */
int (*validate) (char *); /* address of validation function */
void (*before) (void); /* address of "before" function */
void (*after) (void); /* address of "after" function */
int help; /* help category number */
int lenbuf; /* length of buffer */
int lenfld; /* length of screen input field */
int lenfmt; /* length of format string */
unsigned char wrow; /* start of input - window row */
unsigned char wcol; /* start of input - window column */
unsigned char mode; /* 0=init, 1=update, 2=cond update */
unsigned char decpos; /* decimal position (numeric) */
unsigned char redisp; /* redisplay flag */
char fconv; /* field conversion character */
};
/*-------------------[ window data entry form definition ]-------------------*/
struct _form_t {
struct _form_t *prev; /* pointer to previous form record */
struct _form_t *next; /* pointer to next form record */
struct _field_t *field; /* pointer to head field record */
struct _field_t *cfield; /* pointer to current field record */
char *pformat; /* format string pointer */
char *pbuf; /* buffer string pointer */
unsigned char cwrow; /* current window row */
unsigned char cwcol; /* current window column */
unsigned char decimal; /* decimal field flag */
unsigned char insert; /* insert mode flag */
unsigned char fieldattr; /* field attribute */
unsigned char textattr; /* text attribute */
};
/*----------------------[ structure of window records ]----------------------*/
struct _wrec_t {
struct _wrec_t *prev; /* pointer to previous window record */
struct _wrec_t *next; /* pointer to next window record */
struct _form_t *form; /* pointer to head form record */
int *wbuf; /* address of window's buffer */
int *wsbuf; /* address of window shadow's buffer */
char *title; /* address of window's title string */
WINDOW whandle; /* window's handle */
int help; /* help category number */
unsigned char srow; /* start row of window */
unsigned char scol; /* start column of window */
unsigned char erow; /* end row of window */
unsigned char ecol; /* end column of window */
unsigned char btype; /* window's box type */
unsigned char wattr; /* window's initial text attribute */
unsigned char battr; /* atrribute of window's border */
unsigned char border; /* has border? 0 = no, 1 = yes */
unsigned char row; /* window's current cursor row */
unsigned char column; /* window's current cursor column */
unsigned char attr; /* window's current text attribute */
unsigned char tpos; /* position of window's title */
unsigned char tattr; /* attribute of window's title */
unsigned char wsattr; /* attribute of window's shadow */
};
/*------------[ window title position definitions for wtitle() ]-------------*/
#define TLEFT 1 /* left justified */
#define TCENTER 2 /* centered */
#define TRIGHT 3 /* right justified */
/*------------------------[ definition of NULL ]-----------------------------*/
#if !defined(NULL)
#if defined(__TURBOC__) /* Turbo C */
#if defined(__TINY__) || defined(__SMALL__) || defined(__MEDIUM__)
#define NULL 0
#else
#define NULL 0L
#endif
#elif defined(__ZTC__) /* Zortech C++ */
#ifdef LPTR
#define NULL 0L
#else
#define NULL 0
#endif
#elif defined(M_I86) && !defined(__ZTC__) /* Microsoft C/QuickC */
#if defined(M_I86SM) || defined(M_I86MM)
#define NULL 0
#else
#define NULL 0L
#endif
#elif defined(__POWERC__) /* Power C */
#define NULL 0
#endif
#endif
/*--------------[ attribute codes for functions that use them ]--------------*/
#if !defined(BLACK) /* foreground colors */
#define BLACK 0
#define BLUE 1
#define GREEN 2
#define CYAN 3
#define RED 4
#define MAGENTA 5
#define BROWN 6
#define YELLOW 14
#define WHITE 15
#endif
#if !defined(LGREY)
#define LGREY 7 /* CXL abbreviates LIGHT as L */
#define DGREY 8 /* and DARK as D for ease of use */
#define LBLUE 9
#define LGREEN 10
#define LCYAN 11
#define LRED 12
#define LMAGENTA 13
#define _BLACK 0 /* background colors */
#define _BLUE 16
#define _GREEN 32
#define _CYAN 48
#define _RED 64
#define _MAGENTA 80
#define _BROWN 96
#define _LGREY 112
#endif
#if !defined(BLINK)
#define BLINK 128 /* blink attribute */
#endif
/*----------------------------[ macro functions ]----------------------------*/
#if !defined(MK_FP)
#define MK_FP(seg,ofs) ((void far *) (((unsigned long)(seg) << 16) | \
(unsigned)(ofs)))
#endif
#define wclear() wcclear(_winfo.active->wattr)
#define wfillch(a) (_winfo.fillch=a)
#define winpfcurr() (_winfo.active->form->cfield)
#define wisactiv(a) ((a==_winfo.active->whandle)?1:0)
#define wmenumcurr() (_winfo.cmenu)
#define wmenuicurr() (wmenumcurr()->citem)
#define wsetesc(a) (_winfo.esc=a)
#define wtabwidth(a) (_winfo.tabwidth=((a==0)?1:a))