/
ed.h
487 lines (436 loc) · 20.8 KB
/
ed.h
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/*_ ed.h Tue Mar 29 1988 Modified by: Walter Bright */
/*
* This file is the general header file for all parts of the MicroEMACS
* display editor. It contains definitions used by everyone, and it contains
* the stuff you have to edit to create a version of the editor for a specific
* operating system and terminal.
*/
#define AMIGA 0 /* AmigaDOS, Lattice */
#define ST520 0 /* ST520, TOS */
#define MWC86 0
#define BSDUNIX 0 /* BSD UN*X or Coherent */
#define VMS 0 /* VAX/VMS */
#define CPM 0 /* CP/M-86 */
#define HITACHI 0 /* if Hitachi PC */
#ifndef MSDOS /* Already defined for Lattice */
#define MSDOS 0 /* MS-DOS */
#endif
#ifndef _WIN32
#define _WIN32 0
#endif
/* Display options */
#ifndef VT52
#define VT52 0 /* VT52 terminal (Zenith). */
#endif
#ifndef TERMCAP
#define TERMCAP 0 // Use TERMCAP
#endif
#ifndef NCURSES
#define NCURSES 0 // Use unix ncurses package
#endif
#define IBMPC MSDOS /* IBM PC compatible display */
#define ANSI 0 /* using real ANSI terminal */
#define ANSISYS 0 /* using ANSI.SYS */
#define VT100 0 /* Handle VT100 style keypad. */
#define LK201 0 /* Handle LK201 style keypad. */
#define RAINBOW 0 /* Use Rainbow fast video. */
#if __OS2__
#define MOUSE 0
#else
#define MOUSE (MSDOS || _WIN32 || XTERM) // Use Mouse
#endif
#if !MSDOS && !__OS2__
#define near
#define far
#define pascal
#endif
typedef unsigned short attchar_t;
#if BSDUNIX
#define memcpy(to,from,nbytes) bcopy((from),(to),(nbytes))
#define memcmp(to,from,nbytes) bcmp((from),(to),(nbytes))
extern char *memmove();
#endif
#if MSDOS || _WIN32 || VMS
#define filcmp strcmpl
#else
#define filcmp strcmp
#endif
#define MYIO 1 /* Use my keybindings */
#define CVMVAS 1 /* C-V, M-V arg. in screens. */
#define NFILEN 80 /* # of bytes, file name */
#define NBUFN 80 /*16*/ /* # of bytes, buffer name */
#define NLINE 256 /* # of bytes, line */
#define NKBDM 256 /* # of strokes, keyboard macro */
#define NPAT 180 /* # of bytes, pattern */
#define HUGE 1000 /* Huge number */
#define AGRAVE 0x60 /* M- prefix, Grave (LK201) */
#define METACH 0x1B /* M- prefix, Control-[, ESC */
#define CTMECH 0x1C /* C-M- prefix, Control-\ */
#define EXITCH 0x1D /* Exit level, Control-] */
#define CTRLCH 0x1E /* C- prefix, Control-^ */
#define HELPCH 0x1F /* Help key, Control-_ */
/* Macro to give the number of elements in an array */
#define arraysize(array) (sizeof(array) / sizeof(array[0]))
#define MOUSEKEY 0x12345678
#if MSDOS || _WIN32
#if HITACHI
#define PREFIX 0x80 /* extended code is coming */
#define SCAN 0x1000 /* Scan code flag */
#define UPKEY (SCAN|0x78) /* Up arrow key */
#define DNKEY (SCAN|0x77) /* Down arrow key */
#define RTKEY (SCAN|0x75) /* Right arrow key */
#define LTKEY (SCAN|0x76) /* Left arrow key */
#define GOLDKEY F1KEY /* GOLD key */
#define F1KEY (SCAN|0xD1)
#define F2KEY (SCAN|0xD2)
#define F3KEY (SCAN|0xD3)
#define F4KEY (SCAN|0xD4)
#define F5KEY (SCAN|0xD5)
#define F6KEY (SCAN|0xD6)
#define F7KEY (SCAN|0xD7)
#define F8KEY (SCAN|0xD8)
#define F9KEY (SCAN|0xD9)
#define F10KEY (SCAN|0xDA)
#define InsKEY (SCAN|0xB3)
#define CtrlHome (0x0C)
#define CtrlEnd (SCAN|0x6D)
#define DelKEY (SCAN|0xB4)
#define CtrlRTKEY (SCAN|0x65)
#define CtrlLFKEY (SCAN|0x66)
#define HOMEKEY (SCAN|0x68) /* actually ctrl-^ */
#define ENDKEY (SCAN|0x67) /* actyally ctrl-v */
#define PgUpKEY (SCAN|0x79)
#define PgDnKEY (SCAN|0x7A)
#else /* IBM PC keyboard */
#define UPKEY 0x4800 /* Up arrow key */
#define DNKEY 0x5000 /* Down arrow key */
#define RTKEY 0x4D00 /* Right arrow key */
#define LTKEY 0x4B00 /* Left arrow key */
#define F1KEY 0x3B00
#define F2KEY 0x3C00
#define F3KEY 0x3D00
#define F4KEY 0x3E00
#define F5KEY 0x3F00
#define F6KEY 0x4000
#define F7KEY 0x4100
#define F8KEY 0x4200
#define F9KEY 0x4300
#define F10KEY 0x4400
#define F11KEY 0x5700
#define F12KEY 0x5800
#define AltF1KEY 0x6800
#define AltF2KEY 0x6900
#define AltF3KEY 0x6A00
#define AltF4KEY 0x6B00
#define AltF5KEY 0x6C00
#define AltF6KEY 0x6D00
#define AltF7KEY 0x6E00
#define AltF8KEY 0x6F00
#define AltF9KEY 0x7000
#define AltF10KEY 0x7100
#define ALTB 0x3000
#define ALTC 0x2E00
#define ALTD 0x2000
#define ALTE 0x1200
#define ALTF 0x2100
#define ALTH 0x2300
#define ALTM 0x3200
#define ALTX 0x2D00
#define ALTZ 0x2C00
#define InsKEY 0x5200
#define CtrlHome 0x7700
#define CtrlEnd 0x7500
#define DelKEY 0x5300
#define CtrlRTKEY 0x7400
#define CtrlLFKEY 0x7300
#define HOMEKEY 0x4700
#define ENDKEY 0x4F00
#define PgUpKEY 0x4900
#define PgDnKEY 0x5100
#define GOLDKEY ALTF
#define MENU_BUTTON ALTH
#endif /* IBM PC */
#else /* not MSDOS */
#if linux || __OpenBSD__ || __FreeBSD__ || __APPLE__
#define UPKEY 0x4800 /* Up arrow key */
#define DNKEY 0x5000 /* Down arrow key */
#define RTKEY 0x4D00 /* Right arrow key */
#define LTKEY 0x4B00 /* Left arrow key */
#define F1KEY 0x3B00
#define F2KEY 0x3C00
#define F3KEY 0x3D00
#define F4KEY 0x3E00
#define F5KEY 0x3F00
#define F6KEY 0x4000
#define F7KEY 0x4100
#define F8KEY 0x4200
#define F9KEY 0x4300
#define F10KEY 0x4400
#define F12KEY 0x4600
#define AltF1KEY 0x6800
#define AltF2KEY 0x6900
#define AltF3KEY 0x6A00
#define AltF4KEY 0x6B00
#define AltF5KEY 0x6C00
#define AltF6KEY 0x6D00
#define AltF7KEY 0x6E00
#define AltF8KEY 0x6F00
#define AltF9KEY 0x7000
#define AltF10KEY 0x7100
#define ALTB 0x3000
#define ALTC 0x2E00
#define ALTD 0x2000
#define ALTE 0x1200
#define ALTF 0x2100
#define ALTH 0x2300
#define ALTM 0x3200
#define ALTX 0x2D00
#define ALTZ 0x2C00
#define InsKEY 0x5200
#define CtrlHome 0x7700
#define CtrlEnd 0x7500
#define DelKEY 0x5300
#define CtrlRTKEY 0x7400
#define CtrlLFKEY 0x7300
#define HOMEKEY 0x4700
#define ENDKEY 0x4F00
#define PgUpKEY 0x4900
#define PgDnKEY 0x5100
#define GOLDKEY ALTF
#define MENU_BUTTON ALTH
#else
#define UPKEY 0x81 /* Up arrow key */
#define DNKEY 0x82 /* Down arrow key */
#define RTKEY 0x83 /* Right arrow key */
#define LTKEY 0x84 /* Left arrow key */
#define GOLDKEY 0x85 /* GOLD key */
#if TERMCAP
#define PF2KEY 0x86 /* PF2 key (Vt100 keypad) */
#define PF3KEY 0x87 /* PF3 key (Vt100 keypad) */
#define PF4KEY 0x88 /* PF4 key (Vt100 keypad) */
#define F0KEY 0x89 /* 0 key (Vt100 keypad) */
#define F1KEY 0x8A /* 1 key (Vt100 keypad) */
#define F2KEY 0x8B /* 2 key (Vt100 keypad) */
#define F3KEY 0x8C /* 3 key (Vt100 keypad) */
#define F4KEY 0x8D /* 4 key (Vt100 keypad) */
#define F5KEY 0x8E /* 5 key (Vt100 keypad) */
#define F6KEY 0x8F /* 6 key (Vt100 keypad) */
#define F7KEY 0x90 /* 7 key (Vt100 keypad) */
#define F8KEY 0x91 /* 8 key (Vt100 keypad) */
#define F9KEY 0x92 /* 9 key (Vt100 keypad) */
#define FDOTKEY 0x93 /* DOT key (Vt100 keypad) */
#define FMINUSKEY 0x94 /* MINUS key (Vt100 keypad) */
#define FCOMMAKEY 0x95 /* COMMA key (Vt100 keypad) */
#define FENTERKEY 0x96 /* ENTER key (Vt100 keypad) */
#define SCROLLUPKEY 0x97
#define SCROLLDNKEY 0x98
#define PAGEUPKEY 0x99
#define PAGEDNKEY 0x9A
#endif /* TCAP */
#endif
#endif /* not MSDOS */
#define CTRL(c) ((c)&0x1F) /* Control flag, or'ed in */
#define META METACH /* Meta flag, or'ed in */
#define CTLX CTRL('X') /* ^X flag, or'ed in */
#define GOLD GOLDKEY /* Another Meta flag, or'ed in */
#define FALSE 0 /* False, no, bad, etc. */
#define TRUE 1 /* True, yes, good, etc. */
#define ABORT 2 /* Death, ^G, abort, etc. */
#define FIOSUC 0 /* File I/O, success. */
#define FIOFNF 1 /* File I/O, file not found. */
#define FIOEOF 2 /* File I/O, end of file. */
#define FIOERR 3 /* File I/O, error. */
#define CFCPCN 0x0001 /* Last command was C-P, C-N */
#define CFKILL 0x0002 /* Last command was a kill */
/*
* There is a window structure allocated for every active display window. The
* windows are kept in a big list, in top to bottom screen order, with the
* listhead at "wheadp". Each window contains its own values of dot and mark.
* The flag field contains some bits that are set by commands to guide
* redisplay; although this is a bit of a compromise in terms of decoupling,
* the full blown redisplay is just too expensive to run for every input
* character.
*/
typedef struct WINDOW {
struct WINDOW *w_wndp; /* Next window */
struct BUFFER *w_bufp; /* Buffer displayed in window */
struct LINE *w_linep; /* Top line in the window */
struct LINE *w_dotp; /* Line containing "." */
short w_doto; /* Byte offset for "." */
struct LINE *w_markp; /* Line containing "mark" */
short w_marko; /* Byte offset for "mark" */
char w_toprow; /* Origin 0 top row of window */
char w_ntrows; /* # of rows of text in window */
char w_force; /* If NZ, forcing row. */
char w_flag; /* Flags. */
short w_startcol; /* starting column */
} WINDOW;
#define WFFORCE 0x01 /* Window needs forced reframe */
#define WFMOVE 0x02 /* Movement from line to line */
#define WFEDIT 0x04 /* Editing within a line */
#define WFHARD 0x08 /* Better do a full display */
#define WFMODE 0x10 /* Update mode line. */
/* !=0 means marking */
#define window_marking(wp) ((wp)->w_markp != NULL)
/*
* Seperate kbufp[] buffers for cut, word, line and char deletes...
*/
#define DCUTBUF 0
#define DLINEBUF 1
#define DWORDBUF 2
#define DCHARBUF 3
#define DSPECBUF 4 /* maximum number of temp buffers */
/*
* Text is kept in buffers. A buffer header, described below, exists for every
* buffer in the system. The buffers are kept in a big list, so that commands
* that search for a buffer by name can find the buffer header. There is a
* safe store for the dot and mark in the header, but this is only valid if
* the buffer is not being displayed (that is, if "b_nwnd" is 0). The text for
* the buffer is kept in a circularly linked list of lines, with a pointer to
* the header line in "b_linep".
*/
typedef struct BUFFER {
struct BUFFER *b_bufp; /* Link to next BUFFER */
struct LINE *b_dotp; /* Link to "." LINE structure */
short b_doto; /* Offset of "." in above LINE */
struct LINE *b_markp; /* The same as the above two, */
short b_marko; /* but for the "mark" */
struct LINE *b_linep; /* Link to the header LINE */
char b_nwnd; /* Count of windows on buffer */
char b_flag; /* Flags */
char b_fname[NFILEN]; /* File name */
char b_bname[NBUFN]; /* Buffer name */
} BUFFER;
#define BFTEMP 0x01 /* Internal temporary buffer */
#define BFCHG 0x02 /* Changed since last write */
#define BFRDONLY 0x04 /* Buffer is read only */
#define BFNOCR 0x08 /* last line in buffer has no */
/* trailing CR */
/*
* The starting position of a region, and the size of the region in
* characters, is kept in a region structure. Used by the region commands.
*/
typedef struct {
struct LINE *r_linep; /* Origin LINE address */
unsigned r_offset; /* Origin LINE offset (not in col mode) */
unsigned r_size; /* Length in characters (approx in col mode) */
unsigned r_nlines; /* Number of lines */
unsigned r_leftcol; /* Left column for column cut */
unsigned r_rightcol; /* And right column */
} REGION;
/*
* All text is kept in circularly linked lists of "LINE" structures. These
* begin at the header line (which is the blank line beyond the end of the
* buffer). This line is pointed to by the "BUFFER". Each line contains the
* number of bytes in the line (the "used" size), the size of the text array,
* and the text. The end of line is not stored as a byte; it's implied. Future
* additions will include update hints, and a list of marks into the line.
*/
typedef struct LINE {
struct LINE *l_fp; /* Link to the next line */
struct LINE *l_bp; /* Link to the previous line */
short l_size; /* Allocated size */
short l_used; /* Used size */
char l_text[1]; /* A bunch of characters. */
} LINE;
#define lforw(lp) ((lp)->l_fp)
#define lback(lp) ((lp)->l_bp)
#define lgetc(lp, n) ((lp)->l_text[(n)]&0xFF)
#define lputc(lp, n, c) ((lp)->l_text[(n)]=(c))
#define llength(lp) ((lp)->l_used)
/*
* The editor communicates with the display using a high level interface. A
* "TERM" structure holds useful variables, and indirect pointers to routines
* that do useful operations. The low level get and put routines are here too.
* This lets a terminal, in addition to having non standard commands, have
* funny get and put character code too. The calls might get changed to
* "termp->t_field" style in the future, to make it possible to run more than
* one terminal type.
*/
typedef struct {
short t_nrow; /* Number of rows. */
short t_ncol; /* Number of columns. */
int (*t_open)(); /* Open terminal at the start. */
int (*t_close)(); /* Close terminal at end. */
int (*t_getchar)(); /* Get character from keyboard. */
int (*t_putchar)(); /* Put character to display. */
int (*t_flush)(); /* Flush output buffers. */
int (*t_move)(); /* Move the cursor, origin 0. */
int (*t_eeol)(); /* Erase to end of line. */
int (*t_eeop)(); /* Erase to end of page. */
int (*t_beep)(); /* Beep. */
int (*t_standout)(); /* Start standout mode */
int (*t_standend)(); /* End standout mode */
int (*t_scrollup)(); /* Scroll the screen up */
int (*t_scrolldn)(); /* Scroll the screen down */
/* Note: scrolling routines do */
/* not save cursor position. */
} TERM;
extern char column_mode; /* !=0 if in column cut mode */
extern int fillcol; /* Fill column */
extern int currow; /* Cursor row */
extern int thisflag; /* Flags, this command */
extern int lastflag; /* Flags, last command */
extern int curgoal; /* Goal for C-P, C-N */
extern int markcol; /* starting column for column cut */
extern int mpresf; /* Stuff in message line */
extern int sgarbf; /* State of screen unknown */
extern WINDOW *curwp; /* Current window */
extern BUFFER *curbp; /* Current buffer */
extern WINDOW *wheadp; /* Head of list of windows */
extern BUFFER *bheadp; /* Head of list of buffers */
extern BUFFER *blistp; /* Buffer for C-X C-B */
extern short kbdm[]; /* Holds kayboard macro data */
extern short *kbdmip; /* Input pointer for above */
extern short *kbdmop; /* Output pointer for above */
extern char pat[]; /* Search pattern */
extern TERM term; /*(Terminal information. */
extern int mouse; /* TRUE if mouse is installed */
extern int hardtabsize; // hardware tab size
extern BUFFER *buffer_find(); /* Lookup a buffer by name */
extern WINDOW *wpopup(); /* Pop up window creation */
extern LINE *line_realloc(); /* Allocate a line */
extern void mlwrite(const char *,...);
/********************************
* All configuration parameters are stored in this struct.
*/
extern struct CONFIG
{
unsigned modeattr; /* for mode line */
unsigned normattr; /* for normal text */
unsigned eolattr; /* for end of line */
unsigned markattr; /* for selected text */
unsigned tabchar; /* char to use for tab display */
unsigned urlattr; // for URLs
} config;
/**************
* George M. Jones {cbosgd,ihnp4}!osu-eddie!george
* Work Phone: george@ohio-state.csnet
* (614) 457-8600 CompuServe: 70003,2443
*/
#if __DMC__ || __APPLE__ || linux || __OpenBSD__ || __FreeBSD__
#include <stdlib.h>
#else
extern char *getenv();
extern char *itoa();
extern char *malloc();
extern char *calloc();
extern char *realloc();
#endif
int display_recalc();
#if XTERM
int msm_init(void);
void msm_term(void);
void msm_showcursor(void);
void msm_hidecursor(void);
int msm_getstatus(unsigned *pcol,unsigned *prow);
#endif
void setClipboard(char *s, size_t len);
char *getClipboard();
// url.c
int isURLchar(char c);
size_t isURL(const char *s, size_t length);
int inURL(const char *s, size_t length, size_t index);
char *getURL(const char *s, size_t length, size_t index);
// browse.c
void browse(const char *s);