smol/nano.h

388 lines
12 KiB
C

/* $Id$ */
/**************************************************************************
* nano.h *
* *
* Copyright (C) 1999-2002 Chris Allegretta *
* 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
**************************************************************************/
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifndef NANO_H
#define NANO_H 1
/* Macros for the flags int... */
#define SET(bit) flags |= bit
#define UNSET(bit) flags &= ~bit
#define ISSET(bit) (flags & bit)
#define TOGGLE(bit) flags ^= bit
#ifndef NANO_SMALL
/* For the backup file copy ... */
# define COPYFILEBLOCKSIZE 1024
#endif
#ifdef USE_SLANG /* Slang support enabled */
#include <slcurses.h>
#define KEY_DC 0x113
#elif defined(HAVE_NCURSES_H)
#include <ncurses.h>
#else /* Uh oh */
#include <curses.h>
#endif /* CURSES_H */
#ifdef HAVE_LIBINTL_H
#include <libintl.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include "config.h"
#if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF)
#include <glib.h>
# ifndef HAVE_SNPRINTF
# define snprintf g_snprintf
# endif
# ifndef HAVE_VSNPRINTF
# define vsnprintf g_vsnprintf
# endif
#endif
/* HP-UX 10 & 11 do not seem to support KEY_HOME and KEY_END */
#ifndef KEY_HOME
#define KEY_HOME -1
#endif /* KEY_HOME */
#ifndef KEY_END
#define KEY_END -1
#endif /* KEY_END */
#define VERMSG "GNU nano " VERSION
#if defined(DISABLE_WRAPPING) && defined(DISABLE_JUSTIFY)
#define DISABLE_WRAPJUSTIFY 1
#endif
/* Structure types */
typedef struct filestruct {
char *data;
struct filestruct *next; /* Next node */
struct filestruct *prev; /* Previous node */
int lineno; /* The line number */
} filestruct;
#ifdef ENABLE_MULTIBUFFER
typedef struct openfilestruct {
char *filename;
#ifndef NANO_SMALL
struct stat originalfilestat;
#endif
struct openfilestruct *next; /* Next node */
struct openfilestruct *prev; /* Previous node */
struct filestruct *fileage; /* Current file */
struct filestruct *filebot; /* Current file's last line */
#ifndef NANO_SMALL
struct filestruct *file_mark_beginbuf;
/* Current file's beginning marked line */
int file_mark_beginx; /* Current file's beginning marked line's
x-coordinate position */
#endif
int file_current_x; /* Current file's x-coordinate position */
int file_current_y; /* Current file's y-coordinate position */
int file_flags; /* Current file's flags: modification
status (and marking status, if
available) */
int file_placewewant; /* Current file's place we want */
int file_totlines; /* Current file's total number of lines */
long file_totsize; /* Current file's total size */
int file_lineno; /* Current file's line number */
} openfilestruct;
#endif
typedef struct shortcut {
int val; /* Actual sequence that generates the keystroke */
int altval; /* Alt key # for this function, or 0 for none */
int misc1; /* Other int functions we want bound */
int misc2;
int viewok; /* is this function legal in view mode? */
int (*func) (void); /* Function to call when we catch this key */
const char *desc; /* Description, e.g. "Page Up" */
#ifndef DISABLE_HELP
const char *help; /* Help file entry text */
#endif
struct shortcut *next;
} shortcut;
#ifndef NANO_SMALL
typedef struct toggle {
int val; /* Sequence to toggle the key. Should only need 1 */
const char *desc; /* Description for when toggle is, uh, toggled,
e.g. "Pico Messages"; we'll append Enabled or
Disabled */
int flag; /* What flag actually gets toggled */
struct toggle *next;
} toggle;
#endif /* !NANO_SMALL */
#ifdef ENABLE_NANORC
typedef struct rcoption {
const char *name;
int flag;
} rcoption;
#endif /* ENABLE_NANORC */
#ifdef ENABLE_COLOR
typedef struct colortype {
int fg; /* fg color */
int bg; /* bg color */
int bright; /* Is this color A_BOLD? */
int pairnum; /* Color pair number used for this fg/bg */
char *start; /* Start (or all) of the regex string */
char *end; /* End of the regex string */
struct colortype *next;
} colortype;
typedef struct exttype {
char *val;
struct exttype *next;
} exttype;
typedef struct syntaxtype {
char *desc; /* Name of this syntax type */
exttype *extensions; /* List of extensions that this applies to */
colortype *color; /* color struct for this syntax */
struct syntaxtype *next;
} syntaxtype;
#endif /* ENABLE_COLOR */
/* Bitwise flags so we can save space (or more correctly, not waste it) */
#define MODIFIED (1<<0)
#define KEEP_CUTBUFFER (1<<1)
#define CASE_SENSITIVE (1<<2)
#define MARK_ISSET (1<<3)
#define CONSTUPDATE (1<<4)
#define NO_HELP (1<<5)
#define PICO_MODE (1<<6)
#define FOLLOW_SYMLINKS (1<<7)
#define SUSPEND (1<<8)
#define NO_WRAP (1<<9)
#define AUTOINDENT (1<<10)
#define SAMELINEWRAP (1<<11)
#define VIEW_MODE (1<<12)
#define USE_MOUSE (1<<13)
#define USE_REGEXP (1<<14)
#define REGEXP_COMPILED (1<<15)
#define TEMP_OPT (1<<16)
#define CUT_TO_END (1<<17)
#define REVERSE_SEARCH (1<<18)
#define MULTIBUFFER (1<<19)
#define CLEAR_BACKUPSTRING (1<<20)
#define DOS_FILE (1<<21)
#define MAC_FILE (1<<22)
#define SMOOTHSCROLL (1<<23)
#define DISABLE_CURPOS (1<<24) /* Damn, we still need it */
#define ALT_KEYPAD (1<<25)
#define NO_CONVERT (1<<26)
#define BACKUP_FILE (1<<27)
#define NO_RCFILE (1<<28)
/* Control key sequences, changing these would be very very bad */
#define NANO_CONTROL_SPACE 0
#define NANO_CONTROL_A 1
#define NANO_CONTROL_B 2
#define NANO_CONTROL_C 3
#define NANO_CONTROL_D 4
#define NANO_CONTROL_E 5
#define NANO_CONTROL_F 6
#define NANO_CONTROL_G 7
#define NANO_CONTROL_H 8
#define NANO_CONTROL_I 9
#define NANO_CONTROL_J 10
#define NANO_CONTROL_K 11
#define NANO_CONTROL_L 12
#define NANO_CONTROL_M 13
#define NANO_CONTROL_N 14
#define NANO_CONTROL_O 15
#define NANO_CONTROL_P 16
#define NANO_CONTROL_Q 17
#define NANO_CONTROL_R 18
#define NANO_CONTROL_S 19
#define NANO_CONTROL_T 20
#define NANO_CONTROL_U 21
#define NANO_CONTROL_V 22
#define NANO_CONTROL_W 23
#define NANO_CONTROL_X 24
#define NANO_CONTROL_Y 25
#define NANO_CONTROL_Z 26
#define NANO_CONTROL_4 28
#define NANO_CONTROL_5 29
#define NANO_CONTROL_6 30
#define NANO_CONTROL_7 31
#define NANO_ALT_A 'a'
#define NANO_ALT_B 'b'
#define NANO_ALT_C 'c'
#define NANO_ALT_D 'd'
#define NANO_ALT_E 'e'
#define NANO_ALT_F 'f'
#define NANO_ALT_G 'g'
#define NANO_ALT_H 'h'
#define NANO_ALT_I 'i'
#define NANO_ALT_J 'j'
#define NANO_ALT_K 'k'
#define NANO_ALT_L 'l'
#define NANO_ALT_M 'm'
#define NANO_ALT_N 'n'
#define NANO_ALT_O 'o'
#define NANO_ALT_P 'p'
#define NANO_ALT_Q 'q'
#define NANO_ALT_R 'r'
#define NANO_ALT_S 's'
#define NANO_ALT_T 't'
#define NANO_ALT_U 'u'
#define NANO_ALT_V 'v'
#define NANO_ALT_W 'w'
#define NANO_ALT_X 'x'
#define NANO_ALT_Y 'y'
#define NANO_ALT_Z 'z'
#define NANO_ALT_PERIOD '.'
#define NANO_ALT_COMMA ','
#define NANO_ALT_LCARAT '<'
#define NANO_ALT_RCARAT '>'
#define NANO_ALT_BRACKET ']'
#define NANO_ALT_SPACE ' '
/* Some semi-changeable keybindings; don't play with unless you're sure you
know what you're doing */
#define NANO_INSERTFILE_KEY NANO_CONTROL_R
#define NANO_INSERTFILE_FKEY KEY_F(5)
#define NANO_EXIT_KEY NANO_CONTROL_X
#define NANO_EXIT_FKEY KEY_F(2)
#define NANO_WRITEOUT_KEY NANO_CONTROL_O
#define NANO_WRITEOUT_FKEY KEY_F(3)
#define NANO_GOTO_KEY NANO_CONTROL_7
#define NANO_GOTO_FKEY KEY_F(13)
#define NANO_ALT_GOTO_KEY NANO_ALT_G
#define NANO_HELP_KEY NANO_CONTROL_G
#define NANO_HELP_FKEY KEY_F(1)
#define NANO_WHEREIS_KEY NANO_CONTROL_W
#define NANO_WHEREIS_FKEY KEY_F(6)
#define NANO_REPLACE_KEY NANO_CONTROL_4
#define NANO_REPLACE_FKEY KEY_F(14)
#define NANO_ALT_REPLACE_KEY NANO_ALT_R
#define NANO_OTHERSEARCH_KEY NANO_CONTROL_R
#define NANO_PREVPAGE_KEY NANO_CONTROL_Y
#define NANO_PREVPAGE_FKEY KEY_F(7)
#define NANO_NEXTPAGE_KEY NANO_CONTROL_V
#define NANO_NEXTPAGE_FKEY KEY_F(8)
#define NANO_CUT_KEY NANO_CONTROL_K
#define NANO_CUT_FKEY KEY_F(9)
#define NANO_UNCUT_KEY NANO_CONTROL_U
#define NANO_UNCUT_FKEY KEY_F(10)
#define NANO_CURSORPOS_KEY NANO_CONTROL_C
#define NANO_CURSORPOS_FKEY KEY_F(11)
#define NANO_SPELL_KEY NANO_CONTROL_T
#define NANO_SPELL_FKEY KEY_F(12)
#define NANO_FIRSTLINE_KEY NANO_PREVPAGE_KEY
#define NANO_LASTLINE_KEY NANO_NEXTPAGE_KEY
#define NANO_CANCEL_KEY NANO_CONTROL_C
#define NANO_REFRESH_KEY NANO_CONTROL_L
#define NANO_JUSTIFY_KEY NANO_CONTROL_J
#define NANO_JUSTIFY_FKEY KEY_F(4)
#define NANO_UNJUSTIFY_KEY NANO_CONTROL_U
#define NANO_UP_KEY NANO_CONTROL_P
#define NANO_DOWN_KEY NANO_CONTROL_N
#define NANO_FORWARD_KEY NANO_CONTROL_F
#define NANO_BACK_KEY NANO_CONTROL_B
#define NANO_MARK_KEY NANO_CONTROL_6
#define NANO_ALT_MARK_KEY NANO_ALT_A
#define NANO_HOME_KEY NANO_CONTROL_A
#define NANO_END_KEY NANO_CONTROL_E
#define NANO_DELETE_KEY NANO_CONTROL_D
#define NANO_BACKSPACE_KEY NANO_CONTROL_H
#define NANO_TAB_KEY NANO_CONTROL_I
#define NANO_SUSPEND_KEY NANO_CONTROL_Z
#define NANO_ENTER_KEY NANO_CONTROL_M
#define NANO_FROMSEARCHTOGOTO_KEY NANO_CONTROL_T
#define NANO_TOFILES_KEY NANO_CONTROL_T
#define NANO_APPEND_KEY NANO_ALT_A
#define NANO_PREPEND_KEY NANO_ALT_P
#define NANO_OPENPREV_KEY NANO_ALT_LCARAT
#define NANO_OPENNEXT_KEY NANO_ALT_RCARAT
#define NANO_OPENPREV_ALTKEY NANO_ALT_COMMA
#define NANO_OPENNEXT_ALTKEY NANO_ALT_PERIOD
#define NANO_BRACKET_KEY NANO_ALT_BRACKET
#define NANO_EXTCMD_KEY NANO_CONTROL_X
#define NANO_NEXTWORD_KEY NANO_CONTROL_SPACE
#define NANO_PREVWORD_KEY NANO_ALT_SPACE
#ifndef NANO_SMALL
/* Toggles do not exist with NANO_SMALL. */
#define TOGGLE_CONST_KEY NANO_ALT_C
#define TOGGLE_AUTOINDENT_KEY NANO_ALT_I
#define TOGGLE_SUSPEND_KEY NANO_ALT_Z
#define TOGGLE_NOHELP_KEY NANO_ALT_X
#define TOGGLE_PICOMODE_KEY NANO_ALT_P
#define TOGGLE_MOUSE_KEY NANO_ALT_M
#define TOGGLE_CUTTOEND_KEY NANO_ALT_K
#define TOGGLE_REGEXP_KEY NANO_ALT_R
#define TOGGLE_WRAP_KEY NANO_ALT_W
#define TOGGLE_BACKWARDS_KEY NANO_ALT_B
#define TOGGLE_CASE_KEY NANO_ALT_C
#define TOGGLE_LOAD_KEY NANO_ALT_F
#define TOGGLE_DOS_KEY NANO_ALT_D
#define TOGGLE_MAC_KEY NANO_ALT_O
#define TOGGLE_SMOOTH_KEY NANO_ALT_S
#define TOGGLE_NOCONVERT_KEY NANO_ALT_N
#define TOGGLE_BACKUP_KEY NANO_ALT_B
#endif /* !NANO_SMALL */
#define MAIN_VISIBLE 12
#define VIEW 1
#define NOVIEW 0
typedef enum {
CENTER, TOP, NONE
} topmidbotnone;
/* Minimum editor window rows required for nano to work correctly */
#define MIN_EDITOR_ROWS 3
/* Default number of characters from end-of-line where text wrapping occurs */
#define CHARS_FROM_EOL 8
/* Minimum fill length (space available for text before wrapping occurs) */
#define MIN_FILL_LENGTH 10
#endif /* !NANO_H */