mirror of
git://git.sv.gnu.org/nano.git
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4f5335d93e
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1511 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
435 lines
13 KiB
C
435 lines
13 KiB
C
/* $Id$ */
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/**************************************************************************
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* nano.h *
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* *
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* Copyright (C) 1999-2003 Chris Allegretta *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2, or (at your option) *
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* any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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* *
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**************************************************************************/
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#ifndef NANO_H
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#define NANO_H 1
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/* Macros for the flags int... */
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#define SET(bit) flags |= bit
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#define UNSET(bit) flags &= ~bit
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#define ISSET(bit) (flags & bit)
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#define TOGGLE(bit) flags ^= bit
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/* Define charalloc as a macro rather than duplicating code */
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#define charalloc(howmuch) (char *)nmalloc((howmuch) * sizeof(char))
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#define charealloc(ptr, howmuch) (char *)nrealloc(ptr, (howmuch) * sizeof(char))
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#ifdef BROKEN_REGEXEC
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#define regexec(preg, string, nmatch, pmatch, eflags) regexec_safe(preg, string, nmatch, pmatch, eflags)
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#endif
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#ifndef NANO_SMALL
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/* For the backup file copy ... */
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# define COPYFILEBLOCKSIZE 1024
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#endif
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#ifdef USE_SLANG /* Slang support enabled */
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#include <slcurses.h>
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#define KEY_IC SL_KEY_IC
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#define KEY_DC SL_KEY_DELETE
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#elif defined(HAVE_NCURSES_H)
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#include <ncurses.h>
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#else /* Uh oh */
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#include <curses.h>
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#endif /* CURSES_H */
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#ifdef ENABLE_NLS
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# ifdef HAVE_LIBINTL_H
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# include <libintl.h>
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# endif
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# define _(string) gettext(string)
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# define P_(singular, plural, number) ngettext(singular, plural, number)
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#else
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# define _(string) (string)
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# define P_(singular, plural, number) (number == 1 ? singular : plural)
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "config.h"
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#if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF)
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#include <glib.h>
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# ifndef HAVE_SNPRINTF
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# define snprintf g_snprintf
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# endif
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# ifndef HAVE_VSNPRINTF
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# define vsnprintf g_vsnprintf
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# endif
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#endif
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#ifndef HAVE_STRCASECMP
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#define strcasecmp nstricmp
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#endif
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#ifndef HAVE_STRNCASECMP
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#define strncasecmp nstrnicmp
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#endif
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/* HP-UX 10 & 11 do not seem to support KEY_HOME and KEY_END */
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#ifndef KEY_HOME
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#define KEY_HOME -1
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#endif /* KEY_HOME */
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#ifndef KEY_END
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#define KEY_END -1
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#endif /* KEY_END */
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/* Snatch these out of the ncurses defs, so we can use them in search
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history regardless of whether we're using ncurses or not */
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#if !defined(KEY_UP) || !defined(KEY_DOWN)
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#define KEY_UP 0403
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#define KEY_DOWN 0402
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#endif /* !KEY_UP || !KEY_DOWN */
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#define VERMSG "GNU nano " VERSION
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#if defined(DISABLE_WRAPPING) && defined(DISABLE_JUSTIFY)
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#define DISABLE_WRAPJUSTIFY 1
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#endif
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/* Structure types */
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typedef struct filestruct {
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char *data;
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struct filestruct *next; /* Next node */
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struct filestruct *prev; /* Previous node */
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int lineno; /* The line number */
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} filestruct;
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#ifdef ENABLE_MULTIBUFFER
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typedef struct openfilestruct {
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char *filename;
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#ifndef NANO_SMALL
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struct stat originalfilestat;
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#endif
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struct openfilestruct *next; /* Next node */
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struct openfilestruct *prev; /* Previous node */
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struct filestruct *fileage; /* Current file */
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struct filestruct *filebot; /* Current file's last line */
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#ifndef NANO_SMALL
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struct filestruct *file_mark_beginbuf;
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/* Current file's beginning marked line */
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int file_mark_beginx; /* Current file's beginning marked line's
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x-coordinate position */
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#endif
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int file_current_x; /* Current file's x-coordinate position */
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int file_current_y; /* Current file's y-coordinate position */
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int file_flags; /* Current file's flags: modification
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status (and marking status, if
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available) */
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int file_placewewant; /* Current file's place we want */
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int file_totlines; /* Current file's total number of lines */
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long file_totsize; /* Current file's total size */
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int file_lineno; /* Current file's line number */
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} openfilestruct;
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#endif
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typedef struct shortcut {
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int val; /* Actual sequence that generates the keystroke */
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int altval; /* Alt key # for this function, or 0 for none */
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int misc1; /* Other int functions we want bound */
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int misc2;
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int viewok; /* is this function legal in view mode? */
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int (*func) (void); /* Function to call when we catch this key */
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const char *desc; /* Description, e.g. "Page Up" */
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#ifndef DISABLE_HELP
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const char *help; /* Help file entry text */
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#endif
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struct shortcut *next;
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} shortcut;
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#ifndef NANO_SMALL
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typedef struct toggle {
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int val; /* Sequence to toggle the key. Should only need 1 */
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const char *desc; /* Description for when toggle is, uh, toggled,
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e.g. "Pico Messages"; we'll append Enabled or
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Disabled */
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int flag; /* What flag actually gets toggled */
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struct toggle *next;
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} toggle;
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#endif /* !NANO_SMALL */
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#ifdef ENABLE_NANORC
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typedef struct rcoption {
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const char *name;
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int flag;
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} rcoption;
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#endif /* ENABLE_NANORC */
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#ifdef ENABLE_COLOR
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typedef struct colortype {
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int fg; /* fg color */
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int bg; /* bg color */
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int bright; /* Is this color A_BOLD? */
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int pairnum; /* Color pair number used for this fg/bg */
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regex_t start; /* Start (or all) of the regex string */
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regex_t *end; /* End of the regex string */
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struct colortype *next;
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} colortype;
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typedef struct exttype {
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regex_t val; /* The extensions that match this syntax. */
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struct exttype *next;
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} exttype;
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typedef struct syntaxtype {
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char *desc; /* Name of this syntax type */
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exttype *extensions; /* List of extensions that this applies to */
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colortype *color; /* color struct for this syntax */
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struct syntaxtype *next;
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} syntaxtype;
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#endif /* ENABLE_COLOR */
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#ifndef NANO_SMALL
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typedef struct historytype {
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struct historytype *next;
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struct historytype *prev;
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char *data;
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} historytype;
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typedef struct historyheadtype {
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struct historytype *next; /* keep *next and *prev members together */
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struct historytype *prev; /* and in same order as in historytype */
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struct historytype *tail;
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struct historytype *current;
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int count;
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int len;
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} historyheadtype;
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#endif /* !NANO_SMALL */
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/* Bitwise flags so we can save space (or more correctly, not waste it) */
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#define MODIFIED (1<<0)
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#define KEEP_CUTBUFFER (1<<1)
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#define CASE_SENSITIVE (1<<2)
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#define MARK_ISSET (1<<3)
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#define CONSTUPDATE (1<<4)
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#define NO_HELP (1<<5)
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#define NOFOLLOW_SYMLINKS (1<<6)
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#define SUSPEND (1<<7)
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#define NO_WRAP (1<<8)
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#define AUTOINDENT (1<<9)
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#define SAMELINEWRAP (1<<10)
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#define VIEW_MODE (1<<11)
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#define USE_MOUSE (1<<12)
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#define USE_REGEXP (1<<13)
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#define REGEXP_COMPILED (1<<14)
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#define TEMP_OPT (1<<15)
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#define CUT_TO_END (1<<16)
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#define REVERSE_SEARCH (1<<17)
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#define MULTIBUFFER (1<<18)
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#define DOS_FILE (1<<19)
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#define MAC_FILE (1<<20)
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#define SMOOTHSCROLL (1<<21)
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#define DISABLE_CURPOS (1<<22) /* Damn, we still need it */
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#define ALT_KEYPAD (1<<23)
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#define NO_CONVERT (1<<24)
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#define BACKUP_FILE (1<<25)
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#define NO_RCFILE (1<<26)
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#define COLOR_SYNTAX (1<<27)
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#define PRESERVE (1<<28)
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#define HISTORY_CHANGED (1<<29)
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#define HISTORYLOG (1<<30)
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#define JUSTIFY_MODE (1<<31)
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/* Control key sequences, changing these would be very very bad */
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#define NANO_CONTROL_SPACE 0
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#define NANO_CONTROL_A 1
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#define NANO_CONTROL_B 2
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#define NANO_CONTROL_C 3
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#define NANO_CONTROL_D 4
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#define NANO_CONTROL_E 5
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#define NANO_CONTROL_F 6
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#define NANO_CONTROL_G 7
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#define NANO_CONTROL_H 8
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#define NANO_CONTROL_I 9
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#define NANO_CONTROL_J 10
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#define NANO_CONTROL_K 11
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#define NANO_CONTROL_L 12
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#define NANO_CONTROL_M 13
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#define NANO_CONTROL_N 14
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#define NANO_CONTROL_O 15
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#define NANO_CONTROL_P 16
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#define NANO_CONTROL_Q 17
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#define NANO_CONTROL_R 18
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#define NANO_CONTROL_S 19
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#define NANO_CONTROL_T 20
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#define NANO_CONTROL_U 21
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#define NANO_CONTROL_V 22
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#define NANO_CONTROL_W 23
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#define NANO_CONTROL_X 24
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#define NANO_CONTROL_Y 25
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#define NANO_CONTROL_Z 26
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#define NANO_CONTROL_4 28
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#define NANO_CONTROL_5 29
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#define NANO_CONTROL_6 30
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#define NANO_CONTROL_7 31
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#define NANO_ALT_A 'a'
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#define NANO_ALT_B 'b'
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#define NANO_ALT_C 'c'
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#define NANO_ALT_D 'd'
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#define NANO_ALT_E 'e'
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#define NANO_ALT_F 'f'
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#define NANO_ALT_G 'g'
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#define NANO_ALT_H 'h'
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#define NANO_ALT_I 'i'
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#define NANO_ALT_J 'j'
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#define NANO_ALT_K 'k'
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#define NANO_ALT_L 'l'
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#define NANO_ALT_M 'm'
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#define NANO_ALT_N 'n'
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#define NANO_ALT_O 'o'
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#define NANO_ALT_P 'p'
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#define NANO_ALT_Q 'q'
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#define NANO_ALT_R 'r'
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#define NANO_ALT_S 's'
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#define NANO_ALT_T 't'
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#define NANO_ALT_U 'u'
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#define NANO_ALT_V 'v'
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#define NANO_ALT_W 'w'
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#define NANO_ALT_X 'x'
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#define NANO_ALT_Y 'y'
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#define NANO_ALT_Z 'z'
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#define NANO_ALT_PERIOD '.'
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#define NANO_ALT_COMMA ','
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#define NANO_ALT_LCARAT '<'
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#define NANO_ALT_RCARAT '>'
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#define NANO_ALT_BRACKET ']'
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#define NANO_ALT_SPACE ' '
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/* Some semi-changeable keybindings; don't play with unless you're sure you
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know what you're doing */
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#define NANO_INSERTFILE_KEY NANO_CONTROL_R
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#define NANO_INSERTFILE_FKEY KEY_F(5)
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#define NANO_EXIT_KEY NANO_CONTROL_X
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#define NANO_EXIT_FKEY KEY_F(2)
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#define NANO_WRITEOUT_KEY NANO_CONTROL_O
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#define NANO_WRITEOUT_FKEY KEY_F(3)
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#define NANO_GOTO_KEY NANO_CONTROL_7
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#define NANO_GOTO_FKEY KEY_F(13)
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#define NANO_ALT_GOTO_KEY NANO_ALT_G
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#define NANO_HELP_KEY NANO_CONTROL_G
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#define NANO_HELP_FKEY KEY_F(1)
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#define NANO_WHEREIS_KEY NANO_CONTROL_W
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#define NANO_WHEREIS_FKEY KEY_F(6)
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#define NANO_REPLACE_KEY NANO_CONTROL_4
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#define NANO_REPLACE_FKEY KEY_F(14)
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#define NANO_ALT_REPLACE_KEY NANO_ALT_R
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#define NANO_OTHERSEARCH_KEY NANO_CONTROL_R
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#define NANO_PREVPAGE_KEY NANO_CONTROL_Y
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#define NANO_PREVPAGE_FKEY KEY_F(7)
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#define NANO_NEXTPAGE_KEY NANO_CONTROL_V
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#define NANO_NEXTPAGE_FKEY KEY_F(8)
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#define NANO_CUT_KEY NANO_CONTROL_K
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#define NANO_CUT_FKEY KEY_F(9)
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#define NANO_UNCUT_KEY NANO_CONTROL_U
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#define NANO_UNCUT_FKEY KEY_F(10)
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#define NANO_CURSORPOS_KEY NANO_CONTROL_C
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#define NANO_CURSORPOS_FKEY KEY_F(11)
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#define NANO_SPELL_KEY NANO_CONTROL_T
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#define NANO_SPELL_FKEY KEY_F(12)
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#define NANO_FIRSTLINE_KEY NANO_PREVPAGE_KEY
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#define NANO_LASTLINE_KEY NANO_NEXTPAGE_KEY
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#define NANO_CANCEL_KEY NANO_CONTROL_C
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#define NANO_REFRESH_KEY NANO_CONTROL_L
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#define NANO_JUSTIFY_KEY NANO_CONTROL_J
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#define NANO_JUSTIFY_FKEY KEY_F(4)
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#define NANO_UNJUSTIFY_KEY NANO_CONTROL_U
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#define NANO_UP_KEY NANO_CONTROL_P
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#define NANO_DOWN_KEY NANO_CONTROL_N
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#define NANO_FORWARD_KEY NANO_CONTROL_F
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#define NANO_BACK_KEY NANO_CONTROL_B
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#define NANO_MARK_KEY NANO_CONTROL_6
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#define NANO_ALT_MARK_KEY NANO_ALT_A
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#define NANO_HOME_KEY NANO_CONTROL_A
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#define NANO_END_KEY NANO_CONTROL_E
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#define NANO_DELETE_KEY NANO_CONTROL_D
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#define NANO_BACKSPACE_KEY NANO_CONTROL_H
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#define NANO_TAB_KEY NANO_CONTROL_I
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#define NANO_SUSPEND_KEY NANO_CONTROL_Z
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#define NANO_ENTER_KEY NANO_CONTROL_M
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#define NANO_FROMSEARCHTOGOTO_KEY NANO_CONTROL_T
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#define NANO_TOFILES_KEY NANO_CONTROL_T
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#define NANO_APPEND_KEY NANO_ALT_A
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#define NANO_PREPEND_KEY NANO_ALT_P
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#define NANO_OPENPREV_KEY NANO_ALT_LCARAT
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#define NANO_OPENNEXT_KEY NANO_ALT_RCARAT
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#define NANO_OPENPREV_ALTKEY NANO_ALT_COMMA
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#define NANO_OPENNEXT_ALTKEY NANO_ALT_PERIOD
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#define NANO_BRACKET_KEY NANO_ALT_BRACKET
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#define NANO_EXTCMD_KEY NANO_CONTROL_X
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#define NANO_NEXTWORD_KEY NANO_CONTROL_SPACE
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#define NANO_PREVWORD_KEY NANO_ALT_SPACE
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#ifndef NANO_SMALL
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/* Toggles do not exist with NANO_SMALL. */
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#define TOGGLE_CONST_KEY NANO_ALT_C
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#define TOGGLE_AUTOINDENT_KEY NANO_ALT_I
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#define TOGGLE_SUSPEND_KEY NANO_ALT_Z
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#define TOGGLE_NOHELP_KEY NANO_ALT_X
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#define TOGGLE_MOUSE_KEY NANO_ALT_M
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#define TOGGLE_CUTTOEND_KEY NANO_ALT_K
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#define TOGGLE_REGEXP_KEY NANO_ALT_R
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#define TOGGLE_WRAP_KEY NANO_ALT_W
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#define TOGGLE_BACKWARDS_KEY NANO_ALT_B
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#define TOGGLE_CASE_KEY NANO_ALT_C
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#define TOGGLE_LOAD_KEY NANO_ALT_F
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#define TOGGLE_DOS_KEY NANO_ALT_D
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#define TOGGLE_MAC_KEY NANO_ALT_O
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#define TOGGLE_SMOOTH_KEY NANO_ALT_S
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#define TOGGLE_NOCONVERT_KEY NANO_ALT_N
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#define TOGGLE_BACKUP_KEY NANO_ALT_B
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#define TOGGLE_SYNTAX_KEY NANO_ALT_Y
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#endif /* !NANO_SMALL */
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#define MAIN_VISIBLE 12
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#define VIEW 1
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#define NOVIEW 0
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typedef enum {
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CENTER, TOP, NONE
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} topmidbotnone;
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/* Minimum editor window rows required for nano to work correctly */
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#define MIN_EDITOR_ROWS 3
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/* Minimum editor window cols required for nano to work correctly */
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#define MIN_EDITOR_COLS 10
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/* Default number of characters from end-of-line where text wrapping
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occurs */
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#define CHARS_FROM_EOL 8
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/* Maximum number of search history strings saved, same value used for
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replace history */
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#define MAX_SEARCH_HISTORY 100
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#endif /* !NANO_H */
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