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nano/global.c
Chris Allegretta 805c26d1a6 Changed _POSIX_VERSION checks in regex code to HAVE_REGEX_H, added check for regex.h in configure.in 
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@208 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
2000-09-06 13:39:17 +00:00

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C
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/* $Id$ */
/**************************************************************************
* global.c *
* *
* Copyright (C) 1999 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 1, 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. *
* *
**************************************************************************/
#include <sys/stat.h>
#include "config.h"
#include "nano.h"
#include "proto.h"
#ifndef NANO_SMALL
#include <libintl.h>
#define _(string) gettext(string)
#else
#define _(string) (string)
#endif
/*
* Global variables
*/
int flags = 0; /* Our new flag containig many options */
int center_x = 0, center_y = 0; /* Center of screen */
WINDOW *edit; /* The file portion of the editor */
WINDOW *topwin; /* Top line of screen */
WINDOW *bottomwin; /* Bottom buffer */
char filename[PATH_MAX]; /* Name of the file */
int editwinrows = 0; /* How many rows long is the edit
window? */
filestruct *current; /* Current buffer pointer */
int current_x = 0, current_y = 0; /* Current position of X and Y in
the editor - relative to edit
window (0,0) */
filestruct *fileage = NULL; /* Our file buffer */
filestruct *edittop = NULL; /* Pointer to the top of the edit
buffer with respect to the
file struct */
filestruct *editbot = NULL; /* Same for the bottom */
filestruct *filebot = NULL; /* Last node in the file struct */
filestruct *cutbuffer = NULL; /* A place to store cut text */
char answer[132]; /* Answer str to many questions */
int totlines = 0; /* Total number of lines in the file */
int totsize = 0; /* Total number of bytes in the file */
int placewewant = 0; /* The collum we'd like the cursor
to jump to when we go to the
next or previous line */
int tabsize = 8; /* Our internal tabsize variable */
char *hblank; /* A horizontal blank line */
char *help_text; /* The text in the help window */
/* More stuff for the marker select */
filestruct *mark_beginbuf; /* the begin marker buffer */
int mark_beginx; /* X value in the string to start */
shortcut main_list[MAIN_LIST_LEN];
shortcut whereis_list[WHEREIS_LIST_LEN];
shortcut replace_list[REPLACE_LIST_LEN];
shortcut goto_list[GOTO_LIST_LEN];
shortcut writefile_list[WRITEFILE_LIST_LEN];
shortcut help_list[HELP_LIST_LEN];
shortcut spell_list[SPELL_LIST_LEN];
toggle toggles[TOGGLE_LEN];
/* Regular expressions */
#ifdef HAVE_REGEX_H
regex_t search_regexp; /* Global to store compiled search regexp */
regmatch_t regmatches[10]; /* Match positions for parenthetical
subexpressions, max of 10 */
#endif
/* Initialize a struct *without* our lovely braces =( */
void sc_init_one(shortcut * s, int key, char *desc, char *help, int alt,
int misc1, int misc2, int view, int (*func) (void))
{
s->val = key;
s->desc = desc;
s->help = help;
s->altval = alt;
s->misc1 = misc1;
s->misc2 = misc2;
s->viewok = view;
s->func = func;
}
/* Initialize the toggles in the same manner */
void toggle_init_one(toggle * t, int val, char *desc, int flag)
{
t->val = val;
t->desc = desc;
t->flag = flag;
}
void toggle_init(void)
{
#ifndef NANO_SMALL
char *toggle_const_msg, *toggle_autoindent_msg, *toggle_suspend_msg,
*toggle_nohelp_msg, *toggle_picomode_msg, *toggle_mouse_msg,
*toggle_cuttoend_msg, *toggle_regexp_msg, *toggle_wrap_msg;
toggle_const_msg = _("Constant cursor position");
toggle_autoindent_msg = _("Auto indent");
toggle_suspend_msg = _("Suspend");
toggle_nohelp_msg = _("Help mode");
toggle_picomode_msg = _("Pico messages");
toggle_mouse_msg = _("Mouse support");
toggle_cuttoend_msg = _("Cut to end");
#ifdef HAVE_REGEX_H
toggle_regexp_msg = _("Regular expressions");
#endif
toggle_wrap_msg = _("Auto wrap");
toggle_init_one(&toggles[0], TOGGLE_CONST_KEY, toggle_const_msg,
CONSTUPDATE);
toggle_init_one(&toggles[1], TOGGLE_AUTOINDENT_KEY, toggle_autoindent_msg,
AUTOINDENT);
toggle_init_one(&toggles[2], TOGGLE_SUSPEND_KEY, toggle_suspend_msg,
SUSPEND);
toggle_init_one(&toggles[3], TOGGLE_NOHELP_KEY, toggle_nohelp_msg,
NO_HELP);
toggle_init_one(&toggles[4], TOGGLE_PICOMODE_KEY, toggle_picomode_msg,
PICO_MSGS);
toggle_init_one(&toggles[5], TOGGLE_WRAP_KEY, toggle_wrap_msg,
NO_WRAP);
toggle_init_one(&toggles[6], TOGGLE_MOUSE_KEY, toggle_mouse_msg,
USE_MOUSE);
toggle_init_one(&toggles[7], TOGGLE_CUTTOEND_KEY, toggle_cuttoend_msg,
CUT_TO_END);
#ifdef HAVE_REGEX_H
toggle_init_one(&toggles[8], TOGGLE_REGEXP_KEY, toggle_regexp_msg,
USE_REGEXP);
#endif
#endif
}
void shortcut_init(void)
{
char *nano_help_msg = "", *nano_writeout_msg = "", *nano_exit_msg = "",
*nano_goto_msg = "", *nano_justify_msg = "", *nano_replace_msg =
"", *nano_insert_msg = "", *nano_whereis_msg =
"", *nano_prevpage_msg = "", *nano_nextpage_msg =
"", *nano_cut_msg = "", *nano_uncut_msg = "", *nano_cursorpos_msg =
"", *nano_spell_msg = "", *nano_up_msg = "", *nano_down_msg =
"", *nano_forward_msg = "", *nano_back_msg = "", *nano_home_msg =
"", *nano_end_msg = "", *nano_firstline_msg =
"", *nano_lastline_msg = "", *nano_refresh_msg =
"", *nano_mark_msg = "", *nano_delete_msg =
"", *nano_backspace_msg = "", *nano_tab_msg =
"", *nano_enter_msg = "", *nano_case_msg =
"", *nano_cancel_msg = "";
#ifndef NANO_SMALL
nano_help_msg = _("Invoke the help menu");
nano_writeout_msg = _("Write the current file to disk");
nano_exit_msg = _("Exit from nano");
nano_goto_msg = _("Goto a specific line number");
nano_justify_msg = _("Justify the current paragraph");
nano_replace_msg = _("Replace text within the editor");
nano_insert_msg = _("Insert another file into the current one");
nano_whereis_msg = _("Search for text within the editor");
nano_prevpage_msg = _("Move to the previous screen");
nano_nextpage_msg = _("Move to the next screen");
nano_cut_msg = _("Cut the current line and store it in the cutbuffer");
nano_uncut_msg = _("Uncut from the cutbuffer into the current line");
nano_cursorpos_msg = _("Show the posititon of the cursor");
nano_spell_msg = _("Invoke the spell checker (if available)");
nano_up_msg = _("Move up one line");
nano_down_msg = _("Move down one line");
nano_forward_msg = _("Move forward one character");
nano_back_msg = _("Move back one character");
nano_home_msg = _("Move to the beginning of the current line");
nano_end_msg = _("Move to the end of the current line");
nano_firstline_msg = _("Go to the first line of the file");
nano_lastline_msg = _("Go to the last line of the file");
nano_refresh_msg = _("Refresh (redraw) the current screen");
nano_mark_msg = _("Mark text at the current cursor location");
nano_delete_msg = _("Delete the character under the cursor");
nano_backspace_msg =
_("Delete the character to the left of the cursor");
nano_tab_msg = _("Insert a tab character");
nano_enter_msg = _("Insert a carriage return at the cursor position");
nano_case_msg =
_("Make the current search or replace case (in)sensitive");
nano_cancel_msg = _("Cancel the current function");
#endif
if (ISSET(PICO_MSGS))
sc_init_one(&main_list[0], NANO_HELP_KEY, _("Get Help"),
nano_help_msg, 0, 0, 0, VIEW, do_help);
else
sc_init_one(&main_list[0], NANO_WRITEOUT_KEY, _("WriteOut"),
nano_writeout_msg,
0, NANO_WRITEOUT_FKEY, 0, NOVIEW, do_writeout_void);
sc_init_one(&main_list[1], NANO_EXIT_KEY, _("Exit"),
nano_exit_msg, 0, NANO_EXIT_FKEY, 0, VIEW, do_exit);
if (ISSET(PICO_MSGS))
sc_init_one(&main_list[2], NANO_WRITEOUT_KEY, _("WriteOut"),
nano_writeout_msg,
0, NANO_WRITEOUT_FKEY, 0, NOVIEW, do_writeout_void);
else
sc_init_one(&main_list[2], NANO_GOTO_KEY, _("Goto Line"),
nano_goto_msg,
NANO_ALT_G, NANO_GOTO_FKEY, 0, VIEW, do_gotoline_void);
if (ISSET(PICO_MSGS))
sc_init_one(&main_list[3], NANO_JUSTIFY_KEY, _("Justify"),
nano_justify_msg, 0, 0, 0, NOVIEW, do_justify);
else
sc_init_one(&main_list[3], NANO_REPLACE_KEY, _("Replace"),
nano_replace_msg,
NANO_ALT_R, NANO_REPLACE_FKEY, 0, NOVIEW, do_replace);
sc_init_one(&main_list[4], NANO_INSERTFILE_KEY, _("Read File"),
nano_insert_msg,
0, NANO_INSERTFILE_FKEY, 0, NOVIEW, do_insertfile);
sc_init_one(&main_list[5], NANO_WHEREIS_KEY, _("Where Is"),
nano_whereis_msg,
0, NANO_WHEREIS_FKEY, 0, VIEW, do_search);
sc_init_one(&main_list[6], NANO_PREVPAGE_KEY, _("Prev Page"),
nano_prevpage_msg,
0, NANO_PREVPAGE_FKEY, KEY_PPAGE, VIEW, page_up);
sc_init_one(&main_list[7], NANO_NEXTPAGE_KEY, _("Next Page"),
nano_nextpage_msg,
0, NANO_NEXTPAGE_FKEY, KEY_NPAGE, VIEW, page_down);
sc_init_one(&main_list[8], NANO_CUT_KEY, _("Cut Text"),
nano_cut_msg, 0, NANO_CUT_FKEY, 0, NOVIEW, do_cut_text);
sc_init_one(&main_list[9], NANO_UNCUT_KEY, _("UnCut Txt"),
nano_uncut_msg,
0, NANO_UNCUT_FKEY, 0, NOVIEW, do_uncut_text);
sc_init_one(&main_list[10], NANO_CURSORPOS_KEY, _("Cur Pos"),
nano_cursorpos_msg,
0, NANO_CURSORPOS_FKEY, 0, VIEW, do_cursorpos);
sc_init_one(&main_list[11], NANO_SPELL_KEY, _("To Spell"),
nano_spell_msg, 0, NANO_SPELL_FKEY, 0, NOVIEW, do_spell);
sc_init_one(&main_list[12], NANO_UP_KEY, _("Up"),
nano_up_msg, 0, KEY_UP, 0, VIEW, do_up);
sc_init_one(&main_list[13], NANO_DOWN_KEY, _("Down"),
nano_down_msg, 0, KEY_DOWN, 0, VIEW, do_down);
sc_init_one(&main_list[14], NANO_FORWARD_KEY, _("Forward"),
nano_forward_msg, 0, KEY_RIGHT, 0, VIEW, do_right);
sc_init_one(&main_list[15], NANO_BACK_KEY, _("Back"),
nano_back_msg, 0, KEY_LEFT, 0, VIEW, do_left);
sc_init_one(&main_list[16], NANO_HOME_KEY, _("Home"),
nano_home_msg, 0, KEY_HOME, 362, VIEW, do_home);
sc_init_one(&main_list[17], NANO_END_KEY, _("End"),
nano_end_msg, 0, KEY_END, 385, VIEW, do_end);
sc_init_one(&main_list[18], NANO_REFRESH_KEY, _("Refresh"),
nano_refresh_msg, 0, 0, 0, VIEW, total_refresh);
sc_init_one(&main_list[19], NANO_MARK_KEY, _("Mark Text"),
nano_mark_msg, 0, 0, 0, NOVIEW, do_mark);
sc_init_one(&main_list[20], NANO_DELETE_KEY, _("Delete"),
nano_delete_msg, 0, KEY_DC,
NANO_CONTROL_D, NOVIEW, do_delete);
sc_init_one(&main_list[21], NANO_BACKSPACE_KEY, _("Backspace"),
nano_backspace_msg, 0,
KEY_BACKSPACE, 127, NOVIEW, do_backspace);
sc_init_one(&main_list[22], NANO_TAB_KEY, _("Tab"),
nano_tab_msg, 0, 0, 0, NOVIEW, do_tab);
if (ISSET(PICO_MSGS))
sc_init_one(&main_list[23], NANO_REPLACE_KEY, _("Replace"),
nano_replace_msg,
NANO_ALT_R, NANO_REPLACE_FKEY, 0, NOVIEW, do_replace);
else
sc_init_one(&main_list[23], NANO_JUSTIFY_KEY, _("Justify"),
nano_justify_msg, 0, 0, 0, NOVIEW, do_justify);
sc_init_one(&main_list[24], NANO_ENTER_KEY, _("Enter"),
nano_enter_msg,
0, KEY_ENTER, NANO_CONTROL_M, NOVIEW, do_enter_void);
if (ISSET(PICO_MSGS))
sc_init_one(&main_list[25], NANO_GOTO_KEY, _("Goto Line"),
nano_goto_msg,
NANO_ALT_G, NANO_GOTO_FKEY, 0, VIEW, do_gotoline_void);
else
sc_init_one(&main_list[25], NANO_HELP_KEY, _("Get Help"),
nano_help_msg, 0, 0, 0, VIEW, do_help);
sc_init_one(&whereis_list[0], NANO_FIRSTLINE_KEY, _("First Line"),
nano_firstline_msg, 0, 0, 0, VIEW, do_first_line);
sc_init_one(&whereis_list[1], NANO_LASTLINE_KEY, _("Last Line"),
nano_lastline_msg, 0, 0, 0, VIEW, do_last_line);
sc_init_one(&whereis_list[2], NANO_CASE_KEY, _("Case Sens"),
nano_case_msg, 0, 0, 0, VIEW, 0);
sc_init_one(&whereis_list[3], NANO_OTHERSEARCH_KEY, _("Replace"),
nano_replace_msg, 0, 0, 0, VIEW, do_replace);
sc_init_one(&whereis_list[4], NANO_FROMSEARCHTOGOTO_KEY, _("Goto Line"),
nano_goto_msg, 0, 0, 0, VIEW, do_gotoline_void);
sc_init_one(&whereis_list[5], NANO_CANCEL_KEY, _("Cancel"),
nano_cancel_msg, 0, 0, 0, VIEW, 0);
sc_init_one(&replace_list[0], NANO_FIRSTLINE_KEY, _("First Line"),
nano_firstline_msg, 0, 0, 0, VIEW, do_first_line);
sc_init_one(&replace_list[1], NANO_LASTLINE_KEY, _("Last Line"),
nano_lastline_msg, 0, 0, 0, VIEW, do_last_line);
sc_init_one(&replace_list[2], NANO_CASE_KEY, _("Case Sens"),
nano_case_msg, 0, 0, 0, VIEW, 0);
sc_init_one(&replace_list[3], NANO_OTHERSEARCH_KEY, _("No Replace"),
nano_whereis_msg, 0, 0, 0, VIEW, do_search);
sc_init_one(&replace_list[4], NANO_FROMSEARCHTOGOTO_KEY, _("Goto Line"),
nano_goto_msg, 0, 0, 0, VIEW, do_gotoline_void);
sc_init_one(&replace_list[5], NANO_CANCEL_KEY, _("Cancel"),
nano_cancel_msg, 0, 0, 0, VIEW, 0);
sc_init_one(&goto_list[0], NANO_FIRSTLINE_KEY, _("First Line"),
nano_firstline_msg, 0, 0, 0, VIEW, &do_first_line);
sc_init_one(&goto_list[1], NANO_LASTLINE_KEY, _("Last Line"),
nano_lastline_msg, 0, 0, 0, VIEW, &do_last_line);
sc_init_one(&goto_list[2], NANO_CANCEL_KEY, _("Cancel"),
nano_cancel_msg, 0, 0, 0, VIEW, 0);
sc_init_one(&help_list[0], NANO_PREVPAGE_KEY, _("Prev Page"),
nano_prevpage_msg,
0, NANO_PREVPAGE_FKEY, KEY_PPAGE, VIEW, page_up);
sc_init_one(&help_list[1], NANO_NEXTPAGE_KEY, _("Next Page"),
nano_nextpage_msg,
0, NANO_NEXTPAGE_FKEY, KEY_NPAGE, VIEW, page_down);
sc_init_one(&help_list[2], NANO_EXIT_KEY, _("Exit"),
nano_exit_msg, 0, NANO_EXIT_FKEY, 0, VIEW, do_exit);
sc_init_one(&writefile_list[0], NANO_CANCEL_KEY, _("Cancel"),
nano_cancel_msg, 0, 0, 0, VIEW, 0);
sc_init_one(&writefile_list[0], NANO_CANCEL_KEY, _("Cancel"),
nano_cancel_msg, 0, 0, 0, VIEW, 0);
sc_init_one(&spell_list[0], NANO_HELP_KEY, _("Get Help"),
nano_help_msg, 0, 0, 0, VIEW, do_help);
sc_init_one(&spell_list[1], NANO_CANCEL_KEY, _("Cancel"),
nano_cancel_msg, 0, 0, 0, VIEW, 0);
toggle_init();
}
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