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mc/edit/editcmd.c
Slava Zanko f67fcfb94f Fixed excaping of '%' symbol in edit_complete_word_cmd() function 
Signed-off-by: Slava Zanko <slavazanko@gmail.com>
2009-07-17 12:00:03 +03:00

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/* editor high level editing commands
Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2006,
2007 Free Software Foundation, Inc.
Authors: 1996, 1997 Paul Sheer
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 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
/** \file
* \brief Source: editor high level editing commands
* \author Paul Sheer
* \date 1996, 1997
*/
/* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
#include <config.h>
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <fcntl.h>
#include "../src/global.h"
#include "../src/history.h"
#include "../src/tty.h" /* LINES */
#include "../src/widget.h" /* listbox_new() */
#include "../src/layout.h" /* clr_scr() */
#include "../src/main.h" /* mc_home source_codepage */
#include "../src/help.h" /* interactive_display() */
#include "../src/key.h" /* XCTRL */
#include "../src/wtools.h" /* message() */
#include "../src/charsets.h"
#include "../src/selcodepage.h"
#include "../src/strutil.h" /* utf string functions */
#include "../edit/edit-impl.h"
#include "../edit/edit.h"
#include "../edit/editlock.h"
#include "../edit/editcmddef.h"
#include "../edit/edit-widget.h"
#include "../edit/editcmd_dialogs.h"
#include "../edit/etags.h"
/* globals: */
/* search and replace: */
static int search_create_bookmark = 0;
/* static int search_in_all_charsets = 0; */
/* queries on a save */
int edit_confirm_save = 1;
static int edit_save_cmd (WEdit *edit);
static unsigned char *edit_get_block (WEdit *edit, long start,
long finish, int *l);
static void
edit_search_cmd_search_create_bookmark(WEdit * edit)
{
int found = 0, books = 0;
int l = 0, l_last = -1;
long q = 0;
gsize len = 0;
for (;;) {
if (!mc_search_run(edit->search, (void *) edit, q, edit->last_byte, &len))
break;
found++;
l += edit_count_lines (edit, q, edit->search->normal_offset);
if (l != l_last) {
book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
books++;
}
l_last = l;
q = edit->search->normal_offset + 1;
}
if (found) {
/* in response to number of bookmarks added because of string being found %d times */
message (D_NORMAL, _("Search"), _(" %d items found, %d bookmarks added "), found, books);
} else {
edit_error_dialog (_ ("Search"), _ (" Search string not found "));
}
}
static int
edit_search_cmd_callback(const void *user_data, gsize char_offset)
{
return edit_get_byte ((WEdit * )user_data, (long) char_offset);
}
void edit_help_cmd (WEdit * edit)
{
interactive_display (NULL, "[Internal File Editor]");
edit->force |= REDRAW_COMPLETELY;
}
void edit_refresh_cmd (WEdit * edit)
{
#ifndef HAVE_SLANG
clr_scr();
do_refresh();
#else
{
int color;
edit_get_syntax_color (edit, -1, &color);
}
touchwin(stdscr);
#endif /* !HAVE_SLANG */
mc_refresh();
doupdate();
}
/* If 0 (quick save) then a) create/truncate <filename> file,
b) save to <filename>;
if 1 (safe save) then a) save to <tempnam>,
b) rename <tempnam> to <filename>;
if 2 (do backups) then a) save to <tempnam>,
b) rename <filename> to <filename.backup_ext>,
c) rename <tempnam> to <filename>. */
/* returns 0 on error, -1 on abort */
static int
edit_save_file (WEdit *edit, const char *filename)
{
char *p;
gchar *tmp;
long filelen = 0;
char *savename = 0;
gchar *real_filename;
int this_save_mode, fd = -1;
if (!filename)
return 0;
if (!*filename)
return 0;
if (*filename != PATH_SEP && edit->dir) {
real_filename = concat_dir_and_file (edit->dir, filename);
} else {
real_filename = g_strdup(filename);
}
this_save_mode = option_save_mode;
if (this_save_mode != EDIT_QUICK_SAVE) {
if (!vfs_file_is_local (real_filename) ||
(fd = mc_open (real_filename, O_RDONLY | O_BINARY)) == -1) {
/*
* The file does not exists yet, so no safe save or
* backup are necessary.
*/
this_save_mode = EDIT_QUICK_SAVE;
}
if (fd != -1)
mc_close (fd);
}
if (this_save_mode == EDIT_QUICK_SAVE &&
!edit->skip_detach_prompt) {
int rv;
struct stat sb;
rv = mc_stat (real_filename, &sb);
if (rv == 0 && sb.st_nlink > 1) {
rv = edit_query_dialog3 (_("Warning"),
_(" File has hard-links. Detach before saving? "),
_("&Yes"), _("&No"), _("&Cancel"));
switch (rv) {
case 0:
this_save_mode = EDIT_SAFE_SAVE;
/* fallthrough */
case 1:
edit->skip_detach_prompt = 1;
break;
default:
g_free(real_filename);
return -1;
}
}
/* Prevent overwriting changes from other editor sessions. */
if (rv == 0 && edit->stat1.st_mtime != 0 && edit->stat1.st_mtime != sb.st_mtime) {
/* The default action is "Cancel". */
query_set_sel(1);
rv = edit_query_dialog2 (
_("Warning"),
_("The file has been modified in the meantime. Save anyway?"),
_("&Yes"),
_("&Cancel"));
if (rv != 0){
g_free(real_filename);
return -1;
}
}
}
if (this_save_mode != EDIT_QUICK_SAVE) {
char *savedir, *saveprefix;
const char *slashpos;
slashpos = strrchr (real_filename, PATH_SEP);
if (slashpos) {
savedir = g_strdup (real_filename);
savedir[slashpos - real_filename + 1] = '\0';
} else
savedir = g_strdup (".");
saveprefix = concat_dir_and_file (savedir, "cooledit");
g_free (savedir);
fd = mc_mkstemps (&savename, saveprefix, NULL);
g_free (saveprefix);
if (!savename){
g_free(real_filename);
return 0;
}
/* FIXME:
* Close for now because mc_mkstemps use pure open system call
* to create temporary file and it needs to be reopened by
* VFS-aware mc_open().
*/
close (fd);
} else
savename = g_strdup (real_filename);
mc_chown (savename, edit->stat1.st_uid, edit->stat1.st_gid);
mc_chmod (savename, edit->stat1.st_mode);
if ((fd =
mc_open (savename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY,
edit->stat1.st_mode)) == -1)
goto error_save;
/* pipe save */
if ((p = edit_get_write_filter (savename, real_filename))) {
FILE *file;
mc_close (fd);
file = (FILE *) popen (p, "w");
if (file) {
filelen = edit_write_stream (edit, file);
#if 1
pclose (file);
#else
if (pclose (file) != 0) {
tmp = g_strconcat (_(" Error writing to pipe: "),
p, " ", (char *) NULL);
edit_error_dialog (_("Error"), tmp);
g_free(tmp);
g_free (p);
goto error_save;
}
#endif
} else {
tmp = g_strconcat (_(" Cannot open pipe for writing: "),
p, " ", (char *) NULL);
edit_error_dialog (_("Error"),
get_sys_error (tmp));
g_free (p);
g_free(tmp);
goto error_save;
}
g_free (p);
} else {
long buf;
buf = 0;
filelen = edit->last_byte;
while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1) {
if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE)
!= EDIT_BUF_SIZE) {
mc_close (fd);
goto error_save;
}
buf++;
}
if (mc_write
(fd, (char *) edit->buffers1[buf],
edit->curs1 & M_EDIT_BUF_SIZE) !=
(edit->curs1 & M_EDIT_BUF_SIZE)) {
filelen = -1;
} else if (edit->curs2) {
edit->curs2--;
buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
if (mc_write
(fd,
(char *) edit->buffers2[buf] + EDIT_BUF_SIZE -
(edit->curs2 & M_EDIT_BUF_SIZE) - 1,
1 + (edit->curs2 & M_EDIT_BUF_SIZE)) !=
1 + (edit->curs2 & M_EDIT_BUF_SIZE)) {
filelen = -1;
} else {
while (--buf >= 0) {
if (mc_write
(fd, (char *) edit->buffers2[buf],
EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
filelen = -1;
break;
}
}
}
edit->curs2++;
}
if (mc_close (fd))
goto error_save;
/* Update the file information, especially the mtime. */
if (mc_stat (savename, &edit->stat1) == -1)
goto error_save;
}
if (filelen != edit->last_byte)
goto error_save;
if (this_save_mode == EDIT_DO_BACKUP) {
assert (option_backup_ext != NULL);
tmp = g_strconcat (real_filename, option_backup_ext,(char *) NULL);
if (mc_rename (real_filename, tmp) == -1){
g_free(tmp);
goto error_save;
}
}
if (this_save_mode != EDIT_QUICK_SAVE)
if (mc_rename (savename, real_filename) == -1)
goto error_save;
g_free (savename);
g_free(real_filename);
return 1;
error_save:
/* FIXME: Is this safe ?
* if (this_save_mode != EDIT_QUICK_SAVE)
* mc_unlink (savename);
*/
g_free(real_filename);
g_free (savename);
return 0;
}
void menu_save_mode_cmd (void)
{
#define DLG_X 38
#define DLG_Y 10
static char *str_result;
static int save_mode_new;
static const char *str[] =
{
N_("Quick save "),
N_("Safe save "),
N_("Do backups -->")};
static QuickWidget widgets[] =
{
{quick_button, 18, DLG_X, 7, DLG_Y, N_("&Cancel"), 0,
B_CANCEL, 0, 0, NULL, NULL, NULL},
{quick_button, 6, DLG_X, 7, DLG_Y, N_("&OK"), 0,
B_ENTER, 0, 0, NULL, NULL, NULL},
{quick_input, 23, DLG_X, 5, DLG_Y, 0, 9,
0, 0, &str_result, "edit-backup-ext", NULL, NULL},
{quick_label, 22, DLG_X, 4, DLG_Y, N_("Extension:"), 0,
0, 0, 0, NULL, NULL, NULL},
{quick_radio, 4, DLG_X, 3, DLG_Y, "", 3,
0, &save_mode_new, (char **) str, NULL, NULL, NULL},
NULL_QuickWidget};
static QuickDialog dialog =
{DLG_X, DLG_Y, -1, -1, N_(" Edit Save Mode "), "[Edit Save Mode]",
widgets, 0};
static int i18n_flag = 0;
if (!i18n_flag) {
size_t i;
size_t maxlen = 0;
int dlg_x;
size_t l1;
/* OK/Cancel buttons */
l1 = str_term_width1 (_(widgets[0].text)) + str_term_width1 (_(widgets[1].text)) + 5;
maxlen = max (maxlen, l1);
for (i = 0; i < 3; i++ ) {
str[i] = _(str[i]);
maxlen = max (maxlen, (size_t) str_term_width1 (str[i]) + 7);
}
i18n_flag = 1;
dlg_x = maxlen + str_term_width1 (_(widgets[3].text)) + 5 + 1;
widgets[2].hotkey_pos = str_term_width1 (_(widgets[3].text)); /* input field length */
dlg_x = min (COLS, dlg_x);
dialog.xlen = dlg_x;
i = (dlg_x - l1)/3;
widgets[1].relative_x = i;
widgets[0].relative_x = i + str_term_width1 (_(widgets[1].text)) + i + 4;
widgets[2].relative_x = widgets[3].relative_x = maxlen + 2;
for (i = 0; i < sizeof (widgets)/sizeof (widgets[0]); i++)
widgets[i].x_divisions = dlg_x;
}
assert (option_backup_ext != NULL);
widgets[2].text = option_backup_ext;
widgets[4].value = option_save_mode;
if (quick_dialog (&dialog) != B_ENTER)
return;
option_save_mode = save_mode_new;
g_free (option_backup_ext);
option_backup_ext = str_result;
str_result = NULL;
}
void
edit_set_filename (WEdit *edit, const char *f)
{
g_free (edit->filename);
if (!f)
f = "";
edit->filename = g_strdup (f);
if (edit->dir == NULL && *f != PATH_SEP)
#ifdef USE_VFS
edit->dir = g_strdup (vfs_get_current_dir ());
#else
edit->dir = g_get_current_dir ();
#endif
}
/* Here we want to warn the users of overwriting an existing file,
but only if they have made a change to the filename */
/* returns 1 on success */
int
edit_save_as_cmd (WEdit *edit)
{
/* This heads the 'Save As' dialog box */
char *exp;
int save_lock = 0;
int different_filename = 0;
exp = input_expand_dialog (
_(" Save As "), _(" Enter file name: "),MC_HISTORY_EDIT_SAVE_AS, edit->filename);
edit_push_action (edit, KEY_PRESS + edit->start_display);
if (exp) {
if (!*exp) {
g_free (exp);
edit->force |= REDRAW_COMPLETELY;
return 0;
} else {
int rv;
if (strcmp (edit->filename, exp)) {
int file;
different_filename = 1;
if ((file = mc_open (exp, O_RDONLY | O_BINARY)) != -1) {
/* the file exists */
mc_close (file);
/* Overwrite the current file or cancel the operation */
if (edit_query_dialog2
(_("Warning"),
_(" A file already exists with this name. "),
_("&Overwrite"), _("&Cancel"))) {
edit->force |= REDRAW_COMPLETELY;
g_free (exp);
return 0;
}
}
save_lock = edit_lock_file (exp);
} else {
/* filenames equal, check if already locked */
if (!edit->locked && !edit->delete_file)
save_lock = edit_lock_file (exp);
}
rv = edit_save_file (edit, exp);
switch (rv) {
case 1:
/* Succesful, so unlock both files */
if (different_filename) {
if (save_lock)
edit_unlock_file (exp);
if (edit->locked)
edit->locked = edit_unlock_file (edit->filename);
} else {
if (edit->locked || save_lock)
edit->locked = edit_unlock_file (edit->filename);
}
edit_set_filename (edit, exp);
g_free (exp);
edit->modified = 0;
edit->delete_file = 0;
if (different_filename)
edit_load_syntax (edit, NULL, option_syntax_type);
edit->force |= REDRAW_COMPLETELY;
return 1;
default:
edit_error_dialog (_(" Save As "),
get_sys_error (_
(" Cannot save file. ")));
/* fallthrough */
case -1:
/* Failed, so maintain modify (not save) lock */
if (save_lock)
edit_unlock_file (exp);
g_free (exp);
edit->force |= REDRAW_COMPLETELY;
return 0;
}
}
}
edit->force |= REDRAW_COMPLETELY;
return 0;
}
/* {{{ Macro stuff starts here */
/* creates a macro file if it doesn't exist */
static FILE *edit_open_macro_file (const char *r)
{
gchar *filename;
FILE *fd;
int file;
filename = concat_dir_and_file (home_dir, EDIT_MACRO_FILE);
if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1){
g_free(filename);
return 0;
}
close (file);
fd = fopen (filename, r);
g_free(filename);
return fd;
}
#define MAX_MACROS 1024
static int saved_macro[MAX_MACROS + 1];
static int saved_macros_loaded = 0;
/*
This is just to stop the macro file be loaded over and over for keys
that aren't defined to anything. On slow systems this could be annoying.
*/
static int
macro_exists (int k)
{
int i;
for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
if (saved_macro[i] == k)
return i;
return -1;
}
/* returns 1 on error */
static int
edit_delete_macro (WEdit * edit, int k)
{
gchar *tmp, *tmp2;
struct macro macro[MAX_MACRO_LENGTH];
FILE *f, *g;
int s, i, n, j = 0;
(void) edit;
if (saved_macros_loaded)
if ((j = macro_exists (k)) < 0)
return 0;
tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
g = fopen (tmp , "w");
g_free(tmp);
if (!g) {
edit_error_dialog (_(" Delete macro "),
get_sys_error (_(" Cannot open temp file ")));
return 1;
}
f = edit_open_macro_file ("r");
if (!f) {
edit_error_dialog (_(" Delete macro "),
get_sys_error (_(" Cannot open macro file ")));
fclose (g);
return 1;
}
for (;;) {
n = fscanf (f, ("key '%d 0': "), &s);
if (!n || n == EOF)
break;
n = 0;
while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
n++;
fscanf (f, ";\n");
if (s != k) {
fprintf (g, ("key '%d 0': "), s);
for (i = 0; i < n; i++)
fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
fprintf (g, ";\n");
}
}
fclose (f);
fclose (g);
tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
tmp2 = concat_dir_and_file (home_dir, EDIT_MACRO_FILE);
if (rename ( tmp, tmp2) == -1) {
edit_error_dialog (_(" Delete macro "),
get_sys_error (_(" Cannot overwrite macro file ")));
g_free(tmp);
g_free(tmp2);
return 1;
}
g_free(tmp);
g_free(tmp2);
if (saved_macros_loaded)
memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
return 0;
}
/* returns 0 on error */
int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
{
FILE *f;
int s, i;
edit_push_action (edit, KEY_PRESS + edit->start_display);
s = editcmd_dialog_raw_key_query (_(" Save macro "),
_(" Press the macro's new hotkey: "), 1);
edit->force |= REDRAW_COMPLETELY;
if (s) {
if (edit_delete_macro (edit, s))
return 0;
f = edit_open_macro_file ("a+");
if (f) {
fprintf (f, ("key '%d 0': "), s);
for (i = 0; i < n; i++)
fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
fprintf (f, ";\n");
fclose (f);
if (saved_macros_loaded) {
for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
saved_macro[i] = s;
}
return 1;
} else
edit_error_dialog (_(" Save macro "), get_sys_error (_(" Cannot open macro file ")));
}
return 0;
}
void edit_delete_macro_cmd (WEdit * edit)
{
int command;
command = editcmd_dialog_raw_key_query (_ (" Delete macro "),
_ (" Press macro hotkey: "), 1);
if (!command)
return;
edit_delete_macro (edit, command);
}
/* return 0 on error */
int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
{
FILE *f;
int s, i = 0, found = 0;
(void) edit;
if (saved_macros_loaded)
if (macro_exists (k) < 0)
return 0;
if ((f = edit_open_macro_file ("r"))) {
struct macro dummy;
do {
int u;
u = fscanf (f, ("key '%d 0': "), &s);
if (!u || u == EOF)
break;
if (!saved_macros_loaded)
saved_macro[i++] = s;
if (!found) {
*n = 0;
while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
(*n)++;
} else {
while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
}
fscanf (f, ";\n");
if (s == k)
found = 1;
} while (!found || !saved_macros_loaded);
if (!saved_macros_loaded) {
saved_macro[i] = 0;
saved_macros_loaded = 1;
}
fclose (f);
return found;
} else
edit_error_dialog (_(" Load macro "),
get_sys_error (_(" Cannot open macro file ")));
return 0;
}
/* }}} Macro stuff starts here */
/* returns 1 on success */
int edit_save_confirm_cmd (WEdit * edit)
{
gchar *f = NULL;
if (edit_confirm_save) {
f = g_strconcat (_(" Confirm save file? : "), edit->filename, " ", NULL);
if (edit_query_dialog2 (_(" Save file "), f, _("&Save"), _("&Cancel"))){
g_free(f);
return 0;
}
g_free(f);
}
return edit_save_cmd (edit);
}
/* returns 1 on success */
static int
edit_save_cmd (WEdit *edit)
{
int res, save_lock = 0;
if (!edit->locked && !edit->delete_file)
save_lock = edit_lock_file (edit->filename);
res = edit_save_file (edit, edit->filename);
/* Maintain modify (not save) lock on failure */
if ((res > 0 && edit->locked) || save_lock)
edit->locked = edit_unlock_file (edit->filename);
/* On failure try 'save as', it does locking on its own */
if (!res)
return edit_save_as_cmd (edit);
edit->force |= REDRAW_COMPLETELY;
if (res > 0) {
edit->delete_file = 0;
edit->modified = 0;
}
return 1;
}
/* returns 1 on success */
int edit_new_cmd (WEdit * edit)
{
if (edit->modified) {
if (edit_query_dialog2 (_ ("Warning"), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("C&ontinue"), _ ("&Cancel"))) {
edit->force |= REDRAW_COMPLETELY;
return 0;
}
}
edit->force |= REDRAW_COMPLETELY;
return edit_renew (edit); /* if this gives an error, something has really screwed up */
}
/* returns 1 on error */
static int
edit_load_file_from_filename (WEdit * edit, char *exp)
{
int prev_locked = edit->locked;
char *prev_filename = g_strdup (edit->filename);
if (!edit_reload (edit, exp)) {
g_free (prev_filename);
return 1;
}
if (prev_locked)
edit_unlock_file (prev_filename);
g_free (prev_filename);
return 0;
}
static void
edit_load_syntax_file (WEdit * edit)
{
char *extdir;
int dir = 0;
if (geteuid () == 0) {
dir = query_dialog (_("Syntax file edit"),
_(" Which syntax file you want to edit? "), D_NORMAL, 2,
_("&User"), _("&System Wide"));
}
extdir = concat_dir_and_file (mc_home, "syntax" PATH_SEP_STR "Syntax");
if (!exist_file(extdir)) {
g_free (extdir);
extdir = concat_dir_and_file (mc_home_alt, "syntax" PATH_SEP_STR "Syntax");
}
if (dir == 0) {
char *buffer;
buffer = concat_dir_and_file (home_dir, EDIT_SYNTAX_FILE);
check_for_default (extdir, buffer);
edit_load_file_from_filename (edit, buffer);
g_free (buffer);
} else if (dir == 1)
edit_load_file_from_filename (edit, extdir);
g_free (extdir);
}
static void
edit_load_menu_file (WEdit * edit)
{
char *buffer;
char *menufile;
int dir = 0;
dir = query_dialog (
_(" Menu edit "),
_(" Which menu file do you want to edit? "), D_NORMAL,
geteuid() ? 2 : 3, _("&Local"), _("&User"), _("&System Wide")
);
menufile = concat_dir_and_file (mc_home, EDIT_GLOBAL_MENU);
if (!exist_file (menufile)) {
g_free (menufile);
menufile = concat_dir_and_file (mc_home_alt, EDIT_GLOBAL_MENU);
}
switch (dir) {
case 0:
buffer = g_strdup (EDIT_LOCAL_MENU);
check_for_default (menufile, buffer);
chmod (buffer, 0600);
break;
case 1:
buffer = concat_dir_and_file (home_dir, EDIT_HOME_MENU);
check_for_default (menufile, buffer);
break;
case 2:
buffer = concat_dir_and_file (mc_home, EDIT_GLOBAL_MENU);
if (!exist_file (buffer)) {
g_free (buffer);
buffer = concat_dir_and_file (mc_home_alt, EDIT_GLOBAL_MENU);
}
break;
default:
g_free (menufile);
return;
}
edit_load_file_from_filename (edit, buffer);
g_free (buffer);
g_free (menufile);
}
int
edit_load_cmd (WEdit *edit, edit_current_file_t what)
{
char *exp;
if (edit->modified
&& (edit_query_dialog2
(_("Warning"),
_(" Current text was modified without a file save. \n"
" Continue discards these changes. "),
_("C&ontinue"), _("&Cancel")) == 1)) {
edit->force |= REDRAW_COMPLETELY;
return 0;
}
switch (what) {
case EDIT_FILE_COMMON:
exp = input_expand_dialog (_(" Load "), _(" Enter file name: "),
MC_HISTORY_EDIT_LOAD, edit->filename);
if (exp) {
if (*exp)
edit_load_file_from_filename (edit, exp);
g_free (exp);
}
break;
case EDIT_FILE_SYNTAX:
edit_load_syntax_file (edit);
break;
case EDIT_FILE_MENU:
edit_load_menu_file (edit);
break;
default:
break;
}
edit->force |= REDRAW_COMPLETELY;
return 0;
}
/*
if mark2 is -1 then marking is from mark1 to the cursor.
Otherwise its between the markers. This handles this.
Returns 1 if no text is marked.
*/
int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
{
if (edit->mark1 != edit->mark2) {
if (edit->mark2 >= 0) {
*start_mark = min (edit->mark1, edit->mark2);
*end_mark = max (edit->mark1, edit->mark2);
} else {
*start_mark = min (edit->mark1, edit->curs1);
*end_mark = max (edit->mark1, edit->curs1);
edit->column2 = edit->curs_col;
}
return 0;
} else {
*start_mark = *end_mark = 0;
edit->column2 = edit->column1 = 0;
return 1;
}
}
#define space_width 1
void
edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
{
long cursor;
int i, col;
cursor = edit->curs1;
col = edit_get_col (edit);
for (i = 0; i < size; i++) {
if (data[i] == '\n') { /* fill in and move to next line */
int l;
long p;
if (edit_get_byte (edit, edit->curs1) != '\n') {
l = width - (edit_get_col (edit) - col);
while (l > 0) {
edit_insert (edit, ' ');
l -= space_width;
}
}
for (p = edit->curs1;; p++) {
if (p == edit->last_byte) {
edit_cursor_move (edit, edit->last_byte - edit->curs1);
edit_insert_ahead (edit, '\n');
p++;
break;
}
if (edit_get_byte (edit, p) == '\n') {
p++;
break;
}
}
edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
l = col - edit_get_col (edit);
while (l >= space_width) {
edit_insert (edit, ' ');
l -= space_width;
}
continue;
}
edit_insert (edit, data[i]);
}
edit_cursor_move (edit, cursor - edit->curs1);
}
#define TEMP_BUF_LEN 1024
int
edit_insert_column_of_text_from_file (WEdit * edit, int file)
{
long cursor;
int i, col;
int blocklen = -1, width;
unsigned char *data;
cursor = edit->curs1;
col = edit_get_col (edit);
data = g_malloc (TEMP_BUF_LEN);
while ((blocklen = mc_read (file, (char *) data, TEMP_BUF_LEN)) > 0) {
for (width = 0; width < blocklen; width++) {
if (data[width] == '\n')
break;
}
for (i = 0; i < blocklen; i++) {
if (data[i] == '\n') { /* fill in and move to next line */
int l;
long p;
if (edit_get_byte (edit, edit->curs1) != '\n') {
l = width - (edit_get_col (edit) - col);
while (l > 0) {
edit_insert (edit, ' ');
l -= space_width;
}
}
for (p = edit->curs1;; p++) {
if (p == edit->last_byte) {
edit_cursor_move (edit, edit->last_byte - edit->curs1);
edit_insert_ahead (edit, '\n');
p++;
break;
}
if (edit_get_byte (edit, p) == '\n') {
p++;
break;
}
}
edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
l = col - edit_get_col (edit);
while (l >= space_width) {
edit_insert (edit, ' ');
l -= space_width;
}
continue;
}
edit_insert (edit, data[i]);
}
}
edit_cursor_move (edit, cursor - edit->curs1);
g_free(data);
edit->force |= REDRAW_PAGE;
return blocklen;
}
void
edit_block_copy_cmd (WEdit *edit)
{
long start_mark, end_mark, current = edit->curs1;
int size;
unsigned char *copy_buf;
edit_update_curs_col (edit);
if (eval_marks (edit, &start_mark, &end_mark))
return;
copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
/* all that gets pushed are deletes hence little space is used on the stack */
edit_push_markers (edit);
if (column_highlighting) {
edit_insert_column_of_text (edit, copy_buf, size,
abs (edit->column2 - edit->column1));
} else {
while (size--)
edit_insert_ahead (edit, copy_buf[size]);
}
g_free (copy_buf);
edit_scroll_screen_over_cursor (edit);
if (column_highlighting) {
edit_set_markers (edit, 0, 0, 0, 0);
edit_push_action (edit, COLUMN_ON);
column_highlighting = 0;
} else if (start_mark < current && end_mark > current)
edit_set_markers (edit, start_mark,
end_mark + end_mark - start_mark, 0, 0);
edit->force |= REDRAW_PAGE;
}
void
edit_block_move_cmd (WEdit *edit)
{
long count;
long current;
unsigned char *copy_buf;
long start_mark, end_mark;
int deleted = 0;
int x = 0;
if (eval_marks (edit, &start_mark, &end_mark))
return;
if (column_highlighting) {
edit_update_curs_col (edit);
x = edit->curs_col;
if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
if ((x > edit->column1 && x < edit->column2)
|| (x > edit->column2 && x < edit->column1))
return;
} else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
return;
if ((end_mark - start_mark) > option_max_undo / 2)
if (edit_query_dialog2
(_("Warning"),
_
(" Block is large, you may not be able to undo this action. "),
_("C&ontinue"), _("&Cancel")))
return;
edit_push_markers (edit);
current = edit->curs1;
if (column_highlighting) {
int size, c1, c2, line;
line = edit->curs_line;
if (edit->mark2 < 0)
edit_mark_cmd (edit, 0);
c1 = min (edit->column1, edit->column2);
c2 = max (edit->column1, edit->column2);
copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
if (x < c2) {
edit_block_delete_cmd (edit);
deleted = 1;
}
edit_move_to_line (edit, line);
edit_cursor_move (edit,
edit_move_forward3 (edit,
edit_bol (edit, edit->curs1),
x, 0) - edit->curs1);
edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
if (!deleted) {
line = edit->curs_line;
edit_update_curs_col (edit);
x = edit->curs_col;
edit_block_delete_cmd (edit);
edit_move_to_line (edit, line);
edit_cursor_move (edit,
edit_move_forward3 (edit,
edit_bol (edit,
edit->curs1),
x, 0) - edit->curs1);
}
edit_set_markers (edit, 0, 0, 0, 0);
edit_push_action (edit, COLUMN_ON);
column_highlighting = 0;
} else {
copy_buf = g_malloc (end_mark - start_mark);
edit_cursor_move (edit, start_mark - edit->curs1);
edit_scroll_screen_over_cursor (edit);
count = start_mark;
while (count < end_mark) {
copy_buf[end_mark - count - 1] = edit_delete (edit, 1);
count++;
}
edit_scroll_screen_over_cursor (edit);
edit_cursor_move (edit,
current - edit->curs1 -
(((current - edit->curs1) >
0) ? end_mark - start_mark : 0));
edit_scroll_screen_over_cursor (edit);
while (count-- > start_mark)
edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
edit_set_markers (edit, edit->curs1,
edit->curs1 + end_mark - start_mark, 0, 0);
}
edit_scroll_screen_over_cursor (edit);
g_free (copy_buf);
edit->force |= REDRAW_PAGE;
}
static void
edit_delete_column_of_text (WEdit * edit)
{
long p, q, r, m1, m2;
int b, c, d;
int n;
eval_marks (edit, &m1, &m2);
n = edit_move_forward (edit, m1, 0, m2) + 1;
c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
b = min (c, d);
c = max (c, d);
while (n--) {
r = edit_bol (edit, edit->curs1);
p = edit_move_forward3 (edit, r, b, 0);
q = edit_move_forward3 (edit, r, c, 0);
if (p < m1)
p = m1;
if (q > m2)
q = m2;
edit_cursor_move (edit, p - edit->curs1);
while (q > p) { /* delete line between margins */
if (edit_get_byte (edit, edit->curs1) != '\n')
edit_delete (edit, 1);
q--;
}
if (n) /* move to next line except on the last delete */
edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
}
}
/* if success return 0 */
static int
edit_block_delete (WEdit *edit)
{
long count;
long start_mark, end_mark;
if (eval_marks (edit, &start_mark, &end_mark))
return 0;
if (column_highlighting && edit->mark2 < 0)
edit_mark_cmd (edit, 0);
if ((end_mark - start_mark) > option_max_undo / 2) {
/* Warning message with a query to continue or cancel the operation */
if (edit_query_dialog2
(_("Warning"),
_
(" Block is large, you may not be able to undo this action. "),
_("C&ontinue"), _("&Cancel"))) {
return 1;
}
}
edit_push_markers (edit);
edit_cursor_move (edit, start_mark - edit->curs1);
edit_scroll_screen_over_cursor (edit);
count = start_mark;
if (start_mark < end_mark) {
if (column_highlighting) {
if (edit->mark2 < 0)
edit_mark_cmd (edit, 0);
edit_delete_column_of_text (edit);
} else {
while (count < end_mark) {
edit_delete (edit, 1);
count++;
}
}
}
edit_set_markers (edit, 0, 0, 0, 0);
edit->force |= REDRAW_PAGE;
return 0;
}
/* returns 1 if canceelled by user */
int edit_block_delete_cmd (WEdit * edit)
{
long start_mark, end_mark;
if (eval_marks (edit, &start_mark, &end_mark)) {
edit_delete_line (edit);
return 0;
}
return edit_block_delete (edit);
}
#define INPUT_INDEX 9
static gboolean
editcmd_find (WEdit *edit, gsize *len)
{
gsize search_start = edit->search_start;
gsize search_end;
if (edit->replace_backwards) {
search_end = edit->curs1-1;
while ((int) search_start >= 0) {
if (search_end - search_start > edit->search->original_len && mc_search_is_fixed_search_str(edit->search))
search_end = search_start + edit->search->original_len +1;
if ( mc_search_run(edit->search, (void *) edit, search_start, search_end, len))
{
return TRUE;
}
search_start--;
}
edit->search->error_str = g_strdup(_(" Search string not found "));
} else {
return mc_search_run(edit->search, (void *) edit, edit->search_start, edit->last_byte, len);
}
return FALSE;
}
/* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
(and the above) routines to work properly - paul */
#define is_digit(x) ((x) >= '0' && (x) <= '9')
static char *
edit_replace_cmd__conv_to_display(char *str)
{
#ifdef HAVE_CHARSET
GString *tmp;
tmp = str_convert_to_display (str);
if (tmp && tmp->len){
g_free(str);
str = tmp->str;
}
g_string_free (tmp, FALSE);
return str;
#else
return g_strdup(str);
#endif
}
static char *
edit_replace_cmd__conv_to_input(char *str)
{
#ifdef HAVE_CHARSET
GString *tmp;
tmp = str_convert_to_input (str);
if (tmp && tmp->len){
g_free(str);
str = tmp->str;
}
g_string_free (tmp, FALSE);
return str;
#else
return g_strdup(str);
#endif
}
/* call with edit = 0 before shutdown to close memory leaks */
void
edit_replace_cmd (WEdit *edit, int again)
{
/* 1 = search string, 2 = replace with */
static char *saved1 = NULL; /* saved default[123] */
static char *saved2 = NULL;
char *input1 = NULL; /* user input from the dialog */
char *input2 = NULL;
int replace_yes;
long times_replaced = 0, last_search;
gboolean once_found = FALSE;
if (!edit) {
g_free (saved1), saved1 = NULL;
g_free (saved2), saved2 = NULL;
return;
}
last_search = edit->last_byte;
edit->force |= REDRAW_COMPLETELY;
if (again && !saved1 && !saved2)
again = 0;
if (again) {
input1 = g_strdup (saved1 ? saved1 : "");
input2 = g_strdup (saved2 ? saved2 : "");
} else {
char *disp1 = edit_replace_cmd__conv_to_display(g_strdup (saved1 ? saved1 : ""));
char *disp2 = edit_replace_cmd__conv_to_display(g_strdup (saved2 ? saved2 : ""));
edit_push_action (edit, KEY_PRESS + edit->start_display);
editcmd_dialog_replace_show (edit, disp1, disp2, &input1, &input2 );
g_free (disp1);
g_free (disp2);
if (input1 == NULL || *input1 == '\0') {
edit->force = REDRAW_COMPLETELY;
goto cleanup;
}
input1 = edit_replace_cmd__conv_to_input(input1);
input2 = edit_replace_cmd__conv_to_input(input2);
g_free (saved1), saved1 = g_strdup (input1);
g_free (saved2), saved2 = g_strdup (input2);
if (edit->search)
{
mc_search_free(edit->search);
edit->search = NULL;
}
}
if (!edit->search)
{
edit->search = mc_search_new(input1, -1);
if (edit->search == NULL)
{
edit->search_start = edit->curs1;
return;
}
edit->search->search_type = edit->search_type;
edit->search->is_all_charsets = edit->all_codepages;
edit->search->is_case_sentitive = edit->replace_case;
edit->search->search_fn = edit_search_cmd_callback;
}
if (edit->found_len && edit->search_start == edit->found_start + 1
&& edit->replace_backwards)
edit->search_start--;
if (edit->found_len && edit->search_start == edit->found_start - 1
&& !edit->replace_backwards)
edit->search_start++;
do {
gsize len = 0;
long new_start;
if (! editcmd_find(edit, &len))
{
if (!(edit->search->error == MC_SEARCH_E_OK || (once_found && edit->search->error == MC_SEARCH_E_NOTFOUND)))
{
edit_error_dialog (_ ("Search"), edit->search->error_str);
}
break;
}
once_found = TRUE;
new_start = edit->search->normal_offset;
edit->search_start = new_start = edit->search->normal_offset;
/*returns negative on not found or error in pattern */
if (edit->search_start >= 0) {
guint i;
edit->found_start = edit->search_start;
i = edit->found_len = len;
edit_cursor_move (edit, edit->search_start - edit->curs1);
edit_scroll_screen_over_cursor (edit);
replace_yes = 1;
if (edit->replace_mode == 0) {
int l;
l = edit->curs_row - edit->num_widget_lines / 3;
if (l > 0)
edit_scroll_downward (edit, l);
if (l < 0)
edit_scroll_upward (edit, -l);
edit_scroll_screen_over_cursor (edit);
edit->force |= REDRAW_PAGE;
edit_render_keypress (edit);
/*so that undo stops at each query */
edit_push_key_press (edit);
/* and prompt 2/3 down */
switch (editcmd_dialog_replace_prompt_show (edit, input1, input2, -1, -1)) {
case B_ENTER:
replace_yes = 1;
break;
case B_SKIP_REPLACE:
replace_yes = 0;
break;
case B_REPLACE_ALL:
edit->replace_mode=1;
break;
case B_CANCEL:
replace_yes = 0;
edit->replace_mode = -1;
break;
}
}
if (replace_yes) { /* delete then insert new */
GString *repl_str, *tmp_str;
tmp_str = g_string_new(input2);
repl_str = mc_search_prepare_replace_str (edit->search, tmp_str);
g_string_free(tmp_str, TRUE);
if (edit->search->error != MC_SEARCH_E_OK)
{
edit_error_dialog (_ ("Replace"), edit->search->error_str);
break;
}
while (i--)
edit_delete (edit, 1);
while (++i < repl_str->len)
edit_insert (edit, repl_str->str[i]);
g_string_free(repl_str, TRUE);
edit->found_len = i;
}
/* so that we don't find the same string again */
if (edit->replace_backwards) {
last_search = edit->search_start;
edit->search_start--;
} else {
edit->search_start += i;
last_search = edit->last_byte;
}
edit_scroll_screen_over_cursor (edit);
} else {
const char *msg = _(" Replace ");
/* try and find from right here for next search */
edit->search_start = edit->curs1;
edit_update_curs_col (edit);
edit->force |= REDRAW_PAGE;
edit_render_keypress (edit);
if (times_replaced) {
message (D_NORMAL, msg, _(" %ld replacements made. "),
times_replaced);
} else
query_dialog (msg, _(" Search string not found "),
D_NORMAL, 1, _("&OK"));
edit->replace_mode = -1;
}
} while (edit->replace_mode >= 0);
edit->force = REDRAW_COMPLETELY;
edit_scroll_screen_over_cursor (edit);
cleanup:
g_free (input1);
g_free (input2);
}
void edit_search_cmd (WEdit * edit, int again)
{
char *search_string = NULL, *search_string_dup = NULL;
gsize len = 0;
if (!edit)
return;
if (edit->search != NULL)
search_string_dup = search_string = g_strndup(edit->search->original, edit->search->original_len);
if (!again)
{
#ifdef HAVE_CHARSET
GString *tmp;
if (search_string && *search_string)
{
tmp = str_convert_to_display (search_string);
g_free(search_string_dup);
search_string_dup = NULL;
if (tmp && tmp->len)
search_string = search_string_dup = tmp->str;
g_string_free (tmp, FALSE);
}
#endif /* HAVE_CHARSET */
editcmd_dialog_search_show (edit, &search_string);
#ifdef HAVE_CHARSET
if (search_string && *search_string)
{
tmp = str_convert_to_input (search_string);
if (tmp && tmp->len)
search_string = tmp->str;
g_string_free (tmp, FALSE);
if (search_string_dup)
g_free(search_string_dup);
}
#endif /* HAVE_CHARSET */
edit_push_action (edit, KEY_PRESS + edit->start_display);
if (!search_string)
{
edit->force |= REDRAW_COMPLETELY;
edit_scroll_screen_over_cursor (edit);
return;
}
if (edit->search)
{
mc_search_free(edit->search);
edit->search = NULL;
}
}
if (!edit->search)
{
edit->search = mc_search_new(search_string, -1);
if (edit->search == NULL)
{
edit->search_start = edit->curs1;
return;
}
edit->search->search_type = edit->search_type;
edit->search->is_all_charsets = edit->all_codepages;
edit->search->is_case_sentitive = edit->replace_case;
edit->search->search_fn = edit_search_cmd_callback;
}
if (search_create_bookmark)
{
edit_search_cmd_search_create_bookmark(edit);
}
else
{
if (edit->found_len && edit->search_start == edit->found_start + 1 && edit->replace_backwards)
edit->search_start--;
if (edit->found_len && edit->search_start == edit->found_start - 1 && !edit->replace_backwards)
edit->search_start++;
if (editcmd_find(edit, &len))
{
edit->found_start = edit->search_start = edit->search->normal_offset;
edit->found_len = len;
edit_cursor_move (edit, edit->search_start - edit->curs1);
edit_scroll_screen_over_cursor (edit);
if (edit->replace_backwards)
edit->search_start--;
else
edit->search_start++;
}
else
{
edit->search_start = edit->curs1;
if (edit->search->error_str)
edit_error_dialog (_ ("Search"), edit->search->error_str);
}
}
edit->force |= REDRAW_COMPLETELY;
edit_scroll_screen_over_cursor (edit);
}
/*
* Check if it's OK to close the editor. If there are unsaved changes,
* ask user. Return 1 if it's OK to exit, 0 to continue editing.
*/
int
edit_ok_to_exit (WEdit *edit)
{
if (!edit->modified)
return 1;
switch (edit_query_dialog3
(_("Quit"), _(" File was modified, Save with exit? "),
_("&Cancel quit"), _("&Yes"), _("&No"))) {
case 1:
edit_push_markers (edit);
edit_set_markers (edit, 0, 0, 0, 0);
if (!edit_save_cmd (edit))
return 0;
break;
case 2:
break;
case 0:
case -1:
return 0;
}
return 1;
}
/* Return a null terminated length of text. Result must be g_free'd */
static unsigned char *
edit_get_block (WEdit *edit, long start, long finish, int *l)
{
unsigned char *s, *r;
r = s = g_malloc (finish - start + 1);
if (column_highlighting) {
*l = 0;
/* copy from buffer, excluding chars that are out of the column 'margins' */
while (start < finish) {
int c, x;
x = edit_move_forward3 (edit, edit_bol (edit, start), 0,
start);
c = edit_get_byte (edit, start);
if ((x >= edit->column1 && x < edit->column2)
|| (x >= edit->column2 && x < edit->column1) || c == '\n') {
*s++ = c;
(*l)++;
}
start++;
}
} else {
*l = finish - start;
while (start < finish)
*s++ = edit_get_byte (edit, start++);
}
*s = 0;
return r;
}
/* save block, returns 1 on success */
int
edit_save_block (WEdit * edit, const char *filename, long start,
long finish)
{
int len, file;
if ((file =
mc_open (filename, O_CREAT | O_WRONLY | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY)) == -1)
return 0;
if (column_highlighting) {
int r;
r = mc_write (file, VERTICAL_MAGIC, sizeof(VERTICAL_MAGIC));
if (r > 0) {
unsigned char *block, *p;
p = block = edit_get_block (edit, start, finish, &len);
while (len) {
r = mc_write (file, p, len);
if (r < 0)
break;
p += r;
len -= r;
}
g_free (block);
}
} else {
unsigned char *buf;
int i = start, end;
len = finish - start;
buf = g_malloc (TEMP_BUF_LEN);
while (start != finish) {
end = min (finish, start + TEMP_BUF_LEN);
for (; i < end; i++)
buf[i - start] = edit_get_byte (edit, i);
len -= mc_write (file, (char *) buf, end - start);
start = end;
}
g_free (buf);
}
mc_close (file);
if (len)
return 0;
return 1;
}
/* copies a block to clipboard file */
static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
{
int ret;
gchar *tmp;
tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
ret = edit_save_block (edit, tmp, start, finish);
g_free(tmp);
return ret;
}
void edit_paste_from_history (WEdit *edit)
{
(void) edit;
edit_error_dialog (_(" Error "), _(" This function is not implemented. "));
}
int edit_copy_to_X_buf_cmd (WEdit * edit)
{
long start_mark, end_mark;
if (eval_marks (edit, &start_mark, &end_mark))
return 0;
if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. ")));
return 1;
}
edit_mark_cmd (edit, 1);
return 0;
}
int edit_cut_to_X_buf_cmd (WEdit * edit)
{
long start_mark, end_mark;
if (eval_marks (edit, &start_mark, &end_mark))
return 0;
if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. "));
return 1;
}
edit_block_delete_cmd (edit);
edit_mark_cmd (edit, 1);
return 0;
}
void edit_paste_from_X_buf_cmd (WEdit * edit)
{
gchar *tmp;
tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
edit_insert_file (edit, tmp);
g_free(tmp);
}
/*
* Ask user for the line and go to that line.
* Negative numbers mean line from the end (i.e. -1 is the last line).
*/
void
edit_goto_cmd (WEdit *edit)
{
char *f;
static long line = 0; /* line as typed, saved as default */
long l;
char *error;
char s[32];
g_snprintf (s, sizeof (s), "%ld", line);
f = input_dialog (_(" Goto line "), _(" Enter line: "), MC_HISTORY_EDIT_GOTO_LINE,
line ? s : "");
if (!f)
return;
if (!*f) {
g_free (f);
return;
}
l = strtol (f, &error, 0);
if (*error) {
g_free (f);
return;
}
line = l;
if (l < 0)
l = edit->total_lines + l + 2;
edit_move_display (edit, l - edit->num_widget_lines / 2 - 1);
edit_move_to_line (edit, l - 1);
edit->force |= REDRAW_COMPLETELY;
g_free (f);
}
/* Return 1 on success */
int
edit_save_block_cmd (WEdit *edit)
{
long start_mark, end_mark;
char *exp, *tmp;
if (eval_marks (edit, &start_mark, &end_mark))
return 1;
tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
exp =
input_expand_dialog (_(" Save Block "), _(" Enter file name: "),
MC_HISTORY_EDIT_SAVE_BLOCK,
tmp);
g_free(tmp);
edit_push_action (edit, KEY_PRESS + edit->start_display);
if (exp) {
if (!*exp) {
g_free (exp);
return 0;
} else {
if (edit_save_block (edit, exp, start_mark, end_mark)) {
g_free (exp);
edit->force |= REDRAW_COMPLETELY;
return 1;
} else {
g_free (exp);
edit_error_dialog (_(" Save Block "),
get_sys_error (_
(" Cannot save file. ")));
}
}
}
edit->force |= REDRAW_COMPLETELY;
return 0;
}
/* returns 1 on success */
int
edit_insert_file_cmd (WEdit *edit)
{
gchar *tmp;
char *exp;
tmp = concat_dir_and_file (home_dir, EDIT_CLIP_FILE);
exp = input_expand_dialog (_(" Insert File "), _(" Enter file name: "),
MC_HISTORY_EDIT_INSERT_FILE,
tmp);
g_free(tmp);
edit_push_action (edit, KEY_PRESS + edit->start_display);
if (exp) {
if (!*exp) {
g_free (exp);
return 0;
} else {
if (edit_insert_file (edit, exp)) {
g_free (exp);
edit->force |= REDRAW_COMPLETELY;
return 1;
} else {
g_free (exp);
edit_error_dialog (_(" Insert File "),
get_sys_error (_
(" Cannot insert file. ")));
}
}
}
edit->force |= REDRAW_COMPLETELY;
return 0;
}
/* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
int edit_sort_cmd (WEdit * edit)
{
static char *old = 0;
char *exp, *tmp;
long start_mark, end_mark;
int e;
if (eval_marks (edit, &start_mark, &end_mark)) {
edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. "));
return 0;
}
tmp = concat_dir_and_file (home_dir, EDIT_BLOCK_FILE);
edit_save_block (edit, tmp, start_mark, end_mark);
g_free(tmp);
exp = input_dialog (_(" Run Sort "),
_(" Enter sort options (see manpage) separated by whitespace: "),
MC_HISTORY_EDIT_SORT, (old != NULL) ? old : "");
if (!exp)
return 1;
g_free (old);
old = exp;
tmp = g_strconcat (" sort ", exp, " ", home_dir, PATH_SEP_STR EDIT_BLOCK_FILE, " > ",
home_dir, PATH_SEP_STR EDIT_TEMP_FILE, (char *) NULL);
e = system (tmp);
g_free(tmp);
if (e) {
if (e == -1 || e == 127) {
edit_error_dialog (_(" Sort "),
get_sys_error (_(" Cannot execute sort command ")));
} else {
char q[8];
sprintf (q, "%d ", e);
tmp = g_strconcat (_(" Sort returned non-zero: "), q, (char *) NULL);
edit_error_dialog (_(" Sort "), tmp);
g_free(tmp);
}
return -1;
}
edit->force |= REDRAW_COMPLETELY;
if (edit_block_delete_cmd (edit))
return 1;
tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
edit_insert_file (edit, tmp);
g_free(tmp);
return 0;
}
/*
* Ask user for a command, execute it and paste its output back to the
* editor.
*/
int
edit_ext_cmd (WEdit *edit)
{
char *exp, *tmp;
int e;
exp =
input_dialog (_("Paste output of external command"),
_("Enter shell command(s):"),
MC_HISTORY_EDIT_PASTE_EXTCMD, NULL);
if (!exp)
return 1;
tmp = g_strconcat (exp, " > ", home_dir, PATH_SEP_STR EDIT_TEMP_FILE, (char *) NULL);
e = system (tmp);
g_free(tmp);
g_free (exp);
if (e) {
edit_error_dialog (_("External command"),
get_sys_error (_("Cannot execute command")));
return -1;
}
edit->force |= REDRAW_COMPLETELY;
tmp = concat_dir_and_file (home_dir, EDIT_TEMP_FILE);
edit_insert_file (edit, tmp);
g_free(tmp);
return 0;
}
/* if block is 1, a block must be highlighted and the shell command
processes it. If block is 0 the shell command is a straight system
command, that just produces some output which is to be inserted */
void
edit_block_process_cmd (WEdit *edit, const char *shell_cmd, int block)
{
long start_mark, end_mark;
char buf[BUFSIZ];
FILE *script_home = NULL;
FILE *script_src = NULL;
FILE *block_file = NULL;
gchar *o, *h, *b, *tmp;
char *quoted_name = NULL;
o = g_strconcat (mc_home, shell_cmd, (char *) NULL); /* original source script */
h = g_strconcat (home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, (char *) NULL); /* home script */
b = concat_dir_and_file (home_dir, EDIT_BLOCK_FILE); /* block file */
if (!(script_home = fopen (h, "r"))) {
if (!(script_home = fopen (h, "w"))) {
tmp = g_strconcat (_("Error creating script:"), h, (char *) NULL);
edit_error_dialog ("", get_sys_error (tmp));
g_free(tmp);
goto edit_block_process_cmd__EXIT;
}
if (!(script_src = fopen (o, "r"))) {
o = g_strconcat (mc_home_alt, shell_cmd, (char *) NULL);
if (!(script_src = fopen (o, "r"))) {
fclose (script_home);
unlink (h);
tmp = g_strconcat (_("Error reading script:"), o, (char *) NULL);
edit_error_dialog ("", get_sys_error (tmp));
g_free(tmp);
goto edit_block_process_cmd__EXIT;
}
}
while (fgets (buf, sizeof (buf), script_src))
fputs (buf, script_home);
if (fclose (script_home)) {
tmp = g_strconcat (_("Error closing script:"), h, (char *) NULL);
edit_error_dialog ("", get_sys_error (tmp));
g_free(tmp);
goto edit_block_process_cmd__EXIT;
}
chmod (h, 0700);
tmp = g_strconcat (_("Script created:"), h, (char *) NULL);
edit_error_dialog ("", get_sys_error (tmp));
g_free(tmp);
}
open_error_pipe ();
if (block) { /* for marked block run indent formatter */
if (eval_marks (edit, &start_mark, &end_mark)) {
edit_error_dialog (_("Process block"),
_
(" You must first highlight a block of text. "));
goto edit_block_process_cmd__EXIT;
}
edit_save_block (edit, b, start_mark, end_mark);
quoted_name = name_quote (edit->filename, 0);
/*
* Run script.
* Initial space is to avoid polluting bash history.
* Arguments:
* $1 - name of the edited file (to check its extension etc).
* $2 - file containing the current block.
* $3 - file where error messages should be put
* (for compatibility with old scripts).
*/
tmp = g_strconcat (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ", quoted_name,
" ", home_dir, PATH_SEP_STR EDIT_BLOCK_FILE " /dev/null", (char *) NULL);
system (tmp);
g_free(tmp);
} else {
/*
* No block selected, just execute the command for the file.
* Arguments:
* $1 - name of the edited file.
*/
tmp = g_strconcat (" ", home_dir, PATH_SEP_STR EDIT_DIR, shell_cmd, " ",
quoted_name, (char *) NULL);
system (tmp);
g_free(tmp);
}
g_free (quoted_name);
close_error_pipe (D_NORMAL, NULL);
edit_refresh_cmd (edit);
edit->force |= REDRAW_COMPLETELY;
/* insert result block */
if (block) {
if (edit_block_delete_cmd (edit))
goto edit_block_process_cmd__EXIT;
edit_insert_file (edit, b);
if ((block_file = fopen (b, "w")))
fclose (block_file);
goto edit_block_process_cmd__EXIT;
}
edit_block_process_cmd__EXIT:
g_free(b);
g_free(h);
g_free(o);
return;
}
/* prints at the cursor */
/* returns the number of chars printed */
int edit_print_string (WEdit * e, const char *s)
{
int i = 0;
while (s[i])
edit_execute_cmd (e, -1, (unsigned char) s[i++]);
e->force |= REDRAW_COMPLETELY;
edit_update_screen (e);
return i;
}
static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc)
{
FILE *p = 0;
char *s;
to = name_quote (to, 0);
subject = name_quote (subject, 0);
cc = name_quote (cc, 0);
s = g_strconcat ("mail -s ", subject, *cc ? " -c " : "" , cc, " ", to, (char *) NULL);
g_free (to);
g_free (subject);
g_free (cc);
if (s) {
p = popen (s, "w");
g_free (s);
}
if (p) {
long i;
for (i = 0; i < edit->last_byte; i++)
fputc (edit_get_byte (edit, i), p);
pclose (p);
}
}
#define MAIL_DLG_HEIGHT 12
void edit_mail_dialog (WEdit * edit)
{
char *tmail_to;
char *tmail_subject;
char *tmail_cc;
static char *mail_cc_last = 0;
static char *mail_subject_last = 0;
static char *mail_to_last = 0;
QuickDialog Quick_input =
{50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "),
"[Input Line Keys]", 0, 0};
QuickWidget quick_widgets[] =
{
{quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
0, NULL, NULL, NULL},
{quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
0, NULL, NULL, NULL},
{quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0,
0, "mail-dlg-input", NULL, NULL},
{quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0,
0, 0, NULL, NULL},
{quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0,
0, "mail-dlg-input-2", NULL, NULL},
{quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0,
0, 0, NULL, NULL},
{quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0,
0, "mail-dlg-input-3", NULL, NULL},
{quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0,
0, 0, NULL, NULL},
{quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s <subject> -c <cc> <to>"), 0, 0, 0,
0, 0, NULL, NULL},
NULL_QuickWidget};
quick_widgets[2].str_result = &tmail_cc;
quick_widgets[2].text = mail_cc_last ? mail_cc_last : "";
quick_widgets[4].str_result = &tmail_subject;
quick_widgets[4].text = mail_subject_last ? mail_subject_last : "";
quick_widgets[6].str_result = &tmail_to;
quick_widgets[6].text = mail_to_last ? mail_to_last : "";
Quick_input.widgets = quick_widgets;
if (quick_dialog (&Quick_input) != B_CANCEL) {
g_free (mail_cc_last);
g_free (mail_subject_last);
g_free (mail_to_last);
mail_cc_last = tmail_cc;
mail_subject_last = tmail_subject;
mail_to_last = tmail_to;
pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
}
}
/*******************/
/* Word Completion */
/*******************/
static gboolean is_break_char(char c)
{
return (isspace(c) || strchr("{}[]()<>=|/\\!?~'\",.;:#$%^&*", c));
}
/* find first character of current word */
static int edit_find_word_start (WEdit *edit, long *word_start, int *word_len)
{
int i, c, last;
/* return if at begin of file */
if (edit->curs1 <= 0)
return 0;
c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1);
/* return if not at end or in word */
if (is_break_char(c))
return 0;
/* search start of word to be completed */
for (i = 2;; i++) {
/* return if at begin of file */
if (edit->curs1 - i < 0)
return 0;
last = c;
c = (unsigned char) edit_get_byte (edit, edit->curs1 - i);
if (is_break_char(c)) {
/* return if word starts with digit */
if (isdigit (last))
return 0;
*word_start = edit->curs1 - (i - 1); /* start found */
*word_len = i - 1;
break;
}
}
/* success */
return 1;
}
#define MAX_WORD_COMPLETIONS 100 /* in listbox */
/* collect the possible completions */
static int
edit_collect_completions (WEdit *edit, long start, int word_len,
char *match_expr, struct selection *compl,
int *num)
{
int max_len = 0, i, skip;
gsize len = 0;
GString *temp;
mc_search_t *srch;
srch = mc_search_new(match_expr, -1);
if (srch == NULL)
return 0;
srch->search_type = MC_SEARCH_T_REGEX;
srch->is_case_sentitive = TRUE;
srch->search_fn = edit_search_cmd_callback;
/* collect max MAX_WORD_COMPLETIONS completions */
start--;
while (*num < MAX_WORD_COMPLETIONS) {
/* get next match */
if (mc_search_run (srch, (void *) edit, start+1, edit->last_byte, &len) == FALSE)
break;
start = srch->normal_offset;
/* add matched completion if not yet added */
temp = g_string_new("");
for (i = 0; i < len; i++){
skip = edit_get_byte(edit, start+i);
if (isspace(skip))
continue;
g_string_append_c (temp, skip);
}
skip = 0;
for (i = 0; i < *num; i++) {
if (strncmp
(
(char *) &compl[i].text[word_len],
(char *) &temp->str[word_len],
max (len, compl[i].len) - word_len
) == 0) {
skip = 1;
break; /* skip it, already added */
}
}
if (skip) {
g_string_free(temp, TRUE);
continue;
}
compl[*num].text = temp->str;
compl[*num].len = temp->len;
(*num)++;
g_string_free(temp, FALSE);
/* note the maximal length needed for the completion dialog */
if (len > max_len)
max_len = len;
}
mc_search_free(srch);
return max_len;
}
/*
* Complete current word using regular expression search
* backwards beginning at the current cursor position.
*/
void
edit_complete_word_cmd (WEdit *edit)
{
int word_len = 0, i, num_compl = 0, max_len;
long word_start = 0;
unsigned char *bufpos;
char *match_expr;
struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */
/* search start of word to be completed */
if (!edit_find_word_start (edit, &word_start, &word_len))
return;
/* prepare match expression */
bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
[word_start & M_EDIT_BUF_SIZE];
match_expr = g_strdup_printf ("(^|\\s)%.*s[^\\s\\.=\\+\\{\\}\\[\\]\\(\\)\\\\\\!\\,<>\\?\\/@#\\$%%\\^&\\*\\~\\|\\\"'\\:\\;]+", word_len, bufpos);
/* collect the possible completions */
/* start search from begin to end of file */
max_len =
edit_collect_completions (edit, 0, word_len, match_expr,
(struct selection *) &compl, &num_compl);
if (num_compl > 0) {
/* insert completed word if there is only one match */
if (num_compl == 1) {
for (i = word_len; i < compl[0].len; i++)
edit_insert (edit, *(compl[0].text + i));
}
/* more than one possible completion => ask the user */
else {
/* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
/* !!! pressed again the selection dialog pops up, but that !!! */
/* !!! seems to require a further internal state !!! */
/*beep (); */
/* let the user select the preferred completion */
editcmd_dialog_completion_show (edit, max_len, word_len,
(struct selection *) &compl,
num_compl);
}
}
g_free (match_expr);
/* release memory before return */
for (i = 0; i < num_compl; i++)
g_free (compl[i].text);
}
void
edit_select_codepage_cmd (WEdit *edit)
{
#ifdef HAVE_CHARSET
if (do_select_codepage ()) {
const char *cp_id;
cp_id = get_codepage_id (source_codepage >= 0 ?
source_codepage : display_codepage);
if (cp_id != NULL)
edit->utf8 = str_isutf8 (cp_id);
}
edit->force = REDRAW_COMPLETELY;
edit_refresh_cmd (edit);
#endif
}
void
edit_insert_literal_cmd (WEdit *edit)
{
int char_for_insertion =
editcmd_dialog_raw_key_query (_(" Insert Literal "),
_(" Press any key: "), 0);
edit_execute_key_command (edit, -1,
ascii_alpha_to_cntrl (char_for_insertion));
}
void
edit_execute_macro_cmd (WEdit *edit)
{
int command =
CK_Macro (editcmd_dialog_raw_key_query
(_(" Execute Macro "), _(" Press macro hotkey: "),
1));
if (command == CK_Macro (0))
command = CK_Insert_Char;
edit_execute_key_command (edit, command, -1);
}
void
edit_begin_end_macro_cmd(WEdit *edit)
{
int command;
/* edit is a pointer to the widget */
if (edit) {
command =
edit->macro_i <
0 ? CK_Begin_Record_Macro : CK_End_Record_Macro;
edit_execute_key_command (edit, command, -1);
}
}
int
edit_load_forward_cmd (WEdit *edit)
{
if (edit->modified) {
if (edit_query_dialog2
(_("Warning"),
_(" Current text was modified without a file save. \n"
" Continue discards these changes. "), _("C&ontinue"),
_("&Cancel"))) {
edit->force |= REDRAW_COMPLETELY;
return 0;
}
}
if ( edit_stack_iterator + 1 < MAX_HISTORY_MOVETO ) {
if ( edit_history_moveto[edit_stack_iterator + 1].line < 1 ) {
return 1;
}
edit_stack_iterator++;
if ( edit_history_moveto[edit_stack_iterator].filename ) {
edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename,
edit_history_moveto[edit_stack_iterator].line);
return 0;
} else {
return 1;
}
} else {
return 1;
}
}
int
edit_load_back_cmd (WEdit *edit)
{
if (edit->modified) {
if (edit_query_dialog2
(_("Warning"),
_(" Current text was modified without a file save. \n"
" Continue discards these changes. "), _("C&ontinue"),
_("&Cancel"))) {
edit->force |= REDRAW_COMPLETELY;
return 0;
}
}
if ( edit_stack_iterator > 0 ) {
edit_stack_iterator--;
if ( edit_history_moveto[edit_stack_iterator].filename ) {
edit_reload_line (edit, edit_history_moveto[edit_stack_iterator].filename,
edit_history_moveto[edit_stack_iterator].line);
return 0;
} else {
return 1;
}
} else {
return 1;
}
}
void
edit_get_match_keyword_cmd (WEdit *edit)
{
int word_len = 0;
int num_def = 0;
int max_len = 0;
int i;
long word_start = 0;
unsigned char *bufpos;
char *match_expr;
char *path = NULL;
char *ptr = NULL;
char *tagfile = NULL;
etags_hash_t def_hash[MAX_DEFINITIONS];
for ( i = 0; i < MAX_DEFINITIONS; i++) {
def_hash[i].filename = NULL;
}
/* search start of word to be completed */
if (!edit_find_word_start (edit, &word_start, &word_len))
return;
/* prepare match expression */
bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
[word_start & M_EDIT_BUF_SIZE];
match_expr = g_strdup_printf ("%.*s", word_len, bufpos);
ptr = g_get_current_dir ();
path = g_strconcat (ptr, G_DIR_SEPARATOR_S, (char *) NULL);
g_free (ptr);
/* Recursive search file 'TAGS' in parent dirs */
do {
ptr = g_path_get_dirname (path);
g_free(path); path = ptr;
g_free (tagfile);
tagfile = g_build_filename (path, TAGS_NAME, (char *) NULL);
if ( exist_file (tagfile) )
break;
} while (strcmp( path, G_DIR_SEPARATOR_S) != 0);
if (tagfile){
num_def = etags_set_definition_hash(tagfile, path, match_expr, (etags_hash_t *) &def_hash);
g_free (tagfile);
}
g_free (path);
max_len = MAX_WIDTH_DEF_DIALOG;
word_len = 0;
if ( num_def > 0 ) {
editcmd_dialog_select_definition_show (edit, match_expr, max_len, word_len,
(etags_hash_t *) &def_hash,
num_def);
}
g_free (match_expr);
}
void
edit_move_block_to_right (WEdit * edit)
{
long start_mark, end_mark;
long cur_bol, start_bol;
if ( eval_marks (edit, &start_mark, &end_mark) )
return;
start_bol = edit_bol (edit, start_mark);
cur_bol = edit_bol (edit, end_mark - 1);
do {
edit_cursor_move (edit, cur_bol - edit->curs1);
if ( option_fill_tabs_with_spaces ) {
if ( option_fake_half_tabs ) {
insert_spaces_tab (edit, 1);
} else {
insert_spaces_tab (edit, 0);
}
} else {
edit_insert (edit, '\t');
}
edit_cursor_move (edit, edit_bol (edit, cur_bol) - edit->curs1);
if ( cur_bol == 0 ) {
break;
}
cur_bol = edit_bol (edit, cur_bol - 1);
} while (cur_bol >= start_bol) ;
edit->force |= REDRAW_PAGE;
}
void
edit_move_block_to_left (WEdit * edit)
{
long start_mark, end_mark;
long cur_bol, start_bol;
int i, del_tab_width;
int next_char;
if ( eval_marks (edit, &start_mark, &end_mark) )
return;
start_bol = edit_bol (edit, start_mark);
cur_bol = edit_bol (edit, end_mark - 1);
do {
edit_cursor_move (edit, cur_bol - edit->curs1);
if (option_fake_half_tabs) {
del_tab_width = HALF_TAB_SIZE;
} else {
del_tab_width = option_tab_spacing;
}
next_char = edit_get_byte (edit, edit->curs1);
if ( next_char == '\t' ) {
edit_delete (edit, 1);
} else if ( next_char == ' ' ) {
for (i = 1; i <= del_tab_width; i++) {
if ( next_char == ' ' ) {
edit_delete (edit, 1);
}
next_char = edit_get_byte (edit, edit->curs1);
}
}
if ( cur_bol == 0 ) {
break;
}
cur_bol = edit_bol (edit, cur_bol - 1);
} while (cur_bol >= start_bol) ;
edit->force |= REDRAW_PAGE;
}
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