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mc/src/editor/editcmd.c
Slava Zanko 4945d0f9a6 Changed interface of function mc_open() for handle vfs_path_t object as parameter 
Signed-off-by: Slava Zanko <slavazanko@gmail.com>
2012-03-06 11:41:25 +03:00

3266 строки
92 KiB
C
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/*
Editor high level editing commands
Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2011
The Free Software Foundation, Inc.
Written by:
Paul Sheer, 1996, 1997
This file is part of the Midnight Commander.
The Midnight Commander 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 3 of the License,
or (at your option) any later version.
The Midnight Commander 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, see <http://www.gnu.org/licenses/>.
*/
/** \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 "lib/global.h"
#include "lib/tty/tty.h"
#include "lib/tty/key.h" /* XCTRL */
#include "lib/mcconfig.h"
#include "lib/skin.h"
#include "lib/strutil.h" /* utf string functions */
#include "lib/lock.h"
#include "lib/util.h" /* tilde_expand() */
#include "lib/vfs/vfs.h"
#include "lib/widget.h"
#include "lib/charsets.h"
#include "lib/event.h" /* mc_event_raise() */
#include "src/history.h"
#include "src/setup.h" /* option_tab_spacing */
#include "src/main.h" /* mactos_t */
#include "src/selcodepage.h"
#include "src/keybind-defaults.h"
#include "src/util.h" /* check_for_default() */
#include "src/filemanager/layout.h" /* mc_refresh() */
#include "edit-impl.h"
#include "edit-widget.h"
#include "editcmd_dialogs.h"
#include "etags.h"
/*** global variables ****************************************************************************/
/* search and replace: */
int search_create_bookmark = FALSE;
/* queries on a save */
int edit_confirm_save = 1;
/*** file scope macro definitions ****************************************************************/
#define space_width 1
#define TEMP_BUF_LEN 1024
#define INPUT_INDEX 9
/* 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')
#define MAIL_DLG_HEIGHT 12
#define MAX_WORD_COMPLETIONS 100 /* in listbox */
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/* 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;
vfs_path_t *real_filename_vpath;
vfs_path_t *savename_vpath;
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);
}
real_filename_vpath = vfs_path_from_str (real_filename);
this_save_mode = option_save_mode;
if (this_save_mode != EDIT_QUICK_SAVE)
{
if (!vfs_file_is_local (real_filename_vpath)
|| (fd = mc_open (real_filename_vpath, 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_vpath, &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);
vfs_path_free (real_filename_vpath);
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);
vfs_path_free (real_filename_vpath);
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);
vfs_path_free (real_filename_vpath);
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);
savename_vpath = vfs_path_from_str (savename);
(void) mc_chown (savename_vpath, edit->stat1.st_uid, edit->stat1.st_gid);
(void) mc_chmod (savename_vpath, edit->stat1.st_mode);
fd = mc_open (savename_vpath, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY, edit->stat1.st_mode);
if (fd == -1)
goto error_save;
/* pipe save */
p = edit_get_write_filter (savename, real_filename);
if (p != NULL)
{
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_strdup_printf (_("Error writing to pipe: %s"), p);
edit_error_dialog (_("Error"), tmp);
g_free (tmp);
g_free (p);
goto error_save;
}
#endif
}
else
{
tmp = g_strdup_printf (_("Cannot open pipe for writing: %s"), p);
edit_error_dialog (_("Error"), get_sys_error (tmp));
g_free (p);
g_free (tmp);
goto error_save;
}
g_free (p);
}
else if (edit->lb == LB_ASIS)
{ /* do not change line breaks */
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. */
savename_vpath = vfs_path_from_str (savename);
if (mc_stat (savename_vpath, &edit->stat1) == -1)
goto error_save;
}
else
{ /* change line breaks */
FILE *file;
mc_close (fd);
file = (FILE *) fopen (savename, "w");
if (file)
{
filelen = edit_write_stream (edit, file);
fclose (file);
}
else
{
char *msg;
msg = g_strdup_printf (_("Cannot open file for writing: %s"), savename);
edit_error_dialog (_("Error"), msg);
g_free (msg);
goto error_save;
}
}
if (filelen != edit->last_byte)
goto error_save;
if (this_save_mode == EDIT_DO_BACKUP)
{
vfs_path_t *tmp_vpath;
gboolean ok;
assert (option_backup_ext != NULL);
tmp_vpath = vfs_path_append_new (real_filename_vpath, option_backup_ext, (char *) NULL);
ok = (mc_rename (real_filename_vpath, tmp_vpath) != -1);
vfs_path_free (tmp_vpath);
if (!ok)
goto error_save;
}
if (this_save_mode != EDIT_QUICK_SAVE)
if (mc_rename (savename_vpath, real_filename_vpath) == -1)
goto error_save;
g_free (real_filename);
g_free (savename);
vfs_path_free (real_filename_vpath);
vfs_path_free (savename_vpath);
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);
vfs_path_free (real_filename_vpath);
vfs_path_free (savename_vpath);
return 0;
}
/* --------------------------------------------------------------------------------------------- */
static gboolean
edit_check_newline (WEdit * edit)
{
return !(option_check_nl_at_eof && edit->last_byte > 0
&& edit_get_byte (edit, edit->last_byte - 1) != '\n'
&& edit_query_dialog2 (_("Warning"),
_("The file you are saving is not finished with a newline"),
_("C&ontinue"), _("&Cancel")));
}
/* --------------------------------------------------------------------------------------------- */
static char *
edit_get_save_file_as (WEdit * edit)
{
#define DLG_WIDTH 64
#define DLG_HEIGHT 14
static LineBreaks cur_lb = LB_ASIS;
char *filename = edit->filename;
const char *lb_names[LB_NAMES] = {
N_("&Do not change"),
N_("&Unix format (LF)"),
N_("&Windows/DOS format (CR LF)"),
N_("&Macintosh format (CR)")
};
QuickWidget quick_widgets[] = {
QUICK_BUTTON (6, 10, DLG_HEIGHT - 3, DLG_HEIGHT, N_("&Cancel"), B_CANCEL, NULL),
QUICK_BUTTON (2, 10, DLG_HEIGHT - 3, DLG_HEIGHT, N_("&OK"), B_ENTER, NULL),
QUICK_RADIO (5, DLG_WIDTH, DLG_HEIGHT - 8, DLG_HEIGHT, LB_NAMES, lb_names, (int *) &cur_lb),
QUICK_LABEL (3, DLG_WIDTH, DLG_HEIGHT - 9, DLG_HEIGHT, N_("Change line breaks to:")),
QUICK_INPUT (3, DLG_WIDTH, DLG_HEIGHT - 11, DLG_HEIGHT, filename, DLG_WIDTH - 6, 0,
"save-as", &filename),
QUICK_LABEL (3, DLG_WIDTH, DLG_HEIGHT - 12, DLG_HEIGHT, N_("Enter file name:")),
QUICK_END
};
QuickDialog Quick_options = {
DLG_WIDTH, DLG_HEIGHT, -1, -1,
N_("Save As"), "[Save File As]",
quick_widgets, NULL, FALSE
};
if (quick_dialog (&Quick_options) != B_CANCEL)
{
char *fname;
edit->lb = cur_lb;
fname = tilde_expand (filename);
g_free (filename);
return fname;
}
return NULL;
#undef DLG_WIDTH
#undef DLG_HEIGHT
}
/** 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);
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);
/* 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 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)
{
char *fullpath;
fullpath = mc_build_filename (edit->dir, prev_filename, (char *) NULL);
unlock_file (fullpath);
g_free (fullpath);
}
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 = g_build_filename (mc_global.sysconfig_dir, "syntax", "Syntax", (char *) NULL);
if (!exist_file (extdir))
{
g_free (extdir);
extdir = g_build_filename (mc_global.share_data_dir, "syntax", "Syntax", (char *) NULL);
}
if (dir == 0)
{
char *buffer;
buffer = mc_config_get_full_path (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 () != 0 ? 2 : 3, _("&Local"), _("&User"), _("&System Wide"));
menufile = concat_dir_and_file (mc_global.sysconfig_dir, EDIT_GLOBAL_MENU);
if (!exist_file (menufile))
{
g_free (menufile);
menufile = concat_dir_and_file (mc_global.share_data_dir, 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 = mc_config_get_full_path (EDIT_HOME_MENU);
check_for_default (menufile, buffer);
break;
case 2:
buffer = concat_dir_and_file (mc_global.sysconfig_dir, EDIT_GLOBAL_MENU);
if (!exist_file (buffer))
{
g_free (buffer);
buffer = concat_dir_and_file (mc_global.share_data_dir, EDIT_GLOBAL_MENU);
}
break;
default:
g_free (menufile);
return;
}
edit_load_file_from_filename (edit, buffer);
g_free (buffer);
g_free (menufile);
}
/* --------------------------------------------------------------------------------------------- */
static void
edit_delete_column_of_text (WEdit * edit)
{
long p, q, r, m1, m2;
long b, c, d, 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 = max (min (c, d), min (edit->column1, edit->column2));
c = max (c, max (edit->column1, edit->column2));
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;
int curs_pos, line_width;
long curs_line, c1, c2;
if (eval_marks (edit, &start_mark, &end_mark))
return 0;
if (edit->column_highlight && 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;
}
}
c1 = min (edit->column1, edit->column2);
c2 = max (edit->column1, edit->column2);
edit->column1 = c1;
edit->column2 = c2;
edit_push_markers (edit);
curs_line = edit->curs_line;
/* calculate line width and cursor position before cut */
line_width = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), 0,
edit_eol (edit, edit->curs1));
curs_pos = edit->curs_col + edit->over_col;
/* move cursor to start of selection */
edit_cursor_move (edit, start_mark - edit->curs1);
edit_scroll_screen_over_cursor (edit);
count = start_mark;
if (start_mark < end_mark)
{
if (edit->column_highlight)
{
if (edit->mark2 < 0)
edit_mark_cmd (edit, 0);
edit_delete_column_of_text (edit);
/* move cursor to the saved position */
edit_move_to_line (edit, curs_line);
/* calculate line width after cut */
line_width = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), 0,
edit_eol (edit, edit->curs1));
if (option_cursor_beyond_eol && curs_pos > line_width)
edit->over_col = curs_pos - line_width;
}
else
{
while (count < end_mark)
{
edit_delete (edit, 1);
count++;
}
}
}
edit_set_markers (edit, 0, 0, 0, 0);
edit->force |= REDRAW_PAGE;
return 0;
}
/* --------------------------------------------------------------------------------------------- */
static gboolean
editcmd_find (WEdit * edit, gsize * len)
{
off_t search_start = edit->search_start;
off_t search_end;
long start_mark = 0;
long end_mark = edit->last_byte;
int mark_res = 0;
if (edit_search_options.only_in_selection)
{
mark_res = eval_marks (edit, &start_mark, &end_mark);
if (mark_res != 0)
{
edit->search->error = MC_SEARCH_E_NOTFOUND;
edit->search->error_str = g_strdup (_("Search string not found"));
return FALSE;
}
if (edit_search_options.backwards)
{
if (search_start > end_mark || search_start <= start_mark)
{
search_start = end_mark;
}
}
else
{
if (search_start < start_mark || search_start >= end_mark)
{
search_start = start_mark;
}
}
}
else
{
if (edit_search_options.backwards)
end_mark = max (1, edit->curs1) - 1;
}
if (edit_search_options.backwards)
{
search_end = end_mark;
while ((int) search_start >= start_mark)
{
if (search_end > (off_t) (search_start + edit->search->original_len) &&
mc_search_is_fixed_search_str (edit->search))
{
search_end = search_start + edit->search->original_len;
}
if (mc_search_run (edit->search, (void *) edit, search_start, search_end, len)
&& edit->search->normal_offset == search_start)
{
return TRUE;
}
search_start--;
}
edit->search->error_str = g_strdup (_("Search string not found"));
}
else
{
return mc_search_run (edit->search, (void *) edit, search_start, end_mark, len);
}
return FALSE;
}
/* --------------------------------------------------------------------------------------------- */
static char *
edit_replace_cmd__conv_to_display (char *str)
{
#ifdef HAVE_CHARSET
GString *tmp;
tmp = str_convert_to_display (str);
if (tmp != NULL)
{
if (tmp->len != 0)
return g_string_free (tmp, FALSE);
g_string_free (tmp, TRUE);
}
#endif
return g_strdup (str);
}
/* --------------------------------------------------------------------------------------------- */
static char *
edit_replace_cmd__conv_to_input (char *str)
{
#ifdef HAVE_CHARSET
GString *tmp;
tmp = str_convert_to_input (str);
if (tmp != NULL)
{
if (tmp->len != 0)
return g_string_free (tmp, FALSE);
g_string_free (tmp, TRUE);
}
#endif
return g_strdup (str);
}
/* --------------------------------------------------------------------------------------------- */
static void
edit_do_search (WEdit * edit)
{
gsize len = 0;
if (edit->search == NULL)
edit->search_start = edit->curs1;
edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
if (search_create_bookmark)
{
int found = 0, books = 0;
long l = 0, l_last = -1;
long q = 0;
search_create_bookmark = FALSE;
book_mark_flush (edit, -1);
while (TRUE)
{
if (!mc_search_run (edit->search, (void *) edit, q, edit->last_byte, &len))
break;
if (found == 0)
edit->search_start = edit->search->normal_offset;
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 == 0)
edit_error_dialog (_("Search"), _("Search string not found"));
else
edit_cursor_move (edit, edit->search_start - edit->curs1);
}
else
{
if (edit->found_len != 0 && edit->search_start == edit->found_start + 1
&& edit_search_options.backwards)
edit->search_start--;
if (edit->found_len != 0 && edit->search_start == edit->found_start - 1
&& !edit_search_options.backwards)
edit->search_start++;
if (editcmd_find (edit, &len))
{
edit->found_start = edit->search_start = edit->search->normal_offset;
edit->found_len = len;
edit->over_col = 0;
edit_cursor_move (edit, edit->search_start - edit->curs1);
edit_scroll_screen_over_cursor (edit);
if (edit_search_options.backwards)
edit->search_start--;
else
edit->search_start++;
}
else
{
edit->search_start = edit->curs1;
if (edit->search->error_str != NULL)
edit_error_dialog (_("Search"), edit->search->error_str);
}
}
edit->force |= REDRAW_COMPLETELY;
edit_scroll_screen_over_cursor (edit);
}
/* --------------------------------------------------------------------------------------------- */
static void
edit_search (WEdit * edit)
{
if (editcmd_dialog_search_show (edit))
edit_do_search (edit);
}
/* --------------------------------------------------------------------------------------------- */
/** 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_malloc0 (finish - start + 1);
if (edit->column_highlight)
{
*l = 0;
/* copy from buffer, excluding chars that are out of the column 'margins' */
while (start < finish)
{
int c;
long 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;
}
/* --------------------------------------------------------------------------------------------- */
/** 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 = mc_config_get_full_path (EDIT_CLIP_FILE);
ret = edit_save_block (edit, tmp, start, finish);
g_free (tmp);
return ret;
}
/* --------------------------------------------------------------------------------------------- */
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);
}
}
/* --------------------------------------------------------------------------------------------- */
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, gsize * word_len)
{
int c, last;
gsize i;
/* 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 ((gsize) edit->curs1 < i)
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;
}
/* --------------------------------------------------------------------------------------------- */
/**
* Get current word under cursor
*
* @param edit editor object
* @param srch mc_search object
* @param word_start start word position
*
* @return newly allocated string or NULL if no any words under cursor
*/
static char *
edit_collect_completions_get_current_word (WEdit * edit, mc_search_t * srch, long word_start)
{
gsize len = 0, i;
GString *temp;
if (!mc_search_run (srch, (void *) edit, word_start, edit->last_byte, &len))
return NULL;
temp = g_string_sized_new (len);
for (i = 0; i < len; i++)
{
int chr;
chr = edit_get_byte (edit, word_start + i);
if (!isspace (chr))
g_string_append_c (temp, chr);
}
return g_string_free (temp, temp->len == 0);
}
/* --------------------------------------------------------------------------------------------- */
/** collect the possible completions */
static gsize
edit_collect_completions (WEdit * edit, long word_start, gsize word_len,
char *match_expr, struct selection *compl, gsize * num)
{
gsize len = 0;
gsize max_len = 0;
gsize i;
int skip;
GString *temp;
mc_search_t *srch;
long last_byte, start = -1;
char *current_word;
srch = mc_search_new (match_expr, -1);
if (srch == NULL)
return 0;
if (mc_config_get_bool
(mc_main_config, CONFIG_APP_SECTION, "editor_wordcompletion_collect_entire_file", 0))
{
last_byte = edit->last_byte;
}
else
{
last_byte = word_start;
}
srch->search_type = MC_SEARCH_T_REGEX;
srch->is_case_sensitive = TRUE;
srch->search_fn = edit_search_cmd_callback;
current_word = edit_collect_completions_get_current_word (edit, srch, word_start);
temp = g_string_new ("");
/* collect max MAX_WORD_COMPLETIONS completions */
while (mc_search_run (srch, (void *) edit, start + 1, last_byte, &len))
{
g_string_set_size (temp, 0);
start = srch->normal_offset;
/* add matched completion if not yet added */
for (i = 0; i < len; i++)
{
skip = edit_get_byte (edit, start + i);
if (isspace (skip))
continue;
/* skip current word */
if (start + (long) i == word_start)
break;
g_string_append_c (temp, skip);
}
if (temp->len == 0)
continue;
if (current_word != NULL && strcmp (current_word, temp->str) == 0)
continue;
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)
{
struct selection this = compl[i];
for (++i; i < *num; i++)
{
compl[i - 1] = compl[i];
}
compl[*num - 1] = this;
skip = 1;
break; /* skip it, already added */
}
}
if (skip != 0)
continue;
if (*num == MAX_WORD_COMPLETIONS)
{
g_free (compl[0].text);
for (i = 1; i < *num; i++)
{
compl[i - 1] = compl[i];
}
(*num)--;
}
#ifdef HAVE_CHARSET
{
GString *recoded;
recoded = str_convert_to_display (temp->str);
if (recoded && recoded->len)
g_string_assign (temp, recoded->str);
g_string_free (recoded, TRUE);
}
#endif
compl[*num].text = g_strdup (temp->str);
compl[*num].len = temp->len;
(*num)++;
start += len;
/* note the maximal length needed for the completion dialog */
if (len > max_len)
max_len = len;
}
mc_search_free (srch);
g_string_free (temp, TRUE);
g_free (current_word);
return max_len;
}
/* --------------------------------------------------------------------------------------------- */
static void
edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width,
long *start_pos, long *end_pos, int *col1, int *col2)
{
long cursor;
int i, col;
cursor = edit->curs1;
col = edit_get_col (edit);
for (i = 0; i < size; i++)
{
if (data[i] != '\n')
edit_insert (edit, data[i]);
else
{ /* 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;
}
}
}
*col1 = col;
*col2 = col + width;
*start_pos = cursor;
*end_pos = edit->curs1;
edit_cursor_move (edit, cursor - edit->curs1);
}
/* --------------------------------------------------------------------------------------------- */
static int
edit_macro_comparator (gconstpointer * macro1, gconstpointer * macro2)
{
const macros_t *m1 = (const macros_t *) macro1;
const macros_t *m2 = (const macros_t *) macro2;
return m1->hotkey - m2->hotkey;
}
/* --------------------------------------------------------------------------------------------- */
static void
edit_macro_sort_by_hotkey (void)
{
if (macros_list != NULL && macros_list->len != 0)
g_array_sort (macros_list, (GCompareFunc) edit_macro_comparator);
}
/* --------------------------------------------------------------------------------------------- */
static gboolean
edit_get_macro (WEdit * edit, int hotkey, const macros_t ** macros, guint * indx)
{
const macros_t *array_start = &g_array_index (macros_list, struct macros_t, 0);
macros_t *result;
macros_t search_macro;
(void) edit;
search_macro.hotkey = hotkey;
result = bsearch (&search_macro, macros_list->data, macros_list->len,
sizeof (macros_t), (GCompareFunc) edit_macro_comparator);
if (result != NULL && result->macro != NULL)
{
*indx = (result - array_start);
*macros = result;
return TRUE;
}
*indx = 0;
return FALSE;
}
/* --------------------------------------------------------------------------------------------- */
/** returns FALSE on error */
static gboolean
edit_delete_macro (WEdit * edit, int hotkey)
{
mc_config_t *macros_config = NULL;
const char *section_name = "editor";
gchar *macros_fname;
guint indx;
char *skeyname;
const macros_t *macros = NULL;
/* clear array of actions for current hotkey */
while (edit_get_macro (edit, hotkey, &macros, &indx))
{
if (macros->macro != NULL)
g_array_free (macros->macro, TRUE);
macros = NULL;
g_array_remove_index (macros_list, indx);
edit_macro_sort_by_hotkey ();
}
macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
macros_config = mc_config_init (macros_fname);
g_free (macros_fname);
if (macros_config == NULL)
return FALSE;
skeyname = lookup_key_by_code (hotkey);
while (mc_config_del_key (macros_config, section_name, skeyname))
;
g_free (skeyname);
mc_config_save_file (macros_config, NULL);
mc_config_deinit (macros_config);
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
void
edit_help_cmd (WEdit * edit)
{
ev_help_t event_data = { NULL, "[Internal File Editor]" };
mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
edit->force |= REDRAW_COMPLETELY;
}
/* --------------------------------------------------------------------------------------------- */
void
edit_refresh_cmd (WEdit * edit)
{
#ifdef HAVE_SLANG
int color;
edit_get_syntax_color (edit, -1, &color);
tty_touch_screen ();
mc_refresh ();
#else
(void) edit;
clr_scr ();
repaint_screen ();
#endif /* !HAVE_SLANG */
tty_keypad (TRUE);
}
/* --------------------------------------------------------------------------------------------- */
void
menu_save_mode_cmd (void)
{
/* diaog sizes */
const int DLG_X = 38;
const int DLG_Y = 13;
char *str_result;
const char *str[] = {
N_("&Quick save"),
N_("&Safe save"),
N_("&Do backups with following extension:")
};
QuickWidget widgets[] = {
/* 0 */
QUICK_BUTTON (18, DLG_X, DLG_Y - 3, DLG_Y, N_("&Cancel"), B_CANCEL, NULL),
/* 1 */
QUICK_BUTTON (6, DLG_X, DLG_Y - 3, DLG_Y, N_("&OK"), B_ENTER, NULL),
/* 2 */
QUICK_CHECKBOX (4, DLG_X, 8, DLG_Y, N_("Check &POSIX new line"), &option_check_nl_at_eof),
/* 3 */
QUICK_INPUT (8, DLG_X, 6, DLG_Y, option_backup_ext, 9, 0, "edit-backup-ext", &str_result),
/* 4 */
QUICK_RADIO (4, DLG_X, 3, DLG_Y, 3, str, &option_save_mode),
QUICK_END
};
QuickDialog dialog = {
DLG_X, DLG_Y, -1, -1, N_("Edit Save Mode"),
"[Edit Save Mode]", widgets, NULL, FALSE
};
size_t i;
size_t maxlen = 0;
size_t w0, w1, b_len, w3;
assert (option_backup_ext != NULL);
/* OK/Cancel buttons */
w0 = str_term_width1 (_(widgets[0].u.button.text)) + 3;
w1 = str_term_width1 (_(widgets[1].u.button.text)) + 5; /* default button */
b_len = w0 + w1 + 3;
maxlen = max (b_len, (size_t) str_term_width1 (_(dialog.title)) + 2);
w3 = 0;
for (i = 0; i < 3; i++)
{
#ifdef ENABLE_NLS
str[i] = _(str[i]);
#endif
w3 = max (w3, (size_t) str_term_width1 (str[i]));
}
maxlen = max (maxlen, w3 + 4);
dialog.xlen = min ((size_t) COLS, maxlen + 8);
widgets[3].u.input.len = w3;
widgets[1].relative_x = (dialog.xlen - b_len) / 2;
widgets[0].relative_x = widgets[1].relative_x + w0 + 2;
for (i = 0; i < sizeof (widgets) / sizeof (widgets[0]); i++)
widgets[i].x_divisions = dialog.xlen;
if (quick_dialog (&dialog) != B_CANCEL)
{
g_free (option_backup_ext);
option_backup_ext = str_result;
}
}
/* --------------------------------------------------------------------------------------------- */
void
edit_set_filename (WEdit * edit, const char *name)
{
g_free (edit->filename);
if (name == NULL)
name = "";
edit->filename = tilde_expand (name);
if (edit->dir == NULL && !g_path_is_absolute (name))
edit->dir = vfs_get_current_dir ();
}
/* --------------------------------------------------------------------------------------------- */
/* 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;
if (!edit_check_newline (edit))
return 0;
exp = edit_get_save_file_as (edit);
edit_push_undo_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;
vfs_path_t *tmp_vpath;
tmp_vpath = vfs_path_from_str (exp);
different_filename = 1;
file = mc_open (tmp_vpath, O_RDONLY | O_BINARY);
vfs_path_free (tmp_vpath);
if (file != -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;
}
}
else
{
edit->stat1.st_mode |= S_IWUSR;
}
save_lock = lock_file (exp);
}
else
{
/* filenames equal, check if already locked */
if (!edit->locked && !edit->delete_file)
save_lock = lock_file (exp);
}
if (different_filename)
{
/*
* Allow user to write into saved (under another name) file
* even if original file had r/o user permissions.
*/
edit->stat1.st_mode |= S_IWRITE;
}
rv = edit_save_file (edit, exp);
switch (rv)
{
case 1:
/* Succesful, so unlock both files */
if (different_filename)
{
if (save_lock)
unlock_file (exp);
if (edit->locked)
edit->locked = edit_unlock_file (edit);
}
else
{
if (edit->locked || save_lock)
edit->locked = edit_unlock_file (edit);
}
edit_set_filename (edit, exp);
if (edit->lb != LB_ASIS)
edit_reload (edit, exp);
g_free (exp);
edit->modified = 0;
edit->delete_file = 0;
if (different_filename)
edit_load_syntax (edit, NULL, edit->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)
unlock_file (exp);
g_free (exp);
edit->force |= REDRAW_COMPLETELY;
return 0;
}
}
}
edit->force |= REDRAW_COMPLETELY;
return 0;
}
/* {{{ Macro stuff starts here */
/* --------------------------------------------------------------------------------------------- */
void
edit_delete_macro_cmd (WEdit * edit)
{
int hotkey;
hotkey = editcmd_dialog_raw_key_query (_("Delete macro"), _("Press macro hotkey:"), 1);
if (hotkey != 0 && !edit_delete_macro (edit, hotkey))
message (D_ERROR, _("Delete macro"), _("Macro not deleted"));
}
/* --------------------------------------------------------------------------------------------- */
/** returns FALSE on error */
gboolean
edit_execute_macro (WEdit * edit, int hotkey)
{
gboolean res = FALSE;
if (hotkey != 0)
{
const macros_t *macros;
guint indx;
if (edit_get_macro (edit, hotkey, &macros, &indx) &&
macros->macro != NULL && macros->macro->len != 0)
{
guint i;
edit->force |= REDRAW_PAGE;
for (i = 0; i < macros->macro->len; i++)
{
const macro_action_t *m_act;
m_act = &g_array_index (macros->macro, struct macro_action_t, i);
edit_execute_cmd (edit, m_act->action, m_act->ch);
res = TRUE;
}
}
}
edit_update_screen (edit);
return res;
}
/* --------------------------------------------------------------------------------------------- */
/** returns FALSE on error */
gboolean
edit_store_macro_cmd (WEdit * edit)
{
int i;
int hotkey;
GString *marcros_string;
mc_config_t *macros_config = NULL;
const char *section_name = "editor";
gchar *macros_fname;
GArray *macros; /* current macro */
int tmp_act;
gboolean have_macro = FALSE;
char *skeyname = NULL;
hotkey = editcmd_dialog_raw_key_query (_("Save macro"), _("Press the macro's new hotkey:"), 1);
if (hotkey == ESC_CHAR)
return FALSE;
tmp_act = keybind_lookup_keymap_command (editor_map, hotkey);
/* return FALSE if try assign macro into restricted hotkeys */
if (tmp_act == CK_MacroStartRecord
|| tmp_act == CK_MacroStopRecord || tmp_act == CK_MacroStartStopRecord)
return FALSE;
edit_delete_macro (edit, hotkey);
macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
macros_config = mc_config_init (macros_fname);
g_free (macros_fname);
if (macros_config == NULL)
return FALSE;
edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
marcros_string = g_string_sized_new (250);
macros = g_array_new (TRUE, FALSE, sizeof (macro_action_t));
skeyname = lookup_key_by_code (hotkey);
for (i = 0; i < macro_index; i++)
{
macro_action_t m_act;
const char *action_name;
action_name = keybind_lookup_actionname (record_macro_buf[i].action);
if (action_name == NULL)
break;
m_act.action = record_macro_buf[i].action;
m_act.ch = record_macro_buf[i].ch;
g_array_append_val (macros, m_act);
have_macro = TRUE;
g_string_append_printf (marcros_string, "%s:%i;", action_name,
(int) record_macro_buf[i].ch);
}
if (have_macro)
{
macros_t macro;
macro.hotkey = hotkey;
macro.macro = macros;
g_array_append_val (macros_list, macro);
mc_config_set_string (macros_config, section_name, skeyname, marcros_string->str);
}
else
mc_config_del_key (macros_config, section_name, skeyname);
g_free (skeyname);
edit_macro_sort_by_hotkey ();
g_string_free (marcros_string, TRUE);
mc_config_save_file (macros_config, NULL);
mc_config_deinit (macros_config);
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
gboolean
edit_repeat_macro_cmd (WEdit * edit)
{
int i, j;
char *f;
long count_repeat;
char *error = NULL;
f = input_dialog (_("Repeat last commands"), _("Repeat times:"), MC_HISTORY_EDIT_REPEAT, NULL);
if (f == NULL || *f == '\0')
{
g_free (f);
return FALSE;
}
count_repeat = strtol (f, &error, 0);
if (*error != '\0')
{
g_free (f);
return FALSE;
}
g_free (f);
edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
edit->force |= REDRAW_PAGE;
for (j = 0; j < count_repeat; j++)
for (i = 0; i < macro_index; i++)
edit_execute_cmd (edit, record_macro_buf[i].action, record_macro_buf[i].ch);
edit_update_screen (edit);
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
/** return FALSE on error */
gboolean
edit_load_macro_cmd (WEdit * edit)
{
mc_config_t *macros_config = NULL;
gchar **profile_keys, **keys;
gchar **values, **curr_values;
gsize len, values_len;
const char *section_name = "editor";
gchar *macros_fname;
int hotkey;
(void) edit;
macros_fname = mc_config_get_full_path (MC_MACRO_FILE);
macros_config = mc_config_init (macros_fname);
g_free (macros_fname);
if (macros_config == NULL)
return FALSE;
profile_keys = keys = mc_config_get_keys (macros_config, section_name, &len);
while (*profile_keys != NULL)
{
gboolean have_macro;
GArray *macros;
macros_t macro;
macros = g_array_new (TRUE, FALSE, sizeof (macro_action_t));
curr_values = values = mc_config_get_string_list (macros_config, section_name,
*profile_keys, &values_len);
hotkey = lookup_key (*profile_keys, NULL);
have_macro = FALSE;
while (*curr_values != NULL && *curr_values[0] != '\0')
{
char **macro_pair = NULL;
macro_pair = g_strsplit (*curr_values, ":", 2);
if (macro_pair != NULL)
{
macro_action_t m_act;
if (macro_pair[0] == NULL || macro_pair[0][0] == '\0')
m_act.action = 0;
else
{
m_act.action = keybind_lookup_action (macro_pair[0]);
g_free (macro_pair[0]);
macro_pair[0] = NULL;
}
if (macro_pair[1] == NULL || macro_pair[1][0] == '\0')
m_act.ch = -1;
else
{
m_act.ch = strtol (macro_pair[1], NULL, 0);
g_free (macro_pair[1]);
macro_pair[1] = NULL;
}
if (m_act.action != 0)
{
/* a shell command */
if ((m_act.action / CK_PipeBlock (0)) == 1)
{
m_act.action = CK_PipeBlock (0) + (m_act.ch > 0 ? m_act.ch : 0);
m_act.ch = -1;
}
g_array_append_val (macros, m_act);
have_macro = TRUE;
}
g_strfreev (macro_pair);
macro_pair = NULL;
}
curr_values++;
}
if (have_macro)
{
macro.hotkey = hotkey;
macro.macro = macros;
g_array_append_val (macros_list, macro);
}
profile_keys++;
g_strfreev (values);
}
g_strfreev (keys);
mc_config_deinit (macros_config);
edit_macro_sort_by_hotkey ();
return TRUE;
}
/* }}} Macro stuff end here */
/* --------------------------------------------------------------------------------------------- */
/** returns 1 on success */
int
edit_save_confirm_cmd (WEdit * edit)
{
gchar *f = NULL;
if (!edit_check_newline (edit))
return 0;
if (edit_confirm_save)
{
f = g_strdup_printf (_("Confirm save file: \"%s\""), edit->filename);
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 */
int
edit_new_cmd (WEdit * edit)
{
if (edit->modified)
{
if (edit_query_dialog2
(_("Warning"),
_
("Current text was modified without a file save.\nContinue 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 */
}
/* --------------------------------------------------------------------------------------------- */
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)
{
long start_bol, start_eol;
long end_bol, end_eol;
long col1, col2;
long diff1, diff2;
long end_mark_curs;
if (edit->end_mark_curs < 0)
end_mark_curs = edit->curs1;
else
end_mark_curs = edit->end_mark_curs;
if (edit->mark2 >= 0)
{
*start_mark = min (edit->mark1, edit->mark2);
*end_mark = max (edit->mark1, edit->mark2);
}
else
{
*start_mark = min (edit->mark1, end_mark_curs);
*end_mark = max (edit->mark1, end_mark_curs);
edit->column2 = edit->curs_col + edit->over_col;
}
if (edit->column_highlight
&& (((edit->mark1 > end_mark_curs) && (edit->column1 < edit->column2))
|| ((edit->mark1 < end_mark_curs) && (edit->column1 > edit->column2))))
{
start_bol = edit_bol (edit, *start_mark);
start_eol = edit_eol (edit, start_bol - 1) + 1;
end_bol = edit_bol (edit, *end_mark);
end_eol = edit_eol (edit, *end_mark);
col1 = min (edit->column1, edit->column2);
col2 = max (edit->column1, edit->column2);
diff1 =
edit_move_forward3 (edit, start_bol, col2, 0) - edit_move_forward3 (edit, start_bol,
col1, 0);
diff2 =
edit_move_forward3 (edit, end_bol, col2, 0) - edit_move_forward3 (edit, end_bol,
col1, 0);
*start_mark -= diff1;
*end_mark += diff2;
*start_mark = max (*start_mark, start_eol);
*end_mark = min (*end_mark, end_eol);
}
return 0;
}
else
{
*start_mark = *end_mark = 0;
edit->column2 = edit->column1 = 0;
return 1;
}
}
/* --------------------------------------------------------------------------------------------- */
void
edit_insert_over (WEdit * edit)
{
int i;
for (i = 0; i < edit->over_col; i++)
{
edit_insert (edit, ' ');
}
edit->over_col = 0;
}
/* --------------------------------------------------------------------------------------------- */
int
edit_insert_column_of_text_from_file (WEdit * edit, int file,
long *start_pos, long *end_pos, int *col1, int *col2)
{
long cursor;
int col;
int blocklen = -1, width = 0;
unsigned char *data;
cursor = edit->curs1;
col = edit_get_col (edit);
data = g_malloc0 (TEMP_BUF_LEN);
while ((blocklen = mc_read (file, (char *) data, TEMP_BUF_LEN)) > 0)
{
int i;
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]);
}
}
*col1 = col;
*col2 = col + width;
*start_pos = cursor;
*end_pos = edit->curs1;
edit_cursor_move (edit, cursor - edit->curs1);
g_free (data);
return blocklen;
}
/* --------------------------------------------------------------------------------------------- */
void
edit_block_copy_cmd (WEdit * edit)
{
long start_mark, end_mark, current = edit->curs1;
long col_delta = 0;
long mark1, mark2;
int c1, c2;
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 (edit->column_highlight)
{
col_delta = abs (edit->column2 - edit->column1);
edit_insert_column_of_text (edit, copy_buf, size, col_delta, &mark1, &mark2, &c1, &c2);
}
else
{
while (size--)
edit_insert_ahead (edit, copy_buf[size]);
}
g_free (copy_buf);
edit_scroll_screen_over_cursor (edit);
if (edit->column_highlight)
edit_set_markers (edit, edit->curs1, mark2, c1, c2);
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 current;
unsigned char *copy_buf = NULL;
long start_mark, end_mark;
long line;
if (eval_marks (edit, &start_mark, &end_mark))
return;
line = edit->curs_line;
if (edit->mark2 < 0)
edit_mark_cmd (edit, 0);
edit_push_markers (edit);
if (edit->column_highlight)
{
long mark1, mark2;
int size;
int b_width = 0;
int c1, c2;
int x, x2;
c1 = min (edit->column1, edit->column2);
c2 = max (edit->column1, edit->column2);
b_width = (c2 - c1);
edit_update_curs_col (edit);
x = edit->curs_col;
x2 = x + edit->over_col;
/* do nothing when cursor inside first line of selected area */
if ((edit_eol (edit, edit->curs1) == edit_eol (edit, start_mark)) && (x2 > c1 && x2 <= c2))
return;
if (edit->curs1 > start_mark && edit->curs1 < edit_eol (edit, end_mark))
{
if (x > c2)
x -= b_width;
else if (x > c1 && x <= c2)
x = c1;
}
/* save current selection into buffer */
copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
/* remove current selection */
edit_block_delete_cmd (edit);
edit->over_col = max (0, edit->over_col - b_width);
/* calculate the cursor pos after delete block */
current = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0);
edit_cursor_move (edit, current - edit->curs1);
edit_scroll_screen_over_cursor (edit);
/* add TWS if need before block insertion */
if (option_cursor_beyond_eol && edit->over_col > 0)
edit_insert_over (edit);
edit_insert_column_of_text (edit, copy_buf, size, b_width, &mark1, &mark2, &c1, &c2);
edit_set_markers (edit, mark1, mark2, c1, c2);
}
else
{
long count;
current = edit->curs1;
copy_buf = g_malloc0 (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;
}
/* --------------------------------------------------------------------------------------------- */
/** 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);
}
/* --------------------------------------------------------------------------------------------- */
/** 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;
char *disp1 = NULL;
char *disp2 = NULL;
long times_replaced = 0;
gboolean once_found = FALSE;
if (!edit)
{
g_free (saved1), saved1 = NULL;
g_free (saved2), saved2 = NULL;
return;
}
edit->force |= REDRAW_COMPLETELY;
if (again && !saved1 && !saved2)
again = 0;
if (again)
{
input1 = g_strdup (saved1 ? saved1 : "");
input2 = g_strdup (saved2 ? saved2 : "");
}
else
{
char *tmp_inp1, *tmp_inp2;
disp1 = edit_replace_cmd__conv_to_display (saved1 ? saved1 : (char *) "");
disp2 = edit_replace_cmd__conv_to_display (saved2 ? saved2 : (char *) "");
edit_push_undo_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;
}
tmp_inp1 = input1;
tmp_inp2 = input2;
input1 = edit_replace_cmd__conv_to_input (input1);
input2 = edit_replace_cmd__conv_to_input (input2);
g_free (tmp_inp1);
g_free (tmp_inp2);
g_free (saved1), saved1 = g_strdup (input1);
g_free (saved2), saved2 = g_strdup (input2);
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;
goto cleanup;
}
edit->search->search_type = edit_search_options.type;
edit->search->is_all_charsets = edit_search_options.all_codepages;
edit->search->is_case_sensitive = edit_search_options.case_sens;
edit->search->whole_words = edit_search_options.whole_words;
edit->search->search_fn = edit_search_cmd_callback;
}
if (edit->found_len && edit->search_start == edit->found_start + 1
&& edit_search_options.backwards)
edit->search_start--;
if (edit->found_len && edit->search_start == edit->found_start - 1
&& !edit_search_options.backwards)
edit->search_start++;
do
{
gsize len = 0;
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;
edit->search_start = edit->search->normal_offset;
/*returns negative on not found or error in pattern */
if ((edit->search_start >= 0) && (edit->search_start < edit->last_byte))
{
gsize i;
GString *tmp_str, *repl_str;
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);
if (edit->replace_mode == 0)
{
int l;
int prompt;
l = edit->curs_row - edit->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 */
disp1 = edit_replace_cmd__conv_to_display (saved1);
disp2 = edit_replace_cmd__conv_to_display (saved2);
prompt = editcmd_dialog_replace_prompt_show (edit, disp1, disp2, -1, -1);
g_free (disp1);
g_free (disp2);
if (prompt == B_REPLACE_ALL)
edit->replace_mode = 1;
else if (prompt == B_SKIP_REPLACE)
{
if (edit_search_options.backwards)
edit->search_start--;
else
edit->search_start++;
continue; /* loop */
}
else if (prompt == B_CANCEL)
{
edit->replace_mode = -1;
break; /* loop */
}
}
/* don't process string each time */
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);
g_string_free (repl_str, TRUE);
break;
}
/* delete then insert new */
for (i = 0; i < len; i++)
edit_delete (edit, 1);
for (i = 0; i < repl_str->len; i++)
edit_insert (edit, repl_str->str[i]);
edit->found_len = repl_str->len;
g_string_free (repl_str, TRUE);
times_replaced++;
/* so that we don't find the same string again */
if (edit_search_options.backwards)
edit->search_start--;
else
{
edit->search_start += edit->found_len;
if (edit->search_start >= edit->last_byte)
break;
}
edit_scroll_screen_over_cursor (edit);
}
else
{
/* 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 == 0)
query_dialog (_("Replace"), _("Search string not found"), D_NORMAL, 1, _("&OK"));
break;
}
}
while (edit->replace_mode >= 0);
edit_scroll_screen_over_cursor (edit);
edit->force |= REDRAW_COMPLETELY;
edit_render_keypress (edit);
if ((edit->replace_mode == 1) && (times_replaced != 0))
message (D_NORMAL, _("Replace"), _("%ld replacements made"), times_replaced);
cleanup:
g_free (input1);
g_free (input2);
}
/* --------------------------------------------------------------------------------------------- */
int
edit_search_cmd_callback (const void *user_data, gsize char_offset)
{
return edit_get_byte ((WEdit *) user_data, (long) char_offset);
}
/* --------------------------------------------------------------------------------------------- */
void
edit_search_cmd (WEdit * edit, gboolean again)
{
if (edit == NULL)
return;
if (!again)
edit_search (edit);
else if (edit->last_search_string != NULL)
edit_do_search (edit);
else
{
/* find last search string in history */
GList *history;
history = history_get (MC_HISTORY_SHARED_SEARCH);
if (history != NULL && history->data != NULL)
{
edit->last_search_string = (char *) history->data;
history->data = NULL;
history = g_list_first (history);
g_list_foreach (history, (GFunc) g_free, NULL);
g_list_free (history);
edit->search = mc_search_new (edit->last_search_string, -1);
if (edit->search == NULL)
{
/* if not... then ask for an expression */
g_free (edit->last_search_string);
edit->last_search_string = NULL;
edit_search (edit);
}
else
{
edit->search->search_type = edit_search_options.type;
edit->search->is_all_charsets = edit_search_options.all_codepages;
edit->search->is_case_sensitive = edit_search_options.case_sens;
edit->search->whole_words = edit_search_options.whole_words;
edit->search->search_fn = edit_search_cmd_callback;
edit_do_search (edit);
}
}
else
{
/* if not... then ask for an expression */
g_free (edit->last_search_string);
edit->last_search_string = NULL;
edit_search (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.
*/
gboolean
edit_ok_to_exit (WEdit * edit)
{
int act;
if (!edit->modified)
return TRUE;
if (!mc_global.widget.midnight_shutdown)
{
if (!edit_check_newline (edit))
return FALSE;
query_set_sel (2);
act = edit_query_dialog3 (_("Quit"), _("File was modified. Save with exit?"),
_("&Yes"), _("&No"), _("&Cancel quit"));
}
else
{
act =
edit_query_dialog2 (_("Quit"),
_("Midnight Commander is being shut down.\nSave modified file?"),
_("&Yes"), _("&No"));
/* Esc is No */
if (act == -1)
act = 1;
}
switch (act)
{
case 0: /* Yes */
edit_push_markers (edit);
edit_set_markers (edit, 0, 0, 0, 0);
if (!edit_save_cmd (edit) || mc_global.widget.midnight_shutdown)
return mc_global.widget.midnight_shutdown;
break;
case 1: /* No */
break;
case 2: /* Cancel quit */
case -1: /* Esc */
return FALSE;
}
return TRUE;
}
/* --------------------------------------------------------------------------------------------- */
/** save block, returns 1 on success */
int
edit_save_block (WEdit * edit, const char *filename, long start, long finish)
{
int len, file;
vfs_path_t *vpath;
vpath = vfs_path_from_str (filename);
file = mc_open (vpath, O_CREAT | O_WRONLY | O_TRUNC,
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY);
vfs_path_free (vpath);
if (file == -1)
return 0;
if (edit->column_highlight)
{
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_malloc0 (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;
}
/* --------------------------------------------------------------------------------------------- */
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;
}
/* try use external clipboard utility */
mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_to_ext_clip", NULL);
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;
}
/* try use external clipboard utility */
mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_to_ext_clip", NULL);
edit_block_delete_cmd (edit);
edit_mark_cmd (edit, 1);
return 0;
}
/* --------------------------------------------------------------------------------------------- */
void
edit_paste_from_X_buf_cmd (WEdit * edit)
{
gchar *tmp;
/* try use external clipboard utility */
mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_file_from_ext_clip", NULL);
tmp = mc_config_get_full_path (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->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 = mc_config_get_full_path (EDIT_CLIP_FILE);
exp =
input_expand_dialog (_("Save block"), _("Enter file name:"),
MC_HISTORY_EDIT_SAVE_BLOCK, tmp);
g_free (tmp);
edit_push_undo_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 TRUE on success */
gboolean
edit_insert_file_cmd (WEdit * edit)
{
gchar *tmp;
char *exp;
gboolean ret = FALSE;
tmp = mc_config_get_full_path (EDIT_CLIP_FILE);
exp = input_expand_dialog (_("Insert file"), _("Enter file name:"),
MC_HISTORY_EDIT_INSERT_FILE, tmp);
g_free (tmp);
edit_push_undo_action (edit, KEY_PRESS + edit->start_display);
if (exp != NULL && *exp != '\0')
{
ret = (edit_insert_file (edit, exp) >= 0);
if (!ret)
edit_error_dialog (_("Insert file"), get_sys_error (_("Cannot insert file")));
}
g_free (exp);
edit->force |= REDRAW_COMPLETELY;
return ret;
}
/* --------------------------------------------------------------------------------------------- */
/** 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, *tmp_edit_block_name, *tmp_edit_temp_name;
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 = mc_config_get_full_path (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_edit_block_name = mc_config_get_full_path (EDIT_BLOCK_FILE);
tmp_edit_temp_name = mc_config_get_full_path (EDIT_TEMP_FILE);
tmp =
g_strconcat (" sort ", exp, " ", tmp_edit_block_name,
" > ", tmp_edit_temp_name, (char *) NULL);
g_free (tmp_edit_temp_name);
g_free (tmp_edit_block_name);
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_strdup_printf (_("Sort returned non-zero: %s"), q);
edit_error_dialog (_("Sort"), tmp);
g_free (tmp);
}
return -1;
}
edit->force |= REDRAW_COMPLETELY;
if (edit_block_delete_cmd (edit))
return 1;
tmp = mc_config_get_full_path (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, *tmp_edit_temp_file;
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_edit_temp_file = mc_config_get_full_path (EDIT_TEMP_FILE);
tmp = g_strconcat (exp, " > ", tmp_edit_temp_file, (char *) NULL);
g_free (tmp_edit_temp_file);
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 = mc_config_get_full_path (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, int macro_number)
{
char *fname;
char *macros_fname = NULL;
fname = g_strdup_printf ("%s.%i.sh", MC_EXTMACRO_FILE, macro_number);
macros_fname = g_build_filename (mc_config_get_data_path (), fname, (char *) NULL);
user_menu (edit, macros_fname, 0);
g_free (fname);
g_free (macros_fname);
edit->force |= REDRAW_COMPLETELY;
}
/* --------------------------------------------------------------------------------------------- */
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;
QuickWidget quick_widgets[] = {
/* 0 */ QUICK_BUTTON (6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), B_CANCEL, NULL),
/* 1 */ QUICK_BUTTON (2, 10, 9, MAIL_DLG_HEIGHT, N_("&OK"), B_ENTER, NULL),
/* 2 */ QUICK_INPUT (3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, "mail-dlg-input", &tmail_cc),
/* 3 */ QUICK_LABEL (3, 50, 7, MAIL_DLG_HEIGHT, N_("Copies to")),
/* 4 */ QUICK_INPUT (3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, "mail-dlg-input-2",
&tmail_subject),
/* 5 */ QUICK_LABEL (3, 50, 5, MAIL_DLG_HEIGHT, N_("Subject")),
/* 6 */ QUICK_INPUT (3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, "mail-dlg-input-3", &tmail_to),
/* 7 */ QUICK_LABEL (3, 50, 3, MAIL_DLG_HEIGHT, N_("To")),
/* 8 */ QUICK_LABEL (3, 50, 2, MAIL_DLG_HEIGHT, N_("mail -s <subject> -c <cc> <to>")),
QUICK_END
};
QuickDialog Quick_input = {
50, MAIL_DLG_HEIGHT, -1, -1, N_("Mail"),
"[Input Line Keys]", quick_widgets, NULL, FALSE
};
quick_widgets[2].u.input.text = mail_cc_last ? mail_cc_last : "";
quick_widgets[4].u.input.text = mail_subject_last ? mail_subject_last : "";
quick_widgets[6].u.input.text = mail_to_last ? mail_to_last : "";
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 */
/*******************/
/* --------------------------------------------------------------------------------------------- */
/**
* Complete current word using regular expression search
* backwards beginning at the current cursor position.
*/
void
edit_complete_word_cmd (WEdit * edit)
{
gsize i, max_len, word_len = 0, num_compl = 0;
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 ("\\b%.*s[a-zA-Z_0-9]+", word_len, bufpos); */
match_expr =
g_strdup_printf
("(^|\\s+|\\b)%.*s[^\\s\\.=\\+\\[\\]\\(\\)\\,\\;\\:\\\"\\'\\-\\?\\/\\|\\\\\\{\\}\\*\\&\\^\\%%\\$#@\\!]+",
(int) word_len, bufpos);
/* collect the possible completions */
/* start search from begin to end of file */
max_len =
edit_collect_completions (edit, word_start, 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 !!! */
/*tty_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 ())
edit_set_codeset (edit);
edit->force = REDRAW_COMPLETELY;
edit_refresh_cmd (edit);
#else
(void) 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_begin_end_macro_cmd (WEdit * edit)
{
/* edit is a pointer to the widget */
if (edit != NULL)
{
unsigned long command = macro_index < 0 ? CK_MacroStartRecord : CK_MacroStopRecord;
edit_execute_key_command (edit, command, -1);
}
}
/* --------------------------------------------------------------------------------------------- */
void
edit_begin_end_repeat_cmd (WEdit * edit)
{
/* edit is a pointer to the widget */
if (edit != NULL)
{
unsigned long command = macro_index < 0 ? CK_RepeatStartRecord : CK_RepeatStopRecord;
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)
{
gsize word_len = 0, max_len = 0;
int num_def = 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", (int) 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 = mc_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);
}
/* --------------------------------------------------------------------------------------------- */
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