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/*
User interface for charset selection.
Copyright (C) 2001 Walery Studennikov <despair@sama.ru>
Copyright (C) 2011-2025
Free Software Foundation, Inc.
Written by:
Walery Studennikov <despair@sama.ru>, 2001
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 <https://www.gnu.org/licenses/>.
*/
/** \file selcodepage.c
* \brief Source: user %interface for charset %selection
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include "lib/global.h"
#include "lib/widget.h"
#include "lib/charsets.h"
#include "setup.h"
#include "selcodepage.h"
/*** global variables ****************************************************************************/
/*** file scope macro definitions ****************************************************************/
#define ENTRY_LEN 30
/*** file scope type declarations ****************************************************************/
/*** forward declarations (file scope functions) *************************************************/
/*** file scope variables ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
static unsigned char
get_hotkey (int n)
{
return (n <= 9) ? '0' + n : 'a' + n - 10;
}
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/* Return value:
* -2 (SELECT_CHARSET_CANCEL) : Cancel
* -1 (SELECT_CHARSET_NO_TRANSLATE) : "No translation"
* >= 0 : charset number
*/
int
select_charset (const int center_y, const int center_x, const int current_charset)
{
Listbox *listbox;
listbox = listbox_window_centered_new (center_y, center_x, codepages->len + 1, ENTRY_LEN + 2,
_ ("Choose codepage"), "[Codepages Translation]");
LISTBOX_APPEND_TEXT (listbox, '-', _ ("- < No translation >"), NULL, FALSE);
for (guint i = 0; i < codepages->len; i++)
{
char buffer[BUF_SMALL];
const char *name = get_codepage_name (i);
g_snprintf (buffer, sizeof (buffer), "%c %s", get_hotkey (i), name);
LISTBOX_APPEND_TEXT (listbox, get_hotkey (i), buffer, NULL, FALSE);
}
listbox_set_current (listbox->list, current_charset + 1);
const int listbox_result = listbox_run (listbox);
return listbox_result < 0 ? SELECT_CHARSET_CANCEL : listbox_result - 1;
}
/* --------------------------------------------------------------------------------------------- */
/** Set codepage */
gboolean
do_set_codepage (const int codepage)
{
char *errmsg;
gboolean ret;
mc_global.source_codepage = codepage;
errmsg =
init_translation_table (codepage == SELECT_CHARSET_NO_TRANSLATE ? mc_global.display_codepage
: mc_global.source_codepage,
mc_global.display_codepage);
ret = errmsg == NULL;
if (!ret)
{
message (D_ERROR, MSG_ERROR, "%s", errmsg);
g_free (errmsg);
}
return ret;
}
/* --------------------------------------------------------------------------------------------- */
/** Show menu selecting codepage */
gboolean
do_select_codepage (void)
{
const int r = select_charset (-1, -1, default_source_codepage);
if (r == SELECT_CHARSET_CANCEL)
return FALSE;
default_source_codepage = r;
return do_set_codepage (default_source_codepage);
}
/* --------------------------------------------------------------------------------------------- */
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