mc/src/selcodepage.c

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/* User interface for charset selection.
Copyright (C) 2001 Walery Studennikov <despair@sama.ru>
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <config.h>
#ifdef HAVE_CHARSET
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#include <stdio.h>
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#include <stdlib.h>
#include "global.h"
#include "dialog.h"
#include "widget.h"
#include "wtools.h"
#include "charsets.h"
#include "selcodepage.h"
#include "main.h"
#define ENTRY_LEN 35
/* Numbers of (file I/O) and (input/display) codepages. -1 if not selected */
int source_codepage = -1;
int display_codepage = -1;
static unsigned char
get_hotkey (int n)
{
return (n <= 9) ? '0' + n : 'a' + n - 10;
}
int
select_charset (int current_charset, int seldisplay)
{
int i, menu_lines = n_codepages + 1;
char buffer[255];
/* Create listbox */
Listbox *listbox = create_listbox_window (ENTRY_LEN + 2, menu_lines,
_(" Choose input codepage "),
"[Codepages Translation]");
if (!seldisplay)
LISTBOX_APPEND_TEXT (listbox, '-', _("- < No translation >"),
NULL);
/* insert all the items found */
for (i = 0; i < n_codepages; i++) {
char *name = codepages[i].name;
g_snprintf (buffer, sizeof (buffer), "%c %s", get_hotkey (i),
name);
LISTBOX_APPEND_TEXT (listbox, get_hotkey (i), buffer, NULL);
}
if (seldisplay) {
g_snprintf (buffer, sizeof (buffer), "%c %s",
get_hotkey (n_codepages), _("Other 8 bit"));
LISTBOX_APPEND_TEXT (listbox, get_hotkey (n_codepages), buffer,
NULL);
}
/* Select the default entry */
i = (seldisplay)
? ((current_charset < 0) ? n_codepages : current_charset)
: (current_charset + 1);
listbox_select_by_number (listbox->list, i);
i = run_listbox (listbox);
return (seldisplay) ? ((i >= n_codepages) ? -1 : i)
: (i - 1);
}
/* Helper functions for codepages support */
int
do_select_codepage (void)
{
const char *errmsg;
if (display_codepage > 0) {
source_codepage = select_charset (source_codepage, 0);
errmsg =
init_translation_table (source_codepage, display_codepage);
if (errmsg) {
message (1, MSG_ERROR, "%s", errmsg);
return -1;
}
} else {
message (1, _("Warning"),
_("To use this feature select your codepage in\n"
"Setup / Display Bits dialog!\n"
"Do not forget to save options."));
return -1;
}
return 0;
}
#endif /* HAVE_CHARSET */