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Diffstat (limited to 'src/selcodepage.c')
| -rw-r--r-- | src/selcodepage.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/selcodepage.c b/src/selcodepage.c new file mode 100644 index 0000000..76bc7ef --- /dev/null +++ b/src/selcodepage.c @@ -0,0 +1,176 @@ +/* + User interface for charset selection. + + Copyright (C) 2001 Walery Studennikov <despair@sama.ru> + + Copyright (C) 2011-2022 + 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 <http://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 ****************************************************************/ + +/*** 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_OTHER_8BIT) : "Other 8 bit" if seldisplay == TRUE + * -1 (SELECT_CHARSET_NO_TRANSLATE) : "No translation" if seldisplay == FALSE + * >= 0 : charset number + */ +int +select_charset (int center_y, int center_x, int current_charset, gboolean seldisplay) +{ + size_t i; + int listbox_result; + char buffer[255]; + + /* Create listbox */ + Listbox *listbox = create_listbox_window_centered (center_y, center_x, + codepages->len + 1, ENTRY_LEN + 2, + _("Choose codepage"), + "[Codepages Translation]"); + + if (!seldisplay) + LISTBOX_APPEND_TEXT (listbox, '-', _("- < No translation >"), NULL, FALSE); + + /* insert all the items found */ + for (i = 0; i < codepages->len; i++) + { + const char *name = ((codepage_desc *) g_ptr_array_index (codepages, i))->name; + g_snprintf (buffer, sizeof (buffer), "%c %s", get_hotkey (i), name); + LISTBOX_APPEND_TEXT (listbox, get_hotkey (i), buffer, NULL, FALSE); + } + if (seldisplay) + { + unsigned char hotkey = get_hotkey (codepages->len); + g_snprintf (buffer, sizeof (buffer), "%c %s", hotkey, _("Other 8 bit")); + LISTBOX_APPEND_TEXT (listbox, hotkey, buffer, NULL, FALSE); + } + + /* Select the default entry */ + i = (seldisplay) + ? ((current_charset < 0) ? codepages->len : (size_t) current_charset) + : ((size_t) current_charset + 1); + + listbox_select_entry (listbox->list, i); + + listbox_result = run_listbox (listbox); + + if (listbox_result < 0) + { + /* Cancel dialog */ + return SELECT_CHARSET_CANCEL; + } + else + { + /* some charset has been selected */ + if (seldisplay) + { + /* charset list is finished with "Other 8 bit" item */ + return (listbox_result >= (int) codepages->len) + ? SELECT_CHARSET_OTHER_8BIT : listbox_result; + } + else + { + /* charset list is began with "- < No translation >" item */ + return (listbox_result - 1); + } + } +} + + +/* --------------------------------------------------------------------------------------------- */ +/** Set codepage */ +gboolean +do_set_codepage (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) +{ + int r; + + r = select_charset (-1, -1, default_source_codepage, FALSE); + if (r == SELECT_CHARSET_CANCEL) + return FALSE; + + default_source_codepage = r; + return do_set_codepage (default_source_codepage); +} + +/* --------------------------------------------------------------------------------------------- */ |