blf_translation.c

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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.
 *
 * The Original Code is Copyright (C) 2011 Blender Foundation.
 * All rights reserved.
 *
 * Contributor(s): Blender Foundation,
 *                 Sergey Sharybin
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#include <stdlib.h>
#include <string.h>

#ifdef WITH_INTERNATIONAL
#include <libintl.h>
#include <locale.h>

#define GETTEXT_CONTEXT_GLUE "\004"

/* needed for windows version of gettext */
#ifndef LC_MESSAGES
#   define LC_MESSAGES 1729
#endif

#endif

#include "MEM_guardedalloc.h"

#include "BLI_utildefines.h"
#include "BLI_path_util.h"
#include "BLI_string.h"
#include "BLI_path_util.h"
#include "BLI_fileops.h"

#include "BLF_translation.h"

#include "DNA_userdef_types.h" /* For user settings. */

#ifdef WITH_INTERNATIONAL
static const char unifont_filename[]="droidsans.ttf.gz";
static unsigned char *unifont_ttf= NULL;
static int unifont_size= 0;

unsigned char *BLF_get_unifont(int *unifont_size_r)
{
    if(unifont_ttf==NULL) {
        char *fontpath = BLI_get_folder(BLENDER_DATAFILES, "fonts");
        if (fontpath) {
            char unifont_path[1024];

            BLI_snprintf(unifont_path, sizeof(unifont_path), "%s/%s", fontpath, unifont_filename);

            unifont_ttf= (unsigned char*)BLI_file_ungzip_to_mem(unifont_path, &unifont_size);
        }
        else {
            printf("%s: 'fonts' data path not found for international font, continuing\n", __func__);
        }
    }

    *unifont_size_r= unifont_size;

    return unifont_ttf;
}

void BLF_free_unifont(void)
{
    if(unifont_ttf)
        MEM_freeN(unifont_ttf);
}

#endif

const char* BLF_gettext(const char *msgid)
{
#ifdef WITH_INTERNATIONAL
    if( msgid[0] )
        return gettext( msgid );
    return "";
#else
    return msgid;
#endif
}

const char *BLF_pgettext(const char *context, const char *message)
{
#ifdef WITH_INTERNATIONAL
    char static_msg_ctxt_id[1024];
    char *dynamic_msg_ctxt_id = NULL;
    char *msg_ctxt_id;
    const char *translation;

    size_t overall_length = strlen(context) + strlen(message) + sizeof(GETTEXT_CONTEXT_GLUE) + 1;

    if (overall_length > sizeof(static_msg_ctxt_id)) {
        dynamic_msg_ctxt_id = malloc(overall_length);
        msg_ctxt_id = dynamic_msg_ctxt_id;
    }
    else {
        msg_ctxt_id = static_msg_ctxt_id;
    }

    sprintf(msg_ctxt_id, "%s%s%s", context, GETTEXT_CONTEXT_GLUE, message);

    translation = (char*)dcgettext(TEXT_DOMAIN_NAME, msg_ctxt_id, LC_MESSAGES);

    if (dynamic_msg_ctxt_id)
        free(dynamic_msg_ctxt_id);

    if (translation == msg_ctxt_id)
        translation = message;

    return translation;
#else
    (void)context;
    return message;
#endif
}

int BLF_translate_iface(void)
{
#ifdef WITH_INTERNATIONAL
    return (U.transopts & USER_DOTRANSLATE) && (U.transopts & USER_TR_IFACE);
#else
    return 0;
#endif
}

int BLF_translate_tooltips(void)
{
#ifdef WITH_INTERNATIONAL
    return (U.transopts & USER_DOTRANSLATE) && (U.transopts & USER_TR_TOOLTIPS);
#else
    return 0;
#endif
}

const char *BLF_translate_do_iface(const char *msgid)
{
#ifdef WITH_INTERNATIONAL
    if(BLF_translate_iface())
        return BLF_gettext(msgid);
    else
        return msgid;
#else
    return msgid;
#endif
}

const char *BLF_translate_do_tooltip(const char *msgid)
{
#ifdef WITH_INTERNATIONAL
    if(BLF_translate_tooltips())
        return BLF_gettext(msgid);
    else
        return msgid;
#else
    return msgid;
#endif
}