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language.c

/**
 * $Id: language.c,v 1.27 2004/11/08 15:46:57 ton Exp $
 *
 * ***** BEGIN GPL/BL DUAL 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. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * 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.
 *
 * The Original Code is written by Rob Haarsma (phase)
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */


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

#include "DNA_listBase.h"
#include "DNA_userdef_types.h"

#include "BKE_global.h"       /* G */
#include "BKE_utildefines.h"

#include "BLI_blenlib.h"
#include "BLI_linklist.h"     /* linknode */

#include "BIF_language.h"
#include "BIF_space.h"        /* allqueue() */
#include "BIF_toolbox.h"      /* error() */
#include "datatoc.h"          /* std font */

#include "MEM_guardedalloc.h" /* vprintf, etc ??? */

#include "mydevice.h"         /* REDRAWALL */

#include "BMF_Api.h"

#ifdef INTERNATIONAL
#include "FTF_Api.h"

typedef struct _LANGMenuEntry LANGMenuEntry;
struct _LANGMenuEntry {
      LANGMenuEntry *next;

      char *line;
      char *language;
      char *code;
      int id;
};

static LANGMenuEntry *langmenu= 0;
static int tot_lang = 0;
#endif // INTERNATIONAL


int BIF_DrawString(BMF_Font* font, char *str, int translate)
{

#ifdef INTERNATIONAL
      if(G.ui_international == TRUE)
            if(translate)
                  return FTF_DrawString(str, FTF_USE_GETTEXT | FTF_INPUT_UTF8);
            else
                  return FTF_DrawString(str, FTF_NO_TRANSCONV | FTF_INPUT_UTF8);
      else
            return BMF_DrawString(font, str);
#else
      return BMF_DrawString(font, str);
#endif

}


float BIF_GetStringWidth(BMF_Font* font, char *str, int translate)
{
      float rt;

#ifdef INTERNATIONAL
      if(G.ui_international == TRUE)
            if(U.transopts & USER_TR_BUTTONS)
                  rt= FTF_GetStringWidth(str, FTF_USE_GETTEXT | FTF_INPUT_UTF8);
            else
                  rt= FTF_GetStringWidth(str, FTF_NO_TRANSCONV | FTF_INPUT_UTF8);
      else
            rt= BMF_GetStringWidth(font, str);
#else
      rt= BMF_GetStringWidth(font, str);
#endif

      return rt;
}


#ifdef INTERNATIONAL

char *fontsize_pup(void)
{
      static char string[1024];
      char formatstring[1024];

      strcpy(formatstring, "Choose Font Size: %%t|%s %%x%d|%s %%x%d|%s %%x%d|%s %%x%d|%s %%x%d|%s %%x%d|%s %%x%d|%s %%x%d|%s %%x%d");

      sprintf(string, formatstring,
                  "Font Size:   8",       8,
                  "Font Size:   9",       9,
                  "Font Size:  10",       10,
                  "Font Size:  11",       11,
                  "Font Size:  12",       12,
                  "Font Size:  13",       13,
                  "Font Size:  14",       14,
                  "Font Size:  15",       15,
                  "Font Size:  16",       16
             );

      return (string);
}


char *language_pup(void)
{
      LANGMenuEntry *lme = langmenu;
      static char string[1024];
      static char tmp[1024];

      if(tot_lang == 0)
            sprintf(string, "Choose Language: %%t|Language:  English %%x0");
      else {
            sprintf(string, "Choose Language: %%t");
            while(lme) {
                  sprintf(tmp, "|Language:  %s %%x%d", lme->language, lme->id);
                  strcat(string, tmp);
                  lme= lme->next;
            }
      }

      return string;
}


LANGMenuEntry *find_language(short langid)
{
      LANGMenuEntry *lme = langmenu;

      while(lme) {
            if(lme->id == langid)
                  return lme;

            lme=lme->next;
      }
      return NULL;
}


void lang_setlanguage(void) 
{
      LANGMenuEntry *lme;

      lme = find_language(U.language);
      if(lme) FTF_SetLanguage(lme->code);
      else FTF_SetLanguage("en_US");
}

/* called from fileselector */
void set_interface_font(char *str) 
{

      /* this test needed because fileselect callback can happen after disable AA fonts */
      if(U.transopts & USER_DOTRANSLATE) {
            if(FTF_SetFont(str, 0, U.fontsize)) {
                  lang_setlanguage();
                  
                  if(strlen(str) < FILE_MAXDIR) strcpy(U.fontname, str);
                  G.ui_international = TRUE;
            } 
            else {
                  U.fontname[0]= 0;
                  G.ui_international = TRUE;    // this case will switch to standard font
            }
            allqueue(REDRAWALL, 0);
      }
}


void start_interface_font(void) 
{
      int result = 0;

      if(U.fontsize && U.fontname[0] ) { // we have saved user settings + fontpath
            
            // try loading font from U.fontname = full path to font in usersettings
            result = FTF_SetFont(U.fontname, 0, U.fontsize);
      }
      else if(U.fontsize) {   // user settings, default
            result = FTF_SetFont(datatoc_bfont_ttf, datatoc_bfont_ttf_size, U.fontsize);
      }
      
      if(result==0) {         // use default
            U.language= 0;
            U.fontsize= 11;
            U.encoding= 0;
            U.fontname[0]= 0;
            result = FTF_SetFont(datatoc_bfont_ttf, datatoc_bfont_ttf_size, U.fontsize);
      }

      if(result) {
            lang_setlanguage();

            G.ui_international = TRUE;
      } 
      else {
            printf("no font found for international support\n");
            G.ui_international = FALSE;
            U.transopts &= ~USER_DOTRANSLATE;
            U.fontsize = 0;
      }

      allqueue(REDRAWALL, 0);
}


char *first_dpointchar(char *string) 
{
      char *dpointchar;
      
      dpointchar= strchr(string, ':');    

      return dpointchar;
}


void splitlangline(char *line, LANGMenuEntry *lme)
{
      char *dpointchar= first_dpointchar(line);

      if (dpointchar) {
            lme->code= BLI_strdup(dpointchar+1);
            *(dpointchar)=0;
            lme->language= BLI_strdup(line);
      } else {
            error("Invalid language file");
      }
}


void puplang_insert_entry(char *line)
{
      LANGMenuEntry *lme, *prev;
      int sorted = 0;

      prev= NULL;
      lme= langmenu;

      for (; lme; prev= lme, lme= lme->next) {
            if (lme->line) {
                  if (BLI_streq(line, lme->line)) {
                        return;
                  } else if (sorted && strcmp(line, lme->line)<0) {
                        break;
                  }
            }
      }
      
      lme= MEM_mallocN(sizeof(*lme), "lme");
      lme->line = BLI_strdup(line);
      splitlangline(line, lme);
      lme->id = tot_lang;
      tot_lang++;

      if (prev) {
            lme->next= prev->next;
            prev->next= lme;
      } else {
            lme->next= langmenu;
            langmenu= lme;
      }
}


int read_languagefile(void) 
{
      char name[FILE_MAXDIR+FILE_MAXFILE];
      LinkNode *l, *lines;
#ifdef WIN32
      int result;
#endif
      
      /* .Blanguages, http://www.blender3d.org/cms/Installation_Policy.352.0.html*/
#if defined (__APPLE__) || (WIN32)
      BLI_make_file_string("/", name, BLI_gethome(), ".Blanguages");
#else
      BLI_make_file_string("/", name, BLI_gethome(), ".blender/.Blanguages");
#endif

      lines= BLI_read_file_as_lines(name);

      if(lines == NULL) {
            /* If not found in home, try current dir 
             * (Resources folder of app bundle on OS X) */
#if defined (__APPLE__)
            char *bundlePath = BLI_getbundle();
            strcpy(name, bundlePath);
            strcat(name, "/Contents/Resources/.Blanguages");
#else
            /* Check the CWD. Takes care of the case where users
             * unpack blender tarball; cd blender-dir; ./blender */
            strcpy(name, ".blender/.Blanguages");
#endif
            lines= BLI_read_file_as_lines(name);

            if(lines == NULL) {
                  /* If not found in .blender, try current dir */
                  strcpy(name, ".Blanguages");
                  lines= BLI_read_file_as_lines(name);
                  if(lines == NULL) {
                              error("File \".Blanguages\" not found");
                              return 0;
                  }
            }
      }

      for (l= lines; l; l= l->next) {
            char *line= l->link;
                  
            if (!BLI_streq(line, "")) {
                  puplang_insert_entry(line);
            }
      }

      BLI_free_file_lines(lines);

      return 1;
}


void free_languagemenu(void)
{
      LANGMenuEntry *lme= langmenu;

      while (lme) {
            LANGMenuEntry *n= lme->next;

            if (lme->line) MEM_freeN(lme->line);
            if (lme->language) MEM_freeN(lme->language);
            if (lme->code) MEM_freeN(lme->code);
            MEM_freeN(lme);

            lme= n;
      }
}

#endif /* INTERNATIONAL */

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