make multiply/divide key (on OLPC XO keyboard) work

src/dirwalk.c

@@ -118,6 +118,9 @@ void loadfont_callback(SDL_Surface * screen, const char *restrict const dir,
 	  user_font_styles[num_font_styles]->score += charset_works(font, gettext("017"));	// digits
 	  user_font_styles[num_font_styles]->score += charset_works(font, gettext("O0"));	// distinct circle-like characters
 	  user_font_styles[num_font_styles]->score += charset_works(font, gettext("1Il|"));	// distinct line-like characters
+#ifdef OLPC_XO
+	  user_font_styles[num_font_styles]->score += charset_works(font, "\xc3\x97\xc3\xb7");	// multiply and divide
+#endif
 	  num_font_styles++;
 //printf("Accepted: %s, %s, %s, score(%d)\n", files[i].str, family, style, user_font_styles[num_font_styles]->score);
 	  files[i].str = NULL;	// so free() won't crash -- we stole the memory

src/fonts.c

@@ -168,6 +168,7 @@ TTF_Font *load_locale_font(TTF_Font * fallback, int size)
 	putenv((char *) "LANG=C");
 	putenv((char *) "OUTPUT_CHARSET=C");
 	setlocale(LC_ALL, "C");
+	ctype_utf8();
 
 	set_current_language();
       }

src/i18n.c

@@ -274,6 +274,18 @@ void set_langstr(const char *s)
   langstr = strdup(s);
 }
 
+// This is to ensure that iswprint() works beyond ASCII,
+// even if the locale wouldn't normally support that.
+void ctype_utf8(void)
+{
+#ifndef _WIN32
+  char *names[] = {"en_US.UTF8","en_US.UTF-8","UTF8","UTF-8",};
+  int i = sizeof(names)/sizeof(names[0]);
+  while(i-- && !iswprint((wchar_t)0xf7) && !setlocale(LC_CTYPE,names[i]))
+    ;
+#endif
+}
+
 /* Determine the current language/locale, and set the language string: */
 
 void set_current_language(void)
@@ -572,6 +584,7 @@ void setup_language(const char *const prg)
     }
 
     setlocale(LC_ALL, "");
+    ctype_utf8();
     free(langstr);
   }
 
@@ -590,4 +603,5 @@ void do_locale_option(const char *const arg)
   // of the environment. If it were local, the environment would
   // get corrupted.
   setlocale(LC_ALL, "");	/* use arg ? */
+  ctype_utf8();
 }

src/i18n.h

@@ -122,6 +122,7 @@ void show_lang_usage(FILE * f, const char *const prg);
 void show_locale_usage(FILE * f, const char *const prg);
 void setup_language(const char *const prg);
 void do_locale_option(const char *const arg);
+void ctype_utf8(void);
 
 
 #endif

src/tuxpaint.c

@@ -1366,21 +1366,20 @@ static void eat_sdl_events(void)
 
 int main(int argc, char *argv[])
 {
-
-
   CLOCK_TYPE time1;
   CLOCK_TYPE time2;
   SDL_Rect dest;
   SDL_Rect src;
 
+  CLOCK_ASM(time1);
+
 #ifdef FORKED_FONTS
   run_font_scanner(screen);
 #endif
 
   /* Set up locale support */
   setlocale(LC_ALL, "");
-
-  CLOCK_ASM(time1);
+  ctype_utf8();
 
   /* Set up! */
   setup(argc, argv);