Syncing with the android version...

docs/html/OPTIONS.html

@@ -105,8 +105,26 @@ New Breed Software</p>
     Be sure to save it as Plain Text, and make sure the filename
     doesn't have ".txt" at the end...</p>
   </blockquote>
-</blockquote>
 
+
+<h2>Android Users</h2>
+  <blockquote>
+    <p>The file you should create is called 
+    "<code><b>tuxpaint.cfg</b></code>" and it should be
+       placed in your external sdcard folder, under the sub-folder:
+       <code>/mnt/sdcard/Android/data/org.tuxpaint/files/tuxpaint.cfg</code>
+
+    <h3>System-Wide Configuration File
+    <blockquote>
+      <p>Before this file is read, an internal configuration file is read.
+         (By default, this configuration has no settings enabled.) It is
+         located at:</p>
+
+      <blockquote>
+        <code>/data/data/org.tuxpaint/files/tuxpaint.cfg/code>
+      </blockquote>
+    </blockquote>
+  </blockquote>
 <hr size=2 noshade>
 
 <h1>Available Options</h1>

src/fonts.c

@@ -976,6 +976,8 @@ static void loadfonts(SDL_Surface * screen, SDL_Texture * texture, SDL_Renderer
     loadfonts(screen, texture, renderer, macosx.fontsPath);
     loadfonts(screen, texture, renderer, "/usr/share/fonts");
     loadfonts(screen, texture, renderer, "/usr/X11R6/lib/X11/fonts");
+#elif defined(__ANDROID__)
+    loadfonts(screen, texture, renderer, "/system/fonts");
 #elif defined(__sun__)
     loadfonts(screen, texture, renderer, "/usr/openwin/lib/X11/fonts");
     loadfonts(screen, texture, renderer, "/usr/share/fonts");

src/i18n.c

@@ -47,6 +47,29 @@
 #include <wctype.h>
 #endif
 
+#ifdef __ANDROID__
+#include "SDL2/SDL.h"
+#include "jni.h"
+// since setlocale on the Android is not supported well,
+// setlocale cannot get current default locale of the device.
+// Here, JNI and Java Locale class can get the default locale
+// if user has not set locale and lang in the config file yet.
+static char * android_locale ()
+{
+	static char android_locale_buf[32];
+	JNIEnv *mEnv = Android_JNI_GetEnv();
+    jclass mLocaleClass = (*mEnv)->FindClass(mEnv, "java/util/Locale");
+    jmethodID mGetDefaultMethod = (*mEnv)->GetStaticMethodID(mEnv, mLocaleClass, "getDefault", "()Ljava/util/Locale;");
+    jobject mLocaleObject = (*mEnv)->CallStaticObjectMethod(mEnv, mLocaleClass, mGetDefaultMethod);
+    jmethodID mToStringMethod = (*mEnv)->GetMethodID(mEnv, mLocaleClass, "toString", "()Ljava/lang/String;");
+    jstring mLocaleString = (*mEnv)->CallObjectMethod(mEnv, mLocaleObject, mToStringMethod);
+    const char* locale = (*mEnv)->GetStringUTFChars(mEnv, mLocaleString, 0);
+    strcpy(android_locale_buf, locale);
+    (*mEnv)->ReleaseStringUTFChars(mEnv, mLocaleString, locale);
+    printf("android locale %s\n", android_locale_buf);
+    return android_locale_buf;
+}
+#endif
 
 /* Globals: */
 
@@ -974,7 +997,7 @@ printf ("Locale AFTER is: %s\n", setlocale(LC_ALL,NULL));//EP
   loc = setlocale(LC_MESSAGES, NULL);
 #endif
 
-  if (strcmp(oldloc, "") != 0 && strcmp(loc, oldloc) != 0) {
+  if (oldloc && loc && strcmp(oldloc, "") != 0 && strcmp(loc, oldloc) != 0) {
     /* System doesn't recognize that locale!  Hack, per Albert C., is to set LC_ALL to a valid UTF-8 locale, then set LANGUAGE to the locale we want to force -bjk 2010.10.05 */
 
     /* Albert's comments from December 2009:
@@ -1103,14 +1126,21 @@ int setup_i18n(const char *restrict lang, const char *restrict locale)
       exit(0);
     }
   }
-  else
-    locale = "";
 
   if(lang)
     locale = language_to_locale(lang);
+
 #ifdef __APPLE__
   patch_i18n(locale);   //EP
 #endif
+
+#ifdef __ANDROID__
+  if(locale == NULL)
+	  locale = android_locale();
+#endif
+
+  if(locale == NULL)
+	  locale = "";
   return set_current_language(locale);
 }
 

src/im.c

@@ -41,9 +41,12 @@
 #include <stdlib.h>
 #include <string.h>
 #include <wchar.h>
-
+#include <assert.h>  
 #include "im.h"
 
+#ifdef __ANDROID__
+#include "android_mbstowcs.h"
+#endif
 
 
 /* ***************************************************************************
@@ -673,9 +676,9 @@ static int im_event_c(IM_DATA* im, SDL_Event event)
 
   /* Handle key stroke */
   switch(ks.sym) {
-    case SDLK_BACKSPACE: im->s[0] = L'\b'; break;
+    case SDLK_BACKSPACE: im->s[0] = L'\b'; im->s[1] = L'\0'; break;
-    case SDLK_TAB:       im->s[0] = L'\t'; break;
+    case SDLK_TAB:       im->s[0] = L'\t'; im->s[1] = L'\0'; break;
-    case SDLK_RETURN:    im->s[0] = L'\r'; break;
+    case SDLK_RETURN:    im->s[0] = L'\r'; im->s[1] = L'\0'; break;
   default:             mbstowcs(im->s , event.text.text, 16);
 	  //default:             wcsncpy(im->s , event.text.text, 16);
   }
@@ -960,8 +963,7 @@ static int im_event_zh_tw(IM_DATA* im, SDL_Event event)
       /* ZH_TW mode */
       else 
 	{
-	  wchar_t u;
+      wchar_t u = event.text.text[0];
-	  mbtowc(&u, event.text.text, 255);
 
 	  im->s[0] = L'\0';                     /* Zero-out output string */
 	  wcsncat(im->buf, &u, 1);              /* Copy new character */
@@ -1717,7 +1719,7 @@ void im_init(IM_DATA* im, int lang)
 
   #ifdef DEBUG
   assert(0 <= im->lang && im->lang < NUM_LANGS);
-  if(im_event_fp) printf("Initializing IM for %s...\n", lang_prefixes[im->lang]);
+  if(im_initialized) printf("Initializing IM for %s...\n", lang_prefixes[im->lang]);
   #endif
 
   /* Initialize the individual IM */

src/tuxpaint.c

@@ -20127,8 +20127,11 @@ static int do_color_sel(void)
   done = 0;
   chose = 0;
   x = y = 0;
+#ifndef __ANDROID__
+  /* FIXME: Strangely, this SDL_WarpMouse makes further event.button.x/y to be 0 on Android, thus making the selector unresponsive.
+     Needs testing on other operating sistems with touchscreen.  */
   SDL_WarpMouse(r_color_sel.x + r_color_sel.w / 2, r_color_sel.y + r_color_sel.h / 2);
-
+#endif
   do
   {
     while (SDL_PollEvent(&event))