Minimum patch to enable kanji input on AndroWish, Tcl/tk on Android.

sdltk-textinput-minimum.patch

diff --git a/SdlTkInt.c b/SdlTkInt.c
index 2ccb1da..f4e04bf 100644
--- a/SdlTkInt.c
+++ b/SdlTkInt.c
@@ -653,6 +653,12 @@ skipTranslation:
 	case SDL_KEYDOWN:
 	case SDL_KEYUP:
 	    state = SDL_GetMouseState(&x, &y);
+            {
+              /* To make sure all key-related events has empty charValuePtr. */
+              TkKeyEvent* kePtr = (TkKeyEvent*) event;
+              kePtr->charValueLen = 0;
+              kePtr->charValuePtr = 0;
+            }
 
 	    event->type = (sdl_event->type == SDL_KEYUP)
 	                ? KeyRelease : KeyPress;
@@ -705,18 +711,23 @@ skipTranslation:
 	    event->xkey.same_screen = True;
 
 	    event->xkey.nbytes = 0;
-	    if (sdl_event->type == SDL_TEXTINPUT ||
-		sdl_event->type == SDL_TEXTEDITING) {
-		event->xkey.nbytes = strlen(sdl_event->text.text);
-		if (event->xkey.nbytes > sizeof (event->xkey.trans_chars)) {
-		    event->xkey.nbytes = sizeof (event->xkey.trans_chars);
-		}
-		memcpy(event->xkey.trans_chars, sdl_event->text.text,
-		       event->xkey.nbytes);
-		/* ignore illegal UTF-8 */
-		if ((event->xkey.trans_chars[0] & 0xFF) == 0xC0) {
-		    return 0;
-		}
+            if (sdl_event->type == SDL_TEXTINPUT) {
+                TkKeyEvent* kePtr = (TkKeyEvent*) event;
+                int len = strlen(txt_sdl_event.text.text);
+                event->xkey.nbytes = len;
+                if (len > 1) {
+                  /* Set charValuePtr/Len too.*/
+                  kePtr->charValueLen = strlen(sdl_event->text.text);
+                  kePtr->charValuePtr = ckalloc(kePtr->charValueLen+1);
+                  memcpy(kePtr->charValuePtr, sdl_event->text.text,
+                         kePtr->charValueLen+1);
+                } else if (len > sizeof (event->xkey.trans_chars)) {
+                  event->xkey.nbytes = sizeof (event->xkey.trans_chars);
+                }
+                memcpy(event->xkey.trans_chars, txt_sdl_event.text.text,
+                       event->xkey.nbytes);
+            } else if (sdl_event->type == SDL_TEXTEDITING) {
+              /* TODO: What can we do here? */
 	    } else if (SDL_PeepEvents(&txt_sdl_event, 1, SDL_PEEKEVENT,
 			       SDL_TEXTINPUT, SDL_TEXTINPUT) == 1) {
 	        SDL_PeepEvents(&txt_sdl_event, 1, SDL_GETEVENT,