Android: Add callbacks for basic cursor handling.

apps/openmw/android_main.c

@@ -2,6 +2,8 @@ int stderr = 0; // Hack: fix linker error
 
 #include "SDL_main.h"
 #include <SDL_gamecontroller.h>
+#include <SDL_mouse.h>
+#include <SDL_events.h>
 
 /*******************************************************************************
  Functions called by JNI
@@ -15,6 +17,25 @@ extern int argcData;
 extern const char **argvData;
 void releaseArgv();
 
+
+int Java_org_libsdl_app_SDLActivity_getMouseX(JNIEnv *env, jclass cls, jobject obj) {
+    int ret = 0;
+    SDL_GetMouseState(&ret, NULL);
+    return ret;
+}
+
+
+int Java_org_libsdl_app_SDLActivity_getMouseY(JNIEnv *env, jclass cls, jobject obj) {
+    int ret = 0;
+    SDL_GetMouseState(NULL, &ret);
+    return ret;
+}
+
+int Java_org_libsdl_app_SDLActivity_isMouseShown(JNIEnv *env, jclass cls, jobject obj) {
+    return SDL_ShowCursor(SDL_QUERY);
+}
+
+
 int Java_org_libsdl_app_SDLActivity_nativeInit(JNIEnv* env, jclass cls,
         jobject obj) {