/*
 * mouse.cpp : jni methods in nativemouse.dll
 *
 * For instructions on using javah and the C/C++ compiles see:
 * http://mindprod.com/jgloss/jni.html#COMPILING
 *
 * Copyright: (c) 2004-2017 Roedy Green, Canadian Mind Products
 */
// JNI prototypes generated by javah.
#include "mouse.h"
#include "windows.h"
/**
 * x:y coordinates as pair of 32-bit ints
 * or as 64-bit xy, with y in high order, later bits.
 */
union compactPOINT
   {
   jlong xy;
   struct tagPOINT point;
   } compactpoint;
/**
 * jni native code to find out where the mouse is on screen.
 * Class:     com_mindprod_mouse_Mouse
 * Method:    jniGetMousePosition
 * Signature: ()J
 *
 * @param env      enviroment
 * @param theclass pointer to Mouse class
 * @return x:y packaged in a long, with y in high order bits.
 */
JNIEXPORT jlong JNICALL Java_com_mindprod_mouse_Mouse_jniGetMousePosition
   (JNIEnv* env, jclass theclass )
   {
   if ( GetCursorPos( &compactpoint.point ) )
      {
      // treat xy pair as a single long.
      return compactpoint.xy;
      }
   else
      {
      // failure
      return -1;
      }
   }
/*
 * Class:     com_mindprod_mouse_Mouse
 * Method:    getVersion
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_com_mindprod_mouse_Mouse_getVersion
   (JNIEnv *, jclass)
   {
   return 30;
   }
// not class no so final }