#include "windowHandler.h"
#include "jawt_md.h"
#include <windows.h>
JNIEXPORT jint JNICALL Java_windowHandler_getHWND
(JNIEnv *env, jobject jobj, jobject jframe) {
  JAWT awt;
  JAWT_DrawingSurface* ds;
  JAWT_DrawingSurfaceInfo* dsi;
  JAWT_Win32DrawingSurfaceInfo* dsi_win;
  jint lock;
  awt.version = JAWT_VERSION_1_4;
  if (JAWT_GetAWT(env, &awt) == JNI_FALSE) {
    return 0;
  }
  ds = awt.GetDrawingSurface(env, jframe);
  if (ds == NULL) {
    return 0;
  }

  lock = ds->Lock(ds);
  if ((lock & JAWT_LOCK_ERROR) != 0) {
    awt.FreeDrawingSurface(ds);
    return 0;
  }

  dsi = ds->GetDrawingSurfaceInfo(ds);
  if (dsi == NULL) {
    ds->Unlock(ds);
    awt.FreeDrawingSurface(ds);
    return 0;
  }
  dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo;
  HWND hWnd = dsi_win->hwnd;

  /* Free the drawing surface info */
  ds->FreeDrawingSurfaceInfo(dsi);

  /* Unlock the drawing surface */
  ds->Unlock(ds);

  /* Free the drawing surface */
  awt.FreeDrawingSurface(ds);

  return (jint)hWnd;
}