1/*
2 * Copyright (c) 2002-2008 LWJGL Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 *   notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 *   notice, this list of conditions and the following disclaimer in the
14 *   documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of 'LWJGL' nor the names of
17 *   its contributors may be used to endorse or promote products derived
18 *   from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/**
34 * $Id$
35 *
36 * Mac OS X mouse handling.
37 *
38 * @author elias_naur <elias_naur@users.sourceforge.net>
39 * @version $Revision$
40 */
41
42#include <jni.h>
43#include <ApplicationServices/ApplicationServices.h>
44#include "org_lwjgl_opengl_MacOSXMouseEventQueue.h"
45#include "common_tools.h"
46
47JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXMouseEventQueue_nGrabMouse(JNIEnv *env, jclass unused, jboolean grab) {
48	CGAssociateMouseAndMouseCursorPosition(grab == JNI_TRUE ? FALSE : TRUE);
49	if (grab)
50		CGDisplayHideCursor(kCGDirectMainDisplay);
51	else
52		CGDisplayShowCursor(kCGDirectMainDisplay);
53}
54
55JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXMouseEventQueue_nWarpCursor(JNIEnv *env, jclass unused, jint x, jint y) {
56	CGPoint p;
57	p.x = x;
58	p.y = y;
59	CGWarpMouseCursorPosition(p);
60    CGAssociateMouseAndMouseCursorPosition(true);
61}
62
63JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXMouseEventQueue_getMouseDeltas(JNIEnv *env, jclass unused, jobject delta_buffer) {
64	int32_t dx, dy;
65	CGGetLastMouseDelta(&dx, &dy);
66	int buffer_length = (*env)->GetDirectBufferCapacity(env, delta_buffer);
67	if (buffer_length != 2) {
68		printfDebugJava(env, "Delta buffer not large enough!");
69		return;
70	}
71	jint *buffer = (*env)->GetDirectBufferAddress(env, delta_buffer);
72	buffer[0] = dx;
73	buffer[1] = dy;
74}