From 710d56fe55afc8cc53f5e8775e7db76cf24bec0c Mon Sep 17 00:00:00 2001
From: Elias Naur <elias.naur@gmail.com>
Date: Thu, 31 May 2007 21:04:52 +0000
Subject: [PATCH] Mac OS X: Track grabbed state in MacOSXMouseEventQueue

---
 src/java/org/lwjgl/opengl/MacOSXMouseEventQueue.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/java/org/lwjgl/opengl/MacOSXMouseEventQueue.java b/src/java/org/lwjgl/opengl/MacOSXMouseEventQueue.java
index 0b6676a4..47f2a0e0 100644
--- a/src/java/org/lwjgl/opengl/MacOSXMouseEventQueue.java
+++ b/src/java/org/lwjgl/opengl/MacOSXMouseEventQueue.java
@@ -53,6 +53,8 @@ import org.lwjgl.input.Mouse;
 final class MacOSXMouseEventQueue extends MouseEventQueue {
 	private final IntBuffer delta_buffer = BufferUtils.createIntBuffer(2);
 
+	private static boolean is_grabbed;
+	
 	MacOSXMouseEventQueue(Component component) {
 		super(component);
 	}
@@ -60,7 +62,10 @@ final class MacOSXMouseEventQueue extends MouseEventQueue {
 	public void setGrabbed(boolean grab) {
 		super.setGrabbed(grab);
 		warpCursor();
-		nGrabMouse(grab);
+		if (is_grabbed != grab) {
+			is_grabbed = grab;
+			nGrabMouse(grab);
+		}
 	}
 	
 	protected void resetCursorToCenter() {