Revision: 2838
http://svn.sourceforge.net/java-game-lib/?rev=2838&view=rev
Author: elias_naur
Date: 2007-05-31 15:09:46 -0700 (Thu, 31 May 2007)
Log Message:
-----------
Mac OS X: When grabbing the mouse, skip the next event to avoid bogus deltas
Modified Paths:
--------------
trunk/LWJGL/src/java/org/lwjgl/opengl/MacOSXMouseEventQueue.java
Modified: trunk/LWJGL/src/java/org/lwjgl/opengl/MacOSXMouseEventQueue.java
===================================================================
--- trunk/LWJGL/src/java/org/lwjgl/opengl/MacOSXMouseEventQueue.java 2007-05-31 21:11:34 UTC (rev 2837)
+++ trunk/LWJGL/src/java/org/lwjgl/opengl/MacOSXMouseEventQueue.java 2007-05-31 22:09:46 UTC (rev 2838)
@@ -53,6 +53,7 @@
final class MacOSXMouseEventQueue extends MouseEventQueue {
private final IntBuffer delta_buffer = BufferUtils.createIntBuffer(2);
+ private boolean skip_event;
private static boolean is_grabbed;
MacOSXMouseEventQueue(Component component) {
@@ -84,6 +85,10 @@
getMouseDeltas(delta_buffer);
int dx = delta_buffer.get(0);
int dy = -delta_buffer.get(1);
+ if (skip_event) {
+ skip_event = false;
+ return;
+ }
if ( dx != 0 || dy != 0 ) {
putMouseEventWithCoords((byte)-1, (byte)0, dx, dy, 0, nanos);
addDelta(dx, dy);
@@ -92,6 +97,10 @@
}
void warpCursor() {
+ synchronized (this) {
+ // If we're going to warp the cursor position, we'll skip the next event to avoid bogus delta values
+ skip_event = isGrabbed();
+ }
if (isGrabbed()) {
Rectangle bounds = getComponent().getBounds();
Point location_on_screen = getComponent().getLocationOnScreen();
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