126 lines
3.4 KiB
Java
126 lines
3.4 KiB
Java
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.opengl;
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/**
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* The AWT compatible Canvas for Mac OS X.
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* @author elias_naur
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*/
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import java.awt.Canvas;
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import java.awt.event.ComponentEvent;
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import java.awt.event.ComponentListener;
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import java.awt.event.HierarchyEvent;
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import java.awt.event.HierarchyListener;
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final class MacOSXCanvasListener implements ComponentListener, HierarchyListener {
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private final Canvas canvas;
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private int width;
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private int height;
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private boolean context_update;
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private boolean resized;
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MacOSXCanvasListener(Canvas canvas) {
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this.canvas = canvas;
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canvas.addComponentListener(this);
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canvas.addHierarchyListener(this);
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setUpdate();
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}
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public void disableListeners() {
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// Mac OS X applets will hang in Display.destroy() when parented when removing the listeners directly
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java.awt.EventQueue.invokeLater(new Runnable() {
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public void run() {
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canvas.removeComponentListener(MacOSXCanvasListener.this);
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canvas.removeHierarchyListener(MacOSXCanvasListener.this);
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}
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});
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}
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public boolean syncShouldUpdateContext() {
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boolean should_update;
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synchronized ( this ) {
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should_update = context_update;
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context_update = false;
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}
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return should_update;
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}
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private synchronized void setUpdate() {
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synchronized ( this ) {
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width = canvas.getWidth();
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height = canvas.getHeight();
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context_update = true;
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}
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}
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public int syncGetWidth() {
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synchronized ( this ) {
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return width;
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}
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}
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public int syncGetHeight() {
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synchronized ( this ) {
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return height;
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}
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}
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public void componentShown(ComponentEvent e) {
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}
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public void componentHidden(ComponentEvent e) {
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}
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public void componentResized(ComponentEvent e) {
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setUpdate();
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resized = true;
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}
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public void componentMoved(ComponentEvent e) {
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setUpdate();
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}
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public void hierarchyChanged(HierarchyEvent e) {
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setUpdate();
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}
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public boolean wasResized() {
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if (resized) {
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resized = false;
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return true;
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}
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return false;
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}
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}
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