183 lines
6.7 KiB
Java
183 lines
6.7 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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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.Insets;
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import java.awt.Container;
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import java.awt.Component;
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import java.awt.Point;
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import java.awt.Window;
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import java.nio.ByteBuffer;
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import javax.swing.SwingUtilities;
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import org.lwjgl.LWJGLException;
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import org.lwjgl.LWJGLUtil;
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/**
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @author kappaOne <one.kappa@gmail.com>
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* @version $Revision$
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* $Id$
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*/
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abstract class MacOSXCanvasPeerInfo extends MacOSXPeerInfo {
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private final AWTSurfaceLock awt_surface = new AWTSurfaceLock();
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public ByteBuffer window_handle;
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protected MacOSXCanvasPeerInfo(PixelFormat pixel_format, ContextAttribs attribs, boolean support_pbuffer) throws LWJGLException {
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super(pixel_format, attribs, true, true, support_pbuffer, true);
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}
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protected void initHandle(Canvas component) throws LWJGLException {
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boolean forceCALayer = true;
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boolean autoResizable = true; // set the CALayer to autoResize
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String javaVersion = System.getProperty("java.version");
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if (javaVersion.startsWith("1.5") || javaVersion.startsWith("1.6")) {
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// On Java 7 and newer CALayer mode is the only way to use OpenGL with AWT
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// therefore force it on all JVM's except for the older Java 5 and Java 6
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// where the older cocoaViewRef NSView method maybe be available.
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forceCALayer = false;
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}
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else if (javaVersion.startsWith("1.7")) {
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autoResizable = false;
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}
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Insets insets = getInsets(component);
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int top = insets != null ? insets.top : 0;
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int left = insets != null ? insets.left : 0;
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window_handle = nInitHandle(awt_surface.lockAndGetHandle(component), getHandle(), window_handle, forceCALayer, autoResizable, component.getX()-left, component.getY()-top);
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if (javaVersion.startsWith("1.7")) {
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// fix for CALayer position not covering Canvas due to a Java 7 bug
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// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7172187
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addComponentListener(component);
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reSetLayerBounds(component, getHandle());
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}
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}
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private void addComponentListener(final Canvas component) {
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ComponentListener[] components = component.getComponentListeners();
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// avoid adding duplicate listners by checking if one has already been added
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for (int i = 0; i < components.length; i++) {
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ComponentListener c = components[i];
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if (c.toString() == "CanvasPeerInfoListener") {
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return; // already contains the listner below return without adding
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}
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}
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ComponentListener comp = new ComponentListener() {
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public void componentHidden(ComponentEvent e) {
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}
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public void componentMoved(ComponentEvent e) {
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//nSetLayerPosition(getHandle(), component.getX() - left, component.getY() - top);
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reSetLayerBounds(component, getHandle());
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}
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public void componentResized(ComponentEvent e) {
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//nSetLayerPosition(getHandle(), component.getX() - left, component.getY() - top);
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reSetLayerBounds(component, getHandle());
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}
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public void componentShown(ComponentEvent e) {
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}
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public String toString() {
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return "CanvasPeerInfoListener";
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}
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};
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component.addComponentListener(comp);
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}
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private static native ByteBuffer nInitHandle(ByteBuffer surface_buffer, ByteBuffer peer_info_handle, ByteBuffer window_handle, boolean forceCALayer, boolean autoResizable, int x, int y) throws LWJGLException;
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private static native void nSetLayerPosition(ByteBuffer peer_info_handle, int x, int y);
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private static native void nSetLayerBounds(ByteBuffer peer_info_handle, int x, int y, int width, int height);
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/**
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* fix for CALayer position not covering Canvas due to a Java 7 bug
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* {@link http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7172187}
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* @param component
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* @param peer_info_handle
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*/
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private static void reSetLayerBounds(Canvas component, ByteBuffer peer_info_handle) {
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// report the root parent (peer).
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Component peer = SwingUtilities.getRoot(component);
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Point rtLoc = SwingUtilities.convertPoint(component.getParent(), component.getLocation(), peer);
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int x = (int) rtLoc.getX(), y = (int) rtLoc.getY();
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Insets insets = getInsets(component);
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x -= insets != null ? insets.left : 0;
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y -= insets != null ? insets.top : 0;
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// http://hg.openjdk.java.net/jdk8/awt/jdk/rev/65d874d16d59
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y = (int) peer.getHeight() - y - (int) component.getHeight();
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nSetLayerBounds(peer_info_handle, x, y, component.getWidth(), component.getHeight());
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}
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protected void doUnlock() throws LWJGLException {
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awt_surface.unlock();
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}
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/**
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* @return rootpane insets (peer insets) values.
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*/
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private static Insets getInsets(Canvas component) {
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Container c = SwingUtilities.getRootPane(component);
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if(c != null) {
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return c.getInsets();
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} else {
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return new Insets(0, 0, 0, 0);
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}
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}
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}
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