Mac OS X: Made AWT access thread safe

This commit is contained in:
Elias Naur 2004-11-12 13:23:20 +00:00
parent 2ae536c7c7
commit 0fb264180e
3 changed files with 344 additions and 78 deletions

View File

@ -51,30 +51,26 @@ import java.util.List;
import java.util.ArrayList;
import java.awt.BorderLayout;
import java.awt.Frame;
import javax.swing.JFrame;
import java.awt.Insets;
import java.awt.Cursor;
import java.awt.Rectangle;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.GraphicsEnvironment;
import java.awt.GraphicsDevice;
import java.awt.image.BufferedImage;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation {
private JFrame frame;
private MacOSXGLCanvas canvas;
private boolean close_requested;
final class MacOSXDisplay implements DisplayImplementation {
private MacOSXFrame frame;
private MouseEventQueue mouse_queue;
private KeyboardEventQueue keyboard_queue;
private java.awt.DisplayMode requested_mode;
/* States */
private boolean close_requested;
public MacOSXDisplay() {
new MacOSXApplicationListener();
@ -82,33 +78,12 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
public void createWindow(DisplayMode mode, boolean fullscreen, int x, int y) throws LWJGLException {
close_requested = false;
frame = new JFrame();
frame.setResizable(false);
frame.addWindowListener(this);
canvas = new MacOSXGLCanvas();
frame.getContentPane().add(canvas, BorderLayout.CENTER);
frame.setUndecorated(fullscreen);
if (fullscreen) {
getDevice().setFullScreenWindow(frame);
getDevice().setDisplayMode(requested_mode);
/** For some strange reason, the display mode is sometimes silently capped even though the mode is reported as supported */
if (requested_mode.getWidth() != getDevice().getDisplayMode().getWidth() || requested_mode.getHeight() != getDevice().getDisplayMode().getHeight()) {
destroyWindow();
throw new LWJGLException("AWT capped mode");
}
try {
frame = new MacOSXFrame(mode, requested_mode, fullscreen, x, y);
} catch (LWJGLException e) {
destroyWindow();
throw e;
}
frame.pack();
reshape(x, y, mode.getWidth(), mode.getHeight());
frame.setVisible(true);
frame.requestFocus();
canvas.requestFocus();
canvas.waitForCanvasCreated();
}
private GraphicsDevice getDevice() {
GraphicsEnvironment g_env = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice device = g_env.getDefaultScreenDevice();
return device;
}
private void handleQuit() {
@ -117,21 +92,12 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
}
}
public void windowClosing(WindowEvent e) {
handleQuit();
}
public void windowActivated(WindowEvent e) {
warpCursor();
}
public void destroyWindow() {
if (getDevice().getFullScreenWindow() != null)
getDevice().setFullScreenWindow(null);
if (MacOSXFrame.getDevice().getFullScreenWindow() != null)
MacOSXFrame.getDevice().setFullScreenWindow(null);
setView(null);
frame.dispose();
frame.syncDispose();
frame = null;
canvas = null;
}
public int getGammaRampLength() {
@ -156,7 +122,7 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
}
public void switchDisplayMode(DisplayMode mode) throws LWJGLException {
java.awt.DisplayMode[] awt_modes = getDevice().getDisplayModes();
java.awt.DisplayMode[] awt_modes = MacOSXFrame.getDevice().getDisplayModes();
for (int i = 0; i < awt_modes.length; i++)
if (equals(awt_modes[i], mode)) {
requested_mode = awt_modes[i];
@ -166,8 +132,8 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
}
public void resetDisplayMode() {
if (getDevice().getFullScreenWindow() != null)
getDevice().setFullScreenWindow(null);
if (MacOSXFrame.getDevice().getFullScreenWindow() != null)
MacOSXFrame.getDevice().setFullScreenWindow(null);
requested_mode = null;
}
@ -188,11 +154,11 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
}
public DisplayMode init() {
return createLWJGLDisplayMode(getDevice().getDisplayMode());
return createLWJGLDisplayMode(MacOSXFrame.getDevice().getDisplayMode());
}
public DisplayMode[] getAvailableDisplayModes() {
java.awt.DisplayMode[] awt_modes = getDevice().getDisplayModes();
java.awt.DisplayMode[] awt_modes = MacOSXFrame.getDevice().getDisplayModes();
List modes = new ArrayList();
for (int i = 0; i < awt_modes.length; i++)
if (awt_modes[i].getBitDepth() >= 16)
@ -203,7 +169,7 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
}
public void setTitle(String title) {
frame.setTitle(title);
frame.syncSetTitle(title);
}
public boolean isCloseRequested() {
@ -216,15 +182,15 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
}
public boolean isVisible() {
return frame.isShowing();
return frame.syncIsVisible();
}
public boolean isActive() {
return frame.isFocused();
return frame.syncIsActive();
}
public boolean isDirty() {
return canvas.isDirty();
return frame.getCanvas().syncIsDirty();
}
public native void setView(MacOSXGLCanvas canvas);
@ -238,10 +204,10 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
public native void destroyContext();
public void update() {
if (canvas.shouldUpdateContext()) {
if (frame.syncShouldUpdateContext()) {
updateContext();
/* This is necessary to make sure the context won't "forget" about the view size */
GL11.glViewport(0, 0, canvas.getWidth(), canvas.getHeight());
GL11.glViewport(0, 0, frame.getCanvas().syncGetWidth(), frame.getCanvas().syncGetHeight());
warpCursor();
}
mouse_queue.updateDeltas();
@ -249,7 +215,7 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
private void warpCursor() {
if (mouse_queue != null && mouse_queue.isGrabbed()) {
Rectangle bounds = frame.getBounds();
Rectangle bounds = frame.syncGetBounds();
int x = bounds.x + bounds.width/2;
int y = bounds.y + bounds.height/2;
nWarpCursor(x, y);
@ -263,8 +229,7 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
public native void setVSyncEnabled(boolean sync);
public void reshape(int x, int y, int width, int height) {
Insets insets = frame.getInsets();
frame.setBounds(x, y, width + insets.left + insets.right, height + insets.top + insets.bottom);
frame.syncReshape(x, y, width, height);
}
/* Mouse */
@ -277,6 +242,7 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
}
public void createMouse() {
MacOSXGLCanvas canvas = frame.getCanvas();
this.mouse_queue = new MouseEventQueue(canvas.getWidth(), canvas.getHeight());
canvas.addMouseListener(mouse_queue);
canvas.addMouseMotionListener(mouse_queue);
@ -284,6 +250,7 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
}
public void destroyMouse() {
MacOSXGLCanvas canvas = frame.getCanvas();
canvas.removeMouseListener(mouse_queue);
canvas.removeMouseWheelListener(mouse_queue);
canvas.removeMouseMotionListener(mouse_queue);
@ -321,7 +288,7 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
public void setNativeCursor(Object handle) throws LWJGLException {
Cursor awt_cursor = (Cursor)handle;
canvas.setCursor(awt_cursor);
frame.syncSetCursor(awt_cursor);
}
public int getMinCursorSize() {
@ -336,6 +303,7 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
/* Keyboard */
public void createKeyboard() throws LWJGLException {
MacOSXGLCanvas canvas = frame.getCanvas();
this.keyboard_queue = new KeyboardEventQueue();
canvas.addKeyListener(keyboard_queue);
}
@ -345,7 +313,7 @@ final class MacOSXDisplay extends WindowAdapter implements DisplayImplementation
* This line is commented out to work around AWT bug 4867453:
* http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4867453
*/
// canvas.removeKeyListener(keyboard_queue);
// frame.getCanvas().removeKeyListener(keyboard_queue);
this.keyboard_queue = null;
}

View File

@ -0,0 +1,276 @@
/*
* Copyright (c) 2002-2004 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl.opengl;
/**
* This is the Mac OS X AWT Frame. It contains thread safe
* methods to manipulateit from non-AWT threads
* @author elias_naur
*/
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.Insets;
import java.awt.Cursor;
import java.awt.Rectangle;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.GraphicsEnvironment;
import java.awt.GraphicsDevice;
import java.awt.image.BufferedImage;
import java.awt.event.WindowListener;
import java.awt.event.ComponentListener;
import java.awt.event.ComponentEvent;
import java.awt.event.WindowEvent;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import org.lwjgl.LWJGLException;
final class MacOSXFrame extends Frame implements WindowListener, ComponentListener {
private final MacOSXGLCanvas canvas;
private boolean close_requested;
/* States */
private Rectangle bounds;
private boolean should_update;
private boolean active;
private boolean visible;
private boolean minimized;
public MacOSXFrame(DisplayMode mode, java.awt.DisplayMode requested_mode, boolean fullscreen, int x, int y) throws LWJGLException {
setResizable(false);
addWindowListener(this);
addComponentListener(this);
canvas = new MacOSXGLCanvas();
add(canvas, BorderLayout.CENTER);
setUndecorated(fullscreen);
if (fullscreen) {
getDevice().setFullScreenWindow(this);
getDevice().setDisplayMode(requested_mode);
/** For some strange reason, the display mode is sometimes silently capped even though the mode is reported as supported */
if (requested_mode.getWidth() != getDevice().getDisplayMode().getWidth() || requested_mode.getHeight() != getDevice().getDisplayMode().getHeight()) {
syncDispose();
throw new LWJGLException("AWT capped mode");
}
}
pack();
syncReshape(x, y, mode.getWidth(), mode.getHeight());
invokeAWT(new Runnable() {
public void run() {
setVisible(true);
requestFocus();
canvas.requestFocus();
}
});
canvas.waitForCanvasCreated();
}
public Rectangle syncGetBounds() {
synchronized (this) {
return bounds;
}
}
public void componentShown(ComponentEvent e) {
}
public void componentHidden(ComponentEvent e) {
}
private void updateBounds() {
synchronized (this) {
bounds = getBounds();
}
}
public void componentResized(ComponentEvent e) {
updateBounds();
}
public void componentMoved(ComponentEvent e) {
updateBounds();
}
public final static GraphicsDevice getDevice() {
GraphicsEnvironment g_env = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice device = g_env.getDefaultScreenDevice();
return device;
}
public void windowIconified(WindowEvent e) {
synchronized (this) {
minimized = true;
}
}
public void windowDeiconified(WindowEvent e) {
synchronized (this) {
minimized = false;
}
}
public void windowOpened(WindowEvent e) {
}
public void windowClosed(WindowEvent e) {
}
public void windowClosing(WindowEvent e) {
synchronized (this) {
close_requested = true;
}
}
public void windowDeactivated(WindowEvent e) {
synchronized (this) {
active = false;
}
}
public void windowActivated(WindowEvent e) {
synchronized (this) {
should_update = true;
active = true;
}
}
public void syncDispose() {
invokeAWT(new Runnable() {
public void run() {
dispose();
}
});
}
private class TitleSetter implements Runnable {
private final String title;
public TitleSetter(String title) {
this.title = title;
}
public void run() {
setTitle(title);
}
}
public void syncSetTitle(String title) {
invokeAWT(new TitleSetter(title));
}
public boolean syncIsCloseRequested() {
boolean result;
synchronized (this) {
result = close_requested;
close_requested = false;
}
return result;
}
public boolean syncIsVisible() {
synchronized (this) {
return !minimized;
}
}
public boolean syncIsActive() {
synchronized (this) {
return active;
}
}
public MacOSXGLCanvas getCanvas() {
return canvas;
}
public boolean syncShouldUpdateContext() {
boolean result;
synchronized (this) {
result = canvas.syncShouldUpdateContext() || should_update;
should_update = false;
}
return result;
}
private class Reshaper implements Runnable {
private final int x;
private final int y;
private final int width;
private final int height;
public Reshaper(int x, int y, int width, int height) {
this.x = x;
this.y = y;
this.width = width;
this.height = height;
}
public void run() {
Insets insets = getInsets();
setBounds(x, y, width + insets.left + insets.right, height + insets.top + insets.bottom);
}
}
private void invokeAWT(Runnable r) {
try {
java.awt.EventQueue.invokeAndWait(r);
} catch (InterruptedException e) {
// ignore
} catch (InvocationTargetException e) {
throw new RuntimeException(e);
}
}
public void syncReshape(int x, int y, int width, int height) {
invokeAWT(new Reshaper(x, y, width, height));
}
private class CursorSetter implements Runnable {
private final java.awt.Cursor awt_cursor;
public CursorSetter(java.awt.Cursor awt_cursor) {
this.awt_cursor = awt_cursor;
}
public void run() {
canvas.setCursor(awt_cursor);
}
}
public void syncSetCursor(java.awt.Cursor awt_cursor) {
invokeAWT(new CursorSetter(awt_cursor));
}
}

View File

@ -39,22 +39,18 @@ package org.lwjgl.opengl;
import java.awt.Canvas;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Graphics;
import java.awt.event.HierarchyBoundsListener;
import java.awt.event.HierarchyEvent;
import java.awt.event.ComponentListener;
import java.awt.event.ComponentEvent;
final class MacOSXGLCanvas extends Canvas implements HierarchyBoundsListener {
final class MacOSXGLCanvas extends Canvas implements ComponentListener {
private int width;
private int height;
private boolean context_update;
private boolean canvas_created;
private boolean dirty;
public MacOSXGLCanvas() {
setFocusTraversalKeysEnabled(false);
/* Input methods are not enabled in fullscreen anyway, so disable always */
enableInputMethods(false);
addHierarchyBoundsListener(this);
}
public void update(Graphics g) {
paint(g);
}
@ -63,6 +59,10 @@ final class MacOSXGLCanvas extends Canvas implements HierarchyBoundsListener {
synchronized (this) {
dirty = true;
if (!canvas_created) {
setFocusTraversalKeysEnabled(false);
/* Input methods are not enabled in fullscreen anyway, so disable always */
enableInputMethods(false);
addComponentListener(this);
((MacOSXDisplay)Display.getImplementation()).setView(this);
canvas_created = true;
setUpdate();
@ -71,7 +71,7 @@ final class MacOSXGLCanvas extends Canvas implements HierarchyBoundsListener {
}
}
public boolean isDirty() {
public boolean syncIsDirty() {
boolean result;
synchronized (this) {
result = dirty;
@ -92,7 +92,7 @@ final class MacOSXGLCanvas extends Canvas implements HierarchyBoundsListener {
}
}
public boolean shouldUpdateContext() {
public boolean syncShouldUpdateContext() {
boolean should_update;
synchronized (this) {
should_update = context_update;
@ -102,14 +102,36 @@ final class MacOSXGLCanvas extends Canvas implements HierarchyBoundsListener {
}
private synchronized void setUpdate() {
context_update = true;
synchronized (this) {
width = getWidth();
height = getHeight();
context_update = true;
}
}
public void ancestorResized(HierarchyEvent e) {
public int syncGetWidth() {
synchronized (this) {
return width;
}
}
public int syncGetHeight() {
synchronized (this) {
return height;
}
}
public void componentShown(ComponentEvent e) {
}
public void componentHidden(ComponentEvent e) {
}
public void componentResized(ComponentEvent e) {
setUpdate();
}
public void ancestorMoved(HierarchyEvent e) {
public void componentMoved(ComponentEvent e) {
setUpdate();
}