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Mac OS X: Moved AWT input handling to separate AWTUtil.java

This commit is contained in:
Elias Naur 2006-10-26 14:47:02 +00:00
parent 1616724cb5
commit 9e1254f6d1
2 changed files with 137 additions and 43 deletions
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130
src/java/org/lwjgl/opengl/AWTUtil.java Normal file
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@ -0,0 +1,130 @@
/*
* 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;
/**
* @author elias_naur
*/
import java.awt.Cursor;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedActionException;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.List;
import org.lwjgl.BufferUtils;
import org.lwjgl.LWJGLException;
import org.lwjgl.LWJGLUtil;
import org.lwjgl.input.Keyboard;
final class AWTUtil {
public static boolean hasWheel() {
return true;
}
public static int getButtonCount() {
return MouseEventQueue.NUM_BUTTONS;
}
public static int getNativeCursorCapabilities() {
if (LWJGLUtil.getPlatform() != LWJGLUtil.PLATFORM_MACOSX || LWJGLUtil.isMacOSXEqualsOrBetterThan(10, 4)) {
int cursor_colors = Toolkit.getDefaultToolkit().getMaximumCursorColors();
boolean supported = cursor_colors >= Short.MAX_VALUE && getMaxCursorSize() > 0;
int caps = supported ? org.lwjgl.input.Cursor.CURSOR_8_BIT_ALPHA | org.lwjgl.input.Cursor.CURSOR_ONE_BIT_TRANSPARENCY: 0;
return caps;
} else {
/* Return no capability in Mac OS X 10.3 and earlier , as there are two unsolved bugs (both reported to apple along with
minimal test case):
1. When a custom cursor (or some standard) java.awt.Cursor is assigned to a
Componennt, it is reset to the default pointer cursor when the window is de-
activated and the re-activated. The Cursor can not be reset to the custom cursor,
with another setCursor.
2. When the cursor is moving in the top pixel row (y = 0 in AWT coordinates) in fullscreen
mode, no mouse moved events are reported, even though mouse pressed/released and dragged
events are reported
*/
return 0;
}
}
public static void setCursorPosition(final Component component, int x, int y) {
try {
Robot robot = (Robot)AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws Exception {
return new Robot(component.getGraphicsConfiguration().getDevice());
}
});
int transformed_x = component.getX() + x;
int transformed_y = component.getY() + component.getHeight() - 1 - y;
robot.mouseMove(transformed_x, transformed_y);
} catch (PrivilegedActionException e) {
LWJGLUtil.log("Got exception while setting mouse cursor position: " + e);
}
}
public static int getMinCursorSize() {
Dimension min_size = Toolkit.getDefaultToolkit().getBestCursorSize(0, 0);
return Math.max(min_size.width, min_size.height);
}
public static int getMaxCursorSize() {
Dimension max_size = Toolkit.getDefaultToolkit().getBestCursorSize(10000, 10000);
return Math.min(max_size.width, max_size.height);
}
/** Native cursor handles */
public static Cursor createCursor(int width, int height, int xHotspot, int yHotspot, int numImages, IntBuffer images, IntBuffer delays) throws LWJGLException {
BufferedImage cursor_image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
int[] pixels = new int[images.remaining()];
int old_position = images.position();
images.get(pixels);
images.position(old_position);
cursor_image.setRGB(0, 0, width, height, pixels, 0, width);
return Toolkit.getDefaultToolkit().createCustomCursor(cursor_image, new Point(xHotspot, yHotspot), "LWJGL Custom cursor");
}
}

50
src/java/org/lwjgl/opengl/MacOSXDisplay.java
View File

@ -294,11 +294,11 @@ final class MacOSXDisplay implements DisplayImplementation {
/* Mouse */
public boolean hasWheel() {
return true;
return AWTUtil.hasWheel();
}
public int getButtonCount() {
return MouseEventQueue.NUM_BUTTONS;
return AWTUtil.getButtonCount();
}
public void createMouse() throws LWJGLException {
@ -336,39 +336,11 @@ final class MacOSXDisplay implements DisplayImplementation {
private native void nGrabMouse(boolean grab);
public int getNativeCursorCapabilities() {
if (LWJGLUtil.isMacOSXEqualsOrBetterThan(10, 4)) {
int cursor_colors = Toolkit.getDefaultToolkit().getMaximumCursorColors();
boolean supported = cursor_colors >= Short.MAX_VALUE && getMaxCursorSize() > 0;
int caps = supported ? org.lwjgl.input.Cursor.CURSOR_8_BIT_ALPHA | org.lwjgl.input.Cursor.CURSOR_ONE_BIT_TRANSPARENCY: 0;
return caps;
} else {
/* Return no capability in Mac OS X 10.3 and earlier , as there are two unsolved bugs (both reported to apple along with
minimal test case):
1. When a custom cursor (or some standard) java.awt.Cursor is assigned to a
Componennt, it is reset to the default pointer cursor when the window is de-
activated and the re-activated. The Cursor can not be reset to the custom cursor,
with another setCursor.
2. When the cursor is moving in the top pixel row (y = 0 in AWT coordinates) in fullscreen
mode, no mouse moved events are reported, even though mouse pressed/released and dragged
events are reported
*/
return 0;
}
return AWTUtil.getNativeCursorCapabilities();
}
public void setCursorPosition(int x, int y) {
try {
Robot robot = (Robot)AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws Exception {
return new Robot(frame.getGraphicsConfiguration().getDevice());
}
});
int transformed_x = frame.getX() + x;
int transformed_y = frame.getY() + frame.getHeight() - 1 - y;
robot.mouseMove(transformed_x, transformed_y);
} catch (PrivilegedActionException e) {
LWJGLUtil.log("Got exception while setting mouse cursor position: " + e);
}
AWTUtil.setCursorPosition(frame, x, y);
}
public void setNativeCursor(Object handle) throws LWJGLException {
@ -377,13 +349,11 @@ final class MacOSXDisplay implements DisplayImplementation {
}
public int getMinCursorSize() {
Dimension min_size = Toolkit.getDefaultToolkit().getBestCursorSize(0, 0);
return Math.max(min_size.width, min_size.height);
return AWTUtil.getMinCursorSize();
}
public int getMaxCursorSize() {
Dimension max_size = Toolkit.getDefaultToolkit().getBestCursorSize(10000, 10000);
return Math.min(max_size.width, max_size.height);
return AWTUtil.getMaxCursorSize();
}
/* Keyboard */
@ -437,13 +407,7 @@ final class MacOSXDisplay implements DisplayImplementation {
*/
/** Native cursor handles */
public Object createCursor(int width, int height, int xHotspot, int yHotspot, int numImages, IntBuffer images, IntBuffer delays) throws LWJGLException {
BufferedImage cursor_image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
int[] pixels = new int[images.remaining()];
int old_position = images.position();
images.get(pixels);
images.position(old_position);
cursor_image.setRGB(0, 0, width, height, pixels, 0, width);
return Toolkit.getDefaultToolkit().createCustomCursor(cursor_image, new Point(xHotspot, yHotspot), "LWJGL Custom cursor");
return AWTUtil.createCursor(width, height, xHotspot, yHotspot, numImages, images, delays);
}
public void destroyCursor(Object cursor_handle) {