Added missing files
This commit is contained in:
Elias Naur
parent
1ec70842d0
commit
ab6433c004
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/*
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* Copyright (c) 2002-2004 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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* A java implementation of a LWJGL compatible event queue.
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* Currently only used by the Mac OS X implementation.
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* @author elias_naur
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*/
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import java.nio.ByteBuffer;
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import java.nio.IntBuffer;
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abstract class EventQueue {
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private final static int QUEUE_SIZE = 200;
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private final int event_size;
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private final IntBuffer queue;
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public EventQueue(int event_size) {
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this.event_size = event_size;
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this.queue = ByteBuffer.allocateDirect(QUEUE_SIZE*event_size).asIntBuffer();
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}
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protected synchronized void clearEvents() {
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queue.clear();
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}
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/**
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* Copy available events into the specified buffer.
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* Note that the buffer position is maintained, to emulate
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* the behaviour of the native event queues.
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* @return the number of events copied
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*/
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public synchronized int copyEvents(IntBuffer dest) {
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int old_position = dest.position();
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queue.flip();
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int old_limit = queue.limit();
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if (dest.remaining() < queue.remaining())
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queue.limit(dest.remaining() + queue.position());
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dest.put(queue);
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queue.limit(old_limit);
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queue.compact();
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int num_events = (dest.position() - old_position)/event_size;
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dest.position(old_position);
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return num_events;
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}
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/**
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* Put an event into the queue.
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* @return true if the event fitted into the queue, false otherwise
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*/
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public synchronized boolean putEvent(int[] event) {
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if (event.length != event_size)
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throw new IllegalArgumentException("Internal error: event size " + event_size + " does not equals the given event size " + event.length);
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if (queue.remaining() >= event.length) {
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queue.put(event);
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return true;
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} else
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return false;
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}
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}
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@ -0,0 +1,230 @@
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/*
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* Copyright (c) 2002-2004 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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* A java implementation of a LWJGL compatible Mouse event queue.
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* Currently only used by the Mac OS X implementation.
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* @author elias_naur
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*/
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import java.awt.event.MouseListener;
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import java.awt.event.MouseMotionListener;
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import java.awt.event.MouseWheelListener;
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import java.awt.event.MouseWheelEvent;
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import java.awt.event.MouseEvent;
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import java.nio.IntBuffer;
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import java.nio.ByteBuffer;
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import org.lwjgl.BufferUtils;
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final class MouseEventQueue extends EventQueue implements MouseListener, MouseMotionListener, MouseWheelListener {
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private final static int WHEEL_SCALE = 120;
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public final static int NUM_BUTTONS = 3;
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private final static int EVENT_SIZE = 5;
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private final int width;
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private final int height;
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private boolean grabbed;
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private final IntBuffer delta_buffer = BufferUtils.createIntBuffer(2);
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/** The accumulated mouse deltas returned by poll() */
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private int accum_dx;
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private int accum_dy;
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private int accum_dz;
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/** The last polled mouse position */
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private int last_poll_x;
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private int last_poll_y;
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/** The last event mouse position */
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private int last_event_x;
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private int last_event_y;
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/** Event scratch array */
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private final int[] event = new int[EVENT_SIZE];
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/** Buttons array */
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private final byte[] buttons = new byte[NUM_BUTTONS];
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public MouseEventQueue(int width, int height) {
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super(EVENT_SIZE);
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this.width = width;
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this.height = height;
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resetCursorToCenter();
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}
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public synchronized void setGrabbed(boolean grabbed) {
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this.grabbed = grabbed;
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resetCursorToCenter();
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}
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public synchronized boolean isGrabbed() {
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return grabbed;
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}
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private void resetCursorToCenter() {
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int center_x = width/2;
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int center_y = height - 1 - height/2;
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last_poll_x = center_x;
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last_poll_y = center_y;
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last_event_x = center_x;
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last_event_y = center_y;
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clearEvents();
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accum_dx = accum_dy = 0;
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}
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private boolean putMouseEvent(int button, int state, int dx, int dy, int dz) {
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event[0] = button;
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event[1] = state;
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event[2] = dx;
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event[3] = dy;
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event[4] = dz;
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return putEvent(event);
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}
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public synchronized void poll(IntBuffer coord_buffer, ByteBuffer buttons_buffer) {
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coord_buffer.put(0, accum_dx);
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coord_buffer.put(1, accum_dy);
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coord_buffer.put(2, accum_dz);
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accum_dx = accum_dy = accum_dz = 0;
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int old_position = buttons_buffer.position();
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buttons_buffer.put(buttons, 0, buttons.length);
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buttons_buffer.position(old_position);
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}
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private synchronized void setCursorPos(int x, int y) {
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if (grabbed)
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return;
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int poll_dx = x - last_poll_x;
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int poll_dy = y - last_poll_y;
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accum_dx += poll_dx;
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accum_dy += poll_dy;
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last_poll_x = x;
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last_poll_y = y;
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int event_dx = x - last_event_x;
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int event_dy = y - last_event_y;
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if (putMouseEvent(-1, 0, event_dx, -event_dy, 0)) {
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last_event_x = x;
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last_event_y = y;
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}
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}
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public void mouseClicked(MouseEvent e) {
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}
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public void mouseEntered(MouseEvent e) {
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}
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public void mouseExited(MouseEvent e) {
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}
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private void handleButton(MouseEvent e) {
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byte button;
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switch (e.getButton()) {
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case MouseEvent.BUTTON1:
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button = (byte)0;
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break;
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case MouseEvent.BUTTON2:
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button = (byte)2;
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break;
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case MouseEvent.BUTTON3:
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button = (byte)1;
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break;
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default:
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throw new IllegalArgumentException("Not a valid button: " + e.getButton());
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}
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byte state;
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switch (e.getID()) {
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case MouseEvent.MOUSE_PRESSED:
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state = 1;
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break;
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case MouseEvent.MOUSE_RELEASED:
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state = 0;
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break;
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default:
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throw new IllegalArgumentException("Not a valid event ID: " + e.getID());
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}
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setButton(button, state);
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}
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public void mousePressed(MouseEvent e) {
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updateDeltas();
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handleButton(e);
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}
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private synchronized void setButton(byte button, byte state) {
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buttons[button] = state;
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putMouseEvent(button, state, 0, 0, 0);
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}
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public void mouseReleased(MouseEvent e) {
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updateDeltas();
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handleButton(e);
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}
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public void mouseDragged(MouseEvent e) {
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setCursorPos(e.getX(), e.getY());
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}
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public void mouseMoved(MouseEvent e) {
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setCursorPos(e.getX(), e.getY());
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}
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private synchronized void handleWheel(int amount) {
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accum_dz += amount;
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putMouseEvent(-1, 0, 0, 0, amount);
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}
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public void updateDeltas() {
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if (!grabbed)
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return;
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synchronized (this) {
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((MacOSXDisplay)Display.getImplementation()).getMouseDeltas(delta_buffer);
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int dx = delta_buffer.get(0);
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int dy = delta_buffer.get(1);
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if (dx != 0 || dy != 0) {
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putMouseEvent(-1, 0, dx, -dy, 0);
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accum_dx += dx;
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accum_dy += dy;
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}
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}
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}
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public void mouseWheelMoved(MouseWheelEvent e) {
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int wheel_amount = -e.getWheelRotation()*WHEEL_SCALE;
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updateDeltas();
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handleWheel(wheel_amount);
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}
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}
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