/*
* Copyright (c) 2009-2012 jMonkeyEngine
* 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 'jMonkeyEngine' 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 com.jme3.input.lwjgl;
import com.jme3.cursors.plugins.JmeCursor;
import com.jme3.input.MouseInput;
import com.jme3.input.RawInputListener;
import com.jme3.input.event.MouseButtonEvent;
import com.jme3.input.event.MouseMotionEvent;
import com.jme3.system.lwjgl.LwjglAbstractDisplay;
import com.jme3.system.lwjgl.LwjglTimer;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.lwjgl.LWJGLException;
import org.lwjgl.Sys;
import org.lwjgl.input.Cursor;
import org.lwjgl.input.Mouse;
public class LwjglMouseInput implements MouseInput {
private static final Logger logger = Logger.getLogger(LwjglMouseInput.class.getName());
private LwjglAbstractDisplay context;
private RawInputListener listener;
private boolean supportHardwareCursor = false;
private boolean cursorVisible = true;
private int curX, curY, curWheel;
public LwjglMouseInput(LwjglAbstractDisplay context){
this.context = context;
}
public void initialize() {
if (!context.isRenderable())
return;
try {
Mouse.create();
logger.fine("Mouse created.");
supportHardwareCursor = (Cursor.getCapabilities() & Cursor.CURSOR_ONE_BIT_TRANSPARENCY) != 0;
// Recall state that was set before initialization
Mouse.setGrabbed(!cursorVisible);
} catch (LWJGLException ex) {
logger.log(Level.SEVERE, "Error while creating mouse", ex);
}
}
public boolean isInitialized(){
return Mouse.isCreated();
}
public int getButtonCount(){
return Mouse.getButtonCount();
}
public void update() {
if (!context.isRenderable())
return;
while (Mouse.next()){
int btn = Mouse.getEventButton();
int wheelDelta = Mouse.getEventDWheel();
int xDelta = Mouse.getEventDX();
int yDelta = Mouse.getEventDY();
int x = Mouse.getX();
int y = Mouse.getY();
curWheel += wheelDelta;
if (cursorVisible){
xDelta = x - curX;
yDelta = y - curY;
curX = x;
curY = y;
}else{
x = curX + xDelta;
y = curY + yDelta;
curX = x;
curY = y;
}
if (xDelta != 0 || yDelta != 0 || wheelDelta != 0){
MouseMotionEvent evt = new MouseMotionEvent(x, y, xDelta, yDelta, curWheel, wheelDelta);
evt.setTime(Mouse.getEventNanoseconds());
listener.onMouseMotionEvent(evt);
}
if (btn != -1){
MouseButtonEvent evt = new MouseButtonEvent(btn,
Mouse.getEventButtonState(), x, y);
evt.setTime(Mouse.getEventNanoseconds());
listener.onMouseButtonEvent(evt);
}
}
}
public void destroy() {
if (!context.isRenderable())
return;
Mouse.destroy();
logger.fine("Mouse destroyed.");
}
public void setCursorVisible(boolean visible){
cursorVisible = visible;
if (!context.isRenderable())
return;
Mouse.setGrabbed(!visible);
}
public void setInputListener(RawInputListener listener) {
this.listener = listener;
}
public long getInputTimeNanos() {
return Sys.getTime() * LwjglTimer.LWJGL_TIME_TO_NANOS;
}
public void setNativeCursor(JmeCursor jmeCursor) {
try {
Cursor newCursor = null;
if (jmeCursor != null) {
newCursor = new Cursor(
jmeCursor.getWidth(),
jmeCursor.getHeight(),
jmeCursor.getXHotSpot(),
jmeCursor.getYHotSpot(),
jmeCursor.getNumImages(),
jmeCursor.getImagesData(),
jmeCursor.getImagesDelay());
}
Mouse.setNativeCursor(newCursor);
} catch (LWJGLException ex) {
Logger.getLogger(LwjglMouseInput.class.getName()).log(Level.SEVERE, null, ex);
}
}
}