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/*
* Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution 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 Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
*/
package com.jogamp.newt.event;
import com.jogamp.common.util.Bitfield;
import com.jogamp.newt.Window;
@SuppressWarnings("serial")
public abstract class InputEvent extends NEWTEvent
{
/** Interface marking class of input types */
public static interface InputClass {
}
/** Interface marking type of input devices */
public static interface InputType {
}
public static final int SHIFT_MASK = 1 << 0;
public static final int CTRL_MASK = 1 << 1;
public static final int META_MASK = 1 << 2;
public static final int ALT_MASK = 1 << 3;
public static final int ALT_GRAPH_MASK = 1 << 4;
public static final int BUTTON1_MASK = 1 << 5;
public static final int BUTTON2_MASK = 1 << 6;
public static final int BUTTON3_MASK = 1 << 7;
public static final int BUTTON4_MASK = 1 << 8;
public static final int BUTTON5_MASK = 1 << 9;
public static final int BUTTON6_MASK = 1 << 10;
public static final int BUTTON7_MASK = 1 << 11;
public static final int BUTTON8_MASK = 1 << 12;
public static final int BUTTON9_MASK = 1 << 13;
public static final int BUTTONLAST_MASK = 1 << 20; // 16 buttons
public static final int BUTTONALL_MASK = 0xffff << 5 ; // 16 buttons
/** Event is caused by auto-repeat. */
public static final int AUTOREPEAT_MASK = 1 << 29;
/** Pointer is confined, see {@link Window#confinePointer(boolean)}. */
public static final int CONFINED_MASK = 1 << 30;
/** Pointer is invisible, see {@link Window#setPointerVisible(boolean)}. */
public static final int INVISIBLE_MASK = 1 << 31;
/**
* Returns the corresponding button mask for the given button.
*
* In case the given button lies outside
* of the valid range [{@link MouseEvent#BUTTON1} .. {@link MouseEvent#BUTTON_COUNT}],
* null is returned.
*
*/
public static final int getButtonMask(final int button) {
if( 0 < button && button <= MouseEvent.BUTTON_COUNT ) {
return 1 << ( 4 + button ) ;
}
return 0;
}
protected InputEvent(final short eventType, final Object source, final long when, final int modifiers) {
super(eventType, source, when);
this.modifiers=modifiers;
}
/** Return the modifier bits of this event, e.g. see {@link #SHIFT_MASK} .. etc. */
public final int getModifiers() {
return modifiers;
}
/** {@link #getModifiers()} contains {@link #ALT_MASK}. */
public final boolean isAltDown() {
return (modifiers&ALT_MASK)!=0;
}
/** {@link #getModifiers()} contains {@link #ALT_GRAPH_MASK}. */
public final boolean isAltGraphDown() {
return (modifiers&ALT_GRAPH_MASK)!=0;
}
/** {@link #getModifiers()} contains {@link #CTRL_MASK}. */
public final boolean isControlDown() {
return (modifiers&CTRL_MASK)!=0;
}
/** {@link #getModifiers()} contains {@link #META_MASK}. */
public final boolean isMetaDown() {
return (modifiers&META_MASK)!=0;
}
/** {@link #getModifiers()} contains {@link #SHIFT_MASK}. */
public final boolean isShiftDown() {
return (modifiers&SHIFT_MASK)!=0;
}
/** {@link #getModifiers()} contains {@link #AUTOREPEAT_MASK}. */
public final boolean isAutoRepeat() {
return (modifiers&AUTOREPEAT_MASK)!=0;
}
/** {@link #getModifiers()} contains {@link #CONFINED_MASK}. Pointer is confined, see {@link Window#confinePointer(boolean)}. */
public final boolean isConfined() {
return (modifiers&CONFINED_MASK)!=0;
}
/** {@link #getModifiers()} contains {@link #INVISIBLE_MASK}. Pointer is invisible, see {@link Window#setPointerVisible(boolean)}. */
public final boolean isInvisible() {
return (modifiers&INVISIBLE_MASK)!=0;
}
public final StringBuilder getModifiersString(StringBuilder sb) {
if(null == sb) {
sb = new StringBuilder();
}
sb.append("[");
boolean isFirst = true;
if(isShiftDown()) { if(!isFirst) { sb.append(", "); } isFirst = false; sb.append("shift"); }
if(isControlDown()) { if(!isFirst) { sb.append(", "); } isFirst = false; sb.append("ctrl"); }
if(isMetaDown()) { if(!isFirst) { sb.append(", "); } isFirst = false; sb.append("meta"); }
if(isAltDown()) { if(!isFirst) { sb.append(", "); } isFirst = false; sb.append("alt"); }
if(isAltGraphDown()) { if(!isFirst) { sb.append(", "); } isFirst = false; sb.append("altgr"); }
if(isAutoRepeat()) { if(!isFirst) { sb.append(", "); } isFirst = false; sb.append("repeat"); }
for(int i=1; i<=MouseEvent.BUTTON_COUNT; i++) {
if(isButtonDown(i)) { if(!isFirst) { sb.append(", "); } isFirst = false; sb.append("button").append(i); }
}
if(isConfined()) { if(!isFirst) { sb.append(", "); } isFirst = false; sb.append("confined"); }
if(isInvisible()) { if(!isFirst) { sb.append(", "); } isFirst = false; sb.append("invisible"); }
sb.append("]");
return sb;
}
/**
* See also {@link MouseEvent}'s section about Multiple-Pointer Events.
* @return Array of pressed mouse buttons [{@link MouseEvent#BUTTON1} .. {@link MouseEvent#BUTTON6}].
* If none is down, the resulting array is of length 0.
*/
public final short[] getButtonsDown() {
final int len = getButtonDownCount();
final short[] res = new short[len];
int j = 0;
for(int i=1; i<=MouseEvent.BUTTON_COUNT; i++) {
if( isButtonDown(i) ) { res[j++] = (short) ( ( MouseEvent.BUTTON1 - 1 ) + i ); }
}
return res;
}
/**
* See also {@link MouseEvent}'s section about Multiple-Pointer Events.
* @param button the button to test
* @return true if the given button is down
*/
public final boolean isButtonDown(final int button) {
return ( modifiers & getButtonMask(button) ) != 0;
}
/**
* Returns the number of pressed buttons by counting the set bits:
*
* getBitCount(modifiers & BUTTONALL_MASK);
*
*
* See also {@link MouseEvent}'s section about Multiple-Pointer Events.
*
* @see Bitfield.Util#bitCount(int)
* @see #BUTTONALL_MASK
*/
public final int getButtonDownCount() {
return Bitfield.Util.bitCount(modifiers & BUTTONALL_MASK);
}
/**
* Returns true if at least one button is pressed, otherwise false:
*
* 0 != ( modifiers & BUTTONALL_MASK )
*
*
* See also {@link MouseEvent}'s section about Multiple-Pointer Events.
*
* @see Bitfield.Util#bitCount(int)
* @see #BUTTONALL_MASK
*/
public final boolean isAnyButtonDown() {
return 0 != ( modifiers & BUTTONALL_MASK );
}
@Override
public String toString() {
return toString(null).toString();
}
@Override
public StringBuilder toString(StringBuilder sb) {
if(null == sb) {
sb = new StringBuilder();
}
sb.append("InputEvent[modifiers: ");
getModifiersString(sb);
sb.append(", ");
super.toString(sb).append("]");
return sb;
}
private final int modifiers;
}