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/*
* Copyright (c) 2008-2011, Piccolo2D project, http://piccolo2d.org
* Copyright (c) 1998-2008, University of Maryland
* 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.
*
* None of the name of the University of Maryland, the name of the Piccolo2D project, or 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.piccolo2d.extras.swt;
import java.awt.Component;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Widget;
/**
* Mouse event overridden to wrap an SWT MouseEvent as a Swing MouseEvent.
*
* @author Lance Good
*/
public class PSWTMouseEvent extends MouseEvent {
private static final int SWT_BUTTON1 = 1;
private static final int SWT_BUTTON2 = 2;
private static final int SWT_BUTTON3 = 3;
private static final long serialVersionUID = 1L;
private static Component fakeSrc = new Component() {
};
/** Event being wrapped. */
protected org.eclipse.swt.events.MouseEvent swtEvent;
/** Number times the mouse was clicked in relation to the wrapped event. */
protected int clickCount;
/**
* Constructs a PSWTMouseEvent that wraps the provided SWT MouseEvent as a
* Swing one.
*
* @param me Mouse Event being wrapped
* @param type event type
* @param clickCount number of times the mouse has been clicked
*/
public PSWTMouseEvent(final org.eclipse.swt.events.MouseEvent me, final int type, final int clickCount) {
super(fakeSrc, type, me.time, 0, me.x, me.y, clickCount, me.button == SWT_BUTTON3, me.button);
swtEvent = me;
this.clickCount = clickCount;
}
/** {@inheritDoc} */
public Object getSource() {
return swtEvent.getSource();
}
/** {@inheritDoc} */
public int getClickCount() {
return clickCount;
}
/** {@inheritDoc} */
public int getButton() {
switch (swtEvent.button) {
case SWT_BUTTON1:
return MouseEvent.BUTTON1;
case SWT_BUTTON2:
return MouseEvent.BUTTON2;
case SWT_BUTTON3:
return MouseEvent.BUTTON3;
default:
return MouseEvent.NOBUTTON;
}
}
/** {@inheritDoc} */
public boolean isShiftDown() {
return (swtEvent.stateMask & SWT.SHIFT) != 0;
}
/** {@inheritDoc} */
public boolean isControlDown() {
return (swtEvent.stateMask & SWT.CONTROL) != 0;
}
/** {@inheritDoc} */
public boolean isAltDown() {
return (swtEvent.stateMask & SWT.ALT) != 0;
}
/** {@inheritDoc} */
public int getModifiers() {
int modifiers = 0;
if (swtEvent != null) {
if ((swtEvent.stateMask & SWT.ALT) != 0) {
modifiers = modifiers | InputEvent.ALT_MASK;
}
if ((swtEvent.stateMask & SWT.CONTROL) != 0) {
modifiers = modifiers | InputEvent.CTRL_MASK;
}
if ((swtEvent.stateMask & SWT.SHIFT) != 0) {
modifiers = modifiers | InputEvent.SHIFT_MASK;
}
if (swtEvent.button == SWT_BUTTON1 || (swtEvent.stateMask & SWT.BUTTON1) != 0) {
modifiers = modifiers | InputEvent.BUTTON1_MASK;
}
if (swtEvent.button == SWT_BUTTON2 || (swtEvent.stateMask & SWT.BUTTON2) != 0) {
modifiers = modifiers | InputEvent.BUTTON2_MASK;
}
if (swtEvent.button == SWT_BUTTON3 || (swtEvent.stateMask & SWT.BUTTON3) != 0) {
modifiers = modifiers | InputEvent.BUTTON3_MASK;
}
}
return modifiers;
}
/** {@inheritDoc} */
public int getModifiersEx() {
int modifiers = 0;
if (swtEvent != null) {
if ((swtEvent.stateMask & SWT.ALT) != 0) {
modifiers = modifiers | InputEvent.ALT_DOWN_MASK;
}
if ((swtEvent.stateMask & SWT.CONTROL) != 0) {
modifiers = modifiers | InputEvent.CTRL_DOWN_MASK;
}
if ((swtEvent.stateMask & SWT.SHIFT) != 0) {
modifiers = modifiers | InputEvent.SHIFT_DOWN_MASK;
}
if (swtEvent.button == SWT_BUTTON1 || (swtEvent.stateMask & SWT.BUTTON1) != 0) {
modifiers = modifiers | InputEvent.BUTTON1_DOWN_MASK;
}
if (swtEvent.button == SWT_BUTTON2 || (swtEvent.stateMask & SWT.BUTTON2) != 0) {
modifiers = modifiers | InputEvent.BUTTON2_DOWN_MASK;
}
if (swtEvent.button == SWT_BUTTON3 || (swtEvent.stateMask & SWT.BUTTON3) != 0) {
modifiers = modifiers | InputEvent.BUTTON3_DOWN_MASK;
}
}
return modifiers;
}
/**
* Returns the widget from which the event was emitted.
*
* @return source widget
*/
public Widget getWidget() {
return swtEvent.widget;
}
/**
* Return the display on which the interaction occurred.
*
* @return display on which the interaction occurred
*/
public Display getDisplay() {
return swtEvent.display;
}
/**
* Return the associated SWT data for the event.
*
* @return data associated to the SWT event
*/
public Object getData() {
return swtEvent.data;
}
}
