org.eclipse.swt.custom.PaintObjectListener Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2016 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.custom;
import org.eclipse.swt.internal.*;
/**
* This listener is invoked when an object needs to be drawn.
*
* @since 3.2
*/
@FunctionalInterface
public interface PaintObjectListener extends SWTEventListener {
/**
* This method is called when an object needs to be drawn.
*
*
* The following event fields are used:
* - event.x the x location (input)
* - event.y the y location (input)
* - event.ascent the line ascent (input)
* - event.descent the line descent (input)
* - event.gc the gc (input)
* - event.style the style (input)
*
*
* @param event the event
*
* @see PaintObjectEvent
* @see StyledText#addPaintObjectListener(PaintObjectListener)
*/
public void paintObject(PaintObjectEvent event);
}