/* * 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 edu.umd.cs.piccolo; import java.awt.Cursor; import edu.umd.cs.piccolo.util.PBounds; /** * Interface that a component needs to implement if it wants to act as a Piccolo * canvas. * * @version 1.0 * @author Lance Good */ public interface PComponent { /** * Called to notify PComponent that given bounds need repainting. * * @param bounds bounds needing repaint */ void repaint(PBounds bounds); /** * Sends a repaint notification the repaint manager if PComponent is not * already painting immediately. */ void paintImmediately(); /** * Pushes the given cursor onto the cursor stack and sets the current cursor * to the one provided. * * @param cursor The cursor to set as the current one and push */ void pushCursor(Cursor cursor); /** * Pops the topmost cursor from the stack and sets it as the current one. */ void popCursor(); /** * Sets whether the component is currently being interacted with. * * @param interacting whether the component is currently being interacted * with */ void setInteracting(boolean interacting); }