/*
* TextAreaHighlight.java - Paints custom highlights in the text area
* Copyright (C) 1999, 2000 Slava Pestov
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package processing.app.syntax;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
/**
* Highlight interface. Create implementations of this interface and
* add them to the text area with <code>TextAreaPainter.addCustomHighlight()</code>
* to paint custom highlights.
*
* @author Slava Pestov
* @version $Id$
*/
public interface TextAreaHighlight
{
/**
* Called after the highlight painter has been added.
* @param textArea The text area
* @param next The painter this one should delegate to
*/
void init(JEditTextArea textArea, TextAreaHighlight next);
/**
* This should paint the highlight and delgate to the
* next highlight painter.
* @param gfx The graphics context
* @param line The line number
* @param y The y co-ordinate of the line
*/
void paintHighlight(Graphics gfx, int line, int y);
/**
* Returns the tool tip to display at the specified
* location. If this highlighter doesn't know what to
* display, it should delegate to the next highlight
* painter.
* @param evt The mouse event
*/
String getToolTipText(MouseEvent evt);
}