com.threerings.media.ManagedJFrame Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of nenya Show documentation
Facilities for making networked multiplayer games.
The newest version!
//
// Nenya library - tools for developing networked games
// Copyright (C) 2002-2012 Three Rings Design, Inc., All Rights Reserved
// https://github.com/threerings/nenya
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package com.threerings.media;

import java.awt.Graphics;
import java.awt.GraphicsConfiguration;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.Window;

import javax.swing.JFrame;

/**
 * When using the {@link FrameManager}, one must use this top-level frame class.
 */
public class ManagedJFrame extends JFrame
    implements FrameManager.ManagedRoot
{
    /**
     * Constructs a managed frame with no title.
     */
    public ManagedJFrame ()
    {
        this("");
    }

    /**
     * Constructs a managed frame with the specified title.
     */
    public ManagedJFrame (String title)
    {
        super(title);
    }

    /**
     * Constructs a managed frame in the specified graphics configuration.
     */
    public ManagedJFrame (GraphicsConfiguration gc)
    {
        super(gc);
    }

    // from interface FrameManager.ManagedRoot
    public void init (FrameManager fmgr)
    {
        _fmgr = fmgr;
    }

    // from interface FrameManager.ManagedRoot
    public Window getWindow ()
    {
        return this;
    }

    /**
     * Returns the frame manager managing this frame.
     */
    public FrameManager getFrameManager ()
    {
        return _fmgr;
    }

    /**
     * We catch paint requests and forward them on to the repaint infrastructure.
     */
    @Override
    public void paint (Graphics g)
    {
        update(g);
    }

    /**
     * We catch update requests and forward them on to the repaint infrastructure.
     */
    @Override
    public void update (Graphics g)
    {
        Shape clip = g.getClip();
        Rectangle dirty;
        if (clip != null) {
            dirty = clip.getBounds();
        } else {
            dirty = getRootPane().getBounds();
            // account for our frame insets
            Insets insets = getInsets();
            dirty.x += insets.left;
            dirty.y += insets.top;
        }

        if (_fmgr != null) {
            _fmgr.restoreFromBack(dirty);
        }
    }

    protected FrameManager _fmgr;
}