Button.java

/*
 *  This file is part of the Haven & Hearth game client.
 *  Copyright (C) 2009 Fredrik Tolf <fredrik@dolda2000.com>, and
 *                     Björn Johannessen <johannessen.bjorn@gmail.com>
 *
 *  Redistribution and/or modification of this file is subject to the
 *  terms of the GNU Lesser General Public License, version 3, as
 *  published by the Free Software Foundation.
 *
 *  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.
 *
 *  Other parts of this source tree adhere to other copying
 *  rights. Please see the file `COPYING' in the root directory of the
 *  source tree for details.
 *
 *  A copy the GNU Lesser General Public License is distributed along
 *  with the source tree of which this file is a part in the file
 *  `doc/LPGL-3'. If it is missing for any reason, please see the Free
 *  Software Foundation's website at <http://www.fsf.org/>, or write
 *  to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 *  Boston, MA 02111-1307 USA
 */

package haven;

import java.awt.Color;
import java.awt.Font;
import java.awt.image.BufferedImage;

public class Button extends Widget {
	static Tex bl = Resource.loadtex("gfx/hud/buttons/tbtn/left");
	static Tex br = Resource.loadtex("gfx/hud/buttons/tbtn/right");
	static Tex bt = Resource.loadtex("gfx/hud/buttons/tbtn/top");
	static Tex bb = Resource.loadtex("gfx/hud/buttons/tbtn/bottom");
	static Tex dt = Resource.loadtex("gfx/hud/buttons/tbtn/dtex");
	static Tex ut = Resource.loadtex("gfx/hud/buttons/tbtn/utex");
	public Text text;
	public BufferedImage cont;
	static Text.Foundry tf = new Text.Foundry(new Font("Serif", Font.PLAIN, 12), Color.YELLOW);
	boolean a = false;
	public Color color = Color.YELLOW;

	static {
		Widget.addtype("btn", new WidgetFactory() {
			public Widget create(Coord c, Widget parent, Object[] args) {
				return (new Button(c, (Integer) args[0], parent, (String) args[1]));
			}
		});
		Widget.addtype("ltbtn", new WidgetFactory() {
			public Widget create(Coord c, Widget parent, Object[] args) {
				return (wrapped(c, (Integer) args[0], parent, (String) args[1]));
			}
		});
	}

	public static Button wrapped(Coord c, int w, Widget parent, String text) {
		Button ret = new Button(c, w, parent, tf.renderwrap(text, w - 10));
		return (ret);
	}

	public Button(Coord c, Integer w, Widget parent, String text) {
		super(c, new Coord(w, 19), parent);
		this.text = tf.render(text);
		this.cont = this.text.img;
	}

	public Button(Coord c, Integer w, Widget parent, Text text) {
		super(c, new Coord(w, 19), parent);
		this.text = text;
		this.cont = text.img;
	}

	public Button(Coord c, Integer w, Widget parent, BufferedImage cont) {
		super(c, new Coord(w, 19), parent);
		this.cont = cont;
	}

	public void draw(GOut g) {
		synchronized (this) {
			// Graphics g = graphics();
			g.image(a ? dt : ut, new Coord(3, 3), new Coord(sz.x - 6, 13));
			g.image(bl, new Coord());
			g.image(br, new Coord(sz.x - br.sz().x, 0));
			g.image(bt, new Coord(3, 0), new Coord(sz.x - 6, bt.sz().y));
			g.image(bb, new Coord(3, sz.y - bb.sz().y), new Coord(sz.x - 6, bb.sz().y));
			Coord tc = sz.div(2).add(Utils.imgsz(cont).div(2).inv());
			if (a)
				tc = tc.add(1, 1);
			g.image(cont, new Coord(tc.x, tc.y));
		}
	}

	public void change(String text, Color col) {
		if (col == null)
			col = Color.YELLOW;
		color = col;
		this.text = tf.render(text, col);
		this.cont = this.text.img;
	}

	public void change(String text) {
		change(text, null);
	}

	public void click() {
		wdgmsg("activate");
	}

	public void uimsg(String msg, Object... args) {
		if (msg == "ch") {
			if (args.length > 1)
				change((String) args[0], (Color) args[1]);
			else
				change((String) args[0]);
		}
	}

	public boolean mousedown(Coord c, int button) {
		if (button != 1)
			return (false);
		a = true;
		ui.grabmouse(this);
		return (true);
	}

	public boolean mouseup(Coord c, int button) {
		if (a && button == 1) {
			a = false;
			ui.grabmouse(null);
			if (c.isect(new Coord(0, 0), sz))
				click();
			return (true);
		}
		return (false);
	}
}