TextEntry.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.event.KeyEvent;

public class TextEntry extends Widget {
	LineEdit buf;
	int sx;
	boolean pw = false;
	static Text.Foundry fnd = new Text.Foundry(new Font("SansSerif", Font.PLAIN, 12), Color.BLACK);
	Text.Line tcache = null;
	public String text;
	public Color bgcolor;

	static {
		Widget.addtype("text", new WidgetFactory() {
			public Widget create(Coord c, Widget parent, Object[] args) {
				return (new TextEntry(c, (Coord) args[0], parent, (String) args[1]));
			}
		});
	}

	public void settext(String text) {
		buf.setline(text);
	}

	public void uimsg(String name, Object... args) {
		if (name == "settext") {
			settext((String) args[0]);
		} else if (name == "get") {
			wdgmsg("text", buf.line);
		} else if (name == "pw") {
			pw = ((Integer) args[0]) == 1;
		} else {
			super.uimsg(name, args);
		}
	}

	public void draw(GOut g) {
		super.draw(g);
		if (buf == null) {
			return;
		}
		String dtext;
		if (pw) {
			dtext = "";
			for (int i = 0; i < buf.line.length(); i++)
				dtext += "*";
		} else {
			dtext = buf.line;
		}
		g.frect(Coord.z, sz);
		if ((tcache == null) || !tcache.text.equals(dtext))
			tcache = fnd.render(dtext);
		int cx = tcache.advance(buf.point);
		if (cx < sx)
			sx = cx;
		if (cx > sx + (sz.x - 1))
			sx = cx - (sz.x - 1);
		g.image(tcache.tex(), new Coord(-sx, 0));
		if (hasfocus && ((System.currentTimeMillis() % 1000) > 500)) {
			g.chcolor(0, 0, 0, 255);
			int lx = cx - sx + 1;
			g.line(new Coord(lx, 1), new Coord(lx, sz.y - 1), 1);
		}
		if (bgcolor != null) {
			g.chcolor(bgcolor);
			g.rect(Coord.z, sz.add(1, 1));
		}
		g.chcolor();
	}

	public TextEntry(Coord c, Coord sz, Widget parent, String deftext) {
		super(c, sz, parent);
		buf = new LineEdit(text = deftext) {
			protected void done(String line) {
				activate(line);
			}

			protected void changed() {
				TextEntry.this.text = line;
			}
		};
		setcanfocus(true);
	}

	public void activate(String text) {
		if (canactivate) {
			wdgmsg("activate", text);
			// ugly fix for setting up session charname for freshly created chars
			try {
				if (parent instanceof Window && ((Window)parent).cap.text.equals("Change Name")) {
					MaidFrame.getCurrentSession().getUI().sess.charname = text;
					MainFrame.instance.setTitle(text);
				}
			} catch (Exception e) {
				try {
					MaidFrame.getCurrentSession().getUI().sess.charname = "";
					MainFrame.instance.setTitle("");
				} catch (Exception e2) {
				}
			}
		}
	}

	public boolean type(char c, KeyEvent ev) {
		return (buf.key(ev));
	}

	public boolean keydown(KeyEvent e) {
		buf.key(e);
		return true;
	}

	public boolean mousedown(Coord c, int button) {
		parent.setfocus(this);
		if (tcache != null) {
			buf.point = tcache.charat(c.x + sx);
		}
		return (true);
	}
}