Files
gzz-mirror/Java/flob/CellFlob1.java
2026-09-14 20:19:29 -04:00

106 lines
2.8 KiB
Java

/*
CellFlob1.java
*
* Copyright (c) 1999-2000, Ted Nelson and Tuomas Lukka
*
* You may use and distribute under the terms of either the GNU Lesser
* General Public License, either version 2 of the license or,
* at your choice, any later version. Alternatively, you may use and
* distribute under the terms of the XPL.
*
* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
* the licenses.
*
* This software 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 README
* file for more details.
*
*/
/*
* Written by Tuomas Lukka
*/
package org.gzigzag;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
public class CellFlob1 extends BoxedFlob {
public static final String rcsid = "$Id: CellFlob1.java,v 1.16 2001/03/18 17:50:16 bfallenstein Exp $";
public static final boolean dbg = true;
String s;
Font f;
// XXX Should this *really* need to be stored here?
FontMetrics fm;
/** Font height. */
int fh;
int fasc;
/** String width. */
int sw;
ZZCell strCell;
int xoffs = 0; // Previously, these margins where three, but at the moment
int yoffs = 0; // margins are cared for by the BoxTypes
static public final Dimension getSize(FontMetrics fm, String str,
int xoffs, int yoffs) {
int w = fm.stringWidth(str) + xoffs * 2 + 2;
int h = fm.getHeight() + 2*yoffs;
if(w < h) w = h;
return new Dimension( w, h );
}
public int getStrX(int ind) {
if(fm == null) throw new Error("No fontmetrics");
if(ind > s.length()) {
// XXX What to do?
return x + xoffs + fm.stringWidth(s);
}
return x + xoffs + fm.stringWidth(s.substring(0, ind)) ;
}
public void render(Graphics g, int mx, int my, int md, int mw, int mh) {
Shape oldClip = g.getClip();
g.clipRect(mx, my, mw, mh);
int ty = my + (mh-fh)/2 + fasc;
g.setFont(f);
g.drawString(s, mx+xoffs, ty);
g.setClip(oldClip);
}
public CellFlob1(int x, int y, int d, int w, int h,
ZZCell c, ZZCell strCell, String s,
Font f, FontMetrics fm) {
super(x, y, d, w, h, c);
// Not true, since c can be the flob cell and d the referring
// cell.
// this.s = c.getText();
this.s = (s==null? "" : s);
this.strCell = strCell;
this.f = f;
this.fm = fm;
this.fh = fm.getAscent()+fm.getDescent();
this.fasc = fm.getAscent()+fm.getLeading();
this.sw = fm.stringWidth(this.s);
}
public Object hit(int x0, int y0) {
if(!insideRect(x0, y0)) return null;
// Search for the right position in the string.
// We return a virtual cursor.
int ind = ZZUtil.findStringHit(s, x0-x-xoffs, fm);
return new ZZCursorVirtual(strCell, ind);
}
}