Files
gzz-mirror/Modules/nile/NileDemo.java
2026-09-14 20:19:29 -04:00

144 lines
4.2 KiB
Java

/*
NileDemo.java
*
* Copyright (c) 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.module;
import org.gzigzag.*;
import java.util.*;
import java.awt.*;
import java.io.*;
public class NileDemo {
public static final String rcsid = "$Id: NileDemo.java,v 1.3 2000/12/28 01:19:07 bfallenstein Exp $";
public static boolean dbg = false;
static void p(String s) { if(dbg) System.out.println(s); }
static void pa(String s) { System.out.println(s); }
/** Update the bindings etc.in the space.
* This is temporary and should go away once we have better
* space management.
*/
static void updateSpace(ZZCell code, ZZCell viewCell, ZZCell ctrlCell) {
// First, make sure the system list cell is ok
// and recreate actions.
ZZSpace sp = code.getSpace();
ZZCell t0 = ZZDefaultSpace.findOnSystemlist(sp, "Nile1", true);
ZZCell bind = t0.getOrNewCell("d.1", 1);
ZZCell rast = t0.getOrNewCell("d.2", 1);
bind.disconnect("d.1", 1);
bind = bind.N("d.1", 1);
Nile1.actions(bind);
rast.disconnect("d.1",1);
rast = rast.N("d.1");
rast.setText("Nile1View");
rast = rast.N("d.1");
rast.setText("Nile1.Normal");
rast = rast.s("d.1", -1); // go to the cell we need
// Then, update windows.
ZZCell datac = updateWin(sp, viewCell, rast, bind, false);
ZZCell ctrlc = updateWin(sp, ctrlCell, rast, bind, true);
if(datac != null && ctrlc != null) {
datac.excise("d.nile-wins"); ctrlc.excise("d.nile-wins");
ctrlc.connect("d.nile-wins", 1, datac);
datac.connect("d.nile-wins", 1, ctrlc);
}
}
static ZZCell updateWin(ZZSpace sp, ZZCell viewCell, ZZCell rast,
ZZCell bind, boolean ctrl) {
if(viewCell == null) return null;
// Make sure we have a window and update its
// binding and raster.
ZZCell win = null;
String title = ctrl ? "Nile1-Left" : "Nile1W";
int round = 0;
while(win == null) {
if(round > 1)
throw new ZZError("Couldn't create window");
round++;
win = ZZDefaultSpace.findOnSystemlist(sp, "Windows", false);
win = win.s("d.1");
win = win.findText("d.2", 1, title);
if(win == null)
ZZDefaultSpace.newToplevelView(sp,
title, ctrl ? 0 : 400, 20, 400, 400,
null, null, null, viewCell,
null, new Color(0x819fff));
}
// Then, set window bindings
win = win.s("d.1", 2);
ZZCell bcurs = win.getOrNewCell("d.bind", 1);
ZZCursorReal.set(bcurs, bind);
ZZCell viewsel = win.findText("d.2", 1, "View");
ZZCursorReal.set(viewsel, rast);
ZZCursorReal.setColor(viewsel, ZZUtil.perturb(Color.red));
return win;
}
static public ZZModule module = new ZZModule() {
public void action(String id,
ZZCell code,
ZZCell target,
ZZView view, ZZView cview, String key, Point pt, ZZScene xi) {
ZZUpdateManager.setFast(view);
ZZCell viewCell = view.getViewcell();
ZZCell otherCell = viewCell.s("d.nile-wins");
p("Nile action: "+id+" "+key);
StringTokenizer st = new StringTokenizer(id);
String[] toks = new String[st.countTokens()];
for(int i=0; i<toks.length; i++)
toks[i] = st.nextToken();
id = toks[0];
// Update the Nile stuff to the latest bindings (defined
// unfortunately in this file -- oh how I long for the day
// when they are in a ZZ space as the definitive version)
if(id.equals("UPDATE")) {
updateSpace(code, viewCell, null);
} else if(id.equals("UPDATEBOTH")) {
updateSpace(code, viewCell, cview.getViewcell());
} else if(id.equals("REGISTER")) {
ZZCell binds = code.N();
Nile1.actions(binds);
ApplitudeMgr.register(code.getSpace(), "Nile",
new String[] { "d.nile" },
"Nile1.Normal", binds);
}
}
};
}