comparison src/samer/core_/util/heavy/CommandField.java @ 0:bf79fb79ee13

Initial Mercurial check in.

+/*
+ *	CommandField.java	
+ *
+ *	Copyright (c) 2000, Samer Abdallah, King's College London.
+ *	All rights reserved.
+ *
+ *	This software is provided AS iS and WITHOUT ANY WARRANTY; 
+ *	without even the implied warranty of MERCHANTABILITY or 
+ *	FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+package samer.core.util.heavy;
+import  samer.core.*;
+import  java.awt.*;
+import  java.awt.event.*;
+import  java.io.*;
+
+public class CommandField extends TextField
+{
+	public CommandField(int w) 
+	{ 
+		super(w); 
+
+		setBackground( Shell.getColor("awt.input.console.background", Color.black));
+		setForeground( Shell.getColor("awt.input.console.foreground", Color.orange));
+		try {	setFont(X.font(Shell.datum("awt.input.console.font"),null)); }
+		catch (Exception ex) { /* ok if no font specified */ }
+		addActionListener(h);
+		addKeyListener(h);
+	}
+
+	static Handler h = new Handler();
+	static class Handler extends KeyAdapter implements ActionListener, java.io.Serializable
+	{
+		String last;
+
+		public void actionPerformed(ActionEvent e) {
+			Object o = e.getSource();
+			TextComponent tc = ((TextComponent)o);			
+			last=tc.getText();
+			Shell.print("> "+last);
+			Shell.interpret(new StringReader(last)); 
+			tc.setText("");
+		}
+
+		public void keyPressed(KeyEvent e) {
+			if (e.getKeyCode()==KeyEvent.VK_UP) {
+				Object o = e.getSource();
+				TextComponent tc = ((TextComponent)o);			
+				tc.setText(last);
+			}
+		}
+	}
+}
+