/* Copyright (C) 2005-2011 Fabio Riccardi */
package com.lightcrafts.ui.operation;
import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseMotionAdapter;
// A translucent overlay component that OpControls place on top of their
// other controls when they are in locked mode, to give a grayed look and to
// intercept input events.
class LockedOverlay extends JPanel {
private final static Color OverlayColor = new Color(128, 128, 128, 128);
LockedOverlay() {
// Swallow events so they don't propagate to underlying widgets.
addMouseListener(new MouseAdapter() {});
addMouseMotionListener(new MouseMotionAdapter() {});
setOpaque(false);
}
protected void paintComponent(Graphics g) {
Color oldColor = g.getColor();
g.setColor(OverlayColor);
Dimension size = getSize();
g.fillRect(0, 0, size.width, size.height);
g.setColor(oldColor);
}
}