Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright appNativa Inc. All Rights Reserved.
 *
 * This file is part of the Real-time Application Rendering Engine (RARE).
 *
 * RARE is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

import java.awt.Component;

import java.awt.Container;

import javax.swing.JComponent;

public class Main {
    private static boolean focusFirstFocusableChild(Container c) {
        int len = c.getComponentCount();

        for (int i = 0; i < len; i++) {
            if (focusFirstFocusableComponent(c)) {
                return true;
            }
        }

        return false;
    }

    public static boolean focusFirstFocusableComponent(Component c) {
        if (c == null) {
            return false;
        }

        if (c instanceof JComponent) {
            if (((JComponent) c).isRequestFocusEnabled() && c.requestFocusInWindow()) {
                return true;
            }
        }

        if (c.isFocusable() && c.requestFocusInWindow()) {
            return true;
        }

        if (!(c instanceof Container)) {
            return false;
        }

        return focusFirstFocusableChild((Container) c);
    }
}