Java JScrollPane defaultGetAutoscrollInsets(JComponent comp)

Description

default Get Autoscroll Insets

License

Open Source License

Declaration

public static Insets defaultGetAutoscrollInsets(JComponent comp) 

Method Source Code

//package com.java2s;
/*/*from  w w w.  j  a va  2  s  .co m*/
 * 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.Dimension;

import java.awt.Insets;

import java.awt.Rectangle;

import javax.swing.JComponent;

public class Main {
    final static int AUTOSCROLL_INSET_SIZE = 20;

    public static Insets defaultGetAutoscrollInsets(JComponent comp) {
        Rectangle visible = comp.getVisibleRect();
        Dimension size = comp.getSize();
        int top = 0, left = 0, bottom = 0, right = 0;

        if (visible.y > 0) {
            top = visible.y + AUTOSCROLL_INSET_SIZE;
        }

        if (visible.x > 0) {
            left = visible.x + AUTOSCROLL_INSET_SIZE;
        }

        if (visible.y + visible.height < size.height) {
            bottom = size.height - visible.y - visible.height + AUTOSCROLL_INSET_SIZE;
        }

        if (visible.x + visible.width < size.width) {
            right = size.width - visible.x - visible.width + AUTOSCROLL_INSET_SIZE;
        }

        return new Insets(top, left, bottom, right);
    }
}

Related

1. buildLabeledScroller(String label, Component contents)
2. createJScrollPane(JComponent component)
3. createScrollPane(JComponent content)
4. createSelfManagedScrollPane(final Component view, final JComponent parentToRevalidate)
5. defaultAutoScroll(JComponent comp, Point cursorLocn)
6. findScrollPane(Component c)
7. findScrollPane(Component component)
8. getContainingScroll(Component comp)
9. getMessageScrollPane(String message)