Java JButton Settings getTextXOffset(AbstractButton c)

Description

get Text X Offset

License

Open Source License

Declaration

public static int getTextXOffset(AbstractButton c) 

Method Source Code

//package com.java2s;
/*/*from   w  w w  .  ja v  a  2  s .  c  om*/
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

import java.awt.*;

import javax.swing.*;
import javax.swing.border.Border;

public class Main {
    public static int getTextXOffset(AbstractButton c) {
        int xoffset = c.getPreferredSize().width;

        Border b = c.getBorder();
        if (b != null) {
            xoffset -= b.getBorderInsets(c).right;
        }

        //   Insets m = c.getMargin();
        //   if (m != null) {
        //       xoffset -= m.right;
        //   }

        String text = c.getText();
        if (text != null) {
            xoffset -= c.getFontMetrics(c.getFont()).stringWidth(text);
        }

        return xoffset;
    }

    /**
     * Gets the preferred size of the given {@code Window}.  If the given {@code
     * Window} is a {@code JFrame} or a {@code JDialog}, and its glass pane is
     * visible, the glass pane's preferred size will be accounted for as well
     * ({@code Window.getPreferredSize} does not take the glass pane into
     * consideration).
     */
    public static Dimension getPreferredSize(Window window) {
        Dimension pSize = window.getPreferredSize();

        Component glass = null;
        Component content = null;

        if (window instanceof JFrame) {
            JFrame frame = (JFrame) window;
            glass = frame.getGlassPane();
            content = frame.getContentPane();
        } else if (window instanceof JDialog) {
            JDialog dialog = (JDialog) window;
            glass = dialog.getGlassPane();
            content = dialog.getContentPane();
        }

        if (glass != null && glass.isVisible()) {
            Dimension cpSize = content.getPreferredSize();
            content.setPreferredSize(glass.getPreferredSize());

            Dimension newPSize = window.getPreferredSize();

            pSize.width = Math.max(pSize.width, newPSize.width);
            pSize.height = Math.max(pSize.height, newPSize.height);

            // Restore previous preferred size, if any
            content.setPreferredSize(cpSize);
        }

        return pSize;
    }
}

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