Java JButton Settings getPreferredButtonSize(AbstractButton b, int textIconGap)

Description

get Preferred Button Size

License

Open Source License

Declaration

public static Dimension getPreferredButtonSize(AbstractButton b, int textIconGap) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;

import java.awt.Insets;
import java.awt.Rectangle;

import javax.swing.*;

public class Main {
    public static Dimension getPreferredButtonSize(AbstractButton b, int textIconGap) {
        if (b.getComponentCount() > 0) {
            return null;
        }/*  ww  w.  ja v a  2  s .c  o  m*/

        Icon icon = (Icon) b.getIcon();
        String text = b.getText();

        Font font = b.getFont();
        FontMetrics fm = b.getFontMetrics(font);

        Rectangle iconR = new Rectangle();
        Rectangle textR = new Rectangle();
        Rectangle viewR = new Rectangle(Short.MAX_VALUE, Short.MAX_VALUE);

        SwingUtilities.layoutCompoundLabel((JComponent) b, fm, text, icon, b.getVerticalAlignment(),
                b.getHorizontalAlignment(), b.getVerticalTextPosition(), b.getHorizontalTextPosition(), viewR,
                iconR, textR, (text == null ? 0 : textIconGap));

        /* The preferred size of the button is the size of 
         * the text and icon rectangles plus the buttons insets.
         */

        Rectangle r = iconR.union(textR);

        Insets insets = b.getInsets();
        r.width += insets.left + insets.right;
        r.height += insets.top + insets.bottom;

        return r.getSize();
    }
}

Related

1. getHudControlShadowSize(AbstractButton button)
2. getIcon(AbstractButton b)
3. getListenedButtonsFor(Container c)
4. getMonospaceButton(final String text, final int size)
5. getPreferredButtonSize(AbstractButton b, int textIconGap)
6. getPressedButtonIcon(int x, int y)
7. getRadioButtonBorder(int fontSize, boolean ltr)
8. getSelectedButton(ButtonGroup group)
9. getSelectedButtonText(ButtonGroup buttonGroup)