Java/Swing:低调的按钮高度? [英] Java/Swing: low-profile button height?

问题描述

我想减小 JButton 的垂直尺寸.以下代码适用于 K > 1，但我似乎无法减小大小.有什么建议吗?

I would like to reduce the vertical size of a JButton. The following code works fine for K > 1 but I can't seem to reduce the size. Any suggestions?

JButton button = /* ... get button here ... */
Dimension d = button.getPreferredSize();
d.setSize(d.getWidth(), d.getHeight()*K);
button.setPreferredSize(d);

我正在使用 JavaBuilders + MigLayout.看起来我必须做 button.setMaxSize(d); 而不是 setPreferredSize()，不知道为什么.

edit: I'm using JavaBuilders + MigLayout. It looks like I have to do button.setMaxSize(d); instead of setPreferredSize(), not sure why.

推荐答案

几个选项:

import java.awt.*;

public class FrameTest {
    public static void main(String[] args) {
        JFrame jf = new JFrame("Demo");
        jf.getContentPane().setLayout(new FlowLayout());

        // Ordinary button
        jf.add(new JButton("button 1"));

        // Smaller font
        jf.add(new JButton("button 2") {{ setFont(getFont().deriveFont(7f)); }});

        // Similar to your suggestion:
        jf.add(new JButton("button 3") {{
            Dimension d = getPreferredSize();
            d.setSize(d.getWidth(), d.getHeight()*.5);
            setPreferredSize(d);
        }});

        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jf.pack();
        jf.setVisible(true);
    }
}

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