从JScrollPane中的Swing Scrollbar中删除箭头 [英] Remove Arrows from Swing Scrollbar in JScrollPane

问题描述

我想从JScrollPane中的滚动条中删除滚动条箭头按钮。我该怎么做？

I would like to remove the scrollbar arrow buttons from a scrollbar in a JScrollPane. How would I do this?

推荐答案

class NoArrowScrollBarUI extends BasicScrollBarUI {


protected JButton createZeroButton() {
    JButton button = new JButton("zero button");
    Dimension zeroDim = new Dimension(0,0);
    button.setPreferredSize(zeroDim);
    button.setMinimumSize(zeroDim);
    button.setMaximumSize(zeroDim);
    return button;
}

@Override
protected JButton createDecreaseButton(int orientation) {
    return createZeroButton();
}

@Override
protected JButton createIncreaseButton(int orientation) {
    return createZeroButton();
}


@Override
protected void paintTrack(Graphics g, JComponent c, Rectangle trackBounds) {
    //own painting if needed
}

@Override
protected void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds) {
    //own painting if needed
}

}

删除按钮可以留出空间。我发现make按钮为零是最简单的方法。

Removing buttons let space for then. I found make buttons zero as the simplest way.

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