用不同的渐变重新绘制摆动按钮 [英] repaint swing button with different gradient

问题描述

如何在单击时使用不同的渐变重新绘制 JButton.我已经覆盖了paintComponent(Graphics) 方法来进行初始绘制.Onclick 我想重新绘制它，但我不希望用户在 actionperformed 事件中这样做，因为我希望它成为一个独立的组件.

How can I repaint a JButton with a different gradient when it is clicked. I have overridden the paintComponent(Graphics) method to do the initial paint. Onclick I want to repaint it but I dont want the user to be doing this in the actionperformed event as I want this to be a standalone component.

关于如何实现这一点的任何想法.

Any ideas how this can be achieved.

谢谢

推荐答案

最简单的方法是使用 setPressedIcon()，但你也可以覆盖paint() 在 ButtonUI 委托，如本示例所示.

The easiest approach is to use setPressedIcon(), but you can also override paint() in the ButtonUI delegate, as shown in this example.

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