JScrollPane鼠标滚轮区域 [英] JScrollPane mouse-wheel area

问题描述

我里面有一个JScrollPane和JPanel.我在需要时会看到滚动条，但只有在鼠标悬停在滚动条上时，鼠标滚轮才起作用.当鼠标指针(而不只是滚动条)位于整个面板上时，是否存在使鼠标滚轮工作的属性或其他功能?您知道，就像在浏览器中一样-即使鼠标指针不在滚动条上，您也可以滚动页面.

I have a JScrollPane and a JPanel inside. I see the scrollbars when needed, but the mouse wheeling works only when the mouse is over the scrollbars. Is there a property or something to make mouse wheeling work when the mouse pointer is over the whole panel, not just the scrollbars? You know like in browsers - you can scroll the page even if the mouse pointer is not over the scrollbars.

提前谢谢！

推荐答案

它适用于我(Java 6，Windows，包含JPanel的JScrollPane，将鼠标移到JPanel上).具有圆形100个像素边框的JPanel，最小尺寸为1000x1000，首选尺寸为(4000x4000).

It works for me (Java 6, Windows, JScrollPane containing a JPanel, mouse wheeling over JPanel). JPanel with rounded 100 pixel borders, min size 1000x1000, preferred size (4000x4000).

所以我想，您现有的代码会干扰您的工作.尝试一个单独的示例，然后重做您的应用.

So I guess, that your existing code interferes. Try a separate example, and then rework your app.

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