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jdk1.4中如何响应鼠标中间滚轮滚动消息（100分）？
来源: 互联网 发布时间：2015-10-06
本文导语: jdk1.4中，一个extends JComponent 如何响应鼠标中间滚轮滚动消息及得到当前行位置，好通知另一独立new出的scroll bar跟随滚动？ | MouseWhellEvent: Method Summary: int getScrollAmount() ...
jdk1.4中，一个extends JComponent 如何响应鼠标中间滚轮滚动消息及得到当前行位置，好通知另一独立new出的scroll bar跟随滚动？
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MouseWhellEvent:
Method Summary:
int getScrollAmount()
Return the number of units that should be scrolled in response to this event
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int getScrollType()
Returns the type of scrolling that should take place in response to this event
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int getUnitsToScroll()
This is a convenience method to aid in the implementation of the common-case MouseWheelListener - to scroll a ScrollPane or JScrollPane by an amount which conforms to the platform settings
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int getWheelRotation()
Returns the number of "clicks" the mouse wheel was rotated.
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String paramString()
Returns a parameter string identifying this event.
Method Summary:
int getScrollAmount()
Return the number of units that should be scrolled in response to this event
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int getScrollType()
Returns the type of scrolling that should take place in response to this event
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int getUnitsToScroll()
This is a convenience method to aid in the implementation of the common-case MouseWheelListener - to scroll a ScrollPane or JScrollPane by an amount which conforms to the platform settings
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int getWheelRotation()
Returns the number of "clicks" the mouse wheel was rotated.
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String paramString()
Returns a parameter string identifying this event.
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响应滚轴就是响应键盘上的PageUp和PageDown的键盘事件。
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JDK1.4中提供了MouseWheelEvent和MouseWheelListener
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