Class MouseInfo
java.lang.Object
java.awt.MouseInfo
MouseInfo
provides methods for getting information about the mouse,
such as mouse pointer location and the number of mouse buttons.- Since:
- 1.5
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Method Summary
Modifier and TypeMethodDescriptionstatic int
Returns the number of buttons on the mouse.static PointerInfo
Returns aPointerInfo
instance that represents the current location of the mouse pointer.
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Method Details
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getPointerInfo
Returns aPointerInfo
instance that represents the current location of the mouse pointer. TheGraphicsDevice
stored in thisPointerInfo
contains the mouse pointer. The coordinate system used for the mouse position depends on whether or not theGraphicsDevice
is part of a virtual screen device. For virtual screen devices, the coordinates are given in the virtual coordinate system, otherwise they are returned in the coordinate system of theGraphicsDevice
. SeeGraphicsConfiguration
for more information about the virtual screen devices. On systems without a mouse, returnsnull
.- Returns:
- location of the mouse pointer
- Throws:
HeadlessException
- if GraphicsEnvironment.isHeadless() returns true- Since:
- 1.5
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getNumberOfButtons
Returns the number of buttons on the mouse. On systems without a mouse, returns-1
. The number of buttons is obtained from the AWT Toolkit by requesting the"awt.mouse.numButtons"
desktop property which is set by the underlying native platform.- Returns:
- number of buttons on the mouse
- Throws:
HeadlessException
- if GraphicsEnvironment.isHeadless() returns true- Since:
- 1.5
- See Also:
-