Package com.sun.jna.platform.dnd
Class GhostedDragImage
java.lang.Object
com.sun.jna.platform.dnd.GhostedDragImage
Provide a ghosted drag image for use during drags where
DragSource.isDragImageSupported() returns false.
Its location in screen coordinates may be changed via move(java.awt.Point).
When the image is no longer needed, invoke dispose(), which
hides the graphic immediately, or returnToOrigin(), which
moves the image to its original location and then disposes it.
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Constructor Summary
ConstructorsConstructorDescriptionGhostedDragImage(Component dragSource, Icon icon, Point initialScreenLoc, Point cursorOffset) Create a ghosted drag image, using the given icon. -
Method Summary
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Constructor Details
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GhostedDragImage
public GhostedDragImage(Component dragSource, Icon icon, Point initialScreenLoc, Point cursorOffset) Create a ghosted drag image, using the given icon.- Parameters:
dragSource- source of the dragicon- image to be drawninitialScreenLoc- initial screen location of the imagecursorOffset- offset of the cursor from the image origin
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Method Details
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setAlpha
public void setAlpha(float alpha) Set the transparency of the ghosted image.- Parameters:
alpha- transparency level
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dispose
public void dispose()Make all ghosted images go away. -
move
Move the ghosted image to the requested location.- Parameters:
screenLocation- Where to draw the image, in screen coordinates
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returnToOrigin
public void returnToOrigin()Animate the ghosted image returning to its origin.
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