GPMouseInteractor

Unit : GPInteractorUnit
Association : GPMouseInteractorAsn
Inherits from : GPEventInteractor

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Description

This class attaches behavior so that the program responds when the user uses the mouse. It must be installed on a GPDrawingArea using the InstallInteractor method.

Public Interface

CONSTRUCTOR Init;
Initializes a GPMouseInteractor.

DESTRUCTOR Destroy; VIRTUAL;
Destroys a GPMouseInteractor.

PROCEDURE ButtonDown (pt: GPPoint); VIRTUAL;
Called when one of the mouse buttons is pressed down. pt is set to the position on the screen where the mouse pointer is located.

PROCEDURE ButtonUp (pt: GPPoint); VIRTUAL;
Called when one of the mouse buttons is released from the down position. pt is set to the position on the screen where the mouse pointer is located.

PROCEDURE ButtonMotion (pt: GPPoint); VIRTUAL;
Called when the mouse is moving while one of the mouse buttons is being held down. pt is set to the position on the screen where the mouse pointer is located.

PROCEDURE MouseMotion(pt: GPPoint); VIRTUAL;
Called when the mouse is moving, regardless of the status of the mouse button. pt is set to the position on the screen where the mouse pointer is located.

Subclasses

None

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