ObjectOps

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These are the current operations in the Dia object vtable.

DestroyFunc

Called when the object is being destroyed.

DrawFunc

Called to draw the object.

DistanceFunc

Must return the distance from a point to the object.

SelectFunc^?

Called when the objects is selected.

CopyFunc^?

Called to copy an object.

MoveFunc^?

Called when the entire object is moved.

MoveHandleFunc

Called when one handle of the object is moved.

GetPropertiesFunc

Called to get a properties dialog for the object. Handled by StdProps.

ApplyPropertiesFunc

Called to set properties on the object from a properties dialog. Handled by StdProps.

ObjectMenuFunc^?

Must return the ObjectMenu^? for this object.

DescribePropsFunc

Must return a list of the properties the object has. Wrapper for StdProps.

GetPropsFunc

Called to get object values into a properties array. Wrapper for StdProps.

SetPropsFunc

Called to store values from a properties array into the object. Mostly wrapper for StdProps.

Many objects have an myobject_update_data function which updates the bounding box, handle positions and connection point positions after a change to the object. The various operations call this function to update the object state.

-- LarsClausen - 05 Sep 2002