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QCAD
Open Source 2D CAD
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Abstract base class for classes that are interested in being notified whenever a UCS has been added or changed. More...
#include <RUcsListener.h>
Public Member Functions | |
virtual void | clear ()=0 |
This method is called to signal that no document is currently active. | |
virtual void | update (RDocumentInterface *documentInterface)=0 |
This method is called whenever at least one UCS in the given document has changed. | |
virtual | ~RUcsListener () |
Abstract base class for classes that are interested in being notified whenever a UCS has been added or changed.
This can for example be a widget that lists all UCSs.
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inlinevirtual |
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pure virtual |
This method is called to signal that no document is currently active.
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pure virtual |
This method is called whenever at least one UCS in the given document has changed.