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Torque/SDK/lib/mayasdk6/include/maya/MPxSelectionContext.h

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+
+#ifndef _MPxSelectionContext
+#define _MPxSelectionContext
+//
+//-
+// ==========================================================================
+// Copyright  (C)  Alias Systems,  a division  of  Silicon Graphics  Limited.
+// All rights  reserved.  These coded  instructions,  statements and computer
+// programs  contain  unpublished information  proprietary to  Alias Systems,
+// a  division  of  Silicon  Graphics  Limited,  which  is  protected by  the
+// Canadian  and  US federal copyright law and  may not be disclosed to third
+// parties or  copied  or  duplicated,  in  whole  or in part,  without prior
+// written  consent  of Alias Systems, a division of Silicon Graphics Limited
+// ==========================================================================
+//+
+//
+// CLASS:    MPxSelectionContext
+//
+// *****************************************************************************
+//
+// CLASS DESCRIPTION (MPxSelectionContext)
+//
+//  This is the base class for contexts.
+//
+// *****************************************************************************
+
+#if defined __cplusplus
+
+// *****************************************************************************
+
+// INCLUDED HEADER FILES
+
+
+#include <maya/MPxContext.h>
+#include <maya/MPoint.h>
+
+// *****************************************************************************
+
+// DECLARATIONS
+
+class MString;
+
+// *****************************************************************************
+
+// CLASS DECLARATION (MPxSelectionContext)
+
+/// Base class for interative selection tools (OpenMayaUI)
+/**
+
+*/
+#ifdef _WIN32
+#pragma warning(disable: 4522)
+#endif // _WIN32
+
+class OPENMAYAUI_EXPORT MPxSelectionContext : public MPxContext
+{
+public:
+	///
+	MPxSelectionContext ();
+	///
+	virtual	~MPxSelectionContext ();
+
+	///
+	virtual MStatus		doPress ( MEvent & event );
+	///
+	virtual MStatus		doRelease ( MEvent & event );
+	///
+	virtual MStatus		doDrag ( MEvent & event );
+	///
+	virtual MStatus		doHold ( MEvent & event );
+	///
+	virtual MStatus     addManipulator( const MObject & manipulator );
+	///
+	virtual MStatus     deleteManipulators();
+	///
+	MStatus				setImage( const MString & image, ImageIndex index );
+	///
+	MStatus				getImage( MString & image, ImageIndex index ) const;
+
+protected:
+
+	// Thise methods determine whether the tool will select
+	// an object or operate on an object
+	///
+	bool        isSelecting();
+
+	// Get the world space location of the selection point
+	///
+	MPoint 		startPoint();		// point where dragging started
+	///
+	MPoint 		lastDragPoint();	// preview drag point (both in WS)
+
+
+	// Create an instance of a tool command for use in
+	// this context.
+	//
+	///
+	virtual MPxToolCommand *	newToolCommand();
+
+	virtual const char*	className() const;
+
+public:
+	// Temporarily putting these virtual functions at the end
+	///
+	virtual void		abortAction();
+	///
+	virtual bool		processNumericalInput( const MDoubleArray &values,
+											   const MIntArray &flags,
+											   bool isAbsolute );
+	///
+	virtual bool		feedbackNumericalInput() const;
+	///
+	virtual MSyntax::MArgType	argTypeNumericalInput( unsigned index ) const;
+	///
+	virtual	void		getClassName( MString & name ) const;
+
+private:
+
+};
+
+#ifdef _WIN32
+#pragma warning(default: 4522)
+#endif // _WIN32
+
+// *****************************************************************************
+#endif /* __cplusplus */
+#endif /* _MPxSelectionContext */