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       SoDirectionalLightManip -

       The SoDirectionalLightManip class is used to manipulate SoDirectionalLight nodes.


       #include <Inventor/manips/SoDirectionalLightManip.h>

       Inherits SoDirectionalLight.

   Public Member Functions
       SoDirectionalLightManip (void)
       SoDragger * getDragger (void)
       SbBool replaceNode (SoPath *path)
       SbBool replaceManip (SoPath *path, SoDirectionalLight *newone) const
       virtual void doAction (SoAction *action)
       virtual void callback (SoCallbackAction *action)
       virtual void GLRender (SoGLRenderAction *action)
       virtual void getBoundingBox (SoGetBoundingBoxAction *action)
       virtual void getMatrix (SoGetMatrixAction *action)
       virtual void handleEvent (SoHandleEventAction *action)
       virtual void pick (SoPickAction *action)
       virtual void search (SoSearchAction *action)
       virtual SoChildList * getChildren (void) const

   Static Public Member Functions
       static void initClass (void)

   Protected Member Functions
       virtual ~SoDirectionalLightManip (void)
       void setDragger (SoDragger *newdragger)
       virtual void copyContents (const SoFieldContainer *fromfc, SbBool copyconnections)

   Static Protected Member Functions
       static void transferFieldValues (const SoDirectionalLight *from, SoDirectionalLight *to)
       static void valueChangedCB (void *f, SoDragger *d)
       static void fieldSensorCB (void *f, SoSensor *d)

   Protected Attributes
       SoFieldSensor * directionFieldSensor
       SoFieldSensor * colorFieldSensor
       SoChildList * children

Detailed Description

       The SoDirectionalLightManip class is used to manipulate SoDirectionalLight nodes.

       A manipulator is used by replacing the node you want to edit in the graph with the
       manipulator. Draggers are used to manipulate the node. When manipulation is finished, the
       node is put back into the graph, replacing the manipulator.

Constructor & Destructor Documentation

   SoDirectionalLightManip::SoDirectionalLightManip (void) The constructor sets up the internal
       SoDiretionalLightDragger used by the manipulator.
   SoDirectionalLightManip::~SoDirectionalLightManip (void) [protected, virtual] Destructor.
       Clean up resources used by manipulator.

Member Function Documentation

   void SoDirectionalLightManip::initClass (void) [static] Sets up initialization for data common
       to all instances of this class, like submitting necessary information to the Coin type
       Reimplemented from SoDirectionalLight.

   SoDragger * SoDirectionalLightManip::getDragger (void) Return pointer to internal
       SoDirectionalLightDragger dragger.
   SbBool SoDirectionalLightManip::replaceNode (SoPath *path) Replaces the node specified by path
       with this manipulator. The manipulator will copy the field data from the node, to make it
       affect the state in the same way as the node.
   SbBool SoDirectionalLightManip::replaceManip (SoPath *path, SoDirectionalLight *newone) const
       Replaces this manipulator from the position specified by path with newnode. If newnode is
       NULL, an SoDirectionalLight will be created for you.
   void SoDirectionalLightManip::doAction (SoAction *action) [virtual] This function performs the
       typical operation of a node for any action.
       Reimplemented from SoNode.

   void SoDirectionalLightManip::callback (SoCallbackAction *action) [virtual] Action method for
       Simply updates the state according to how the node behaves for the render action, so the
       application programmer can use the SoCallbackAction for extracting information about the
       scene graph.

       Reimplemented from SoLight.

   void SoDirectionalLightManip::GLRender (SoGLRenderAction *action) [virtual] Action method for
       the SoGLRenderAction.
       This is called during rendering traversals. Nodes influencing the rendering state in any
       way or who wants to throw geometry primitives at OpenGL overrides this method.

       Reimplemented from SoDirectionalLight.

   void SoDirectionalLightManip::getBoundingBox (SoGetBoundingBoxAction *action) [virtual] Action
       method for the SoGetBoundingBoxAction.
       Calculates bounding box and center coordinates for node and modifies the values of the
       action to encompass the bounding box for this node and to shift the center point for the
       scene more towards the one for this node.

       Nodes influencing how geometry nodes calculates their bounding box also overrides this
       method to change the relevant state variables.

       Reimplemented from SoNode.

   void SoDirectionalLightManip::getMatrix (SoGetMatrixAction *action) [virtual] Action method
       for SoGetMatrixAction.
       Updates action by accumulating with the transformation matrix of this node (if any).

       Reimplemented from SoNode.

   void SoDirectionalLightManip::handleEvent (SoHandleEventAction *action) [virtual] Action
       method for SoHandleEventAction.
       Inspects the event data from action, and processes it if it is something which this node
       should react to.

       Nodes influencing relevant state variables for how event handling is done also overrides
       this method.

       Reimplemented from SoNode.

   void SoDirectionalLightManip::pick (SoPickAction *action) [virtual] Action method for
       Does common processing for SoPickAction action instances.

       Reimplemented from SoNode.

   void SoDirectionalLightManip::search (SoSearchAction *action) [virtual] Action method for
       Compares the search criteria from the action to see if this node is a match. Searching is
       done by matching up all criteria set up in the SoSearchAction -- if any of the requested
       criteria is a miss, the search is not deemed successful for the node.

       See also:

       Reimplemented from SoNode.

   SoChildList * SoDirectionalLightManip::getChildren (void) const [virtual] Returns the children
       of this node. This node only has the dragger as a child.
       Reimplemented from SoNode.

   void SoDirectionalLightManip::setDragger (SoDragger *newdragger) [protected] Set dragger to be
       used by this manipulator.
   void SoDirectionalLightManip::copyContents (const SoFieldContainer *from,
       SbBoolcopyconnections) [protected, virtual] Makes a deep copy of all data of from into
       this instance, except external scenegraph references if copyconnections is FALSE.
       This is the protected method that should be overridden by extension node / engine /
       dragger / whatever subclasses which needs to account for internal data that are not
       handled automatically.

       For copying nodes from application code, you should not invoke this function directly, but
       rather call the SoNode::copy() function:

         SoNode * mynewnode = templatenode->copy();

       The same also goes for engines.

       Make sure that when you override the copyContents() method in your extension class that
       you also make it call upwards to it's parent superclass in the inheritance hierarchy, as
       copyContents() in for instance SoNode and SoFieldContainer does important work. It should
       go something like this:

         MyCoinExtensionNode::copyContents(const SoFieldContainer * from,
                                           SbBool copyconnections)
           // let parent superclasses do their thing (copy fields, copy
           // instance name, etc etc)
           SoNode::copyContents(from, copyconnections);

           // [..then copy internal data..]

       Reimplemented from SoNode.

   void SoDirectionalLightManip::transferFieldValues (const SoDirectionalLight *from,
       SoDirectionalLight *to) [static, protected] Copies field values.
   void SoDirectionalLightManip::valueChangedCB (void *m, SoDragger *dragger) [static, protected]
       This API member is considered internal to the library, as it is not likely to be of
       interest to the application programmer.
       Convert from matrix to direction.

   void SoDirectionalLightManip::fieldSensorCB (void *m, SoSensor *d) [static, protected] This
       API member is considered internal to the library, as it is not likely to be of interest to
       the application programmer.

Member Data Documentation

   SoFieldSensor * SoDirectionalLightManip::directionFieldSensor [protected] This API member is
       considered internal to the library, as it is not likely to be of interest to the
       application programmer.
   SoFieldSensor * SoDirectionalLightManip::colorFieldSensor [protected] This API member is
       considered internal to the library, as it is not likely to be of interest to the
       application programmer.
   SoChildList * SoDirectionalLightManip::children [protected] This API member is considered
       internal to the library, as it is not likely to be of interest to the application


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