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					       SoXtDirectionalLightEditor(3IV)

NAME
     SoXtDirectionalLightEditor (SoXtDirLtEd) - component for editing
     directional lights

INHERITS FROM
     SoXtComponent > SoXtDirectionalLightEditor

SYNOPSIS
     #include <Inventor_c/Xt/SoXtDirectionalLightEditor.h>

     typedef void	 SoXtDirectionalLightEditorCB(void *userData, const
			      SoDirectionalLight *light)
     typedef SoXtDirectionalLightEditor
			 SoXtDirLtEd

	  Functions from class SoXtDirectionalLightEditor:

     SoXtDirectionalLightEditor *
				 SoXtDirLtEdCreate(Widget parent = NULL, const
				      char *name = NULL, SbBool
				      buildInsideParent = TRUE)
     void			 SoXtDirLtEdDelete(SoXtDirLtEd *this)
     void			 SoXtDirLtEdAttach(SoXtDirLtEd *this, SoPath
				      *pathToLight)
     void			 SoXtDirLtEdDetach(SoXtDirLtEd *this)
     SbBool			 SoXtDirLtEdIsAttached(SoXtDirLtEd *this)
     void			 SoXtDirLtEdAddLtChangedCB(SoXtDirLtEd *this,
				      SoXtDirectionalLightEditorCB *f, void
				      *userData = NULL)
     void			 SoXtDirLtEdRemoveLtChangedCB(SoXtDirLtEd
				      *this, SoXtDirectionalLightEditorCB *f,
				      void *userData = NULL)
     void			 SoXtDirLtEdSetLt(SoXtDirLtEd *this, const
				      SoDirectionalLight *newLight)
     const SoDirectionalLight *	 SoXtDirLtEdGetLt(const SoXtDirLtEd *this)

	  Functions from class SoXtComponent:

     void		 SoXtDirLtEdShow(SoXtDirLtEd *this)
     void		 SoXtDirLtEdHide(SoXtDirLtEd *this)
     SbBool		 SoXtDirLtEdIsVisible(SoXtDirLtEd *this)
     Widget		 SoXtDirLtEdGetWidget(const SoXtDirLtEd *this)
     SbBool		 SoXtDirLtEdIsTopLevelShell(const SoXtDirLtEd *this)
     Widget		 SoXtDirLtEdGetShellWidget(const SoXtDirLtEd *this)
     Widget		 SoXtDirLtEdGetParentWidget(const SoXtDirLtEd *this)
     void		 SoXtDirLtEdSetSize(SoXtDirLtEd *this, const SbVec2s
			      *size)
     SbVec2s		 SoXtDirLtEdGetSize(SoXtDirLtEd *this)
     Display *		 SoXtDirLtEdGetDisplay(SoXtDirLtEd *this)
     void		 SoXtDirLtEdSetTitle(SoXtDirLtEd *this, const char
			      *newTitle)

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SoXtDirectionalLightEditor(3IV)

     const char *	 SoXtDirLtEdGetTitle(const SoXtDirLtEd *this)
     void		 SoXtDirLtEdSetIconTitle(SoXtDirLtEd *this, const char
			      *newIconTitle)
     const char *	 SoXtDirLtEdGetIconTitle(const SoXtDirLtEd *this)
     void		 SoXtDirLtEdSetWinCloseCB(SoXtDirLtEd *this,
			      SoXtComponentCB *func, void *data = NULL)
     SoXtComponent *	 SoXtDirLtEdGetComp(Widget w)
     const char *	 SoXtDirLtEdGetWidgetName(const SoXtDirLtEd *this)
     const char *	 SoXtDirLtEdGetClassName(const SoXtDirLtEd *this)

DESCRIPTION
     This class is used to edit an SoDirectionalLight node (color, intensity,
     and direction are changed). In addition to directly editing directional
     light nodes, the editor can also be used with callbacks which will be
     called whenever the light is changed. The component consists of a render
     area and a value slider in the main window, with controls to display a
     color picker. In the render area there appears a sphere representing the
     world, and a directional light manipulator representing the direction of
     the light. Picking on the manipulator and moving the mouse provides
     direct manipulation of the light direction. The color picker is used to
     edit the color, and the value slider edits the intensity.

     The editor can currently be attached to only one light at a time.
     Attaching to two different lights will automatically detach the first one
     before attaching the second.

FUNCTIONS
     SoXtDirectionalLightEditor *
				 SoXtDirLtEdCreate(Widget parent = NULL, const
				      char *name = NULL, SbBool
				      buildInsideParent = TRUE)
     void			 SoXtDirLtEdDelete(SoXtDirLtEd *this)
	  Constructor and destructor.

     void			 SoXtDirLtEdAttach(SoXtDirLtEd *this, SoPath
				      *pathToLight)
     void			 SoXtDirLtEdDetach(SoXtDirLtEd *this)
	  Attach/detach the editor to/from a directional light. When attached,
	  changes made in the editor directly affect the attached light.

     SbBool			 SoXtDirLtEdIsAttached(SoXtDirLtEd *this)
	  Returns TRUE if the editor is attached.

     void			 SoXtDirLtEdAddLtChangedCB(SoXtDirLtEd *this,
				      SoXtDirectionalLightEditorCB *f, void
				      *userData = NULL)
     void			 SoXtDirLtEdRemoveLtChangedCB(SoXtDirLtEd
				      *this, SoXtDirectionalLightEditorCB *f,
				      void *userData = NULL)
	  Additional way of using the directional light editor, by registering
	  a callback and setting the light.

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					       SoXtDirectionalLightEditor(3IV)

     void			 SoXtDirLtEdSetLt(SoXtDirLtEd *this, const
				      SoDirectionalLight *newLight)
     const SoDirectionalLight *	 SoXtDirLtEdGetLt(const SoXtDirLtEd *this)
	  Set new light values, and get the current light values.

SEE ALSO
     SoXtComponent, SoDirectionalLight

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