Inventor/Xt/SoXtDirectionalLightEditor.h

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/*=======================================================================
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/*=======================================================================
** Author      : David Mott (MMM yyyy)
**=======================================================================*/
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/


#ifdef SOQT
#  include <Inventor/Qt/SoQtDirectionalLightEditor.h>
#elif defined _WIN32
#  include <Inventor/Win/SoWinDirectionalLightEditor.h>
#else // _WIN32

#ifndef _SO_XT_DIRECTIONAL_LIGHT_EDITOR_
#define _SO_XT_DIRECTIONAL_LIGHT_EDITOR_

#include <X11/Intrinsic.h>
#include <Xm/Xm.h>
#include <Inventor/SbBasic.h>
#include <Inventor/SbColor.h>
#include <Inventor/misc/SoCallbackList.h>
#include <Inventor/Xt/SoXtComponent.h>


class SoBase;
class SoCamera;
class SoDirectionalLight;
class SoDirectionalLightManip;
class SoDragger;
class SoGroup;
class SoNodeSensor;
class SoPath;
class SoPathList;
class SoPerspectiveCamera;
class SoSensor;
class SoSeparator;
class SoXtClipboard;
class SoXtColorEditor;
class SoXtColorSlider;
class SoXtRenderArea;


// callback function prototypes
typedef void SoXtDirectionalLightEditorCB(void *userData, const SoDirectionalLight *light);

//
//  Class: SoXtDirectionalLightEditor
//

class  SoXtDirectionalLightEditor : public SoXtComponent {
 public:
  SoXtDirectionalLightEditor(
                             SoWidget parent = NULL,
                             const char *name = NULL,
                             SbBool buildInsideParent = TRUE);
  ~SoXtDirectionalLightEditor();

  void                attach(SoPath *pathToLight);
  void                detach();
  SbBool              isAttached()    { return (dirLight != NULL); }

  void                setLight(const SoDirectionalLight &newLight);
  const SoDirectionalLight &getLight() const { return *dirLight; }

  inline void         addLightChangedCallback(
                                              SoXtDirectionalLightEditorCB *f,
                                              void *userData = NULL);
  inline void         removeLightChangedCallback(
                                                 SoXtDirectionalLightEditorCB *f,
                                                 void *userData = NULL);

  // Redefined here since there are two windows to deal with -
  // the color editor and the light manipulator
  virtual void        show();
  virtual void        hide();

 private:

  // This constructor takes a boolean whether to build the widget now.
  // Subclasses can pass FALSE, then call SoXtDirectionalLightEditor::buildWidget()
  // when they are ready for it to be built.
  SoEXTENDER
    SoXtDirectionalLightEditor(
                               SoWidget parent,
                               const char *name,
                               SbBool buildInsideParent,
                               SbBool buildNow);

  // redefine these
  virtual SbString    getDefaultWidgetName() const;
  virtual SbString    getDefaultTitle() const;
  virtual SbString    getDefaultIconTitle() const;

  SoDirectionalLight  *dirLight;          // light we are editing
  SoSeparator         *root;              // root of local scene graph
  SoSeparator         *litStuff;          // what's on display under thelight

  SoPerspectiveCamera *myCamera;
  SoCamera            *cameraToWatch;

  // components, manips, sensors
  SoXtColorEditor     *colorEditor;
  SoXtColorSlider     *intensitySlider;
  SoXtRenderArea      *renderArea;
  SoNodeSensor        *lightSensor;
  SoNodeSensor        *cameraSensor;
  SoDirectionalLightManip     *dirLightManip;
  static char         *geomBuffer;
  SbBool              ignoreCallback; // TRUE while callback should be ignored
  SoCallbackList      *callbackList;

  // Copy/paste support
  SoXtClipboard       *clipboard;

  // copy the src light values to the dst light values
  void                copyLight(SoDirectionalLight *dst,
                                const SoDirectionalLight *src);

  void                updateLocalComponents();

 private:
  // Callback routines from components and manipulators
  static void         colorEditorCB(void *, const SbColor *);
  static void         intensitySliderCB(void *, float);
  static void         pasteDoneCB(void *, SoPathList *);
  static void         dirLightManipCB(void *, SoDragger *);

  // Callback routines from Xt/Motif
  static void         menuPick(SoWidget, int, XmAnyCallbackStruct *);

  // Sensor callbacks
  static void         cameraSensorCB(SoXtDirectionalLightEditor *, SoSensor *);
  static void         lightSensorCB(SoXtDirectionalLightEditor *, SoSensor *);

  // Build routines
  SoWidget              buildWidget(SoWidget parent);
  SoWidget              buildPulldownMenu(SoWidget parent);

  static void visibilityChangeCB(void *pt, SbBool visible);
  void        activate();             // connects the sensor
  void        deactivate();           // disconnects the sensor

  // this is called by both constructors
  void constructorCommon(SbBool buildNow);

};

// Inline functions
void
SoXtDirectionalLightEditor::addLightChangedCallback(
                                                    SoXtDirectionalLightEditorCB *f,
                                                    void *userData)
{ callbackList->addCallback((SoCallbackListCB *) f, userData); }

void
SoXtDirectionalLightEditor::removeLightChangedCallback(
                                                       SoXtDirectionalLightEditorCB *f,
                                                       void *userData)
{ callbackList->removeCallback((SoCallbackListCB *) f, userData); }

#endif // _SO_XT_DIRECTIONAL_LIGHT_EDITOR_

#endif // _WIN32

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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