SoQtDirectionalLightEditor.h

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/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef _SO_QT_DIRECTIONAL_LIGHT_EDITOR_
#define _SO_QT_DIRECTIONAL_LIGHT_EDITOR_
#include <Inventor/Qt/OivQtCompat.h>
#include <Inventor/Qt/SoQtComponent.h>
#include <Inventor/misc/SoCallbackList.h>
 
class SbColor;
class SoDirectionalLight;
class SoSeparator;
class SoDirectionalLightManip;
class SoDragger;
class SoQtColorEditor;
class SoQtColorSlider;
class SoQtRenderArea;
class SoNodeSensor;
class QMenu;
class QAction;
class SoSensor;
class SoCamera;
class SoPerspectiveCamera;
class SoPath;
 
// callback function prototypes
typedef void SoQtDirectionalLightEditorCB(void *userData, const SoDirectionalLight *light);
 
 
//  Class: SoQtDirectionalLightEditor
 
class  SoQtDirectionalLightEditor : public SoQtComponent {
 
  Q_OBJECT
 
    public:
  SoQtDirectionalLightEditor( QWidget* parent = qApp->activeWindow(),
                              const char *name = NULL, 
                              SbBool buildInsideParent = TRUE);
  ~SoQtDirectionalLightEditor();
 
  void                attach(SoPath *pathToLight);
  void                detach();
  SbBool      isAttached()    { return (dirLight != NULL); }
 
  void setLight(const SoDirectionalLight &newLight);
  const SoDirectionalLight &getLight() const { return *dirLight; }
 
  void addLightChangedCallback (SoQtDirectionalLightEditorCB *f, 
                                void *userData = NULL)
    { callbackList->addCallback((SoCallbackListCB *) f, userData); }
  inline void removeLightChangedCallback (SoQtDirectionalLightEditorCB *f, 
                                          void *userData = NULL)
    { callbackList->removeCallback((SoCallbackListCB *) f, userData); }
 
  // Redefined here since there are two windows to deal with -
  // the color editor and the light manipulator
  virtual void show();
  virtual void hide();
 
 private:
  QWidget* mgrWidget;   // topmost widget
 
  // This constructor takes a boolean whether to build the widget now.
  // Subclasses can pass FALSE, then call SoQtDirectionalLightEditor::buildWidget()
  // when they are ready for it to be built.
  SoEXTENDER
    SoQtDirectionalLightEditor( QWidget* parent,
                                const char *name, 
                                SbBool buildInsideParent, 
                                SbBool buildNow);
 
  // redefine these
  virtual SbString getDefaultWidgetName() const;
  virtual SbString getDefaultTitle() const;
  virtual SbString getDefaultIconTitle() const;
    
  // Open Inventor parts
  SoDirectionalLight*      dirLight;              // light we are editing
  SoSeparator*             root;                  // root of local scene graph
  SoSeparator*             litStuff;            // what's on display under the light
  SoPerspectiveCamera*     myCamera;
  SoCamera*                cameraToWatch;
  SoNodeSensor*            lightSensor;
  SoNodeSensor*            cameraSensor;
  SoDirectionalLightManip* dirLightManip;
  static char*             geomBuffer;
    
  // UI parts
  SoQtColorEditor     *colorEditor;
  SoQtColorSlider* intensitySlider;
  SoQtRenderArea*  renderArea;    
  //    SoQtClipboard     *clipboard;
 
  // Calbacks
  SbBool              ignoreCallback; // TRUE while callback should be ignored
  SoCallbackList* callbackList;
    
  // Copy and updates
  void copyLight(SoDirectionalLight *dst, const SoDirectionalLight *src);
  void updateLocalComponents();
 
 private:
 
  // Build routines
  void constructorCommon(SbBool buildNow);
  QWidget* buildWidget(QWidget* parent);
  void activate();            // connects the sensor
  void deactivate();  // disconnects the sensor
 
  // Callbacks
  static void colorEditorCloseCB(void *userData, SoQtComponent *comp) ;
  static void colorEditorCB(void *, const SbColor *);
  static void dirLightManipCB(void *, SoDragger *);
  static void intensitySliderCB(void*, float);
  static void cameraSensorCB(SoQtDirectionalLightEditor *, SoSensor *);
  static void lightSensorCB(SoQtDirectionalLightEditor *, SoSensor *);
  static void dialogCloseCB(void*, SoQtComponent*);
 
  //qt variables
  QMenu* edit_menu;
  QAction* IDM_LEDT_COLOR_EDITOR;
 
  private Q_SLOTS:
  void visibilityChangeCB(SbBool visible);   
  void launchColorEditor();
  void copy();
  void paste();
  void showHelp();
  void keepOnTop();
  void slot_help();
};
 
#endif // _SO_QT_DIRECTIONAL_LIGHT_EDITOR_