lightSettings.h

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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//

#ifndef BALL_VIEW_DIALOGS_LIGHTSETTINGS_H
#define BALL_VIEW_DIALOGS_LIGHTSETTINGS_H

#ifndef BALL_COMMON_GLOBAL_H
# include <BALL/COMMON/global.h>
#endif

#ifndef BALL_VIEW_KERNEL_PREFERENCESENTRY
# include <BALL/VIEW/KERNEL/preferencesEntry.h>
#endif

#ifndef BALL_VIEW_KERNEL_STAGE_H
# include <BALL/VIEW/KERNEL/stage.h>
#endif

#include <BALL/VIEW/UIC/ui_lightSettings.h>

namespace BALL
{
  namespace VIEW
  {
    class Scene;

    class BALL_VIEW_EXPORT LightSettings 
      : public QWidget,
        public Ui_LightSettingsData,
        public PreferencesEntry
    { 
      Q_OBJECT

      public:

      LightSettings( QWidget* parent = 0, const char* name = "LightSettings", 
                    Qt::WFlags fl = 0 );

      ~LightSettings() {}

      void update();

      void updateFromStage();

      void apply();

      virtual void restoreDefaultValues(bool /*all*/ = false);

      void restoreValues(bool all);
      
      public slots:

      virtual void addLightPressed();

      virtual void colorPressed();
      
      virtual void defaultsPressed();
      
      virtual void lightSelected(QListWidgetItem* current_item, QListWidgetItem* previous_item);
      
      virtual void removeLightPressed();

      virtual void typeSelected();

      virtual void intensityChanged();

      virtual void positionTypeChanged();

      protected:

      void setPosition_(const Vector3& v);
      void setDirection_(const Vector3& v);
      void setAttenuation_(const Vector3& a);
      Vector3 getDirection_() throw(Exception::InvalidFormat);
      Vector3 getPosition_() throw(Exception::InvalidFormat);
      Vector3 getAttenuation_() throw(Exception::InvalidFormat);
      void setControlsEnabled_(bool state);
      Index getCurrentLightNumber_() const;

      void typeSelected_(Position type);
    
      //_ apply values to a light
      void saveSettingsToLight_();

      //_ show the values of a light, after selecting an other one
      void getValues_(Index light = -1);

      //_ empty all fields
      void clearFields_();

      Stage* stage_;

      //__ temporary copy of all lights
      vector<LightSource> lights_;

      //__ default lights
      vector<LightSource> default_lights_;
      
      bool ignore_;
      Index current_light_;
    };

  }
}

#endif

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