QbWidgetController.h

#ifndef QBWIDGETCONTROLLER_H
#define QBWIDGETCONTROLLER_H

#include "QbWidget.h"

class QbWidget;

class QbWidgetController : public SoSeparator {
  SO_NODE_HEADER(QbWidgetController);
  typedef SoSeparator inherited;

 public:
  static void initClass(void);
  QbWidgetController(void);

  SoSFNode camera;
  SoSFVec2s windowSize; // field for SbViewportRegion (values for ViewportSize etc cannot be set as field yet)
  void setViewportRegion(const SbViewportRegion & vpreg);
  const SbViewportRegion & getViewportRegion(void);

  virtual void handleEvent(SoHandleEventAction * action);

  SoSFNode widgetWithFocus;

  QbWidget * getWidgetWithFocus();
  QbWidget * getWidgetWithHover();
  QbWidget * getWidgetBeingClicked();

  /* functions for focussing - used by QbWidget
    do not use directly, use QbWidget::focus()/unFocus() instead
  */
  void widgetGotFocus(QbWidget *widget);
  void widgetLostFocus(QbWidget *widget);

  /* functions for unclick and unhover - used by QbWidget's destructor
    do not use directly, use QbWidget::focus()/unFocus() instead
  */
  void widgetCanceledClick(QbWidget *widget);
  void widgetLostHover(QbWidget *widget);

  // overwrite for QbWidget::setWidgetController
  virtual void addChild(SoNode * node);
  virtual void insertChild(SoNode *child, int newchildindex);
  virtual void replaceChild(int index, SoNode *newchild);
  virtual void replaceChild(SoNode *oldchild, SoNode *newchild);

  void assignTo(SoNode *subgraph);

  virtual void notify(SoNotList * list);

private:
  SbViewportRegion viewport;
  QbWidget * widgetWithHover;
  QbWidget * widgetBeingClicked;
  SoCamera * lastCamera;
};


inline const SbViewportRegion & QbWidgetController::getViewportRegion() {
  return viewport;
}

inline QbWidget * QbWidgetController::getWidgetWithHover() {
  return widgetWithHover;
}

inline QbWidget * QbWidgetController::getWidgetBeingClicked() {
  return widgetBeingClicked;
}

#endif

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