Inventor/SoProgressIndicator.h

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**=======================================================================*/
/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
#pragma once

#include <Inventor/SbEventArg.h>
#include <Inventor/SbEventHandler.h>

class  SoProgressIndicator
{

public:
  SoProgressIndicator() {};

  virtual ~SoProgressIndicator() {};

  struct  TaskEventArg : public SbEventArg
  {
    TaskEventArg(SoNode* src, const SbString& eventName, unsigned int numTasks, unsigned int numTasksDone, unsigned int numSubTasks );
    ~TaskEventArg();

    SoNode* getSource() const;

    const SbString& getEventName() const;

    /* @return number of tasks that will be done by the SoNode. */
    unsigned int getNumTasks() const;

    /* @return total number of tasks done since the beginning. */
    unsigned int getNumTasksDone() const;

    /* @return number of subtasks that will be executed during this task. */
    unsigned int getNumSubTasks() const;

  private:
    unsigned int m_numTasksDone;

  private:
    SoNode* m_src;
    SbString* m_eventName; // unique
    unsigned int m_numTasks;
    unsigned int m_numSubTasks;
  };

  struct  SubTaskEventArg : public SbEventArg
  {
    SubTaskEventArg(SoNode* src, const SbString& eventName, unsigned int numSubTasks, unsigned int numSubTasksDone, unsigned int numSteps);

    ~SubTaskEventArg();

    SoNode* getSource() const;

    const SbString& getEventName() const;

    /* @return number of subtask that will be done by the parent task. */
    unsigned int getNumSubTasks() const;

    /* @return total number of subtasks done since task beginning. */
    unsigned int getNumSubTasksDone() const;

    /* @return number of steps(iterations) that will be executed during this subtask. */
    unsigned int getNumSteps() const;

  private:
    unsigned int m_numSubTasksDone;

  private:
    SoNode* m_src;
    SbString* m_eventName; // unique
    unsigned int m_numSubTasks;
    unsigned int m_numSteps;
  };

  struct  StepEventArg : public SbEventArg
  {
    StepEventArg(SoNode* src, const SbString& eventName, unsigned int numSteps, unsigned int numStepsDone);

    ~StepEventArg();

    SoNode* getSource() const;

    const SbString& getEventName() const;

    /* @return number of steps that will be done by the parent subtask. */
    unsigned int getNumSteps() const;

    /* @return total number of steps(iterations) done since subtask beginning. */
    unsigned int getNumStepsDone() const;

  private:
    unsigned int m_numStepsDone;

  private:
    SoNode* m_src;
    SbString* m_eventName; // unique
    unsigned int m_numSteps;
  };

  SbEventHandler<TaskEventArg&> onBeginTask;

  SbEventHandler<TaskEventArg&> onEndTask;

  SbEventHandler<SubTaskEventArg&> onBeginSubTask;

  SbEventHandler<SubTaskEventArg&> onEndSubTask;

  SbEventHandler<StepEventArg&> onEndStep;
};

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Open Inventor Toolkit reference manual, generated on 12 Feb 2024
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