QtThreadClosure.h

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#pragma once
#include <QThread>
#include <misc/gen/TClosure.h>
 
namespace sf
{

class QtThreadClosure
  : public QThread
  , public TClosure<void, QThread&, QObject*>
{
  public:
    explicit QtThreadClosure(QObject* parent = nullptr);

    explicit QtThreadClosure(const func_type& f, QObject* parent = nullptr);
 
    ~QtThreadClosure() override;
 
  protected:
    void run() override;
};
 
inline QtThreadClosure::QtThreadClosure(QObject* parent)
  : QThread(parent)
  , TClosure<void, QThread&, QObject*>()
{}
 
inline QtThreadClosure::QtThreadClosure(const func_type& f, QObject* parent)
  : QThread(parent)
  , TClosure<void, QThread&, QObject*>(f)
{}
 
inline QtThreadClosure::~QtThreadClosure()
{
  quit();
  requestInterruption();
  wait();
}
 
inline void QtThreadClosure::run()
{
  // Only call when assigned.
  if (isAssigned())
  {
    // Object serves a parent for objects created in the thread itself.
    QObject threadParent;
    // Run the thread function/method.
    call(*this, &threadParent);
  }
}
 
}// namespace sf