File indexing completed on 2024-05-12 15:58:45

 /*
  *  SPDX-FileCopyrightText: 2016 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #ifndef __KIS_TIMED_SIGNAL_THRESHOLD_H
 #define __KIS_TIMED_SIGNAL_THRESHOLD_H
 
 #include "kritaimage_export.h"
 #include <QScopedPointer>
 #include <QObject>
 
 
 /**
  * Emits the timeout() signal if and only if the flow of start()
  * events has been coming for a consecutive \p delay of milliseconds.
  * If the events were not coming for \p cancelDelay of milliseconds the
  * counting is dropped and the new period is started.
  */
 class KRITAIMAGE_EXPORT KisTimedSignalThreshold : public QObject
 {
     Q_OBJECT
 public:
     KisTimedSignalThreshold(int delay, int cancelDelay = -1, QObject *parent = 0);
     ~KisTimedSignalThreshold() override;
 
 public Q_SLOTS:
     /**
      * Stops counting and emits the signal forcefully
      */
     void forceDone();
 
     /**
      * Start/continue counting and if the signal flow is stable enough
      * (longer than \p delay and shorter than \p cancelDelay), the
      * timeout signal in emitted.
      */
     void start();
 
     /**
      * Stops counting the signals flow
      */
     void stop();
 
     /**
      * Enable or disable emitting the signal
      */
     void setEnabled(bool value);
 
 
     /**
      * The peiod of time, after which the signal will be emitted
      */
     void setDelayThreshold(int delay, int cancelDelay = -1);
 
 Q_SIGNALS:
     void timeout();
 
 private:
     struct Private;
     const QScopedPointer<Private> m_d;
 };
 
 #endif /* __KIS_TIMED_SIGNAL_THRESHOLD_H */