File indexing completed on 2024-05-19 04:29:16

 /*
  *  SPDX-FileCopyrightText: 2019 Dmitry Kazakov <dimula73@gmail.com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "KisMouseClickEater.h"
 
 #include <QMouseEvent>
 #include "kis_debug.h"
 
 KisMouseClickEater::KisMouseClickEater(Qt::MouseButtons buttons,
                                        int clicksToEat,
                                        QObject *parent)
     : QObject(parent),
       m_buttons(buttons),
       m_clicksToEat(clicksToEat)
 {
     reset();
 }
 
 KisMouseClickEater::~KisMouseClickEater()
 {
 }
 
 void KisMouseClickEater::reset()
 {
     m_clicksHappened = 0;
     m_timeSinceReset.start();
 }
 
 bool KisMouseClickEater::eventFilter(QObject *watched, QEvent *event)
 {
 #ifdef Q_OS_WIN
     const int tabletMouseEventsFlowDelay = 500;
 #else
     const int tabletMouseEventsFlowDelay = 256;
 #endif
 
     bool blockTimedRelease = false;
 
     if (event->type() == QEvent::TabletMove) {
         blockTimedRelease = true;
     }
 
     if (!blockTimedRelease &&
         m_timeSinceReset.elapsed() > tabletMouseEventsFlowDelay) {
         return QObject::eventFilter(watched, event);
     }
 
     if (event->type() == QEvent::MouseButtonPress ||
         event->type() == QEvent::MouseButtonRelease) {
 
         QMouseEvent *mevent = static_cast<QMouseEvent*>(event);
         if (mevent->button() & m_buttons) {
             if (m_clicksHappened >= m_clicksToEat) {
                 return false;
             }
 
             if (event->type() == QEvent::MouseButtonRelease) {
                 m_clicksHappened++;
             }
 
             return true;
         }
     }
 
     if (event->type() == QEvent::MouseMove) {
         QMouseEvent *mevent = static_cast<QMouseEvent*>(event);
         if (mevent->buttons() & m_buttons) {
             return m_clicksHappened < m_clicksToEat;
         }
     }
 
     return QObject::eventFilter(watched, event);
 }