File indexing completed on 2024-04-28 16:48:43

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #include "dpmsinputeventfilter.h"
 #include "core/output.h"
 #include "input_event.h"
 #include "main.h"
 #include "wayland/seat_interface.h"
 #include "wayland_server.h"
 #include "workspace.h"
 
 #include <QGuiApplication>
 #include <QKeyEvent>
 
 namespace KWin
 {
 
 DpmsInputEventFilter::DpmsInputEventFilter()
     : InputEventFilter()
 {
     KSharedConfig::Ptr kwinSettings = kwinApp()->config();
     m_enableDoubleTap = kwinSettings->group("Wayland").readEntry<bool>("DoubleTapWakeup", true);
 }
 
 DpmsInputEventFilter::~DpmsInputEventFilter() = default;
 
 bool DpmsInputEventFilter::pointerEvent(MouseEvent *event, quint32 nativeButton)
 {
     notify();
     return true;
 }
 
 bool DpmsInputEventFilter::wheelEvent(WheelEvent *event)
 {
     notify();
     return true;
 }
 
 bool DpmsInputEventFilter::keyEvent(KeyEvent *event)
 {
     if (event->type() == QKeyEvent::KeyPress) {
         notify();
     }
     return true;
 }
 
 bool DpmsInputEventFilter::touchDown(qint32 id, const QPointF &pos, std::chrono::microseconds time)
 {
     if (m_enableDoubleTap) {
         if (m_touchPoints.isEmpty()) {
             if (!m_doubleTapTimer.isValid()) {
                 // this is the first tap
                 m_doubleTapTimer.start();
             } else {
                 if (m_doubleTapTimer.elapsed() < qApp->doubleClickInterval()) {
                     m_secondTap = true;
                 } else {
                     // took too long. Let's consider it a new click
                     m_doubleTapTimer.restart();
                 }
             }
         } else {
             // not a double tap
             m_doubleTapTimer.invalidate();
             m_secondTap = false;
         }
         m_touchPoints << id;
     }
     return true;
 }
 
 bool DpmsInputEventFilter::touchUp(qint32 id, std::chrono::microseconds time)
 {
     if (m_enableDoubleTap) {
         m_touchPoints.removeAll(id);
         if (m_touchPoints.isEmpty() && m_doubleTapTimer.isValid() && m_secondTap) {
             if (m_doubleTapTimer.elapsed() < qApp->doubleClickInterval()) {
                 waylandServer()->seat()->setTimestamp(std::chrono::duration_cast<std::chrono::milliseconds>(time));
                 notify();
             }
             m_doubleTapTimer.invalidate();
             m_secondTap = false;
         }
     }
     return true;
 }
 
 bool DpmsInputEventFilter::touchMotion(qint32 id, const QPointF &pos, std::chrono::microseconds time)
 {
     // ignore the event
     return true;
 }
 
 void DpmsInputEventFilter::notify()
 {
     const QList<Output *> outputs = workspace()->outputs();
     for (Output *output : outputs) {
         output->setDpmsMode(Output::DpmsMode::On);
     }
 }
 
 }