Warning, file /graphics/washipad/src/sketchview.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 // This file is part of Washi Pad
 // SPDX-FileCopyrightText: 2018 Kevin Ottens <ervin@kde.org>
 // SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 
 #include "sketchview.h"
 
 Q_GLOBAL_STATIC(SketchView*, s_instance);
 
 SketchViewHandler::SketchViewHandler(QObject *parent)
     : QObject(parent)
 {
     connect(SketchView::instance(), &SketchView::tabletEventReceived,
             this, &SketchViewHandler::onTabletEventReceived);
 }
 
 Stroke SketchViewHandler::createStroke(Stroke::Type type, const QColor &color) const
 {
     auto result = Stroke{};
     result.setType(type);
     result.setColor(color);
     return result;
 }
 
 StrokeSample SketchViewHandler::createSample(const QVector2D &position, float width) const
 {
     return {position, width};
 }
 
 Event SketchViewHandler::point() const
 {
     return m_point;
 }
 
 bool SketchViewHandler::isPressed() const
 {
     return m_pressed;
 }
 
 void SketchViewHandler::onTabletEventReceived(QTabletEvent *event)
 {
     m_point = TabletEvent::create(event);
     emit pointChanged(m_point);
 
     if (event->type() == QEvent::TabletPress && !m_pressed) {
         m_pressed = true;
         emit pressedChanged(m_pressed);
     } else if (event->type() == QEvent::TabletRelease && m_pressed) {
         m_pressed = false;
         emit pressedChanged(m_pressed);
     }
 }
 
 void SketchViewHandler::setPressed(const bool pressed)
 {
     if (m_pressed == pressed) {
         return;
     }
     m_pressed = pressed;
     emit pressedChanged(m_pressed);
 }
 
 void SketchViewHandler::mouseMoved(const float x, const float y, const int button)
 {
     m_point = MouseEvent::create(x, y, button);
     emit pointChanged(m_point);
 }
 
 
 SketchView *SketchView::instance()
 {
     return *s_instance;
 }
 
 SketchView::SketchView(QWindow *parent)
     : QQuickView(parent)
 {
     if (*s_instance)
         qFatal("There must be only one SketchView instance");
 
     *s_instance = this;
 }
 
 void SketchView::tabletEvent(QTabletEvent *event)
 {
     event->accept();
 
     if (m_lastType == event->type()) {
         const auto length = (event->globalPos() - m_lastGlobalPos).manhattanLength();
         constexpr auto lengthThreshold =  4.0;
 
         if (length < lengthThreshold)
             return;
     }
 
     m_lastType = event->type();
     m_lastGlobalPos = event->globalPos();
     emit tabletEventReceived(event);
 }