File indexing completed on 2025-03-09 04:06:00

 /* This file is part of the KDE project
  * SPDX-FileCopyrightText: 2012 Arjen Hiemstra <ahiemstra@heimr.nl>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "MouseTracker.h"
 
 #include <QQuickItem>
 #include <QEvent>
 #include <QCoreApplication>
 #include <QTouchEvent>
 
 struct TrackedItem {
     TrackedItem(QQuickItem* i, const QPointF& o) : item(i), offset(o) { }
 
     QQuickItem* item;
     QPointF offset;
 };
 
 class MouseTracker::Private
 {
 public:
     Private()
     { }
 
     QList<TrackedItem> trackedItems;
 };
 
 MouseTracker::MouseTracker(QObject* parent)
     : QObject(parent), d(new Private)
 {
     QCoreApplication::instance()->installEventFilter(this);
 }
 
 MouseTracker::~MouseTracker()
 {
     delete d;
 }
 
 void MouseTracker::addItem(QQuickItem* item, const QPointF& offset)
 {
     d->trackedItems.append(TrackedItem(item, offset));
 }
 
 void MouseTracker::removeItem(QQuickItem* item)
 {
     for(int i = 0; i < d->trackedItems.length(); ++i) {
         if(d->trackedItems.at(i).item == item) {
             d->trackedItems.removeAt(i);
             break;
         }
     }
 }
 
 bool MouseTracker::eventFilter(QObject* target, QEvent* event)
 {
     Q_UNUSED(target);
     if (d->trackedItems.count() > 0) {
         switch(event->type()) {
     // QT5TODO
 //             case QEvent::GraphicsSceneMouseMove: {
 //                 QGraphicsSceneMouseEvent* mevent = static_cast<QGraphicsSceneMouseEvent*>(event);
 //                 Q_FOREACH(const TrackedItem& item, d->trackedItems) {
 //                     item.item->setPos(mevent->scenePos() + item.offset);
 //                 }
 //                 return false;
 //             }
 //             case QEvent::TouchUpdate: {
 //                 QTouchEvent* tevent = static_cast<QTouchEvent*>(event);
 //                 QTouchEvent::TouchPoint primary = tevent->touchPoints().at(0);
 //                 Q_FOREACH(const TrackedItem& item, d->trackedItems) {
 //                     item.item->setPos(primary.scenePos() + item.offset);
 //                 }
 //                 return false;
 //             }
 //             case QEvent::DragMove: {
 //                 QDragMoveEvent* mevent = static_cast<QDragMoveEvent*>(event);
 //                 Q_FOREACH(const TrackedItem& item, d->trackedItems) {
 //                     item.item->setPos(mevent->pos() + item.offset);
 //                 }
 //                 return false;
 //             }
             default: ;
         }
     }
     return false;
 }