File indexing completed on 2024-05-12 13:04:46

 /*
  * This file is part of the KDE project
  *
  * SPDX-FileCopyrightText: 2013 Shantanu Tushar <shantanu@kde.org>
  * SPDX-FileCopyrightText: 2013 Sujith Haridasan <sujith.h@gmail.com>
  * SPDX-FileCopyrightText: 2013 Arjen Hiemstra <ahiemstra@heimr.nl>
  *
  * SPDX-License-Identifier: LGPL-2.0-or-later
  *
  */
 
 #include "CQTextDocumentCanvas.h"
 #include "CQCanvasController.h"
 #include "CQTextDocumentModel.h"
 #include "CQTextDocumentNotesModel.h"
 
 #include "gemini/ViewModeSwitchEvent.h"
 
 #include <KoPluginLoader.h>
 #include <KoDocumentEntry.h>
 #include <KoUnit.h>
 #include <KoDocument.h>
 #include <KoDocumentResourceManager.h>
 #include <KoPart.h>
 #include <KoFindText.h>
 #include <KoCanvasBase.h>
 #include <KoToolManager.h>
 #include <KoZoomHandler.h>
 #include <KoZoomController.h>
 #include <KoShape.h>
 #include <KoToolManager_p.h>
 #include <KoToolBase.h>
 #include <KoPointerEvent.h>
 #include <KoSelection.h>
 #include <KoShapeRegistry.h>
 #include <KoShapeAnchor.h>
 #include <KoShapeContainer.h>
 #include <KoTextEditor.h>
 #include <KoProperties.h>
 #include <KoColumns.h>
 #include <KWDocument.h>
 #include <KWPage.h>
 #include <KWCanvasItem.h>
 #include <commands/KWShapeCreateCommand.h>
 
 #include <KActionCollection>
 
 #include <QPluginLoader>
 #include <QMimeDatabase>
 #include <QStyleOptionGraphicsItem>
 #include <QGraphicsWidget>
 #include <QTextDocument>
 #include <QTextFrame>
 #include <QTextLayout>
 #include <QGraphicsSceneMouseEvent>
 #include <QTextDocumentFragment>
 #include <QSvgRenderer>
 #include <QApplication>
 #include <QDebug>
 
 class CQTextDocumentCanvas::Private
 {
 public:
     Private()
         : canvas(0),
           findText(0),
           documentModel(0),
           document(0),
           pageNumber(0),
           throttleTimer(new QTimer()),
           currentTool(0),
           notes(0),
           textEditor(0)
     {
         throttleTimer->setInterval(200);
         throttleTimer->setSingleShot(true);
     }
 
     KWCanvasItem *canvas;
     QString searchTerm;
     KoFindText *findText;
     CQTextDocumentModel *documentModel;
     KWDocument* document;
     KoPart* part;
     QSize documentSize;
     int pageNumber;
     QPoint currentPoint;
     QObjectList linkTargets;
     QTimer* throttleTimer;
     KoToolBase* currentTool;
     CQTextDocumentNotesModel* notes;
     KoTextEditor* textEditor;
 
     void updateLinkTargets()
     {
         qDeleteAll(linkTargets);
         linkTargets.clear();
 
         if (!canvas) {
             return;
         }
 
         foreach(const KoShape* shape, canvas->shapeManager()->shapes()) {
             if (!shape->hyperLink().isEmpty()) {
                 QObject * obj = new QObject(documentModel);
                 obj->setProperty("linkRect", shape->boundingRect());
                 obj->setProperty("linkTarget", QUrl(shape->hyperLink()));
                 linkTargets.append(obj);
             }
         }
 
         foreach(QTextDocument* text, findText->documents()) {
             QTextBlock block = text->rootFrame()->firstCursorPosition().block();
             for (; block.isValid(); block = block.next()) {
                 block.begin();
                 QTextBlock::iterator it;
                 for (it = block.begin(); !(it.atEnd()); ++it) {
                     QTextFragment fragment = it.fragment();
                     if (fragment.isValid()) {
                         QTextCharFormat format = fragment.charFormat();
                         if (format.isAnchor()) {
                             // This is an anchor, store target and position...
                             QObject * obj = new QObject(documentModel);
                             QRectF rect = getFragmentPosition(block, fragment);
                             KWPage page = document->pageManager()->page(rect.left());
                             rect.translate(page.topMargin(), page.rightMargin());
                             rect = canvas->viewMode()->documentToView(rect, canvas->viewConverter());
                             rect.translate(page.pageNumber() * (page.topMargin() + page.bottomMargin()) + 20, 0);
                             obj->setProperty("linkRect", rect);
                             obj->setProperty("linkTarget", QUrl(format.anchorHref()));
                             linkTargets.append(obj);
                         }
                     }
                 }
             }
         }
     }
 
     QRectF getFragmentPosition(QTextBlock block, QTextFragment fragment)
     {
         // TODO this only produces a position for the first part, if the link spans more than one line...
         // Need to sort that somehow, unfortunately probably by slapping this code into the above function.
         // For now leave it like this, more important things are needed.
         QTextLayout* layout = block.layout();
         QTextLine line = layout->lineForTextPosition(fragment.position() - block.position());
         if (!line.isValid()) {
             // fragment has no valid position and consequently no line...
             return QRectF();
         }
         qreal top = line.position().y();
         qreal bottom = line.position().y() + line.height();
         qreal left = line.cursorToX(fragment.position() - block.position());
         qreal right = line.cursorToX((fragment.position() - block.position()) + fragment.length());
         QRectF fragmentPosition(QPointF(top, left), QPointF(bottom, right));
         return fragmentPosition.adjusted(layout->position().x(), layout->position().y(), 0, 0);
     }
 
     QList<KoShape*> deepShapeFind(const QList<KoShape*>& shapes)
     {
         QList<KoShape*> allShapes;
         foreach(KoShape* shape, shapes) {
             allShapes.append(shape);
             KoShapeContainer *container = dynamic_cast<KoShapeContainer*>(shape);
             if (container) {
                 allShapes.append(deepShapeFind(container->shapes()));
             }
         }
         return allShapes;
     }
     QRectF getCursorPosition(int position)
     {
         QPointF point;
         QTextBlock block = textEditor->document()->findBlock(position);
         QTextLayout* layout = block.layout();
         QTextLine line = layout->lineForTextPosition(position - block.position());
         if (!line.isValid()) {
             // fragment has no valid position and consequently no line...
             return QRectF();
         }
         qreal top = line.position().y();
         qreal left = line.cursorToX(position - block.position());
         point = QPointF(left + layout->position().y(), top + layout->position().x());
 
         KoShape* shape = canvas->shapeManager()->selection()->firstSelectedShape();
         point += shape->position();
         while(KoShapeContainer* parent = shape->parent()) {
             point += parent->position();
         }
 
         KWPage page = document->pageManager()->page(point.y());
 //         point += QPointF(page.rightMargin(), page.pageNumber() * page.topMargin()
 //                                            + (page.pageNumber() - 1) * page.bottomMargin());
 //         if (page.pageNumber() > 1)
 //             point += QPointF(0, 20);
         point += QPointF(0, (page.pageNumber() - 1) * (page.topMargin() + 20));
 //        point = canvas->viewConverter()->documentToView(point);
 
         return canvas->viewConverter()->documentToView(QRectF(point, QSizeF(0, line.height())));
     }
 };
 
 CQTextDocumentCanvas::CQTextDocumentCanvas(QDeclarativeItem* parent)
     : CQCanvasBase(parent), d(new Private)
 {
     setAcceptedMouseButtons(Qt::LeftButton);
     d->findText = new KoFindText(this);
 
     connect (d->findText, SIGNAL(updateCanvas()), SLOT(updateCanvas()));
     connect (d->findText, SIGNAL(matchFound(KoFindMatch)), SLOT(findMatchFound(KoFindMatch)));
     connect (d->findText, SIGNAL(noMatchFound()), SLOT(findNoMatchFound()));
     connect (KoToolManager::instance(), SIGNAL(changedTool(KoCanvasController*,int)), SLOT(currentToolChanged(KoCanvasController*,int)));
 }
 
 CQTextDocumentCanvas::~CQTextDocumentCanvas()
 {
     d->part->removeMainWindow(d->part->currentMainwindow());
     KoToolManager::instance()->removeCanvasController(d->canvas->canvasController());
     delete d;
 }
 
 void CQTextDocumentCanvas::openFile(const QString& uri)
 {
     emit loadingBegun();
 
     KoDocumentEntry entry;
     QList<QPluginLoader*> pluginLoaders = KoPluginLoader::pluginLoaders("calligra/parts");
     Q_FOREACH (QPluginLoader *loader, pluginLoaders) {
         if (loader->fileName().contains(QLatin1String("wordspart"))) {
             entry = KoDocumentEntry(loader);
             pluginLoaders.removeOne(loader);
             break;
         }
     }
     qDeleteAll(pluginLoaders);
     if (entry.isEmpty()) {
         qWarning("Unable to load Words plugin, aborting!");
         return;
     }
 
     // QT5TODO: ownership of d->part unclear
     d->part = entry.createKoPart();
     KoDocument* document = d->part->document();
     document->setAutoSave(0);
     document->setCheckAutoSaveFile(false);
 
     QUrl url(uri);
     if (url.scheme() == "newfile") {
         KWDocument* doc = qobject_cast<KWDocument*>(document);
         doc->initEmpty();
         KWPageStyle style = doc->pageManager()->defaultPageStyle();
         Q_ASSERT(style.isValid());
 
         KoColumns columns;
         columns.count = url.queryItemValue("columncount").toInt();
         columns.gapWidth = url.queryItemValue("columngap").toDouble();
         style.setColumns(columns);
 
         KoPageLayout layout = style.pageLayout();
         layout.format = KoPageFormat::formatFromString(url.queryItemValue("pageformat"));
         layout.orientation = (KoPageFormat::Orientation)url.queryItemValue("pageorientation").toInt();
         layout.height = MM_TO_POINT(url.queryItemValue("height").toDouble());
         layout.width = MM_TO_POINT(url.queryItemValue("width").toDouble());
         if (url.queryItemValue("facingpages").toInt() == 1) {
             layout.bindingSide = MM_TO_POINT(url.queryItemValue("leftmargin").toDouble());
             layout.pageEdge = MM_TO_POINT(url.queryItemValue("rightmargin").toDouble());
             layout.leftMargin = layout.rightMargin = -1;
         }
         else {
             layout.bindingSide = layout.pageEdge = -1;
             layout.leftMargin = MM_TO_POINT(url.queryItemValue("leftmargin").toDouble());
             layout.rightMargin = MM_TO_POINT(url.queryItemValue("rightmargin").toDouble());
         }
         layout.topMargin = MM_TO_POINT(url.queryItemValue("topmargin").toDouble());
         layout.bottomMargin = MM_TO_POINT(url.queryItemValue("bottommargin").toDouble());
         style.setPageLayout(layout);
 
         doc->setUnit(KoUnit::fromSymbol(url.queryItemValue("unit")));
         doc->relayout();
     } else if (url.scheme() == "template") {
         qApp->setOverrideCursor(Qt::BusyCursor);
         // Nip away the manually added template:// bit of the uri passed from the caller
         bool ok = document->loadNativeFormat(uri.mid(11));
         document->setModified(false);
         document->undoStack()->clear();
 
         if (ok) {
             QString mimeType = QMimeDatabase().mimeTypeForUrl(url).name();
             // in case this is a open document template remove the -template from the end
             mimeType.remove( QRegExp( "-template$" ) );
             document->setMimeTypeAfterLoading(mimeType);
             document->resetURL();
             document->setEmpty();
         } else {
             document->showLoadingErrorDialog();
             document->initEmpty();
         }
         qApp->restoreOverrideCursor();
     } else {
         document->openUrl(url);
     }
 
     document->setModified(false);
     qApp->processEvents();
 
     d->canvas = dynamic_cast<KWCanvasItem*> (d->part->canvasItem(d->part->document()));
     createAndSetCanvasControllerOn(d->canvas);
     createAndSetZoomController(d->canvas);
     updateZoomControllerAccordingToDocument(document);
 
     d->canvas->resourceManager()->setResource(KoDocumentResourceManager::HandleRadius, 9);
     d->canvas->resourceManager()->setResource(KoDocumentResourceManager::GrabSensitivity, 9);
 
     QGraphicsWidget *graphicsWidget = dynamic_cast<QGraphicsWidget*>(d->canvas);
     graphicsWidget->setParentItem(this);
     graphicsWidget->installEventFilter(this);
     graphicsWidget->setVisible(true);
     graphicsWidget->setGeometry(x(), y(), width(), height());
 
     if (d->pageNumber >= 1) {
       gotoPage(d->pageNumber, document);
     }
 
     QList<QTextDocument*> texts;
     KoFindText::findTextInShapes(d->canvas->shapeManager()->shapes(), texts);
     d->findText->setDocuments(texts);
 
     d->document = qobject_cast<KWDocument*>(document);
     d->documentModel = new CQTextDocumentModel(this, d->document, d->canvas->shapeManager());
     emit documentModelChanged();
     emit thumbnailSizeChanged();
     connect(d->documentModel, SIGNAL(thumbnailSizeChanged()), SIGNAL(thumbnailSizeChanged()));
 
     d->updateLinkTargets();
     emit linkTargetsChanged();
 
     connect(d->canvas->shapeManager(), SIGNAL(selectionChanged()), SIGNAL(textEditorChanged()));
     connect(d->canvas->shapeManager(), SIGNAL(selectionChanged()), SIGNAL(shapeTransparencyChanged()));
 
     d->notes = new CQTextDocumentNotesModel(this);
     emit notesChanged();
 
     emit textEditorChanged();
     emit loadingFinished();
 }
 
 void CQTextDocumentCanvas::gotoPage(int pageNumber, KoDocument *document)
 {
     const KWDocument *kwDoc = static_cast<const KWDocument*>(document);
     KWPage currentTextDocPage = kwDoc->pageManager()->page(pageNumber);
 
     QRectF rect = d->canvas->viewConverter()->documentToView(currentTextDocPage.rect());
     canvasController()->pan(rect.topLeft().toPoint() - d->canvas->viewConverter()->documentToView(canvasController()->documentOffset()).toPoint());
     alignTopWith(rect.top());
     updateCanvas();
 }
 
 int CQTextDocumentCanvas::cameraY() const
 {
     return d->currentPoint.y();
 }
 
 qreal CQTextDocumentCanvas::pagePosition(int pageIndex)
 {
     KWPage page = d->document->pageManager()->page(pageIndex);
     // a very silly heuristic for ensuring the page number changes if we change pages.
     // this means we don't have to glue the canvas and controlleritem together too close,
     // but yes, it does look a bit silly.
     QTimer::singleShot(0, d->throttleTimer, SLOT(stop()));
     QTimer::singleShot(0, this, SIGNAL(currentPageNumberChanged()));
     return d->canvas->viewMode()->documentToView(page.rect().topLeft(), d->canvas->viewConverter()).y();
 }
 
 qreal CQTextDocumentCanvas::shapeTransparency() const
 {
     if (d->canvas && d->canvas->shapeManager()) {
         KoShape* shape = d->canvas->shapeManager()->selection()->firstSelectedShape();
         if (shape) {
             return shape->transparency();
         }
     }
     return CQCanvasBase::shapeTransparency();
 }
 
 void CQTextDocumentCanvas::setShapeTransparency(qreal newTransparency)
 {
     if (d->canvas && d->canvas->shapeManager()) {
         KoShape* shape = d->canvas->shapeManager()->selection()->firstSelectedShape();
         if (shape) {
             if (!qFuzzyCompare(1 + shape->transparency(), 1 + newTransparency)) {
                 shape->setTransparency(newTransparency);
                 CQCanvasBase::setShapeTransparency(newTransparency);
             }
         }
     }
 }
 
 QObject* CQTextDocumentCanvas::textEditor()
 {
     if (d->canvas) {
         if (d->textEditor) {
             disconnect(d->textEditor, SIGNAL(cursorPositionChanged()), this, SIGNAL(selectionChanged()));
         }
         d->textEditor = KoTextEditor::getTextEditorFromCanvas(d->canvas);
         if (d->textEditor) {
             disconnect(d->textEditor, SIGNAL(cursorPositionChanged()), this, SIGNAL(selectionChanged()));
         }
         emit selectionChanged();
         return d->textEditor;
     }
     return 0;
 }
 
 bool CQTextDocumentCanvas::hasSelection() const
 {
     if (d->textEditor) {
         return d->textEditor->hasSelection();
     }
     return false;
 }
 
 QRectF CQTextDocumentCanvas::selectionStartPos() const
 {
     if (d->textEditor) {
         return d->getCursorPosition(d->textEditor->selectionStart());
     }
     return QRectF(0,0,0,0);
 }
 
 QRectF CQTextDocumentCanvas::selectionEndPos() const
 {
     if (d->textEditor) {
         return d->getCursorPosition(d->textEditor->selectionEnd());
     }
     return QRectF(0,0,0,0);
 }
 
 QObject* CQTextDocumentCanvas::zoomAction() const
 {
     if (zoomController() && zoomController()->zoomAction()) {
         return zoomController()->zoomAction();
     }
     return 0;
 }
 
 QSizeF CQTextDocumentCanvas::thumbnailSize() const
 {
     if (d->documentModel) {
         return d->documentModel->thumbnailSize();
     }
     return QSizeF();
 }
 
 void CQTextDocumentCanvas::setThumbnailSize(const QSizeF& newSize)
 {
     if (d->documentModel) {
         d->documentModel->setThumbnailSize(newSize.toSize());
     }
     emit thumbnailSizeChanged();
 }
 
 void CQTextDocumentCanvas::deselectEverything()
 {
     KoTextEditor* editor = KoTextEditor::getTextEditorFromCanvas(d->canvas);
     if (editor) {
         editor->clearSelection();
     }
     d->canvas->shapeManager()->selection()->deselectAll();
     updateCanvas();
 }
 
 QObject* CQTextDocumentCanvas::notes() const
 {
     return d->notes;
 }
 
 void CQTextDocumentCanvas::addSticker(const QString& imageUrl)
 {
     QSvgRenderer renderer(QUrl(imageUrl).toLocalFile());
    // Prepare a QImage with desired characteristics
     QImage image(200, 200, QImage::Format_ARGB32);
     image.fill(Qt::transparent);
 
     // Get QPainter that paints to the image
     QPainter painter(&image);
     renderer.render(&painter);
     painter.end();
 
     KoProperties* params = new KoProperties();
     params->setProperty("qimage", image);
     KoShapeFactoryBase* factory = KoShapeRegistry::instance()->get("PictureShape");
     if (factory) {
         KoShape* shape = factory->createShape(params, d->document->resourceManager());
 
         QPointF pos = d->canvas->viewToDocument(d->canvas->documentOffset() + QPointF(d->canvas->size().width() / 2, d->canvas->size().height() / 2));
         KoShapeAnchor *anchor = new KoShapeAnchor(shape);
         anchor->setAnchorType(KoShapeAnchor::AnchorPage);
         anchor->setHorizontalPos(KoShapeAnchor::HFromLeft);
         anchor->setVerticalPos(KoShapeAnchor::VFromTop);
         anchor->setHorizontalRel(KoShapeAnchor::HPage);
         anchor->setVerticalRel(KoShapeAnchor::VPage);
         shape->setAnchor(anchor);
         shape->setPosition(pos);
         shape->scale(0.2, 0.2);
 
 //        KWShapeCreateCommand *cmd = new KWShapeCreateCommand(d->document, shape);
         KoSelection *selection = d->canvas->shapeManager()->selection();
         selection->deselectAll();
         selection->select(shape);
 //        d->canvas->addCommand(cmd);
         d->canvas->shapeManager()->addShape(shape);
 
         d->notes->addEntry("", imageUrl, "Neutral", shape);
     }
 }
 
 void CQTextDocumentCanvas::addNote(const QString& text, const QString& color, const QString& imageUrl)
 {
     QSvgRenderer renderer(QUrl(imageUrl).toLocalFile());
 
    // Prepare a QImage with desired characteritisc
     QImage image(400, 200, QImage::Format_ARGB32);
     image.fill(Qt::transparent);
 
     // Get QPainter that paints to the image
     QPainter painter(&image);
     painter.setRenderHint(QPainter::Antialiasing, true);
     painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
     painter.setRenderHint(QPainter::TextAntialiasing, true);
 
     renderer.render(&painter, image.rect());
 
     QFont font;
     font.setFamily("Permanent Marker");
     font.setStyle(QFont::StyleNormal);
     font.setPixelSize(40);
     painter.setPen(QPen(QColor(color), 0));
     painter.setFont(font);
     painter.drawText(image.rect().adjusted(10, 10, -20, -20), Qt::AlignCenter | Qt::TextWordWrap, text);
     painter.end();
 
     KoProperties* params = new KoProperties();
     params->setProperty("qimage", image);
     KoShapeFactoryBase* factory = KoShapeRegistry::instance()->get("PictureShape");
     if (factory) {
         KoShape* shape = factory->createShape(params, d->document->resourceManager());
 
         QPointF pos = d->canvas->viewToDocument(d->canvas->documentOffset() + QPointF(d->canvas->size().width() / 2, d->canvas->size().height() / 2));
         KoShapeAnchor *anchor = new KoShapeAnchor(shape);
         anchor->setAnchorType(KoShapeAnchor::AnchorPage);
         anchor->setHorizontalPos(KoShapeAnchor::HFromLeft);
         anchor->setVerticalPos(KoShapeAnchor::VFromTop);
         anchor->setHorizontalRel(KoShapeAnchor::HPage);
         anchor->setVerticalRel(KoShapeAnchor::VPage);
         shape->setAnchor(anchor);
         shape->setPosition(pos);
         shape->rotate(-15);
         shape->scale(0.3, 0.3);
 
 //        KWShapeCreateCommand *cmd = new KWShapeCreateCommand(d->document, shape);
         KoSelection *selection = d->canvas->shapeManager()->selection();
         selection->deselectAll();
         selection->select(shape);
 //        d->canvas->addCommand(cmd);
         d->canvas->shapeManager()->addShape(shape);
 
         d->notes->addEntry(text, "", color, shape);
     }
 }
 
 void CQTextDocumentCanvas::setCameraY(int cameraY)
 {
     d->currentPoint.setY (cameraY);
     emit cameraYChanged();
 }
 
 void CQTextDocumentCanvas::alignTopWith(int y)
 {
     d->currentPoint.setY(y);
     emit cameraYChanged();
 }
 
 int CQTextDocumentCanvas::currentPageNumber() const
 {
     if (d->document && !d->throttleTimer->isActive()) {
         // Can't use this at the moment, we sort of don't have the right one, because derp :P
         //d->canvas->resourceManager()->resource(KoCanvasResourceManager::CurrentPage).toInt();
         d->throttleTimer->start();
         const KWDocument *kwDoc = static_cast<const KWDocument*>(d->document);
         d->pageNumber = kwDoc->pageManager()->page(d->canvas->viewMode()->viewToDocument(d->canvas->documentOffset(), d->canvas->viewConverter())).pageNumber();
     }
     return d->pageNumber;
 }
 
 void CQTextDocumentCanvas::setCurrentPageNumber(const int& currentPageNumber)
 {
     if (d->pageNumber != currentPageNumber) {
         gotoPage(currentPageNumber, d->document);
     }
 }
 
 void CQTextDocumentCanvas::render(QPainter* painter, const QRectF& target)
 {
     Q_UNUSED(target)
     QStyleOptionGraphicsItem option;
     option.exposedRect = QRect(0, 0, width(), height());
     option.rect = option.exposedRect.toAlignedRect();
     d->canvas->canvasItem()->paint(painter, &option);
 }
 
 bool CQTextDocumentCanvas::event( QEvent* event )
 {
     switch(static_cast<int>(event->type())) {
         case ViewModeSwitchEvent::AboutToSwitchViewModeEvent: {
             ViewModeSynchronisationObject* syncObject = static_cast<ViewModeSwitchEvent*>(event)->synchronisationObject();
 
             if (d->canvas) {
                 syncObject->documentOffset = d->canvas->documentOffset();
                 syncObject->zoomLevel = zoomController()->zoomAction()->effectiveZoom();
                 syncObject->activeToolId = KoToolManager::instance()->activeToolId();
                 syncObject->shapes = d->canvas->shapeManager()->shapes();
                 syncObject->initialized = true;
             }
 
             return true;
         }
         case ViewModeSwitchEvent::SwitchedToTouchModeEvent: {
             ViewModeSynchronisationObject* syncObject = static_cast<ViewModeSwitchEvent*>(event)->synchronisationObject();
 
             if (d->canvas && syncObject->initialized) {
                 d->canvas->shapeManager()->setShapes(syncObject->shapes);
 
                 KoToolManager::instance()->switchToolRequested("PageToolFactory_ID");
                 qApp->processEvents();
 
                 zoomController()->setZoom(KoZoomMode::ZOOM_CONSTANT, syncObject->zoomLevel);
 
                 qApp->processEvents();
                 emit positionShouldChange(syncObject->documentOffset);
             }
 
             return true;
         }
 //         case KisTabletEvent::TabletPressEx:
 //         case KisTabletEvent::TabletReleaseEx:
 //             emit interactionStarted();
 //             d->canvas->inputManager()->eventFilter(this, event);
 //             return true;
 //         case KisTabletEvent::TabletMoveEx:
 //             d->tabletEventCount++; //Note that this will wraparound at some point; This is intentional.
 // #ifdef Q_OS_X11
 //             if (d->tabletEventCount % 2 == 0)
 // #endif
 //                 d->canvas->inputManager()->eventFilter(this, event);
 //             return true;
         default:
             break;
     }
     return QDeclarativeItem::event( event );
 }
 
 void CQTextDocumentCanvas::currentToolChanged(KoCanvasController* controller, int uniqueToolId)
 {
     Q_UNUSED(controller)
     Q_UNUSED(uniqueToolId)
     d->currentTool = qobject_cast<KoToolBase*>(KoToolManager::instance()->toolById(d->canvas, KoToolManager::instance()->activeToolId()));
 }
 
 void CQTextDocumentCanvas::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e)
 {
     QMouseEvent me(e->type(), e->pos().toPoint(), e->button(), e->buttons(), e->modifiers());
     KoPointerEvent pe(&me, d->canvas->viewToDocument(e->pos() + d->canvas->documentOffset()));
     d->currentTool->mouseDoubleClickEvent(&pe);
     updateCanvas();
     emit selectionChanged();
     e->setAccepted(me.isAccepted());
 }
 
 void CQTextDocumentCanvas::mouseMoveEvent(QGraphicsSceneMouseEvent* e)
 {
     QMouseEvent me(e->type(), e->pos().toPoint(), e->button(), e->buttons(), e->modifiers());
     KoPointerEvent pe(&me, d->canvas->viewToDocument(e->pos() + d->canvas->documentOffset()));
     d->currentTool->mouseMoveEvent(&pe);
     updateCanvas();
     emit selectionChanged();
     e->setAccepted(me.isAccepted());
 }
 
 void CQTextDocumentCanvas::mousePressEvent(QGraphicsSceneMouseEvent* e)
 {
     QMouseEvent me(e->type(), e->pos().toPoint(), e->button(), e->buttons(), e->modifiers());
     KoPointerEvent pe(&me, d->canvas->viewToDocument(e->pos() + d->canvas->documentOffset()));
     d->currentTool->mousePressEvent(&pe);
     updateCanvas();
     emit selectionChanged();
     e->setAccepted(me.isAccepted());
 }
 
 void CQTextDocumentCanvas::mouseReleaseEvent(QGraphicsSceneMouseEvent* e)
 {
     QMouseEvent me(e->type(), e->pos().toPoint(), e->button(), e->buttons(), e->modifiers());
     KoPointerEvent pe(&me, d->canvas->viewToDocument(e->pos() + d->canvas->documentOffset()));
     d->currentTool->mouseReleaseEvent(&pe);
     updateCanvas();
     emit selectionChanged();
     e->setAccepted(me.isAccepted());
 }
 
 void CQTextDocumentCanvas::geometryChanged(const QRectF& newGeometry, const QRectF& oldGeometry)
 {
     if (d->canvas) {
         QGraphicsWidget *widget = dynamic_cast<QGraphicsWidget*>(d->canvas);
         if (widget) {
             widget->setGeometry(newGeometry);
         }
     }
     QDeclarativeItem::geometryChanged(newGeometry, oldGeometry);
 }
 
 void CQTextDocumentCanvas::createAndSetCanvasControllerOn(KoCanvasBase* canvas)
 {
     //TODO: pass a proper action collection
     CQCanvasController *controller = new CQCanvasController(new KActionCollection(this));
     setCanvasController(controller);
     connect (controller, SIGNAL(documentSizeChanged(QSize)), SLOT(updateDocumentSize(QSize)));
     controller->setCanvas(canvas);
     KoToolManager::instance()->addController (controller);
 }
 
 void CQTextDocumentCanvas::createAndSetZoomController(KoCanvasBase* canvas)
 {
     KoZoomHandler* zoomHandler = static_cast<KoZoomHandler*> (canvas->viewConverter());
     setZoomController(new KoZoomController(canvasController(), zoomHandler, new KActionCollection(this)));
 
     KWCanvasItem *kwCanvasItem = static_cast<KWCanvasItem*>(canvas);
     connect (kwCanvasItem, SIGNAL(documentSize(QSizeF)), zoomController(), SLOT(setDocumentSize(QSizeF)));
     connect (canvasController()->proxyObject, SIGNAL(moveDocumentOffset(QPoint)), SIGNAL(currentPageNumberChanged()));
     connect (canvasController()->proxyObject, SIGNAL(moveDocumentOffset(QPoint)), kwCanvasItem, SLOT(setDocumentOffset(QPoint)));
     connect (zoomController(), SIGNAL(zoomChanged(KoZoomMode::Mode,qreal)), SIGNAL(zoomActionChanged()));
     kwCanvasItem->updateSize();
     emit zoomActionChanged();
 }
 
 void CQTextDocumentCanvas::updateZoomControllerAccordingToDocument(const KoDocument* document)
 {
     const KWDocument *kwDoc = static_cast<const KWDocument*>(document);
     zoomController()->setPageSize (kwDoc->pageManager()->begin().rect().size());
 }
 
 QString CQTextDocumentCanvas::searchTerm() const
 {
     return d->searchTerm;
 }
 
 void CQTextDocumentCanvas::setSearchTerm(const QString& term)
 {
     d->searchTerm = term;
     if (!term.isEmpty()) {
         d->findText->find(term);
     }
     emit searchTermChanged();
 }
 
 void CQTextDocumentCanvas::findMatchFound(const KoFindMatch &match)
 {
     QTextCursor cursor = match.location().value<QTextCursor>();
     d->canvas->canvasItem()->update();
 
     d->canvas->resourceManager()->setResource (KoText::CurrentTextAnchor, cursor.anchor());
     d->canvas->resourceManager()->setResource (KoText::CurrentTextPosition, cursor.position());
 }
 
 void CQTextDocumentCanvas::findNoMatchFound()
 {
     qDebug() << "Match for " << d->searchTerm << " not found";
 }
 
 void CQTextDocumentCanvas::updateCanvas()
 {
     KWCanvasItem* kwCanvasItem = dynamic_cast<KWCanvasItem*> (d->canvas);
     kwCanvasItem->update();
 }
 
 void CQTextDocumentCanvas::findNext()
 {
     d->findText->findNext();
 }
 
 void CQTextDocumentCanvas::findPrevious()
 {
     d->findText->findPrevious();
 }
 
 QObject* CQTextDocumentCanvas::documentModel() const
 {
     return d->documentModel;
 }
 
 KWDocument* CQTextDocumentCanvas::document() const
 {
     return d->document;
 }
 
 QObject* CQTextDocumentCanvas::doc() const
 {
     return d->document;
 }
 
 QObject* CQTextDocumentCanvas::part() const
 {
     return d->part;
 }
 
 QObjectList CQTextDocumentCanvas::linkTargets() const
 {
     return d->linkTargets;
 }
 
 QSize CQTextDocumentCanvas::documentSize() const
 {
     return d->documentSize;
 }
 
 void CQTextDocumentCanvas::updateDocumentSize(const QSize& size)
 {
     d->documentSize = size;
     emit documentSizeChanged();
 }