diff --git a/src/worksheet.cpp b/src/worksheet.cpp index 2618938e..c7540979 100644 --- a/src/worksheet.cpp +++ b/src/worksheet.cpp @@ -1,1702 +1,1711 @@ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. --- Copyright (C) 2009 Alexander Rieder Copyright (C) 2012 Martin Kuettler */ #include #include #include #include #include #include #include #include #include #include #include #include "worksheet.h" #include "settings.h" #include "commandentry.h" #include "textentry.h" #include "latexentry.h" #include "imageentry.h" #include "pagebreakentry.h" #include "placeholderentry.h" #include "lib/backend.h" #include "lib/extension.h" #include "lib/helpresult.h" #include "lib/session.h" #include "lib/defaulthighlighter.h" const double Worksheet::LeftMargin = 4; const double Worksheet::RightMargin = 4; const double Worksheet::TopMargin = 4; Worksheet::Worksheet(Cantor::Backend* backend, QWidget* parent) : QGraphicsScene(parent) { m_session = backend->createSession(); m_highlighter = nullptr; m_firstEntry = nullptr; m_lastEntry = nullptr; m_lastFocusedTextItem = nullptr; m_dragEntry = nullptr; m_placeholderEntry = nullptr; m_viewWidth = 0; m_protrusion = 0; m_dragScrollTimer = nullptr; m_isPrinting = false; m_loginDone = false; + m_isLoadingFromFile = false; enableHighlighting(Settings::self()->highlightDefault()); enableCompletion(Settings::self()->completionDefault()); enableExpressionNumbering(Settings::self()->expressionNumberingDefault()); enableAnimations(Settings::self()->animationDefault()); } Worksheet::~Worksheet() { // This is necessary, because a SeachBar might access firstEntry() // while the scene is deleted. Maybe there is a better solution to // this problem, but I can't seem to find it. m_firstEntry = nullptr; if (m_loginDone) m_session->logout(); } void Worksheet::loginToSession() { m_session->login(); #ifdef WITH_EPS session()->setTypesettingEnabled(Settings::self()->typesetDefault()); #else session()->setTypesettingEnabled(false); #endif m_loginDone = true; } void Worksheet::print(QPrinter* printer) { m_epsRenderer.useHighResolution(true); m_isPrinting = true; QRect pageRect = printer->pageRect(); qreal scale = 1; // todo: find good scale for page size // todo: use epsRenderer()->scale() for printing ? const qreal width = pageRect.width()/scale; const qreal height = pageRect.height()/scale; setViewSize(width, height, scale, true); QPainter painter(printer); painter.scale(scale, scale); painter.setRenderHint(QPainter::Antialiasing); WorksheetEntry* entry = firstEntry(); qreal y = 0; while (entry) { qreal h = 0; do { if (entry->type() == PageBreakEntry::Type) { entry = entry->next(); break; } h += entry->size().height(); entry = entry->next(); } while (entry && h + entry->size().height() <= height); render(&painter, QRectF(0, 0, width, height), QRectF(0, y, width, h)); y += h; if (entry) printer->newPage(); } //render(&painter); painter.end(); m_isPrinting = false; m_epsRenderer.useHighResolution(false); m_epsRenderer.setScale(-1); // force update in next call to setViewSize, worksheetView()->updateSceneSize(); // ... which happens in here } bool Worksheet::isPrinting() { return m_isPrinting; } void Worksheet::setViewSize(qreal w, qreal h, qreal s, bool forceUpdate) { Q_UNUSED(h); m_viewWidth = w; if (s != m_epsRenderer.scale() || forceUpdate) { m_epsRenderer.setScale(s); for (WorksheetEntry *entry = firstEntry(); entry; entry = entry->next()) entry->updateEntry(); } updateLayout(); } void Worksheet::updateLayout() { bool cursorRectVisible = false; bool atEnd = worksheetView()->isAtEnd(); if (currentTextItem()) { QRectF cursorRect = currentTextItem()->sceneCursorRect(); cursorRectVisible = worksheetView()->isVisible(cursorRect); } const qreal w = m_viewWidth - LeftMargin - RightMargin; qreal y = TopMargin; const qreal x = LeftMargin; for (WorksheetEntry *entry = firstEntry(); entry; entry = entry->next()) y += entry->setGeometry(x, y, w); setSceneRect(QRectF(0, 0, m_viewWidth + m_protrusion, y)); if (cursorRectVisible) makeVisible(worksheetCursor()); else if (atEnd) worksheetView()->scrollToEnd(); } void Worksheet::updateEntrySize(WorksheetEntry* entry) { bool cursorRectVisible = false; bool atEnd = worksheetView()->isAtEnd(); if (currentTextItem()) { QRectF cursorRect = currentTextItem()->sceneCursorRect(); cursorRectVisible = worksheetView()->isVisible(cursorRect); } qreal y = entry->y() + entry->size().height(); for (entry = entry->next(); entry; entry = entry->next()) { entry->setY(y); y += entry->size().height(); } setSceneRect(QRectF(0, 0, m_viewWidth + m_protrusion, y)); if (cursorRectVisible) makeVisible(worksheetCursor()); else if (atEnd) worksheetView()->scrollToEnd(); } void Worksheet::addProtrusion(qreal width) { if (m_itemProtrusions.contains(width)) ++m_itemProtrusions[width]; else m_itemProtrusions.insert(width, 1); if (width > m_protrusion) { m_protrusion = width; qreal y = lastEntry()->size().height() + lastEntry()->y(); setSceneRect(QRectF(0, 0, m_viewWidth + m_protrusion, y)); } } void Worksheet::updateProtrusion(qreal oldWidth, qreal newWidth) { removeProtrusion(oldWidth); addProtrusion(newWidth); } void Worksheet::removeProtrusion(qreal width) { if (--m_itemProtrusions[width] == 0) { m_itemProtrusions.remove(width); if (width == m_protrusion) { qreal max = -1; foreach (qreal p, m_itemProtrusions.keys()) { if (p > max) max = p; } m_protrusion = max; qreal y = lastEntry()->size().height() + lastEntry()->y(); setSceneRect(QRectF(0, 0, m_viewWidth + m_protrusion, y)); } } } bool Worksheet::isEmpty() { return !m_firstEntry; } +bool Worksheet::isLoadingFromFile() +{ + return m_isLoadingFromFile; +} + void Worksheet::makeVisible(WorksheetEntry* entry) { QRectF r = entry->boundingRect(); r = entry->mapRectToScene(r); r.adjust(0, -10, 0, 10); worksheetView()->makeVisible(r); } void Worksheet::makeVisible(const WorksheetCursor& cursor) { if (cursor.textCursor().isNull()) { if (cursor.entry()) makeVisible(cursor.entry()); return; } QRectF r = cursor.textItem()->sceneCursorRect(cursor.textCursor()); QRectF er = cursor.entry()->boundingRect(); er = cursor.entry()->mapRectToScene(er); er.adjust(0, -10, 0, 10); r.adjust(0, qMax(qreal(-100.0), er.top() - r.top()), 0, qMin(qreal(100.0), er.bottom() - r.bottom())); worksheetView()->makeVisible(r); } WorksheetView* Worksheet::worksheetView() { return qobject_cast(views()[0]); } void Worksheet::setModified() { emit modified(); } WorksheetCursor Worksheet::worksheetCursor() { WorksheetEntry* entry = currentEntry(); WorksheetTextItem* item = currentTextItem(); if (!entry || !item) return WorksheetCursor(); return WorksheetCursor(entry, item, item->textCursor()); } void Worksheet::setWorksheetCursor(const WorksheetCursor& cursor) { if (!cursor.isValid()) return; if (m_lastFocusedTextItem) m_lastFocusedTextItem->clearSelection(); m_lastFocusedTextItem = cursor.textItem(); cursor.textItem()->setTextCursor(cursor.textCursor()); } WorksheetEntry* Worksheet::currentEntry() { QGraphicsItem* item = focusItem(); if (!item /*&& !hasFocus()*/) item = m_lastFocusedTextItem; /*else m_focusItem = item;*/ while (item && (item->type() < QGraphicsItem::UserType || item->type() >= QGraphicsItem::UserType + 100)) item = item->parentItem(); if (item) { WorksheetEntry* entry = qobject_cast(item->toGraphicsObject()); if (entry && entry->aboutToBeRemoved()) { if (entry->isAncestorOf(m_lastFocusedTextItem)) m_lastFocusedTextItem = nullptr; return nullptr; } return entry; } return nullptr; } WorksheetEntry* Worksheet::firstEntry() { return m_firstEntry; } WorksheetEntry* Worksheet::lastEntry() { return m_lastEntry; } void Worksheet::setFirstEntry(WorksheetEntry* entry) { if (m_firstEntry) disconnect(m_firstEntry, SIGNAL(aboutToBeDeleted()), this, SLOT(invalidateFirstEntry())); m_firstEntry = entry; if (m_firstEntry) connect(m_firstEntry, SIGNAL(aboutToBeDeleted()), this, SLOT(invalidateFirstEntry()), Qt::DirectConnection); } void Worksheet::setLastEntry(WorksheetEntry* entry) { if (m_lastEntry) disconnect(m_lastEntry, SIGNAL(aboutToBeDeleted()), this, SLOT(invalidateLastEntry())); m_lastEntry = entry; if (m_lastEntry) connect(m_lastEntry, SIGNAL(aboutToBeDeleted()), this, SLOT(invalidateLastEntry()), Qt::DirectConnection); } void Worksheet::invalidateFirstEntry() { if (m_firstEntry) setFirstEntry(m_firstEntry->next()); } void Worksheet::invalidateLastEntry() { if (m_lastEntry) setLastEntry(m_lastEntry->previous()); } WorksheetEntry* Worksheet::entryAt(qreal x, qreal y) { QGraphicsItem* item = itemAt(x, y, QTransform()); while (item && (item->type() <= QGraphicsItem::UserType || item->type() >= QGraphicsItem::UserType + 100)) item = item->parentItem(); if (item) return qobject_cast(item->toGraphicsObject()); return nullptr; } WorksheetEntry* Worksheet::entryAt(QPointF p) { return entryAt(p.x(), p.y()); } void Worksheet::focusEntry(WorksheetEntry *entry) { if (!entry) return; entry->focusEntry(); //bool rt = entry->acceptRichText(); //setActionsEnabled(rt); //setAcceptRichText(rt); //ensureCursorVisible(); } void Worksheet::startDrag(WorksheetEntry* entry, QDrag* drag) { m_dragEntry = entry; WorksheetEntry* prev = entry->previous(); WorksheetEntry* next = entry->next(); m_placeholderEntry = new PlaceHolderEntry(this, entry->size()); m_placeholderEntry->setPrevious(prev); m_placeholderEntry->setNext(next); if (prev) prev->setNext(m_placeholderEntry); else setFirstEntry(m_placeholderEntry); if (next) next->setPrevious(m_placeholderEntry); else setLastEntry(m_placeholderEntry); m_dragEntry->hide(); Qt::DropAction action = drag->exec(); qDebug() << action; if (action == Qt::MoveAction && m_placeholderEntry) { qDebug() << "insert in new position"; prev = m_placeholderEntry->previous(); next = m_placeholderEntry->next(); } m_dragEntry->setPrevious(prev); m_dragEntry->setNext(next); if (prev) prev->setNext(m_dragEntry); else setFirstEntry(m_dragEntry); if (next) next->setPrevious(m_dragEntry); else setLastEntry(m_dragEntry); m_dragEntry->show(); m_dragEntry->focusEntry(); const QPointF scenePos = worksheetView()->sceneCursorPos(); if (entryAt(scenePos) != m_dragEntry) m_dragEntry->hideActionBar(); updateLayout(); if (m_placeholderEntry) { m_placeholderEntry->setPrevious(nullptr); m_placeholderEntry->setNext(nullptr); m_placeholderEntry->hide(); m_placeholderEntry->deleteLater(); m_placeholderEntry = nullptr; } m_dragEntry = nullptr; } void Worksheet::evaluate() { qDebug()<<"evaluate worksheet"; if (!m_loginDone) loginToSession(); firstEntry()->evaluate(WorksheetEntry::EvaluateNext); emit modified(); } void Worksheet::evaluateCurrentEntry() { if (!m_loginDone) loginToSession(); WorksheetEntry* entry = currentEntry(); if(!entry) return; entry->evaluateCurrentItem(); } bool Worksheet::completionEnabled() { return m_completionEnabled; } void Worksheet::showCompletion() { //for backends which fetch the completion from the corresponding interpreter //we need to do the login first. //TODO: ideally, this logic is implemented in the actual session classes //and the worksheet doesn't need to know anything about this. //But as long as we have some additional logic in Worksheet::loginToSession(), //we need to handle this here. if (!m_loginDone && (m_session->backend()->name() == QLatin1String("Julia") || m_session->backend()->name() == QLatin1String("R") || m_session->backend()->name() == QLatin1String("Octave")) ) loginToSession(); WorksheetEntry* current = currentEntry(); current->showCompletion(); } WorksheetEntry* Worksheet::appendEntry(const int type) { WorksheetEntry* entry = WorksheetEntry::create(type, this); if (entry) { qDebug() << "Entry Appended"; entry->setPrevious(lastEntry()); if (lastEntry()) lastEntry()->setNext(entry); if (!firstEntry()) setFirstEntry(entry); setLastEntry(entry); updateLayout(); makeVisible(entry); focusEntry(entry); } return entry; } WorksheetEntry* Worksheet::appendCommandEntry() { return appendEntry(CommandEntry::Type); } WorksheetEntry* Worksheet::appendTextEntry() { return appendEntry(TextEntry::Type); } WorksheetEntry* Worksheet::appendPageBreakEntry() { return appendEntry(PageBreakEntry::Type); } WorksheetEntry* Worksheet::appendImageEntry() { return appendEntry(ImageEntry::Type); } WorksheetEntry* Worksheet::appendLatexEntry() { return appendEntry(LatexEntry::Type); } void Worksheet::appendCommandEntry(const QString& text) { WorksheetEntry* entry = lastEntry(); if(!entry->isEmpty()) { entry = appendCommandEntry(); } if (entry) { focusEntry(entry); entry->setContent(text); evaluateCurrentEntry(); } } WorksheetEntry* Worksheet::insertEntry(const int type, WorksheetEntry* current) { if (!current) current = currentEntry(); if (!current) return appendEntry(type); WorksheetEntry *next = current->next(); WorksheetEntry *entry = nullptr; if (!next || next->type() != type || !next->isEmpty()) { entry = WorksheetEntry::create(type, this); entry->setPrevious(current); entry->setNext(next); current->setNext(entry); if (next) next->setPrevious(entry); else setLastEntry(entry); updateLayout(); } else { entry = next; } focusEntry(entry); makeVisible(entry); return entry; } WorksheetEntry* Worksheet::insertTextEntry(WorksheetEntry* current) { return insertEntry(TextEntry::Type, current); } WorksheetEntry* Worksheet::insertCommandEntry(WorksheetEntry* current) { return insertEntry(CommandEntry::Type, current); } WorksheetEntry* Worksheet::insertImageEntry(WorksheetEntry* current) { return insertEntry(ImageEntry::Type, current); } WorksheetEntry* Worksheet::insertPageBreakEntry(WorksheetEntry* current) { return insertEntry(PageBreakEntry::Type, current); } WorksheetEntry* Worksheet::insertLatexEntry(WorksheetEntry* current) { return insertEntry(LatexEntry::Type, current); } void Worksheet::insertCommandEntry(const QString& text) { WorksheetEntry* entry = insertCommandEntry(); if(entry&&!text.isNull()) { entry->setContent(text); evaluateCurrentEntry(); } } WorksheetEntry* Worksheet::insertEntryBefore(int type, WorksheetEntry* current) { if (!current) current = currentEntry(); if (!current) return nullptr; WorksheetEntry *prev = current->previous(); WorksheetEntry *entry = nullptr; if(!prev || prev->type() != type || !prev->isEmpty()) { entry = WorksheetEntry::create(type, this); entry->setNext(current); entry->setPrevious(prev); current->setPrevious(entry); if (prev) prev->setNext(entry); else setFirstEntry(entry); updateLayout(); } focusEntry(entry); return entry; } WorksheetEntry* Worksheet::insertTextEntryBefore(WorksheetEntry* current) { return insertEntryBefore(TextEntry::Type, current); } WorksheetEntry* Worksheet::insertCommandEntryBefore(WorksheetEntry* current) { return insertEntryBefore(CommandEntry::Type, current); } WorksheetEntry* Worksheet::insertPageBreakEntryBefore(WorksheetEntry* current) { return insertEntryBefore(PageBreakEntry::Type, current); } WorksheetEntry* Worksheet::insertImageEntryBefore(WorksheetEntry* current) { return insertEntryBefore(ImageEntry::Type, current); } WorksheetEntry* Worksheet::insertLatexEntryBefore(WorksheetEntry* current) { return insertEntryBefore(LatexEntry::Type, current); } void Worksheet::interrupt() { if (m_session->status() == Cantor::Session::Running) { m_session->interrupt(); emit updatePrompt(); } } void Worksheet::interruptCurrentEntryEvaluation() { currentEntry()->interruptEvaluation(); } void Worksheet::highlightItem(WorksheetTextItem* item) { if (!m_highlighter) return; QTextDocument *oldDocument = m_highlighter->document(); QList > formats; if (oldDocument) { for (QTextBlock b = oldDocument->firstBlock(); b.isValid(); b = b.next()) { formats.append(b.layout()->additionalFormats()); } } // Not every highlighter is a Cantor::DefaultHighligther (e.g. the // highlighter for KAlgebra) Cantor::DefaultHighlighter* hl = qobject_cast(m_highlighter); if (hl) { hl->setTextItem(item); } else { m_highlighter->setDocument(item->document()); } if (oldDocument) { QTextCursor cursor(oldDocument); cursor.beginEditBlock(); for (QTextBlock b = oldDocument->firstBlock(); b.isValid(); b = b.next()) { b.layout()->setAdditionalFormats(formats.first()); formats.pop_front(); } cursor.endEditBlock(); } } void Worksheet::rehighlight() { if(m_highlighter) { // highlight every entry WorksheetEntry* entry; for (entry = firstEntry(); entry; entry = entry->next()) { WorksheetTextItem* item = entry->highlightItem(); if (!item) continue; highlightItem(item); m_highlighter->rehighlight(); } entry = currentEntry(); WorksheetTextItem* textitem = entry ? entry->highlightItem() : nullptr; if (textitem && textitem->hasFocus()) highlightItem(textitem); } else { // remove highlighting from entries WorksheetEntry* entry; for (entry = firstEntry(); entry; entry = entry->next()) { WorksheetTextItem* item = entry->highlightItem(); if (!item) continue; for (QTextBlock b = item->document()->firstBlock(); b.isValid(); b = b.next()) { b.layout()->clearAdditionalFormats(); } } update(); } } void Worksheet::enableHighlighting(bool highlight) { if(highlight) { if(m_highlighter) m_highlighter->deleteLater(); //octave highligther fetches the function names from octave -> we need to login here //TODO: re-design this later - highlighting should also be possible in the absence of the actual backend if (!m_loginDone && m_session->backend()->name() == QLatin1String("Octave")) loginToSession(); m_highlighter=session()->syntaxHighlighter(this); if(!m_highlighter) m_highlighter=new Cantor::DefaultHighlighter(this); connect(m_highlighter, SIGNAL(rulesChanged()), this, SLOT(rehighlight())); }else { if(m_highlighter) m_highlighter->deleteLater(); m_highlighter=nullptr; } rehighlight(); } void Worksheet::enableCompletion(bool enable) { m_completionEnabled=enable; } Cantor::Session* Worksheet::session() { return m_session; } bool Worksheet::isRunning() { return m_session->status()==Cantor::Session::Running; } bool Worksheet::showExpressionIds() { return m_showExpressionIds; } bool Worksheet::animationsEnabled() { return m_animationsEnabled; } void Worksheet::enableAnimations(bool enable) { m_animationsEnabled = enable; } void Worksheet::enableExpressionNumbering(bool enable) { m_showExpressionIds=enable; emit updatePrompt(); } QDomDocument Worksheet::toXML(KZip* archive) { QDomDocument doc( QLatin1String("CantorWorksheet") ); QDomElement root=doc.createElement( QLatin1String("Worksheet") ); root.setAttribute(QLatin1String("backend"), m_session->backend()->name()); doc.appendChild(root); for( WorksheetEntry* entry = firstEntry(); entry; entry = entry->next()) { QDomElement el = entry->toXml(doc, archive); root.appendChild( el ); } return doc; } void Worksheet::save( const QString& filename ) { QFile file(filename); if ( !file.open(QIODevice::WriteOnly) ) { KMessageBox::error( worksheetView(), i18n( "Cannot write file %1." , filename ), i18n( "Error - Cantor" )); return; } save(&file); } QByteArray Worksheet::saveToByteArray() { QBuffer buffer; save(&buffer); return buffer.buffer(); } void Worksheet::save( QIODevice* device) { qDebug()<<"saving to filename"; KZip zipFile( device ); if ( !zipFile.open(QIODevice::WriteOnly) ) { KMessageBox::error( worksheetView(), i18n( "Cannot write file." ), i18n( "Error - Cantor" )); return; } QByteArray content = toXML(&zipFile).toByteArray(); qDebug()<<"content: "<backend(); if (backend->extensions().contains(QLatin1String("ScriptExtension"))) { Cantor::ScriptExtension* e=dynamic_cast(backend->extension(QLatin1String(("ScriptExtension")))); cmdSep=e->commandSeparator(); commentStartingSeq = e->commentStartingSequence(); commentEndingSeq = e->commentEndingSequence(); } QTextStream stream(&file); for(WorksheetEntry * entry = firstEntry(); entry; entry = entry->next()) { const QString& str=entry->toPlain(cmdSep, commentStartingSeq, commentEndingSeq); if(!str.isEmpty()) stream << str + QLatin1Char('\n'); } file.close(); } void Worksheet::saveLatex(const QString& filename) { qDebug()<<"exporting to Latex: " <entry(QLatin1String("content.xml")); if (!contentEntry->isFile()) { qDebug()<<"error"; } const KArchiveFile* content=static_cast(contentEntry); QByteArray data=content->data(); qDebug()<<"read: "<isEnabled()) { KMessageBox::information(worksheetView(), i18n("There are some problems with the %1 backend,\n"\ "please check your configuration or install the needed packages.\n" "You will only be able to view this worksheet.", backendName), i18n("Cantor")); } + m_isLoadingFromFile = true; //cleanup the worksheet and all it contains delete m_session; m_session=nullptr; m_loginDone = false; //file can only be loaded in a worksheet that was not eidted/modified yet (s.a. CantorShell::load()) //in this case on the default "first entry" is available -> delete it. if (m_firstEntry) { delete m_firstEntry; m_firstEntry = nullptr; } //delete all items from the scene clear(); m_session=b->createSession(); qDebug()<<"loading entries"; QDomElement expressionChild = root.firstChildElement(); - WorksheetEntry* entry; + WorksheetEntry* entry = nullptr; while (!expressionChild.isNull()) { QString tag = expressionChild.tagName(); if (tag == QLatin1String("Expression")) { entry = appendCommandEntry(); entry->setContent(expressionChild, file); } else if (tag == QLatin1String("Text")) { entry = appendTextEntry(); entry->setContent(expressionChild, file); } else if (tag == QLatin1String("Latex")) { entry = appendLatexEntry(); entry->setContent(expressionChild, file); } else if (tag == QLatin1String("PageBreak")) { entry = appendPageBreakEntry(); entry->setContent(expressionChild, file); } else if (tag == QLatin1String("Image")) { - entry = appendImageEntry(); - entry->setContent(expressionChild, file); + entry = appendImageEntry(); + entry->setContent(expressionChild, file); } expressionChild = expressionChild.nextSiblingElement(); } + m_isLoadingFromFile = false; + //Set the Highlighting, depending on the current state //If the session isn't logged in, use the default enableHighlighting( m_highlighter!=nullptr || Settings::highlightDefault() ); emit sessionChanged(); } void Worksheet::gotResult(Cantor::Expression* expr) { if(expr==nullptr) expr=qobject_cast(sender()); if(expr==nullptr) return; //We're only interested in help results, others are handled by the WorksheetEntry if(expr->result()&&expr->result()->type()==Cantor::HelpResult::Type) { QString help=expr->result()->toHtml(); //Do some basic LaTeX replacing help.replace(QRegExp(QLatin1String("\\\\code\\{([^\\}]*)\\}")), QLatin1String("\\1")); help.replace(QRegExp(QLatin1String("\\$([^\\$])\\$")), QLatin1String("\\1")); emit showHelp(help); } } void Worksheet::removeCurrentEntry() { qDebug()<<"removing current entry"; WorksheetEntry* entry=currentEntry(); if(!entry) return; // In case we just removed this if (entry->isAncestorOf(m_lastFocusedTextItem)) m_lastFocusedTextItem = nullptr; entry->startRemoving(); } EpsRenderer* Worksheet::epsRenderer() { return &m_epsRenderer; } QMenu* Worksheet::createContextMenu() { QMenu *menu = new QMenu(worksheetView()); connect(menu, SIGNAL(aboutToHide()), menu, SLOT(deleteLater())); return menu; } void Worksheet::populateMenu(QMenu *menu, const QPointF& pos) { WorksheetEntry* entry = entryAt(pos); if (entry && !entry->isAncestorOf(m_lastFocusedTextItem)) { WorksheetTextItem* item = qgraphicsitem_cast(itemAt(pos, QTransform())); if (item && item->isEditable()) m_lastFocusedTextItem = item; } if (!isRunning()) menu->addAction(QIcon::fromTheme(QLatin1String("system-run")), i18n("Evaluate Worksheet"), this, SLOT(evaluate()), 0); else menu->addAction(QIcon::fromTheme(QLatin1String("process-stop")), i18n("Interrupt"), this, SLOT(interrupt()), 0); menu->addSeparator(); if (entry) { QMenu* insert = new QMenu(menu); QMenu* insertBefore = new QMenu(menu); insert->addAction(i18n("Command Entry"), entry, SLOT(insertCommandEntry())); insert->addAction(i18n("Text Entry"), entry, SLOT(insertTextEntry())); insert->addAction(i18n("LaTeX Entry"), entry, SLOT(insertLatexEntry())); insert->addAction(i18n("Image"), entry, SLOT(insertImageEntry())); insert->addAction(i18n("Page Break"), entry, SLOT(insertPageBreakEntry())); insertBefore->addAction(i18n("Command Entry"), entry, SLOT(insertCommandEntryBefore())); insertBefore->addAction(i18n("Text Entry"), entry, SLOT(insertTextEntryBefore())); insertBefore->addAction(i18n("LaTeX Entry"), entry, SLOT(insertLatexEntryBefore())); insertBefore->addAction(i18n("Image"), entry, SLOT(insertImageEntryBefore())); insertBefore->addAction(i18n("Page Break"), entry, SLOT(insertPageBreakEntryBefore())); insert->setTitle(i18n("Insert")); insertBefore->setTitle(i18n("Insert Before")); menu->addMenu(insert); menu->addMenu(insertBefore); } else { menu->addAction(i18n("Insert Command Entry"), this, SLOT(appendCommandEntry())); menu->addAction(i18n("Insert Text Entry"), this, SLOT(appendTextEntry())); menu->addAction(i18n("Insert LaTeX Entry"), this, SLOT(appendLatexEntry())); menu->addAction(i18n("Insert Image"), this, SLOT(appendImageEntry())); menu->addAction(i18n("Insert Page Break"), this, SLOT(appendPageBreakEntry())); } } void Worksheet::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) { // forward the event to the items QGraphicsScene::contextMenuEvent(event); if (!event->isAccepted()) { event->accept(); QMenu *menu = createContextMenu(); populateMenu(menu, event->scenePos()); menu->popup(event->screenPos()); } } void Worksheet::mousePressEvent(QGraphicsSceneMouseEvent* event) { QGraphicsScene::mousePressEvent(event); if (event->button() == Qt::LeftButton && !focusItem() && lastEntry() && event->scenePos().y() > lastEntry()->y() + lastEntry()->size().height()) lastEntry()->focusEntry(WorksheetTextItem::BottomRight); } void Worksheet::createActions(KActionCollection* collection) { // Mostly copied from KRichTextWidget::createActions(KActionCollection*) // It would be great if this wasn't necessary. // Text color QAction * action; /* This is "format-stroke-color" in KRichTextWidget */ action = new QAction(QIcon::fromTheme(QLatin1String("format-text-color")), i18nc("@action", "Text &Color..."), collection); action->setIconText(i18nc("@label text color", "Color")); action->setPriority(QAction::LowPriority); m_richTextActionList.append(action); collection->addAction(QLatin1String("format_text_foreground_color"), action); connect(action, SIGNAL(triggered()), this, SLOT(setTextForegroundColor())); // Text color action = new QAction(QIcon::fromTheme(QLatin1String("format-fill-color")), i18nc("@action", "Text &Highlight..."), collection); action->setPriority(QAction::LowPriority); m_richTextActionList.append(action); collection->addAction(QLatin1String("format_text_background_color"), action); connect(action, SIGNAL(triggered()), this, SLOT(setTextBackgroundColor())); // Font Family m_fontAction = new KFontAction(i18nc("@action", "&Font"), collection); m_richTextActionList.append(m_fontAction); collection->addAction(QLatin1String("format_font_family"), m_fontAction); connect(m_fontAction, SIGNAL(triggered(QString)), this, SLOT(setFontFamily(QString))); // Font Size m_fontSizeAction = new KFontSizeAction(i18nc("@action", "Font &Size"), collection); m_richTextActionList.append(m_fontSizeAction); collection->addAction(QLatin1String("format_font_size"), m_fontSizeAction); connect(m_fontSizeAction, SIGNAL(fontSizeChanged(int)), this, SLOT(setFontSize(int))); // Bold m_boldAction = new KToggleAction(QIcon::fromTheme(QLatin1String("format-text-bold")), i18nc("@action boldify selected text", "&Bold"), collection); m_boldAction->setPriority(QAction::LowPriority); QFont bold; bold.setBold(true); m_boldAction->setFont(bold); m_richTextActionList.append(m_boldAction); collection->addAction(QLatin1String("format_text_bold"), m_boldAction); collection->setDefaultShortcut(m_boldAction, Qt::CTRL + Qt::Key_B); connect(m_boldAction, SIGNAL(triggered(bool)), this, SLOT(setTextBold(bool))); // Italic m_italicAction = new KToggleAction(QIcon::fromTheme(QLatin1String("format-text-italic")), i18nc("@action italicize selected text", "&Italic"), collection); m_italicAction->setPriority(QAction::LowPriority); QFont italic; italic.setItalic(true); m_italicAction->setFont(italic); m_richTextActionList.append(m_italicAction); collection->addAction(QLatin1String("format_text_italic"), m_italicAction); collection->setDefaultShortcut(m_italicAction, Qt::CTRL + Qt::Key_I); connect(m_italicAction, SIGNAL(triggered(bool)), this, SLOT(setTextItalic(bool))); // Underline m_underlineAction = new KToggleAction(QIcon::fromTheme(QLatin1String("format-text-underline")), i18nc("@action underline selected text", "&Underline"), collection); m_underlineAction->setPriority(QAction::LowPriority); QFont underline; underline.setUnderline(true); m_underlineAction->setFont(underline); m_richTextActionList.append(m_underlineAction); collection->addAction(QLatin1String("format_text_underline"), m_underlineAction); collection->setDefaultShortcut(m_underlineAction, Qt::CTRL + Qt::Key_U); connect(m_underlineAction, SIGNAL(triggered(bool)), this, SLOT(setTextUnderline(bool))); // Strike m_strikeOutAction = new KToggleAction(QIcon::fromTheme(QLatin1String("format-text-strikethrough")), i18nc("@action", "&Strike Out"), collection); m_strikeOutAction->setPriority(QAction::LowPriority); m_richTextActionList.append(m_strikeOutAction); collection->addAction(QLatin1String("format_text_strikeout"), m_strikeOutAction); collection->setDefaultShortcut(m_strikeOutAction, Qt::CTRL + Qt::Key_L); connect(m_strikeOutAction, SIGNAL(triggered(bool)), this, SLOT(setTextStrikeOut(bool))); // Alignment QActionGroup *alignmentGroup = new QActionGroup(this); // Align left m_alignLeftAction = new KToggleAction(QIcon::fromTheme(QLatin1String("format-justify-left")), i18nc("@action", "Align &Left"), collection); m_alignLeftAction->setPriority(QAction::LowPriority); m_alignLeftAction->setIconText(i18nc("@label left justify", "Left")); m_richTextActionList.append(m_alignLeftAction); collection->addAction(QLatin1String("format_align_left"), m_alignLeftAction); connect(m_alignLeftAction, SIGNAL(triggered()), this, SLOT(setAlignLeft())); alignmentGroup->addAction(m_alignLeftAction); // Align center m_alignCenterAction = new KToggleAction(QIcon::fromTheme(QLatin1String("format-justify-center")), i18nc("@action", "Align &Center"), collection); m_alignCenterAction->setPriority(QAction::LowPriority); m_alignCenterAction->setIconText(i18nc("@label center justify", "Center")); m_richTextActionList.append(m_alignCenterAction); collection->addAction(QLatin1String("format_align_center"), m_alignCenterAction); connect(m_alignCenterAction, SIGNAL(triggered()), this, SLOT(setAlignCenter())); alignmentGroup->addAction(m_alignCenterAction); // Align right m_alignRightAction = new KToggleAction(QIcon::fromTheme(QLatin1String("format-justify-right")), i18nc("@action", "Align &Right"), collection); m_alignRightAction->setPriority(QAction::LowPriority); m_alignRightAction->setIconText(i18nc("@label right justify", "Right")); m_richTextActionList.append(m_alignRightAction); collection->addAction(QLatin1String("format_align_right"), m_alignRightAction); connect(m_alignRightAction, SIGNAL(triggered()), this, SLOT(setAlignRight())); alignmentGroup->addAction(m_alignRightAction); // Align justify m_alignJustifyAction = new KToggleAction(QIcon::fromTheme(QLatin1String("format-justify-fill")), i18nc("@action", "&Justify"), collection); m_alignJustifyAction->setPriority(QAction::LowPriority); m_alignJustifyAction->setIconText(i18nc("@label justify fill", "Justify")); m_richTextActionList.append(m_alignJustifyAction); collection->addAction(QLatin1String("format_align_justify"), m_alignJustifyAction); connect(m_alignJustifyAction, SIGNAL(triggered()), this, SLOT(setAlignJustify())); alignmentGroup->addAction(m_alignJustifyAction); /* // List style KSelectAction* selAction; selAction = new KSelectAction(QIcon::fromTheme("format-list-unordered"), i18nc("@title:menu", "List Style"), collection); QStringList listStyles; listStyles << i18nc("@item:inmenu no list style", "None") << i18nc("@item:inmenu disc list style", "Disc") << i18nc("@item:inmenu circle list style", "Circle") << i18nc("@item:inmenu square list style", "Square") << i18nc("@item:inmenu numbered lists", "123") << i18nc("@item:inmenu lowercase abc lists", "abc") << i18nc("@item:inmenu uppercase abc lists", "ABC"); selAction->setItems(listStyles); selAction->setCurrentItem(0); action = selAction; m_richTextActionList.append(action); collection->addAction("format_list_style", action); connect(action, SIGNAL(triggered(int)), this, SLOT(_k_setListStyle(int))); connect(action, SIGNAL(triggered()), this, SLOT(_k_updateMiscActions())); // Indent action = new QAction(QIcon::fromTheme("format-indent-more"), i18nc("@action", "Increase Indent"), collection); action->setPriority(QAction::LowPriority); m_richTextActionList.append(action); collection->addAction("format_list_indent_more", action); connect(action, SIGNAL(triggered()), this, SLOT(indentListMore())); connect(action, SIGNAL(triggered()), this, SLOT(_k_updateMiscActions())); // Dedent action = new QAction(QIcon::fromTheme("format-indent-less"), i18nc("@action", "Decrease Indent"), collection); action->setPriority(QAction::LowPriority); m_richTextActionList.append(action); collection->addAction("format_list_indent_less", action); connect(action, SIGNAL(triggered()), this, SLOT(indentListLess())); connect(action, SIGNAL(triggered()), this, SLOT(_k_updateMiscActions())); */ } WorksheetTextItem* Worksheet::lastFocusedTextItem() { return m_lastFocusedTextItem; } void Worksheet::updateFocusedTextItem(WorksheetTextItem* newItem) { if (m_lastFocusedTextItem && m_lastFocusedTextItem != newItem) { disconnect(m_lastFocusedTextItem, SIGNAL(undoAvailable(bool)), this, SIGNAL(undoAvailable(bool))); disconnect(m_lastFocusedTextItem, SIGNAL(redoAvailable(bool)), this, SIGNAL(redoAvailable(bool))); disconnect(this, SIGNAL(undo()), m_lastFocusedTextItem, SLOT(undo())); disconnect(this, SIGNAL(redo()), m_lastFocusedTextItem, SLOT(redo())); disconnect(m_lastFocusedTextItem, SIGNAL(cutAvailable(bool)), this, SIGNAL(cutAvailable(bool))); disconnect(m_lastFocusedTextItem, SIGNAL(copyAvailable(bool)), this, SIGNAL(copyAvailable(bool))); disconnect(m_lastFocusedTextItem, SIGNAL(pasteAvailable(bool)), this, SIGNAL(pasteAvailable(bool))); disconnect(this, SIGNAL(cut()), m_lastFocusedTextItem, SLOT(cut())); disconnect(this, SIGNAL(copy()), m_lastFocusedTextItem, SLOT(copy())); disconnect(this, SIGNAL(paste()), m_lastFocusedTextItem, SLOT(paste())); m_lastFocusedTextItem->clearSelection(); } if (newItem && m_lastFocusedTextItem != newItem) { setAcceptRichText(newItem->richTextEnabled()); emit undoAvailable(newItem->isUndoAvailable()); emit redoAvailable(newItem->isRedoAvailable()); connect(newItem, SIGNAL(undoAvailable(bool)), this, SIGNAL(undoAvailable(bool))); connect(newItem, SIGNAL(redoAvailable(bool)), this, SIGNAL(redoAvailable(bool))); connect(this, SIGNAL(undo()), newItem, SLOT(undo())); connect(this, SIGNAL(redo()), newItem, SLOT(redo())); emit cutAvailable(newItem->isCutAvailable()); emit copyAvailable(newItem->isCopyAvailable()); emit pasteAvailable(newItem->isPasteAvailable()); connect(newItem, SIGNAL(cutAvailable(bool)), this, SIGNAL(cutAvailable(bool))); connect(newItem, SIGNAL(copyAvailable(bool)), this, SIGNAL(copyAvailable(bool))); connect(newItem, SIGNAL(pasteAvailable(bool)), this, SIGNAL(pasteAvailable(bool))); connect(this, SIGNAL(cut()), newItem, SLOT(cut())); connect(this, SIGNAL(copy()), newItem, SLOT(copy())); connect(this, SIGNAL(paste()), newItem, SLOT(paste())); } else if (!newItem) { emit undoAvailable(false); emit redoAvailable(false); emit cutAvailable(false); emit copyAvailable(false); emit pasteAvailable(false); } m_lastFocusedTextItem = newItem; } void Worksheet::setRichTextInformation(const RichTextInfo& info) { m_boldAction->setChecked(info.bold); m_italicAction->setChecked(info.italic); m_underlineAction->setChecked(info.underline); m_strikeOutAction->setChecked(info.strikeOut); m_fontAction->setFont(info.font); if (info.fontSize > 0) m_fontSizeAction->setFontSize(info.fontSize); if (info.align & Qt::AlignLeft) m_alignLeftAction->setChecked(true); else if (info.align & Qt::AlignCenter) m_alignCenterAction->setChecked(true); else if (info.align & Qt::AlignRight) m_alignRightAction->setChecked(true); else if (info.align & Qt::AlignJustify) m_alignJustifyAction->setChecked(true); } void Worksheet::setAcceptRichText(bool b) { foreach(QAction * action, m_richTextActionList) { action->setEnabled(b); } /* foreach(QWidget* widget, m_fontAction->createdWidgets()) { widget->setEnabled(b); } foreach(QWidget* widget, m_fontSizeAction->createdWidgets()) { widget->setEnabled(b); } */ } WorksheetTextItem* Worksheet::currentTextItem() { QGraphicsItem* item = focusItem(); if (!item) item = m_lastFocusedTextItem; while (item && item->type() != WorksheetTextItem::Type) item = item->parentItem(); return qgraphicsitem_cast(item); } void Worksheet::setTextForegroundColor() { WorksheetTextItem* item = currentTextItem(); if (item) item->setTextForegroundColor(); } void Worksheet::setTextBackgroundColor() { WorksheetTextItem* item = currentTextItem(); if (item) item->setTextBackgroundColor(); } void Worksheet::setTextBold(bool b) { WorksheetTextItem* item = currentTextItem(); if (item) item->setTextBold(b); } void Worksheet::setTextItalic(bool b) { WorksheetTextItem* item = currentTextItem(); if (item) item->setTextItalic(b); } void Worksheet::setTextUnderline(bool b) { WorksheetTextItem* item = currentTextItem(); if (item) item->setTextUnderline(b); } void Worksheet::setTextStrikeOut(bool b) { WorksheetTextItem* item = currentTextItem(); if (item) item->setTextStrikeOut(b); } void Worksheet::setAlignLeft() { WorksheetTextItem* item = currentTextItem(); if (item) item->setAlignment(Qt::AlignLeft); } void Worksheet::setAlignRight() { WorksheetTextItem* item = currentTextItem(); if (item) item->setAlignment(Qt::AlignRight); } void Worksheet::setAlignCenter() { WorksheetTextItem* item = currentTextItem(); if (item) item->setAlignment(Qt::AlignCenter); } void Worksheet::setAlignJustify() { WorksheetTextItem* item = currentTextItem(); if (item) item->setAlignment(Qt::AlignJustify); } void Worksheet::setFontFamily(QString font) { WorksheetTextItem* item = currentTextItem(); if (item) item->setFontFamily(font); } void Worksheet::setFontSize(int size) { WorksheetTextItem* item = currentTextItem(); if (item) item->setFontSize(size); } bool Worksheet::isShortcut(QKeySequence sequence) { return m_shortcuts.contains(sequence); } void Worksheet::registerShortcut(QAction* action) { foreach(QKeySequence shortcut, action->shortcuts()) { m_shortcuts.insert(shortcut, action); } connect(action, SIGNAL(changed()), this, SLOT(updateShortcut())); } void Worksheet::updateShortcut() { QAction* action = qobject_cast(sender()); if (!action) return; // delete the old shortcuts of this action QList shortcuts = m_shortcuts.keys(action); foreach(QKeySequence shortcut, shortcuts) { m_shortcuts.remove(shortcut); } // add the new shortcuts foreach(QKeySequence shortcut, action->shortcuts()) { m_shortcuts.insert(shortcut, action); } } void Worksheet::dragEnterEvent(QGraphicsSceneDragDropEvent* event) { qDebug() << "enter"; if (m_dragEntry) event->accept(); else QGraphicsScene::dragEnterEvent(event); } void Worksheet::dragLeaveEvent(QGraphicsSceneDragDropEvent* event) { if (!m_dragEntry) { QGraphicsScene::dragLeaveEvent(event); return; } qDebug() << "leave"; event->accept(); if (m_placeholderEntry) { m_placeholderEntry->startRemoving(); m_placeholderEntry = nullptr; } } void Worksheet::dragMoveEvent(QGraphicsSceneDragDropEvent* event) { if (!m_dragEntry) { QGraphicsScene::dragMoveEvent(event); return; } QPointF pos = event->scenePos(); WorksheetEntry* entry = entryAt(pos); WorksheetEntry* prev = nullptr; WorksheetEntry* next = nullptr; if (entry) { if (pos.y() < entry->y() + entry->size().height()/2) { prev = entry->previous(); next = entry; } else if (pos.y() >= entry->y() + entry->size().height()/2) { prev = entry; next = entry->next(); } } else { WorksheetEntry* last = lastEntry(); if (last && pos.y() > last->y() + last->size().height()) { prev = last; next = nullptr; } } if (prev || next) { PlaceHolderEntry* oldPlaceHolder = m_placeholderEntry; if (prev && prev->type() == PlaceHolderEntry::Type && (!prev->aboutToBeRemoved() || prev->stopRemoving())) { m_placeholderEntry = qgraphicsitem_cast(prev); m_placeholderEntry->changeSize(m_dragEntry->size()); } else if (next && next->type() == PlaceHolderEntry::Type && (!next->aboutToBeRemoved() || next->stopRemoving())) { m_placeholderEntry = qgraphicsitem_cast(next); m_placeholderEntry->changeSize(m_dragEntry->size()); } else { m_placeholderEntry = new PlaceHolderEntry(this, QSizeF(0,0)); m_placeholderEntry->setPrevious(prev); m_placeholderEntry->setNext(next); if (prev) prev->setNext(m_placeholderEntry); else setFirstEntry(m_placeholderEntry); if (next) next->setPrevious(m_placeholderEntry); else setLastEntry(m_placeholderEntry); m_placeholderEntry->changeSize(m_dragEntry->size()); } if (oldPlaceHolder && oldPlaceHolder != m_placeholderEntry) oldPlaceHolder->startRemoving(); updateLayout(); } const QPoint viewPos = worksheetView()->mapFromScene(pos); const int viewHeight = worksheetView()->viewport()->height(); if ((viewPos.y() < 10 || viewPos.y() > viewHeight - 10) && !m_dragScrollTimer) { m_dragScrollTimer = new QTimer(this); m_dragScrollTimer->setSingleShot(true); m_dragScrollTimer->setInterval(100); connect(m_dragScrollTimer, SIGNAL(timeout()), this, SLOT(updateDragScrollTimer())); m_dragScrollTimer->start(); } event->accept(); } void Worksheet::dropEvent(QGraphicsSceneDragDropEvent* event) { if (!m_dragEntry) QGraphicsScene::dropEvent(event); event->accept(); } void Worksheet::updateDragScrollTimer() { if (!m_dragScrollTimer) return; const QPoint viewPos = worksheetView()->viewCursorPos(); const QWidget* viewport = worksheetView()->viewport(); const int viewHeight = viewport->height(); if (!m_dragEntry || !(viewport->rect().contains(viewPos)) || (viewPos.y() >= 10 && viewPos.y() <= viewHeight - 10)) { delete m_dragScrollTimer; m_dragScrollTimer = nullptr; return; } if (viewPos.y() < 10) worksheetView()->scrollBy(-10*(10 - viewPos.y())); else worksheetView()->scrollBy(10*(viewHeight - viewPos.y())); m_dragScrollTimer->start(); } diff --git a/src/worksheet.h b/src/worksheet.h index 7ffbdb5c..bdf07c08 100644 --- a/src/worksheet.h +++ b/src/worksheet.h @@ -1,278 +1,280 @@ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. --- Copyright (C) 2009 Alexander Rieder Copyright (C) 2012 Martin Kuettler */ #ifndef WORKSHEET_H #define WORKSHEET_H #include #include #include #include #include #include #include #include "worksheetview.h" #include "epsrenderer.h" #include "worksheetcursor.h" namespace Cantor { class Backend; class Session; class Expression; } class WorksheetEntry; class PlaceHolderEntry; class WorksheetTextItem; class QDrag; class QAction; class KActionCollection; class KToggleAction; class KFontAction; class KFontSizeAction; class Worksheet : public QGraphicsScene { Q_OBJECT public: Worksheet(Cantor::Backend* backend, QWidget* parent); ~Worksheet() override; Cantor::Session* session(); bool isRunning(); bool showExpressionIds(); bool animationsEnabled(); bool isPrinting(); void setViewSize(qreal w, qreal h, qreal s, bool forceUpdate = false); WorksheetView* worksheetView(); void makeVisible(WorksheetEntry* entry); void makeVisible(const WorksheetCursor& cursor); void setModified(); void startDrag(WorksheetEntry* entry, QDrag* drag); void createActions(KActionCollection* collection); QMenu* createContextMenu(); void populateMenu(QMenu* menu, const QPointF& pos); EpsRenderer* epsRenderer(); bool isEmpty(); + bool isLoadingFromFile(); WorksheetEntry* currentEntry(); WorksheetEntry* firstEntry(); WorksheetEntry* lastEntry(); WorksheetTextItem* currentTextItem(); WorksheetTextItem* lastFocusedTextItem(); WorksheetCursor worksheetCursor(); void setWorksheetCursor(const WorksheetCursor&); void addProtrusion(qreal width); void updateProtrusion(qreal oldWidth, qreal newWidth); void removeProtrusion(qreal width); bool isShortcut(QKeySequence sequence); // richtext struct RichTextInfo { bool bold; bool italic; bool underline; bool strikeOut; QString font; qreal fontSize; Qt::Alignment align; }; public Q_SLOTS: WorksheetEntry* appendCommandEntry(); void appendCommandEntry(const QString& text); WorksheetEntry* appendTextEntry(); WorksheetEntry* appendImageEntry(); WorksheetEntry* appendPageBreakEntry(); WorksheetEntry* appendLatexEntry(); WorksheetEntry* insertCommandEntry(WorksheetEntry* current = nullptr); void insertCommandEntry(const QString& text); WorksheetEntry* insertTextEntry(WorksheetEntry* current = nullptr); WorksheetEntry* insertImageEntry(WorksheetEntry* current = nullptr); WorksheetEntry* insertPageBreakEntry(WorksheetEntry* current = nullptr); WorksheetEntry* insertLatexEntry(WorksheetEntry* current = nullptr); WorksheetEntry* insertCommandEntryBefore(WorksheetEntry* current = nullptr); WorksheetEntry* insertTextEntryBefore(WorksheetEntry* current = nullptr); WorksheetEntry* insertImageEntryBefore(WorksheetEntry* current = nullptr); WorksheetEntry* insertPageBreakEntryBefore(WorksheetEntry* current = nullptr); WorksheetEntry* insertLatexEntryBefore(WorksheetEntry* current = nullptr); void updateLayout(); void updateEntrySize(WorksheetEntry* entry); void print(QPrinter* printer); void focusEntry(WorksheetEntry * entry); void evaluate(); void evaluateCurrentEntry(); void interrupt(); void interruptCurrentEntryEvaluation(); bool completionEnabled(); //void showCompletion(); void highlightItem(WorksheetTextItem*); void rehighlight(); void enableHighlighting(bool highlight); void enableCompletion(bool enable); void enableExpressionNumbering(bool enable); void enableAnimations(bool enable); QDomDocument toXML(KZip* archive=nullptr); void save(const QString& filename); void save(QIODevice* device); QByteArray saveToByteArray(); void savePlain(const QString& filename); void saveLatex(const QString& filename); void load(QIODevice* device); void load(QByteArray* data); void load(const QString& filename); void gotResult(Cantor::Expression* expr=nullptr); void removeCurrentEntry(); void setFirstEntry(WorksheetEntry* entry); void setLastEntry(WorksheetEntry* entry); void invalidateFirstEntry(); void invalidateLastEntry(); void updateFocusedTextItem(WorksheetTextItem* item); void updateDragScrollTimer(); void registerShortcut(QAction*); void updateShortcut(); // richtext void setRichTextInformation(const RichTextInfo&); void setAcceptRichText(bool b); void setTextForegroundColor(); void setTextBackgroundColor(); void setTextBold(bool b); void setTextItalic(bool b); void setTextUnderline(bool b); void setTextStrikeOut(bool b); void setAlignLeft(); void setAlignRight(); void setAlignCenter(); void setAlignJustify(); void setFontFamily(QString font); void setFontSize(int size); Q_SIGNALS: void modified(); void sessionChanged(); void showHelp(const QString& help); void updatePrompt(); void undoAvailable(bool); void redoAvailable(bool); void undo(); void redo(); void cutAvailable(bool); void copyAvailable(bool); void pasteAvailable(bool); void cut(); void copy(); void paste(); protected: void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) Q_DECL_OVERRIDE; void mousePressEvent(QGraphicsSceneMouseEvent* event) Q_DECL_OVERRIDE; void dragEnterEvent(QGraphicsSceneDragDropEvent* event) Q_DECL_OVERRIDE; void dragLeaveEvent(QGraphicsSceneDragDropEvent* event) Q_DECL_OVERRIDE; void dragMoveEvent(QGraphicsSceneDragDropEvent* event) Q_DECL_OVERRIDE; void dropEvent(QGraphicsSceneDragDropEvent* event) Q_DECL_OVERRIDE; private Q_SLOTS: void loginToSession(); void showCompletion(); //void checkEntriesForSanity(); WorksheetEntry* appendEntry(int type); WorksheetEntry* insertEntry(int type, WorksheetEntry* current = nullptr); WorksheetEntry* insertEntryBefore(int type, WorksheetEntry* current = nullptr); private: WorksheetEntry* entryAt(qreal x, qreal y); WorksheetEntry* entryAt(QPointF p); WorksheetEntry* entryAt(int row); int entryCount(); private: static const double LeftMargin; static const double RightMargin; static const double TopMargin; Cantor::Session *m_session; QSyntaxHighlighter* m_highlighter; EpsRenderer m_epsRenderer; WorksheetEntry* m_firstEntry; WorksheetEntry* m_lastEntry; WorksheetEntry* m_dragEntry; PlaceHolderEntry* m_placeholderEntry; WorksheetTextItem* m_lastFocusedTextItem; QTimer* m_dragScrollTimer; double m_viewWidth; double m_protrusion; QMap m_itemProtrusions; QMap m_shortcuts; QList m_richTextActionList; KToggleAction* m_boldAction; KToggleAction* m_italicAction; KToggleAction* m_underlineAction; KToggleAction* m_strikeOutAction; KFontAction* m_fontAction; KFontSizeAction* m_fontSizeAction; KToggleAction* m_alignLeftAction; KToggleAction* m_alignCenterAction; KToggleAction* m_alignRightAction; KToggleAction* m_alignJustifyAction; bool m_completionEnabled; bool m_showExpressionIds; bool m_animationsEnabled; bool m_loginDone; bool m_isPrinting; + bool m_isLoadingFromFile; }; #endif // WORKSHEET_H diff --git a/src/worksheetentry.cpp b/src/worksheetentry.cpp index 496ca93b..fee5de80 100644 --- a/src/worksheetentry.cpp +++ b/src/worksheetentry.cpp @@ -1,792 +1,792 @@ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. --- Copyright (C) 2012 Martin Kuettler */ #include "worksheetentry.h" #include "commandentry.h" #include "textentry.h" #include "latexentry.h" #include "imageentry.h" #include "pagebreakentry.h" #include "settings.h" #include "actionbar.h" #include "worksheettoolbutton.h" #include #include #include #include #include #include #include #include #include #include struct AnimationData { QAnimationGroup* animation; QPropertyAnimation* sizeAnimation; QPropertyAnimation* opacAnimation; QPropertyAnimation* posAnimation; const char* slot; QGraphicsObject* item; }; const qreal WorksheetEntry::VerticalMargin = 4; WorksheetEntry::WorksheetEntry(Worksheet* worksheet) : QGraphicsObject() { m_next = nullptr; m_prev = nullptr; m_animation = nullptr; m_actionBar = nullptr; m_actionBarAnimation = nullptr; m_aboutToBeRemoved = false; setAcceptHoverEvents(true); worksheet->addItem(this); } WorksheetEntry::~WorksheetEntry() { emit aboutToBeDeleted(); if (next()) next()->setPrevious(previous()); if (previous()) previous()->setNext(next()); if (m_animation) { m_animation->animation->deleteLater(); delete m_animation; } } int WorksheetEntry::type() const { return Type; } WorksheetEntry* WorksheetEntry::create(int t, Worksheet* worksheet) { switch(t) { case TextEntry::Type: return new TextEntry(worksheet); case CommandEntry::Type: return new CommandEntry(worksheet); case ImageEntry::Type: return new ImageEntry(worksheet); case PageBreakEntry::Type: return new PageBreakEntry(worksheet); case LatexEntry::Type: return new LatexEntry(worksheet); default: return nullptr; } } void WorksheetEntry::insertCommandEntry() { worksheet()->insertCommandEntry(this); } void WorksheetEntry::insertTextEntry() { worksheet()->insertTextEntry(this); } void WorksheetEntry::insertLatexEntry() { worksheet()->insertLatexEntry(this); } void WorksheetEntry::insertImageEntry() { worksheet()->insertImageEntry(this); } void WorksheetEntry::insertPageBreakEntry() { worksheet()->insertPageBreakEntry(this); } void WorksheetEntry::insertCommandEntryBefore() { worksheet()->insertCommandEntryBefore(this); } void WorksheetEntry::insertTextEntryBefore() { worksheet()->insertTextEntryBefore(this); } void WorksheetEntry::insertLatexEntryBefore() { worksheet()->insertLatexEntryBefore(this); } void WorksheetEntry::insertImageEntryBefore() { worksheet()->insertImageEntryBefore(this); } void WorksheetEntry::insertPageBreakEntryBefore() { worksheet()->insertPageBreakEntryBefore(this); } void WorksheetEntry::showCompletion() { } WorksheetEntry* WorksheetEntry::next() const { return m_next; } WorksheetEntry* WorksheetEntry::previous() const { return m_prev; } void WorksheetEntry::setNext(WorksheetEntry* n) { m_next = n; } void WorksheetEntry::setPrevious(WorksheetEntry* p) { m_prev = p; } void WorksheetEntry::startDrag(const QPointF& grabPos) { QDrag* drag = new QDrag(worksheetView()); qDebug() << size(); const qreal scale = worksheet()->epsRenderer()->scale(); QPixmap pixmap((size()*scale).toSize()); pixmap.fill(QColor(255, 255, 255, 0)); QPainter painter(&pixmap); const QRectF sceneRect = mapRectToScene(boundingRect()); worksheet()->render(&painter, pixmap.rect(), sceneRect); painter.end(); QBitmap mask = pixmap.createMaskFromColor(QColor(255, 255, 255), Qt::MaskInColor); pixmap.setMask(mask); drag->setPixmap(pixmap); if (grabPos.isNull()) { const QPointF scenePos = worksheetView()->sceneCursorPos(); drag->setHotSpot((mapFromScene(scenePos) * scale).toPoint()); } else { drag->setHotSpot((grabPos * scale).toPoint()); } drag->setMimeData(new QMimeData()); worksheet()->startDrag(this, drag); } QRectF WorksheetEntry::boundingRect() const { return QRectF(QPointF(0,0), m_size); } void WorksheetEntry::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { Q_UNUSED(painter); Q_UNUSED(option); Q_UNUSED(widget); } bool WorksheetEntry::focusEntry(int pos, qreal xCoord) { Q_UNUSED(pos); Q_UNUSED(xCoord); if (flags() & QGraphicsItem::ItemIsFocusable) { setFocus(); return true; } return false; } void WorksheetEntry::moveToPreviousEntry(int pos, qreal x) { WorksheetEntry* entry = previous(); while (entry && !(entry->wantFocus() && entry->focusEntry(pos, x))) entry = entry->previous(); } void WorksheetEntry::moveToNextEntry(int pos, qreal x) { WorksheetEntry* entry = next(); while (entry && !(entry->wantFocus() && entry->focusEntry(pos, x))) entry = entry->next(); } Worksheet* WorksheetEntry::worksheet() { return qobject_cast(scene()); } WorksheetView* WorksheetEntry::worksheetView() { return worksheet()->worksheetView(); } WorksheetCursor WorksheetEntry::search(QString pattern, unsigned flags, QTextDocument::FindFlags qt_flags, const WorksheetCursor& pos) { Q_UNUSED(pattern); Q_UNUSED(flags); Q_UNUSED(qt_flags); Q_UNUSED(pos); return WorksheetCursor(); } void WorksheetEntry::keyPressEvent(QKeyEvent* event) { // This event is used in Entries that set the ItemIsFocusable flag switch(event->key()) { case Qt::Key_Left: case Qt::Key_Up: if (event->modifiers() == Qt::NoModifier) moveToPreviousEntry(WorksheetTextItem::BottomRight, 0); break; case Qt::Key_Right: case Qt::Key_Down: if (event->modifiers() == Qt::NoModifier) moveToNextEntry(WorksheetTextItem::TopLeft, 0); break; /*case Qt::Key_Enter: case Qt::Key_Return: if (event->modifiers() == Qt::ShiftModifier) evaluate(); else if (event->modifiers() == Qt::ControlModifier) worksheet()->insertCommandEntry(); break; case Qt::Key_Delete: if (event->modifiers() == Qt::ShiftModifier) startRemoving(); break;*/ default: event->ignore(); } } void WorksheetEntry::contextMenuEvent(QGraphicsSceneContextMenuEvent *event) { QMenu *menu = worksheet()->createContextMenu(); populateMenu(menu, event->pos()); menu->popup(event->screenPos()); } void WorksheetEntry::populateMenu(QMenu *menu, const QPointF& pos) { if (!worksheet()->isRunning() && wantToEvaluate()) menu->addAction(i18n("Evaluate Entry"), this, SLOT(evaluate()), 0); menu->addAction(QIcon::fromTheme(QLatin1String("edit-delete")), i18n("Remove Entry"), this, SLOT(startRemoving()), 0); worksheet()->populateMenu(menu, mapToScene(pos)); } bool WorksheetEntry::evaluateCurrentItem() { // A default implementation that works well for most entries, // because they have only one item. return evaluate(); } void WorksheetEntry::evaluateNext(EvaluationOption opt) { WorksheetEntry* entry = next(); while (entry && !entry->wantFocus()) entry = entry->next(); if (entry) { if (opt == EvaluateNext || Settings::self()->autoEval()) { entry->evaluate(EvaluateNext); } else if (opt == FocusNext) { worksheet()->setModified(); entry->focusEntry(WorksheetTextItem::BottomRight); } else { worksheet()->setModified(); } } else if (opt != DoNothing) { - if (!isEmpty() || type() != CommandEntry::Type) + if (!isEmpty() && !worksheet()->isLoadingFromFile() || type() != CommandEntry::Type) worksheet()->appendCommandEntry(); else focusEntry(); worksheet()->setModified(); } } qreal WorksheetEntry::setGeometry(qreal x, qreal y, qreal w) { setPos(x, y); layOutForWidth(w); return size().height(); } void WorksheetEntry::recalculateSize() { qreal height = size().height(); layOutForWidth(size().width(), true); if (height != size().height()) worksheet()->updateEntrySize(this); } QPropertyAnimation* WorksheetEntry::sizeChangeAnimation(QSizeF s) { QSizeF oldSize; QSizeF newSize; if (s.isValid()) { oldSize = size(); newSize = s; } else { oldSize = size(); layOutForWidth(size().width(), true); newSize = size(); } qDebug() << oldSize << newSize; QPropertyAnimation* sizeAn = new QPropertyAnimation(this, "size", this); sizeAn->setDuration(200); sizeAn->setStartValue(oldSize); sizeAn->setEndValue(newSize); sizeAn->setEasingCurve(QEasingCurve::InOutQuad); connect(sizeAn, &QPropertyAnimation::valueChanged, this, &WorksheetEntry::sizeAnimated); return sizeAn; } void WorksheetEntry::sizeAnimated() { worksheet()->updateEntrySize(this); } void WorksheetEntry::animateSizeChange() { if (!worksheet()->animationsEnabled()) { recalculateSize(); return; } if (m_animation) { layOutForWidth(size().width(), true); return; } QPropertyAnimation* sizeAn = sizeChangeAnimation(); m_animation = new AnimationData; m_animation->item = nullptr; m_animation->slot = nullptr; m_animation->opacAnimation = nullptr; m_animation->posAnimation = nullptr; m_animation->sizeAnimation = sizeAn; m_animation->sizeAnimation->setEasingCurve(QEasingCurve::OutCubic); m_animation->animation = new QParallelAnimationGroup(this); m_animation->animation->addAnimation(m_animation->sizeAnimation); connect(m_animation->animation, &QAnimationGroup::finished, this, &WorksheetEntry::endAnimation); m_animation->animation->start(); } void WorksheetEntry::fadeInItem(QGraphicsObject* item, const char* slot) { if (!worksheet()->animationsEnabled()) { recalculateSize(); if (slot) invokeSlotOnObject(slot, item); return; } if (m_animation) { // this calculates the new size and calls updateSizeAnimation layOutForWidth(size().width(), true); if (slot) invokeSlotOnObject(slot, item); return; } QPropertyAnimation* sizeAn = sizeChangeAnimation(); m_animation = new AnimationData; m_animation->sizeAnimation = sizeAn; m_animation->sizeAnimation->setEasingCurve(QEasingCurve::OutCubic); m_animation->opacAnimation = new QPropertyAnimation(item, "opacity", this); m_animation->opacAnimation->setDuration(200); m_animation->opacAnimation->setStartValue(0); m_animation->opacAnimation->setEndValue(1); m_animation->opacAnimation->setEasingCurve(QEasingCurve::OutCubic); m_animation->posAnimation = nullptr; m_animation->animation = new QParallelAnimationGroup(this); m_animation->item = item; m_animation->slot = slot; m_animation->animation->addAnimation(m_animation->sizeAnimation); m_animation->animation->addAnimation(m_animation->opacAnimation); connect(m_animation->animation, &QAnimationGroup::finished, this, &WorksheetEntry::endAnimation); m_animation->animation->start(); } void WorksheetEntry::fadeOutItem(QGraphicsObject* item, const char* slot) { // Note: The default value for slot is SLOT(deleteLater()), so item // will be deleted after the animation. if (!worksheet()->animationsEnabled()) { recalculateSize(); if (slot) invokeSlotOnObject(slot, item); return; } if (m_animation) { // this calculates the new size and calls updateSizeAnimation layOutForWidth(size().width(), true); if (slot) invokeSlotOnObject(slot, item); return; } QPropertyAnimation* sizeAn = sizeChangeAnimation(); m_animation = new AnimationData; m_animation->sizeAnimation = sizeAn; m_animation->opacAnimation = new QPropertyAnimation(item, "opacity", this); m_animation->opacAnimation->setDuration(200); m_animation->opacAnimation->setStartValue(1); m_animation->opacAnimation->setEndValue(0); m_animation->opacAnimation->setEasingCurve(QEasingCurve::OutCubic); m_animation->posAnimation = nullptr; m_animation->animation = new QParallelAnimationGroup(this); m_animation->item = item; m_animation->slot = slot; m_animation->animation->addAnimation(m_animation->sizeAnimation); m_animation->animation->addAnimation(m_animation->opacAnimation); connect(m_animation->animation, &QAnimationGroup::finished, this, &WorksheetEntry::endAnimation); m_animation->animation->start(); } void WorksheetEntry::endAnimation() { if (!m_animation) return; QAnimationGroup* anim = m_animation->animation; if (anim->state() == QAbstractAnimation::Running) { anim->stop(); if (m_animation->sizeAnimation) setSize(m_animation->sizeAnimation->endValue().value()); if (m_animation->opacAnimation) { qreal opac = m_animation->opacAnimation->endValue().value(); m_animation->item->setOpacity(opac); } if (m_animation->posAnimation) { const QPointF& pos = m_animation->posAnimation->endValue().value(); m_animation->item->setPos(pos); } // If the animation was connected to a slot, call it if (m_animation->slot) invokeSlotOnObject(m_animation->slot, m_animation->item); } m_animation->animation->deleteLater(); delete m_animation; m_animation = nullptr; } bool WorksheetEntry::animationActive() { return m_animation; } void WorksheetEntry::updateSizeAnimation(const QSizeF& size) { // Update the current animation, so that the new ending will be size if (!m_animation) return; if (m_aboutToBeRemoved) // do not modify the remove-animation return; if (m_animation->sizeAnimation) { QPropertyAnimation* sizeAn = m_animation->sizeAnimation; qreal progress = static_cast(sizeAn->currentTime()) / sizeAn->totalDuration(); QEasingCurve curve = sizeAn->easingCurve(); qreal value = curve.valueForProgress(progress); sizeAn->setEndValue(size); QSizeF newStart = 1/(1-value)*(sizeAn->currentValue().value() - value * size); sizeAn->setStartValue(newStart); } else { m_animation->sizeAnimation = sizeChangeAnimation(size); int d = m_animation->animation->duration() - m_animation->animation->currentTime(); m_animation->sizeAnimation->setDuration(d); m_animation->animation->addAnimation(m_animation->sizeAnimation); } } void WorksheetEntry::invokeSlotOnObject(const char* slot, QObject* obj) { const QMetaObject* metaObj = obj->metaObject(); const QByteArray normSlot = QMetaObject::normalizedSignature(slot); const int slotIndex = metaObj->indexOfSlot(normSlot.constData()); if (slotIndex == -1) qDebug() << "Warning: Tried to invoke an invalid slot:" << slot; const QMetaMethod method = metaObj->method(slotIndex); method.invoke(obj, Qt::DirectConnection); } bool WorksheetEntry::aboutToBeRemoved() { return m_aboutToBeRemoved; } void WorksheetEntry::startRemoving() { if (!worksheet()->animationsEnabled()) { m_aboutToBeRemoved = true; remove(); return; } if (m_aboutToBeRemoved) return; if (focusItem()) { if (!next()) { if (previous() && previous()->isEmpty() && !previous()->aboutToBeRemoved()) { previous()->focusEntry(); } else { WorksheetEntry* next = worksheet()->appendCommandEntry(); setNext(next); next->focusEntry(); } } else { next()->focusEntry(); } } if (m_animation) { endAnimation(); } m_aboutToBeRemoved = true; m_animation = new AnimationData; m_animation->sizeAnimation = new QPropertyAnimation(this, "size", this); m_animation->sizeAnimation->setDuration(300); m_animation->sizeAnimation->setEndValue(QSizeF(size().width(), 0)); m_animation->sizeAnimation->setEasingCurve(QEasingCurve::InOutQuad); connect(m_animation->sizeAnimation, &QPropertyAnimation::valueChanged, this, &WorksheetEntry::sizeAnimated); connect(m_animation->sizeAnimation, &QPropertyAnimation::finished, this, &WorksheetEntry::remove); m_animation->opacAnimation = new QPropertyAnimation(this, "opacity", this); m_animation->opacAnimation->setDuration(300); m_animation->opacAnimation->setEndValue(0); m_animation->opacAnimation->setEasingCurve(QEasingCurve::OutCubic); m_animation->posAnimation = nullptr; m_animation->animation = new QParallelAnimationGroup(this); m_animation->animation->addAnimation(m_animation->sizeAnimation); m_animation->animation->addAnimation(m_animation->opacAnimation); m_animation->animation->start(); } bool WorksheetEntry::stopRemoving() { if (!m_aboutToBeRemoved) return true; if (m_animation->animation->state() == QAbstractAnimation::Stopped) // we are too late to stop the deletion return false; m_aboutToBeRemoved = false; m_animation->animation->stop(); m_animation->animation->deleteLater(); delete m_animation; m_animation = nullptr; return true; } void WorksheetEntry::remove() { if (!m_aboutToBeRemoved) return; if (previous() && previous()->next() == this) previous()->setNext(next()); else worksheet()->setFirstEntry(next()); if (next() && next()->previous() == this) next()->setPrevious(previous()); else worksheet()->setLastEntry(previous()); // make the entry invisible to QGraphicsScene's itemAt() function hide(); worksheet()->updateLayout(); deleteLater(); } void WorksheetEntry::setSize(QSizeF size) { prepareGeometryChange(); if (m_actionBar && size != m_size) m_actionBar->updatePosition(); m_size = size; } QSizeF WorksheetEntry::size() { return m_size; } bool WorksheetEntry::hasActionBar() { return m_actionBar; } void WorksheetEntry::showActionBar() { if (m_actionBar && !m_actionBarAnimation) return; if (m_actionBarAnimation) { if (m_actionBarAnimation->endValue().toReal() == 1) return; m_actionBarAnimation->stop(); delete m_actionBarAnimation; m_actionBarAnimation = nullptr; } if (!m_actionBar) { m_actionBar = new ActionBar(this); m_actionBar->addButton(QIcon::fromTheme(QLatin1String("edit-delete")), i18n("Remove Entry"), this, SLOT(startRemoving())); WorksheetToolButton* dragButton; dragButton = m_actionBar->addButton(QIcon::fromTheme(QLatin1String("transform-move")), i18n("Drag Entry")); connect(dragButton, SIGNAL(pressed()), this, SLOT(startDrag())); if (wantToEvaluate()) { QString toolTip = i18n("Evaluate Entry"); m_actionBar->addButton(QIcon::fromTheme(QLatin1String("view-refresh")), toolTip, this, SLOT(evaluate())); } m_actionBar->addSpace(); addActionsToBar(m_actionBar); } if (worksheet()->animationsEnabled()) { m_actionBarAnimation = new QPropertyAnimation(m_actionBar, "opacity", this); m_actionBarAnimation->setStartValue(0); m_actionBarAnimation->setKeyValueAt(0.666, 0); m_actionBarAnimation->setEndValue(1); m_actionBarAnimation->setDuration(600); connect(m_actionBarAnimation, &QPropertyAnimation::finished, this, &WorksheetEntry::deleteActionBarAnimation); m_actionBarAnimation->start(); } } void WorksheetEntry::hideActionBar() { if (!m_actionBar) return; if (m_actionBarAnimation) { if (m_actionBarAnimation->endValue().toReal() == 0) return; m_actionBarAnimation->stop(); delete m_actionBarAnimation; m_actionBarAnimation = nullptr; } if (worksheet()->animationsEnabled()) { m_actionBarAnimation = new QPropertyAnimation(m_actionBar, "opacity", this); m_actionBarAnimation->setEndValue(0); m_actionBarAnimation->setEasingCurve(QEasingCurve::Linear); m_actionBarAnimation->setDuration(200); connect(m_actionBarAnimation, &QPropertyAnimation::finished, this, &WorksheetEntry::deleteActionBar); m_actionBarAnimation->start(); } else { deleteActionBar(); } } void WorksheetEntry::deleteActionBarAnimation() { if (m_actionBarAnimation) { delete m_actionBarAnimation; m_actionBarAnimation = nullptr; } } void WorksheetEntry::deleteActionBar() { if (m_actionBar) { delete m_actionBar; m_actionBar = nullptr; } deleteActionBarAnimation(); } void WorksheetEntry::addActionsToBar(ActionBar*) { } void WorksheetEntry::hoverEnterEvent(QGraphicsSceneHoverEvent* event) { Q_UNUSED(event); showActionBar(); } void WorksheetEntry::hoverLeaveEvent(QGraphicsSceneHoverEvent* event) { Q_UNUSED(event); hideActionBar(); } WorksheetTextItem* WorksheetEntry::highlightItem() { return nullptr; } bool WorksheetEntry::wantFocus() { return true; }