diff --git a/src/cantor_part.cpp b/src/cantor_part.cpp index 55294354..afb248b4 100644 --- a/src/cantor_part.cpp +++ b/src/cantor_part.cpp @@ -1,900 +1,882 @@ /* 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 */ #include "cantor_part.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "worksheet.h" #include "worksheetview.h" #include "searchbar.h" #include "scripteditor/scripteditorwidget.h" #include "lib/backend.h" #include "lib/extension.h" #include "lib/assistant.h" #include "lib/panelpluginhandler.h" #include "lib/panelplugin.h" #include "lib/worksheetaccess.h" #include "settings.h" //A concrete implementation of the WorksheetAccesssInterface class WorksheetAccessInterfaceImpl : public Cantor::WorksheetAccessInterface { - //Q_OBJECT + public: WorksheetAccessInterfaceImpl(QObject* parent, Worksheet* worksheet) : WorksheetAccessInterface(parent), m_worksheet(worksheet) { qDebug()<<"new worksheetaccess interface"; connect(worksheet, SIGNAL(modified()), this, SIGNAL(modified())); } ~WorksheetAccessInterfaceImpl() override = default; QByteArray saveWorksheetToByteArray() override { return m_worksheet->saveToByteArray(); } void loadWorksheetFromByteArray(QByteArray* data) override { m_worksheet->load(data); } Cantor::Session* session() override { return m_worksheet->session(); } -// public Q_SLOTS: + void evaluate() override { m_worksheet->evaluate(); } void interrupt() override { m_worksheet->interrupt(); } private: Worksheet* m_worksheet; }; CantorPart::CantorPart( QWidget *parentWidget, QObject *parent, const QVariantList & args ): KParts::ReadWritePart(parent), m_searchBar(nullptr), m_initProgressDlg(nullptr), m_showProgressDlg(true), m_showBackendHelp(nullptr), m_statusBarBlocked(false), m_sessionStatusCounter(0) { - qDebug()<<"Created a CantorPart"; - m_panelHandler=new Cantor::PanelPluginHandler(this); connect(m_panelHandler, SIGNAL(pluginsChanged()), this, SLOT(pluginsChanged())); QString backendName; if(args.isEmpty()) backendName=QLatin1String("null"); else backendName=args.first().toString(); - foreach(const QVariant& arg, args) + for (const QVariant& arg : args) { if (arg.toString() == QLatin1String("--noprogress") ) { qWarning()<<"not showing the progress bar by request"; m_showProgressDlg=false; } } Cantor::Backend* b=Cantor::Backend::createBackend(backendName); if(!b) { KMessageBox::error(parentWidget, i18n("Backend %1 is not installed", backendName), i18n("Error - Cantor")); setWidget(new QWidget(parentWidget)); //fake being modified so the shell won't try to reuse this part ReadWritePart::setModified(true); return; } qDebug()<<"Backend "<name()<<" offers extensions: "<extensions(); + + auto* collection = actionCollection(); + + //central widget QWidget* widget = new QWidget(parentWidget); QVBoxLayout* layout = new QVBoxLayout(widget); m_worksheet=new Worksheet(b, widget); m_worksheetview=new WorksheetView(m_worksheet, widget); m_worksheetview->setEnabled(false); //disable input until the session has successfully logged in and emits the ready signal connect(m_worksheet, SIGNAL(modified()), this, SLOT(setModified())); connect(m_worksheet, SIGNAL(showHelp(QString)), this, SIGNAL(showHelp(QString))); connect(m_worksheet, SIGNAL(loaded()), this, SLOT(initialized())); - connect(actionCollection(), SIGNAL(inserted(QAction*)), m_worksheet, - SLOT(registerShortcut(QAction*))); - + connect(collection, SIGNAL(inserted(QAction*)), m_worksheet, SLOT(registerShortcut(QAction*))); layout->addWidget(m_worksheetview); - // notify the part that this is our internal widget setWidget(widget); - Cantor::WorksheetAccessInterface* iface=new WorksheetAccessInterfaceImpl(this, m_worksheet); + //create WorksheetAccessInterface, used at the moment by LabPlot only to access Worksheet's API + Cantor::WorksheetAccessInterface* iface = new WorksheetAccessInterfaceImpl(this, m_worksheet); Q_UNUSED(iface); - // create our actions - m_worksheet->createActions(actionCollection()); + //initialize actions + m_worksheet->createActions(collection); - KStandardAction::saveAs(this, SLOT(fileSaveAs()), actionCollection()); - m_save = KStandardAction::save(this, SLOT(save()), actionCollection()); + KStandardAction::saveAs(this, SLOT(fileSaveAs()), collection); + m_save = KStandardAction::save(this, SLOT(save()), collection); m_save->setPriority(QAction::LowPriority); - QAction * savePlain=new QAction(i18n("Save Plain Text"), actionCollection()); - actionCollection()->addAction(QLatin1String("file_save_plain"), savePlain); + QAction* savePlain = new QAction(i18n("Save Plain Text"), collection); + collection->addAction(QLatin1String("file_save_plain"), savePlain); savePlain->setIcon(QIcon::fromTheme(QLatin1String("document-save"))); connect(savePlain, SIGNAL(triggered()), this, SLOT(fileSavePlain())); - QAction * undo=KStandardAction::undo(m_worksheet, SIGNAL(undo()), - actionCollection()); + QAction* undo = KStandardAction::undo(m_worksheet, SIGNAL(undo()), collection); undo->setPriority(QAction::LowPriority); - connect(m_worksheet, SIGNAL(undoAvailable(bool)), - undo, SLOT(setEnabled(bool))); - QAction * redo=KStandardAction::redo(m_worksheet, SIGNAL(redo()), - actionCollection()); + connect(m_worksheet, SIGNAL(undoAvailable(bool)), undo, SLOT(setEnabled(bool))); + + QAction* redo = KStandardAction::redo(m_worksheet, SIGNAL(redo()), collection); redo->setPriority(QAction::LowPriority); - connect(m_worksheet, SIGNAL(redoAvailable(bool)), - redo, SLOT(setEnabled(bool))); + connect(m_worksheet, SIGNAL(redoAvailable(bool)), redo, SLOT(setEnabled(bool))); - QAction * cut=KStandardAction::cut(m_worksheet, SIGNAL(cut()), - actionCollection()); + QAction* cut = KStandardAction::cut(m_worksheet, SIGNAL(cut()), collection); cut->setPriority(QAction::LowPriority); - connect(m_worksheet, SIGNAL(cutAvailable(bool)), - cut, SLOT(setEnabled(bool))); - QAction * copy=KStandardAction::copy(m_worksheet, SIGNAL(copy()), - actionCollection()); + connect(m_worksheet, SIGNAL(cutAvailable(bool)), cut, SLOT(setEnabled(bool))); + + QAction* copy = KStandardAction::copy(m_worksheet, SIGNAL(copy()), collection); copy->setPriority(QAction::LowPriority); - connect(m_worksheet, SIGNAL(copyAvailable(bool)), - copy, SLOT(setEnabled(bool))); - QAction* paste = KStandardAction::paste(m_worksheet, SLOT(paste()), - actionCollection()); + connect(m_worksheet, SIGNAL(copyAvailable(bool)), copy, SLOT(setEnabled(bool))); + + QAction* paste = KStandardAction::paste(m_worksheet, SLOT(paste()), collection); paste->setPriority(QAction::LowPriority); - connect(m_worksheet, SIGNAL(pasteAvailable(bool)), - paste, SLOT(setEnabled(bool))); + connect(m_worksheet, SIGNAL(pasteAvailable(bool)), paste, SLOT(setEnabled(bool))); - QAction * find=KStandardAction::find(this, SLOT(showSearchBar()), - actionCollection()); + QAction* find = KStandardAction::find(this, SLOT(showSearchBar()), collection); find->setPriority(QAction::LowPriority); - QAction * replace=KStandardAction::replace(this, SLOT(showExtendedSearchBar()), - actionCollection()); + QAction* replace = KStandardAction::replace(this, SLOT(showExtendedSearchBar()), collection); replace->setPriority(QAction::LowPriority); - m_findNext = KStandardAction::findNext(this, SLOT(findNext()), - actionCollection()); + m_findNext = KStandardAction::findNext(this, SLOT(findNext()), collection); m_findNext->setEnabled(false); - m_findPrev = KStandardAction::findPrev(this, SLOT(findPrev()), - actionCollection()); + + m_findPrev = KStandardAction::findPrev(this, SLOT(findPrev()), collection); m_findPrev->setEnabled(false); - QAction * latexExport=new QAction(i18n("Export to LaTeX"), actionCollection()); - actionCollection()->addAction(QLatin1String("file_export_latex"), latexExport); + QAction* latexExport = new QAction(i18n("Export to LaTeX"), collection); + collection->addAction(QLatin1String("file_export_latex"), latexExport); latexExport->setIcon(QIcon::fromTheme(QLatin1String("document-export"))); connect(latexExport, SIGNAL(triggered()), this, SLOT(exportToLatex())); - QAction * print = KStandardAction::print(this, SLOT(print()), actionCollection()); + QAction* print = KStandardAction::print(this, SLOT(print()), collection); print->setPriority(QAction::LowPriority); - QAction * printPreview = KStandardAction::printPreview(this, SLOT(printPreview()), actionCollection()); + QAction* printPreview = KStandardAction::printPreview(this, SLOT(printPreview()), collection); printPreview->setPriority(QAction::LowPriority); - KStandardAction::zoomIn(m_worksheetview, SLOT(zoomIn()), actionCollection()); - KStandardAction::zoomOut(m_worksheetview, SLOT(zoomOut()), actionCollection()); + KStandardAction::zoomIn(m_worksheetview, SLOT(zoomIn()), collection); + KStandardAction::zoomOut(m_worksheetview, SLOT(zoomOut()), collection); - m_evaluate=new QAction(i18n("Evaluate Worksheet"), actionCollection()); - actionCollection()->addAction(QLatin1String("evaluate_worksheet"), m_evaluate); + m_evaluate = new QAction(i18n("Evaluate Worksheet"), collection); + collection->addAction(QLatin1String("evaluate_worksheet"), m_evaluate); m_evaluate->setIcon(QIcon::fromTheme(QLatin1String("system-run"))); - actionCollection()->setDefaultShortcut(m_evaluate, Qt::CTRL+Qt::Key_E); + collection->setDefaultShortcut(m_evaluate, Qt::CTRL+Qt::Key_E); connect(m_evaluate, SIGNAL(triggered()), this, SLOT(evaluateOrInterrupt())); - m_typeset=new KToggleAction(i18n("Typeset using LaTeX"), actionCollection()); + m_typeset = new KToggleAction(i18n("Typeset using LaTeX"), collection); m_typeset->setChecked(Settings::self()->typesetDefault()); - actionCollection()->addAction(QLatin1String("enable_typesetting"), m_typeset); + collection->addAction(QLatin1String("enable_typesetting"), m_typeset); connect(m_typeset, SIGNAL(toggled(bool)), this, SLOT(enableTypesetting(bool))); - m_highlight=new KToggleAction(i18n("Syntax Highlighting"), actionCollection()); + m_highlight = new KToggleAction(i18n("Syntax Highlighting"), collection); m_highlight->setChecked(Settings::self()->highlightDefault()); - actionCollection()->addAction(QLatin1String("enable_highlighting"), m_highlight); + collection->addAction(QLatin1String("enable_highlighting"), m_highlight); connect(m_highlight, SIGNAL(toggled(bool)), m_worksheet, SLOT(enableHighlighting(bool))); - m_completion=new KToggleAction(i18n("Completion"), actionCollection()); + m_completion = new KToggleAction(i18n("Completion"), collection); m_completion->setChecked(Settings::self()->completionDefault()); - actionCollection()->addAction(QLatin1String("enable_completion"), m_completion); + collection->addAction(QLatin1String("enable_completion"), m_completion); connect(m_completion, SIGNAL(toggled(bool)), m_worksheet, SLOT(enableCompletion(bool))); - m_exprNumbering=new KToggleAction(i18n("Line Numbers"), actionCollection()); + m_exprNumbering = new KToggleAction(i18n("Line Numbers"), collection); m_exprNumbering->setChecked(Settings::self()->expressionNumberingDefault()); - actionCollection()->addAction(QLatin1String("enable_expression_numbers"), m_exprNumbering); + collection->addAction(QLatin1String("enable_expression_numbers"), m_exprNumbering); connect(m_exprNumbering, SIGNAL(toggled(bool)), m_worksheet, SLOT(enableExpressionNumbering(bool))); - m_animateWorksheet=new KToggleAction(i18n("Animate Worksheet"), actionCollection()); + m_animateWorksheet = new KToggleAction(i18n("Animate Worksheet"), collection); m_animateWorksheet->setChecked(Settings::self()->animationDefault()); - actionCollection()->addAction(QLatin1String("enable_animations"), m_animateWorksheet); + collection->addAction(QLatin1String("enable_animations"), m_animateWorksheet); connect(m_animateWorksheet, SIGNAL(toggled(bool)), m_worksheet, SLOT(enableAnimations(bool))); - QAction * restart=new QAction(i18n("Restart Backend"), actionCollection()); - actionCollection()->addAction(QLatin1String("restart_backend"), restart); + QAction* restart = new QAction(i18n("Restart Backend"), collection); + collection->addAction(QLatin1String("restart_backend"), restart); restart->setIcon(QIcon::fromTheme(QLatin1String("system-reboot"))); connect(restart, SIGNAL(triggered()), this, SLOT(restartBackend())); - QAction * evaluateCurrent=new QAction(i18n("Evaluate Entry"), actionCollection()); - actionCollection()->addAction(QLatin1String("evaluate_current"), evaluateCurrent); - actionCollection()->setDefaultShortcut(evaluateCurrent, Qt::SHIFT + Qt::Key_Return); + QAction* evaluateCurrent = new QAction(i18n("Evaluate Entry"), collection); + collection->addAction(QLatin1String("evaluate_current"), evaluateCurrent); + collection->setDefaultShortcut(evaluateCurrent, Qt::SHIFT + Qt::Key_Return); connect(evaluateCurrent, SIGNAL(triggered()), m_worksheet, SLOT(evaluateCurrentEntry())); - QAction * insertCommandEntry=new QAction(i18n("Insert Command Entry"), actionCollection()); - actionCollection()->addAction(QLatin1String("insert_command_entry"), insertCommandEntry); - actionCollection()->setDefaultShortcut(insertCommandEntry, Qt::CTRL + Qt::Key_Return); + QAction* insertCommandEntry = new QAction(i18n("Insert Command Entry"), collection); + collection->addAction(QLatin1String("insert_command_entry"), insertCommandEntry); + collection->setDefaultShortcut(insertCommandEntry, Qt::CTRL + Qt::Key_Return); connect(insertCommandEntry, SIGNAL(triggered()), m_worksheet, SLOT(insertCommandEntry())); - QAction * insertTextEntry=new QAction(i18n("Insert Text Entry"), actionCollection()); - actionCollection()->addAction(QLatin1String("insert_text_entry"), insertTextEntry); + QAction* insertTextEntry = new QAction(i18n("Insert Text Entry"), collection); + collection->addAction(QLatin1String("insert_text_entry"), insertTextEntry); connect(insertTextEntry, SIGNAL(triggered()), m_worksheet, SLOT(insertTextEntry())); + #ifdef Discount_FOUND - QAction * insertMarkdownEntry=new QAction(i18n("Insert Markdown Entry"), actionCollection()); - actionCollection()->addAction(QLatin1String("insert_markdown_entry"), insertMarkdownEntry); + QAction* insertMarkdownEntry = new QAction(i18n("Insert Markdown Entry"), collection); + collection->addAction(QLatin1String("insert_markdown_entry"), insertMarkdownEntry); connect(insertMarkdownEntry, SIGNAL(triggered()), m_worksheet, SLOT(insertMarkdownEntry())); #endif - QAction * insertLatexEntry=new QAction(i18n("Insert Latex Entry"), actionCollection()); - actionCollection()->addAction(QLatin1String("insert_latex_entry"), insertLatexEntry); + + QAction* insertLatexEntry = new QAction(i18n("Insert Latex Entry"), collection); + collection->addAction(QLatin1String("insert_latex_entry"), insertLatexEntry); connect(insertLatexEntry, SIGNAL(triggered()), m_worksheet, SLOT(insertLatexEntry())); - QAction * insertPageBreakEntry=new QAction(i18n("Insert Page Break"), actionCollection()); - actionCollection()->addAction(QLatin1String("insert_page_break_entry"), insertPageBreakEntry); + QAction* insertPageBreakEntry = new QAction(i18n("Insert Page Break"), collection); + collection->addAction(QLatin1String("insert_page_break_entry"), insertPageBreakEntry); connect(insertPageBreakEntry, SIGNAL(triggered()), m_worksheet, SLOT(insertPageBreakEntry())); - QAction * insertImageEntry=new QAction(i18n("Insert Image"), actionCollection()); - actionCollection()->addAction(QLatin1String("insert_image_entry"), insertImageEntry); + QAction* insertImageEntry = new QAction(i18n("Insert Image"), collection); + collection->addAction(QLatin1String("insert_image_entry"), insertImageEntry); connect(insertImageEntry, SIGNAL(triggered()), m_worksheet, SLOT(insertImageEntry())); - /* - QAction * insertCommandEntryBefore=new QAction(i18n("Insert Command Entry Before"), actionCollection()); + QAction * insertCommandEntryBefore=new QAction(i18n("Insert Command Entry Before"), collection); //insertCommandEntryBefore->setShortcut(Qt::CTRL + Qt::Key_Return); - actionCollection()->addAction("insert_command_entry_before", insertCommandEntryBefore); + collection->addAction("insert_command_entry_before", insertCommandEntryBefore); connect(insertCommandEntryBefore, SIGNAL(triggered()), m_worksheet, SLOT(insertCommandEntryBefore())); - QAction * insertTextEntryBefore=new QAction(i18n("Insert Text Entry Before"), actionCollection()); + QAction * insertTextEntryBefore=new QAction(i18n("Insert Text Entry Before"), collection); //insertTextEntryBefore->setShortcut(Qt::CTRL + Qt::Key_Return); - actionCollection()->addAction("insert_text_entry_before", insertTextEntryBefore); + collection->addAction("insert_text_entry_before", insertTextEntryBefore); connect(insertTextEntryBefore, SIGNAL(triggered()), m_worksheet, SLOT(insertTextEntryBefore())); - QAction * insertPageBreakEntryBefore=new QAction(i18n("Insert Page Break Before"), actionCollection()); - actionCollection()->addAction("insert_page_break_entry_before", insertPageBreakEntryBefore); + QAction * insertPageBreakEntryBefore=new QAction(i18n("Insert Page Break Before"), collection); + collection->addAction("insert_page_break_entry_before", insertPageBreakEntryBefore); connect(insertPageBreakEntryBefore, SIGNAL(triggered()), m_worksheet, SLOT(insertPageBreakEntryBefore())); - QAction * insertImageEntryBefore=new QAction(i18n("Insert Image Entry Before"), actionCollection()); + QAction * insertImageEntryBefore=new QAction(i18n("Insert Image Entry Before"), collection); //insertTextEntryBefore->setShortcut(Qt::CTRL + Qt::Key_Return); - actionCollection()->addAction("insert_image_entry_before", insertImageEntryBefore); + collection->addAction("insert_image_entry_before", insertImageEntryBefore); connect(insertImageEntryBefore, SIGNAL(triggered()), m_worksheet, SLOT(insertImageEntryBefore())); */ - QAction * removeCurrent=new QAction(i18n("Remove current Entry"), actionCollection()); - actionCollection()->addAction(QLatin1String("remove_current"), removeCurrent); - actionCollection()->setDefaultShortcut(removeCurrent, Qt::ShiftModifier + Qt::Key_Delete); + QAction* removeCurrent = new QAction(i18n("Remove current Entry"), collection); + collection->addAction(QLatin1String("remove_current"), removeCurrent); + collection->setDefaultShortcut(removeCurrent, Qt::ShiftModifier + Qt::Key_Delete); connect(removeCurrent, SIGNAL(triggered()), m_worksheet, SLOT(removeCurrentEntry())); - m_showBackendHelp=new QAction(i18n("Show %1 Help", b->name()) , actionCollection()); + m_showBackendHelp = new QAction(i18n("Show %1 Help", b->name()) , collection); m_showBackendHelp->setIcon(QIcon::fromTheme(QLatin1String("help-contents"))); - actionCollection()->addAction(QLatin1String("backend_help"), m_showBackendHelp); + collection->addAction(QLatin1String("backend_help"), m_showBackendHelp); connect(m_showBackendHelp, SIGNAL(triggered()), this, SLOT(showBackendHelp())); - QAction * publishWorksheet=new QAction(i18n("Publish Worksheet"), actionCollection()); + QAction* publishWorksheet = new QAction(i18n("Publish Worksheet"), collection); publishWorksheet->setIcon(QIcon::fromTheme(QLatin1String("get-hot-new-stuff"))); - actionCollection()->addAction(QLatin1String("file_publish_worksheet"), publishWorksheet); + collection->addAction(QLatin1String("file_publish_worksheet"), publishWorksheet); connect(publishWorksheet, SIGNAL(triggered()), this, SLOT(publishWorksheet())); - KToggleAction* showEditor=new KToggleAction(i18n("Show Script Editor"), actionCollection()); + KToggleAction* showEditor = new KToggleAction(i18n("Show Script Editor"), collection); showEditor->setChecked(false); - actionCollection()->addAction(QLatin1String("show_editor"), showEditor); + collection->addAction(QLatin1String("show_editor"), showEditor); connect(showEditor, SIGNAL(toggled(bool)), this, SLOT(showScriptEditor(bool))); showEditor->setEnabled(b->extensions().contains(QLatin1String("ScriptExtension"))); - QAction * showCompletion=new QAction(i18n("Show Completion"), actionCollection()); - actionCollection()->addAction(QLatin1String("show_completion"), showCompletion); + QAction* showCompletion = new QAction(i18n("Show Completion"), collection); + collection->addAction(QLatin1String("show_completion"), showCompletion); QList showCompletionShortcuts; showCompletionShortcuts << Qt::Key_Tab << Qt::CTRL + Qt::Key_Space; - actionCollection()->setDefaultShortcuts(showCompletion, showCompletionShortcuts); + collection->setDefaultShortcuts(showCompletion, showCompletionShortcuts); connect(showCompletion, SIGNAL(triggered()), m_worksheet, SLOT(showCompletion())); // set our XML-UI resource file setXMLFile(QLatin1String("cantor_part.rc")); // we are read-write by default setReadWrite(true); // we are not modified since we haven't done anything yet setModified(false); initialized(); } CantorPart::~CantorPart() { if (m_scriptEditor) { disconnect(m_scriptEditor, SIGNAL(destroyed()), this, SLOT(scriptEditorClosed())); delete m_scriptEditor; } if (m_searchBar) delete m_searchBar; } void CantorPart::setReadWrite(bool rw) { // notify your internal widget of the read-write state m_worksheetview->setInteractive(rw); ReadWritePart::setReadWrite(rw); } void CantorPart::setModified(bool modified) { // get a handle on our Save action and make sure it is valid if (!m_save) return; - // if so, we either enable or disable it based on the current - // state - if (modified) - m_save->setEnabled(true); - else - m_save->setEnabled(false); + // if so, we either enable or disable it based on the current state + m_save->setEnabled(modified); // in any event, we want our parent to do it's thing ReadWritePart::setModified(modified); } KAboutData& CantorPart::createAboutData() { // the non-i18n name here must be the same as the directory in - // which the part's rc file is installed ('partrcdir' in the - // Makefile) - + // which the part's rc file is installed ('partrcdir' in the Makefile) static KAboutData about(QLatin1String("cantorpart"), QLatin1String("Cantor"), QLatin1String(CANTOR_VERSION), i18n("CantorPart"), KAboutLicense::GPL, i18n("(C) 2009-2015 Alexander Rieder"), QString(), QLatin1String("http://edu.kde.org/cantor")); about.addAuthor( i18n("Alexander Rieder"), QString(), QLatin1String("alexanderrieder@gmail.com") ); return about; } bool CantorPart::openFile() { //don't crash if for some reason the worksheet is invalid if(m_worksheet==nullptr) { qWarning()<<"trying to open in an invalid cantor part"; return false; } QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); QElapsedTimer timer; timer.start(); const bool rc = m_worksheet->load(localFilePath()); QApplication::restoreOverrideCursor(); if (rc) { qDebug()<< "Worksheet successfully loaded in " << (float)timer.elapsed()/1000 << " seconds)."; updateCaption(); } return rc; } bool CantorPart::saveFile() { // if we aren't read-write, return immediately if (isReadWrite() == false) return false; qDebug()<<"saving to: "<save( localFilePath() ); setModified(false); return true; } void CantorPart::fileSaveAs() { // this slot is called whenever the File->Save As menu is selected QString worksheetFilter = i18n("Cantor Worksheet (*.cws)"); QString filter = worksheetFilter; //if the backend supports scripts, also append their scriptFile endings to the filter Cantor::Backend * const backend=m_worksheet->session()->backend(); if (backend->extensions().contains(QLatin1String("ScriptExtension"))) { Cantor::ScriptExtension* e=dynamic_cast(backend->extension(QLatin1String("ScriptExtension"))); filter+=QLatin1String(";;")+e->scriptFileFilter(); } QString selectedFilter; QString file_name = QFileDialog::getSaveFileName(widget(), i18n("Save as"), QString(), filter, &selectedFilter); if (file_name.isEmpty()) return; //depending on user's selection, save as a worksheet or as a plain script file if (selectedFilter == worksheetFilter) { if (!file_name.endsWith(QLatin1String(".cws"))) file_name += QLatin1String(".cws"); saveAs(QUrl::fromLocalFile(file_name)); } else m_worksheet->savePlain(file_name); updateCaption(); } void CantorPart::fileSavePlain() { QString file_name = QFileDialog::getSaveFileName(widget(), i18n("Save"), QString(), QString()); if (!file_name.isEmpty()) m_worksheet->savePlain(file_name); } void CantorPart::exportToLatex() { QString file_name = QFileDialog::getSaveFileName(widget(), i18n("Export to LaTeX"), QString(), QString()); if (file_name.isEmpty() == false) { if (!file_name.endsWith(QLatin1String(".tex"))) file_name += QLatin1String(".tex"); m_worksheet->saveLatex(file_name); } } void CantorPart::guiActivateEvent( KParts::GUIActivateEvent * event ) { KParts::ReadWritePart::guiActivateEvent(event); if(event->activated()) { if(m_scriptEditor) m_scriptEditor->show(); }else { if(m_scriptEditor) m_scriptEditor->hide(); } } void CantorPart::evaluateOrInterrupt() { qDebug()<<"evalorinterrupt"; if(m_worksheet->isRunning()) m_worksheet->interrupt(); else m_worksheet->evaluate(); } void CantorPart::restartBackend() { m_worksheet->session()->logout(); m_worksheet->session()->login(); } void CantorPart::worksheetStatusChanged(Cantor::Session::Status status) { qDebug()<<"wsStatusChange"<session()->status() == Cantor::Session::Running && m_sessionStatusCounter == count) { m_evaluate->setText(i18n("Interrupt")); m_evaluate->setShortcut(Qt::CTRL+Qt::Key_I); m_evaluate->setIcon(QIcon::fromTheme(QLatin1String("dialog-close"))); setStatusMessage(i18n("Calculating...")); } }); }else if (status==Cantor::Session::Done) { m_evaluate->setText(i18n("Evaluate Worksheet")); m_evaluate->setShortcut(Qt::CTRL+Qt::Key_E); m_evaluate->setIcon(QIcon::fromTheme(QLatin1String("system-run"))); setStatusMessage(i18n("Ready")); } } void CantorPart::showSessionError(const QString& message) { qDebug()<<"Error: "<session(), SIGNAL(statusChanged(Cantor::Session::Status)), this, SLOT(worksheetStatusChanged(Cantor::Session::Status))); connect(m_worksheet->session(), SIGNAL(loginStarted()),this, SLOT(worksheetSessionLoginStarted())); connect(m_worksheet->session(), SIGNAL(loginDone()),this, SLOT(worksheetSessionLoginDone())); connect(m_worksheet->session(), SIGNAL(error(QString)), this, SLOT(showSessionError(QString))); loadAssistants(); m_panelHandler->setSession(m_worksheet->session()); adjustGuiToSession(); if (m_worksheet->isEmpty()) m_worksheet->appendCommandEntry(); m_worksheetview->setEnabled(true); m_worksheetview->setFocus(); setStatusMessage(i18n("Initialization complete")); updateCaption(); } void CantorPart::worksheetSessionLoginStarted() { setStatusMessage(i18n("Initializing...")); QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); } void CantorPart::worksheetSessionLoginDone() { setStatusMessage(i18n("Ready")); QApplication::restoreOverrideCursor(); } void CantorPart::enableTypesetting(bool enable) { m_worksheet->session()->setTypesettingEnabled(enable); } void CantorPart::showBackendHelp() { qDebug()<<"showing backends help"; Cantor::Backend* backend=m_worksheet->session()->backend(); QUrl url = backend->helpUrl(); qDebug()<<"launching url "<session()->backend()->icon())); } void CantorPart::pluginsChanged() { - foreach(Cantor::PanelPlugin* plugin, m_panelHandler->plugins()) - { + for (auto* plugin : m_panelHandler->plugins()) connect(plugin, SIGNAL(requestRunCommand(QString)), this, SLOT(runCommand(QString))); - } } void CantorPart::loadAssistants() { qDebug()<<"loading assistants..."; QStringList assistantDirs; - foreach(const QString &dir, QCoreApplication::libraryPaths()){ + for (const QString& dir : QCoreApplication::libraryPaths()) assistantDirs << dir + QDir::separator() + QLatin1String("cantor/assistants"); - } QPluginLoader loader; - foreach(const QString &dir, assistantDirs){ + for (const QString& dir : assistantDirs) { qDebug() << "dir: " << dir; QStringList assistants; QDir assistantDir = QDir(dir); assistants = assistantDir.entryList(); - foreach (const QString &assistant, assistants){ + for (const QString& assistant : assistants) { if (assistant==QLatin1String(".") || assistant==QLatin1String("..")) continue; loader.setFileName(dir + QDir::separator() + assistant); if (!loader.load()){ qDebug() << "Error while loading assistant: " << assistant; continue; } KPluginFactory* factory = KPluginLoader(loader.fileName()).factory(); Cantor::Assistant* plugin = factory->create(this); Cantor::Backend* backend=worksheet()->session()->backend(); KPluginMetaData info(loader); plugin->setPluginInfo(info); plugin->setBackend(backend); bool supported=true; - foreach(const QString& req, plugin->requiredExtensions()) + for (const QString& req : plugin->requiredExtensions()) supported=supported && backend->extensions().contains(req); if(supported) { qDebug() << "plugin " << info.name() << " is supported by " << backend->name() << ", requires extensions " << plugin->requiredExtensions(); plugin->initActions(); connect(plugin, SIGNAL(requested()), this, SLOT(runAssistant())); }else { qDebug() << "plugin " << info.name() << " is not supported by "<name(); removeChildClient(plugin); plugin->deleteLater(); } } } } void CantorPart::runAssistant() { Cantor::Assistant* a=qobject_cast(sender()); QStringList cmds=a->run(widget()); qDebug()<appendCommandEntry(cmd); } void CantorPart::showSearchBar() { if (!m_searchBar) { m_searchBar = new SearchBar(widget(), m_worksheet); widget()->layout()->addWidget(m_searchBar); connect(m_searchBar, SIGNAL(destroyed(QObject*)), this, SLOT(searchBarDeleted())); } m_findNext->setEnabled(true); m_findPrev->setEnabled(true); m_searchBar->showStandard(); m_searchBar->setFocus(); } void CantorPart::showExtendedSearchBar() { if (!m_searchBar) { m_searchBar = new SearchBar(widget(), m_worksheet); widget()->layout()->addWidget(m_searchBar); connect(m_searchBar, SIGNAL(destroyed(QObject*)), this, SLOT(searchBarDeleted())); } m_findNext->setEnabled(true); m_findPrev->setEnabled(true); m_searchBar->showExtended(); m_searchBar->setFocus(); } void CantorPart::findNext() { if (m_searchBar) m_searchBar->next(); } void CantorPart::findPrev() { if (m_searchBar) m_searchBar->prev(); } void CantorPart::searchBarDeleted() { m_searchBar = nullptr; m_findNext->setEnabled(false); m_findPrev->setEnabled(false); } void CantorPart::adjustGuiToSession() { Cantor::Backend::Capabilities capabilities = m_worksheet->session()->backend()->capabilities(); #ifdef WITH_EPS m_typeset->setVisible(capabilities.testFlag(Cantor::Backend::LaTexOutput)); #else m_typeset->setVisible(false); #endif m_completion->setVisible(capabilities.testFlag(Cantor::Backend::Completion)); //this is 0 on the first call if(m_showBackendHelp) m_showBackendHelp->setText(i18n("Show %1 Help", m_worksheet->session()->backend()->name())); } void CantorPart::publishWorksheet() { int ret = KMessageBox::questionYesNo(widget(), i18n("Do you want to upload current Worksheet to public web server?"), i18n("Question - Cantor")); if (ret != KMessageBox::Yes) return; if (isModified()||url().isEmpty()) { ret = KMessageBox::warningContinueCancel(widget(), i18n("The Worksheet is not saved. You should save it before uploading."), i18n("Warning - Cantor"), KStandardGuiItem::save(), KStandardGuiItem::cancel()); if (ret != KMessageBox::Continue) return; if (!saveFile()) return; } qDebug()<<"uploading file "<session()->backend()->id().toLower()), widget()); dialog.setUploadFile(url()); dialog.exec(); } void CantorPart::print() { QPrinter printer; QPointer dialog = new QPrintDialog(&printer, widget()); // TODO: Re-enable print selection //if (m_worksheet->textCursor().hasSelection()) // dialog->addEnabledOption(QAbstractPrintDialog::PrintSelection); if (dialog->exec() == QDialog::Accepted) m_worksheet->print(&printer); delete dialog; } void CantorPart::printPreview() { QPrintPreviewDialog *dialog = new QPrintPreviewDialog(widget()); connect(dialog, SIGNAL(paintRequested(QPrinter*)), m_worksheet, SLOT(print(QPrinter*))); dialog->exec(); } void CantorPart::showScriptEditor(bool show) { if(show) { if (m_scriptEditor) { return; } Cantor::ScriptExtension* scriptE=dynamic_cast(m_worksheet->session()->backend()->extension(QLatin1String("ScriptExtension"))); if (!scriptE) { return; } m_scriptEditor=new ScriptEditorWidget(scriptE->scriptFileFilter(), scriptE->highlightingMode(), widget()->window()); connect(m_scriptEditor, SIGNAL(runScript(QString)), this, SLOT(runScript(QString))); connect(m_scriptEditor, SIGNAL(destroyed()), this, SLOT(scriptEditorClosed())); m_scriptEditor->show(); }else { m_scriptEditor->deleteLater(); } } void CantorPart::scriptEditorClosed() { QAction* showEditor = actionCollection()->action(QLatin1String("show_editor")); if (showEditor) { showEditor->setChecked(false); } } void CantorPart::runScript(const QString& file) { Cantor::Backend* backend=m_worksheet->session()->backend(); if(!backend->extensions().contains(QLatin1String("ScriptExtension"))) { KMessageBox::error(widget(), i18n("This backend does not support scripts."), i18n("Error - Cantor")); return; } Cantor::ScriptExtension* scriptE=dynamic_cast(backend->extension(QLatin1String("ScriptExtension"))); m_worksheet->appendCommandEntry(scriptE->runExternalScript(file)); } void CantorPart::blockStatusBar() { m_statusBarBlocked=true; } void CantorPart::unblockStatusBar() { m_statusBarBlocked=false; if(!m_cachedStatusMessage.isNull()) setStatusMessage(m_cachedStatusMessage); m_cachedStatusMessage.clear(); } void CantorPart::setStatusMessage(const QString& message) { if(!m_statusBarBlocked) emit setStatusBarText(message); else m_cachedStatusMessage=message; } void CantorPart::showImportantStatusMessage(const QString& message) { setStatusMessage(message); blockStatusBar(); QTimer::singleShot(3000, this, SLOT(unblockStatusBar())); } K_PLUGIN_FACTORY_WITH_JSON(CantorPartFactory, "cantor_part.json", registerPlugin();) #include "cantor_part.moc" diff --git a/src/worksheet.cpp b/src/worksheet.cpp index fba534c6..a8d049fb 100644 --- a/src/worksheet.cpp +++ b/src/worksheet.cpp @@ -1,1866 +1,1854 @@ /* 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 "worksheet.h" #include #include #include #include #include #include #include #include #include #include #include #include #include "settings.h" #include "commandentry.h" #include "textentry.h" #include "markdownentry.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" #include const double Worksheet::LeftMargin = 4; const double Worksheet::RightMargin = 4; const double Worksheet::TopMargin = 12; const double Worksheet::EntryCursorLength = 30; const double Worksheet::EntryCursorWidth = 2; 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_choosenCursorEntry = nullptr; m_isCursorEntryAfterLastEntry = false; m_entryCursorItem = addLine(0,0,0,0); const QColor& color = (palette().color(QPalette::Base).lightness() < 128) ? Qt::white : Qt::black; QPen pen(color); pen.setWidth(EntryCursorWidth); m_entryCursorItem->setPen(pen); m_entryCursorItem->hide(); m_cursorItemTimer = new QTimer(this); connect(m_cursorItemTimer, &QTimer::timeout, this, &Worksheet::animateEntryCursor); m_cursorItemTimer->start(500); 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 = TopMargin; 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(); drawEntryCursor(); } 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(); drawEntryCursor(); } 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()) { + for (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) { resetEntryCursor(); 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() { 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::appendMarkdownEntry() { return appendEntry(MarkdownEntry::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::insertMarkdownEntry(WorksheetEntry* current) { return insertEntry(MarkdownEntry::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::insertMarkdownEntryBefore(WorksheetEntry* current) { return insertEntryBefore(MarkdownEntry::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; QTextCursor cursor(item->document()); cursor.beginEditBlock(); for (QTextBlock b = item->document()->firstBlock(); b.isValid(); b = b.next()) { b.layout()->clearAdditionalFormats(); } cursor.endEditBlock(); } update(); } } void Worksheet::enableHighlighting(bool highlight) { if(highlight) { if(m_highlighter) m_highlighter->deleteLater(); 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: " <) stream << out.replace(QLatin1String("&"), QLatin1String("&")) .replace(QLatin1String(">"), QLatin1String(">")) .replace(QLatin1String("<"), QLatin1String("<")); file.close(); } bool Worksheet::load(const QString& filename ) { QFile file(filename); if (!file.open(QIODevice::ReadOnly)) { KMessageBox::error(worksheetView(), i18n("Couldn't open the file %1", filename), i18n("Cantor")); return false; } bool rc = load(&file); if (rc) m_session->setWorksheetPath(filename); return rc; } void Worksheet::load(QByteArray* data) { QBuffer buf(data); load(&buf); } bool Worksheet::load(QIODevice* device) { KZip file(device); if (!file.open(QIODevice::ReadOnly)) { qDebug()<<"not a zip file"; QApplication::restoreOverrideCursor(); KMessageBox::error(worksheetView(), i18n("The selected file is not a valid Cantor project file."), i18n("Cantor")); return false; } const KArchiveEntry* contentEntry=file.directory()->entry(QLatin1String("content.xml")); if (!contentEntry->isFile()) { qDebug()<<"content.xml file not found in the zip archive"; QApplication::restoreOverrideCursor(); KMessageBox::error(worksheetView(), i18n("The selected file is not a valid Cantor project file."), i18n("Cantor")); return false; } const KArchiveFile* content = static_cast(contentEntry); QByteArray data = content->data(); // qDebug()<<"read: "<isEnabled()) { QApplication::restoreOverrideCursor(); 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; } m_session=b->createSession(); qDebug()<<"loading entries"; QDomElement expressionChild = root.firstChildElement(); 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("Markdown")) { entry = appendMarkdownEntry(); 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); } 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 loaded(); return true; } 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 for (auto* result : expr->results()) { if(result && result->type()==Cantor::HelpResult::Type) { QString help = result->toHtml(); //Do some basic LaTeX replacing help.replace(QRegExp(QLatin1String("\\\\code\\{([^\\}]*)\\}")), QLatin1String("\\1")); help.replace(QRegExp(QLatin1String("\\$([^\\$])\\$")), QLatin1String("\\1")); emit showHelp(help); //TODO: break after the first help result found, not clear yet how to handle multiple requests for help within one single command (e.g. ??ev;??int). break; } } } 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, 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(QIcon::fromTheme(QLatin1String("run-build")), i18n("Command Entry"), entry, SLOT(insertCommandEntry())); insert->addAction(QIcon::fromTheme(QLatin1String("draw-text")), i18n("Text Entry"), entry, SLOT(insertTextEntry())); insert->addAction(QIcon::fromTheme(QLatin1String("text-x-markdown")), i18n("Markdown Entry"), entry, SLOT(insertMarkdownEntry())); insert->addAction(QIcon::fromTheme(QLatin1String("text-x-tex")), i18n("LaTeX Entry"), entry, SLOT(insertLatexEntry())); insert->addAction(QIcon::fromTheme(QLatin1String("image-x-generic")), i18n("Image"), entry, SLOT(insertImageEntry())); insert->addAction(QIcon::fromTheme(QLatin1String("go-next-view-page")), i18n("Page Break"), entry, SLOT(insertPageBreakEntry())); insertBefore->addAction(QIcon::fromTheme(QLatin1String("run-build")), i18n("Command Entry"), entry, SLOT(insertCommandEntryBefore())); insertBefore->addAction(QIcon::fromTheme(QLatin1String("draw-text")), i18n("Text Entry"), entry, SLOT(insertTextEntryBefore())); insertBefore->addAction(QIcon::fromTheme(QLatin1String("text-x-markdown")), i18n("Markdown Entry"), entry, SLOT(insertMarkdownEntryBefore())); insertBefore->addAction(QIcon::fromTheme(QLatin1String("text-x-tex")), i18n("LaTeX Entry"), entry, SLOT(insertLatexEntryBefore())); insertBefore->addAction(QIcon::fromTheme(QLatin1String("image-x-generic")), i18n("Image"), entry, SLOT(insertImageEntryBefore())); insertBefore->addAction(QIcon::fromTheme(QLatin1String("go-next-view-page")), i18n("Page Break"), entry, SLOT(insertPageBreakEntryBefore())); insert->setTitle(i18n("Insert Entry After")); insert->setIcon(QIcon::fromTheme(QLatin1String("edit-table-insert-row-below"))); insertBefore->setTitle(i18n("Insert Entry Before")); insertBefore->setIcon(QIcon::fromTheme(QLatin1String("edit-table-insert-row-above"))); menu->addMenu(insert); menu->addMenu(insertBefore); } else { menu->addAction(QIcon::fromTheme(QLatin1String("run-build")), i18n("Insert Command Entry"), this, SLOT(appendCommandEntry())); menu->addAction(QIcon::fromTheme(QLatin1String("draw-text")), i18n("Insert Text Entry"), this, SLOT(appendTextEntry())); menu->addAction(QIcon::fromTheme(QLatin1String("text-x-markdown")), i18n("Insert Markdown Entry"), this, SLOT(appendMarkdownEntry())); menu->addAction(QIcon::fromTheme(QLatin1String("text-x-tex")), i18n("Insert LaTeX Entry"), this, SLOT(appendLatexEntry())); menu->addAction(QIcon::fromTheme(QLatin1String("image-x-generic")), i18n("Insert Image"), this, SLOT(appendImageEntry())); menu->addAction(QIcon::fromTheme(QLatin1String("go-next-view-page")), 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); */ updateEntryCursor(event); } void Worksheet::keyPressEvent(QKeyEvent *keyEvent) { // If we choose entry by entry cursor and press text button (not modifiers, for example, like Control) if ((m_choosenCursorEntry || m_isCursorEntryAfterLastEntry) && !keyEvent->text().isEmpty()) addEntryFromEntryCursor(); QGraphicsScene::keyPressEvent(keyEvent); } 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())); 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())); } else if (!newItem) { emit undoAvailable(false); emit redoAvailable(false); emit cutAvailable(false); emit copyAvailable(false); emit pasteAvailable(false); } m_lastFocusedTextItem = newItem; } /*! * handles the paste action triggered in cantor_part. * Pastes into the last focused text item. * In case the "new entry"-cursor is currently shown, * a new entry is created first which the content will be pasted into. */ void Worksheet::paste() { if (m_choosenCursorEntry || m_isCursorEntryAfterLastEntry) addEntryFromEntryCursor(); m_lastFocusedTextItem->paste(); } 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) { + for (auto* 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(const 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(const QKeySequence& sequence) { return m_shortcuts.contains(sequence); } void Worksheet::registerShortcut(QAction* action) { - foreach(QKeySequence shortcut, action->shortcuts()) { + for (auto& 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) { + for (auto& shortcut : shortcuts) m_shortcuts.remove(shortcut); - } + // add the new shortcuts - foreach(QKeySequence shortcut, action->shortcuts()) { + for (auto& 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(); } void Worksheet::updateEntryCursor(QGraphicsSceneMouseEvent* event) { // determine the worksheet entry near which the entry cursor will be shown resetEntryCursor(); if (event->button() == Qt::LeftButton && !focusItem()) { const qreal y = event->scenePos().y(); for (WorksheetEntry* entry = firstEntry(); entry; entry = entry->next()) { if (entry == firstEntry() && y < entry->y() ) { m_choosenCursorEntry = firstEntry(); break; } else if (entry->y() < y && (entry->next() && y < entry->next()->y())) { m_choosenCursorEntry = entry->next(); break; } else if (entry->y() < y && entry == lastEntry()) { m_isCursorEntryAfterLastEntry = true; break; } } } if (m_choosenCursorEntry || m_isCursorEntryAfterLastEntry) drawEntryCursor(); } void Worksheet::addEntryFromEntryCursor() { qDebug() << "Add new entry from entry cursor"; if (m_isCursorEntryAfterLastEntry) insertCommandEntry(lastEntry()); else insertCommandEntryBefore(m_choosenCursorEntry); resetEntryCursor(); } void Worksheet::animateEntryCursor() { if ((m_choosenCursorEntry || m_isCursorEntryAfterLastEntry) && m_entryCursorItem) m_entryCursorItem->setVisible(!m_entryCursorItem->isVisible()); } void Worksheet::resetEntryCursor() { m_choosenCursorEntry = nullptr; m_isCursorEntryAfterLastEntry = false; m_entryCursorItem->hide(); } void Worksheet::drawEntryCursor() { if (m_entryCursorItem && (m_choosenCursorEntry || (m_isCursorEntryAfterLastEntry && lastEntry()))) { qreal x; qreal y; if (m_isCursorEntryAfterLastEntry) { x = lastEntry()->x(); y = lastEntry()->y() + lastEntry()->size().height() - (EntryCursorWidth - 1); } else { x = m_choosenCursorEntry->x(); y = m_choosenCursorEntry->y(); } m_entryCursorItem->setLine(x,y,x+EntryCursorLength,y); m_entryCursorItem->show(); } }