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/*
This is part of TeXworks, an environment for working with TeX documents
Copyright (C) 2007-2023 Jonathan Kew, Stefan Löffler, Charlie Sharpsteen
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, see <https://www.gnu.org/licenses/>.
For links to further information, or to contact the authors,
see <https://tug.org/texworks/>.
*/
#ifndef PDFDocument_H
#define PDFDocument_H
#include "../modules/QtPDF/src/PDFDocumentWidget.h"
#include "FindDialog.h"
#include "TWScriptableWindow.h"
#include "TWSynchronizer.h"
#include "ui/ClickableLabel.h"
#include "ui_PDFDocumentWindow.h"
#include "utils/FullscreenManager.h"
#include <QButtonGroup>
#include <QCursor>
#include <QImage>
#include <QList>
#include <QMouseEvent>
#include <QPainterPath>
#include <QTimer>
const int kDefault_MagnifierSize = 2;
const bool kDefault_CircularMagnifier = true;
const int kDefault_PreviewScaleOption = 1;
const int kDefault_PreviewScale = 200;
const QtPDF::PDFDocumentView::PageMode kDefault_PDFPageMode = QtPDF::PDFDocumentView::PageMode_OneColumnContinuous;
const bool kDefault_PreviewRulerShow = false;
const int kDefault_PreviewRulerUnits = QtPDF::Physical::Length::Centimeters;
const QColor kDefault_PaperColor = Qt::white;
const int kPDFWindowStateVersion = 1;
class QAction;
class QMenu;
class QToolBar;
class QScrollArea;
class TeXDocumentWindow;
class QShortcut;
class PDFDocumentWindow : public TWScriptableWindow, private Ui::PDFDocumentWindow
{
Q_OBJECT
Q_PROPERTY(QString fileName READ fileName)
public:
using size_type = QtPDF::Backend::Document::size_type;
PDFDocumentWindow(const QString &fileName, TeXDocumentWindow *sourceDoc = nullptr);
~PDFDocumentWindow() override;
static PDFDocumentWindow *findDocument(const QString &fileName);
static QList<PDFDocumentWindow*> documentList()
{
return docList;
}
QString fileName() const
{ return curFile; }
void showScale(qreal scale);
void showPage(size_type page);
void setResolution(const double res);
void resetMagnifier();
void enableTypesetAction(bool enabled);
void linkToSource(TeXDocumentWindow *texDoc);
bool hasSyncData() const { return static_cast<bool>(_synchronizer); }
QtPDF::PDFDocumentWidget * widget() { return pdfWidget; }
protected:
void changeEvent(QEvent *event) override;
bool event(QEvent *event) override;
void closeEvent(QCloseEvent *event) override;
void dragEnterEvent(QDragEnterEvent *event) override;
void dropEvent(QDropEvent *event) override;
void contextMenuEvent(QContextMenuEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
QString scriptContext() const override { return QStringLiteral("PDFDocument"); }
public slots:
void texActivated(TeXDocumentWindow * texDoc);
void texClosed(QObject *obj);
void reload();
void retypeset();
void interrupt();
void sideBySide();
void doFindDialog();
void doFindAgain(bool newSearch = false);
void goToSource();
void toggleFullScreen();
void syncFromSource(const QString& sourceFile, int lineNo, int col, bool activatePreview);
void print();
void setMouseMode(const int newMode);
void setPageMode(const int newMode);
void clearSyncHighlight();
void clearSearchResultHighlight();
void copySelectedTextToClipboard();
void updateTypesettingAction();
private slots:
void changedDocument(const QWeakPointer<QtPDF::Backend::Document> & newDoc);
void updateRecentFileActions();
void updateWindowMenu();
void enablePageActions(PDFDocumentWindow::size_type);
void syncClick(PDFDocumentWindow::size_type page, const QPointF& pos);
void syncRange(const PDFDocumentWindow::size_type pageIndex, const QPointF & start, const QPointF & end, const TWSynchronizer::Resolution resolution);
void invalidateSyncHighlight();
void scaleLabelClick(QMouseEvent * event) { showScaleContextMenu(event->pos()); }
void showScaleContextMenu(const QPoint pos);
void setScaleFromContextMenu(const QString & strZoom);
void updateStatusBar();
void updatePageMode(const QtPDF::PDFDocumentView::PageMode newMode);
void doPageDialog();
void doScaleDialog();
void jumpToSource();
void searchResultHighlighted(const PDFDocumentWindow::size_type pageNum, const QList<QPolygonF> & pdfRegion);
void setDefaultScale();
void maybeOpenUrl(const QUrl & url);
void maybeOpenPdf(const QString & filename, const QtPDF::PDFDestination & destination, const bool newWindow);
void maybeZoomToWindow(bool doZoom) { if (doZoom) pdfWidget->zoomFitWindow(); }
void maybeEnableCopyCommand(const bool isTextSelected);
signals:
void reloaded();
void activatedWindow(QWidget*);
private:
void init();
void loadFile(const QString &fileName);
void setCurrentFile(const QString &fileName);
void loadSyncData();
void saveRecentFileInfo();
QString getMainSourceFilename() const;
TeXDocumentWindow * getFirstTeXDocumentWindow(const bool openIfNecessary);
QString curFile;
QtPDF::PDFDocumentWidget *pdfWidget;
QScrollArea *scrollArea;
QButtonGroup *toolButtonGroup;
QList<TeXDocumentWindow*> sourceDocList;
Tw::UI::ClickableLabel *pageLabel;
Tw::UI::ClickableLabel *scaleLabel;
QMenu * scaleContextMenu{nullptr};
QList<QAction*> recentFileActions;
Tw::Utils::FullscreenManager * _fullScreenManager;
QSignalMapper pageModeSignalMapper;
QGraphicsItem * _syncHighlight;
QTimer _syncHighlightRemover;
QBrush _searchResultHighlightBrush;
QTimer _searchResultHighlightRemover;
bool openedManually;
static QList<PDFDocumentWindow*> docList;
std::unique_ptr<TWSyncTeXSynchronizer> _synchronizer;
};
#endif
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