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/*
This is part of TeXworks, an environment for working with TeX documents
Copyright (C) 2007-2010 Jonathan Kew
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 <http://www.gnu.org/licenses/>.
For links to further information, or to contact the author,
see <http://texworks.org/>.
*/
#ifndef PDFDocument_H
#define PDFDocument_H
#ifndef NO_POPPLER_PREVIEW
#include "mostQtHeaders.h"
#include <QProgressDialog>
//#include "FindDialog.h"
#if QT_VERSION < 0x050000
#include "poppler-qt4.h"
#else
#include "poppler-qt5.h"
#endif
#include <synctex_parser.h>
#include "ui_PDFDocument.h"
#include "pdfrendermanager.h"
const int kPDFWindowStateVersion = 1;
class QAction;
class QMenu;
class QToolBar;
class QScrollArea;
class QShortcut;
class QFileSystemWatcher;
class ConfigManagerInterface;
class PDFDocument;
class PDFWidget;
class TitledPanel;
class PDFAnnotations;
class PDFAnnotation;
class PDFAnnotationTableView;
class MessageFrame;
class PDFMagnifier : public QLabel
{
Q_OBJECT
public:
PDFMagnifier(QWidget *parent, qreal inDpi);
void setPage(int p, qreal scale, const QRect& visibleRect);
void reshape();
public slots:
void setImage(const QPixmap &img, int pageNr);
protected:
virtual void paintEvent(QPaintEvent *event);
private:
int oldshape;
int page;
int overScale;
qreal scaleFactor;
qreal parentDpi;
QPixmap image;
QPoint mouseTranslate;
QPoint imageLoc, mouseOffset;
QSize imageSize;
qreal imageDpi;
int imagePage;
};
#ifdef PHONON
#include <Phonon/VideoPlayer>
class PDFMovie: public Phonon::VideoPlayer
{
Q_OBJECT
public:
PDFMovie(PDFWidget* parent, Poppler::MovieAnnotation* annot, int page);
void place();
protected:
void contextMenuEvent(QContextMenuEvent *);
void mouseReleaseEvent(QMouseEvent *e);
public slots:
void realPlay();
void setVolumeDialog();
void seekDialog();
private:
QMenu* popup;
QRectF boundary;
int page;
};
#endif
typedef enum {
kFixedMag,
kFitWidth,
kFitWindow,
kFitTextWidth
} autoScaleOption;
class PDFScrollArea;
class PDFWidget : public QLabel
{
Q_OBJECT
public:
explicit PDFWidget(bool embedded=false);
virtual ~PDFWidget();
void setDocument(const QSharedPointer<Poppler::Document> &doc);
void setPDFDocument(PDFDocument *docu);
void saveState(); // used when toggling full screen mode
void restoreState();
void setResolution(int res);
void resetMagnifier();
Q_INVOKABLE int normalizedPageIndex(int pageIndex);
Q_INVOKABLE void goToPageDirect(int pageIndex, bool sync);
Q_INVOKABLE void setHighlightPath(const int pageIndex, const QPainterPath& path);
Q_INVOKABLE int getHighlightPage() const;
Q_INVOKABLE void goToDestination(const QString& destName);
Q_INVOKABLE void goToPageRelativePosition(int page, float xinpage, float yinpage);
Q_INVOKABLE int getPageIndex();
Q_INVOKABLE void reloadPage(bool sync = true);
void updateStatusBar();
void setGridSize(int gx, int gy, bool setAsDefault=false);
Q_INVOKABLE int visiblePages() const;
Q_INVOKABLE int pseudoNumPages() const;
Q_INVOKABLE int realNumPages() const;
Q_INVOKABLE int pageStep();
Q_INVOKABLE int gridCols() const;
Q_INVOKABLE int gridRowHeight() const;
Q_INVOKABLE int gridBorder() const;
Q_INVOKABLE PDFDocument * getPDFDocument();
Q_INVOKABLE int getPageOffset() const;
autoScaleOption getScaleOption() { return scaleOption; }
double totalScaleFactor() const;
int currentPageHistoryIndex() const;
const QList<int> currentPageHistory() const;
QPoint gridPagePosition(int pageIndex) const;
QRect gridPageRect(int pageIndex) const;
int gridPageIndex(const QPoint& position) const;
void mapToScaledPosition(const QPoint& position, int & page, QPointF& scaledPos) const;
QPoint mapFromScaledPosition(int page, const QPointF& scaledPos) const;
int pageFromPos(const QPoint& pos) const;
QRect pageRect(int page) const;
QSizeF maxPageSizeF() const;
QSizeF gridSizeF(bool ignoreVerticalGrid=false) const;
QRectF horizontalTextRangeF() const;
Q_INVOKABLE void zoom(qreal scale);
virtual void wheelEvent(QWheelEvent *event);
protected slots: //not private, so scripts have access
void goFirst();
void goPrev();
void goNext();
void goLast();
void goForward();
void goBack();
void doPageDialog();
void fitWidth(bool checked = true);
void fitTextWidth(bool checked = true);
void zoomIn();
void zoomOut();
void jumpToSource();
void upOrPrev();
void leftOrPrev();
void pageUpOrPrev();
void downOrNext();
void rightOrNext();
void pageDownOrNext();
void clearHighlight();
public slots:
void setSinglePageStep(bool step);
void windowResized();
void fitWindow(bool checked = true);
void setTool(int tool);
void syncWindowClick(const QPoint& p, bool activate);
void syncCurrentPage(bool activate);
void fixedScale(qreal scale = 1.0);
void setImage(QPixmap img,int pageNr);
signals:
void changedPage(int, bool);
void changedZoom(qreal);
void changedScaleOption(autoScaleOption);
void syncClick(int, const QPointF&, bool activate); //page position in page coordinates
protected:
virtual void paintEvent(QPaintEvent *event);
virtual void mousePressEvent(QMouseEvent *event);
virtual void mouseReleaseEvent(QMouseEvent *event);
virtual void mouseDoubleClickEvent(QMouseEvent *event);
virtual void mouseMoveEvent(QMouseEvent *event);
virtual void keyPressEvent(QKeyEvent *event);
virtual void keyReleaseEvent(QKeyEvent *event);
virtual void focusInEvent(QFocusEvent *event);
virtual void contextMenuEvent(QContextMenuEvent *event);
private:
void init();
void adjustSize();
void updateCursor();
void updateCursor(const QPoint& pos);
QRect mapPopplerRectToWidget(QRectF rect, const QSizeF &pageSize) const;
void useMagnifier(const QMouseEvent *inEvent);
void goToDestination(const Poppler::LinkDestination& dest);
void doLink(const Poppler::Link *link);
void annotationClicked(Poppler::Annotation *annotation, int page);
void doZoom(const QPoint& clickPos, int dir, qreal newScaleFactor=1.0);
PDFScrollArea* getScrollArea();
QSharedPointer<Poppler::Document> document;
//QList<int> pages;
Poppler::Link *clickedLink;
Poppler::Annotation *clickedAnnotation;
int realPageIndex, oldRealPageIndex;
QList<int> pages;
qreal scaleFactor;
qreal dpi;
autoScaleOption scaleOption;
float summedWheelDegrees;
int docPages;
qreal saveScaleFactor;
autoScaleOption saveScaleOption;
QAction *ctxZoomInAction;
QAction *ctxZoomOutAction;
QShortcut *shortcutUp;
QShortcut *shortcutLeft;
QShortcut *shortcutDown;
QShortcut *shortcutRight;
QPixmap image;
QRect imageRect;
qreal imageDpi;
int imagePage;
PDFMagnifier *magnifier;
#ifdef PHONON
PDFMovie *movie;
#endif
int currentTool; // the current tool selected in the toolbar
int usingTool; // the tool actually being used in an ongoing mouse drag
bool singlePageStep;
int gridx, gridy;
bool forceUpdate;
QPainterPath highlightPath;
int highlightPage;
QTimer highlightRemover;
static QCursor *magnifierCursor;
static QCursor *zoomInCursor;
static QCursor *zoomOutCursor;
mutable QSizeF maxPageSize; //cache pageSize
mutable QRectF horizontalTextRange;
QList<int> pageHistory;
int pageHistoryIndex;
PDFDocument *pdfdocument;
};
class PDFSearchResult {
public:
explicit PDFSearchResult(const PDFDocument* pdfdoc = NULL, int page = -1, QRectF rect = QRectF())
: doc(pdfdoc), pageIdx(page), selRect(rect)
{ }
const PDFDocument* doc;
int pageIdx;
QRectF selRect;
};
struct PDFDocumentConfig;
class PDFDock;
class PDFSearchDock;
class PDFScrollArea;
class PDFDocument : public QMainWindow, private Ui::PDFDocument
{
Q_OBJECT
Q_PROPERTY(QString fileName READ fileName)
public:
explicit PDFDocument(PDFDocumentConfig* const pdfConfig, bool embedded=false);
virtual ~PDFDocument();
static PDFDocument *findDocument(const QString &fileName);
static QList<PDFDocument*> documentList()
{
return docList;
}
Q_INVOKABLE QString fileName() const { return curFile; }
Q_INVOKABLE QFileInfo getMasterFile() const { return masterFile; }
void saveGeometryToConfig();
Q_INVOKABLE void zoomToRight(QWidget *otherWindow);
void showScale(qreal scale);
Q_INVOKABLE void showPage(int page);
Q_INVOKABLE void setResolution(int res);
void resetMagnifier();
Q_INVOKABLE void goToDestination(const QString& destName);
Q_INVOKABLE void goToPage(const int page);
Q_INVOKABLE void focus();
bool hasSyncData()
{
return scanner != NULL;
}
const QSharedPointer<Poppler::Document> & popplerDoc() const
{
return document;
}
Q_INVOKABLE PDFWidget *widget(){ return pdfWidget; }
const PDFWidget *widget() const { return pdfWidget; }
bool followCursor() const;
PDFRenderManager *renderManager;
static bool isCompiling, isMaybeCompiling;
bool embeddedMode;
bool autoClose;
void setStateEnlarged(bool state);
protected:
virtual void changeEvent(QEvent *event);
virtual void closeEvent(QCloseEvent *event);
virtual void dragEnterEvent(QDragEnterEvent *event);
virtual void dropEvent(QDropEvent *event);
virtual void enterEvent(QEvent *event);
virtual void leaveEvent(QEvent *event);
virtual void mouseMoveEvent(QMouseEvent *event);
void setToolbarsVisible(bool visible);
void shortcutOnlyIfFocused(const QList<QAction *> &actions);
public slots:
void reloadSettings();
void loadCurrentFile(bool fillCache=true);
void fillRenderCache(int pg=-1);
void sideBySide();
void doFindDialog(const QString command="");
void doFindAgain();
void goToSource();
void toggleFullScreen(const bool fullscreen);
int syncFromSource(const QString& sourceFile, int lineNo, bool activatePreview); //lineNo 0 based
void syncFromView(const QString& pdfFile, const QFileInfo& masterFile, int page);
void loadFile(const QString &fileName, const QFileInfo& masterFile, bool alert = true);
void printPDF();
void setAutoHideToolbars(bool enabled);
void hideToolbars();
void showToolbars();
private slots:
void fileOpen();
void enablePageActions(int, bool);
void enableZoomActions(qreal);
void adjustScaleActions(autoScaleOption);
void syncClick(int page, const QPointF& pos, bool activate);
void stopReloadTimer();
void reloadWhenIdle();
void idleReload();
void runExternalViewer();
void runInternalViewer();
void toggleEmbedded();
void runQuickBuild();
void setGrid();
public slots:
void closeSomething();
private slots:
void tileWindows();
void stackWindows();
void unminimize();
void arrangeWindows(bool tile);
void updateToolBarForOrientation(Qt::Orientation orientation);
void jumpToPage();
void search(bool backward, bool incremental);
public:
void search(const QString& searchText, bool backward, bool incremental, bool caseSensitive, bool sync);
void search();
private slots:
void gotoAnnotation(const PDFAnnotation *ann);
void zoomFromAction();
void zoomSliderChange(int pos = 0);
void enlarge();
void shrink();
signals:
void documentClosed();
void documentLoaded();
void syncSource(const QString& sourceFile, int line, bool activate, const QString& guessedWord); //view -> source
void syncView(const QString& pdfFile, const QFileInfo& masterFile, int page); //view -> other view
void focusEditor();
void fileDropped(const QUrl& url);
void runCommand(const QString& command, const QFileInfo& masterFile, const QFileInfo& currentFile, int linenr);
void triggeredAbout();
void triggeredManual();
void triggeredQuit();
void triggeredPlaceOnLeft();
void triggeredConfigure();
void triggeredEnlarge();
void triggeredShrink();
void triggeredClone();
private:
void init(bool embedded=false);
void setupMenus();
void setCurrentFile(const QString &fileName);
void loadSyncData();
qreal zoomSliderPosToScale(int pos);
int scaleToZoomSliderPos(qreal scale);
QString curFile, curFileUnnormalized;
qint64 curFileSize;
QDateTime curFileLastModified;
QFileInfo masterFile, lastSyncSourceFile;
int lastSyncLineNumber;
QSharedPointer<Poppler::Document> document;
PDFWidget *pdfWidget;
PDFScrollArea *scrollArea;
MessageFrame *messageFrame;
TitledPanel * annotationPanel;
PDFAnnotations * annotations;
PDFAnnotationTableView * annotationTable;
QMenuBar *menubar;
QMenu *menuHelp;
QMenu *menuFile;
QMenu *menuEdit;
QMenu *menuView;
QMenu *menuGrid;
QMenu *menuWindow;
public:
QMenu *menuShow;
private:
QMenu *menuEdit_2;
QAction *actionPage_Up;
QAction *actionPage_Down;
QButtonGroup *toolButtonGroup;
QToolButton *comboZoom;
QLineEdit *leCurrentPage;
QLabel *pageCountSeparator;
QLabel *pageCountLabel;
QIntValidator *leCurrentPageValidator;
QLabel *pageLabel;
QToolButton *scaleButton;
QSlider *zoomSlider;
QList<QAction*> recentFileActions;
QShortcut* exitFullscreen;
QFileSystemWatcher *watcher;
QTimer *reloadTimer;
synctex_scanner_t scanner;
static QList<PDFDocument*> docList;
PDFDock *dwClock, *dwOutline, *dwFonts, *dwInfo, *dwOverview;
bool dwVisOutline,dwVisFonts,dwVisInfo,dwVisSearch,dwVisOverview;
bool wasContinuous;
PDFSearchDock *dwSearch;
PDFSearchResult lastSearchResult;
// stores the page idx a search was started on
// after wrapping the search will continue only up to this page
int firstSearchPage;
bool wasMaximized;
bool syncFromSourceBlock; //temporary disable sync from source
bool syncToSourceBlock; //temporary disable sync to source (only for continuous scrolling)
};
#endif
#endif
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