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/**
* Copyright (C) 2013-2021 Charlie Sharpsteen, Stefan Löffler
*
* 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, 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.
*/
#include "PDFDocumentWidget.h"
#include <QtGui/QtGui>
class PageCounter;
class ZoomTracker;
class SearchLineEdit;
class PDFViewer : public QMainWindow {
Q_OBJECT
PageCounter * _counter;
ZoomTracker * _zoomWdgt;
SearchLineEdit * _search;
QToolBar * _toolBar;
static QTranslator * _translator;
static QString _translatorLanguage;
public:
PDFViewer(const QString & pdf_doc = QString(), QWidget * parent = Q_NULLPTR, Qt::WindowFlags flags = {});
public slots:
void open();
private slots:
void openUrl(const QUrl url) const;
void openPdf(QString filename, QtPDF::PDFDestination destination, bool newWindow) const;
void syncFromPdf(const int page, const QPointF pos);
void searchProgressChanged(int percent, int occurrences);
void documentChanged(const QWeakPointer<QtPDF::Backend::Document> newDoc);
#ifdef DEBUG
// TODO: Make this more general or remove it altogether
void setGermanLocale() { switchInterfaceLocale(QLocale(QLocale::German)); }
void setEnglishLocale() { switchInterfaceLocale(QLocale(QLocale::C)); }
#endif
void switchInterfaceLocale(const QLocale & newLocale);
};
class SearchLineEdit : public QLineEdit
{
Q_OBJECT
public:
SearchLineEdit(QWidget * parent = Q_NULLPTR);
protected:
void resizeEvent(QResizeEvent *) override;
private:
QToolButton *nextResultButton, *previousResultButton, *clearButton;
signals:
void searchRequested(QString searchText);
void gotoNextResult();
void gotoPreviousResult();
void searchCleared();
private slots:
void prepareSearch();
void clearSearch();
void handleNextResult();
void handlePreviousResult();
};
class PageCounter : public QLabel {
Q_OBJECT
typedef QLabel super;
int currentPage{1}, lastPage{-1};
public:
PageCounter(QWidget * parent = Q_NULLPTR, Qt::WindowFlags f = {});
public slots:
void setLastPage(int page);
void setCurrentPage(int page);
private:
void refreshText();
};
class ZoomTracker : public QLabel {
Q_OBJECT
typedef QLabel super;
qreal zoom{1.0};
public:
ZoomTracker(QWidget * parent = Q_NULLPTR, Qt::WindowFlags f = {});
public slots:
void setZoom(qreal newZoom);
private:
void refreshText();
};
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