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//===========================================
// Lumina Desktop source code
// Copyright (c) 2017, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#ifndef _LUMINA_PDF_VIEWER_MAIN_WINDOW_H
#define _LUMINA_PDF_VIEWER_MAIN_WINDOW_H
#include <QPrintPreviewWidget>
#include <QPrintDialog>
#include <QPrinter>
#include <QMainWindow>
#include <QProgressBar>
#include <QLabel>
#include <QKeyEvent>
#include <QDebug>
#include <QWheelEvent>
#include <QApplication>
#include <QMenu>
#include <poppler/qt5/poppler-qt5.h>
#include "PresentationLabel.h"
namespace Ui{
class MainUI;
};
class MainUI : public QMainWindow{
Q_OBJECT
public:
MainUI();
~MainUI();
void loadFile(QString path);
private:
Poppler::Document *DOC;
QPrintPreviewWidget *WIDGET;
Ui::MainUI *ui;
QPrinter* Printer;
QPrintDialog *PrintDLG;
QString lastdir;
//Other Interface elements
QProgressBar *progress;
QAction *progAct; //action associated with the progressbar
QTimer *clockTimer;
QMenu *contextMenu;
//QFrame *frame_presenter;
QLabel *label_clock;
QAction *clockAct;
//PDF Page Loading cache variables
QHash<int, QImage> loadingHash;
int numPages;
void loadPage(int num, Poppler::Document *doc, MainUI *obj, QSize dpi, QSizeF page);
//Functions/variables for the presentation mode
PresentationLabel *presentationLabel;
QScreen *getScreen(bool current, bool &cancelled);
int CurrentPage;
void startPresentation(bool atStart);
void ShowPage(int page);
void endPresentation();
private slots:
void startLoadingPages(QPrinter *printer);
void slotPageLoaded(int);
void slotStartPresentation(QAction *act);
//Simplification routines
void nextPage(){ ShowPage( WIDGET->currentPage() ); } //currentPage() starts at 1 rather than 0
void prevPage(){ ShowPage( WIDGET->currentPage()-2 ); } //currentPage() starts at 1 rather than 0
void firstPage(){ ShowPage(0); }
void lastPage(){ ShowPage(numPages-1); }
void startPresentationHere(){ startPresentation(false); }
void startPresentationBeginning(){ startPresentation(true); }
void closePresentation(){ endPresentation(); }
void paintOnWidget(QPrinter *PRINTER);
void paintToPrinter(QPrinter *PRINTER);
//Button Slots
void OpenNewFile();
//Other interface slots
void updateClock();
void showContextMenu(const QPoint&){ contextMenu->popup(QCursor::pos()); }
void updateContextMenu();
void setScroll(bool);
void rotate(bool);
//void rotate(QPrinter*, bool);
signals:
void PageLoaded(int);
protected:
void keyPressEvent(QKeyEvent*);
};
#endif
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