1 /*
2  * Copyright (C) 2008, Pino Toscano <pino@kde.org>
3  * Copyright (C) 2021, Mahmoud Khalil <mahmoudkhalil11@gmail.com>
4  * Copyright (C) 2021, Albert Astals Cid <aacid@kde.org>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef PDFVIEWER_H
22 #define PDFVIEWER_H
23 
24 #include <QtWidgets/QMainWindow>
25 
26 class QAction;
27 class QActionGroup;
28 class QLabel;
29 class DocumentObserver;
30 namespace Poppler {
31 class Document;
32 }
33 
34 class PdfViewer : public QMainWindow
35 {
36     Q_OBJECT
37 
38     friend class DocumentObserver;
39 
40 public:
41     explicit PdfViewer(QWidget *parent = nullptr);
42     ~PdfViewer() override;
43 
44     QSize sizeHint() const override;
45 
46     void loadDocument(const QString &file);
47     void closeDocument();
48 
49 private Q_SLOTS:
50     void slotOpenFile();
51     void slotSaveCopy();
52     void slotAbout();
53     void slotAboutQt();
54     void slotToggleTextAA(bool value);
55     void slotToggleGfxAA(bool value);
56     void slotRenderBackend(QAction *act);
57 
58 private:
59     void setPage(int page);
60     int page() const;
61     void xrefReconstructedHandler(Poppler::Document *doc);
62 
63     int m_currentPage;
64     bool xrefReconstructed;
65 
66     QAction *m_fileOpenAct;
67     QAction *m_fileSaveCopyAct;
68     QAction *m_settingsTextAAAct;
69     QAction *m_settingsGfxAAAct;
70     QActionGroup *m_settingsRenderBackendGrp;
71 
72     QList<DocumentObserver *> m_observers;
73 
74     Poppler::Document *m_doc;
75 };
76 
77 #endif
78