4ce1b027b0
The saving code is an attempt to be page function and page coding agnostic so the same code can save (G)POP, (G)DRCS and MOT pages in the future. loadsave will be the home of page loading, URL exporting and also for importing and exporting of other teletext file formats.
105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/*
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* Copyright (C) 2020 Gavin MacGregor
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*
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* This file is part of QTeletextMaker.
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*
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* QTeletextMaker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* QTeletextMaker is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with QTeletextMaker. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef DOCUMENT_H
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#define DOCUMENT_H
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#include <QFile>
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#include <QObject>
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#include <QTextStream>
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#include <QUndoStack>
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#include <vector>
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#include "levelonepage.h"
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class TeletextDocument : public QObject
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{
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Q_OBJECT
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public:
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// Available Page Functions according to 9.4.2.1 of the spec
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enum PageFunctionEnum { PFLevelOnePage, PFDataBroadcasting, PFGlobalPOP, PFNormalPOP, PFGlobalDRCS, PFNormalDRCS, PFMOT, PFMIP, PFBasicTOPTable, PFAdditionalInformationTable, PFMultiPageTable, PFMultiPageExtensionTable, PFTriggerMessages };
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// Available Page Codings of X/1 to X/25 according to 9.4.2.1 of the spec
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enum PacketCodingEnum { Coding7bit, Coding8bit, Coding18bit, Coding4bit, Coding4bitThen7bit, CodingPerPacket };
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TeletextDocument();
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~TeletextDocument();
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bool isEmpty() const { return m_empty; }
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void setModified(bool);
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PageFunctionEnum pageFunction() const { return m_pageFunction; }
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// void setPageFunction(PageFunctionEnum);
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PacketCodingEnum packetCoding() const { return m_packetCoding; }
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// void setPacketCoding(PacketCodingEnum);
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void loadDocument(QFile *);
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int numberOfSubPages() const { return m_subPages.size(); }
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LevelOnePage* subPage(int p) const { return m_subPages[p]; }
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LevelOnePage* currentSubPage() const { return m_subPages[m_currentSubPageIndex]; }
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int currentSubPageIndex() const { return m_currentSubPageIndex; }
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void selectSubPageIndex(int, bool=false);
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void selectSubPageNext();
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void selectSubPagePrevious();
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void insertSubPage(int, bool);
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void deleteSubPage(int);
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int pageNumber() const { return m_pageNumber; }
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void setPageNumber(QString);
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QString description() const { return m_description; }
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void setDescription(QString);
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void setFastTextLinkPageNumberOnAllSubPages(int, int);
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QUndoStack *undoStack() const { return m_undoStack; }
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int cursorRow() const { return m_cursorRow; }
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int cursorColumn() const { return m_cursorColumn; }
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void cursorUp();
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void cursorDown();
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void cursorLeft();
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void cursorRight();
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void moveCursor(int, int);
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int selectionTopRow() const { return m_selectionTopRow; }
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int selectionBottomRow() const { return m_selectionBottomRow; }
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int selectionLeftColumn() const { return m_selectionLeftColumn; }
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int selectionRightColumn() const { return m_selectionRightColumn; }
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int selectionWidth() const { return m_selectionRightColumn - m_selectionLeftColumn + 1; }
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int selectionHeight() const { return m_selectionBottomRow - m_selectionTopRow + 1; }
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bool selectionActive() const { return m_selectionSubPage == currentSubPage(); }
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void setSelection(int, int, int, int);
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void cancelSelection();
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signals:
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void cursorMoved();
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void selectionMoved();
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void colourChanged(int);
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void contentsChange(int);
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void aboutToChangeSubPage();
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void subPageSelected();
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void refreshNeeded();
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private:
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QString m_description;
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bool m_empty;
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int m_pageNumber, m_currentSubPageIndex;
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PageFunctionEnum m_pageFunction;
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PacketCodingEnum m_packetCoding;
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std::vector<LevelOnePage *> m_subPages;
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QUndoStack *m_undoStack;
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int m_cursorRow, m_cursorColumn, m_selectionTopRow, m_selectionBottomRow, m_selectionLeftColumn, m_selectionRightColumn;
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LevelOnePage *m_selectionSubPage;
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};
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#endif
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