Move document class
This commit is contained in:
Gavin MacGregor
387
src/qteletextmaker/document.cpp
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387
src/qteletextmaker/document.cpp
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@@ -0,0 +1,387 @@
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/*
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* Copyright (C) 2020-2025 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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#include <QAbstractListModel>
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#include <QList>
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#include "document.h"
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#include "levelonepage.h"
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ClutModel::ClutModel(QObject *parent): QAbstractListModel(parent)
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{
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m_subPage = nullptr;
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}
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int ClutModel::rowCount(const QModelIndex & /*parent*/) const
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{
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return 32;
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}
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QVariant ClutModel::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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if (role == Qt::DisplayRole)
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return QString("CLUT %1:%2").arg(index.row() >> 3).arg(index.row() & 0x07);
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if (role == Qt::DecorationRole && m_subPage != nullptr)
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return m_subPage->CLUTtoQColor(index.row());
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return QVariant();
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}
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void ClutModel::setSubPage(LevelOnePage *subPage)
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{
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if (subPage != m_subPage) {
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m_subPage = subPage;
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emit dataChanged(createIndex(0, 0), createIndex(31, 0), QList<int>(Qt::DecorationRole));
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}
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}
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TeletextDocument::TeletextDocument()
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{
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m_pageNumber = 0x199;
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m_description.clear();
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m_pageFunction = PFLevelOnePage;
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m_packetCoding = Coding7bit;
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m_subPages.append(new LevelOnePage);
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m_currentSubPageIndex = 0;
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m_undoStack = new QUndoStack(this);
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m_cursorRow = 1;
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m_cursorColumn = 0;
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m_rowZeroAllowed = false;
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m_selectionCornerRow = m_selectionCornerColumn = -1;
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m_selectionSubPage = nullptr;
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m_clutModel = new ClutModel;
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m_clutModel->setSubPage(m_subPages[0]);
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}
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TeletextDocument::~TeletextDocument()
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{
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delete m_clutModel;
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for (auto &subPage : m_subPages)
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delete(subPage);
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for (auto &recycleSubPage : m_recycleSubPages)
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delete(recycleSubPage);
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}
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bool TeletextDocument::isEmpty() const
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{
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for (auto &subPage : m_subPages)
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if (!subPage->isEmpty())
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return false;
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return true;
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}
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void TeletextDocument::clear()
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{
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m_subPages.prepend(new LevelOnePage);
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emit aboutToChangeSubPage();
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m_currentSubPageIndex = 0;
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m_clutModel->setSubPage(m_subPages[0]);
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emit subPageSelected();
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cancelSelection();
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m_undoStack->clear();
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for (int i=m_subPages.size()-1; i>0; i--) {
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delete(m_subPages[i]);
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m_subPages.remove(i);
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}
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}
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/*
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void TeletextDocument::setPageFunction(PageFunctionEnum newPageFunction)
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{
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m_pageFunction = newPageFunction;
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}
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void TeletextDocument::setPacketCoding(PacketCodingEnum newPacketEncoding)
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{
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m_packetCoding = newPacketEncoding;
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}
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*/
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void TeletextDocument::selectSubPageIndex(int newSubPageIndex, bool forceRefresh)
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{
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// forceRefresh overrides "beyond the last subpage" check, so inserting a subpage after the last one still shows - dangerous workaround?
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if (forceRefresh || (newSubPageIndex != m_currentSubPageIndex && newSubPageIndex < m_subPages.size())) {
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emit aboutToChangeSubPage();
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m_currentSubPageIndex = newSubPageIndex;
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m_clutModel->setSubPage(m_subPages[m_currentSubPageIndex]);
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emit subPageSelected();
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emit selectionMoved();
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return;
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}
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}
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void TeletextDocument::selectSubPageNext()
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{
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if (m_currentSubPageIndex < m_subPages.size()-1) {
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emit aboutToChangeSubPage();
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m_currentSubPageIndex++;
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m_clutModel->setSubPage(m_subPages[m_currentSubPageIndex]);
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emit subPageSelected();
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emit selectionMoved();
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}
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}
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void TeletextDocument::selectSubPagePrevious()
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{
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if (m_currentSubPageIndex > 0) {
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emit aboutToChangeSubPage();
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m_currentSubPageIndex--;
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m_clutModel->setSubPage(m_subPages[m_currentSubPageIndex]);
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emit subPageSelected();
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emit selectionMoved();
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}
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}
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void TeletextDocument::insertSubPage(int beforeSubPageIndex, bool copySubPage)
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{
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LevelOnePage *insertedSubPage;
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if (copySubPage)
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insertedSubPage = new LevelOnePage(*m_subPages.at(beforeSubPageIndex));
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else
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insertedSubPage = new LevelOnePage;
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if (beforeSubPageIndex == m_subPages.size())
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m_subPages.append(insertedSubPage);
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else
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m_subPages.insert(beforeSubPageIndex, insertedSubPage);
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}
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void TeletextDocument::deleteSubPage(int subPageToDelete)
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{
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m_clutModel->setSubPage(nullptr);
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delete(m_subPages[subPageToDelete]);
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m_subPages.remove(subPageToDelete);
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}
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void TeletextDocument::deleteSubPageToRecycle(int subPageToRecycle)
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{
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m_recycleSubPages.append(m_subPages[subPageToRecycle]);
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m_subPages.remove(subPageToRecycle);
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}
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void TeletextDocument::unDeleteSubPageFromRecycle(int subPage)
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{
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m_subPages.insert(subPage, m_recycleSubPages.last());
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m_recycleSubPages.removeLast();
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}
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void TeletextDocument::setPageNumber(int pageNumber)
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{
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// If the magazine number was changed, we need to update the relative magazine numbers in FastText
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// and page enhancement links
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int oldMagazine = (m_pageNumber & 0xf00);
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int newMagazine = (pageNumber & 0xf00);
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// Fix magazine 0 to 8
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if (oldMagazine == 0x800)
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oldMagazine = 0x000;
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if (newMagazine == 0x800)
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newMagazine = 0x000;
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int magazineFlip = oldMagazine ^ newMagazine;
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m_pageNumber = pageNumber;
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for (auto &subPage : m_subPages)
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if (magazineFlip) {
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for (int i=0; i<6; i++)
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subPage->setFastTextLinkPageNumber(i, subPage->fastTextLinkPageNumber(i) ^ magazineFlip);
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for (int i=0; i<8; i++)
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subPage->setComposeLinkPageNumber(i, subPage->composeLinkPageNumber(i) ^ magazineFlip);
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}
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}
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void TeletextDocument::setPageNumberFromString(QString pageNumberString)
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{
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bool pageNumberOk;
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int pageNumberRead = pageNumberString.toInt(&pageNumberOk, 16);
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if ((!pageNumberOk) || pageNumberRead < 0x100 || pageNumberRead > 0x8ff)
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return;
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setPageNumber(pageNumberRead);
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}
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void TeletextDocument::setDescription(QString newDescription)
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{
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m_description = newDescription;
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}
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void TeletextDocument::setFastTextLinkPageNumberOnAllSubPages(int linkNumber, int pageNumber)
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{
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for (auto &subPage : m_subPages)
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subPage->setFastTextLinkPageNumber(linkNumber, pageNumber);
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}
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void TeletextDocument::cursorUp(bool shiftKey)
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{
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if (shiftKey && !selectionActive())
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setSelectionCorner(m_cursorRow, m_cursorColumn);
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if (--m_cursorRow == 0 - (int)m_rowZeroAllowed)
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m_cursorRow = 24;
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if (shiftKey)
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emit selectionMoved();
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else
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cancelSelection();
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emit cursorMoved();
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}
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void TeletextDocument::cursorDown(bool shiftKey)
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{
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if (shiftKey && !selectionActive())
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setSelectionCorner(m_cursorRow, m_cursorColumn);
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if (++m_cursorRow == 25)
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m_cursorRow = (int)!m_rowZeroAllowed;
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if (shiftKey)
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emit selectionMoved();
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else
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cancelSelection();
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emit cursorMoved();
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}
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void TeletextDocument::cursorLeft(bool shiftKey)
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{
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if (shiftKey && !selectionActive())
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setSelectionCorner(m_cursorRow, m_cursorColumn);
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if (--m_cursorColumn == -1) {
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m_cursorColumn = 39;
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cursorUp(shiftKey);
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}
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if (shiftKey)
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emit selectionMoved();
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else
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cancelSelection();
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emit cursorMoved();
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}
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void TeletextDocument::cursorRight(bool shiftKey)
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{
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if (shiftKey && !selectionActive())
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setSelectionCorner(m_cursorRow, m_cursorColumn);
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if (++m_cursorColumn == 40) {
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m_cursorColumn = 0;
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cursorDown(shiftKey);
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}
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if (shiftKey)
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emit selectionMoved();
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else
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cancelSelection();
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emit cursorMoved();
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}
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void TeletextDocument::moveCursor(int cursorRow, int cursorColumn, bool selectionInProgress)
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{
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if (selectionInProgress && !selectionActive())
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setSelectionCorner(m_cursorRow, m_cursorColumn);
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if (cursorRow != -1)
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m_cursorRow = cursorRow;
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if (cursorColumn != -1)
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m_cursorColumn = cursorColumn;
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if (selectionInProgress)
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emit selectionMoved();
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else
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cancelSelection();
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emit cursorMoved();
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}
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void TeletextDocument::setRowZeroAllowed(bool allowed)
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{
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m_rowZeroAllowed = allowed;
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if (m_cursorRow == 0 && !allowed)
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cursorDown();
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}
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void TeletextDocument::setSelectionCorner(int row, int column)
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{
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if (m_selectionCornerRow != row || m_selectionCornerColumn != column) {
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m_selectionSubPage = currentSubPage();
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m_selectionCornerRow = row;
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m_selectionCornerColumn = column;
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// emit selectionMoved();
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}
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}
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void TeletextDocument::setSelection(int topRow, int leftColumn, int bottomRow, int rightColumn)
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{
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if (selectionTopRow() != topRow || selectionBottomRow() != bottomRow || selectionLeftColumn() != leftColumn || selectionRightColumn() != rightColumn) {
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m_selectionSubPage = currentSubPage();
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m_selectionCornerRow = topRow;
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m_cursorRow = bottomRow;
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m_selectionCornerColumn = leftColumn;
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m_cursorColumn = rightColumn;
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emit selectionMoved();
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emit cursorMoved();
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}
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}
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void TeletextDocument::cancelSelection()
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{
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if (m_selectionSubPage != nullptr) {
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m_selectionSubPage = nullptr;
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emit selectionMoved();
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m_selectionCornerRow = m_selectionCornerColumn = -1;
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}
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}
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int TeletextDocument::levelRequired() const
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{
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int levelSeen = 0;
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for (auto &subPage : m_subPages) {
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levelSeen = qMax(levelSeen, subPage->levelRequired());
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if (levelSeen == 3)
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break;
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}
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return levelSeen;
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}
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133
src/qteletextmaker/document.h
Normal file
133
src/qteletextmaker/document.h
Normal file
@@ -0,0 +1,133 @@
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/*
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* Copyright (C) 2020-2025 Gavin MacGregor
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*
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* This file is part of QTeletextMaker.
|
||||
*
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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
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* QTeletextMaker 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.
|
||||
*
|
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* You should have received a copy of the GNU General Public License
|
||||
* 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 <QAbstractListModel>
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#include <QList>
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#include <QObject>
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#include <QUndoStack>
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#include "levelonepage.h"
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class ClutModel : public QAbstractListModel
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{
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Q_OBJECT
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public:
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ClutModel(QObject *parent = 0);
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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void setSubPage(LevelOnePage *page);
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private:
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LevelOnePage *m_subPage;
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};
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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;
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void clear();
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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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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 newSubPageIndex, bool refresh=false);
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void selectSubPageNext();
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void selectSubPagePrevious();
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void insertSubPage(int beforeSubPageIndex, bool copySubPage);
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void deleteSubPage(int subPageToDelete);
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void deleteSubPageToRecycle(int subPageToRecycle);
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void unDeleteSubPageFromRecycle(int subPage);
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int pageNumber() const { return m_pageNumber; }
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void setPageNumber(int pageNumber);
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void setPageNumberFromString(QString pageNumberString);
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QString description() const { return m_description; }
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void setDescription(QString newDescription);
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void setFastTextLinkPageNumberOnAllSubPages(int linkNumber, int pageNumber);
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QUndoStack *undoStack() const { return m_undoStack; }
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ClutModel *clutModel() const { return m_clutModel; }
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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(bool shiftKey=false);
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void cursorDown(bool shiftKey=false);
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void cursorLeft(bool shiftKey=false);
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void cursorRight(bool shiftKey=false);
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void moveCursor(int cursorRow, int cursorColumn, bool selectionInProgress=false);
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bool rowZeroAllowed() const { return m_rowZeroAllowed; };
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void setRowZeroAllowed(bool allowed);
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int selectionTopRow() const { return m_selectionCornerRow == -1 ? m_cursorRow : qMin(m_selectionCornerRow, m_cursorRow); }
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int selectionBottomRow() const { return qMax(m_selectionCornerRow, m_cursorRow); }
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int selectionLeftColumn() const { return m_selectionCornerColumn == -1 ? m_cursorColumn : qMin(m_selectionCornerColumn, m_cursorColumn); }
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int selectionRightColumn() const { return qMax(m_selectionCornerColumn, m_cursorColumn); }
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int selectionWidth() const { return m_selectionCornerColumn == -1 ? 1 : selectionRightColumn() - selectionLeftColumn() + 1; }
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int selectionHeight() const { return m_selectionCornerRow == -1 ? 1 : selectionBottomRow() - selectionTopRow() + 1; }
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bool selectionActive() const { return m_selectionSubPage == currentSubPage(); }
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int selectionCornerRow() const { return m_selectionCornerRow == -1 ? m_cursorRow : m_selectionCornerRow; }
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int selectionCornerColumn() const { return m_selectionCornerColumn == -1 ? m_cursorColumn : m_selectionCornerColumn; }
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void setSelectionCorner(int row, int column);
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void setSelection(int topRow, int leftColumn, int bottomRow, int rightColumn);
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||||
void cancelSelection();
|
||||
int levelRequired() const;
|
||||
|
||||
signals:
|
||||
void cursorMoved();
|
||||
void selectionMoved();
|
||||
void colourChanged(int i);
|
||||
void pageOptionsChanged();
|
||||
void aboutToChangeSubPage();
|
||||
void subPageSelected();
|
||||
void contentsChanged();
|
||||
|
||||
void tripletCommandHighlight(int tripletNumber);
|
||||
|
||||
private:
|
||||
QString m_description;
|
||||
int m_pageNumber, m_currentSubPageIndex;
|
||||
PageFunctionEnum m_pageFunction;
|
||||
PacketCodingEnum m_packetCoding;
|
||||
QList<LevelOnePage *> m_subPages;
|
||||
QList<LevelOnePage *> m_recycleSubPages;
|
||||
QUndoStack *m_undoStack;
|
||||
int m_cursorRow, m_cursorColumn, m_selectionCornerRow, m_selectionCornerColumn;
|
||||
bool m_rowZeroAllowed;
|
||||
LevelOnePage *m_selectionSubPage;
|
||||
ClutModel *m_clutModel;
|
||||
};
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user