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Untangle saving TTI files into new file

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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.
This commit is contained in:
G.K.MacGregor
2020-11-24 19:01:25 +00:00
parent cf00cff59d
commit 4ce1b027b0
10 changed files with 230 additions and 99 deletions
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28
document.cpp
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@@ -147,34 +147,6 @@ void TeletextDocument::loadDocument(QFile *inFile)
subPageSelected();
}
void TeletextDocument::saveDocument(QTextStream *outStream)
{
if (!m_description.isEmpty())
*outStream << "DE," << m_description << endl;
//TODO DS and SP commands
int subPageNumber = m_subPages.size()>1;
for (auto &subPage : m_subPages) {
subPage->savePage(outStream, m_pageNumber, subPageNumber++);
if ((subPage->fastTextLinkPageNumber(0) & 0x0ff) != 0x0ff) {
*outStream << "FL,";
for (int i=0; i<6; i++) {
// Stored as page link with relative magazine number, convert to absolute page number for display
int absoluteLinkPageNumber = subPage->fastTextLinkPageNumber(i) ^ (m_pageNumber & 0x700);
// Fix magazine 0 to 8
if ((absoluteLinkPageNumber & 0x700) == 0x000)
absoluteLinkPageNumber |= 0x800;
*outStream << QString("%1").arg(absoluteLinkPageNumber, 3, 16, QChar('0'));
if (i<5)
*outStream << ',';
}
*outStream << endl;
}
}
}
void TeletextDocument::selectSubPageIndex(int newSubPageIndex, bool forceRefresh)
{
// forceRefresh overrides "beyond the last subpage" check, so inserting a subpage after the last one still shows - dangerous workaround?