daniel/QTeletextMaker
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Add exporting of X/28 packets as M/29

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This commit is contained in:
G.K.MacGregor
2021-09-06 22:07:14 +01:00
parent 43691750ef
commit d8afb84861
4 changed files with 110 additions and 0 deletions
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56
mainwindow.cpp
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@@ -27,6 +27,7 @@
#include <QPainter>
#include <QPushButton>
#include <QRadioButton>
#include <QRegExp>
#include <QSaveFile>
#include <QScreen>
#include <QSettings>
@@ -353,6 +354,10 @@ void MainWindow::createActions()
exportPNGAct->setStatusTip("Export a PNG image of this subpage");
connect(exportPNGAct, &QAction::triggered, this, &MainWindow::exportPNG);
QAction *exportM29Act = fileMenu->addAction(tr("Export subpage X/28 as M/29..."));
exportM29Act->setStatusTip("Export this subpage's X/28 packets as a tti file with M/29 packets");
connect(exportM29Act, &QAction::triggered, this, &MainWindow::exportM29);
fileMenu->addSeparator();
QAction *closeAct = fileMenu->addAction(tr("&Close"), this, &QWidget::close);
@@ -1031,6 +1036,57 @@ void MainWindow::exportT42()
QMessageBox::warning(this, tr("QTeletextMaker"), errorMessage);
}
void MainWindow::exportM29()
{
QString errorMessage;
QString exportFileName = m_curFile;
if (m_isUntitled || !QFileInfo(m_curFile).exists())
exportFileName = QString("P%1FF.tti").arg(m_textWidget->document()->pageNumber() >> 8, 1, 16);
else {
exportFileName = QFileInfo(m_curFile).fileName();
// Suggest a new filename to avoid clobbering the original file
if (QRegExp(("^[Pp]?[1-8][0-9A-Fa-f][0-9A-Fa-f]")).indexIn(exportFileName) != -1) {
// Page number forms start of file name, change it to xFF
if (exportFileName.at(0) == 'P' || exportFileName.at(0) == 'p') {
exportFileName[2] = 'F';
exportFileName[3] = 'F';
} else {
exportFileName[1] = 'F';
exportFileName[2] = 'F';
}
// No page number at start of file name. Try to insert "-m29" while preserving .tti(x) suffix
} else if (exportFileName.endsWith(".tti", Qt::CaseInsensitive)) {
exportFileName.chop(4);
exportFileName.append("-m29.tti");
} else if (exportFileName.endsWith(".ttix", Qt::CaseInsensitive)) {
exportFileName.chop(5);
exportFileName.append("-m29.ttix");
} else
// Shouldn't get here, bit of a messy escape but still better than clobbering the original file
exportFileName.append("-m29.tti");
exportFileName = QDir(QFileInfo(m_curFile).absoluteDir()).filePath(exportFileName);
}
exportFileName = QFileDialog::getSaveFileName(this, tr("Export M/29 tti"), exportFileName, "TTI teletext page (*.tti *.ttix)");
if (exportFileName.isEmpty())
return;
QApplication::setOverrideCursor(Qt::WaitCursor);
QSaveFile file(exportFileName);
if (file.open(QFile::WriteOnly | QFile::Text)) {
exportM29File(file, *m_textWidget->document());
if (!file.commit())
errorMessage = tr("Cannot write file %1:\n%2.").arg(QDir::toNativeSeparators(exportFileName), file.errorString());
} else
errorMessage = tr("Cannot open file %1 for writing:\n%2.").arg(QDir::toNativeSeparators(exportFileName), file.errorString());
QApplication::restoreOverrideCursor();
if (!errorMessage.isEmpty())
QMessageBox::warning(this, tr("QTeletextMaker"), errorMessage);
}
void MainWindow::setCurrentFile(const QString &fileName)
{
static int sequenceNumber = 1;