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Handle non-Latin characters when pasting plain text

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This commit is contained in:
G.K.MacGregor
2021-05-23 14:03:28 +01:00
parent a66474b7cf
commit 2c04c898ab
3 changed files with 23 additions and 6 deletions
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25
levelonecommands.cpp
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@@ -403,7 +403,7 @@ void CutCommand::undo()
}
PasteCommand::PasteCommand(TeletextDocument *teletextDocument, QUndoCommand *parent) : LevelOneCommand(teletextDocument, parent)
PasteCommand::PasteCommand(TeletextDocument *teletextDocument, int pageCharSet, QUndoCommand *parent) : LevelOneCommand(teletextDocument, parent)
{
const QClipboard *clipboard = QApplication::clipboard();
const QMimeData *mimeData = clipboard->mimeData();
@@ -441,9 +441,26 @@ PasteCommand::PasteCommand(TeletextDocument *teletextDocument, QUndoCommand *par
for (int r=0; r<m_clipboardDataHeight; r++) {
m_pastingCharacters.append(QByteArray());
for (int c=0; c<plainTextData.at(r).size(); c++)
// TODO deal with Unicode properly
m_pastingCharacters[r].append(keymapping[12].value(plainTextData.at(r).at(c), *qPrintable(plainTextData.at(r).at(c))));
for (int c=0; c<plainTextData.at(r).size(); c++) {
// Try to map the unicode character to the current Level 1 character set of this page
char convertedChar;
const QChar charToConvert = plainTextData.at(r).at(c);
if (keymapping[pageCharSet].contains(charToConvert))
// Remapped character or non-Latin character converted successfully
convertedChar = keymapping[pageCharSet].value(charToConvert);
else {
// Either a Latin character or non-Latin character that can't be converted
// See if it's a Latin character
convertedChar = charToConvert.toLatin1();
if (convertedChar == 0)
// Couldn't convert - make it a block character so it doesn't need to be inserted-between later on
convertedChar = 0x7f;
}
m_pastingCharacters[r].append(convertedChar);
}
m_clipboardDataWidth = qMax(m_pastingCharacters.at(r).size(), m_clipboardDataWidth);
}
// Pad short lines with spaces to make a box