diff options
Diffstat (limited to 'src/gui/text/qtextmarkdownwriter.cpp')
| -rw-r--r-- | src/gui/text/qtextmarkdownwriter.cpp | 58 |
1 files changed, 37 insertions, 21 deletions
diff --git a/src/gui/text/qtextmarkdownwriter.cpp b/src/gui/text/qtextmarkdownwriter.cpp index a445ee7e83..f180098db2 100644 --- a/src/gui/text/qtextmarkdownwriter.cpp +++ b/src/gui/text/qtextmarkdownwriter.cpp @@ -106,7 +106,7 @@ void QTextMarkdownWriter::writeFrame(const QTextFrame *frame) Q_ASSERT(frame); const QTextTable *table = qobject_cast<const QTextTable*> (frame); QTextFrame::iterator iterator = frame->begin(); - QTextFrame *child = 0; + QTextFrame *child = nullptr; int tableRow = -1; bool lastWasList = false; QVector<int> tableColumnWidths; @@ -161,7 +161,7 @@ void QTextMarkdownWriter::writeFrame(const QTextFrame *frame) m_stream << QString(paddingLen, Space); for (int col = cell.column(); col < spanEndCol; ++col) m_stream << "|"; - } else if (block.textList()) { + } else if (block.textList() || block.blockFormat().hasProperty(QTextFormat::BlockCodeLanguage)) { m_stream << Newline; } else if (endingCol > 0) { m_stream << Newline << Newline; @@ -252,6 +252,8 @@ static void maybeEscapeFirstChar(QString &s) int QTextMarkdownWriter::writeBlock(const QTextBlock &block, bool wrap, bool ignoreFormat) { int ColumnLimit = 80; + QTextBlockFormat blockFmt = block.blockFormat(); + bool indentedCodeBlock = false; if (block.textList()) { // it's a list-item auto fmt = block.textList()->format(); const int listLevel = fmt.indent(); @@ -281,7 +283,7 @@ int QTextMarkdownWriter::writeBlock(const QTextBlock &block, bool wrap, bool ign m_wrappedLineIndent = 4; break; } - switch (block.blockFormat().marker()) { + switch (blockFmt.marker()) { case QTextBlockFormat::Checked: bullet += " [x]"; break; @@ -309,21 +311,35 @@ int QTextMarkdownWriter::writeBlock(const QTextBlock &block, bool wrap, bool ign prefix += QLatin1String(bullet) + Space; } m_stream << prefix; - } else if (block.blockFormat().hasProperty(QTextFormat::BlockTrailingHorizontalRulerWidth)) { + } else if (blockFmt.hasProperty(QTextFormat::BlockTrailingHorizontalRulerWidth)) { m_stream << "- - -\n"; // unambiguous horizontal rule, not an underline under a heading return 0; - } else if (!block.blockFormat().indent()) { + } else if (!blockFmt.indent()) { m_wrappedLineIndent = 0; + m_linePrefix.clear(); + if (blockFmt.hasProperty(QTextFormat::BlockQuoteLevel)) { + int level = blockFmt.intProperty(QTextFormat::BlockQuoteLevel); + QString quoteMarker = QStringLiteral("> "); + m_linePrefix.reserve(level * 2); + for (int i = 0; i < level; ++i) + m_linePrefix += quoteMarker; + } + if (blockFmt.hasProperty(QTextFormat::BlockCodeLanguage)) { + // A block quote can contain an indented code block, but not vice-versa. + m_linePrefix += QString(4, Space); + indentedCodeBlock = true; + } } + if (blockFmt.headingLevel()) + m_stream << QByteArray(blockFmt.headingLevel(), '#') << ' '; + else + m_stream << m_linePrefix; - if (block.blockFormat().headingLevel()) - m_stream << QByteArray(block.blockFormat().headingLevel(), '#') << ' '; - - QString wrapIndentString(m_wrappedLineIndent, Space); + QString wrapIndentString = m_linePrefix + QString(m_wrappedLineIndent, Space); // It would be convenient if QTextStream had a lineCharPos() accessor, // to keep track of how many characters (not bytes) have been written on the current line, // but it doesn't. So we have to keep track with this col variable. - int col = m_wrappedLineIndent; + int col = wrapIndentString.length(); bool mono = false; bool startsOrEndsWithBacktick = false; bool bold = false; @@ -338,7 +354,7 @@ int QTextMarkdownWriter::writeBlock(const QTextBlock &block, bool wrap, bool ign if (block.textList()) { // <li>first line</br>continuation</li> QString newlineIndent = QString(Newline) + QString(m_wrappedLineIndent, Space); fragmentText.replace(QString(LineBreak), newlineIndent); - } else if (block.blockFormat().indent() > 0) { // <li>first line<p>continuation</p></li> + } else if (blockFmt.indent() > 0) { // <li>first line<p>continuation</p></li> m_stream << QString(m_wrappedLineIndent, Space); } else { fragmentText.replace(LineBreak, Newline); @@ -368,7 +384,7 @@ int QTextMarkdownWriter::writeBlock(const QTextBlock &block, bool wrap, bool ign bool monoFrag = fontInfo.fixedPitch(); QString markers; if (!ignoreFormat) { - if (monoFrag != mono) { + if (monoFrag != mono && !indentedCodeBlock) { if (monoFrag) backticks = QString(adjacentBackticksCount(fragmentText) + 1, Backtick); markers += backticks; @@ -376,25 +392,25 @@ int QTextMarkdownWriter::writeBlock(const QTextBlock &block, bool wrap, bool ign markers += Space; mono = monoFrag; } - if (!block.blockFormat().headingLevel() && !mono) { - if (fmt.font().bold() != bold) { + if (!blockFmt.headingLevel() && !mono) { + if (fontInfo.bold() != bold) { markers += QLatin1String("**"); - bold = fmt.font().bold(); + bold = fontInfo.bold(); } - if (fmt.font().italic() != italic) { + if (fontInfo.italic() != italic) { markers += QLatin1Char('*'); - italic = fmt.font().italic(); + italic = fontInfo.italic(); } - if (fmt.font().strikeOut() != strikeOut) { + if (fontInfo.strikeOut() != strikeOut) { markers += QLatin1String("~~"); - strikeOut = fmt.font().strikeOut(); + strikeOut = fontInfo.strikeOut(); } - if (fmt.font().underline() != underline) { + if (fontInfo.underline() != underline) { // Markdown doesn't support underline, but the parser will treat a single underline // the same as a single asterisk, and the marked fragment will be rendered in italics. // That will have to do. markers += QLatin1Char('_'); - underline = fmt.font().underline(); + underline = fontInfo.underline(); } } } |