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ExtensionManager: Add highlighted code blocks

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Change-Id: Id6c8ea7064f4f6b0e4e65c1142ad2787f9f1571d
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>
This commit is contained in:
Marcus Tillmanns
2024-10-10 09:39:00 +02:00
parent e21c24dc63
commit 7b1734305a
1 changed files with 84 additions and 3 deletions
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87
src/plugins/extensionmanager/extensionmanagerwidget.cpp
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@@ -29,10 +29,12 @@
#include <utils/icon.h>
#include <utils/infolabel.h>
#include <utils/layoutbuilder.h>
#include <utils/mimeutils.h>
#include <utils/networkaccessmanager.h>
#include <utils/styledbar.h>
#include <utils/stylehelper.h>
#include <utils/temporarydirectory.h>
#include <utils/textutils.h>
#include <utils/utilsicons.h>
#include <QAbstractTextDocumentLayout>
@@ -743,6 +745,78 @@ ExtensionManagerWidget::ExtensionManagerWidget()
updateView({});
}
static QTextDocument *highlightText(const QString &code, const QString &language)
{
auto mimeTypes = mimeTypesForFileName("file." + language);
QString mimeType = mimeTypes.isEmpty() ? "text/" + language : mimeTypes.first().name();
auto document = Utils::Text::highlightCode(code, mimeType);
if (document.isFinished())
return document.result();
document.cancel();
QTextDocument *doc = new QTextDocument;
doc->setPlainText(code);
return doc;
}
static void highlightCodeBlock(QTextDocument *document, QTextBlock &block, const QString &language)
{
int startBlockNumner = block.blockNumber();
// Find the end of the code block ...
QTextBlock curBlock = block;
while (curBlock.isValid()) {
curBlock = curBlock.next();
const auto valid = curBlock.isValid();
const auto hasProp = curBlock.blockFormat().hasProperty(QTextFormat::BlockCodeLanguage);
const auto prop = curBlock.blockFormat().stringProperty(QTextFormat::BlockCodeLanguage);
if (!valid || !hasProp || prop != language)
break;
}
// Get the text of the code block and erase it
QTextCursor eraseCursor(document);
eraseCursor.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor, startBlockNumner);
eraseCursor.movePosition(
QTextCursor::NextBlock,
QTextCursor::KeepAnchor,
curBlock.blockNumber() - startBlockNumner - 1);
eraseCursor.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
QString code = eraseCursor.selectedText();
eraseCursor.deleteChar();
// Create a new Frame and insert the highlighted code ...
block = document->findBlockByNumber(startBlockNumner);
QTextCursor cursor(block);
QTextFrameFormat format;
format.setBorderStyle(QTextFrameFormat::BorderStyle_Solid);
format.setBackground(creatorColor(Theme::Token_Background_Muted));
format.setPadding(SpacingTokens::ExPaddingGapM);
format.setLeftMargin(SpacingTokens::VGapM);
format.setRightMargin(SpacingTokens::VGapM);
QTextFrame *frame = cursor.insertFrame(format);
QTextCursor frameCursor(frame);
std::unique_ptr<QTextDocument> codeDocument(highlightText(code, language));
bool first = true;
for (auto block = codeDocument->begin(); block != codeDocument->end(); block = block.next()) {
if (!first)
frameCursor.insertBlock();
first = false;
auto formats = block.layout()->formats();
frameCursor.insertText(block.text());
frameCursor.block().layout()->setFormats(formats);
}
// Leave the frame
QTextCursor next = frame->lastCursorPosition();
block = next.block();
}
static void setMarkdown(QTextDocument *document, const QString &markdown)
{
document->setMarkdown(markdown);
@@ -754,12 +828,19 @@ static void setMarkdown(QTextDocument *document, const QString &markdown)
if (block.text().contains(QChar::ObjectReplacementCharacter))
continue;
if (blockFormat.hasProperty(QTextFormat::HeadingLevel))
if (blockFormat.hasProperty(QTextFormat::HeadingLevel)) {
blockFormat.setTopMargin(SpacingTokens::ExVPaddingGapXl);
else
blockFormat.setLineHeight(contentTF.lineHeight(), QTextBlockFormat::FixedHeight);
blockFormat.setBottomMargin(SpacingTokens::VGapL);
} else
blockFormat.setLineHeight(contentTF.lineHeight(), QTextBlockFormat::FixedHeight);
QTextCursor cursor(block);
if (blockFormat.hasProperty(QTextFormat::BlockCodeLanguage)) {
QString language = blockFormat.stringProperty(QTextFormat::BlockCodeLanguage);
highlightCodeBlock(document, block, language);
continue;
}
cursor.mergeBlockFormat(blockFormat);
const TextFormat headingTf =
blockFormat.headingLevel() == 1 ? h5TF