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Revert "TextEditor: Use synchronous highlighter by default"

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This reverts commit 1c47a0a301.
Changing the default revealed a crash that seem to be caused by the
async syntax highlighter infra structure changes. Revert the default for
now to figure out the cause of the crash.

Task-number: QTCREATORBUG-30494
Change-Id: I1d0388c29d206cb25f2d58e4b305aa8303db2a60
Reviewed-by: Robert Löhning <robert.loehning@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
This commit is contained in:
David Schulz
2024-03-06 14:12:30 +00:00
committed by Robert Löhning
parent cc30e923ff
commit 0539e2a0f6
2 changed files with 7 additions and 11 deletions
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14
src/plugins/texteditor/textdocument.cpp
View File

@@ -914,23 +914,19 @@ bool TextDocument::reload(QString *errorString, ReloadFlag flag, ChangeType type
void TextDocument::resetSyntaxHighlighter(const std::function<SyntaxHighlighter *()> &creator,
bool threaded)
{
if (d->m_highlighterRunner)
delete d->m_highlighterRunner;
static const std::optional<bool> envValue = []() -> std::optional<bool> {
const QString key("QTC_USE_THREADED_HIGHLIGHTER");
if (qtcEnvironmentVariableIsSet(key)) {
const QString value = qtcEnvironmentVariable(key).toUpper();
return value != "FALSE" && value != "0";
}
return {};
}();
static const bool envValue
= qtcEnvironmentVariable("QTC_USE_THREADED_HIGHLIGHTER", "TRUE").toUpper()
== QLatin1String("TRUE");
SyntaxHighlighter *highlighter = creator();
highlighter->setFontSettings(TextEditorSettings::fontSettings());
highlighter->setMimeType(mimeType());
d->m_highlighterRunner = new SyntaxHighlighterRunner(highlighter,
document(),
envValue.value_or(threaded));
threaded && envValue);
}
void TextDocument::cleanWhitespace(const QTextCursor &cursor)

2
src/plugins/texteditor/textdocument.h
View File

@@ -127,7 +127,7 @@ public:
QTextDocument *document() const;
using SyntaxHighLighterCreator = std::function<SyntaxHighlighter *()>;
void resetSyntaxHighlighter(const SyntaxHighLighterCreator &creator, bool threaded = false);
void resetSyntaxHighlighter(const SyntaxHighLighterCreator &creator, bool threaded = true);
SyntaxHighlighterRunner *syntaxHighlighterRunner() const;
bool reload(QString *errorString, QTextCodec *codec);