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Completion: improve complete in the middle

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Apply clang fix to the old code model
Do not replace the text after cursor if
the proposal does not contain it or
if proposal matches 100% the text after it

Task-number: QTCREATORBUG-18471
Change-Id: I662cb6e48a9e0ee14065594f5c823f114fff2474
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
This commit is contained in:
Ivan Donchevskii
2017-06-28 09:51:53 +02:00
parent 19c9194b11
commit 287ae7ae61
3 changed files with 35 additions and 22 deletions
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15
src/plugins/texteditor/codeassist/codeassistant.cpp
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@@ -365,8 +365,21 @@ void CodeAssistantPrivate::handlePrefixExpansion(const QString &newPrefix)
cursor.setPosition(m_proposal->basePosition());
cursor.movePosition(QTextCursor::EndOfWord);
int currentPosition = m_editorWidget->position();
const QString textAfterCursor = m_editorWidget->textAt(currentPosition,
cursor.position() - currentPosition);
if (!textAfterCursor.startsWith(newPrefix)) {
if (newPrefix.indexOf(textAfterCursor, currentPosition - m_proposal->basePosition()) >= 0)
currentPosition = cursor.position();
const QStringRef prefixAddition =
newPrefix.midRef(currentPosition - m_proposal->basePosition());
// If remaining string starts with the prefix addition
if (textAfterCursor.startsWith(prefixAddition))
currentPosition += prefixAddition.size();
}
m_editorWidget->setCursorPosition(m_proposal->basePosition());
m_editorWidget->replace(cursor.position() - m_proposal->basePosition(), newPrefix);
m_editorWidget->replace(currentPosition - m_proposal->basePosition(), newPrefix);
notifyChange();
}