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Avoid opening completion box in some unwanted situations

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Don't automatically trigger the completion when editing a word or when
in a comment or string.
This commit is contained in:
Thorbjørn Lindeijer
2010-07-15 18:22:44 +02:00
parent 15e655b718
commit 2e56fe23af
1 changed files with 24 additions and 6 deletions
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30
src/plugins/cpptools/cppcodecompletion.cpp
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@@ -656,12 +656,30 @@ bool CppCodeCompletion::triggersCompletion(TextEditor::ITextEditable *editor)
return true;
} else if (completionSettings().m_completionTrigger == TextEditor::AutomaticCompletion) {
// Trigger completion after three characters of a name have been typed
const int startOfName = findStartOfName(pos);
if (pos - startOfName == 3) {
const QChar firstCharacter = editor->characterAt(startOfName);
if (firstCharacter.isLetter() || firstCharacter == QLatin1Char('_'))
return true;
// Trigger completion after three characters of a name have been typed, when not editing an existing name
QChar characterUnderCursor = editor->characterAt(pos);
if (!characterUnderCursor.isLetterOrNumber()) {
const int startOfName = findStartOfName(pos);
if (pos - startOfName == 3) {
const QChar firstCharacter = editor->characterAt(startOfName);
if (firstCharacter.isLetter() || firstCharacter == QLatin1Char('_')) {
// Finally check that we're not inside a comment or string (code copied from startOfOperator)
TextEditor::BaseTextEditor *edit = qobject_cast<TextEditor::BaseTextEditor *>(editor->widget());
QTextCursor tc(edit->textCursor());
tc.setPosition(pos);
SimpleLexer tokenize;
tokenize.setQtMocRunEnabled(true);
tokenize.setObjCEnabled(true);
tokenize.setSkipComments(false);
const QList<Token> &tokens = tokenize(tc.block().text(), BackwardsScanner::previousBlockState(tc.block()));
const int tokenIdx = SimpleLexer::tokenBefore(tokens, qMax(0, tc.positionInBlock() - 1));
const Token tk = (tokenIdx == -1) ? Token() : tokens.at(tokenIdx);
if (!tk.isComment() && !tk.isLiteral())
return true;
}
}
}
}