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More intelligent function argument widget

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Now it shows immediately when there is only a single signature of a
given method/constructor.

(cherry picked from commit 8b9dd766c8)

Conflicts:

	src/plugins/cpptools/cppcodecompletion.cpp
This commit is contained in:
Thorbjørn Lindeijer
2009-02-16 15:15:43 +01:00
parent 9aa86f9135
commit 100a6254f6
2 changed files with 29 additions and 39 deletions
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63
src/plugins/cpptools/cppcodecompletion.cpp
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@@ -518,7 +518,7 @@ int CppCodeCompletion::startCompletion(TextEditor::ITextEditable *editor)
if (exprTy->isReferenceType())
exprTy = exprTy->asReferenceType()->elementType();
if (m_completionOperator == T_LPAREN && completeFunction(exprTy, resolvedTypes, context)) {
if (m_completionOperator == T_LPAREN && completeConstructorOrFunction(exprTy, resolvedTypes)) {
return m_startPosition;
} else if ((m_completionOperator == T_DOT || m_completionOperator == T_ARROW) &&
completeMember(resolvedTypes, context)) {
@@ -551,7 +551,7 @@ int CppCodeCompletion::startCompletion(TextEditor::ITextEditable *editor)
foreach (const TypeOfExpression::Result &result, results) {
if (result.first->isClass()) {
FullySpecifiedType exprTy = result.first;
if (completeConstructors(exprTy->asClass()))
if (completeConstructorOrFunction(exprTy, QList<TypeOfExpression::Result>()))
return m_startPosition;
break;
}
@@ -563,18 +563,29 @@ int CppCodeCompletion::startCompletion(TextEditor::ITextEditable *editor)
return -1;
}
bool CppCodeCompletion::completeFunction(FullySpecifiedType exprTy,
const QList<TypeOfExpression::Result> &resolvedTypes,
const LookupContext &)
bool CppCodeCompletion::completeConstructorOrFunction(FullySpecifiedType exprTy,
const QList<TypeOfExpression::Result> &resolvedTypes)
{
if (Class *klass = exprTy->asClass()) {
completeConstructors(klass);
} else {
ConvertToCompletionItem toCompletionItem(this);
Overview o;
o.setShowReturnTypes(true);
o.setShowArgumentNames(true);
ConvertToCompletionItem toCompletionItem(this);
Overview o;
o.setShowReturnTypes(true);
o.setShowArgumentNames(true);
if (Class *klass = exprTy->asClass()) {
for (unsigned i = 0; i < klass->memberCount(); ++i) {
Symbol *member = klass->memberAt(i);
if (! member->type()->isFunction())
continue;
else if (! member->identity())
continue;
else if (! member->identity()->isEqualTo(klass->identity()))
continue;
if (TextEditor::CompletionItem item = toCompletionItem(member)) {
item.m_text = o(member->type(), member->name());
m_completions.append(item);
}
}
} else {
QSet<QString> signatures;
foreach (TypeOfExpression::Result p, resolvedTypes) {
FullySpecifiedType ty = p.first;
@@ -594,6 +605,10 @@ bool CppCodeCompletion::completeFunction(FullySpecifiedType exprTy,
}
}
// If there is only one item, show the function argument widget immediately
if (m_completions.size() == 1)
complete(m_completions.takeFirst());
return ! m_completions.isEmpty();
}
@@ -887,30 +902,6 @@ void CppCodeCompletion::completeClass(const QList<Symbol *> &candidates,
}
}
bool CppCodeCompletion::completeConstructors(Class *klass)
{
ConvertToCompletionItem toCompletionItem(this);
Overview o;
o.setShowReturnTypes(true);
o.setShowArgumentNames(true);
for (unsigned i = 0; i < klass->memberCount(); ++i) {
Symbol *member = klass->memberAt(i);
if (! member->type()->isFunction())
continue;
else if (! member->identity())
continue;
else if (! member->identity()->isEqualTo(klass->identity()))
continue;
if (TextEditor::CompletionItem item = toCompletionItem(member)) {
item.m_text = o(member->type(), member->name());
m_completions.append(item);
}
}
return ! m_completions.isEmpty();
}
bool CppCodeCompletion::completeQtMethod(CPlusPlus::FullySpecifiedType,
const QList<TypeOfExpression::Result> &results,
const LookupContext &context,