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GenericProposalModel: Allow substring matches

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So far, if we had these three functions:

  int getSomething() { return 44; }
  int get_something() { return 43; }
  int something() { return 42; }

then we did not get a completion for getSomething()
or get_something() if we just typed "some", as only
the prefix was taken into account.

This patch adds support for substring matches, and
adds these with lower priority to the proposal list.

Task-number: QTCREATORBUG-19170
Fixes: QTCREATORBUG-19918
Change-Id: Ifc5e2149e4b1fa995f1f8550efc84e7ff4fb1522
Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
Andre Hartmann
2019-07-13 14:12:28 +02:00
committed by André Hartmann
parent 20cccf53ae
commit b5a82a4d58
2 changed files with 10 additions and 4 deletions
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5
src/plugins/texteditor/codeassist/assistproposaliteminterface.h
View File

@@ -46,8 +46,9 @@ public:
{
Full = 0,
Exact = 1,
Lower = 2,
None = 3
Prefix = 2,
Infix = 3,
None = 4
};
AssistProposalItemInterface() = default;

9
src/plugins/texteditor/codeassist/genericproposalmodel.cpp
View File

@@ -301,7 +301,10 @@ void GenericProposalModel::filter(const QString &prefix)
const QString lowerPrefix = prefix.toLower();
for (const auto &item : qAsConst(m_originalItems)) {
const QString &text = item->text();
if (regExp.match(text).capturedStart() == 0) {
const QRegularExpressionMatch match = regExp.match(text);
const bool hasPrefixMatch = match.capturedStart() == 0;
const bool hasInfixMatch = prefix.size() >= 3 && match.hasMatch();
if (hasPrefixMatch || hasInfixMatch) {
m_currentItems.append(item);
if (text.startsWith(prefix)) {
// Direct match
@@ -312,7 +315,9 @@ void GenericProposalModel::filter(const QString &prefix)
}
if (text.startsWith(lowerPrefix, Qt::CaseInsensitive))
item->setPrefixMatch(AssistProposalItemInterface::PrefixMatch::Lower);
item->setPrefixMatch(AssistProposalItemInterface::PrefixMatch::Prefix);
else if (text.contains(lowerPrefix, Qt::CaseInsensitive))
item->setPrefixMatch(AssistProposalItemInterface::PrefixMatch::Infix);
}
}
}