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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "cpprefactoringchanges.h"
#include <QString>
#include <QCoreApplication>
#include <QFutureWatcher>
#include <QTextCursor>
namespace CppEditor {
class CppEditorWidget;
namespace Internal {
class FunctionDeclDefLink;
class FunctionDeclDefLinkFinder : public QObject
{
Q_OBJECT
public:
FunctionDeclDefLinkFinder(QObject *parent = nullptr);
void startFindLinkAt(QTextCursor cursor,
const CPlusPlus::Document::Ptr &doc,
const CPlusPlus::Snapshot &snapshot);
QTextCursor scannedSelection() const;
signals:
void foundLink(std::shared_ptr<FunctionDeclDefLink> link);
private:
void onFutureDone();
QTextCursor m_scannedSelection;
QTextCursor m_nameSelection;
std::unique_ptr<QFutureWatcher<std::shared_ptr<FunctionDeclDefLink>>> m_watcher;
};
class FunctionDeclDefLink
{
Q_DISABLE_COPY(FunctionDeclDefLink)
FunctionDeclDefLink() = default;
public:
bool isValid() const;
bool isMarkerVisible() const;
void apply(CppEditorWidget *editor, bool jumpToMatch);
void hideMarker(CppEditorWidget *editor);
void showMarker(CppEditorWidget *editor);
Utils::ChangeSet changes(const CPlusPlus::Snapshot &snapshot, int targetOffset = -1);
QTextCursor linkSelection;
// stored to allow aborting when the name is changed
QTextCursor nameSelection;
QString nameInitial;
// The 'source' prefix denotes information about the original state
// of the function before the user did any edits.
CPlusPlus::Document::Ptr sourceDocument;
CPlusPlus::Function *sourceFunction = nullptr;
CPlusPlus::DeclarationAST *sourceDeclaration = nullptr;
CPlusPlus::FunctionDeclaratorAST *sourceFunctionDeclarator = nullptr;
// The 'target' prefix denotes information about the remote declaration matching
// the 'source' declaration, where we will try to apply the user changes.
// 1-based line and column
int targetLine = 0;
int targetColumn = 0;
QString targetInitial;
CppRefactoringFileConstPtr targetFile;
CPlusPlus::Function *targetFunction = nullptr;
CPlusPlus::DeclarationAST *targetDeclaration = nullptr;
CPlusPlus::FunctionDeclaratorAST *targetFunctionDeclarator = nullptr;
private:
QString normalizedInitialName() const;
bool hasMarker = false;
friend class FunctionDeclDefLinkFinder;
};
} // namespace Internal
} // namespace CppEditor
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