HintingLineEdit.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2014 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
#include "Hint.h"
#include "MantidAPI/AlgorithmFactory.h"
#include "MantidQtWidgets/Common/DllOption.h"
 
#include <QLineEdit>
 
#include <map>
#include <string>
 
//------------------------------------------------------------------------------
// Forward declaration
//------------------------------------------------------------------------------
class QLabel;
 
namespace MantidQt {
namespace MantidWidgets {
class EXPORT_OPT_MANTIDQT_COMMON HintingLineEdit : public QLineEdit {
  Q_OBJECT
public:
  HintingLineEdit(QWidget *parent, std::vector<Hint> hints);
  ~HintingLineEdit() override;
 
protected:
  void keyPressEvent(QKeyEvent *e) override;
  void updateMatches();
  void showToolTip();
  void insertSuggestion();
  void clearSuggestion();
  void nextSuggestion();
  void prevSuggestion();
  std::vector<Hint> m_matches;
  std::vector<Hint> m_hints;
  std::string m_currentPrefix; // m_curKey;
  typename std::vector<Hint>::const_iterator m_match;
  bool m_dontComplete;
  QLabel *m_hintLabel;
protected slots:
  void updateHints(const QString &text);
  void hideHints();
};
} // namespace MantidWidgets
} // namespace MantidQt