text: 
  //
  // This source file is part of appleseed.
  // Visit https://appleseedhq.net/ for additional information and resources.
  //
  // This software is released under the MIT license.
  //
  // Copyright (c) 2018 Francois Beaune, The appleseedhq Organization
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  //
  
  #ifndef APPLESEED_STUDIO_MAINWINDOW_PROJECT_SEARCHPATHSWINDOW_H
  #define APPLESEED_STUDIO_MAINWINDOW_PROJECT_SEARCHPATHSWINDOW_H
  
  // Qt headers.
  #include <QObject>
  #include <QWidget>
  
  // Forward declarations.
  namespace renderer  { class Project; }
  namespace Ui        { class SearchPathsWindow; }
  
  namespace appleseed {
  namespace studio {
  
  //
  // Search paths window.
  //
  
  class SearchPathsWindow
    : public QWidget
  {
      Q_OBJECT
  
    public:
      // Constructor.
      SearchPathsWindow(
          const renderer::Project&    project,
          QWidget*                    parent = nullptr);
  
      // Destructor.
      ~SearchPathsWindow() override;
  
    signals:
      void signal_paths_modified() const;
  
    private:
      // Not wrapped in std::unique_ptr<> to avoid pulling in the UI definition code.
      Ui::SearchPathsWindow*          m_ui;
  
      const renderer::Project&        m_project;
      bool                            m_edit_committed;
  
      void load_search_paths();
      void save_search_paths();
  
    private slots:
      void accept();
      void reject();
      void slot_add();
      void slot_remove();
      void slot_move_up();
      void slot_move_down();
      void slot_path_selection_changed();
      void slot_path_editor_committed(QWidget* widget);
      void slot_path_editor_closed(QWidget* widget);
  
  };
  
  }       // namespace studio
  }       // namespace appleseed
  
  #endif  // !APPLESEED_STUDIO_MAINWINDOW_PROJECT_SEARCHPATHSWINDOW_H
  