main_window.h

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/*
 * Software License Agreement (BSD License)
 *
 *  Point Cloud Library (PCL) - www.pointclouds.org
 *  Copyright (c) 2012, Willow Garage, Inc.
 *  All rights reserved.
 *
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 *     notice, this list of conditions and the following disclaimer.
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 *     copyright notice, this list of conditions and the following
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 *     with the distribution.
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 *     contributors may be used to endorse or promote products derived
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#ifndef PCL_MODELER_MAIN_WINDOW_H_
#define PCL_MODELER_MAIN_WINDOW_H_

#include <pcl/apps/modeler/qt.h>
#include <boost/shared_ptr.hpp>

#include <ui_main_window.h>


namespace pcl
{
  namespace modeler
  {
    class SceneTree;
    class AbstractItem;

    class MainWindow : public QMainWindow
    {
      Q_OBJECT

      public:
        static MainWindow& getInstance() {
          static MainWindow theSingleton;
          return theSingleton;
        }

        QString 
        getRecentFolder();

        RenderWindowItem*
        createRenderWindow();

      public slots:
        // slots for file menu
        void 
        slotOpenProject();
        void 
        slotSaveProject();
        void 
        slotCloseProject();
        void 
        slotExit();
        void
        slotUpdateRecentFile(const QString& filename);

        // slots for view menu
        void
        slotCreateRenderWindow();

        void
        slotOnWorkerStarted();

        void
        slotOnWorkerFinished();

      private:
        // methods for file Menu
        void 
        connectFileMenuActions();
        void 
        createRecentPointCloudActions();
        void 
        updateRecentPointCloudActions();
        void 
        createRecentProjectActions();
        void 
        updateRecentProjectActions();
        bool 
        openProjectImpl(const QString& filename);
        static void 
        updateRecentActions(std::vector<boost::shared_ptr<QAction> >& recent_actions, QStringList& recent_items);

        // methods for view menu
        void 
        connectViewMenuActions();

        // methods for edit menu
        void 
        connectEditMenuActions();

        // methods for global settings
        void 
        loadGlobalSettings();
        void 
        saveGlobalSettings();

      private slots:
        void 
        slotOpenRecentPointCloud();
        void 
        slotOpenRecentProject();

      private:
        friend class AbstractItem;

        MainWindow();
        MainWindow(const MainWindow &) : QMainWindow () {}            // copy ctor hidden
        MainWindow& operator=(const MainWindow &) { return (*this); } // assign op. hidden
        ~MainWindow();

        Ui::MainWindow                    *ui_; // Designer form

        // shortcuts for recent point clouds/projects
        QStringList                       recent_files_;
        QStringList                       recent_projects_;
        static const size_t               MAX_RECENT_NUMBER = 8;
        std::vector<boost::shared_ptr<QAction> >  recent_pointcloud_actions_;
        std::vector<boost::shared_ptr<QAction> >  recent_project_actions_;
    };
  }
}

#endif // PCL_MODELER_MAIN_WINDOW_H_