/**********************************************************************************************
    Copyright (C) 2014 Oliver Eichler <oliver.eichler@gmx.de>
    Copyright (C) 2017 Norbert Truchsess <norbert.truchsess@t-online.de>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

**********************************************************************************************/

#ifndef CMOUSENORMAL_H
#define CMOUSENORMAL_H

#include <QPixmap>
#include <QPointer>
#include <QRect>
#include <QSet>
#include <QStringList>

#include "mouse/IMouse.h"
#include "poi/IPoiItem.h"

class CCanvas;
class IScrOpt;
class CScrOptUnclutter;
class QMenu;

class CMouseNormal : public IMouse {
  Q_OBJECT
 public:
  CMouseNormal(CGisDraw* gis, CCanvas* canvas, CMouseAdapter* mouse);
  virtual ~CMouseNormal();

  void draw(QPainter& p, CCanvas::redraw_e needsRedraw, const QRect& rect) override;

  void unfocus() override;
  void leftClicked(const QPoint& point) override;
  void mouseMoved(const QPoint& pos) override;
  void mouseDragged(const QPoint& start, const QPoint& last, const QPoint& end) override;
  void rightButtonDown(const QPoint& point) override;
  void longPress(const QPoint& point) override;
  void doubleClicked(const QPoint& point) override;
  void scaleChanged() override;

 private slots:
  void slotAddPoi(const IPoiItem& poi) const;
  void slotAddWpt() const;
  void slotAddTrk() const;
  void slotAddRte() const;
  void slotAddArea() const;
  void slotRuler() const;
  void slotSelectArea() const;
  void slotCopyPosition() const;
  void slotCopyPositionGrid() const;

 private:
  bool setScreenOption(const QPoint& pt, IGisItem* item);
  void scrollToItem(IGisItem* item);
  void showContextMenu(const QPoint& point);

 protected:
  void stopTracking() const;
  void resetState();

  enum item_selection_states_e {
    eStateIdle = 0,
    eStateHooverSingle = 1  //< there is only a single item close to the cursor
    ,
    eStateHooverMultiple = 2  //< there are multiple items close to the cursor
    ,
    eStateNoMapMovePossible = 3  //< not a real state, but at this value and above no map move is allowed to take place
    ,
    eStateUnclutterMultiple =
        3  //< the user clicked on multiple cluttered items and gets now an uncluttered representation
    ,
    eStateShowItemOptions = 4  //< the user has selected a single item, show options how to proceed
  };

  item_selection_states_e stateItemSel = eStateIdle;

  CScrOptUnclutter* screenUnclutter;
  QPointer<IScrOpt> screenItemOption;

  QSet<IPoiItem> curPois;
  /// The POIs can be clustered together, so the icon is not necessarily displayed where the POI is.
  ///  Thus the location where to draw the highlight is separately given
  QList<QPointF> posPoiHighlight;
};

#endif  // CMOUSENORMAL_H
