#pragma once

#ifndef XSHROWVIEWER_H

#define XSHROWVIEWER_H

#include <qwidget></qwidget>

// forward declaration

class XsheetViewer;

class QMenu;

namespace XsheetGUI {

class DragTool;

//=============================================================================

// RowArea

//-----------------------------------------------------------------------------

//! La classe si occupa della visualizzazione dell'area che gestisce le righe.

class RowArea final : public QWidget {

  Q_OBJECT

  XsheetViewer *m_viewer;

  int m_row;

  enum ShowOnionToSetFlag {

    None = 0,

    Fos,

    Mos,

    ShiftTraceGhost

  } m_showOnionToSet;

  enum Direction { up = 0, down };

  // Play ranges

  int m_r0;

  int m_r1;

  QPoint m_pos;

  bool m_playRangeActiveInMousePress;

  int m_mousePressRow;

  QString m_tooltip;

  // panning by middle-drag

  bool m_isPanning;

  void drawRows(QPainter &p, int r0, int r1);

  void drawPlayRangeBackground(QPainter &p, int r0, int r1);

  void drawPlayRange(QPainter &p, int r0, int r1);

  void drawCurrentRowGadget(QPainter &p, int r0, int r1);

  void drawOnionSkinBackground(QPainter &p, int r0, int r1);

  void drawOnionSkinSelection(QPainter &p);

  void drawPinnedCenterKeys(QPainter &p, int r0, int r1);

  void drawCurrentTimeIndicator(QPainter &p);

  void drawCurrentTimeLine(QPainter &p);

  void drawShiftTraceMarker(QPainter &p);

#if defined(x64)

  void drawStopMotionCameraIndicator(QPainter &p);

#endif

  DragTool *getDragTool() const;

  void setDragTool(DragTool *dragTool);

  // Return when the item-menu setAutoMarkers can be enabled.

  bool canSetAutoMarkers();

  // Return the number of the last non-empty cell found. You can set the

  // direction of the search.

  int getNonEmptyCell(int row, int column, Direction);

public:

#if QT_VERSION >= 0x050500

  RowArea(XsheetViewer *parent, Qt::WindowFlags flags = 0);

#else

  RowArea(XsheetViewer *parent, Qt::WFlags flags = 0);

#endif

  ~RowArea();

protected:

  void paintEvent(QPaintEvent *) override;

  void mousePressEvent(QMouseEvent *event) override;

  void mouseMoveEvent(QMouseEvent *event) override;

  void mouseReleaseEvent(QMouseEvent *event) override;

  void contextMenuEvent(QContextMenuEvent *event) override;

  void mouseDoubleClickEvent(QMouseEvent *event) override;

  bool event(QEvent *event) override;

  void setMarker(int index);

protected slots:

  void onSetStartMarker();

  void onSetStopMarker();

  void onRemoveMarkers();

  // Set start and end marker automatically respect the current row and column.

  void onSetAutoMarkers();

  // set both the from and to markers at the specified row

  void onPreviewThis();

};

}  // namespace XsheetGUI

#endif  // XSHROWVIEWER_H