#pragma once

#ifndef XSHEETVIEWER_H
#define XSHEETVIEWER_H

#include <QFrame>
#include <QScrollArea>
#include <QKeyEvent>
#include "xshcellviewer.h"
#include "xshcolumnviewer.h"
#include "xshrowviewer.h"
#include "xshnoteviewer.h"
#include "cellkeyframeselection.h"
#include "toonzqt/spreadsheetviewer.h"

#ifdef _WIN32
#define XSHEET_FONT_SIZE 9
#define H_ADJUST 2
#else
#define XSHEET_FONT_SIZE 11
#define H_ADJUST 0
#endif

// forward declaration
class TXsheet;
class TCellSelection;
class TKeyframeSelection;
class TColumnSelection;
class TSelection;
class TXshCell;
class TStageObjectId;

namespace XsheetGUI {

//=============================================================================
// Constant definition
//-----------------------------------------------------------------------------

extern const int ColumnWidth;
extern const int RowHeight;

const int NoteWidth  = 70;
const int NoteHeight = 18;

// TZP column
const QColor LevelColumnColor(127, 219, 127);
const QColor LevelColumnBorderColor(47, 82, 47);
const QColor SelectedLevelColumnColor(191, 237, 191);

// PLI column
const QColor VectorColumnColor(212, 212, 133);
const QColor VectorColumnBorderColor(79, 79, 49);
const QColor SelectedVectorColumnColor(234, 234, 194);

// SubXsheet column
const QColor ChildColumnColor(214, 154, 219);
const QColor ChildColumnBorderColor(80, 57, 82);
const QColor SelectedChildColumnColor(235, 205, 237);

// Raster image column
const QColor FullcolorColumnColor(154, 214, 219);
const QColor FullcolorColumnBorderColor(57, 80, 82);
const QColor SelectedFullcolorColumnColor(205, 235, 237);

// Palette column
const QColor PaletteColumnColor(42, 171, 154);
const QColor PaletteColumnBorderColor(15, 62, 56);
const QColor SelectedPaletteColumnColor(146, 221, 202);

// Fx column
const QColor FxColumnColor(130, 129, 93);
const QColor FxColumnBorderColor(48, 48, 35);
const QColor SelectedFxColumnColor(193, 192, 174);

// Reference column
const QColor ReferenceColumnColor(171, 171, 171);
const QColor ReferenceColumnBorderColor(62, 62, 62);
const QColor SelectedReferenceColumnColor(213, 213, 213);

// Sound column
const QColor SoundColumnColor(175, 185, 115);
const QColor SoundColumnBorderColor(110, 130, 90);
const QColor SelectedSoundColumnColor(215, 215, 180);

const QColor SoundColumnHlColor(245, 255, 230);
const QColor SoundColumnTrackColor(90, 100, 45);

const QColor SoundColumnExtenderColor(235, 255, 115);

const QColor EmptySoundColumnColor(240, 255, 240);

const QColor ColorSelection(190, 210, 240, 170);

const QColor SoundTextColumnColor(200, 200, 200);
const QColor SoundTextColumnBorderColor(140, 140, 140);

const QColor MeshColumnColor(200, 130, 255);
const QColor MeshColumnBorderColor(105, 70, 135);
const QColor SelectedMeshColumnColor(216, 180, 245);

// Empty column
const QColor EmptyColumnColor(124, 124, 124);
// Occupied column
const QColor NotEmptyColumnColor(164, 164, 164);

const QColor SelectedEmptyCellColor(210, 210, 210);
const QColor SmartTabColor(255, 255, 255, 150);

const QColor XsheetBGColor(212, 208, 200);
// Xsheet horizontal lines
const QColor NormalHLineColor(146, 144, 146);
const QColor IntervalHLineColor(0, 255, 246);

// column header
const QColor EmptyColumnHeadColor(200, 200, 200);
const QColor MaskColumnHeadColor(233, 118, 116);
const QColor PreviewVisibleColor(200, 200, 100);
const QColor CamStandVisibleColor(235, 144, 107);

// RowArea
const QColor RowAreaBGColor(164, 164, 164);
const QColor CurrentFrameBGColor(210, 210, 210);

}  // namespace XsheetGUI;

//=============================================================================
// XsheetScrollArea
//-----------------------------------------------------------------------------

class XsheetScrollArea final : public QScrollArea {
  Q_OBJECT

public:
#if QT_VERSION >= 0x050500
  XsheetScrollArea(QWidget *parent = 0, Qt::WindowFlags flags = 0)
#else
  XsheetScrollArea(QWidget *parent = 0, Qt::WFlags flags = 0)
#endif
      : QScrollArea(parent) {
    setObjectName("xsheetScrollArea");
    setFrameStyle(QFrame::StyledPanel);
  }
  ~XsheetScrollArea() {}

protected:
  void keyPressEvent(QKeyEvent *event) override { event->ignore(); }
  void wheelEvent(QWheelEvent *event) override { event->ignore(); }
};

//=============================================================================
// XsheetViewer
//-----------------------------------------------------------------------------

//! Note: some refactoring is needed. XsheetViewer is going to derive from
//! SpreadsheetViewer.

class XsheetViewer final : public QFrame, public Spreadsheet::FrameScroller {
  Q_OBJECT

  QColor m_lightLightBgColor;
  QColor m_lightBgColor;
  QColor m_bgColor;  // row area backgroound
  QColor m_darkBgColor;
  QColor m_lightLineColor;  // horizontal lines (146,144,146)
  QColor m_darkLineColor;

  Q_PROPERTY(QColor LightLightBGColor READ getLightLightBGColor WRITE
                 setLightLightBGColor)
  Q_PROPERTY(QColor LightBGColor READ getLightBGColor WRITE setLightBGColor)
  Q_PROPERTY(QColor BGColor READ getBGColor WRITE setBGColor)
  Q_PROPERTY(QColor DarkBGColor READ getDarkBGColor WRITE setDarkBGColor)
  Q_PROPERTY(
      QColor LightLineColor READ getLightLineColor WRITE setLightLineColor)
  Q_PROPERTY(QColor DarkLineColor READ getDarkLineColor WRITE setDarkLineColor)

  // Row
  QColor m_currentRowBgColor;      // current frame / column (210,210,210)
  QColor m_markerLineColor;        // marker lines (0, 255, 246)
  QColor m_textColor;              // text color (black)
  QColor m_previewFrameTextColor;  // frame number in preview range (blue)
  Q_PROPERTY(QColor CurrentRowBgColor READ getCurrentRowBgColor WRITE
                 setCurrentRowBgColor)
  Q_PROPERTY(
      QColor MarkerLineColor READ getMarkerLineColor WRITE setMarkerLineColor)
  Q_PROPERTY(QColor TextColor READ getTextColor WRITE setTextColor)
  Q_PROPERTY(QColor PreviewFrameTextColor READ getPreviewFrameTextColor WRITE
                 setPreviewFrameTextColor)
  // Column
  QColor m_emptyColumnHeadColor;     // empty column header (200,200,200)
  QColor m_selectedColumnTextColor;  // selected column text (red)
  Q_PROPERTY(QColor EmptyColumnHeadColor READ getEmptyColumnHeadColor WRITE
                 setEmptyColumnHeadColor)
  Q_PROPERTY(QColor SelectedColumnTextColor READ getSelectedColumnTextColor
                 WRITE setSelectedColumnTextColor)
  // Cell
  QColor m_emptyCellColor;          // empty cell (124,124,124)
  QColor m_notEmptyColumnColor;     // occupied column (164,164,164)
  QColor m_selectedEmptyCellColor;  // selected empty cell (210,210,210)
  Q_PROPERTY(
      QColor EmptyCellColor READ getEmptyCellColor WRITE setEmptyCellColor)
  Q_PROPERTY(QColor NotEmptyColumnColor READ getNotEmptyColumnColor WRITE
                 setNotEmptyColumnColor)
  Q_PROPERTY(QColor SelectedEmptyCellColor READ getSelectedEmptyCellColor WRITE
                 setSelectedEmptyCellColor)

  // TZP column
  QColor m_levelColumnColor;          //(127,219,127)
  QColor m_levelColumnBorderColor;    //(47,82,47)
  QColor m_selectedLevelColumnColor;  //(191,237,191)
  Q_PROPERTY(QColor LevelColumnColor READ getLevelColumnColor WRITE
                 setLevelColumnColor)
  Q_PROPERTY(QColor LevelColumnBorderColor READ getLevelColumnBorderColor WRITE
                 setLevelColumnBorderColor)
  Q_PROPERTY(QColor SelectedLevelColumnColor READ getSelectedLevelColumnColor
                 WRITE setSelectedLevelColumnColor)
  // PLI column
  QColor m_vectorColumnColor;          //(212,212,133)
  QColor m_vectorColumnBorderColor;    //(79,79,49)
  QColor m_selectedVectorColumnColor;  //(234,234,194)
  Q_PROPERTY(QColor VectorColumnColor READ getVectorColumnColor WRITE
                 setVectorColumnColor)
  Q_PROPERTY(QColor VectorColumnBorderColor READ getVectorColumnBorderColor
                 WRITE setVectorColumnBorderColor)
  Q_PROPERTY(QColor SelectedVectorColumnColor READ getSelectedVectorColumnColor
                 WRITE setSelectedVectorColumnColor)
  // subXsheet column
  QColor m_childColumnColor;          //(214,154,219)
  QColor m_childColumnBorderColor;    //(80,57,82)
  QColor m_selectedChildColumnColor;  //(235,205,237)
  Q_PROPERTY(QColor ChildColumnColor READ getChildColumnColor WRITE
                 setChildColumnColor)
  Q_PROPERTY(QColor ChildColumnBorderColor READ getChildColumnBorderColor WRITE
                 setChildColumnBorderColor)
  Q_PROPERTY(QColor SelectedChildColumnColor READ getSelectedChildColumnColor
                 WRITE setSelectedChildColumnColor)
  // Raster image column
  QColor m_fullcolorColumnColor;          //(154,214,219)
  QColor m_fullcolorColumnBorderColor;    //(57,80,82)
  QColor m_selectedFullcolorColumnColor;  //(205,235,237)
  Q_PROPERTY(QColor FullcolorColumnColor READ getFullcolorColumnColor WRITE
                 setFullcolorColumnColor)
  Q_PROPERTY(
      QColor FullcolorColumnBorderColor READ getFullcolorColumnBorderColor WRITE
          setFullcolorColumnBorderColor)
  Q_PROPERTY(
      QColor SelectedFullcolorColumnColor READ getSelectedFullcolorColumnColor
          WRITE setSelectedFullcolorColumnColor)
  // Fx column
  QColor m_fxColumnColor;          //(130,129,93)
  QColor m_fxColumnBorderColor;    //(48,48,35)
  QColor m_selectedFxColumnColor;  //(193,192,174)
  Q_PROPERTY(QColor FxColumnColor READ getFxColumnColor WRITE setFxColumnColor)
  Q_PROPERTY(QColor FxColumnBorderColor READ getFxColumnBorderColor WRITE
                 setFxColumnBorderColor)
  Q_PROPERTY(QColor SelectedFxColumnColor READ getSelectedFxColumnColor WRITE
                 setSelectedFxColumnColor)
  // Reference column
  QColor m_referenceColumnColor;          //(171,171,171)
  QColor m_referenceColumnBorderColor;    //(62,62,62)
  QColor m_selectedReferenceColumnColor;  //(213,213,213)
  Q_PROPERTY(QColor ReferenceColumnColor READ getReferenceColumnColor WRITE
                 setReferenceColumnColor)
  Q_PROPERTY(
      QColor ReferenceColumnBorderColor READ getReferenceColumnBorderColor WRITE
          setReferenceColumnBorderColor)
  Q_PROPERTY(
      QColor SelectedReferenceColumnColor READ getSelectedReferenceColumnColor
          WRITE setSelectedReferenceColumnColor)
  // Palette column
  QColor m_paletteColumnColor;          //(42,171,154)
  QColor m_paletteColumnBorderColor;    //(15,62,56)
  QColor m_selectedPaletteColumnColor;  //(146,221,202)
  Q_PROPERTY(QColor PaletteColumnColor READ getPaletteColumnColor WRITE
                 setPaletteColumnColor)
  Q_PROPERTY(QColor PaletteColumnBorderColor READ getPaletteColumnBorderColor
                 WRITE setPaletteColumnBorderColor)
  Q_PROPERTY(
      QColor SelectedPaletteColumnColor READ getSelectedPaletteColumnColor WRITE
          setSelectedPaletteColumnColor)
  // Mesh column
  QColor m_meshColumnColor;
  QColor m_meshColumnBorderColor;
  QColor m_selectedMeshColumnColor;
  Q_PROPERTY(
      QColor MeshColumnColor READ getMeshColumnColor WRITE setMeshColumnColor)
  Q_PROPERTY(QColor MeshColumnBorderColor READ getMeshColumnBorderColor WRITE
                 setMeshColumnBorderColor)
  Q_PROPERTY(QColor SelectedMeshColumnColor READ getSelectedMeshColumnColor
                 WRITE setSelectedMeshColumnColor)

  // for making the column head lighter (255,255,255,50);
  QColor m_columnHeadPastelizer;
  Q_PROPERTY(QColor ColumnHeadPastelizer READ getColumnHeadPastelizer WRITE
                 setColumnHeadPastelizer)
  // selected column head (190,210,240,170);
  QColor m_selectedColumnHead;
  Q_PROPERTY(QColor SelectedColumnHead READ getSelectedColumnHead WRITE
                 setSelectedColumnHead)

  XsheetScrollArea *m_cellScrollArea;
  XsheetScrollArea *m_columnScrollArea;
  XsheetScrollArea *m_rowScrollArea;
  XsheetScrollArea *m_noteScrollArea;

  XsheetGUI::ColumnArea *m_columnArea;
  XsheetGUI::RowArea *m_rowArea;
  XsheetGUI::CellArea *m_cellArea;
  XsheetGUI::NoteArea *m_noteArea;

  int m_x0, m_y0;
  int m_timerId;
  QPoint m_autoPanSpeed;
  QPoint m_lastAutoPanPos;

  TColumnSelection *m_columnSelection;
  TCellKeyframeSelection *m_cellKeyframeSelection;

  int m_scrubCol, m_scrubRow0, m_scrubRow1;

  bool m_isCurrentFrameSwitched;
  bool m_isCurrentColumnSwitched;

  XsheetGUI::DragTool *m_dragTool;

  bool m_isComputingSize;

  QList<XsheetGUI::NoteWidget *> m_noteWidgets;
  int m_currentNoteIndex;

  Qt::KeyboardModifiers m_qtModifiers;

public:
  enum FrameDisplayStyle { Frame = 0, SecAndFrame, SixSecSheet, ThreeSecSheet };

private:
  FrameDisplayStyle m_frameDisplayStyle;

  FrameDisplayStyle to_enum(int n) {
    switch (n) {
    case 0:
      return Frame;
    case 1:
      return SecAndFrame;
    case 2:
      return SixSecSheet;
    default:
      return ThreeSecSheet;
    }
  }

public:
#if QT_VERSION >= 0x050500
  XsheetViewer(QWidget *parent = 0, Qt::WindowFlags flags = 0);
#else
  XsheetViewer(QWidget *parent = 0, Qt::WFlags flags = 0);
#endif
  ~XsheetViewer();

  TColumnSelection *getColumnSelection() const { return m_columnSelection; }
  TCellSelection *getCellSelection() const {
    return m_cellKeyframeSelection->getCellSelection();
  }
  TKeyframeSelection *getKeyframeSelection() const {
    return m_cellKeyframeSelection->getKeyframeSelection();
  }
  TCellKeyframeSelection *getCellKeyframeSelection() const {
    return m_cellKeyframeSelection;
  }

  bool areCellsSelectedEmpty();
  /*! Return true if selection contain only sound cell.*/
  bool areSoundCellsSelected();
  bool areSoundTextCellsSelected();

  XsheetGUI::DragTool *getDragTool() const { return m_dragTool; };
  void setDragTool(XsheetGUI::DragTool *dragTool);

  void dragToolClick(QMouseEvent *);
  void dragToolDrag(QMouseEvent *);
  void dragToolRelease(QMouseEvent *);  // n.b. cancella il dragtool

  void dragToolLeave(QEvent *);  // n.b. cancella il dragtool

  void dragToolClick(QDropEvent *);
  void dragToolDrag(QDropEvent *);
  void dragToolRelease(QDropEvent *);  // n.b. cancella il dragtool

  void setQtModifiers(Qt::KeyboardModifiers value) { m_qtModifiers = value; }

  void setScrubHighlight(int row, int starRow, int col);
  void resetScrubHighlight();
  void getScrubHeighlight(int &R0, int &R1);
  bool isScrubHighlighted(int row, int col);

  TXsheet *getXsheet() const;
  int getCurrentColumn() const;
  int getCurrentRow() const;
  //! Restituisce la \b objectId corrispondente alla colonna \b col
  TStageObjectId getObjectId(int col) const;

  void setCurrentColumn(int col);
  void setCurrentRow(int row);

  void scroll(QPoint delta);
  void onPrepareToScroll(int dy) override;

  void setAutoPanSpeed(const QPoint &speed);
  void setAutoPanSpeed(const QRect &widgetBounds, const QPoint &mousePos);
  void stopAutoPan() { setAutoPanSpeed(QPoint()); }
  bool isAutoPanning() const {
    return m_autoPanSpeed.x() != 0 || m_autoPanSpeed.y() != 0;
  }

  int xToColumn(int x) const;
  int yToRow(int y) const;
  int columnToX(int col) const;
  int rowToY(int row) const;

  void updateCells() { m_cellArea->update(m_cellArea->visibleRegion()); }
  void updateRows() { m_rowArea->update(m_rowArea->visibleRegion()); }
  void updateColumns() { m_columnArea->update(m_columnArea->visibleRegion()); }

  bool refreshContentSize(int scrollDx, int scrollDy);

  void updateAreeSize();

  // provvisorio
  QScrollArea *getFrameScrollArea() const override { return m_cellScrollArea; }

  QList<XsheetGUI::NoteWidget *> getNotesWidget() const;
  void addNoteWidget(XsheetGUI::NoteWidget *w);
  int getCurrentNoteIndex() const;
  //! Clear notes widgets std::vector.
  void clearNoteWidgets();
  //! Update notes widgets and update cell.
  void updateNoteWidgets();
  //! Discard Note Widget
  void discardNoteWidget();

  void setCurrentNoteIndex(int currentNoteIndex);

  // scroll the cell area to make a cell at (row,col) visible
  void scrollTo(int row, int col);

  // QProperty
  void setLightLightBGColor(const QColor &color) {
    m_lightLightBgColor = color;
  }
  QColor getLightLightBGColor() const { return m_lightLightBgColor; }
  void setLightBGColor(const QColor &color) { m_lightBgColor = color; }
  QColor getLightBGColor() const { return m_lightBgColor; }
  void setBGColor(const QColor &color) { m_bgColor = color; }
  QColor getBGColor() const { return m_bgColor; }
  void setDarkBGColor(const QColor &color) { m_darkBgColor = color; }
  QColor getDarkBGColor() const { return m_darkBgColor; }
  void setLightLineColor(const QColor &color) { m_lightLineColor = color; }
  QColor getLightLineColor() const { return m_lightLineColor; }
  void setDarkLineColor(const QColor &color) { m_darkLineColor = color; }
  QColor getDarkLineColor() const { return m_darkLineColor; }

  // Row
  void setCurrentRowBgColor(const QColor &color) {
    m_currentRowBgColor = color;
  }
  QColor getCurrentRowBgColor() const { return m_currentRowBgColor; }
  void setMarkerLineColor(const QColor &color) { m_markerLineColor = color; }
  QColor getMarkerLineColor() const { return m_markerLineColor; }
  void setTextColor(const QColor &color) { m_textColor = color; }
  QColor getTextColor() const { return m_textColor; }
  void setPreviewFrameTextColor(const QColor &color) {
    m_previewFrameTextColor = color;
  }
  QColor getPreviewFrameTextColor() const { return m_previewFrameTextColor; }
  // Column
  void setEmptyColumnHeadColor(const QColor &color) {
    m_emptyColumnHeadColor = color;
  }
  QColor getEmptyColumnHeadColor() const { return m_emptyColumnHeadColor; }
  void setSelectedColumnTextColor(const QColor &color) {
    m_selectedColumnTextColor = color;
  }
  QColor getSelectedColumnTextColor() const {
    return m_selectedColumnTextColor;
  }
  // Cell
  void setEmptyCellColor(const QColor &color) { m_emptyCellColor = color; }
  QColor getEmptyCellColor() const { return m_emptyCellColor; }
  void setNotEmptyColumnColor(const QColor &color) {
    m_notEmptyColumnColor = color;
  }
  QColor getNotEmptyColumnColor() const { return m_notEmptyColumnColor; }
  void setSelectedEmptyCellColor(const QColor &color) {
    m_selectedEmptyCellColor = color;
  }
  QColor getSelectedEmptyCellColor() const { return m_selectedEmptyCellColor; }

  // TZP column
  void setLevelColumnColor(const QColor &color) { m_levelColumnColor = color; }
  void setLevelColumnBorderColor(const QColor &color) {
    m_levelColumnBorderColor = color;
  }
  void setSelectedLevelColumnColor(const QColor &color) {
    m_selectedLevelColumnColor = color;
  }
  QColor getLevelColumnColor() const { return m_levelColumnColor; }
  QColor getLevelColumnBorderColor() const { return m_levelColumnBorderColor; }
  QColor getSelectedLevelColumnColor() const {
    return m_selectedLevelColumnColor;
  }
  // PLI column
  void setVectorColumnColor(const QColor &color) {
    m_vectorColumnColor = color;
  }
  void setVectorColumnBorderColor(const QColor &color) {
    m_vectorColumnBorderColor = color;
  }
  void setSelectedVectorColumnColor(const QColor &color) {
    m_selectedVectorColumnColor = color;
  }
  QColor getVectorColumnColor() const { return m_vectorColumnColor; }
  QColor getVectorColumnBorderColor() const {
    return m_vectorColumnBorderColor;
  }
  QColor getSelectedVectorColumnColor() const {
    return m_selectedVectorColumnColor;
  }
  // subXsheet column
  void setChildColumnColor(const QColor &color) { m_childColumnColor = color; }
  void setChildColumnBorderColor(const QColor &color) {
    m_childColumnBorderColor = color;
  }
  void setSelectedChildColumnColor(const QColor &color) {
    m_selectedChildColumnColor = color;
  }
  QColor getChildColumnColor() const { return m_childColumnColor; }
  QColor getChildColumnBorderColor() const { return m_childColumnBorderColor; }
  QColor getSelectedChildColumnColor() const {
    return m_selectedChildColumnColor;
  }
  // Raster image column
  void setFullcolorColumnColor(const QColor &color) {
    m_fullcolorColumnColor = color;
  }
  void setFullcolorColumnBorderColor(const QColor &color) {
    m_fullcolorColumnBorderColor = color;
  }
  void setSelectedFullcolorColumnColor(const QColor &color) {
    m_selectedFullcolorColumnColor = color;
  }
  QColor getFullcolorColumnColor() const { return m_fullcolorColumnColor; }
  QColor getFullcolorColumnBorderColor() const {
    return m_fullcolorColumnBorderColor;
  }
  QColor getSelectedFullcolorColumnColor() const {
    return m_selectedFullcolorColumnColor;
  }
  // Fx column
  void setFxColumnColor(const QColor &color) { m_fxColumnColor = color; }
  void setFxColumnBorderColor(const QColor &color) {
    m_fxColumnBorderColor = color;
  }
  void setSelectedFxColumnColor(const QColor &color) {
    m_selectedFxColumnColor = color;
  }
  QColor getFxColumnColor() const { return m_fxColumnColor; }
  QColor getFxColumnBorderColor() const { return m_fxColumnBorderColor; }
  QColor getSelectedFxColumnColor() const { return m_selectedFxColumnColor; }
  // Reference column
  void setReferenceColumnColor(const QColor &color) {
    m_referenceColumnColor = color;
  }
  void setReferenceColumnBorderColor(const QColor &color) {
    m_referenceColumnBorderColor = color;
  }
  void setSelectedReferenceColumnColor(const QColor &color) {
    m_selectedReferenceColumnColor = color;
  }
  QColor getReferenceColumnColor() const { return m_referenceColumnColor; }
  QColor getReferenceColumnBorderColor() const {
    return m_referenceColumnBorderColor;
  }
  QColor getSelectedReferenceColumnColor() const {
    return m_selectedReferenceColumnColor;
  }
  // Palette column
  void setPaletteColumnColor(const QColor &color) {
    m_paletteColumnColor = color;
  }
  void setPaletteColumnBorderColor(const QColor &color) {
    m_paletteColumnBorderColor = color;
  }
  void setSelectedPaletteColumnColor(const QColor &color) {
    m_selectedPaletteColumnColor = color;
  }
  QColor getPaletteColumnColor() const { return m_paletteColumnColor; }
  QColor getPaletteColumnBorderColor() const {
    return m_paletteColumnBorderColor;
  }
  QColor getSelectedPaletteColumnColor() const {
    return m_selectedPaletteColumnColor;
  }
  // Mesh column
  void setMeshColumnColor(const QColor &color) { m_meshColumnColor = color; }
  void setMeshColumnBorderColor(const QColor &color) {
    m_meshColumnBorderColor = color;
  }
  void setSelectedMeshColumnColor(const QColor &color) {
    m_selectedMeshColumnColor = color;
  }
  QColor getMeshColumnColor() const { return m_meshColumnColor; }
  QColor getMeshColumnBorderColor() const { return m_meshColumnBorderColor; }
  QColor getSelectedMeshColumnColor() const {
    return m_selectedMeshColumnColor;
  }

  void setColumnHeadPastelizer(const QColor &color) {
    m_columnHeadPastelizer = color;
  }
  QColor getColumnHeadPastelizer() const { return m_columnHeadPastelizer; }
  void setSelectedColumnHead(const QColor &color) {
    m_selectedColumnHead = color;
  }
  QColor getSelectedColumnHead() const { return m_selectedColumnHead; }

  void getCellTypeAndColors(int &ltype, QColor &cellColor, QColor &sideColor,
                            const TXshCell &cell, bool isSelected = false);
  void getColumnColor(QColor &color, QColor &sidecolor, int index,
                      TXsheet *xsh);

  // convert the last one digit of the frame number to alphabet
  // Ex.  12 -> 1B    21 -> 2A   30 -> 3
  QString getFrameNumberWithLetters(int frame);

  void setFrameDisplayStyle(FrameDisplayStyle style);
  FrameDisplayStyle getFrameDisplayStyle() { return m_frameDisplayStyle; }

protected:
  void scrollToColumn(int col);
  void scrollToHorizontalRange(int x0, int x1);
  void scrollToRow(int row);
  void scrollToVerticalRange(int y0, int y1);

  void showEvent(QShowEvent *) override;
  void hideEvent(QHideEvent *) override;
  void resizeEvent(QResizeEvent *event) override;
  void keyPressEvent(QKeyEvent *event) override;
  // display the upper-directional smart tab only when the ctrl key is pressed
  void keyReleaseEvent(QKeyEvent *event) override;
  void enterEvent(QEvent *) override;
  void wheelEvent(QWheelEvent *event) override;
  void timerEvent(QTimerEvent *) override;

public slots:
  void onSceneSwitched();
  void onXsheetChanged();
  void onCurrentFrameSwitched();
  void onPlayingStatusChanged();
  void onCurrentColumnSwitched();
  void onSelectionSwitched(TSelection *oldSelection, TSelection *newSelection);

  void onSelectionChanged(TSelection *selection);

  void updateAllAree(bool isDragging = false);
  void updateColumnArea();
  void updateCellColumnAree();
  void updateCellRowAree();

  void onScrubStopped();

  //! Aggiorna il "titolo" del widget.
  void changeWindowTitle();

  void resetXsheetNotes();
};

#endif  // XSHEETVIEWER_H