#include "orientation.h"

#include "toonz/columnfan.h"

#include "toonz/preferences.h"

#include <qpainterpath></qpainterpath>

#include <qboxlayout></qboxlayout>

#include <math.h></math.h>

#include <stdexcept></stdexcept>

namespace {

const int KEY_ICON_WIDTH      = 11;

const int KEY_ICON_HEIGHT     = 13;

const int EASE_TRIANGLE_SIZE  = 4;

const int PLAY_MARKER_SIZE    = 10;

const int ONION_SIZE          = 19;

const int ONION_DOT_SIZE      = 8;

const int PINNED_SIZE         = 10;

const int FRAME_MARKER_SIZE   = 4;

const int FOLDED_CELL_SIZE    = 9;

const int SHIFTTRACE_DOT_SIZE = 12;

QRect iconRect(const QRect &areaRect, const int iconWidth, const int iconHeight,

               const int xOffset = 0) {

  return QRect(

      areaRect.left() + xOffset + ((areaRect.width() / 2) - (iconWidth / 2)),

      areaRect.top() + ((areaRect.height() / 2) - (iconHeight / 2)), iconWidth,

      iconHeight);

}

}  // namespace

class TopToBottomOrientation : public Orientation {

  const int CELL_WIDTH                 = 74;

  const int CELL_HEIGHT                = 20;

  const int CELL_DRAG_WIDTH            = 7;

  const int EXTENDER_WIDTH             = 20;

  const int EXTENDER_HEIGHT            = 8;

  const int SOUND_PREVIEW_WIDTH        = 7;

  const int LAYER_HEADER_HEIGHT        = 119;

  const int FOLDED_LAYER_HEADER_HEIGHT = LAYER_HEADER_HEIGHT;

  const int FOLDED_LAYER_HEADER_WIDTH  = 8;

  const int FRAME_HEADER_WIDTH         = CELL_WIDTH;

  const int PLAY_RANGE_X = FRAME_HEADER_WIDTH / 2 - PLAY_MARKER_SIZE;

  const int ONION_X = 0, ONION_Y = 0;

  const int ICON_WIDTH               = 18;

  const int ICON_HEIGHT              = 18;

  const int TRACKLEN                 = 60;

  const int SHIFTTRACE_DOT_OFFSET    = 3;

  const int CAMERA_CELL_WIDTH        = 22;

  const int LAYER_FOOTER_PANEL_WIDTH = 16;

public:

  TopToBottomOrientation();

  virtual CellPosition xyToPosition(const QPoint &xy,

                                    const ColumnFan *fan) const override;

  virtual QPoint positionToXY(const CellPosition &position,

                              const ColumnFan *fan) const override;

  virtual CellPositionRatio xyToPositionRatio(const QPointF &xy) const override;

  virtual QPointF positionRatioToXY(

      const CellPositionRatio &ratio) const override;

  virtual int colToLayerAxis(int layer, const ColumnFan *fan) const override;

  virtual int rowToFrameAxis(int frame) const override;

  virtual QPoint frameLayerToXY(int frameAxis, int layerAxis) const override;

  virtual int layerAxis(const QPoint &xy) const override;

  virtual int frameAxis(const QPoint &xy) const override;

  virtual NumberRange layerSide(const QRect &area) const override;

  virtual NumberRange frameSide(const QRect &area) const override;

  virtual QPoint topRightCorner(const QRect &area) const override;

  virtual CellPosition arrowShift(int direction) const override;

  virtual QString name() const override { return "TopToBottom"; }

  virtual QString caption() const override { return QObject::tr("Xsheet"); }

  virtual const Orientation *next() const override {

    return Orientations::leftToRight();

  }

  virtual bool isVerticalTimeline() const override { return true; }

  virtual bool flipVolume() const override { return false; }

  virtual int cellWidth() const override { return CELL_WIDTH; }

  virtual int cellHeight() const override { return CELL_HEIGHT; }

  virtual int foldedCellSize() const override { return FOLDED_CELL_SIZE; }

};

class LeftToRightOrientation : public Orientation {

  const int CELL_WIDTH           = 50;

  const int CELL_HEIGHT          = 24;

  const int CELL_DRAG_HEIGHT     = 7;

  const int EXTENDER_WIDTH       = 8;

  const int EXTENDER_HEIGHT      = 12;

  const int SOUND_PREVIEW_HEIGHT = 6;

  const int FRAME_HEADER_HEIGHT  = 50;

  const int ONION_X = 0, ONION_Y = 0;

  const int PLAY_RANGE_Y       = ONION_SIZE;

  const int ICON_WIDTH         = 20;

  const int ICON_HEIGHT        = 20;

  const int ICON_OFFSET        = ICON_WIDTH;

  const int ICONS_WIDTH        = ICON_OFFSET * 4;  // 88

  const int THUMBNAIL_WIDTH    = 43;

  const int LAYER_NUMBER_WIDTH = 20;

  const int LAYER_NAME_WIDTH   = 150;

  const int LAYER_HEADER_WIDTH =

      ICONS_WIDTH + THUMBNAIL_WIDTH + LAYER_NUMBER_WIDTH + LAYER_NAME_WIDTH;

  const int FOLDED_LAYER_HEADER_HEIGHT = 8;

  const int FOLDED_LAYER_HEADER_WIDTH  = LAYER_HEADER_WIDTH;

  const int TRACKLEN                   = 60;

  const int SHIFTTRACE_DOT_OFFSET      = 5;

  const int LAYER_HEADER_PANEL_HEIGHT  = 20;

  const int LAYER_FOOTER_PANEL_HEIGHT  = 16;

  const int CAMERA_CELL_HEIGHT         = CELL_HEIGHT;

public:

  LeftToRightOrientation();

  virtual CellPosition xyToPosition(const QPoint &xy,

                                    const ColumnFan *fan) const override;

  virtual QPoint positionToXY(const CellPosition &position,

                              const ColumnFan *fan) const override;

  virtual CellPositionRatio xyToPositionRatio(const QPointF &xy) const override;

  virtual QPointF positionRatioToXY(

      const CellPositionRatio &ratio) const override;

  virtual int colToLayerAxis(int layer, const ColumnFan *fan) const override;

  virtual int rowToFrameAxis(int frame) const override;

  virtual QPoint frameLayerToXY(int frameAxis, int layerAxis) const override;

  virtual int layerAxis(const QPoint &xy) const override;

  virtual int frameAxis(const QPoint &xy) const override;

  virtual NumberRange layerSide(const QRect &area) const override;

  virtual NumberRange frameSide(const QRect &area) const override;

  virtual QPoint topRightCorner(const QRect &area) const override;

  virtual CellPosition arrowShift(int direction) const override;

  virtual QString name() const override { return "LeftToRight"; }

  virtual QString caption() const override { return QObject::tr("Timeline"); }

  virtual const Orientation *next() const override {

    return Orientations::topToBottom();

  }

  virtual bool isVerticalTimeline() const override { return false; }

  virtual bool flipVolume() const override { return false; }

  virtual int cellWidth() const override { return CELL_WIDTH; }

  virtual int cellHeight() const override { return CELL_HEIGHT; }

  virtual int foldedCellSize() const override { return FOLDED_CELL_SIZE; }

};

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

int NumberRange::weight(double toWeight) const {  // weight ranging 0..1

  return _from + (_to - _from) * toWeight;

}

NumberRange NumberRange::adjusted(int addFrom, int addTo) const {

  return NumberRange(_from + addFrom, _to + addTo);

}

double NumberRange::ratio(int at) const {

  double result = ((double)at - _from) / (_to - _from);

  if (result < 0) result = 0;

  if (result > 1) result = 1;

  return result;

}

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

// const int Orientations::COUNT = 2;

Orientations::Orientations() : _topToBottom(nullptr), _leftToRight(nullptr) {

  _topToBottom = new TopToBottomOrientation();

  _leftToRight = new LeftToRightOrientation();

  _all.push_back(_topToBottom);

  _all.push_back(_leftToRight);

}

Orientations::~Orientations() {

  delete _topToBottom;

  _topToBottom = nullptr;

  delete _leftToRight;

  _leftToRight = nullptr;

}

const Orientations &Orientations::instance() {

  static Orientations singleton;

  return singleton;

}

const Orientation *Orientations::topToBottom() {

  return instance()._topToBottom;

}

const Orientation *Orientations::leftToRight() {

  return instance()._leftToRight;

}

const std::vector<const *="" orientation=""> &Orientations::all() {</const>

  return instance()._all;

}

const Orientation *Orientations::byName(const QString &name) {

  std::vector<const *="" orientation=""> m_all = all();</const>

  for (auto it = m_all.begin(); it != m_all.end(); it++)

    if ((*it)->name() == name) return *it;

  throw std::runtime_error(

      (QString("no such orientation: ") + name).toStdString().c_str());

}

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

QLine Orientation::verticalLine(int layerAxis,

                                const NumberRange &frameAxis) const {

  QPoint first  = frameLayerToXY(frameAxis.from(), layerAxis);

  QPoint second = frameLayerToXY(frameAxis.to(), layerAxis);

  return QLine(first, second);

}

QLine Orientation::horizontalLine(int frameAxis,

                                  const NumberRange &layerAxis) const {

  QPoint first  = frameLayerToXY(frameAxis, layerAxis.from());

  QPoint second = frameLayerToXY(frameAxis, layerAxis.to());

  return QLine(first, second);

}

QRect Orientation::frameLayerRect(const NumberRange &frameAxis,

                                  const NumberRange &layerAxis) const {

  QPoint topLeft     = frameLayerToXY(frameAxis.from(), layerAxis.from());

  QPoint bottomRight = frameLayerToXY(frameAxis.to(), layerAxis.to());

  return QRect(topLeft, bottomRight);

}

QRect Orientation::foldedRectangle(int layerAxis, const NumberRange &frameAxis,

                                   int i) const {

  QPoint topLeft = frameLayerToXY(frameAxis.from(), layerAxis + 1 + i * 3);

  QPoint size    = frameLayerToXY(frameAxis.length(), 2);

  return QRect(topLeft, QSize(size.x(), size.y()));

}

QLine Orientation::foldedRectangleLine(int layerAxis,

                                       const NumberRange &frameAxis,

                                       int i) const {

  return verticalLine(layerAxis + i * 3, frameAxis);

}

void Orientation::addRect(PredefinedRect which, const QRect &rect) {

  _rects.erase(which);

  _rects.emplace(which, rect);

}

void Orientation::addLine(PredefinedLine which, const QLine &line) {

  _lines.erase(which);

  _lines.emplace(which, line);

}

void Orientation::addDimension(PredefinedDimension which, int dimension) {

  _dimensions.erase(which);

  _dimensions.emplace(which, dimension);

}

void Orientation::addPath(PredefinedPath which, const QPainterPath &path) {

  _paths.erase(which);

  _paths.emplace(which, path);

}

void Orientation::addPoint(PredefinedPoint which, const QPoint &point) {

  _points.erase(which);

  _points.emplace(which, point);

}

void Orientation::addRange(PredefinedRange which, const NumberRange &range) {

  _ranges.erase(which);

  _ranges.emplace(which, range);

}

void Orientation::addFlag(PredefinedFlag which, const bool &flag) {

  _flags.erase(which);

  _flags.emplace(which, flag);

}

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

TopToBottomOrientation::TopToBottomOrientation() {

  QString layout = Preferences::instance()->getLoadedXsheetLayout();

  int use_header_height = LAYER_HEADER_HEIGHT;

  if (layout == QString("Compact")) use_header_height -= 18;

  int user_folded_header_height = use_header_height;

  //

  // Area rectangles

  //

  // Cell viewer

  QRect cellRect(0, 0, CELL_WIDTH, CELL_HEIGHT);

  addRect(PredefinedRect::CELL, cellRect);

  addRect(PredefinedRect::CAMERA_CELL,

          QRect(0, 0, CAMERA_CELL_WIDTH, CELL_HEIGHT));

  addRect(PredefinedRect::DRAG_HANDLE_CORNER,

          QRect(0, 0, CELL_DRAG_WIDTH, CELL_HEIGHT));

  QRect keyRect(CELL_WIDTH - KEY_ICON_WIDTH,

                (CELL_HEIGHT - KEY_ICON_HEIGHT) / 2, KEY_ICON_WIDTH,

                KEY_ICON_HEIGHT);

  addRect(PredefinedRect::KEY_ICON, keyRect);

  QRect cameraKeyRect((CAMERA_CELL_WIDTH - KEY_ICON_WIDTH) / 2 + 1,

                      (CELL_HEIGHT - KEY_ICON_HEIGHT) / 2, KEY_ICON_WIDTH,

                      KEY_ICON_HEIGHT);

  addRect(PredefinedRect::CAMERA_KEY_ICON, cameraKeyRect);

  QRect nameRect = cellRect.adjusted(8, 0, -6, 0);

  addRect(PredefinedRect::CELL_NAME, nameRect);

  addRect(PredefinedRect::CELL_NAME_WITH_KEYFRAME,

          nameRect.adjusted(0, 0, -KEY_ICON_WIDTH, 0));

  addRect(PredefinedRect::END_EXTENDER,

          QRect(-EXTENDER_WIDTH - KEY_ICON_WIDTH, 0, EXTENDER_WIDTH,

                EXTENDER_HEIGHT));

  addRect(PredefinedRect::BEGIN_EXTENDER,

          QRect(-EXTENDER_WIDTH - KEY_ICON_WIDTH, -EXTENDER_HEIGHT,

                EXTENDER_WIDTH, EXTENDER_HEIGHT));

  addRect(PredefinedRect::KEYFRAME_AREA,

          QRect(CELL_WIDTH - KEY_ICON_WIDTH, 0, KEY_ICON_WIDTH, CELL_HEIGHT));

  addRect(PredefinedRect::DRAG_AREA, QRect(0, 0, CELL_DRAG_WIDTH, CELL_HEIGHT));

  QRect soundRect(CELL_DRAG_WIDTH, 0,

                  CELL_WIDTH - CELL_DRAG_WIDTH - SOUND_PREVIEW_WIDTH,

                  CELL_HEIGHT);

  addRect(PredefinedRect::SOUND_TRACK, soundRect);

  addRect(PredefinedRect::PREVIEW_TRACK,

          QRect(CELL_WIDTH - SOUND_PREVIEW_WIDTH + 1, 0, SOUND_PREVIEW_WIDTH,

                CELL_HEIGHT));

  addRect(PredefinedRect::BEGIN_SOUND_EDIT,

          QRect(CELL_DRAG_WIDTH, 0, CELL_WIDTH - CELL_DRAG_WIDTH, 2));

  addRect(

      PredefinedRect::END_SOUND_EDIT,

      QRect(CELL_DRAG_WIDTH, CELL_HEIGHT - 2, CELL_WIDTH - CELL_DRAG_WIDTH, 2));

  addRect(PredefinedRect::LOOP_ICON, QRect(keyRect.left(), 0, 10, 11));

  addRect(PredefinedRect::CAMERA_LOOP_ICON,

          QRect(cameraKeyRect.left(), 0, 10, 11));

  QRect frameMarker(CELL_WIDTH - FRAME_MARKER_SIZE - 4,

                    (CELL_HEIGHT - FRAME_MARKER_SIZE) / 2, FRAME_MARKER_SIZE,

                    FRAME_MARKER_SIZE);

  addRect(PredefinedRect::FRAME_MARKER_AREA, frameMarker);

  addRect(PredefinedRect::CAMERA_FRAME_MARKER_AREA,

          cameraKeyRect.translated(-1, 0));

  // Note viewer

  addRect(

      PredefinedRect::NOTE_AREA,

      QRect(QPoint(0, 0), QSize(FRAME_HEADER_WIDTH, use_header_height - 1)));

  addRect(PredefinedRect::NOTE_ICON,

          QRect(QPoint(0, 0), QSize(CELL_WIDTH - 2, CELL_HEIGHT - 2)));

  // Layer header panel

  addRect(PredefinedRect::LAYER_HEADER_PANEL, QRect(0, 0, -1, -1));   // hide

  addRect(PredefinedRect::PANEL_EYE, QRect(0, 0, -1, -1));            // hide

  addRect(PredefinedRect::PANEL_PREVIEW_LAYER, QRect(0, 0, -1, -1));  // hide

  addRect(PredefinedRect::PANEL_LOCK, QRect(0, 0, -1, -1));           // hide

  addRect(PredefinedRect::PANEL_LAYER_NAME, QRect(0, 0, -1, -1));     // hide

  // Row viewer

  addRect(PredefinedRect::FRAME_LABEL,

          QRect(0, 0, CELL_WIDTH - 4, CELL_HEIGHT));

  addRect(PredefinedRect::FRAME_HEADER,

          QRect(0, 0, FRAME_HEADER_WIDTH, CELL_HEIGHT));

  addRect(PredefinedRect::PLAY_RANGE,

          QRect(PLAY_RANGE_X, 0, PLAY_MARKER_SIZE, CELL_HEIGHT));

  addRect(PredefinedRect::ONION,

          QRect(ONION_X + (3 * ONION_DOT_SIZE - ONION_SIZE) / 2, ONION_Y,

                ONION_SIZE, ONION_SIZE)

              .adjusted(2, 1, 2, 1));

  int adjustOnion = (ONION_SIZE - ONION_DOT_SIZE) / 2;

  addRect(PredefinedRect::ONION_DOT,

          QRect(ONION_X + ONION_DOT_SIZE, ONION_Y + adjustOnion, ONION_DOT_SIZE,

                ONION_DOT_SIZE)

              .adjusted(1, 1, 1, 1));

  addRect(PredefinedRect::ONION_DOT_FIXED,

          QRect(ONION_X, ONION_Y + adjustOnion, ONION_DOT_SIZE, ONION_DOT_SIZE)

              .adjusted(1, 1, 1, 1));

  addRect(PredefinedRect::ONION_AREA,

          QRect(ONION_X, ONION_Y, PLAY_RANGE_X, CELL_HEIGHT));

  addRect(PredefinedRect::ONION_FIXED_DOT_AREA,

          QRect(ONION_X, ONION_Y, ONION_DOT_SIZE + 1, CELL_HEIGHT));

  addRect(PredefinedRect::ONION_DOT_AREA,

          QRect(ONION_X + ONION_DOT_SIZE + 1, ONION_Y, ONION_DOT_SIZE + 1,

                CELL_HEIGHT));

  addRect(PredefinedRect::PINNED_CENTER_KEY,

          QRect((FRAME_HEADER_WIDTH - PINNED_SIZE) / 2,

                (CELL_HEIGHT - PINNED_SIZE) / 2, PINNED_SIZE, PINNED_SIZE));

  addRect(

      PredefinedRect::PREVIEW_FRAME_AREA,

      QRect(PLAY_RANGE_X, 0, (FRAME_HEADER_WIDTH - PLAY_RANGE_X), CELL_HEIGHT));

  addRect(PredefinedRect::SHIFTTRACE_DOT,

          QRect(SHIFTTRACE_DOT_OFFSET, (CELL_HEIGHT - SHIFTTRACE_DOT_SIZE) / 2,

                SHIFTTRACE_DOT_SIZE, SHIFTTRACE_DOT_SIZE));

  addRect(PredefinedRect::SHIFTTRACE_DOT_AREA,

          QRect(SHIFTTRACE_DOT_OFFSET, 0, SHIFTTRACE_DOT_SIZE, CELL_HEIGHT));

  // Column viewer

  addRect(PredefinedRect::LAYER_HEADER,

          QRect(0, 1, CELL_WIDTH, use_header_height - 3));

  addRect(

      PredefinedRect::FOLDED_LAYER_HEADER,

      QRect(0, 1, FOLDED_LAYER_HEADER_WIDTH, user_folded_header_height - 3));

  addRect(PredefinedRect::CAMERA_LAYER_HEADER,

          QRect(0, 1, CAMERA_CELL_WIDTH, use_header_height - 3));

  static int THUMBNAIL_HEIGHT;

  static int HDRROW_HEIGHT;

  static int HDRROW_HEIGHT2;

  static int INDENT;

  static int HDRROW1;

  static int HDRROW2;

  static int HDRROW3;

  static int HDRROW4;

  static int HDRROW5;

  QRect layername, eyeArea, previewArea, lockArea, cameraLockArea, configArea,

      cameraConfigArea, thumbnailArea, thumbnail, cameraIconArea, pegbarname,

      volumeArea;

  QPoint soundTopLeft;

  if (layout == QString("Compact")) {

    THUMBNAIL_HEIGHT = 44;

    HDRROW_HEIGHT    = CELL_HEIGHT - 2;

    INDENT           = 0;

    HDRROW1          = 1;                        // Name, number

    HDRROW2          = HDRROW1 + HDRROW_HEIGHT;  // eye, preview, lock, config

    HDRROW3          = HDRROW2 + HDRROW_HEIGHT;  // thumbnail

    HDRROW4          = HDRROW3 + THUMBNAIL_HEIGHT;  // pegbar, parent handle

    addRect(PredefinedRect::DRAG_LAYER, QRect(0, 0, -1, -1));

    addRect(PredefinedRect::RENAME_COLUMN,

            QRect(0, HDRROW1, CELL_WIDTH, HDRROW_HEIGHT));

    layername =

        QRect(INDENT + 1, HDRROW1 + 1, CELL_WIDTH - 1, HDRROW_HEIGHT - 1);

    addRect(PredefinedRect::LAYER_NAME, layername);

    addRect(PredefinedRect::CAMERA_LAYER_NAME,

            QRect(INDENT + 1, HDRROW3, CAMERA_CELL_WIDTH - 1,

                  THUMBNAIL_HEIGHT + HDRROW_HEIGHT));

    addRect(PredefinedRect::LAYER_NUMBER,

            QRect(INDENT + layername.width() - 20, HDRROW1, 20, HDRROW_HEIGHT));

    eyeArea = QRect(INDENT, HDRROW2, ICON_WIDTH + 1, HDRROW_HEIGHT);  // Compact

    addRect(PredefinedRect::EYE_AREA, eyeArea);

    addRect(PredefinedRect::EYE,

            iconRect(eyeArea, ICON_WIDTH, ICON_HEIGHT - 1, 1));

    previewArea =

        QRect(INDENT + eyeArea.width(), HDRROW2, ICON_WIDTH + 1, HDRROW_HEIGHT);

    addRect(PredefinedRect::PREVIEW_LAYER_AREA, previewArea);

    addRect(PredefinedRect::PREVIEW_LAYER,

            iconRect(previewArea, ICON_WIDTH, ICON_HEIGHT - 1, 1));

    lockArea = QRect(INDENT + eyeArea.width() + previewArea.width(), HDRROW2,

                     ICON_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::LOCK_AREA, lockArea);

    addRect(PredefinedRect::LOCK,

            iconRect(lockArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    cameraLockArea = QRect(INDENT, HDRROW1, CAMERA_CELL_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::CAMERA_LOCK_AREA, cameraLockArea);

    addRect(PredefinedRect::CAMERA_LOCK,

            iconRect(cameraLockArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    configArea =

        QRect(INDENT + eyeArea.width() + previewArea.width() + lockArea.width(),

              HDRROW2, ICON_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::CONFIG_AREA, configArea);

    addRect(PredefinedRect::CONFIG,

            iconRect(configArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    cameraConfigArea = QRect(INDENT, HDRROW2, CAMERA_CELL_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::CAMERA_CONFIG_AREA, cameraConfigArea);

    addRect(PredefinedRect::CAMERA_CONFIG,

            iconRect(cameraConfigArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    thumbnailArea = QRect(INDENT, HDRROW3, CELL_WIDTH, THUMBNAIL_HEIGHT);

    addRect(PredefinedRect::THUMBNAIL_AREA, thumbnailArea);

    thumbnail = thumbnailArea.adjusted(1, 1, 0, 0);

    addRect(PredefinedRect::THUMBNAIL, thumbnail);

    addRect(PredefinedRect::CAMERA_ICON_AREA, QRect(0, 0, -1, -1));

    addRect(PredefinedRect::CAMERA_ICON, QRect(0, 0, -1, -1));

    addRect(PredefinedRect::FILTER_COLOR,

            QRect(thumbnail.right() - 14, thumbnail.top() + 3, 12, 12));

    addRect(PredefinedRect::SOUND_ICON,

            QRect(thumbnailArea.topLeft(), QSize(40, 30))

                .adjusted((thumbnailArea.width() / 2) - (40 / 2),

                          (thumbnailArea.height() / 2) - (30 / 2),

                          (thumbnailArea.width() / 2) - (40 / 2),

                          (thumbnailArea.height() / 2) - (30 / 2)));

    volumeArea =

        QRect(QPoint(thumbnailArea.left() + 3, thumbnailArea.bottom() - 16),

              QSize(TRACKLEN + 8, 14));

    addRect(PredefinedRect::VOLUME_AREA, volumeArea);

    pegbarname = QRect(INDENT, HDRROW4, CELL_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::PEGBAR_NAME, pegbarname);

    addRect(

        PredefinedRect::PARENT_HANDLE_NAME,

        QRect(INDENT + pegbarname.width() - 20, HDRROW4, 20, HDRROW_HEIGHT));

    addFlag(PredefinedFlag::DRAG_LAYER_BORDER, false);

    addFlag(PredefinedFlag::DRAG_LAYER_VISIBLE, false);

    addFlag(PredefinedFlag::LAYER_NAME_BORDER, false);

    addFlag(PredefinedFlag::LAYER_NAME_VISIBLE, true);

    addFlag(PredefinedFlag::LAYER_NUMBER_BORDER, false);

    addFlag(PredefinedFlag::LAYER_NUMBER_VISIBLE, true);

    addFlag(PredefinedFlag::EYE_AREA_BORDER, true);

    addFlag(PredefinedFlag::EYE_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::LOCK_AREA_BORDER, true);

    addFlag(PredefinedFlag::LOCK_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::PREVIEW_LAYER_AREA_BORDER, true);

    addFlag(PredefinedFlag::PREVIEW_LAYER_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::CONFIG_AREA_BORDER, true);

    addFlag(PredefinedFlag::CAMERA_CONFIG_AREA_BORDER, false);

    addFlag(PredefinedFlag::CONFIG_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::CAMERA_CONFIG_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::PEGBAR_NAME_BORDER, true);

    addFlag(PredefinedFlag::PEGBAR_NAME_VISIBLE, true);

    addFlag(PredefinedFlag::PARENT_HANDLE_NAME_BORDER, false);

    addFlag(PredefinedFlag::PARENT_HANDLE_NAME_VISIBILE, true);

    addFlag(PredefinedFlag::THUMBNAIL_AREA_BORDER, false);

    addFlag(PredefinedFlag::THUMBNAIL_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::CAMERA_ICON_VISIBLE, false);

    addFlag(PredefinedFlag::VOLUME_AREA_VERTICAL, false);

  } else if (layout == QString("Classic-revised")) {

    THUMBNAIL_HEIGHT = 44;

    HDRROW_HEIGHT    = CELL_HEIGHT - 2;

    INDENT           = 0;

    HDRROW1          = 1;                           // Name, number

    HDRROW2          = HDRROW1 + HDRROW_HEIGHT;     // eye, lock

    HDRROW3          = HDRROW2 + HDRROW_HEIGHT;     // preview, config

    HDRROW4          = HDRROW3 + HDRROW_HEIGHT;     // thumbnail

    HDRROW5          = HDRROW4 + THUMBNAIL_HEIGHT;  // pegbar, parent handle

    addRect(PredefinedRect::DRAG_LAYER,

            QRect(0, 0, -1, -1));  // hide - Theme/Compact

    addRect(PredefinedRect::RENAME_COLUMN,

            QRect(0, HDRROW1, CELL_WIDTH, HDRROW_HEIGHT));

    layername =

        QRect(INDENT + 1, HDRROW1 + 1, CELL_WIDTH - 1, HDRROW_HEIGHT - 1);

    addRect(PredefinedRect::LAYER_NAME, layername);

    addRect(PredefinedRect::CAMERA_LAYER_NAME,

            QRect(INDENT + 1, HDRROW4, CAMERA_CELL_WIDTH - 1,

                  THUMBNAIL_HEIGHT + HDRROW_HEIGHT));

    addRect(PredefinedRect::LAYER_NUMBER,

            QRect(INDENT + layername.width() - 20, HDRROW1, 20, HDRROW_HEIGHT));

    eyeArea = QRect(INDENT, HDRROW2, CELL_WIDTH - ICON_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::EYE_AREA, eyeArea);

    addRect(PredefinedRect::EYE,

            iconRect(eyeArea, ICON_WIDTH, ICON_HEIGHT - 1, 1));

    previewArea =

        QRect(INDENT, HDRROW3, CELL_WIDTH - ICON_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::PREVIEW_LAYER_AREA, previewArea);

    addRect(PredefinedRect::PREVIEW_LAYER,

            iconRect(previewArea, ICON_WIDTH, ICON_HEIGHT - 1, 1));

    lockArea =

        QRect(INDENT + eyeArea.width(), HDRROW2, ICON_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::LOCK_AREA, lockArea);

    addRect(PredefinedRect::LOCK,

            iconRect(lockArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    cameraLockArea = QRect(INDENT, HDRROW2, CAMERA_CELL_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::CAMERA_LOCK_AREA, cameraLockArea);

    addRect(PredefinedRect::CAMERA_LOCK,

            iconRect(cameraLockArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    configArea =

        QRect(INDENT + previewArea.width(), HDRROW3, ICON_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::CONFIG_AREA, configArea);

    addRect(PredefinedRect::CONFIG,

            iconRect(configArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    cameraConfigArea = QRect(INDENT, HDRROW3, CAMERA_CELL_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::CAMERA_CONFIG_AREA, cameraConfigArea);

    addRect(PredefinedRect::CAMERA_CONFIG,

            iconRect(cameraConfigArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    thumbnailArea = QRect(INDENT, HDRROW4, CELL_WIDTH, THUMBNAIL_HEIGHT);

    addRect(PredefinedRect::THUMBNAIL_AREA, thumbnailArea);

    thumbnail = thumbnailArea.adjusted(1, 1, 0, 0);

    addRect(PredefinedRect::THUMBNAIL, thumbnail);

    cameraIconArea = QRect(INDENT, HDRROW1, CAMERA_CELL_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::CAMERA_ICON_AREA, cameraIconArea);

    addRect(PredefinedRect::CAMERA_ICON,

            iconRect(cameraIconArea, ICON_WIDTH, ICON_HEIGHT));

    addRect(PredefinedRect::FILTER_COLOR,

            QRect(thumbnail.right() - 14, thumbnail.top() + 3, 12, 12));

    addRect(PredefinedRect::SOUND_ICON,

            QRect(thumbnailArea.topLeft(), QSize(40, 30))

                .adjusted((thumbnailArea.width() / 2) - (40 / 2),

                          (thumbnailArea.height() / 2) - (30 / 2),

                          (thumbnailArea.width() / 2) - (40 / 2),

                          (thumbnailArea.height() / 2) - (30 / 2)));

    volumeArea =

        QRect(QPoint(thumbnailArea.left() + 3, thumbnailArea.bottom() - 16),

              QSize(TRACKLEN + 8, 14));

    addRect(PredefinedRect::VOLUME_AREA, volumeArea);

    pegbarname = QRect(INDENT, HDRROW5, CELL_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::PEGBAR_NAME, pegbarname);

    addRect(

        PredefinedRect::PARENT_HANDLE_NAME,

        QRect(INDENT + pegbarname.width() - 20, HDRROW5, 20, HDRROW_HEIGHT));

    addFlag(PredefinedFlag::DRAG_LAYER_BORDER, false);

    addFlag(PredefinedFlag::DRAG_LAYER_VISIBLE, false);

    addFlag(PredefinedFlag::LAYER_NAME_BORDER, false);

    addFlag(PredefinedFlag::LAYER_NAME_VISIBLE, true);

    addFlag(PredefinedFlag::LAYER_NUMBER_BORDER, false);

    addFlag(PredefinedFlag::LAYER_NUMBER_VISIBLE, true);

    addFlag(PredefinedFlag::EYE_AREA_BORDER, true);

    addFlag(PredefinedFlag::EYE_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::LOCK_AREA_BORDER, true);

    addFlag(PredefinedFlag::LOCK_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::PREVIEW_LAYER_AREA_BORDER, true);

    addFlag(PredefinedFlag::PREVIEW_LAYER_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::CONFIG_AREA_BORDER, true);

    addFlag(PredefinedFlag::CAMERA_CONFIG_AREA_BORDER, false);

    addFlag(PredefinedFlag::CONFIG_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::CAMERA_CONFIG_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::PEGBAR_NAME_BORDER, true);

    addFlag(PredefinedFlag::PEGBAR_NAME_VISIBLE, true);

    addFlag(PredefinedFlag::PARENT_HANDLE_NAME_BORDER, false);

    addFlag(PredefinedFlag::PARENT_HANDLE_NAME_VISIBILE, true);

    addFlag(PredefinedFlag::THUMBNAIL_AREA_BORDER, true);

    addFlag(PredefinedFlag::THUMBNAIL_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::CAMERA_ICON_VISIBLE, true);

    addFlag(PredefinedFlag::VOLUME_AREA_VERTICAL, false);

  } else {

    THUMBNAIL_HEIGHT = 43;

    HDRROW_HEIGHT    = CELL_HEIGHT - 2;

    INDENT           = CELL_DRAG_WIDTH + 2;

    HDRROW1          = 7;                               // Name/eye

    HDRROW2          = HDRROW1 + CELL_HEIGHT;           // lock, preview

    HDRROW3          = HDRROW2 + CELL_HEIGHT;           // thumbnail

    HDRROW4          = HDRROW3 + THUMBNAIL_HEIGHT + 5;  // pegbar, parenthandle

    addRect(PredefinedRect::DRAG_LAYER,

            QRect(0, 0, CELL_DRAG_WIDTH, use_header_height - 3));

    addRect(PredefinedRect::RENAME_COLUMN,

            QRect(0, HDRROW1, CELL_WIDTH, HDRROW_HEIGHT));

    layername = QRect(INDENT + 1, HDRROW1 + 1, CELL_WIDTH - INDENT - 3,

                      HDRROW_HEIGHT - 1);

    addRect(PredefinedRect::LAYER_NAME, layername);

    addRect(PredefinedRect::CAMERA_LAYER_NAME,

            QRect(1, HDRROW3 + HDRROW_HEIGHT - 8, CAMERA_CELL_WIDTH - 1,

                  THUMBNAIL_HEIGHT + CELL_HEIGHT));

    addRect(PredefinedRect::LAYER_NUMBER, QRect(0, 0, -1, -1));

    eyeArea =

        QRect(INDENT, HDRROW1, CELL_WIDTH - INDENT - 2, HDRROW_HEIGHT - 1);

    addRect(PredefinedRect::EYE_AREA, eyeArea);

    addRect(PredefinedRect::EYE,

            eyeArea.adjusted(eyeArea.width() - ICON_WIDTH, 0, 0, 0));

    previewArea = QRect(INDENT, HDRROW2, CELL_WIDTH - INDENT - 2,

                        HDRROW_HEIGHT - 1);  // Legacy

    addRect(PredefinedRect::PREVIEW_LAYER_AREA, previewArea);

    addRect(PredefinedRect::PREVIEW_LAYER,

            previewArea.adjusted(previewArea.width() - ICON_WIDTH, 0, 0, 0));

    lockArea = QRect(INDENT, HDRROW2, ICON_WIDTH - 1, HDRROW_HEIGHT - 1);

    addRect(PredefinedRect::LOCK_AREA, lockArea);

    addRect(PredefinedRect::LOCK, lockArea);

    cameraLockArea = QRect(0, HDRROW2, CAMERA_CELL_WIDTH, HDRROW_HEIGHT - 1);

    addRect(PredefinedRect::CAMERA_LOCK_AREA, cameraLockArea);

    addRect(PredefinedRect::CAMERA_LOCK,

            iconRect(cameraLockArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    addRect(PredefinedRect::CONFIG_AREA, QRect(0, 0, -1, -1));

    addRect(PredefinedRect::CONFIG, QRect(0, 0, -1, -1));

    cameraConfigArea =

        QRect(0, HDRROW3 - 2, CAMERA_CELL_WIDTH, HDRROW_HEIGHT - 4);

    addRect(PredefinedRect::CAMERA_CONFIG_AREA, cameraConfigArea);

    addRect(PredefinedRect::CAMERA_CONFIG,

            iconRect(cameraConfigArea, ICON_WIDTH - 1, ICON_HEIGHT - 1));

    thumbnailArea =

        QRect(INDENT - 1, HDRROW3, CELL_WIDTH - INDENT - 1, THUMBNAIL_HEIGHT);

    addRect(PredefinedRect::THUMBNAIL_AREA, thumbnailArea);

    thumbnail = thumbnailArea.adjusted(1, 1, 0, 0);

    addRect(PredefinedRect::THUMBNAIL, thumbnail);

    cameraIconArea = QRect(0, HDRROW1, CAMERA_CELL_WIDTH, HDRROW_HEIGHT);

    addRect(PredefinedRect::CAMERA_ICON_AREA, cameraIconArea);

    addRect(PredefinedRect::CAMERA_ICON,

            iconRect(cameraIconArea, ICON_WIDTH, ICON_HEIGHT));

    addRect(PredefinedRect::FILTER_COLOR,

            QRect(thumbnail.right() - 14, thumbnail.top() + 3, 12, 12));

    addRect(

        PredefinedRect::SOUND_ICON,

        QRect(thumbnailArea.topLeft(), QSize(40, 30)).adjusted(21, 19, 21, 19));

    volumeArea =

        QRect(QPoint(thumbnailArea.left() + 3, thumbnailArea.top() - 1),

              QSize(14, TRACKLEN + 8));

    addRect(PredefinedRect::VOLUME_AREA, volumeArea);

    pegbarname =

        QRect(INDENT, HDRROW4, CELL_WIDTH - INDENT - 2, HDRROW_HEIGHT - 1);

    addRect(PredefinedRect::PEGBAR_NAME, pegbarname);

    addRect(PredefinedRect::PARENT_HANDLE_NAME,

            QRect(INDENT + pegbarname.width() - 20, HDRROW4, 20,

                  HDRROW_HEIGHT - 1));

    addFlag(PredefinedFlag::DRAG_LAYER_BORDER, false);

    addFlag(PredefinedFlag::DRAG_LAYER_VISIBLE, true);

    addFlag(PredefinedFlag::LAYER_NAME_BORDER, false);

    addFlag(PredefinedFlag::LAYER_NAME_VISIBLE, true);

    addFlag(PredefinedFlag::LAYER_NUMBER_BORDER, false);

    addFlag(PredefinedFlag::LAYER_NUMBER_VISIBLE, false);

    addFlag(PredefinedFlag::EYE_AREA_BORDER, false);

    addFlag(PredefinedFlag::EYE_AREA_VISIBLE, true);

    //		  addFlag(PredefinedFlag::LOCK_AREA_BORDER, true);

    addFlag(PredefinedFlag::LOCK_AREA_BORDER, false);

    addFlag(PredefinedFlag::LOCK_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::PREVIEW_LAYER_AREA_BORDER, false);

    addFlag(PredefinedFlag::PREVIEW_LAYER_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::CONFIG_AREA_BORDER, false);

    addFlag(PredefinedFlag::CAMERA_CONFIG_AREA_BORDER, false);

    addFlag(PredefinedFlag::CONFIG_AREA_VISIBLE, false);

    addFlag(PredefinedFlag::CAMERA_CONFIG_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::PEGBAR_NAME_BORDER, false);

    addFlag(PredefinedFlag::PEGBAR_NAME_VISIBLE, true);

    addFlag(PredefinedFlag::PARENT_HANDLE_NAME_BORDER, false);

    addFlag(PredefinedFlag::PARENT_HANDLE_NAME_VISIBILE, true);

    addFlag(PredefinedFlag::THUMBNAIL_AREA_BORDER, false);

    addFlag(PredefinedFlag::THUMBNAIL_AREA_VISIBLE, true);

    addFlag(PredefinedFlag::CAMERA_ICON_VISIBLE, true);

    addFlag(PredefinedFlag::VOLUME_AREA_VERTICAL, true);

  }

  if (flag(PredefinedFlag::VOLUME_AREA_VERTICAL)) {

    soundTopLeft = QPoint(volumeArea.left() + 4, volumeArea.top() + 4);

    addRect(PredefinedRect::VOLUME_TRACK,

            QRect(soundTopLeft, QSize(3, TRACKLEN)));

  } else {

    soundTopLeft = QPoint(volumeArea.left() + 4, volumeArea.bottom() - 6);

    addRect(PredefinedRect::VOLUME_TRACK,

            QRect(soundTopLeft, QSize(TRACKLEN, 3)));

  }

  // Layer footer panel

  QRect layerFooterPanel(

      QRect(0, 0, LAYER_FOOTER_PANEL_WIDTH + 2, use_header_height));

  addRect(PredefinedRect::LAYER_FOOTER_PANEL, layerFooterPanel);

  QRect zoomSlider, zoomIn, zoomOut;

  zoomSlider = QRect(0, 17, LAYER_FOOTER_PANEL_WIDTH, use_header_height - 34);

  addRect(PredefinedRect::ZOOM_SLIDER_AREA, zoomSlider);

  addRect(PredefinedRect::ZOOM_SLIDER, zoomSlider.adjusted(0, 1, 0, 0));

  zoomIn = QRect(0, zoomSlider.bottom() + 1, LAYER_FOOTER_PANEL_WIDTH, 16);

  addRect(PredefinedRect::ZOOM_IN_AREA, zoomIn);

  addRect(PredefinedRect::ZOOM_IN, zoomIn.adjusted(1, 1, 0, 0));

  zoomOut = QRect(0, zoomSlider.top() - 17, LAYER_FOOTER_PANEL_WIDTH, 16);

  addRect(PredefinedRect::ZOOM_OUT_AREA, zoomOut);

  addRect(PredefinedRect::ZOOM_OUT, zoomOut.adjusted(1, 1, 0, 0));

  /*

  // Layer footer panel

  addRect(PredefinedRect::LAYER_FOOTER_PANEL, QRect(0, 0, -1, -1));  // hide

  addRect(PredefinedRect::ZOOM_SLIDER, QRect(0, 0, -1, -1));

  addRect(PredefinedRect::ZOOM_IN, QRect(0, 0, -1, -1));

  addRect(PredefinedRect::ZOOM_OUT, QRect(0, 0, -1, -1));

  */

  //

  // Lines

  //

  addLine(PredefinedLine::LOCKED,

          verticalLine((CELL_DRAG_WIDTH + 1) / 2, NumberRange(0, CELL_HEIGHT)));

  addLine(PredefinedLine::SEE_MARKER_THROUGH,

          horizontalLine(0, NumberRange(0, CELL_DRAG_WIDTH)));

  addLine(PredefinedLine::CONTINUE_LEVEL,

          verticalLine(CELL_WIDTH / 2, NumberRange(0, CELL_HEIGHT)));

  addLine(PredefinedLine::CONTINUE_LEVEL_WITH_NAME,

          verticalLine(CELL_WIDTH - 14, NumberRange(0, CELL_HEIGHT)));

  addLine(PredefinedLine::EXTENDER_LINE,

          horizontalLine(0, NumberRange(-EXTENDER_WIDTH - KEY_ICON_WIDTH, 0)));

  //

  // Dimensions

  //

  addDimension(PredefinedDimension::LAYER, CELL_WIDTH);

  addDimension(PredefinedDimension::FRAME, CELL_HEIGHT);

  addDimension(PredefinedDimension::INDEX, 0);

  addDimension(PredefinedDimension::SOUND_AMPLITUDE,

               int(sqrt(CELL_HEIGHT * soundRect.width()) / 2));

  addDimension(PredefinedDimension::FRAME_LABEL_ALIGN,

               Qt::AlignVCenter | Qt::AlignRight);

  addDimension(PredefinedDimension::ONION_TURN, 0);

  addDimension(PredefinedDimension::QBOXLAYOUT_DIRECTION,

               QBoxLayout::Direction::TopToBottom);

  addDimension(PredefinedDimension::CENTER_ALIGN, Qt::AlignHCenter);

  addDimension(PredefinedDimension::CAMERA_LAYER, CAMERA_CELL_WIDTH);

  addDimension(PredefinedDimension::SCALE_THRESHOLD, 57);

  //

  // Paths

  //

  QPainterPath corner(QPointF(0, CELL_HEIGHT));

  corner.lineTo(QPointF(CELL_DRAG_WIDTH, CELL_HEIGHT));

  corner.lineTo(QPointF(CELL_DRAG_WIDTH, CELL_HEIGHT - CELL_DRAG_WIDTH));

  corner.lineTo(QPointF(0, CELL_HEIGHT));

  addPath(PredefinedPath::DRAG_HANDLE_CORNER, corner);

  QPainterPath diamond(QPointF(0, -4));

  diamond.lineTo(4, 0);

  diamond.lineTo(0, 4);

  diamond.lineTo(-4, 0);

  diamond.lineTo(0, -4);

  addPath(PredefinedPath::FRAME_MARKER_DIAMOND, diamond);

  QPainterPath fromTriangle(QPointF(0, EASE_TRIANGLE_SIZE / 2));

  fromTriangle.lineTo(QPointF(EASE_TRIANGLE_SIZE, -EASE_TRIANGLE_SIZE / 2));

  fromTriangle.lineTo(QPointF(-EASE_TRIANGLE_SIZE, -EASE_TRIANGLE_SIZE / 2));

  fromTriangle.lineTo(QPointF(0, EASE_TRIANGLE_SIZE / 2));

  addPath(PredefinedPath::BEGIN_EASE_TRIANGLE, fromTriangle);

  QPainterPath toTriangle(QPointF(0, -EASE_TRIANGLE_SIZE / 2));

  toTriangle.lineTo(QPointF(EASE_TRIANGLE_SIZE, EASE_TRIANGLE_SIZE / 2));

  toTriangle.lineTo(QPointF(-EASE_TRIANGLE_SIZE, EASE_TRIANGLE_SIZE / 2));

  toTriangle.lineTo(QPointF(0, -EASE_TRIANGLE_SIZE / 2));

  addPath(PredefinedPath::END_EASE_TRIANGLE, toTriangle);

  QPainterPath playFrom(QPointF(0, 0));

  playFrom.lineTo(QPointF(PLAY_MARKER_SIZE, 0));

  playFrom.lineTo(QPointF(0, PLAY_MARKER_SIZE));

  playFrom.lineTo(QPointF(0, 0));

  playFrom.translate(PLAY_RANGE_X, 1);

  addPath(PredefinedPath::BEGIN_PLAY_RANGE, playFrom);

  QPainterPath playTo(QPointF(0, 0));

  playTo.lineTo(QPointF(PLAY_MARKER_SIZE, 0));

  playTo.lineTo(QPointF(0, -PLAY_MARKER_SIZE));

  playTo.lineTo(QPointF(0, 0));

  playTo.translate(PLAY_RANGE_X, CELL_HEIGHT - 1);

  addPath(PredefinedPath::END_PLAY_RANGE, playTo);

  QPainterPath track(QPointF(0, 0));

  if (flag(PredefinedFlag::VOLUME_AREA_VERTICAL)) {

    track.lineTo(QPointF(1, 1));

    track.lineTo(QPointF(1, TRACKLEN - 1));

    track.lineTo(QPointF(0, TRACKLEN));

    track.lineTo(QPointF(-1, TRACKLEN - 1));

    track.lineTo(QPointF(-1, 1));

    track.lineTo(QPointF(0, 0));

    track.translate(soundTopLeft + QPoint(3, 0));

  } else {

    track.lineTo(QPointF(1, 1));

    track.lineTo(QPointF(TRACKLEN - 1, 1));

    track.lineTo(QPointF(TRACKLEN, 0));

    track.lineTo(QPointF(TRACKLEN - 1, -1));

    track.lineTo(QPointF(1, -1));

    track.lineTo(QPointF(0, 0));

    track.translate(soundTopLeft);

  }

  addPath(PredefinedPath::VOLUME_SLIDER_TRACK, track);

  QPainterPath head(QPointF(0, 0));

  if (flag(PredefinedFlag::VOLUME_AREA_VERTICAL)) {

    head.lineTo(QPointF(4, 4));

    head.lineTo(QPointF(8, 4));

    head.lineTo(QPointF(8, -4));

    head.lineTo(QPointF(4, -4));

    head.lineTo(QPointF(0, 0));

  } else {

    head.lineTo(QPointF(4, -4));

    head.lineTo(QPointF(4, -8));