#include "toonzqt/styleeditor.h"

// TnzQt includes
#include "toonzqt/gutil.h"
#include "toonzqt/filefield.h"
#include "historytypes.h"
#include "toonzqt/lutcalibrator.h"

// TnzLib includes
#include "toonz/txshlevel.h"
#include "toonz/stylemanager.h"
#include "toonz/txshlevelhandle.h"
#include "toonz/toonzfolders.h"
#include "toonz/cleanupcolorstyles.h"
#include "toonz/palettecontroller.h"
#include "toonz/imagestyles.h"
#include "toonz/txshsimplelevel.h"  //iwsw
#include "toonz/levelproperties.h"  //iwsw
#include "toonz/mypaintbrushstyle.h"
#include "toonz/preferences.h"

// TnzCore includes
#include "tconvert.h"
#include "tfiletype.h"
#include "tsystem.h"
#include "tundo.h"
#include "tcolorstyles.h"
#include "tpalette.h"
#include "tpixel.h"
#include "tvectorimage.h"
#include "trasterimage.h"
#include "tlevel_io.h"
#include "tofflinegl.h"
#include "tropcm.h"
#include "tvectorrenderdata.h"
#include "tsimplecolorstyles.h"
#include "tvectorbrushstyle.h"

// Qt includes
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QGridLayout>
#include <QPainter>
#include <QButtonGroup>
#include <QMouseEvent>
#include <QLabel>
#include <QCheckBox>
#include <QPushButton>
#include <QRadioButton>
#include <QComboBox>
#include <QScrollArea>
#include <QStackedWidget>
#include <QStyleOptionSlider>
#include <QToolTip>
#include <QSplitter>
#include <QMenu>
#include <QOpenGLFramebufferObject>

using namespace StyleEditorGUI;

//*****************************************************************************
//    UndoPaletteChange  definition
//*****************************************************************************

namespace {

class UndoPaletteChange final : public TUndo {
  TPaletteHandle *m_paletteHandle;
  TPaletteP m_palette;

  int m_styleId;
  const TColorStyleP m_oldColor, m_newColor;

  std::wstring m_oldName, m_newName;

  bool m_oldEditedFlag, m_newEditedFlag;

  int m_frame;

public:
  UndoPaletteChange(TPaletteHandle *paletteHandle, int styleId,
                    const TColorStyle &oldColor, const TColorStyle &newColor)
      : m_paletteHandle(paletteHandle)
      , m_palette(paletteHandle->getPalette())
      , m_styleId(styleId)
      , m_oldColor(oldColor.clone())
      , m_newColor(newColor.clone())
      , m_oldName(oldColor.getName())
      , m_newName(newColor.getName())
      , m_frame(m_palette->getFrame())
      , m_oldEditedFlag(oldColor.getIsEditedFlag())
      , m_newEditedFlag(newColor.getIsEditedFlag()) {}

  void undo() const override {
    m_palette->setStyle(m_styleId, m_oldColor->clone());
    m_palette->getStyle(m_styleId)->setIsEditedFlag(m_oldEditedFlag);
    m_palette->getStyle(m_styleId)->setName(m_oldName);

    if (m_palette->isKeyframe(m_styleId, m_frame))
      m_palette->setKeyframe(m_styleId, m_frame);

    // don't change the dirty flag. because m_palette may not the current
    // palette when undo executed
    m_paletteHandle->notifyColorStyleChanged(false, false);
  }

  void redo() const override {
    m_palette->setStyle(m_styleId, m_newColor->clone());
    m_palette->getStyle(m_styleId)->setIsEditedFlag(m_newEditedFlag);
    m_palette->getStyle(m_styleId)->setName(m_newName);

    if (m_palette->isKeyframe(m_styleId, m_frame))
      m_palette->setKeyframe(m_styleId, m_frame);

    // don't change the dirty flag. because m_palette may not the current
    // palette when undo executed
    m_paletteHandle->notifyColorStyleChanged(false, false);
  }

  // imprecise - depends on the style
  int getSize() const override {
    return sizeof(*this) + 2 * sizeof(TColorStyle *);
  }

  QString getHistoryString() override {
    return QObject::tr(
               "Change Style   Palette : %1  Style#%2  [R%3 G%4 B%5] -> [R%6 "
               "G%7 B%8]")
        .arg(QString::fromStdWString(m_palette->getPaletteName()))
        .arg(QString::number(m_styleId))
        .arg(m_oldColor->getMainColor().r)
        .arg(m_oldColor->getMainColor().g)
        .arg(m_oldColor->getMainColor().b)
        .arg(m_newColor->getMainColor().r)
        .arg(m_newColor->getMainColor().g)
        .arg(m_newColor->getMainColor().b);
  }

  int getHistoryType() override { return HistoryType::Palette; }
};

}  // namespace

//*****************************************************************************
//    ColorModel  implementation
//*****************************************************************************

const int ChannelMaxValues[]        = {255, 255, 255, 255, 359, 100, 100};
const int ChannelPairMaxValues[][2] = {{255, 255}, {255, 255}, {255, 255},
                                       {255, 255}, {100, 100}, {359, 100},
                                       {359, 100}};

ColorModel::ColorModel() { memset(m_channels, 0, sizeof m_channels); }

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

void ColorModel::rgb2hsv() {
  QColor converter(m_channels[0], m_channels[1], m_channels[2]);
  m_channels[4] =
      std::max(converter.hue(), 0);  // hue() ritorna -1 per colori acromatici
  m_channels[5] = converter.saturation() * 100 / 255;
  m_channels[6] = converter.value() * 100 / 255;
}

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

void ColorModel::hsv2rgb() {
  QColor converter = QColor::fromHsv(m_channels[4], m_channels[5] * 255 / 100,
                                     m_channels[6] * 255 / 100);

  m_channels[0] = converter.red();
  m_channels[1] = converter.green();
  m_channels[2] = converter.blue();
}

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

void ColorModel::setTPixel(const TPixel32 &pix) {
  QColor color(pix.r, pix.g, pix.b, pix.m);
  m_channels[0] = color.red();
  m_channels[1] = color.green();
  m_channels[2] = color.blue();
  m_channels[3] = color.alpha();
  m_channels[4] =
      std::max(color.hue(), 0);  // hue() ritorna -1 per colori acromatici
  m_channels[5] = color.saturation() * 100 / 255;
  m_channels[6] = color.value() * 100 / 255;
}

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

TPixel32 ColorModel::getTPixel() const {
  return TPixel32(m_channels[0], m_channels[1], m_channels[2], m_channels[3]);
}

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

void ColorModel::setValue(ColorChannel channel, int value) {
  assert(0 <= (int)channel && (int)channel < 7);
  assert(0 <= value && value <= ChannelMaxValues[channel]);
  m_channels[(int)channel] = value;
  if (channel >= eHue)
    hsv2rgb();
  else if (channel <= eBlue)
    rgb2hsv();
}

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

void ColorModel::setValues(ColorChannel channel, int v, int u) {
  assert(0 <= (int)channel && (int)channel < 7);
  switch (channel) {
  case eRed:
    setValue(eGreen, v);
    setValue(eBlue, u);
    break;
  case eGreen:
    setValue(eRed, v);
    setValue(eBlue, u);
    break;
  case eBlue:
    setValue(eRed, v);
    setValue(eGreen, u);
    break;
  case eHue:
    setValue(eSaturation, v);
    setValue(eValue, u);
    break;
  case eSaturation:
    setValue(eHue, v);
    setValue(eValue, u);
    break;
  case eValue:
    setValue(eHue, v);
    setValue(eSaturation, u);
    break;
  }
}

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

int ColorModel::getValue(ColorChannel channel) const {
  assert(0 <= (int)channel && (int)channel < 7);
  return m_channels[(int)channel];
}

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

void ColorModel::getValues(ColorChannel channel, int &u, int &v) {
  switch (channel) {
  case eRed:
    u = getValue(eGreen);
    v = getValue(eBlue);
    break;
  case eGreen:
    u = getValue(eRed);
    v = getValue(eBlue);
    break;
  case eBlue:
    u = getValue(eRed);
    v = getValue(eGreen);
    break;
  case eHue:
    u = getValue(eSaturation);
    v = getValue(eValue);
    break;
  case eSaturation:
    u = getValue(eHue);
    v = getValue(eValue);
    break;
  case eValue:
    u = getValue(eHue);
    v = getValue(eSaturation);
    break;
  }
}

//-----------------------------------------------------------------------------
namespace {
//-----------------------------------------------------------------------------

class RedShadeMaker {
  const ColorModel &m_color;

public:
  RedShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int value) const {
    return QColor(value, m_color.g(), m_color.b()).rgba();
  }
};

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

class GreenShadeMaker {
  const ColorModel &m_color;

public:
  GreenShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int value) const {
    return QColor(m_color.r(), value, m_color.b()).rgba();
  }
};

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

class BlueShadeMaker {
  const ColorModel &m_color;

public:
  BlueShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int value) const {
    return QColor(m_color.r(), m_color.g(), value).rgba();
  }
};

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

class AlphaShadeMaker {
  const ColorModel &m_color;

public:
  AlphaShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int value) const {
    return QColor(m_color.r(), m_color.g(), m_color.b(), value).rgba();
  }
};

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

class HueShadeMaker {
  const ColorModel &m_color;

public:
  HueShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int value) const {
    return QColor::fromHsv(359 * value / 255, m_color.s() * 255 / 100,
                           m_color.v() * 255 / 100)
        .rgba();
  }
};

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

class SaturationShadeMaker {
  const ColorModel &m_color;

public:
  SaturationShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int value) const {
    return QColor::fromHsv(m_color.h(), value, m_color.v() * 255 / 100).rgba();
  }
};

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

class ValueShadeMaker {
  const ColorModel &m_color;

public:
  ValueShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int value) const {
    return QColor::fromHsv(m_color.h(), m_color.s() * 255 / 100, value).rgba();
  }
};

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

class RedGreenShadeMaker {
  const ColorModel &m_color;

public:
  RedGreenShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int u, int v) const {
    return QColor(u, v, m_color.b()).rgba();
  }
};

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

class RedBlueShadeMaker {
  const ColorModel &m_color;

public:
  RedBlueShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int u, int v) const {
    return QColor(u, m_color.g(), v).rgba();
  }
};

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

class GreenBlueShadeMaker {
  const ColorModel &m_color;

public:
  GreenBlueShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int u, int v) const {
    return QColor(m_color.r(), u, v).rgba();
  }
};

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

class SaturationValueShadeMaker {
  const ColorModel &m_color;

public:
  SaturationValueShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int u, int v) const {
    return QColor::fromHsv(m_color.h(), u, v).rgba();
  }
};

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

class HueValueShadeMaker {
  const ColorModel &m_color;

public:
  HueValueShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int u, int v) const {
    return QColor::fromHsv(359 * u / 255, m_color.s() * 255 / 100, v).rgba();
  }
};

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

class HueSaturationShadeMaker {
  const ColorModel &m_color;

public:
  HueSaturationShadeMaker(const ColorModel &color) : m_color(color) {}
  inline QRgb shade(int u, int v) const {
    return QColor::fromHsv(359 * u / 255, v, m_color.v() * 255 / 100).rgba();
  }
};

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

template <class ShadeMaker>
QPixmap makeLinearShading(const ShadeMaker &shadeMaker, int size,
                          bool isVertical) {
  assert(size > 0);
  QPixmap bgPixmap;
  int i, dx, dy, w = 1, h = 1;
  int x = 0, y = 0;
  if (isVertical) {
    dx = 0;
    dy = -1;
    h  = size;
    y  = size - 1;
  } else {
    dx = 1;
    dy = 0;
    w  = size;
  }
  QImage image(w, h, QImage::Format_ARGB32);
  for (i = 0; i < size; i++) {
    int v = 255 * i / (size - 1);
    image.setPixel(x, y, shadeMaker.shade(v));
    x += dx;
    y += dy;
  }
  return QPixmap::fromImage(image);
}

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

QPixmap makeLinearShading(const ColorModel &color, ColorChannel channel,
                          int size, bool isVertical) {
  switch (channel) {
  case eRed:
    if (isVertical)
      return makeLinearShading(RedShadeMaker(color), size, isVertical);
    else
      return QPixmap(":Resources/grad_r.png").scaled(size, 1);
  case eGreen:
    if (isVertical)
      return makeLinearShading(GreenShadeMaker(color), size, isVertical);
    else
      return QPixmap(":Resources/grad_g.png").scaled(size, 1);
  case eBlue:
    if (isVertical)
      return makeLinearShading(BlueShadeMaker(color), size, isVertical);
    else
      return QPixmap(":Resources/grad_b.png").scaled(size, 1);
  case eAlpha:
    if (isVertical)
      return makeLinearShading(AlphaShadeMaker(color), size, isVertical);
    else
      return QPixmap(":Resources/grad_m.png").scaled(size, 1);
  case eHue:
    return makeLinearShading(HueShadeMaker(color), size, isVertical);
  case eSaturation:
    return makeLinearShading(SaturationShadeMaker(color), size, isVertical);
  case eValue:
    return makeLinearShading(ValueShadeMaker(color), size, isVertical);
  default:
    assert(0);
  }
  return QPixmap();
}

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

template <class ShadeMaker>
QPixmap makeSquareShading(const ShadeMaker &shadeMaker, int size) {
  assert(size > 0);
  QPixmap bgPixmap;
  QImage image(size, size, QImage::Format_RGB32);
  int i, j;
  for (j = 0; j < size; j++) {
    int u = 255 - (255 * j / (size - 1));
    for (i = 0; i < size; i++) {
      int v = 255 * i / (size - 1);
      image.setPixel(i, j, shadeMaker.shade(v, u));
    }
  }
  return QPixmap::fromImage(image);
}

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

QPixmap makeSquareShading(const ColorModel &color, ColorChannel channel,
                          int size) {
  switch (channel) {
  case eRed:
    return makeSquareShading(GreenBlueShadeMaker(color), size);
  case eGreen:
    return makeSquareShading(RedBlueShadeMaker(color), size);
  case eBlue:
    return makeSquareShading(RedGreenShadeMaker(color), size);
  case eHue:
    return makeSquareShading(SaturationValueShadeMaker(color), size);
  case eSaturation:
    return makeSquareShading(HueValueShadeMaker(color), size);
  case eValue:
    return makeSquareShading(HueSaturationShadeMaker(color), size);
  default:
    assert(0);
  }
  return QPixmap();
}

//-----------------------------------------------------------------------------
}  // namespace
//-----------------------------------------------------------------------------

//*****************************************************************************
//    HexagonalColorWheel  implementation
//*****************************************************************************

HexagonalColorWheel::HexagonalColorWheel(QWidget *parent)
    : GLWidgetForHighDpi(parent)
    , m_bgColor(128, 128, 128)  // defaul value in case this value does not set
                                // in the style sheet
{
  setObjectName("HexagonalColorWheel");
  setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
  setFocusPolicy(Qt::NoFocus);
  m_currentWheel = none;
  if (Preferences::instance()->isColorCalibrationEnabled())
    m_lutCalibrator = new LutCalibrator();
}

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

HexagonalColorWheel::~HexagonalColorWheel() {
  if (m_fbo) delete m_fbo;
}

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

void HexagonalColorWheel::initializeGL() {
  initializeOpenGLFunctions();

  // to be computed once through the software
  if (m_lutCalibrator) {
    m_lutCalibrator->initialize();
    connect(context(), SIGNAL(aboutToBeDestroyed()), this,
            SLOT(onContextAboutToBeDestroyed()));
  }

  QColor const color = getBGColor();
  glClearColor(color.redF(), color.greenF(), color.blueF(), color.alphaF());
}

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

void HexagonalColorWheel::resizeGL(int w, int h) {
  w *= getDevPixRatio();
  h *= getDevPixRatio();
  float d                 = (w - 5.0f) / 2.5f;
  bool isHorizontallyLong = ((d * 1.732f) < h) ? false : true;

  if (isHorizontallyLong) {
    m_triEdgeLen = (float)h / 1.732f;
    m_triHeight  = (float)h / 2.0f;
    m_wheelPosition.setX(((float)w - (m_triEdgeLen * 2.5f + 5.0f)) / 2.0f);
    m_wheelPosition.setY(0.0f);
  } else {
    m_triEdgeLen = d;
    m_triHeight  = m_triEdgeLen * 0.866f;
    m_wheelPosition.setX(0.0f);
    m_wheelPosition.setY(((float)h - (m_triHeight * 2.0f)) / 2.0f);
  }

  // set all vertices positions
  m_wp[0].setX(m_triEdgeLen);
  m_wp[0].setY(m_triHeight);
  m_wp[1].setX(m_triEdgeLen * 0.5f);
  m_wp[1].setY(0.0f);
  m_wp[2].setX(0.0f);
  m_wp[2].setY(m_triHeight);
  m_wp[3].setX(m_triEdgeLen * 0.5f);
  m_wp[3].setY(m_triHeight * 2.0f);
  m_wp[4].setX(m_triEdgeLen * 1.5f);
  m_wp[4].setY(m_triHeight * 2.0f);
  m_wp[5].setX(m_triEdgeLen * 2.0f);
  m_wp[5].setY(m_triHeight);
  m_wp[6].setX(m_triEdgeLen * 1.5f);
  m_wp[6].setY(0.0f);

  m_leftp[0].setX(m_wp[6].x() + 5.0f);
  m_leftp[0].setY(0.0f);
  m_leftp[1].setX(m_leftp[0].x() + m_triEdgeLen);
  m_leftp[1].setY(m_triHeight * 2.0f);
  m_leftp[2].setX(m_leftp[1].x());
  m_leftp[2].setY(0.0f);

  // GL settings
  glViewport(0, 0, w, h);
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  glOrtho(0.0, (GLdouble)w, (GLdouble)h, 0.0, 1.0, -1.0);

  // remake fbo with new size
  if (m_lutCalibrator && m_lutCalibrator->isValid()) {
    if (m_fbo) delete m_fbo;
    m_fbo = new QOpenGLFramebufferObject(w, h);
  }
}

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

void HexagonalColorWheel::paintGL() {
  // call ClearColor() here in order to update bg color when the stylesheet is
  // switched
  QColor const color = getBGColor();
  glClearColor(color.redF(), color.greenF(), color.blueF(), color.alphaF());

  glMatrixMode(GL_MODELVIEW);

  if (m_lutCalibrator && m_lutCalibrator->isValid()) m_fbo->bind();

  glClear(GL_COLOR_BUFFER_BIT);

  float v = (float)m_color.getValue(eValue) / 100.0f;

  glPushMatrix();

  // draw hexagonal color wheel
  glTranslatef(m_wheelPosition.rx(), m_wheelPosition.ry(), 0.0f);
  glBegin(GL_TRIANGLE_FAN);
  glColor3f(v, v, v);
  glVertex2f(m_wp[0].x(), m_wp[0].y());

  glColor3f(0.0f, v, 0.0f);
  glVertex2f(m_wp[1].x(), m_wp[1].y());
  glColor3f(0.0f, v, v);
  glVertex2f(m_wp[2].x(), m_wp[2].y());
  glColor3f(0.0f, 0.0f, v);
  glVertex2f(m_wp[3].x(), m_wp[3].y());
  glColor3f(v, 0.0f, v);
  glVertex2f(m_wp[4].x(), m_wp[4].y());
  glColor3f(v, 0.0f, 0.0f);
  glVertex2f(m_wp[5].x(), m_wp[5].y());
  glColor3f(v, v, 0.0f);
  glVertex2f(m_wp[6].x(), m_wp[6].y());
  glColor3f(0.0f, v, 0.0f);
  glVertex2f(m_wp[1].x(), m_wp[1].y());
  glEnd();

  QColor leftCol = QColor().fromHsv(m_color.getValue(eHue), 255, 255);

  // draw triangle color picker
  glBegin(GL_TRIANGLES);
  glColor3f(leftCol.redF(), leftCol.greenF(), leftCol.blueF());
  glVertex2f(m_leftp[0].x(), m_leftp[0].y());
  glColor3f(0.0f, 0.0f, 0.0f);
  glVertex2f(m_leftp[1].x(), m_leftp[1].y());
  glColor3f(1.0f, 1.0f, 1.0f);
  glVertex2f(m_leftp[2].x(), m_leftp[2].y());
  glEnd();

  // draw small quad at current color position
  drawCurrentColorMark();

  glPopMatrix();

  if (m_lutCalibrator && m_lutCalibrator->isValid())
    m_lutCalibrator->onEndDraw(m_fbo);
}

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

void HexagonalColorWheel::drawCurrentColorMark() {
  int h;
  float s, v;

  // show hue in a counterclockwise fashion
  h = 360 - m_color.getValue(eHue);

  s = (float)m_color.getValue(eSaturation) / 100.0f;
  v = (float)m_color.getValue(eValue) / 100.0f;

  // d is a distance from a center of the wheel
  float d, phi;
  phi = (float)(h % 60 - 30) / 180.0f * 3.1415f;
  d   = s * m_triHeight / cosf(phi);

  // set marker color
  if (v > 0.4f)
    glColor3f(0.0f, 0.0f, 0.0f);
  else
    glColor3f(1.0f, 1.0f, 1.0f);

  // draw marker (in the wheel)
  glPushMatrix();
  glTranslatef(m_wp[0].x(), m_wp[0].y(), 0.1f);
  glRotatef(h, 0.0, 0.0, 1.0);
  glTranslatef(d, 0.0f, 0.0f);
  glRotatef(-h, 0.0, 0.0, 1.0);
  glBegin(GL_LINE_LOOP);
  glVertex2f(-3, -3);
  glVertex2f(3, -3);
  glVertex2f(3, 3);
  glVertex2f(-3, 3);
  glEnd();
  glPopMatrix();

  // draw marker (in the triangle)
  glPushMatrix();
  glTranslatef(m_leftp[1].x(), m_leftp[1].y(), 0.1f);
  glTranslatef(-m_triEdgeLen * v * s, -m_triHeight * v * 2.0f, 0.0f);
  glBegin(GL_LINE_LOOP);
  glVertex2f(-3, -3);
  glVertex2f(3, -3);
  glVertex2f(3, 3);
  glVertex2f(-3, 3);
  glEnd();
  glPopMatrix();
}

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

void HexagonalColorWheel::mousePressEvent(QMouseEvent *event) {
  if (~event->buttons() & Qt::LeftButton) return;

  // check whether the mouse cursor is in the wheel or in the triangle (or
  // nothing).
  QPoint curPos = event->pos() * getDevPixRatio();

  QPolygonF wheelPolygon;
  // in the case of the wheel
  wheelPolygon << m_wp[1] << m_wp[2] << m_wp[3] << m_wp[4] << m_wp[5]
               << m_wp[6];
  wheelPolygon.translate(m_wheelPosition);
  if (wheelPolygon.toPolygon().containsPoint(curPos, Qt::OddEvenFill)) {
    m_currentWheel = leftWheel;
    clickLeftWheel(curPos);
    return;
  }

  wheelPolygon.clear();
  // in the case of the triangle
  wheelPolygon << m_leftp[0] << m_leftp[1] << m_leftp[2];
  wheelPolygon.translate(m_wheelPosition);
  if (wheelPolygon.toPolygon().containsPoint(curPos, Qt::OddEvenFill)) {
    m_currentWheel = rightTriangle;
    clickRightTriangle(curPos);
    return;
  }

  //... or, in the case of nothing
  m_currentWheel = none;
}

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

void HexagonalColorWheel::mouseMoveEvent(QMouseEvent *event) {
  // change the behavior according to the current touching wheel
  switch (m_currentWheel) {
  case none:
    break;
  case leftWheel:
    clickLeftWheel(event->pos() * getDevPixRatio());
    break;
  case rightTriangle:
    clickRightTriangle(event->pos() * getDevPixRatio());
    break;
  }
}

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

void HexagonalColorWheel::mouseReleaseEvent(QMouseEvent *event) {
  m_currentWheel = none;
  emit colorChanged(m_color, false);
}

//-----------------------------------------------------------------------------
/*! compute hue and saturation position. saturation value must be clamped
*/
void HexagonalColorWheel::clickLeftWheel(const QPoint &pos) {
  QLineF p(m_wp[0] + m_wheelPosition, QPointF(pos));
  QLineF horizontal(0, 0, 1, 0);
  float theta = (p.dy() < 0) ? p.angle(horizontal) : 360 - p.angle(horizontal);
  float phi   = theta;
  while (phi >= 60.0f) phi -= 60.0f;
  phi -= 30.0f;
  // d is a length from center to edge of the wheel when saturation = 100
  float d = m_triHeight / cosf(phi / 180.0f * 3.1415f);

  int h          = (int)theta;
  if (h > 359) h = 359;
  // clamping
  int s = (int)(std::min(p.length() / d, 1.0) * 100.0f);

  m_color.setValues(eValue, h, s);

  emit colorChanged(m_color, true);
}

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

void HexagonalColorWheel::clickRightTriangle(const QPoint &pos) {
  int s, v;
  QPointF p = m_leftp[1] + m_wheelPosition - QPointF(pos);
  if (p.ry() <= 0.0f) {
    s = 0;
    v = 0;
  } else {
    float v_ratio = std::min((float)(p.ry() / (m_triHeight * 2.0f)), 1.0f);
    float s_f     = p.rx() / (m_triEdgeLen * v_ratio);
    v             = (int)(v_ratio * 100.0f);
    s             = (int)(std::min(std::max(s_f, 0.0f), 1.0f) * 100.0f);
  }
  m_color.setValues(eHue, s, v);
  emit colorChanged(m_color, true);
}

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

void HexagonalColorWheel::onContextAboutToBeDestroyed() {
  if (!m_lutCalibrator) return;
  makeCurrent();
  m_lutCalibrator->cleanup();
  doneCurrent();
}

//*****************************************************************************
//    SquaredColorWheel  implementation
//*****************************************************************************

SquaredColorWheel::SquaredColorWheel(QWidget *parent)
    : QWidget(parent), m_channel(eRed), m_color() {}

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

void SquaredColorWheel::paintEvent(QPaintEvent *) {
  QPainter p(this);
  // calcolo lo sfondo
  int size = width();

  QPixmap bgPixmap = makeSquareShading(m_color, m_channel, size);

  if (!bgPixmap.isNull()) p.drawTiledPixmap(0, 0, size, size, bgPixmap);

  int u = 0, v = 0;
  m_color.getValues(m_channel, u, v);
  int x = u * width() / ChannelPairMaxValues[m_channel][0];
  int y = (ChannelPairMaxValues[m_channel][1] - v) * height() /
          ChannelPairMaxValues[m_channel][1];

  if (m_color.v() > 127)
    p.setPen(Qt::black);
  else
    p.setPen(Qt::white);
  p.drawRect(x - 1, y - 1, 3, 3);
}

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

void SquaredColorWheel::click(const QPoint &pos) {
  int u = ChannelPairMaxValues[m_channel][0] * pos.x() / width();
  int v = ChannelPairMaxValues[m_channel][1] * (height() - pos.y()) / height();
  u     = tcrop(u, 0, ChannelPairMaxValues[m_channel][0]);
  v     = tcrop(v, 0, ChannelPairMaxValues[m_channel][1]);
  m_color.setValues(m_channel, u, v);
  update();
  emit colorChanged(m_color, true);
}

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

void SquaredColorWheel::mousePressEvent(QMouseEvent *event) {
  if (event->buttons() & Qt::LeftButton) click(event->pos());
}

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

void SquaredColorWheel::mouseMoveEvent(QMouseEvent *event) {
  if (event->buttons() & Qt::LeftButton) click(event->pos());
}

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

void SquaredColorWheel::mouseReleaseEvent(QMouseEvent *event) {
  emit colorChanged(m_color, false);
}

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

void SquaredColorWheel::setColor(const ColorModel &color) { m_color = color; }

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

void SquaredColorWheel::setChannel(int channel) {
  assert(0 <= channel && channel < 7);
  m_channel = (ColorChannel)channel;
  update();
}

//*****************************************************************************
//    ColorSlider  implementation
//*****************************************************************************

ColorSlider::ColorSlider(Qt::Orientation orientation, QWidget *parent)
    : QSlider(orientation, parent), m_channel(eRed), m_color() {
  setFocusPolicy(Qt::NoFocus);

  setOrientation(orientation);
  setMinimum(0);
  setMaximum(ChannelMaxValues[m_channel]);

  setMinimumHeight(7);
  setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);

  // Attenzione: necessario per poter individuare l'oggetto nel file di
  // definizione dello stile
  setObjectName("colorSlider");
}

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

void ColorSlider::setChannel(ColorChannel channel) {
  if (m_channel == channel) return;
  m_channel = channel;
  setMaximum(ChannelMaxValues[m_channel]);
}

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

void ColorSlider::setColor(const ColorModel &color) { m_color = color; }

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

void ColorSlider::paintEvent(QPaintEvent *event) {
  QPainter p(this);

  int x = rect().x();
  int y = rect().y();
  int w = width();
  int h = height();

  bool isVertical = orientation() == Qt::Vertical;

  if (!isVertical) h -= 5;

  QPixmap bgPixmap =
      makeLinearShading(m_color, m_channel, isVertical ? h : w, isVertical);

  if (m_channel == eAlpha) {
    static QPixmap checkboard(":Resources/backg.png");
    p.drawTiledPixmap(x, y, w, h, checkboard);
  }

  if (!bgPixmap.isNull()) {
    p.drawTiledPixmap(x, y, w, h, bgPixmap);
    p.setPen(Qt::white);
    p.drawLine(x, y + h, x + w, y + h);
  }

  /*!
     Bug in Qt 4.3: The vertical Slider cannot be styled due to a bug.
     In this case we draw "manually" the slider handle at correct position
  */
  if (isVertical) {
    int pos = QStyle::sliderPositionFromValue(minimum(), maximum(), value(),
                                              h - 9, true);
    static QPixmap vHandlePixmap(":Resources/v_chandle.png");
    p.drawPixmap(0, pos, vHandlePixmap);
  } else {
    static QPixmap hHandleUpPm(":Resources/h_chandleUp.png");
    static QPixmap hHandleDownPm(":Resources/h_chandleDown.png");
    static QPixmap hHandleCenterPm(":Resources/h_chandleCenter.png");
    int pos = QStyle::sliderPositionFromValue(
        0, maximum(), value(), width() - hHandleCenterPm.width(), false);
    p.drawPixmap(pos, 0, hHandleUpPm);
    p.drawPixmap(pos, height() - hHandleDownPm.height(), hHandleDownPm);
    p.drawPixmap(pos, hHandleUpPm.height(), hHandleCenterPm.width(),
                 height() - hHandleUpPm.height() - hHandleDownPm.height(),
                 hHandleCenterPm);
  }
};

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

void ColorSlider::mousePressEvent(QMouseEvent *event) {
  // vogliamo che facendo click sullo slider, lontano dall'handle
  // l'handle salti subito nella posizione giusta invece di far partire
  // l'autorepeat.
  //
  // cfr. qslider.cpp:429: sembra che questo comportamento si possa ottenere
  // anche con SH_Slider_AbsoluteSetButtons. Ma non capisco come si possa fare
  // per definire quest hint
  QStyleOptionSlider opt;
  initStyleOption(&opt);
  const QRect handleRect = style()->subControlRect(
      QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);
  if (!handleRect.contains(event->pos())) {
    const QPoint handleCenter = handleRect.center();
    const QRect grooveRect    = style()->subControlRect(
        QStyle::CC_Slider, &opt, QStyle::SC_SliderGroove, this);
    int pos, span;
    bool upsideDown = false;
    if (opt.orientation == Qt::Vertical) {
      upsideDown     = true;
      int handleSize = handleRect.height();
      pos            = event->pos().y() - handleSize / 2;
      span           = grooveRect.height() - handleSize;
    } else {
      int handleSize = QPixmap(":Resources/h_chandleCenter.png").width();
      pos            = event->pos().x() - handleSize / 2;
      span           = grooveRect.width() - handleSize;
    }
    int value = QStyle::sliderValueFromPosition(minimum(), maximum(), pos, span,
                                                upsideDown);
    setValue(value);
  }
  QSlider::mousePressEvent(event);
}

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

void ColorSlider::mouseReleaseEvent(QMouseEvent *event) {
  emit sliderReleased();
}

//*****************************************************************************
//    ArrowButton  implementation
//*****************************************************************************

ArrowButton::ArrowButton(QWidget *parent, Qt::Orientation orientation,
                         bool isFirstArrow)
    : QToolButton(parent)
    , m_orientaion(orientation)
    , m_isFirstArrow(isFirstArrow)
    , m_timerId(0)
    , m_firstTimerId(0) {
  setFixedSize(10, 10);
  setObjectName("StyleEditorArrowButton");
  bool isVertical = orientation == Qt::Vertical;
  if (m_isFirstArrow) {
    if (isVertical)
      setIcon(createQIconPNG("arrow_up"));
    else
      setIcon(createQIconPNG("arrow_left"));
  } else {
    if (isVertical)
      setIcon(createQIconPNG("arrow_down"));
    else
      setIcon(createQIconPNG("arrow_right"));
  }
  connect(this, SIGNAL(pressed()), this, SLOT(onPressed()));
  connect(this, SIGNAL(released()), this, SLOT(onRelease()));
}

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

void ArrowButton::timerEvent(QTimerEvent *event) {
  if (m_firstTimerId != 0) {
    killTimer(m_firstTimerId);
    m_firstTimerId = 0;
    m_timerId      = startTimer(10);
  }
  notifyChanged();
}

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

void ArrowButton::notifyChanged() {
  bool isVertical = m_orientaion == Qt::Vertical;
  if ((m_isFirstArrow && !isVertical) || (!m_isFirstArrow && isVertical))
    emit remove();
  else
    emit add();
}

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

void ArrowButton::onPressed() {
  notifyChanged();
  assert(m_timerId == 0 && m_firstTimerId == 0);
  m_firstTimerId = startTimer(500);
}

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

void ArrowButton::onRelease() {
  if (m_firstTimerId != 0) {
    killTimer(m_firstTimerId);
    m_firstTimerId = 0;
  } else if (m_timerId != 0) {
    killTimer(m_timerId);
    m_timerId = 0;
  }
}

//*****************************************************************************
//    ColorSliderBar  implementation
//*****************************************************************************

ColorSliderBar::ColorSliderBar(QWidget *parent, Qt::Orientation orientation)
    : QWidget(parent) {
  bool isVertical = orientation == Qt::Vertical;

  ArrowButton *first = new ArrowButton(this, orientation, true);
  connect(first, SIGNAL(remove()), this, SLOT(onRemove()));
  connect(first, SIGNAL(add()), this, SLOT(onAdd()));

  m_colorSlider = new ColorSlider(orientation, this);
  if (isVertical) m_colorSlider->setMaximumWidth(22);

  ArrowButton *last = new ArrowButton(this, orientation, false);
  connect(last, SIGNAL(add()), this, SLOT(onAdd()));
  connect(last, SIGNAL(remove()), this, SLOT(onRemove()));

  connect(m_colorSlider, SIGNAL(valueChanged(int)), this,
          SIGNAL(valueChanged(int)));
  connect(m_colorSlider, SIGNAL(sliderReleased()), this,
          SIGNAL(valueChanged()));

  QBoxLayout *layout;
  if (!isVertical)
    layout = new QHBoxLayout(this);
  else
    layout = new QVBoxLayout(this);

  layout->setSpacing(0);
  layout->setMargin(0);
  layout->addWidget(first, 0, Qt::AlignCenter);
  layout->addWidget(m_colorSlider, 1);
  layout->addWidget(last, 0, Qt::AlignCenter);
  setLayout(layout);
}

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

void ColorSliderBar::onRemove() {
  int value = m_colorSlider->value();
  if (value <= m_colorSlider->minimum()) return;
  m_colorSlider->setValue(value - 1);
}

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

void ColorSliderBar::onAdd() {
  int value = m_colorSlider->value();
  if (value >= m_colorSlider->maximum()) return;
  m_colorSlider->setValue(value + 1);
}

//*****************************************************************************
//    ChannelLineEdit  implementation
//*****************************************************************************

void ChannelLineEdit::mousePressEvent(QMouseEvent *e) {
  IntLineEdit::mousePressEvent(e);

  if (!m_isEditing) {
    selectAll();
    m_isEditing = true;
  }
}

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

void ChannelLineEdit::focusOutEvent(QFocusEvent *e) {
  IntLineEdit::focusOutEvent(e);

  m_isEditing = false;
}

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

void ChannelLineEdit::paintEvent(QPaintEvent *e) {
  IntLineEdit::paintEvent(e);

  if (m_isEditing) {
    QPainter p(this);
    p.setPen(Qt::yellow);
    p.drawRect(rect().adjusted(0, 0, -1, -1));
  }
}

//*****************************************************************************
//    ColorChannelControl  implementation
//*****************************************************************************

ColorChannelControl::ColorChannelControl(ColorChannel channel, QWidget *parent)
    : QWidget(parent), m_channel(channel), m_value(0), m_signalEnabled(true) {
  setFocusPolicy(Qt::NoFocus);

  QStringList channelList;
  channelList << tr("R") << tr("G") << tr("B") << tr("A") << tr("H") << tr("S")
              << tr("V");
  assert(0 <= (int)m_channel && (int)m_channel < 7);
  QString text = channelList.at(m_channel);
  m_label      = new QLabel(text, this);

  int minValue = 0;
  int maxValue = 0;
  if (m_channel < 4)  // RGBA
    maxValue = 255;
  else if (m_channel == 4)  // H
    maxValue = 359;
  else  // SV
    maxValue = 100;

  m_field  = new ChannelLineEdit(this, 0, minValue, maxValue);
  m_slider = new ColorSlider(Qt::Horizontal, this);

  // buttons to increment/decrement the values by 1
  QPushButton *addButton = new QPushButton(this);
  QPushButton *subButton = new QPushButton(this);

  m_slider->setValue(0);
  m_slider->setChannel(m_channel);

  m_label->setObjectName("colorSliderLabel");
  m_label->setFixedWidth(11);
  m_label->setMinimumHeight(7);
  m_label->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);

  m_field->setObjectName("colorSliderField");
  m_field->setFixedWidth(fontMetrics().width('0') * 6 + 5);
  m_field->setMinimumHeight(7);

  addButton->setObjectName("colorSliderAddButton");
  subButton->setObjectName("colorSliderSubButton");
  addButton->setFixedWidth(18);
  subButton->setFixedWidth(18);
  addButton->setMinimumHeight(7);
  subButton->setMinimumHeight(7);
  addButton->setFlat(true);
  subButton->setFlat(true);
  addButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
  subButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
  addButton->setAutoRepeat(true);
  subButton->setAutoRepeat(true);
  addButton->setAutoRepeatInterval(25);
  subButton->setAutoRepeatInterval(25);
  addButton->setFocusPolicy(Qt::NoFocus);
  subButton->setFocusPolicy(Qt::NoFocus);

  QHBoxLayout *mainLayout = new QHBoxLayout(this);
  mainLayout->setMargin(0);
  mainLayout->setSpacing(1);
  {
    mainLayout->addWidget(m_label, 0);
    mainLayout->addSpacing(2);
    mainLayout->addWidget(m_field, 0);
    mainLayout->addSpacing(2);
    mainLayout->addWidget(subButton, 0);
    mainLayout->addWidget(m_slider, 1);
    mainLayout->addWidget(addButton, 0);
  }
  setLayout(mainLayout);

  bool ret =
      connect(m_field, SIGNAL(editingFinished()), this, SLOT(onFieldChanged()));
  ret = ret && connect(m_slider, SIGNAL(valueChanged(int)), this,
                       SLOT(onSliderChanged(int)));
  ret = ret && connect(m_slider, SIGNAL(sliderReleased()), this,
                       SLOT(onSliderReleased()));
  ret = ret &&
        connect(addButton, SIGNAL(clicked()), this, SLOT(onAddButtonClicked()));
  ret = ret &&
        connect(subButton, SIGNAL(clicked()), this, SLOT(onSubButtonClicked()));
  assert(ret);
}

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

void ColorChannelControl::onAddButtonClicked() {
  m_slider->setValue(m_slider->value() + 1);
}

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

void ColorChannelControl::onSubButtonClicked() {
  m_slider->setValue(m_slider->value() - 1);
}

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

void ColorChannelControl::setColor(const ColorModel &color) {
  m_color = color;
  m_slider->setColor(color);
  int value = color.getValue(m_channel);
  if (m_value != value) {
    bool signalEnabled = m_signalEnabled;
    m_signalEnabled    = false;
    m_value            = value;
    m_field->setText(QString::number(value));
    m_slider->setValue(value);
    m_signalEnabled = signalEnabled;
  }
}

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

void ColorChannelControl::onFieldChanged() {
  int value = m_field->text().toInt();
  if (m_value == value) return;
  m_value = value;
  m_slider->setValue(value);
  if (m_signalEnabled) {
    m_color.setValue(m_channel, value);
    emit colorChanged(m_color, false);
  }
}

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

void ColorChannelControl::onSliderChanged(int value) {
  if (m_value == value) return;
  m_value = value;
  m_field->setText(QString::number(value));
  if (m_signalEnabled) {
    m_color.setValue(m_channel, value);
    emit colorChanged(m_color, true);
  }
}

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

void ColorChannelControl::onSliderReleased() {
  emit colorChanged(m_color, false);
}

//*****************************************************************************
//    StyleEditorPage  implementation
//*****************************************************************************

StyleEditorPage::StyleEditorPage(QWidget *parent) : QFrame(parent) {
  setFocusPolicy(Qt::NoFocus);

  // It is necessary for the style sheets
  setObjectName("styleEditorPage");
  setFrameStyle(QFrame::StyledPanel);
}

//*****************************************************************************
//    ColorParameterSelector  implementation
//*****************************************************************************

ColorParameterSelector::ColorParameterSelector(QWidget *parent)
    : QWidget(parent)
    , m_index(-1)
    , m_chipSize(21, 21)
    , m_chipOrigin(0, 1)
    , m_chipDelta(21, 0) {}

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

void ColorParameterSelector::paintEvent(QPaintEvent *event) {
  if (m_colors.empty()) return;
  QPainter p(this);
  int i;
  QRect currentChipRect = QRect();
  for (i = 0; i < (int)m_colors.size(); i++) {
    QRect chipRect(m_chipOrigin + i * m_chipDelta, m_chipSize);
    p.fillRect(chipRect, m_colors[i]);
    if (i == m_index) currentChipRect = chipRect;
  }
  // Current index border
  if (!currentChipRect.isEmpty()) {
    p.setPen(QColor(199, 202, 50));
    p.drawRect(currentChipRect.adjusted(0, 0, -1, -1));
    p.setPen(Qt::white);
    p.drawRect(currentChipRect.adjusted(1, 1, -2, -2));
    p.setPen(Qt::black);
    p.drawRect(currentChipRect.adjusted(2, 2, -3, -3));
  }
}

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

void ColorParameterSelector::setStyle(const TColorStyle &style) {
  int count = style.getColorParamCount();
  if (count <= 1) {
    clear();
    return;
  }
  if (m_colors.size() != count) {
    m_index = 0;
    m_colors.resize(count);
  }
  int i;
  for (i = 0; i < count; i++) {
    TPixel32 color = style.getColorParamValue(i);
    m_colors[i]    = QColor(color.r, color.g, color.b, color.m);
  }
  update();
}

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

void ColorParameterSelector::clear() {
  if (m_colors.size() != 0) m_colors.clear();
  m_index = -1;
  update();
}

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

void ColorParameterSelector::mousePressEvent(QMouseEvent *event) {
  QPoint pos = event->pos() - m_chipOrigin;
  int index  = pos.x() / m_chipDelta.x();
  QRect chipRect(index * m_chipDelta, m_chipSize);
  if (chipRect.contains(pos)) {
    m_index = index;
    emit colorParamChanged();
    update();
  }
}

//*****************************************************************************
//    PlainColorPage  implementation
//*****************************************************************************

PlainColorPage::PlainColorPage(QWidget *parent)
    : StyleEditorPage(parent), m_color(), m_signalEnabled(true) {
  setFocusPolicy(Qt::NoFocus);

  // m_squaredColorWheel = new SquaredColorWheel(this);

  // m_verticalSlider = new ColorSliderBar(this, Qt::Vertical);

  m_hexagonalColorWheel = new HexagonalColorWheel(this);

  /*
  QButtonGroup *channelButtonGroup = new QButtonGroup();
  int i;
  for (i = 0; i<7; i++)
  {
          if (i != (int)eAlpha)
          {
                  QRadioButton *button = new QRadioButton(this);
                  m_modeButtons[i] = button;
                  if (i == 0) button->setChecked(true);
                  channelButtonGroup->addButton(button, i);
                  //slidersLayout->addWidget(button,i,0);
                  //とりあえず隠す
                  m_modeButtons[i]->hide();
          }
          else
                  m_modeButtons[i] = 0;

          m_channelControls[i] = new ColorChannelControl((ColorChannel)i, this);
          m_channelControls[i]->setColor(m_color);
          bool ret = connect(m_channelControls[i], SIGNAL(colorChanged(const
  ColorModel &, bool)),
                  this, SLOT(onControlChanged(const ColorModel &, bool)));
  }
  */
  for (int i = 0; i < 7; i++) {
    m_channelControls[i] = new ColorChannelControl((ColorChannel)i, this);
    m_channelControls[i]->setColor(m_color);
    bool ret = connect(m_channelControls[i],
                       SIGNAL(colorChanged(const ColorModel &, bool)), this,
                       SLOT(onControlChanged(const ColorModel &, bool)));
  }

  m_wheelFrame = new QFrame(this);
  m_hsvFrame   = new QFrame(this);
  m_alphaFrame = new QFrame(this);
  m_rgbFrame   = new QFrame(this);

  m_slidersContainer = new QFrame(this);
  m_vSplitter        = new QSplitter(this);

  //プロパティの設定
  // channelButtonGroup->setExclusive(true);

  m_wheelFrame->setObjectName("PlainColorPageParts");
  m_hsvFrame->setObjectName("PlainColorPageParts");
  m_alphaFrame->setObjectName("PlainColorPageParts");
  m_rgbFrame->setObjectName("PlainColorPageParts");

  m_vSplitter->setOrientation(Qt::Vertical);
  m_vSplitter->setFocusPolicy(Qt::NoFocus);

  // m_verticalSlider->hide();
  // m_squaredColorWheel->hide();
  // m_ghibliColorWheel->hide();

  // layout
  QVBoxLayout *mainLayout = new QVBoxLayout();
  mainLayout->setSpacing(0);
  mainLayout->setMargin(0);
  {
    QHBoxLayout *wheelLayout = new QHBoxLayout();
    wheelLayout->setMargin(5);
    wheelLayout->setSpacing(0);
    { wheelLayout->addWidget(m_hexagonalColorWheel); }
    m_wheelFrame->setLayout(wheelLayout);
    m_vSplitter->addWidget(m_wheelFrame);

    QVBoxLayout *slidersLayout = new QVBoxLayout();
    slidersLayout->setMargin(0);
    slidersLayout->setSpacing(0);
    {
      QVBoxLayout *hsvLayout = new QVBoxLayout();
      hsvLayout->setMargin(4);
      hsvLayout->setSpacing(4);
      {
        hsvLayout->addWidget(m_channelControls[eHue]);
        hsvLayout->addWidget(m_channelControls[eSaturation]);
        hsvLayout->addWidget(m_channelControls[eValue]);
      }
      m_hsvFrame->setLayout(hsvLayout);
      slidersLayout->addWidget(m_hsvFrame, 3);

      QVBoxLayout *alphaLayout = new QVBoxLayout();
      alphaLayout->setMargin(4);
      alphaLayout->setSpacing(4);
      { alphaLayout->addWidget(m_channelControls[eAlpha]); }
      m_alphaFrame->setLayout(alphaLayout);
      slidersLayout->addWidget(m_alphaFrame, 1);

      QVBoxLayout *rgbLayout = new QVBoxLayout();
      rgbLayout->setMargin(4);
      rgbLayout->setSpacing(4);
      {
        rgbLayout->addWidget(m_channelControls[eRed]);
        rgbLayout->addWidget(m_channelControls[eGreen]);
        rgbLayout->addWidget(m_channelControls[eBlue]);
      }
      m_rgbFrame->setLayout(rgbLayout);
      slidersLayout->addWidget(m_rgbFrame, 3);
    }
    m_slidersContainer->setLayout(slidersLayout);
    m_vSplitter->addWidget(m_slidersContainer);

    mainLayout->addWidget(m_vSplitter, 1);
  }
  setLayout(mainLayout);

  QList<int> list;
  list << rect().height() / 2 << rect().height() / 2;
  m_vSplitter->setSizes(list);

  // connect(m_squaredColorWheel, SIGNAL(colorChanged(const ColorModel &,
  // bool)),
  //	this, SLOT(onWheelChanged(const ColorModel &, bool)));
  connect(m_hexagonalColorWheel, SIGNAL(colorChanged(const ColorModel &, bool)),
          this, SLOT(onWheelChanged(const ColorModel &, bool)));
  // m_verticalSlider->setMaximumSize(20,150);
  // connect(m_verticalSlider, SIGNAL(valueChanged(int)), this,
  // SLOT(onWheelSliderChanged(int)));
  // connect(m_verticalSlider, SIGNAL(valueChanged()), this,
  // SLOT(onWheelSliderReleased()));
  // connect( m_verticalSlider,		SIGNAL(sliderReleased()),	this,
  // SLOT(onWheelSliderReleased()));
  // connect(channelButtonGroup, SIGNAL(buttonClicked(int)), this,
  // SLOT(setWheelChannel(int)));
}

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

void PlainColorPage::resizeEvent(QResizeEvent *) {
  int w = width();
  int h = height();

  int parentW = parentWidget()->width();
}

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

void PlainColorPage::updateControls() {
  int i;
  for (i = 0; i < 7; i++) {
    m_channelControls[i]->setColor(m_color);
    m_channelControls[i]->update();
  }
  /*
  m_squaredColorWheel->setColor(m_color);
  m_squaredColorWheel->update();
  */

  m_hexagonalColorWheel->setColor(m_color);
  m_hexagonalColorWheel->update();

  /*
bool signalsBlocked = m_verticalSlider->blockSignals(true);
  m_verticalSlider->setColor(m_color);
int value = m_color.getValue(m_verticalSlider->getChannel());
m_verticalSlider->setValue(value);
  m_verticalSlider->update();
m_verticalSlider->blockSignals(signalsBlocked);
*/
}

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

void PlainColorPage::setColor(const TColorStyle &style,
                              int colorParameterIndex) {
  TPixel32 newPixel = style.getColorParamValue(colorParameterIndex);
  if (m_color.getTPixel() == newPixel) return;
  bool oldSignalEnabled = m_signalEnabled;
  m_signalEnabled       = false;
  m_color.setTPixel(newPixel);
  updateControls();
  m_signalEnabled = oldSignalEnabled;
}

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

void PlainColorPage::setIsVertical(bool isVertical) {
  // if (m_isVertical == isVertical) return;
  // not returning even if it already is the same orientation
  // to take advantage of the resizing here
  // this is useful for the first time the splitter is set
  // afterwards, it will be overridden by the saved state
  // from settings.
  m_isVertical = isVertical;
  if (isVertical) {
    m_vSplitter->setOrientation(Qt::Vertical);
    QList<int> sectionSizes;
    // maximize color wheel space
    sectionSizes << height() - 1 << 1;
    m_vSplitter->setSizes(sectionSizes);
  } else {
    m_vSplitter->setOrientation(Qt::Horizontal);
    QList<int> sectionSizes;
    sectionSizes << width() / 2 << width() / 2;
    m_vSplitter->setSizes(sectionSizes);
  }
}

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

void PlainColorPage::toggleOrientation() { setIsVertical(!m_isVertical); }

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

QByteArray PlainColorPage::getSplitterState() {
  return m_vSplitter->saveState();
}

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

void PlainColorPage::setSplitterState(QByteArray state) {
  m_vSplitter->restoreState(state);
}

//-----------------------------------------------------------------------------
/*
void PlainColorPage::setWheelChannel(int channel)
{
        assert(0<=channel && channel<7);
        m_squaredColorWheel->setChannel(channel);
  bool signalsBlocked = m_verticalSlider->signalsBlocked();
        m_verticalSlider->blockSignals(true);
        m_verticalSlider->setChannel((ColorChannel)channel);
  m_verticalSlider->setRange(0,ChannelMaxValues[channel]);
  m_verticalSlider->setValue(m_color.getValue((ColorChannel)channel));
  m_verticalSlider->update();
  m_verticalSlider->blockSignals(signalsBlocked);
}
*/
//-----------------------------------------------------------------------------

void PlainColorPage::onControlChanged(const ColorModel &color,
                                      bool isDragging) {
  if (!(m_color == color)) {
    m_color = color;
    updateControls();
  }

  if (m_signalEnabled) emit colorChanged(m_color, isDragging);
}

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

void PlainColorPage::onWheelChanged(const ColorModel &color, bool isDragging) {
  if (!(m_color == color)) {
    m_color = color;
    updateControls();
  }
  if (m_signalEnabled) emit colorChanged(m_color, isDragging);
}

//-----------------------------------------------------------------------------
/*
void PlainColorPage::onWheelSliderChanged(int value)
{
        if(m_color.getValue(m_verticalSlider->getChannel()) == value) return;
        m_color.setValue(m_verticalSlider->getChannel(), value);
  updateControls();
  if(m_signalEnabled)
    emit colorChanged(m_color, true);
}
*/
//-----------------------------------------------------------------------------
/*
void PlainColorPage::onWheelSliderReleased()
{
  emit colorChanged(m_color, false);
}
*/

//*****************************************************************************
//    StyleChooserPage  implementation
//*****************************************************************************

TFilePath StyleChooserPage::m_rootPath;

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

StyleChooserPage::StyleChooserPage(QWidget *parent)
    : StyleEditorPage(parent)
    , m_chipOrigin(5, 3)
    , m_chipSize(25, 25)
    , m_chipPerRow(0)
    , m_currentIndex(-1) {}

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

void StyleChooserPage::paintEvent(QPaintEvent *) {
  if (loadIfNeeded()) computeSize();

  QPainter p(this);
  // p.setRenderHint(QPainter::SmoothPixmapTransform);
  if (m_chipPerRow == 0 || getChipCount() == 0) return;

  int w      = parentWidget()->width();
  int chipLx = m_chipSize.width(), chipLy = m_chipSize.height();
  int nX = m_chipPerRow;
  int nY = (getChipCount() + m_chipPerRow - 1) / m_chipPerRow;
  int x0 = m_chipOrigin.x();
  int y0 = m_chipOrigin.y();
  int i, j;
  QRect currentIndexRect = QRect();
  int count              = 0;
  for (i = 0; i < nY; i++)
    for (j = 0; j < nX; j++) {
      QRect rect(x0 + chipLx * j + 2, y0 + chipLy * i + 2, chipLx, chipLy);

      drawChip(p, rect, count);
      p.setPen(Qt::black);
      p.drawRect(rect);

      if (m_currentIndex == count) currentIndexRect = rect;

      count++;
      if (count >= getChipCount()) break;
    }

  if (!currentIndexRect.isEmpty()) {
    // Draw the curentIndex border
    p.setPen(Qt::white);
    p.drawRect(currentIndexRect);
    p.setPen(QColor(199, 202, 50));
    p.drawRect(currentIndexRect.adjusted(1, 1, -1, -1));
    p.setPen(Qt::white);
    p.drawRect(currentIndexRect.adjusted(2, 2, -2, -2));
    p.setPen(Qt::black);
    p.drawRect(currentIndexRect.adjusted(3, 3, -3, -3));
  }
}

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

void StyleChooserPage::computeSize() {
  int w        = width();
  m_chipPerRow = (w - 15) / m_chipSize.width();
  int rowCount = 0;
  if (m_chipPerRow != 0)
    rowCount = (getChipCount() + m_chipPerRow - 1) / m_chipPerRow;
  setMinimumSize(3 * m_chipSize.width(), rowCount * m_chipSize.height() + 10);
  update();
}

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

int StyleChooserPage::posToIndex(const QPoint &pos) const {
  if (m_chipPerRow == 0) return -1;

  int x = (pos.x() - m_chipOrigin.x() - 2) / m_chipSize.width();
  if (x >= m_chipPerRow) return -1;

  int y = (pos.y() - m_chipOrigin.y() - 2) / m_chipSize.height();

  int index = x + m_chipPerRow * y;
  if (index < 0 || index >= getChipCount()) return -1;

  return index;
}

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

void StyleChooserPage::mousePressEvent(QMouseEvent *event) {
  QPoint pos       = event->pos();
  int currentIndex = posToIndex(pos);
  if (currentIndex < 0) return;
  m_currentIndex = currentIndex;
  onSelect(currentIndex);

  update();
}

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

void StyleChooserPage::mouseReleaseEvent(QMouseEvent *event) {}

//-----------------------------------------------------------------------------
// TOGLIERE
void StyleChooserPage::setRootPath(const TFilePath &rootPath) {
  m_rootPath = rootPath;
}

//*****************************************************************************
//    CustomStyleChooser  definition
//*****************************************************************************

class CustomStyleChooserPage final : public StyleChooserPage {
public:
  CustomStyleChooserPage(QWidget *parent = 0) : StyleChooserPage(parent) {}

  static CustomStyleManager *styleManager();

  bool event(QEvent *e) override;

  void showEvent(QShowEvent *) override {
    connect(styleManager(), SIGNAL(patternAdded()), this, SLOT(computeSize()));
    styleManager()->loadItems();
  }
  void hideEvent(QHideEvent *) override {
    disconnect(styleManager(), SIGNAL(patternAdded()), this,
               SLOT(computeSize()));
  }
  bool loadIfNeeded() override { return false; }  // serve?
  /*
if(!m_loaded) {loadItems(); m_loaded=true;return true;}
else return false;
}
  */

  int getChipCount() const override {
    return styleManager()->getPatternCount();
  }

  void drawChip(QPainter &p, QRect rect, int index) override {
    assert(0 <= index && index < getChipCount());
    CustomStyleManager::PatternData pattern = styleManager()->getPattern(index);
    p.drawImage(rect, *pattern.m_image);
  }
  void onSelect(int index) override;
};

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

CustomStyleManager *CustomStyleChooserPage::styleManager() {
  static const QString filters(
      "*.pli *.tif *.png *.tga *.tiff *.sgi *.rgb *.pct *.pic");
  static CustomStyleManager theManager(TFilePath("custom styles"), filters);
  return &theManager;
}

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

bool CustomStyleChooserPage::event(QEvent *e) {
  // Intercept tooltip events
  if (e->type() != QEvent::ToolTip) return StyleChooserPage::event(e);

  // see StyleChooserPage::paintEvent
  CustomStyleManager *manager = styleManager();
  QHelpEvent *he              = static_cast<QHelpEvent *>(e);

  int chipIdx = posToIndex(he->pos()), chipCount = manager->getPatternCount();
  if (chipIdx < 0 || chipIdx >= chipCount) return false;

  CustomStyleManager::PatternData pattern = manager->getPattern(chipIdx);
  QToolTip::showText(he->globalPos(),
                     QString::fromStdString(pattern.m_patternName));

  return true;
}

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

void CustomStyleChooserPage::onSelect(int index) {
  if (index < 0 || index >= getChipCount()) return;

  CustomStyleManager::PatternData pattern = styleManager()->getPattern(index);

  if (m_currentIndex < 0) return;

  std::string name = pattern.m_patternName;
  if (pattern.m_isVector) {
    TVectorImagePatternStrokeStyle cs(name);
    emit styleSelected(cs);
  } else {
    TRasterImagePatternStrokeStyle cs(name);
    emit styleSelected(cs);
  }
}

//*****************************************************************************
//    VectorBrushStyleChooser  definition
//*****************************************************************************

class VectorBrushStyleChooserPage final : public StyleChooserPage {
public:
  VectorBrushStyleChooserPage(QWidget *parent = 0) : StyleChooserPage(parent) {
    m_chipSize = QSize(60, 25);
  }

  static CustomStyleManager *styleManager();

  bool event(QEvent *e) override;

  void showEvent(QShowEvent *) override {
    connect(styleManager(), SIGNAL(patternAdded()), this, SLOT(computeSize()));
    styleManager()->loadItems();
  }
  void hideEvent(QHideEvent *) override {
    disconnect(styleManager(), SIGNAL(patternAdded()), this,
               SLOT(computeSize()));
  }
  bool loadIfNeeded() override { return false; }

  int getChipCount() const override {
    return styleManager()->getPatternCount() + 1;
  }

  void drawChip(QPainter &p, QRect rect, int index) override;
  void onSelect(int index) override;
};

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

CustomStyleManager *VectorBrushStyleChooserPage::styleManager() {
  static CustomStyleManager theManager(TFilePath("vector brushes"), "*.pli",
                                       QSize(60, 25));
  return &theManager;
}

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

bool VectorBrushStyleChooserPage::event(QEvent *e) {
  // Intercept tooltip events
  if (e->type() != QEvent::ToolTip) return StyleChooserPage::event(e);

  // see StyleChooserPage::paintEvent
  CustomStyleManager *manager = styleManager();
  QHelpEvent *he              = static_cast<QHelpEvent *>(e);

  int chipIdx = posToIndex(he->pos()), chipCount = getChipCount();
  if (chipIdx < 0 || chipIdx >= chipCount) return false;

  if (chipIdx > 0) {
    CustomStyleManager::PatternData pattern = manager->getPattern(chipIdx - 1);
    QToolTip::showText(he->globalPos(),
                       QString::fromStdString(pattern.m_patternName));
  } else
    QToolTip::showText(he->globalPos(), tr("Plain color"));

  return true;
}

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

void VectorBrushStyleChooserPage::drawChip(QPainter &p, QRect rect, int index) {
  if (index == 0) {
    static QImage noSpecialStyleImage(":Resources/no_vectorbrush.png");
    p.drawImage(rect, noSpecialStyleImage);
  } else {
    assert(0 <= index && index < getChipCount());
    CustomStyleManager::PatternData pattern =
        styleManager()->getPattern(index - 1);
    p.drawImage(rect, *pattern.m_image);
  }
}

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

void VectorBrushStyleChooserPage::onSelect(int index) {
  if (index < 0 || index >= getChipCount()) return;

  if (index > 0) {
    --index;

    CustomStyleManager::PatternData pattern = styleManager()->getPattern(index);

    if (m_currentIndex < 0) return;

    std::string name = pattern.m_patternName;
    assert(pattern.m_isVector);
    if (!pattern.m_isVector) return;

    TVectorBrushStyle cs(name);
    emit styleSelected(cs);
  } else {
    TSolidColorStyle cs(TPixel32::Black);
    emit styleSelected(cs);
  }
}

//*****************************************************************************
//    TextureStyleChooser  definition
//*****************************************************************************

struct Texture {
  TRasterP m_raster;
  QString m_name;
};

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

class TextureStyleChooserPage final : public StyleChooserPage {
  static std::vector<Texture> m_textures;
  static bool m_loaded;

public:
  TextureStyleChooserPage(QWidget *parent = 0) : StyleChooserPage(parent) {}

  bool loadIfNeeded() override {
    if (!m_loaded) {
      loadItems();
      m_loaded = true;
      return true;
    } else
      return false;
  }

  int getChipCount() const override { return m_textures.size(); }

  static void loadTexture(const TFilePath &fp);
  static void loadItems();

  void drawChip(QPainter &p, QRect rect, int index) override {
    assert(0 <= index && index < getChipCount());
    p.drawImage(rect, rasterToQImage(m_textures[index].m_raster));
  }

  void onSelect(int index) override;

  bool event(QEvent *e) override;
};

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

std::vector<Texture> TextureStyleChooserPage::m_textures;
bool TextureStyleChooserPage::m_loaded(false);

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

void TextureStyleChooserPage::loadTexture(const TFilePath &fp) {
  if (fp == TFilePath()) {
    TRaster32P ras(25, 25);
    TTextureStyle::fillCustomTextureIcon(ras);
    // ras->fill(TPixel::Blue);
    Texture customText = {ras, QString("")};

    m_textures.push_back(customText);
    return;
  }

  TRasterP ras;
  TImageReader::load(fp, ras);
  if (!ras || ras->getLx() < 2 || ras->getLy() < 2) return;

  TRaster32P ras32 = ras;
  if (!ras32) return;

  TDimension d(2, 2);
  while (d.lx < 256 && d.lx * 2 <= ras32->getLx()) d.lx *= 2;
  while (d.ly < 256 && d.ly * 2 <= ras32->getLy()) d.ly *= 2;

  TRaster32P texture;
  if (d == ras32->getSize())
    texture = ras32;
  else {
    texture = TRaster32P(d);
    TScale sc((double)texture->getLx() / ras32->getLx(),
              (double)texture->getLy() / ras32->getLy());
    TRop::resample(texture, ras32, sc);
  }

  Texture text = {texture, QString::fromStdWString(fp.getLevelNameW())};

  m_textures.push_back(text);
}

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

void TextureStyleChooserPage::loadItems() {
  m_textures.clear();
  if (getRootPath() == TFilePath()) return;
  TFilePath texturePath = getRootPath() + "textures";
  TFilePathSet fps;
  try {
    fps = TSystem::readDirectory(texturePath);
  } catch (...) {
    return;
  }
  if (fps.empty()) return;
  int count = 0;
  for (TFilePathSet::iterator it = fps.begin(); it != fps.end(); it++)
    if (TFileType::getInfo(*it) == TFileType::RASTER_IMAGE) {
      try {
        loadTexture(*it);
        ++count;
      } catch (...) {
      }
    }
  loadTexture(TFilePath());  // custom texture
}

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

void TextureStyleChooserPage::onSelect(int index) {
  assert(0 <= index && index < (int)m_textures.size());

  TTextureStyle style(m_textures[index].m_raster,
                      TFilePath(m_textures[index].m_name.toStdWString()));
  emit styleSelected(style);
}

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

bool TextureStyleChooserPage::event(QEvent *e) {
  if (e->type() == QEvent::ToolTip) {
    QHelpEvent *helpEvent = dynamic_cast<QHelpEvent *>(e);
    QString toolTip;
    QPoint pos = helpEvent->pos();
    int index  = posToIndex(pos);
    if (index >= 0 && index < (int)m_textures.size()) {
      toolTip = m_textures[index].m_name;
      QToolTip::showText(helpEvent->globalPos(),
                         toolTip != QString() ? toolTip : "Custom Texture");
    }
    e->accept();
  }
  return StyleChooserPage::event(e);
}

//*****************************************************************************
//    MyPaintBrushStyleChooserPage definition
//*****************************************************************************

class MyPaintBrushStyleChooserPage final : public StyleChooserPage {
public:
  struct Brush {
    TRasterP m_raster;
    QString m_name;
  };

private:
  static std::vector<TMyPaintBrushStyle> m_brushes;

public:
  MyPaintBrushStyleChooserPage(QWidget *parent = 0) : StyleChooserPage(parent) {
    m_chipSize = QSize(64, 64);
  }

  bool loadIfNeeded() override {
    static bool m_loaded = false;
    if (!m_loaded) {
      loadItems();
      m_loaded = true;
      return true;
    } else
      return false;
  }

  int getChipCount() const override { return m_brushes.size() + 1; }

  static void loadItems();

  void drawChip(QPainter &p, QRect rect, int index) override {
    assert(0 <= index && index <= (int)m_brushes.size());
    static QImage noStyleImage(":Resources/no_mypaintbrush.png");
    p.drawImage(rect, index == 0
                          ? noStyleImage
                          : rasterToQImage(m_brushes[index - 1].getPreview()));
  }

  void onSelect(int index) override {
    assert(0 <= index && index <= (int)m_brushes.size());
    static TSolidColorStyle noStyle(TPixel32::Black);
    if (index == 0) {
      emit styleSelected(noStyle);
    } else {
      emit styleSelected(m_brushes[index - 1]);
    }
  }

  bool event(QEvent *e) override {
    static TSolidColorStyle noStyle(TPixel32::Black);
    if (e->type() == QEvent::ToolTip) {
      QHelpEvent *helpEvent = dynamic_cast<QHelpEvent *>(e);
      QString toolTip;
      QPoint pos = helpEvent->pos();
      int index  = posToIndex(pos);
      if (index == 0) {
        toolTip = tr("Plain color");
      } else if (index > 0 && index <= (int)m_brushes.size()) {
        toolTip = m_brushes[index - 1].getPath().getQString();
      }
      QToolTip::showText(helpEvent->globalPos(), toolTip);
      e->accept();
    }
    return StyleChooserPage::event(e);
  }
};

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

std::vector<TMyPaintBrushStyle> MyPaintBrushStyleChooserPage::m_brushes;

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

void MyPaintBrushStyleChooserPage::loadItems() {
  m_brushes.clear();
  std::set<TFilePath> brushFiles;

  TFilePathSet dirs = TMyPaintBrushStyle::getBrushesDirs();
  for (TFilePathSet::iterator i = dirs.begin(); i != dirs.end(); ++i) {
    TFileStatus fs(*i);
    if (fs.doesExist() && fs.isDirectory()) {
      TFilePathSet files = TSystem::readDirectoryTree(*i, false, true);
      for (TFilePathSet::iterator j = files.begin(); j != files.end(); ++j)
        if (j->getType() == TMyPaintBrushStyle::getBrushType())
          brushFiles.insert(*j - *i);
    }
  }

  // reserve memory to avoid reallocation
  m_brushes.reserve(brushFiles.size());
  for (std::set<TFilePath>::iterator i = brushFiles.begin();
       i != brushFiles.end(); ++i)
    m_brushes.push_back(TMyPaintBrushStyle(*i));
}

//*****************************************************************************
//    SpecialStyleChooser  definition
//*****************************************************************************

class SpecialStyleChooserPage final : public StyleChooserPage {
  static std::vector<std::pair<int, QImage *>> m_customStyles;
  static bool m_loaded;

public:
  SpecialStyleChooserPage(QWidget *parent          = 0,
                          const TFilePath &rootDir = TFilePath())
      : StyleChooserPage(parent) {}

  bool loadIfNeeded() override {
    if (!m_loaded) {
      loadItems();
      m_loaded = true;
      return true;
    } else
      return false;
  }
  int getChipCount() const override { return m_customStyles.size(); }

  void loadItems();

  void drawChip(QPainter &p, QRect rect, int index) override;
  void onSelect(int index) override;
  bool event(QEvent *e) override;
};

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

std::vector<std::pair<int, QImage *>> SpecialStyleChooserPage::m_customStyles;
bool SpecialStyleChooserPage::m_loaded(false);

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

void SpecialStyleChooserPage::loadItems() {
  std::vector<int> tags;
  TColorStyle::getAllTags(tags);

  int chipCount = 0;

  for (int j = 0; j < (int)tags.size(); j++) {
    int tagId = tags[j];
    if (tagId == 3 ||     // solid color
        tagId == 4 ||     // texture
        tagId == 100 ||   // obsolete imagepattern id
        tagId == 2000 ||  // imagepattern
        tagId == 2800 ||  // imagepattern
        tagId == 2001 ||  // cleanup
        tagId == 2002 ||  // ??
        tagId == 3000 ||  // vector brush
        tagId == 4001     // mypaint brush
        )
      continue;

    TColorStyle *style = TColorStyle::create(tagId);
    if (style->isRasterStyle()) {
      delete style;
      continue;
    }
    TDimension chipSize(getChipSize().width(), getChipSize().height());
    QImage *image = new QImage(rasterToQImage(style->getIcon(chipSize), false));
    m_customStyles.push_back(std::make_pair(tagId, image));
    delete style;
  }
}

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

void SpecialStyleChooserPage::drawChip(QPainter &p, QRect rect, int index) {
  if (index == 0) {
    static QImage noSpecialStyleImage(":Resources/no_specialstyle.png");
    p.drawImage(rect, noSpecialStyleImage);
  } else {
    int j = index - 1;
    if (0 <= j && j < (int)m_customStyles.size())
      p.drawImage(rect, *m_customStyles[j].second);
    else
      p.fillRect(rect, QBrush(QColor(255, 0, 0)));
  }
}

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

void SpecialStyleChooserPage::onSelect(int index) {
  assert(0 <= index && index < (int)m_customStyles.size());
  TColorStyle *cs = 0;
  if (m_currentIndex < 0) return;
  if (index == 0)
    cs = new TSolidColorStyle(TPixel32::Black);
  else {
    int j = index - 1;
    assert(0 <= j && j < (int)m_customStyles.size());
    int tagId = m_customStyles[j].first;
    cs        = TColorStyle::create(tagId);
  }
  emit styleSelected(*cs);
}

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

bool SpecialStyleChooserPage::event(QEvent *e) {
  if (e->type() == QEvent::ToolTip) {
    QHelpEvent *helpEvent = dynamic_cast<QHelpEvent *>(e);
    QString toolTip;
    QPoint pos = helpEvent->pos();
    int index  = posToIndex(pos);
    if (index == 0)
      toolTip = tr("Plain color");
    else {
      int j = index - 1;
      if (0 <= j && j < (int)m_customStyles.size()) {
        int tagId       = m_customStyles[j].first;
        TColorStyle *cs = TColorStyle::create(tagId);
        if (cs) {
          toolTip = cs->getDescription();
          delete cs;
        }
      }
    }
    if (toolTip != "")
      QToolTip::showText(helpEvent->globalPos(), toolTip);
    else
      QToolTip::hideText();
    e->accept();
  }
  return StyleChooserPage::event(e);
}

//=============================================================================
// SettingBox
//-----------------------------------------------------------------------------
/*
SettingBox::SettingBox(QWidget *parent, int index)
: QWidget(parent)
, m_index(index)
, m_style(0)
{
        QHBoxLayout* hLayout = new QHBoxLayout(this);
        hLayout->setSpacing(5);
        hLayout->setMargin(0);
        hLayout->addSpacing(10);
        m_name = new QLabel(this);
        m_name->setFixedSize(82,20);
        m_name->setStyleSheet("border: 0px;");
        hLayout->addWidget(m_name,0);
        m_doubleField = new DoubleField(this, true);
        hLayout->addWidget(m_doubleField,1);
        hLayout->addSpacing(10);
        bool ret = connect(m_doubleField, SIGNAL(valueChanged(bool)), this,
SLOT(onValueChanged(bool)));
  assert(ret);
        setLayout(hLayout);
        setFixedHeight(22);
}

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

void SettingBox::setParameters(TColorStyle* cs)
{
        if(!cs)
        {
                m_style = cs;
                return;
        }
        if(cs->getParamCount() == 0 || m_index<0 ||
cs->getParamCount()<=m_index)
                return;
        QString paramName = cs->getParamNames(m_index);
        m_name->setText(paramName);
   double newValue = cs->getParamValue(TColorStyle::double_tag(), m_index);
        double value = m_doubleField->getValue();
        m_style = cs;
        if(value != newValue)
        {
                double min=0, max=1;
                cs->getParamRange(m_index,min,max);
                m_doubleField->setValues(newValue, min, max);
        }
        TCleanupStyle* cleanupStyle = dynamic_cast<TCleanupStyle*>(cs);
        if(paramName == "Contrast" && cleanupStyle)
        {
                if(!cleanupStyle->isContrastEnabled())
                        m_doubleField->setEnabled(false);
                else
                        m_doubleField->setEnabled(true);
        }
        update();
}

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

void SettingBox::setColorStyleParam(double value, bool isDragging)
{
  TColorStyle* style = m_style;
  assert(style && m_index < style->getParamCount());

  double min = 0.0, max = 1.0;
  style->getParamRange(m_index, min, max);

  style->setParamValue(m_index, tcrop(value, min, max));

  emit valueChanged(*style, isDragging);
}

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

void SettingBox::onValueChanged(bool isDragging)
{
        if(!m_style || m_style->getParamCount() == 0)
                return;

        double value = m_doubleField->getValue();
        if(isDragging && m_style->getParamValue(TColorStyle::double_tag(),
m_index) == value)
                return;

        setColorStyleParam(value, isDragging);
}
*/

//*****************************************************************************
//    SettingsPage  implementation
//*****************************************************************************

SettingsPage::SettingsPage(QWidget *parent)
    : QScrollArea(parent), m_updating(false) {
  bool ret = true;

  setObjectName("styleEditorPage");  // It is necessary for the styleSheet
  setFrameStyle(QFrame::StyledPanel);

  setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  setWidgetResizable(true);

  // Build the scrolled widget
  QFrame *paramsContainer = new QFrame(this);
  setWidget(paramsContainer);

  QVBoxLayout *paramsContainerLayout = new QVBoxLayout(this);
  paramsContainer->setLayout(paramsContainerLayout);

  // Add a vertical layout to store the "autofill" checkbox widgets
  {
    m_autopaintToggleBox = new QWidget(this);
    // box->setFixedHeight(22);
    paramsContainerLayout->addWidget(m_autopaintToggleBox);

    QHBoxLayout *hLayout = new QHBoxLayout;
    m_autopaintToggleBox->setLayout(hLayout);

    hLayout->setSpacing(5);
    hLayout->setMargin(0);
    hLayout->addSpacing(98);

    m_autoFillCheckBox = new QCheckBox;
    hLayout->addWidget(m_autoFillCheckBox);

    QLabel *label =
        new QLabel(StyleEditorGUI::SettingsPage::tr("Autopaint for Lines"));
    hLayout->addWidget(label);

    hLayout->addStretch();

    ret = connect(m_autoFillCheckBox, SIGNAL(stateChanged(int)), this,
                  SLOT(onAutofillChanged()));
    assert(ret);
  }

  // Prepare the style parameters layout
  m_paramsLayout = new QGridLayout;
  paramsContainerLayout->addLayout(m_paramsLayout);

  paramsContainerLayout->addStretch();
}

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

void SettingsPage::enableAutopaintToggle(bool enabled) {
  m_autopaintToggleBox->setVisible(enabled);
}

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

void SettingsPage::setStyle(const TColorStyleP &editedStyle) {
  struct locals {
    inline static void clearLayout(QLayout *layout) {
      QLayoutItem *item;
      while ((item = layout->takeAt(0)) != 0) {
        delete item->layout();
        delete item->spacerItem();
        delete item->widget();
        delete item;
      }
    }
  };  // locals

  // NOTE: Layout reubilds must be avoided whenever possible. In particular, be
  // warned that this
  // function may be invoked when signals emitted from this function are still
  // "flying"...

  bool clearLayout =
      m_editedStyle &&
      !(editedStyle && typeid(*m_editedStyle) == typeid(*editedStyle));
  bool buildLayout =
      editedStyle &&
      !(m_editedStyle && typeid(*m_editedStyle) == typeid(*editedStyle));

  m_editedStyle = editedStyle;

  if (clearLayout) locals::clearLayout(m_paramsLayout);

  if (buildLayout) {
    assert(m_paramsLayout->count() == 0);

    // Assign new settings widgets - one label/editor for each parameter
    bool ret = true;

    int p, pCount = editedStyle->getParamCount();
    for (p = 0; p != pCount; ++p) {
      // Assign label
      QLabel *label = new QLabel(editedStyle->getParamNames(p));
      m_paramsLayout->addWidget(label, p, 0);

      // Assign parameter
      switch (editedStyle->getParamType(p)) {
      case TColorStyle::BOOL: {
        QCheckBox *checkBox = new QCheckBox;
        m_paramsLayout->addWidget(checkBox, p, 1);

        ret = QObject::connect(checkBox, SIGNAL(toggled(bool)), this,
                               SLOT(onValueChanged())) &&
              ret;

        break;
      }

      case TColorStyle::INT: {
        DVGui::IntField *intField = new DVGui::IntField;
        m_paramsLayout->addWidget(intField, p, 1);

        int min, max;
        m_editedStyle->getParamRange(p, min, max);

        intField->setRange(min, max);

        ret = QObject::connect(intField, SIGNAL(valueChanged(bool)), this,
                               SLOT(onValueChanged(bool))) &&
              ret;

        break;
      }

      case TColorStyle::ENUM: {
        QComboBox *comboBox = new QComboBox;
        m_paramsLayout->addWidget(comboBox, p, 1);

        QStringList items;
        m_editedStyle->getParamRange(p, items);

        comboBox->addItems(items);

        ret = QObject::connect(comboBox, SIGNAL(currentIndexChanged(int)), this,
                               SLOT(onValueChanged())) &&
              ret;

        break;
      }

      case TColorStyle::DOUBLE: {
        DVGui::DoubleField *doubleField = new DVGui::DoubleField;
        m_paramsLayout->addWidget(doubleField, p, 1);

        double min, max;
        m_editedStyle->getParamRange(p, min, max);

        doubleField->setRange(min, max);

        ret = QObject::connect(doubleField, SIGNAL(valueChanged(bool)), this,
                               SLOT(onValueChanged(bool))) &&
              ret;

        break;
      }

      case TColorStyle::FILEPATH: {
        DVGui::FileField *fileField = new DVGui::FileField;
        m_paramsLayout->addWidget(fileField, p, 1);

        QStringList extensions;
        m_editedStyle->getParamRange(p, extensions);

        fileField->setFileMode(QFileDialog::AnyFile);
        fileField->setFilters(extensions);

        fileField->setPath(QString::fromStdWString(
            editedStyle->getParamValue(TColorStyle::TFilePath_tag(), p)
                .getWideString()));

        ret = QObject::connect(fileField, SIGNAL(pathChanged()), this,
                               SLOT(onValueChanged())) &&
              ret;

        break;
      }
      }

      // "reset to default" button
      if (m_editedStyle->hasParamDefault(p)) {
        QPushButton *pushButton = new QPushButton;
        pushButton->setToolTip(tr("Reset to default"));
        pushButton->setIcon(createQIcon("delete"));
        m_paramsLayout->addWidget(pushButton, p, 2);
        ret = QObject::connect(pushButton, SIGNAL(clicked(bool)), this,
                               SLOT(onValueReset())) &&
              ret;
      }

      assert(ret);
    }
  }

  updateValues();
}

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

void SettingsPage::updateValues() {
  if (!m_editedStyle) return;

  struct Updating {
    SettingsPage *m_this;  // Prevent 'param changed' signals from being
    ~Updating() {
      m_this->m_updating = false;
    }  // sent when updating editor widgets - this is
  } updating = {(m_updating = true, this)};  // just a view REFRESH function.

  // Deal with the autofill
  m_autoFillCheckBox->setChecked(m_editedStyle->getFlags() & 1);

  int p, pCount = m_editedStyle->getParamCount();
  for (p = 0; p != pCount; ++p) {
    // Update state of "reset to default" button
    if (m_editedStyle->hasParamDefault(p)) {
      QPushButton *pushButton = static_cast<QPushButton *>(
          m_paramsLayout->itemAtPosition(p, 2)->widget());
      pushButton->setEnabled(m_editedStyle->isParamDefault(p));
    }

    // Update editor values
    switch (m_editedStyle->getParamType(p)) {
    case TColorStyle::BOOL: {
      QCheckBox *checkBox = static_cast<QCheckBox *>(
          m_paramsLayout->itemAtPosition(p, 1)->widget());

      checkBox->setChecked(
          m_editedStyle->getParamValue(TColorStyle::bool_tag(), p));

      break;
    }

    case TColorStyle::INT: {
      DVGui::IntField *intField = static_cast<DVGui::IntField *>(
          m_paramsLayout->itemAtPosition(p, 1)->widget());

      intField->setValue(
          m_editedStyle->getParamValue(TColorStyle::int_tag(), p));

      break;
    }

    case TColorStyle::ENUM: {
      QComboBox *comboBox = static_cast<QComboBox *>(
          m_paramsLayout->itemAtPosition(p, 1)->widget());

      comboBox->setCurrentIndex(
          m_editedStyle->getParamValue(TColorStyle::int_tag(), p));

      break;
    }

    case TColorStyle::DOUBLE: {
      DVGui::DoubleField *doubleField = static_cast<DVGui::DoubleField *>(
          m_paramsLayout->itemAtPosition(p, 1)->widget());

      doubleField->setValue(
          m_editedStyle->getParamValue(TColorStyle::double_tag(), p));

      break;
    }

    case TColorStyle::FILEPATH: {
      DVGui::FileField *fileField = static_cast<DVGui::FileField *>(
          m_paramsLayout->itemAtPosition(p, 1)->widget());

      fileField->setPath(QString::fromStdWString(
          m_editedStyle->getParamValue(TColorStyle::TFilePath_tag(), p)
              .getWideString()));

      break;
    }
    }
  }
}

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

void SettingsPage::onAutofillChanged() {
  m_editedStyle->setFlags((unsigned int)(m_autoFillCheckBox->isChecked()));

  if (!m_updating)
    emit paramStyleChanged(false);  // Forward the signal to the style editor
}

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

int SettingsPage::getParamIndex(const QWidget *widget) {
  int p, pCount = m_paramsLayout->rowCount();
  for (p = 0; p != pCount; ++p)
    for (int c = 0; c < 3; ++c)
      if (QLayoutItem *item = m_paramsLayout->itemAtPosition(p, c))
        if (item->widget() == widget) return p;
  return -1;
}

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

void SettingsPage::onValueReset() {
  assert(m_editedStyle);

  // Extract the parameter index
  QWidget *senderWidget = static_cast<QWidget *>(sender());
  int p                 = getParamIndex(senderWidget);

  assert(0 <= p && p < m_editedStyle->getParamCount());
  m_editedStyle->setParamDefault(p);

  // Forward the signal to the style editor
  if (!m_updating) emit paramStyleChanged(false);
}

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

void SettingsPage::onValueChanged(bool isDragging) {
  assert(m_editedStyle);

  // Extract the parameter index
  QWidget *senderWidget = static_cast<QWidget *>(sender());
  int p                 = getParamIndex(senderWidget);

  assert(0 <= p && p < m_editedStyle->getParamCount());

  // Update the style's parameter value
  switch (m_editedStyle->getParamType(p)) {
  case TColorStyle::BOOL:
    m_editedStyle->setParamValue(
        p, static_cast<QCheckBox *>(senderWidget)->isChecked());
    break;
  case TColorStyle::INT:
    m_editedStyle->setParamValue(
        p, static_cast<DVGui::IntField *>(senderWidget)->getValue());
    break;
  case TColorStyle::ENUM:
    m_editedStyle->setParamValue(
        p, static_cast<QComboBox *>(senderWidget)->currentIndex());
    break;
  case TColorStyle::DOUBLE:
    m_editedStyle->setParamValue(
        p, static_cast<DVGui::DoubleField *>(senderWidget)->getValue());
    break;
  case TColorStyle::FILEPATH: {
    const QString &string =
        static_cast<DVGui::FileField *>(senderWidget)->getPath();
    m_editedStyle->setParamValue(p, TFilePath(string.toStdWString()));
    break;
  }
  }

  // Forward the signal to the style editor
  if (!m_updating) emit paramStyleChanged(isDragging);
}

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

namespace {

QScrollArea *makeChooserPage(QWidget *chooser) {
  QScrollArea *scrollArea = new QScrollArea();
  scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
  scrollArea->setWidgetResizable(true);
  scrollArea->setWidget(chooser);
  return scrollArea;
}

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

QScrollArea *makeChooserPageWithoutScrollBar(QWidget *chooser) {
  QScrollArea *scrollArea = new QScrollArea();
  scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  scrollArea->setWidgetResizable(true);
  scrollArea->setWidget(chooser);
  return scrollArea;
}

}  // namespace

//*****************************************************************************
//    StyleEditor  implementation
//*****************************************************************************

StyleEditor::StyleEditor(PaletteController *paletteController, QWidget *parent)
    : QWidget(parent)
    , m_paletteController(paletteController)
    , m_paletteHandle(paletteController->getCurrentPalette())
    , m_cleanupPaletteHandle(paletteController->getCurrentCleanupPalette())
    , m_toolBar(0)
    , m_enabled(false)
    , m_enabledOnlyFirstTab(false)
    , m_enabledFirstAndLastTab(false)
    , m_oldStyle(0)
    , m_parent(parent)
    , m_editedStyle(0) {
  setFocusPolicy(Qt::NoFocus);
  // TOGLIERE
  TFilePath libraryPath = ToonzFolder::getLibraryFolder();
  setRootPath(libraryPath);

  m_styleBar = new DVGui::TabBar(this);
  m_styleBar->setDrawBase(false);
  m_styleBar->setObjectName("StyleEditorTabBar");

  // This widget is used to set the background color of the tabBar
  // using the styleSheet.
  // It is also used to take 6px on the left before the tabBar
  // and to draw the two lines on the bottom size
  m_tabBarContainer        = new TabBarContainter(this);
  m_colorParameterSelector = new ColorParameterSelector(this);

  m_plainColorPage          = new PlainColorPage(0);
  m_textureStylePage        = new TextureStyleChooserPage(0);
  m_specialStylePage        = new SpecialStyleChooserPage(0);
  m_customStylePage         = new CustomStyleChooserPage(0);
  m_vectorBrushesStylePage  = new VectorBrushStyleChooserPage(0);
  m_mypaintBrushesStylePage = new MyPaintBrushStyleChooserPage(0);
  m_settingsPage            = new SettingsPage(0);

  QWidget *emptyPage = new StyleEditorPage(0);

  // For the plainColorPage and the settingsPage
  // I create a "fake" QScrollArea (without ScrollingBar
  // in order to use the styleSheet to stylish its background
  QScrollArea *plainArea   = makeChooserPageWithoutScrollBar(m_plainColorPage);
  QScrollArea *textureArea = makeChooserPage(m_textureStylePage);
  QScrollArea *mypaintBrushesArea = makeChooserPage(m_mypaintBrushesStylePage);
  QScrollArea *settingsArea = makeChooserPageWithoutScrollBar(m_settingsPage);
  QScrollArea *vectorOutsideArea =
      makeChooserPageWithoutScrollBar(createVectorPage());
  vectorOutsideArea->setMinimumWidth(50);

  m_styleChooser = new QStackedWidget(this);
  m_styleChooser->addWidget(plainArea);
  m_styleChooser->addWidget(textureArea);
  m_styleChooser->addWidget(vectorOutsideArea);
  m_styleChooser->addWidget(mypaintBrushesArea);
  m_styleChooser->addWidget(settingsArea);
  m_styleChooser->addWidget(makeChooserPageWithoutScrollBar(emptyPage));
  m_styleChooser->setFocusPolicy(Qt::NoFocus);

  QFrame *bottomWidget = createBottomWidget();

  m_toolBar = new QToolBar(this);
  m_toolBar->setMovable(false);
  m_toolBar->setMaximumHeight(22);
  m_toolBar->addWidget(m_colorParameterSelector);

  m_colorParameterSelector->setMinimumWidth(200);
  m_colorParameterSelector->setFixedHeight(22);

  QMenu *menu   = new QMenu();
  m_wheelAction = new QAction("Wheel", this);
  m_hsvAction   = new QAction("HSV", this);
  m_alphaAction = new QAction("Alpha", this);
  m_rgbAction   = new QAction("RGB", this);

  m_wheelAction->setCheckable(true);
  m_hsvAction->setCheckable(true);
  m_alphaAction->setCheckable(true);
  m_rgbAction->setCheckable(true);
  m_wheelAction->setChecked(true);
  m_hsvAction->setChecked(true);
  m_alphaAction->setChecked(true);
  m_rgbAction->setChecked(true);
  menu->addAction(m_wheelAction);
  menu->addAction(m_hsvAction);
  menu->addAction(m_alphaAction);
  menu->addAction(m_rgbAction);

  QToolButton *toolButton = new QToolButton(this);
  toolButton->setIcon(QIcon(":Resources/menu.svg"));
  toolButton->setMaximumWidth(18);
  toolButton->setMaximumHeight(18);
  toolButton->setMenu(menu);
  toolButton->setPopupMode(QToolButton::InstantPopup);
  toolButton->setToolTip(tr("Show or hide parts of the Color Page."));
  QToolBar *displayToolbar  = new QToolBar(this);
  m_toggleOrientationButton = new QPushButton(QChar(0x2194), this);
  m_toggleOrientationButton->setFixedWidth(20);
  m_toggleOrientationButton->setToolTip(
      tr("Toggle orientation of the Color Page."));
  m_toggleOrientationButton->setFocusPolicy(Qt::NoFocus);
  displayToolbar->addWidget(m_toggleOrientationButton);
  displayToolbar->addWidget(toolButton);
  displayToolbar->setFixedWidth(45);
  /* ------- layout ------- */
  QGridLayout *mainLayout = new QGridLayout;
  mainLayout->setMargin(0);
  mainLayout->setSpacing(0);
  {
    QHBoxLayout *hLayout = new QHBoxLayout;
    hLayout->setMargin(0);
    {
      hLayout->addSpacing(4);
      hLayout->addWidget(m_styleBar);
      hLayout->addStretch();
    }
    m_tabBarContainer->setLayout(hLayout);

    mainLayout->addWidget(m_tabBarContainer, 0, 0, 1, 2, 0);
    mainLayout->addWidget(m_styleChooser, 1, 0, 1, 2);
    mainLayout->addWidget(bottomWidget, 2, 0, 1, 2, 0);
    mainLayout->addWidget(m_toolBar, 3, 0, 1, 1, 0);
    mainLayout->addWidget(displayToolbar, 3, 1, 1, 1, 0);
  }
  setLayout(mainLayout);

  /* ------- signal-slot connections ------- */

  bool ret = true;
  ret      = ret && connect(m_styleBar, SIGNAL(currentChanged(int)), this,
                       SLOT(setPage(int)));
  ret = ret && connect(m_colorParameterSelector, SIGNAL(colorParamChanged()),
                       this, SLOT(onColorParamChanged()));
  ret = ret &&
        connect(m_textureStylePage, SIGNAL(styleSelected(const TColorStyle &)),
                this, SLOT(selectStyle(const TColorStyle &)));
  ret = ret &&
        connect(m_specialStylePage, SIGNAL(styleSelected(const TColorStyle &)),
                this, SLOT(selectStyle(const TColorStyle &)));
  ret = ret &&
        connect(m_customStylePage, SIGNAL(styleSelected(const TColorStyle &)),
                this, SLOT(selectStyle(const TColorStyle &)));
  ret = ret && connect(m_vectorBrushesStylePage,
                       SIGNAL(styleSelected(const TColorStyle &)), this,
                       SLOT(selectStyle(const TColorStyle &)));
  ret = ret && connect(m_mypaintBrushesStylePage,
                       SIGNAL(styleSelected(const TColorStyle &)), this,
                       SLOT(selectStyle(const TColorStyle &)));
  ret = ret && connect(m_settingsPage, SIGNAL(paramStyleChanged(bool)), this,
                       SLOT(onParamStyleChanged(bool)));
  ret = ret && connect(m_plainColorPage,
                       SIGNAL(colorChanged(const ColorModel &, bool)), this,
                       SLOT(onColorChanged(const ColorModel &, bool)));

  ret = ret && connect(m_wheelAction, SIGNAL(toggled(bool)),
                       m_plainColorPage->m_wheelFrame, SLOT(setVisible(bool)));
  ret = ret && connect(m_hsvAction, SIGNAL(toggled(bool)),
                       m_plainColorPage->m_hsvFrame, SLOT(setVisible(bool)));
  ret = ret && connect(m_alphaAction, SIGNAL(toggled(bool)),
                       m_plainColorPage->m_alphaFrame, SLOT(setVisible(bool)));
  ret = ret && connect(m_rgbAction, SIGNAL(toggled(bool)),
                       m_plainColorPage->m_rgbFrame, SLOT(setVisible(bool)));
  ret = ret && connect(m_toggleOrientationButton, SIGNAL(clicked()),
                       m_plainColorPage, SLOT(toggleOrientation()));
  ret = ret && connect(m_toggleOrientationButton, SIGNAL(clicked()), this,
                       SLOT(updateOrientationButton()));
  assert(ret);
  /* ------- initial conditions ------- */
  enable(false, false, false);
  // set to the empty page
  m_styleChooser->setCurrentIndex(m_styleChooser->count() - 1);
}

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

StyleEditor::~StyleEditor() {}

//-----------------------------------------------------------------------------
/*
void StyleEditor::setPaletteHandle(TPaletteHandle* paletteHandle)
{
        if(m_paletteHandle != paletteHandle)
                m_paletteHandle = paletteHandle;
        onStyleSwitched();
}
*/
//-----------------------------------------------------------------------------

QFrame *StyleEditor::createBottomWidget() {
  QFrame *bottomWidget = new QFrame(this);
  m_autoButton         = new QPushButton(tr("Auto"));
  m_oldColor           = new DVGui::StyleSample(this, 42, 20);
  m_newColor           = new DVGui::StyleSample(this, 42, 20);
  m_applyButton        = new QPushButton(tr("Apply"));

  bottomWidget->setFrameStyle(QFrame::StyledPanel);
  bottomWidget->setObjectName("bottomWidget");
  bottomWidget->setContentsMargins(0, 0, 0, 0);
  m_applyButton->setToolTip(tr("Apply changes to current style"));
  m_applyButton->setDisabled(m_paletteController->isColorAutoApplyEnabled());
  m_applyButton->setFocusPolicy(Qt::NoFocus);

  m_autoButton->setCheckable(true);
  m_autoButton->setToolTip(tr("Automatically update style changes"));
  m_autoButton->setChecked(m_paletteController->isColorAutoApplyEnabled());
  m_autoButton->setFocusPolicy(Qt::NoFocus);

  m_oldColor->setToolTip(tr("Return To Previous Style"));
  m_oldColor->enableClick(true);
  m_oldColor->setEnable(false);
  m_newColor->setToolTip(tr("Current Style"));
  m_newColor->setEnable(false);

  /* ------ layout ------ */
  QVBoxLayout *mainLayout = new QVBoxLayout;
  mainLayout->setMargin(2);
  mainLayout->setSpacing(1);
  {
    QHBoxLayout *hLayout = new QHBoxLayout;
    hLayout->setMargin(0);
    hLayout->setSpacing(0);
    {
      hLayout->addWidget(m_autoButton);
      hLayout->addWidget(m_applyButton);
      hLayout->addSpacing(2);
      hLayout->addWidget(m_newColor, 1);
      hLayout->addWidget(m_oldColor, 1);
    }
    mainLayout->addLayout(hLayout);

    // QHBoxLayout *buttonsLayout = new QHBoxLayout;
    // buttonsLayout->setMargin(0);
    // buttonsLayout->setSpacing(5);
    //{ buttonsLayout->addWidget(m_applyButton); }
    // mainLayout->addLayout(buttonsLayout);
  }
  bottomWidget->setLayout(mainLayout);

  /* ------ signal-slot connections ------ */
  bool ret = true;
  ret      = ret && connect(m_applyButton, SIGNAL(clicked()), this,
                       SLOT(applyButtonClicked()));
  ret = ret && connect(m_autoButton, SIGNAL(toggled(bool)), this,
                       SLOT(autoCheckChanged(bool)));
  ret = ret && connect(m_oldColor, SIGNAL(clicked(const TColorStyle &)), this,
                       SLOT(onOldStyleClicked(const TColorStyle &)));
  assert(ret);

  return bottomWidget;
}

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

QFrame *StyleEditor::createVectorPage() {
  QFrame *vectorOutsideFrame = new QFrame(this);
  vectorOutsideFrame->setMinimumWidth(50);

  QPushButton *specialButton     = new QPushButton(tr("Generated"), this);
  QPushButton *customButton      = new QPushButton(tr("Trail"), this);
  QPushButton *vectorBrushButton = new QPushButton(tr("Vector Brush"), this);

  specialButton->setCheckable(true);
  customButton->setCheckable(true);
  vectorBrushButton->setCheckable(true);
  specialButton->setChecked(true);
  customButton->setChecked(true);
  vectorBrushButton->setChecked(true);

  /* ------ layout ------ */
  QVBoxLayout *vectorOutsideLayout = new QVBoxLayout();
  vectorOutsideLayout->setMargin(0);
  vectorOutsideLayout->setSpacing(0);
  vectorOutsideLayout->setSizeConstraint(QLayout::SetNoConstraint);
  {
    QHBoxLayout *vectorButtonLayout = new QHBoxLayout();
    vectorButtonLayout->setSizeConstraint(QLayout::SetNoConstraint);
    {
      vectorButtonLayout->addWidget(specialButton);
      vectorButtonLayout->addWidget(customButton);
      vectorButtonLayout->addWidget(vectorBrushButton);
    }
    vectorOutsideLayout->addLayout(vectorButtonLayout);

    QVBoxLayout *vectorLayout = new QVBoxLayout();
    vectorLayout->setMargin(0);
    vectorLayout->setSpacing(0);
    vectorLayout->setSizeConstraint(QLayout::SetNoConstraint);
    {
      vectorLayout->addWidget(m_specialStylePage);
      vectorLayout->addWidget(m_customStylePage);
      vectorLayout->addWidget(m_vectorBrushesStylePage);
    }
    QFrame *vectorFrame = new QFrame(this);
    vectorFrame->setMinimumWidth(50);
    vectorFrame->setLayout(vectorLayout);
    m_vectorArea = makeChooserPage(vectorFrame);
    m_vectorArea->setMinimumWidth(50);
    vectorOutsideLayout->addWidget(m_vectorArea);
  }
  vectorOutsideFrame->setLayout(vectorOutsideLayout);

  /* ------ signal-slot connections ------ */
  bool ret = true;
  ret      = ret && connect(specialButton, SIGNAL(toggled(bool)), this,
                       SLOT(onSpecialButtonToggled(bool)));
  ret = ret && connect(customButton, SIGNAL(toggled(bool)), this,
                       SLOT(onCustomButtonToggled(bool)));
  ret = ret && connect(vectorBrushButton, SIGNAL(toggled(bool)), this,
                       SLOT(onVectorBrushButtonToggled(bool)));
  assert(ret);
  return vectorOutsideFrame;
}

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

void StyleEditor::updateTabBar() {
  m_styleBar->clearTabBar();
  if (m_enabled && !m_enabledOnlyFirstTab && !m_enabledFirstAndLastTab) {
    m_styleBar->addSimpleTab(tr("Color"));
    m_styleBar->addSimpleTab(tr("Texture"));
    m_styleBar->addSimpleTab(tr("Vector"));
    m_styleBar->addSimpleTab(tr("Raster"));
    m_styleBar->addSimpleTab(tr("Settings"));
  } else if (m_enabled && m_enabledOnlyFirstTab && !m_enabledFirstAndLastTab)
    m_styleBar->addSimpleTab(tr("Color"));
  else if (m_enabled && !m_enabledOnlyFirstTab && m_enabledFirstAndLastTab) {
    m_styleBar->addSimpleTab(tr("Color"));
    m_styleBar->addSimpleTab(tr("Settings"));
  } else {
    m_styleChooser->setCurrentIndex(m_styleChooser->count() - 1);
    return;
  }
  m_tabBarContainer->layout()->update();
  m_styleChooser->setCurrentIndex(0);
}

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

void StyleEditor::showEvent(QShowEvent *) {
  m_autoButton->setChecked(m_paletteController->isColorAutoApplyEnabled());
  onStyleSwitched();
  bool ret = true;
  ret      = ret && connect(m_paletteHandle, SIGNAL(colorStyleSwitched()),
                       SLOT(onStyleSwitched()));
  ret = ret && connect(m_paletteHandle, SIGNAL(colorStyleChanged(bool)),
                       SLOT(onStyleChanged(bool)));
  ret = ret && connect(m_paletteHandle, SIGNAL(paletteSwitched()), this,
                       SLOT(onStyleSwitched()));
  if (m_cleanupPaletteHandle)
    ret =
        ret && connect(m_cleanupPaletteHandle, SIGNAL(colorStyleChanged(bool)),
                       SLOT(onCleanupStyleChanged(bool)));

  ret = ret && connect(m_paletteController, SIGNAL(colorAutoApplyEnabled(bool)),
                       this, SLOT(enableColorAutoApply(bool)));
  ret = ret && connect(m_paletteController,
                       SIGNAL(colorSampleChanged(const TPixel32 &)), this,
                       SLOT(setColorSample(const TPixel32 &)));
  m_plainColorPage->m_wheelFrame->setVisible(m_wheelAction->isChecked());
  m_plainColorPage->m_hsvFrame->setVisible(m_hsvAction->isChecked());
  m_plainColorPage->m_alphaFrame->setVisible(m_alphaAction->isChecked());
  m_plainColorPage->m_rgbFrame->setVisible(m_rgbAction->isChecked());
  updateOrientationButton();
  assert(ret);
}

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

void StyleEditor::hideEvent(QHideEvent *) {
  disconnect(m_paletteHandle);
  if (m_cleanupPaletteHandle) disconnect(m_cleanupPaletteHandle);
  disconnect(m_paletteController);
}

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

void StyleEditor::updateOrientationButton() {
  if (m_plainColorPage->getIsVertical()) {
    m_toggleOrientationButton->setText(QChar(0x2194));
  } else {
    m_toggleOrientationButton->setText(QChar(0x2195));
  }
}

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

void StyleEditor::onStyleSwitched() {
  TPalette *palette = getPalette();

  if (!palette) {
    // set the current page to empty
    m_styleChooser->setCurrentIndex(m_styleChooser->count() - 1);
    enable(false);
    m_colorParameterSelector->clear();
    m_oldStyle    = TColorStyleP();
    m_editedStyle = TColorStyleP();

    m_parent->setWindowTitle(tr("No Style Selected"));
    return;
  }

  int styleIndex = getStyleIndex();
  setEditedStyleToStyle(palette->getStyle(styleIndex));

  bool isStyleNull    = setStyle(m_editedStyle.getPointer());
  bool isColorInField = palette->getPaletteName() == L"EmptyColorFieldPalette";
  bool isValidIndex   = styleIndex > 0 || isColorInField;
  bool isCleanUpPalette = palette->isCleanupPalette();

  /* ------ update the status text ------ */
  if (!isStyleNull && isValidIndex) {
    QString statusText;
    // palette type
    if (isCleanUpPalette)
      statusText = tr("[CLEANUP]  ");
    else if (palette->getGlobalName() != L"")
      statusText = tr("[STUDIO]  ");
    else
      statusText = tr("[LEVEL]  ");

    // palette name
    statusText +=
        QString::fromStdWString(L" Palette : " + palette->getPaletteName());

    // style name
    statusText += QString::fromStdWString(L" | #");
    statusText += QString::number(styleIndex);
    statusText += QString::fromStdWString(L" : " + m_editedStyle->getName());
    TPoint pickedPos = m_editedStyle->getPickedPosition().pos;
    if (pickedPos != TPoint())
      statusText +=
          QString(" (Picked from %1,%2)").arg(pickedPos.x).arg(pickedPos.y);

    m_parent->setWindowTitle(statusText);
  } else {
    m_parent->setWindowTitle(tr("Style Editor - No Valid Style Selected"));
  }
  enable(!isStyleNull && isValidIndex, isColorInField, isCleanUpPalette);
}

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

void StyleEditor::onStyleChanged(bool isDragging) {
  TPalette *palette = getPalette();
  if (!palette) return;

  int styleIndex = getStyleIndex();
  assert(0 <= styleIndex && styleIndex < palette->getStyleCount());

  setEditedStyleToStyle(palette->getStyle(styleIndex));
  if (!isDragging) {
    setOldStyleToStyle(
        m_editedStyle
            .getPointer());  // This line is needed for proper undo behavior
  }
  m_plainColorPage->setColor(*m_editedStyle, getColorParam());
  m_colorParameterSelector->setStyle(*m_editedStyle);
  m_settingsPage->setStyle(m_editedStyle);
  m_newColor->setStyle(*m_editedStyle);
  m_oldColor->setStyle(
      *m_oldStyle);  // This line is needed for proper undo behavior
}

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

void StyleEditor::onCleanupStyleChanged(bool isDragging) {
  if (!m_cleanupPaletteHandle) return;

  onStyleChanged(isDragging);
}

//-----------------------------------------------------------------------------
// TOGLIERE
void StyleEditor::setRootPath(const TFilePath &rootPath) {
  m_textureStylePage->setRootPath(rootPath);
}

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

void StyleEditor::copyEditedStyleToPalette(bool isDragging) {
  TPalette *palette = getPalette();
  assert(palette);

  int styleIndex = getStyleIndex();
  assert(0 <= styleIndex && styleIndex < palette->getStyleCount());

  if (!(*m_oldStyle == *m_editedStyle) &&
      (!isDragging || m_paletteController->isColorAutoApplyEnabled()) &&
      m_editedStyle->getGlobalName() != L"" &&
      m_editedStyle->getOriginalName() != L"") {
    // If the adited style is linked to the studio palette, then activate the
    // edited flag
    m_editedStyle->setIsEditedFlag(true);
  }

  palette->setStyle(
      styleIndex,
      m_editedStyle->clone());  // Must be done *before* setting the eventual
                                // palette keyframe
  if (!isDragging) {
    if (!(*m_oldStyle == *m_editedStyle)) {
      // do not register undo if the edited color is special one (e.g. changing
      // the ColorField in the fx settings)
      if (palette->getPaletteName() != L"EmptyColorFieldPalette")
        TUndoManager::manager()->add(new UndoPaletteChange(
            m_paletteHandle, styleIndex, *m_oldStyle, *m_editedStyle));
    }

    setOldStyleToStyle(m_editedStyle.getPointer());

    // In case the frame is a keyframe, update it
    if (palette->isKeyframe(styleIndex, palette->getFrame()))  // here
      palette->setKeyframe(styleIndex, palette->getFrame());   //

    palette->setDirtyFlag(true);
  }

  m_paletteHandle->notifyColorStyleChanged(isDragging);
}

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

void StyleEditor::onColorChanged(const ColorModel &color, bool isDragging) {
  TPalette *palette = getPalette();
  if (!palette) return;

  int styleIndex = getStyleIndex();
  if (styleIndex < 0 || styleIndex > palette->getStyleCount()) return;

  setEditedStyleToStyle(palette->getStyle(styleIndex));  // CLONES the argument

  if (m_editedStyle)  // Should be styleIndex's style at this point
  {
    TPixel tColor = color.getTPixel();

    if (m_editedStyle->hasMainColor()) {
      int index = getColorParam(), count = m_editedStyle->getColorParamCount();

      if (0 <= index && index < count)
        m_editedStyle->setColorParamValue(index, tColor);
      else
        m_editedStyle->setMainColor(tColor);

      m_editedStyle->invalidateIcon();
    } else {
      // The argument has NO (main) COLOR. Since color data is being updated, a
      // 'fake'
      // solid style will be created and operated on.
      TSolidColorStyle *style = new TSolidColorStyle(tColor);
      style->assignNames(m_editedStyle.getPointer());

      setEditedStyleToStyle(style);  // CLONES the argument

      delete style;
    }

    m_newColor->setStyle(*m_editedStyle);
    m_colorParameterSelector->setStyle(*m_editedStyle);

    if (m_autoButton->isChecked()) {
      copyEditedStyleToPalette(isDragging);
    }
  }
}

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

void StyleEditor::enable(bool enabled, bool enabledOnlyFirstTab,
                         bool enabledFirstAndLastTab) {
  if (m_enabled != enabled || m_enabledOnlyFirstTab != enabledOnlyFirstTab ||
      m_enabledFirstAndLastTab != enabledFirstAndLastTab) {
    m_enabled                = enabled;
    m_enabledOnlyFirstTab    = enabledOnlyFirstTab;
    m_enabledFirstAndLastTab = enabledFirstAndLastTab;
    updateTabBar();
    m_autoButton->setEnabled(enabled);
    m_applyButton->setDisabled(!enabled || m_autoButton->isChecked());
    m_oldColor->setEnable(enabled);
    m_newColor->setEnable(enabled);
    if (enabled == false) {
      m_oldColor->setColor(TPixel32::Transparent);
      m_newColor->setColor(TPixel32::Transparent);
    }
  }

  // lock button behavior
  TPalette *palette = getPalette();
  if (palette && enabled) {
    // when the palette is locked
    if (palette->isLocked()) {
      m_applyButton->setEnabled(false);
      m_autoButton->setChecked(false);
      m_autoButton->setEnabled(false);
    } else  // when the palette is unlocked
    {
      m_applyButton->setDisabled(m_autoButton->isChecked());
      m_autoButton->setEnabled(true);
    }
  }
}

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

void StyleEditor::onOldStyleClicked(const TColorStyle &) {
  if (!m_enabled) return;
  selectStyle(*(m_oldColor->getStyle()));
}

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

void StyleEditor::setPage(int index) {
  if (!m_enabledFirstAndLastTab) {
    m_styleChooser->setCurrentIndex(index);
    return;
  }

  // Se sono nel caso first and last page enable e index == 1 la pagina che
  // voglio settare e' l'ultima!
  if (index == 1)
    index = m_styleChooser->count() -
            2;  // 2 perche' alla fine c'e' una pagina vuota
  m_styleChooser->setCurrentIndex(index);
}

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

void StyleEditor::applyButtonClicked() {
  TPalette *palette = getPalette();
  int styleIndex    = getStyleIndex();
  if (!palette || styleIndex < 0 || styleIndex > palette->getStyleCount())
    return;

  copyEditedStyleToPalette(false);
}

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

void StyleEditor::autoCheckChanged(bool value) {
  m_paletteController->enableColorAutoApply(value);

  if (!m_enabled) return;

  m_applyButton->setDisabled(value);
}

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

void StyleEditor::enableColorAutoApply(bool enabled) {
  if (m_autoButton->isChecked() != enabled) {
    m_autoButton->setChecked(enabled);
  }
}

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

void StyleEditor::setColorSample(const TPixel32 &color) {
  // m_colorParameterSelector->setColor(*style);
  ColorModel cm;
  cm.setTPixel(color);
  onColorChanged(cm, true);
}

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

bool StyleEditor::setStyle(TColorStyle *currentStyle) {
  assert(currentStyle);

  bool isStyleNull = false;

  QString gname = QString::fromStdWString(currentStyle->getGlobalName());
  // if(!gname.isEmpty() && gname == "ColorFieldSimpleColor")
  //	isStyleNull = true;
  // else
  if (!gname.isEmpty() && gname[0] != L'-') {
    currentStyle = 0;
    isStyleNull  = true;
  }

  if (currentStyle) {
    m_colorParameterSelector->setStyle(*currentStyle);
    m_plainColorPage->setColor(*currentStyle, getColorParam());
    m_oldColor->setStyle(*currentStyle);
    m_newColor->setStyle(*currentStyle);

    setOldStyleToStyle(currentStyle);
  }

  // Va fatto anche se non c'e' lo style perche' svuota la pagina
  m_settingsPage->setStyle(m_editedStyle);

  return isStyleNull;
}

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

void StyleEditor::setEditedStyleToStyle(const TColorStyle *style) {
  if (style == m_editedStyle.getPointer()) return;

  m_editedStyle = TColorStyleP(style->clone());
}

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

void StyleEditor::setOldStyleToStyle(const TColorStyle *style) {
  if (style == m_oldStyle.getPointer()) return;
  m_oldStyle = TColorStyleP(style->clone());
}

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

void StyleEditor::selectStyle(const TColorStyle &newStyle) {
  TPalette *palette = m_paletteHandle->getPalette();
  if (!palette) return;

  int styleIndex = m_paletteHandle->getStyleIndex();
  if (styleIndex < 0 || palette->getStyleCount() <= styleIndex) return;

  // Register the new previous/edited style pairs
  setOldStyleToStyle(palette->getStyle(styleIndex));
  setEditedStyleToStyle(&newStyle);

  m_editedStyle->assignNames(
      m_oldStyle.getPointer());  // Copy original name stored in the palette

  // For convenience's sake, copy the main color from the old color, if both
  // have one
  if (m_oldStyle && m_oldStyle->hasMainColor() && m_editedStyle &&
      m_editedStyle->hasMainColor())
    m_editedStyle->setMainColor(m_oldStyle->getMainColor());

  if (m_autoButton->isChecked()) {
    // If the adited style is linked to the studio palette, then activate the
    // edited flag
    if (m_editedStyle->getGlobalName() != L"" &&
        m_editedStyle->getOriginalName() != L"")
      m_editedStyle->setIsEditedFlag(true);

    // Apply new style, if required
    TUndoManager::manager()->add(new UndoPaletteChange(
        m_paletteHandle, styleIndex, *m_oldStyle, *m_editedStyle));

    palette->setStyle(styleIndex, m_editedStyle->clone());

    m_paletteHandle->notifyColorStyleChanged(false);
    palette->setDirtyFlag(true);
  }

  // Update editor widgets
  m_newColor->setStyle(*m_editedStyle);
  m_plainColorPage->setColor(*m_editedStyle, getColorParam());
  m_colorParameterSelector->setStyle(*m_editedStyle);
  m_settingsPage->setStyle(m_editedStyle);
}

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

void StyleEditor::onColorParamChanged() {
  TPalette *palette = getPalette();
  if (!palette) return;

  int styleIndex = getStyleIndex();
  if (styleIndex < 0 || palette->getStyleCount() <= styleIndex) return;

  m_paletteHandle->setStyleParamIndex(getColorParam());

  if (TColorStyle *currentStyle = palette->getStyle(styleIndex)) {
    setEditedStyleToStyle(currentStyle);

    m_plainColorPage->setColor(*m_editedStyle, getColorParam());
    m_settingsPage->setStyle(m_editedStyle);
  }
}

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

void StyleEditor::onParamStyleChanged(bool isDragging) {
  TPalette *palette = getPalette();
  if (!palette) return;

  int styleIndex = getStyleIndex();
  if (styleIndex < 0 || styleIndex > palette->getStyleCount()) return;

  if (m_autoButton->isChecked()) copyEditedStyleToPalette(isDragging);

  m_editedStyle->invalidateIcon();       // Refresh the new color icon
  m_newColor->setStyle(*m_editedStyle);  //
}

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

void StyleEditor::onSpecialButtonToggled(bool on) {
  m_specialStylePage->setVisible(on);
  m_vectorArea->widget()->resize(m_vectorArea->widget()->sizeHint());
  qApp->processEvents();
}

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

void StyleEditor::onCustomButtonToggled(bool on) {
  m_customStylePage->setVisible(on);
  m_vectorArea->widget()->resize(m_vectorArea->widget()->sizeHint());
  qApp->processEvents();
}

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

void StyleEditor::onVectorBrushButtonToggled(bool on) {
  m_vectorBrushesStylePage->setVisible(on);
  m_vectorArea->widget()->resize(m_vectorArea->widget()->sizeHint());
  qApp->processEvents();
}

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

void StyleEditor::save(QSettings &settings) const {
  settings.setValue("isVertical", m_plainColorPage->getIsVertical());
  int visibleParts = 0;
  if (m_wheelAction->isChecked()) visibleParts |= 0x01;
  if (m_hsvAction->isChecked()) visibleParts |= 0x02;
  if (m_alphaAction->isChecked()) visibleParts |= 0x04;
  if (m_rgbAction->isChecked()) visibleParts |= 0x08;
  settings.setValue("visibleParts", visibleParts);
  settings.setValue("splitterState", m_plainColorPage->getSplitterState());
}
void StyleEditor::load(QSettings &settings) {
  QVariant isVertical = settings.value("isVertical");
  if (isVertical.canConvert(QVariant::Bool)) {
    m_colorPageIsVertical = isVertical.toBool();
    m_plainColorPage->setIsVertical(m_colorPageIsVertical);
  }
  QVariant visibleParts = settings.value("visibleParts");
  if (visibleParts.canConvert(QVariant::Int)) {
    int visiblePartsInt = visibleParts.toInt();

    if (visiblePartsInt & 0x01)
      m_wheelAction->setChecked(true);
    else
      m_wheelAction->setChecked(false);
    if (visiblePartsInt & 0x02)
      m_hsvAction->setChecked(true);
    else
      m_hsvAction->setChecked(false);
    if (visiblePartsInt & 0x04)
      m_alphaAction->setChecked(true);
    else
      m_alphaAction->setChecked(false);
    if (visiblePartsInt & 0x08)
      m_rgbAction->setChecked(true);
    else
      m_rgbAction->setChecked(false);
  }
  QVariant splitterState = settings.value("splitterState");
  if (splitterState.canConvert(QVariant::ByteArray))
    m_plainColorPage->setSplitterState(splitterState.toByteArray());
}