colorPickerButton.h

/*=========================================================================

  Library:   CTK

  Copyright (c) Kitware Inc.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0.txt

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

=========================================================================*/

#ifndef COLORPICKERBUTTON_H
#define COLORPICKERBUTTON_H

// Qt includes
#include <QPushButton>
#include <QColor>

// CTK includes
#include "commonWidgets.h"
class ColorPickerButtonPrivate;

class ITOMWIDGETS_EXPORT ColorPickerButton : public QPushButton
{
  Q_OBJECT
  Q_FLAGS(ColorDialogOption ColorDialogOptions)

  
  Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged USER true)

  
  Q_PROPERTY(QString colorName READ colorName WRITE setColorName NOTIFY colorNameChanged)

  
  Q_PROPERTY(bool displayColorName READ displayColorName WRITE setDisplayColorName DESIGNABLE true)

  
  Q_PROPERTY(ColorDialogOptions dialogOptions READ dialogOptions WRITE setDialogOptions)
public:
  enum ColorDialogOption {
    ShowAlphaChannel    = 0x00000001,
    NoButtons           = 0x00000002,
    DontUseNativeDialog = 0x00000004,
    UseColorDialog   = 0x0000000C
  };
  Q_DECLARE_FLAGS(ColorDialogOptions, ColorDialogOption)

  
  explicit ColorPickerButton(QWidget* parent = 0);

  explicit ColorPickerButton(const QString& text, QWidget* parent = 0 );

  explicit ColorPickerButton(const QColor& color, const QString & text, QWidget* parent = 0 );

  virtual ~ColorPickerButton();

  QColor color()const;

  QString colorName()const;

  void setColorName(const QString& name);

  bool displayColorName()const;

  void setDialogOptions(const ColorDialogOptions& options);
  const ColorDialogOptions& dialogOptions() const;

  virtual QSize sizeHint()const;

public Q_SLOTS:
  void setColor(const QColor& color);

  void changeColor();

  void setDisplayColorName(bool displayColorName);

Q_SIGNALS:
  void colorChanged(QColor);

  void colorNameChanged(QString);

protected Q_SLOTS:
  void onToggled(bool change = true);

protected:
  virtual void paintEvent(QPaintEvent* event);

  QScopedPointer<ColorPickerButtonPrivate> d_ptr;
private :
  Q_DECLARE_PRIVATE(ColorPickerButton);
  Q_DISABLE_COPY(ColorPickerButton);
};

Q_DECLARE_OPERATORS_FOR_FLAGS(ColorPickerButton::ColorDialogOptions)

#endif