qMRMLColorPickerWidget.h

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

  Program: 3D Slicer

  Copyright (c) Kitware Inc.

  See COPYRIGHT.txt
  or http://www.slicer.org/copyright/copyright.txt for details.

  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.

  This file was originally developed by Julien Finet, Kitware Inc.
  and was partially funded by NIH grant 3P41RR013218-12S1

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

#ifndef __qMRMLColorPickerWidget_h
#define __qMRMLColorPickerWidget_h

// Qt include
#include <QModelIndex>

// qMRML includes
#include "qMRMLWidget.h"
#include "qMRMLWidgetsExport.h"

// CTK includes
#include <ctkVTKObject.h>

class qMRMLColorPickerWidgetPrivate;
class vtkMRMLNode;
class vtkMRMLColorNode;
class vtkMRMLColorLogic;

class QMRML_WIDGETS_EXPORT qMRMLColorPickerWidget : public qMRMLWidget
{
  Q_OBJECT
  QVTK_OBJECT
public:
  qMRMLColorPickerWidget(QWidget *parent=nullptr);
  ~qMRMLColorPickerWidget() override;

  Q_INVOKABLE void setMRMLColorLogic(vtkMRMLColorLogic* colorLogic);
  Q_INVOKABLE vtkMRMLColorLogic* mrmlColorLogic()const;

  Q_INVOKABLE vtkMRMLColorNode* currentColorNode()const;

  void setMRMLScene(vtkMRMLScene* scene) override;
  bool eventFilter(QObject* target, QEvent* event) override;

public slots:
  void setCurrentColorNode(vtkMRMLNode* node);
  void setCurrentColorNodeToDefault();

signals:
  void currentColorNodeChanged(vtkMRMLNode* node);

  void colorEntrySelected(int index);

  void colorSelected(const QColor& color);

  void colorNameSelected(const QString& name);

protected slots:
  void onNodeAdded(vtkObject*, vtkObject*);
  void onCurrentColorNodeChanged(vtkMRMLNode* node);
  void onTextChanged(const QString& colorText);

protected:
  QScopedPointer<qMRMLColorPickerWidgetPrivate> d_ptr;

private:
  Q_DECLARE_PRIVATE(qMRMLColorPickerWidget);
  Q_DISABLE_COPY(qMRMLColorPickerWidget);
};

#endif