qMRMLWidget.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 Jean-Christophe Fillion-Robin, Kitware Inc.
  and was partially funded by NIH grant 3P41RR013218-12S1

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

#ifndef __qMRMLWidget_h
#define __qMRMLWidget_h

// Qt includes
#include <QWidget>

// MRMLWidgets includes
#include "qMRMLWidgetsExport.h"
class qMRMLWidgetPrivate;

// VTK includes
class vtkMRMLScene;

class QMRML_WIDGETS_EXPORT qMRMLWidget : public QWidget
{
  Q_OBJECT

public:
  typedef QWidget Superclass;
  explicit qMRMLWidget(QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
  ~qMRMLWidget() override;

  Q_INVOKABLE vtkMRMLScene* mrmlScene() const;

  Q_INVOKABLE static void preInitializeApplication();

  Q_INVOKABLE static void postInitializeApplication();

  // Get the pixmap from the icon that is the most suitable for current screen resolution.
  // Useful for cases when a widget cannot take a QIcon as input only as QPixmap.
  Q_INVOKABLE static QPixmap pixmapFromIcon(const QIcon& icon);

public slots:
  virtual void setMRMLScene(vtkMRMLScene* newScene);

signals:
  void mrmlSceneChanged(vtkMRMLScene*);

protected:
  QScopedPointer<qMRMLWidgetPrivate> d_ptr;

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

#endif