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/*=========================================================================
Program: Visualization Toolkit
Module: vtkQtView.h
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2009 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
/**
* @class vtkQtView
* @brief Superclass for Qt widget-based views.
*
*
* This abstract superclass provides common api to integrate a Qt widget
* into the VTK view framework. Not much here yet, but in the future there
* could be methods around selection, event-handling, drag-and-drop, etc.
*
*/
#ifndef vtkQtView_h
#define vtkQtView_h
#include "vtkView.h"
#include "vtkViewsQtModule.h" // For export macro
#include <QObject> // Needed to hook into Qt
VTK_ABI_NAMESPACE_BEGIN
class VTKVIEWSQT_EXPORT vtkQtView
: public QObject
, public vtkView
{
Q_OBJECT
public:
vtkTypeMacro(vtkQtView, vtkView);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Get the main container of this view (a QWidget).
* The application typically places the view with a call
* to GetWidget(): something like this
* this->ui->box->layout()->addWidget(this->View->GetWidget());
*/
virtual QWidget* GetWidget() = 0;
/**
* Calls QApplication::processEvents(). This is useful if you are using QWidgets
* but have not called QApplication::exec because you don't want to give control
* to the Qt event loop. See also ProcessQtEventsNoUserEvents().
*/
virtual void ProcessQtEvents();
/**
* Calls QApplication::processEvents(QEventLoop::ExcludeUserInputEvents).
* See also ProcessQtEvents().
*/
virtual void ProcessQtEventsNoUserInput();
/**
* Save an image. Uses QPixmap::grab and QPixmap::save. The image format will
* be determined from the filename. Qt's image format support may vary, usually
* bmp, jpg, ppm, or png is a safe choice. Returns false if there was a failure.
*/
virtual bool SaveImage(VTK_FILEPATH const char* fileName);
protected:
vtkQtView();
~vtkQtView() override;
private:
vtkQtView(const vtkQtView&) = delete;
void operator=(const vtkQtView&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
// VTK-HeaderTest-Exclude: vtkQtView.h
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