# RenderWindowUISingleInheritance

VTKExamples/Cxx/Qt/RenderWindowUISingleInheritance

### Code

RenderWindowUISingleInheritance.cxx

    #include "RenderWindowUISingleInheritance.h"

    // This is included here because it is forward declared in
    // RenderWindowUISingleInheritance.h
    #include "ui_RenderWindowUISingleInheritance.h"

    #include <vtkGenericOpenGLRenderWindow.h>
    #include <vtkNew.h>
    #include <vtkPolyDataMapper.h>
    #include <vtkRenderer.h>
    #include <vtkRenderWindow.h>
    #include <vtkSphereSource.h>

    // Constructor
    RenderWindowUISingleInheritance::RenderWindowUISingleInheritance()
    {
      this->ui = new Ui_RenderWindowUISingleInheritance;
      this->ui->setupUi(this);

      vtkNew<vtkGenericOpenGLRenderWindow> renderWindow;
      this->ui->qvtkWidget->SetRenderWindow(renderWindow);

      // Sphere
      vtkNew<vtkSphereSource> sphereSource;
      sphereSource->Update();
      vtkNew<vtkPolyDataMapper> sphereMapper;
      sphereMapper->SetInputConnection(sphereSource->GetOutputPort());
      vtkNew<vtkActor> sphereActor;
      sphereActor->SetMapper(sphereMapper);

      // VTK Renderer
      vtkNew<vtkRenderer> renderer;
      renderer->AddActor(sphereActor);

      // VTK/Qt wedded
      this->ui->qvtkWidget->GetRenderWindow()->AddRenderer(renderer);

      // Set up action signals and slots
      connect(this->ui->actionExit, SIGNAL(triggered()), this, SLOT(slotExit()));

    }

    void RenderWindowUISingleInheritance::slotExit()
    {
      qApp->exit();
    }

### CMakeLists.txt

    cmake_minimum_required(VERSION 2.8)

    PROJECT(RenderWindowUISingleInheritance)

    find_package(VTK REQUIRED)
    include(${VTK_USE_FILE})

    add_executable(RenderWindowUISingleInheritance MACOSX_BUNDLE RenderWindowUISingleInheritance.cxx )

    target_link_libraries(RenderWindowUISingleInheritance ${VTK_LIBRARIES})

### Download and Build RenderWindowUISingleInheritance

Click here to download RenderWindowUISingleInheritance and its CMakeLists.txt file. Once the tarball RenderWindowUISingleInheritance.tar has been downloaded and extracted,

    cd RenderWindowUISingleInheritance/build

If VTK is installed:

    cmake ..

If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:

    cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

Build the project:

    make

and run it:

    ./RenderWindowUISingleInheritance

WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.