File 0001-vtk-use-QVTKOpenGLWidget-for-vtk-8.patch of Package QCSXCAD

From 56149e537115275f7bbceead1853c8e11217ae40 Mon Sep 17 00:00:00 2001
From: Thorsten Liebig <Thorsten.Liebig@gmx.de>
Date: Wed, 26 Dec 2018 22:51:17 +0100
Subject: [PATCH] vtk: use QVTKOpenGLWidget for vtk>=8

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
---
 QVTKStructure.cpp | 13 ++++++++++++-
 QVTKStructure.h   | 10 +++++++++-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/QVTKStructure.cpp b/QVTKStructure.cpp
index 9482dde..1ddf2c8 100644
--- a/QVTKStructure.cpp
+++ b/QVTKStructure.cpp
@@ -19,7 +19,12 @@
 
 #include "QVTKStructure.h"
 
-#include "QVTKWidget.h"
+#if VTK_MAJOR_VERSION>=8
+  #include "QVTKOpenGLWidget.h"
+  #include "vtkGenericOpenGLRenderWindow.h"
+#else
+  #include "QVTKWidget.h"
+#endif
 #include "vtkRenderWindow.h"
 #include "vtkRenderWindowInteractor.h"
 #include "vtkRenderer.h"
@@ -93,7 +98,13 @@ QVTKStructure::QVTKStructure()
 	iResolution=32;
 	AllowUpdate=true;
 
+#if VTK_MAJOR_VERSION>=8
+	VTKWidget= new QVTKOpenGLWidget();
+	vtkNew<vtkGenericOpenGLRenderWindow> renderWindow;
+	VTKWidget->SetRenderWindow(renderWindow);
+#else
 	VTKWidget= new QVTKWidget();
+#endif
 
 	ren = vtkRenderer::New();
 	VTKWidget->GetRenderWindow()->AddRenderer(ren);
diff --git a/QVTKStructure.h b/QVTKStructure.h
index 2809e8a..3a0cb4e 100644
--- a/QVTKStructure.h
+++ b/QVTKStructure.h
@@ -20,7 +20,11 @@
 
 #include <QtGui>
 
-class QVTKWidget;
+#if VTK_MAJOR_VERSION>=8
+  class QVTKOpenGLWidget;
+#else
+  class QVTKWidget;
+#endif
 class vtkRenderWindow;
 class vtkRenderWindowInteractor;
 class vtkRenderer;
@@ -95,7 +99,11 @@ protected:
 		unsigned int uID;
 	} VTKLayerStruct;
 
+#if VTK_MAJOR_VERSION>=8
+	QVTKOpenGLWidget *VTKWidget;
+#else
 	QVTKWidget *VTKWidget;
+#endif
 
 	//set to false if this widget is hidden
 	bool AllowUpdate;
-- 
2.28.0