manageddisplaywidgets: fixed issue that caused buffers to be drawn on the main window

app/widget/manageddisplay/manageddisplay.cpp

@@ -142,9 +142,13 @@ void ManagedDisplayWidget::MenuLookSelect(QAction *action)
 
 void ManagedDisplayWidget::SetColorTransform(const ColorTransform &transform)
 {
+  makeCurrent();
+
   color_transform_ = transform;
   SetupColorProcessor();
   ColorProcessorChangedEvent();
+
+  doneCurrent();
 }
 
 void ManagedDisplayWidget::initializeGL()
@@ -248,9 +252,7 @@ void ManagedDisplayWidget::SetupColorProcessor()
                                                     color_manager_->GetReferenceColorSpace(),
                                                     color_transform_);
 
-      makeCurrent();
       color_service_->Enable(context(), true);
-      doneCurrent();
 
     } catch (OCIO::Exception& e) {
 

app/widget/scope/waveform/waveform.cpp

@@ -60,8 +60,6 @@ void WaveformScope::initializeGL()
 {
   ManagedDisplayWidget::initializeGL();
 
-  makeCurrent();
-
   pipeline_ = OpenGLShader::Create();
   pipeline_->create();
   pipeline_->addShaderFromSourceCode(QOpenGLShader::Vertex, OpenGLShader::CodeDefaultVertex());
@@ -70,8 +68,6 @@ void WaveformScope::initializeGL()
 
   framebuffer_.Create(context());
 
-  doneCurrent();
-
   connect(context(), &QOpenGLContext::aboutToBeDestroyed, this, &WaveformScope::CleanUp, Qt::DirectConnection);
 
   UploadTextureFromBuffer();

app/widget/viewer/manageddisplayobject.cpp

@@ -1,6 +0,0 @@
-#include "manageddisplayobject.h"
-
-ManagedDisplayObject::ManagedDisplayObject()
-{
-
-}

app/widget/viewer/manageddisplayobject.h

@@ -1,11 +0,0 @@
-#ifndef MANAGEDDISPLAYOBJECT_H
-#define MANAGEDDISPLAYOBJECT_H
-
-
-class ManagedDisplayObject
-{
-public:
-  ManagedDisplayObject();
-};
-
-#endif // MANAGEDDISPLAYOBJECT_H