BUG: Fix missing widget parent in tests

Modules/Wrappers/QtWidget/test/otbWrapperQtWidgetParameterFactory.cxx

@@ -114,10 +114,10 @@ int otbWrapperQtWidgetParameterFactory(int argc, char* argv[])
   choiceParam->AddChoice("choice2", "Choice 2");
   choiceParam->AddChoice("choice3", "Choice 3");
 
-  QWidget * intWidget   = factory->CreateQtWidget(intParam, model);
-  QWidget * floatWidget = factory->CreateQtWidget(floatParam, model);
-  QWidget * emptyWidget = factory->CreateQtWidget(emptyParam, model);
-  QWidget * choiceWidget = factory->CreateQtWidget(choiceParam, model);
+  QWidget * intWidget   = factory->CreateQtWidget(intParam, model, nullptr);
+  QWidget * floatWidget = factory->CreateQtWidget(floatParam, model, nullptr);
+  QWidget * emptyWidget = factory->CreateQtWidget(emptyParam, model, nullptr);
+  QWidget * choiceWidget = factory->CreateQtWidget(choiceParam, model, nullptr);
 
   if(intWidget)
     {
@@ -238,7 +238,7 @@ int otbWrapperQtWidgetParameterGroup(int argc, char* argv[])
   group2->AddParameter(otb::Wrapper::Parameter::Pointer(stringParam2.GetPointer()));
   group2->AddParameter(otb::Wrapper::Parameter::Pointer(list.GetPointer()));
 
-  QWidget * group = new otb::Wrapper::QtWidgetParameterGroup(group2, model);
+  QWidget * group = new otb::Wrapper::QtWidgetParameterGroup(group2, model, nullptr);
 
   if(group)
     {

Modules/Wrappers/QtWidget/test/otbWrapperQtWidgetShowWidget.cxx

@@ -73,14 +73,14 @@ int otbWrapperQtWidgetShowWidget(int argc, char* argv[])
     QMainWindow* mainWindow =  new QMainWindow();
   
     // Create GUI based on module
-    QtWidgetView* gui = new QtWidgetView(app);
+    QtWidgetView* gui = new QtWidgetView(app, mainWindow);
     gui->CreateGui();
   
     // Connect the View "Quit" signal, to the mainWindow close slot
     QObject::connect(gui, SIGNAL(QuitSignal()), mainWindow, SLOT(close()));
   
     // Create a progressReport object
-    QtWidgetProgressReport* progressReport =  new QtWidgetProgressReport(gui->GetModel());
+    QtWidgetProgressReport* progressReport =  new QtWidgetProgressReport(gui->GetModel(), mainWindow);
     progressReport->SetApplication(app);
   
     // Create a dock widget containing the progress widget