QScrollArea { background: #E6E6E6; } QSS rule used to make the viewport grey, but apparently Qt 6.11 changed its behavior

Author: jmarrec

src/openstudio_lib/OSCollapsibleItemList.cpp

@@ -54,6 +54,8 @@ OSCollapsibleItemList::OSCollapsibleItemList(bool addScrollArea, QWidget* parent
     outerVLayout->addWidget(scrollArea);
     scrollArea->setWidget(outerWidget);
     scrollArea->setWidgetResizable(true);
+    scrollArea->viewport()->setAutoFillBackground(false);
+    outerWidget->setAutoFillBackground(false);
   } else {
     outerVLayout->addWidget(outerWidget);
   }

src/openstudio_lib/OSInspectorView.cpp

@@ -49,6 +49,8 @@ OSInspectorView::OSInspectorView(bool addScrollArea, QWidget* parent) : QWidget(
     outerVLayout->addWidget(scrollArea);
     scrollArea->setWidget(m_stackedWidget);
     scrollArea->setWidgetResizable(true);
+    scrollArea->viewport()->setAutoFillBackground(false);
+    m_stackedWidget->setAutoFillBackground(false);
   } else {
     outerVLayout->addWidget(m_stackedWidget);
   }

src/openstudio_lib/OSItemList.cpp

@@ -54,6 +54,8 @@ OSItemList::OSItemList(OSVectorController* vectorController, bool addScrollArea,
     outerVLayout->addWidget(scrollArea);
     scrollArea->setWidget(outerWidget);
     scrollArea->setWidgetResizable(true);
+    scrollArea->viewport()->setAutoFillBackground(false);
+    outerWidget->setAutoFillBackground(false);
   } else {
     outerVLayout->addWidget(outerWidget);
   }