Visualize in-use sub-presentations on the timeline rows

The left-most part of a timeline row is colored for rows that have a
sub-presentation in-use. If a collapsed row has a descendant with a sub-presentation, it is highlighted in a different shade of the main
color.

Task-number: QT3DS-2100
Change-Id: Id26fb554050e5df8c635e71266ae52665d0ad836
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/Authoring/Studio/Palettes/Timeline/Bindings/Qt3DSDMTimelineItemBinding.cpp b/src/Authoring/Studio/Palettes/Timeline/Bindings/Qt3DSDMTimelineItemBinding.cpp
index 99be9332..8a1b1adb 100644
--- a/src/Authoring/Studio/Palettes/Timeline/Bindings/Qt3DSDMTimelineItemBinding.cpp
+++ b/src/Authoring/Studio/Palettes/Timeline/Bindings/Qt3DSDMTimelineItemBinding.cpp
@@ -301,6 +301,28 @@ bool Qt3DSDMTimelineItemBinding::ComponentHasAction(bool inMaster)
     return false;
 }
 
+bool Qt3DSDMTimelineItemBinding::hasSubpresentation() const
+{
+    CClientDataModelBridge *bridge(m_StudioSystem->GetClientDataModelBridge());
+    IPropertySystem *propSystem = m_StudioSystem->GetPropertySystem();
+    EStudioObjectType objType = GetObjectType();
+
+    if (objType == OBJTYPE_LAYER) {
+        SValue sourcePathValue;
+        propSystem->GetInstancePropertyValue(m_DataHandle, bridge->GetSourcePathProperty(),
+                                             sourcePathValue);
+        return get<TDataStrPtr>(sourcePathValue)->GetLength() > 0;
+    } else if (objType == OBJTYPE_IMAGE) {
+        SValue subPresValue;
+        propSystem->GetInstancePropertyValue(m_DataHandle,
+                                             bridge->GetSceneImage().m_SubPresentation,
+                                             subPresValue);
+        return get<TDataStrPtr>(subPresValue)->GetLength() > 0;
+    }
+
+    return false;
+}
+
 ITimelineTimebar *Qt3DSDMTimelineItemBinding::GetTimebar()
 {
     if (!m_TimelineTimebar)