From: vsv <vsv@opencascade.com>
Date: Mon, 3 Feb 2020 09:43:59 +0000 (+0300)
Subject: Update viewer after selection clear for OCCT 7.4.0.
X-Git-Tag: V9_5_0a1~39
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=bbf6e2c75c79cb80729eb85baecf4d1a17dd7ed8;p=modules%2Fshaper.git

Update viewer after selection clear for OCCT 7.4.0.
---

diff --git a/src/XGUI/XGUI_SelectionMgr.cpp b/src/XGUI/XGUI_SelectionMgr.cpp
index b7c1a65bc..49bcdcbd3 100644
--- a/src/XGUI/XGUI_SelectionMgr.cpp
+++ b/src/XGUI/XGUI_SelectionMgr.cpp
@@ -142,9 +142,14 @@ void XGUI_SelectionMgr::onViewerSelection()
   myLastSelectionPlace = ModuleBase_ISelection::Viewer;
   QList<ModuleBase_ViewerPrsPtr> aValues;
   Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
-  if (!aContext.IsNull())
+  if (!aContext.IsNull()) {
     aValues = selection()->getSelected(ModuleBase_ISelection::Viewer);
-
+    // Update is necessary for OCCT 7.4.0: when it is clears selection it doesn't updates viewer
+#if OCC_VERSION_HEX == 0x070400
+    if (aValues.isEmpty())
+      aContext->UpdateCurrentViewer();
+#endif
+  }
   QObjectPtrList anObjects;
   convertToObjectBrowserSelection(aValues, anObjects);
   myWorkshop->objectBrowser()->setObjectsSelected(anObjects);