From 6e27c0b9861c2ea96b6e2d7ea6239e585bc962e0 Mon Sep 17 00:00:00 2001
From: vsv <vsv@opencascade.com>
Date: Fri, 31 Aug 2018 11:53:10 +0300
Subject: [PATCH] Switch On optimization of presentation search and context
 selection

---
 src/XGUI/XGUI_Displayer.h     |  2 ++
 src/XGUI/XGUI_ViewerProxy.cpp | 61 +++++++++++++++++------------------
 2 files changed, 32 insertions(+), 31 deletions(-)

diff --git a/src/XGUI/XGUI_Displayer.h b/src/XGUI/XGUI_Displayer.h
index 5989035e7..d409df927 100644
--- a/src/XGUI/XGUI_Displayer.h
+++ b/src/XGUI/XGUI_Displayer.h
@@ -48,6 +48,8 @@ class ModelAPI_Feature;
 class XGUI_SelectionActivate;
 class XGUI_Workshop;
 
+#define OPTIMIZE_PRS
+
 #ifdef TINSPECTOR
 class VInspectorAPI_CallBack;
 #endif
diff --git a/src/XGUI/XGUI_ViewerProxy.cpp b/src/XGUI/XGUI_ViewerProxy.cpp
index 8687cba06..d763573e3 100644
--- a/src/XGUI/XGUI_ViewerProxy.cpp
+++ b/src/XGUI/XGUI_ViewerProxy.cpp
@@ -319,37 +319,36 @@ void XGUI_ViewerProxy::eraseHighlight()
 
 void XGUI_ViewerProxy::onMouseMove(AppElements_ViewWindow* theWnd, QMouseEvent* theEvent)
 {
-  // vsv: Display prehighlighting of detected object
-  //Handle(AIS_InteractiveContext) aContext = AISContext();
-  //if (!aContext.IsNull()) {
-  //  Handle(SelectMgr_EntityOwner) aOwner;
-  //  Handle(AIS_InteractiveObject) anIO;
-  //  ObjectPtr aObj;
-  //  bool isDisplayed = false;
-  //  XGUI_Displayer* aDisplayer = myWorkshop->displayer();
-  //  for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
-  //    aOwner = aContext->DetectedOwner();
-  //    anIO = Handle(AIS_InteractiveObject)::DownCast(aOwner->Selectable());
-  //    aObj = aDisplayer->getObject(anIO);
-  //    if (aObj.get()) {
-  //      FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
-  //      if (aFeature.get()) {
-  //        if (aFeature != myFeature) {
-  //          eraseHighlight();
-  //          myFeature = aFeature;
-  //          displayHighlight();
-  //          aContext->UpdateCurrentViewer();
-  //        }
-  //        isDisplayed = true;
-  //      }
-  //    }
-  //  }
-  //  if (!isDisplayed) {
-  //    eraseHighlight();
-  //    aContext->UpdateCurrentViewer();
-  //    myFeature = FeaturePtr();
-  //  }
-  //}
+  Handle(AIS_InteractiveContext) aContext = AISContext();
+  if (!aContext.IsNull()) {
+    Handle(SelectMgr_EntityOwner) aOwner;
+    Handle(AIS_InteractiveObject) anIO;
+    ObjectPtr aObj;
+    bool isDisplayed = false;
+    XGUI_Displayer* aDisplayer = myWorkshop->displayer();
+    for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
+      aOwner = aContext->DetectedOwner();
+      anIO = Handle(AIS_InteractiveObject)::DownCast(aOwner->Selectable());
+      aObj = aDisplayer->getObject(anIO);
+      if (aObj.get()) {
+        FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
+        if (aFeature.get()) {
+          if (aFeature != myFeature) {
+            eraseHighlight();
+            myFeature = aFeature;
+            displayHighlight();
+            aContext->UpdateCurrentViewer();
+          }
+          isDisplayed = true;
+        }
+      }
+    }
+    if (!isDisplayed) {
+      eraseHighlight();
+      aContext->UpdateCurrentViewer();
+      myFeature = FeaturePtr();
+    }
+  }
   emit mouseMove(theWnd, theEvent);
 }
 
-- 
2.39.2