From 4f1ef0e7497a84f7de1fa06e642730bf6a104a95 Mon Sep 17 00:00:00 2001
From: vsv <vitaly.smetannikov@opencascade.com>
Date: Thu, 4 Dec 2014 10:53:18 +0300
Subject: [PATCH] Issue #260: Avoid changes of display mode on Show Only
 command

---
 src/XGUI/XGUI_Displayer.cpp | 14 ++++++++++++++
 src/XGUI/XGUI_Displayer.h   |  4 ++++
 src/XGUI/XGUI_Workshop.cpp  | 14 +++++---------
 3 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/src/XGUI/XGUI_Displayer.cpp b/src/XGUI/XGUI_Displayer.cpp
index 6cd90a2fd..a65875761 100644
--- a/src/XGUI/XGUI_Displayer.cpp
+++ b/src/XGUI/XGUI_Displayer.cpp
@@ -609,3 +609,17 @@ void XGUI_Displayer::removeFilters()
     return;
   GetFilter()->Clear();
 }
+
+void XGUI_Displayer::showOnly(const QObjectPtrList& theList)
+{
+  QObjectPtrList aDispList = myResult2AISObjectMap.keys();
+  foreach(ObjectPtr aObj, aDispList) {
+    if (!theList.contains(aObj))
+      erase(aObj, false);
+  }
+  foreach(ObjectPtr aObj, theList) {
+    if (!isVisible(aObj))
+      display(aObj, false);
+  }
+  updateViewer();
+}
diff --git a/src/XGUI/XGUI_Displayer.h b/src/XGUI/XGUI_Displayer.h
index b18eb0f8d..d4167f5ba 100644
--- a/src/XGUI/XGUI_Displayer.h
+++ b/src/XGUI/XGUI_Displayer.h
@@ -144,6 +144,10 @@ class XGUI_EXPORT XGUI_Displayer
   DisplayMode displayMode(ObjectPtr theObject) const;
 
 
+  /// Displays only objects listed in the list
+  void showOnly(const QObjectPtrList& theList);
+
+  /// Returns number of displayed objects
   int objectsCount() const { return myResult2AISObjectMap.size(); }
 
  protected:
diff --git a/src/XGUI/XGUI_Workshop.cpp b/src/XGUI/XGUI_Workshop.cpp
index 820acdb56..d127172fc 100644
--- a/src/XGUI/XGUI_Workshop.cpp
+++ b/src/XGUI/XGUI_Workshop.cpp
@@ -1239,13 +1239,10 @@ void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
 {
   foreach (ObjectPtr aObj, theList)
   {
-    ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
-    if (aRes) {
-      if (isVisible) {
-        myDisplayer->display(aRes, false);
-      } else {
-        myDisplayer->erase(aRes, false);
-      }
+    if (isVisible) {
+      myDisplayer->display(aObj, false);
+    } else {
+      myDisplayer->erase(aObj, false);
     }
   }
   myDisplayer->updateViewer();
@@ -1254,8 +1251,7 @@ void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
 //**************************************************************
 void XGUI_Workshop::showOnlyObjects(const QObjectPtrList& theList)
 {
-  myDisplayer->eraseAll(false);
-  showObjects(theList, true);
+  myDisplayer->showOnly(theList);
 }
 
 
-- 
2.39.2