From 77b44e467b8a8ab3a5b20b8719e593f4f24dc25e Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Fri, 12 Feb 2016 14:16:17 +0300
Subject: [PATCH] #1310 Selection by rectangle on compsolid append it twice in
 multi-selection control

---
 src/ModuleBase/ModuleBase_ViewerPrs.cpp | 37 ++++++++++++++++++++++++-
 src/ModuleBase/ModuleBase_ViewerPrs.h   |  9 +-----
 2 files changed, 37 insertions(+), 9 deletions(-)

diff --git a/src/ModuleBase/ModuleBase_ViewerPrs.cpp b/src/ModuleBase/ModuleBase_ViewerPrs.cpp
index c515e2b4b..deb08fd53 100644
--- a/src/ModuleBase/ModuleBase_ViewerPrs.cpp
+++ b/src/ModuleBase/ModuleBase_ViewerPrs.cpp
@@ -6,6 +6,8 @@
 
 #include "ModuleBase_ViewerPrs.h"
 
+#include <ModuleBase_ResultPrs.h>
+
 ModuleBase_ViewerPrs::ModuleBase_ViewerPrs()
 {
 
@@ -18,10 +20,43 @@ ModuleBase_ViewerPrs::ModuleBase_ViewerPrs(ObjectPtr theResult,
   myShape(theShape),
   myOwner(theOwner)
 {
-
 }
 
 ModuleBase_ViewerPrs::~ModuleBase_ViewerPrs()
 {
+}
 
+bool ModuleBase_ViewerPrs::operator==(const ModuleBase_ViewerPrs& thePrs)
+{
+  bool isEqualResult = (myResult.get() == thePrs.object().get());
+  bool isEqualShape = myShape.IsEqual(thePrs.shape()) == Standard_True;
+  bool isEqualIO = (myInteractive == thePrs.interactive()) == Standard_True;
+
+  bool isEqualOwner = (myOwner.Access() == thePrs.owner().Access());
+  if (isEqualResult && isEqualShape && isEqualIO &&
+      !isEqualOwner) { /// owners are different
+    // as we might loading object with the same shape in different modes like
+    // "objects" and "other", it is possible that two owners are created linked
+    // to one shape. We should accept such ViewerPrs as equal to current in order
+    // to do not use the same <result, shape> twice
+    Handle(StdSelect_BRepOwner) anOwner1 = Handle(StdSelect_BRepOwner)::DownCast(myOwner);
+    Handle(StdSelect_BRepOwner) anOwner2 = Handle(StdSelect_BRepOwner)::DownCast(thePrs.owner());
+    if (!anOwner1.IsNull() && !anOwner2.IsNull())
+      isEqualOwner = anOwner1->Shape() == anOwner2->Shape();
+  }
+
+  if (isEqualResult && isEqualShape &&
+      !isEqualIO) { /// AIS are different
+    // check that the owner is a fictive owner for compsolid object, created in the
+    // ComputeSelection of ModuleBase_ResultPrs. A new owner is created there for each subsolid
+    // and set in the sub-solid AIS. ViewerPrs of these fictive owners are accepted as equal
+    // as they use the same shape and result(of compsolid)
+    Handle(ModuleBase_BRepOwner) aCSolidOwner1 = Handle(ModuleBase_BRepOwner)::DownCast(myOwner);
+    Handle(ModuleBase_BRepOwner) aCSolidOwner2 = Handle(ModuleBase_BRepOwner)::DownCast(thePrs.owner());
+    isEqualIO = !aCSolidOwner1.IsNull() && !aCSolidOwner2.IsNull();
+    if (!aCSolidOwner1.IsNull() && !aCSolidOwner1.IsNull())
+      isEqualOwner = aCSolidOwner1->Shape() == aCSolidOwner1->Shape();
+  }
+
+  return isEqualResult && isEqualShape && isEqualOwner && isEqualIO;
 }
diff --git a/src/ModuleBase/ModuleBase_ViewerPrs.h b/src/ModuleBase/ModuleBase_ViewerPrs.h
index 71f2cd627..723a15fb6 100644
--- a/src/ModuleBase/ModuleBase_ViewerPrs.h
+++ b/src/ModuleBase/ModuleBase_ViewerPrs.h
@@ -101,14 +101,7 @@ class ModuleBase_ViewerPrs
 
   /// Returns True if the current object is equal to the given one
   /// \param thePrs an object to compare
-  MODULEBASE_EXPORT bool operator==(const ModuleBase_ViewerPrs& thePrs)
-  {
-    bool aResult = (myResult.get() == thePrs.object().get());
-    bool aOwner = (myOwner.Access() == thePrs.owner().Access());
-    bool aShape = myShape.IsEqual(thePrs.shape()) == Standard_True;
-    bool aIO = (myInteractive == thePrs.interactive()) == Standard_True;
-    return aResult && aOwner && aShape && aIO;
-  }
+  MODULEBASE_EXPORT bool operator==(const ModuleBase_ViewerPrs& thePrs);
 
  private:
   ObjectPtr myResult;  /// the feature
-- 
2.39.2