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0026324: Visualization - fix iteration through corrupted memory in AIS_LocalContext::FindSelectedOwnerFromShape

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The signature of SelectMgr_ViewerSelector::ActiveOwners is changed to return output parameter to avoid crash
This commit is contained in:
vpa 2015-06-08 17:52:17 +03:00 committed by bugmaster
parent c3ec36b69f
commit 751955d4d7
3 changed files with 7 additions and 8 deletions
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6
src/AIS/AIS_LocalContext_1.cxx
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@ -1454,8 +1454,10 @@ Handle(SelectMgr_EntityOwner) AIS_LocalContext::FindSelectedOwnerFromShape(const
Standard_Boolean found(Standard_False);
if (!found) {
NCollection_List<Handle(SelectBasics_EntityOwner)>::Iterator anOwnersIt (myMainVS->ActiveOwners());
for (; anOwnersIt.More(); anOwnersIt.Next()) {
NCollection_List<Handle(SelectBasics_EntityOwner)> anActiveOwners;
myMainVS->ActiveOwners (anActiveOwners);
for (NCollection_List<Handle(SelectBasics_EntityOwner)>::Iterator anOwnersIt (anActiveOwners); anOwnersIt.More(); anOwnersIt.Next())
{
EO = Handle(SelectMgr_EntityOwner)::DownCast (anOwnersIt.Value());
Handle(StdSelect_BRepOwner) BROwnr = Handle(StdSelect_BRepOwner)::DownCast(EO);
if (!BROwnr.IsNull() && BROwnr->HasShape() && BROwnr->Shape() == sh) {

7
src/SelectMgr/SelectMgr_ViewerSelector.cxx
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@ -839,9 +839,8 @@ const Handle(SelectBasics_SensitiveEntity)& SelectMgr_ViewerSelector::DetectedEn
// function : ActiveOwners
// purpose : Returns the list of active entity owners
//=======================================================================
NCollection_List<Handle(SelectBasics_EntityOwner)> SelectMgr_ViewerSelector::ActiveOwners() const
void SelectMgr_ViewerSelector::ActiveOwners (NCollection_List<Handle(SelectBasics_EntityOwner)>& theOwners) const
{
NCollection_List<Handle(SelectBasics_EntityOwner)> anActiveOwners;
for (SelectMgr_MapOfObjectSensitivesIterator anIter (myMapOfObjectSensitives); anIter.More(); anIter.Next())
{
const NCollection_Handle<SelectMgr_SensitiveEntitySet>& anEntitySet = anIter.Value();
@ -850,10 +849,8 @@ NCollection_List<Handle(SelectBasics_EntityOwner)> SelectMgr_ViewerSelector::Act
{
if (anEntitySet->GetSensitiveById (anIdx)->IsActiveForSelection())
{
anActiveOwners.Append (anEntitySet->GetSensitiveById (anIdx)->BaseSensitive()->OwnerId());
theOwners.Append (anEntitySet->GetSensitiveById (anIdx)->BaseSensitive()->OwnerId());
}
}
}
return anActiveOwners;
}

2
src/SelectMgr/SelectMgr_ViewerSelector.hxx
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@ -203,7 +203,7 @@ public:
Standard_EXPORT TCollection_AsciiString Status (const Handle(SelectMgr_SelectableObject)& theSelectableObject) const;
//! Returns the list of active entity owners
Standard_EXPORT NCollection_List<Handle(SelectBasics_EntityOwner)> ActiveOwners() const;
Standard_EXPORT void ActiveOwners (NCollection_List<Handle(SelectBasics_EntityOwner)>& theOwners) const;
//! Adds new object to the map of selectable objects
Standard_EXPORT void AddSelectableObject (const Handle(SelectMgr_SelectableObject)& theObject);