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[modules/smesh.git] / src / SMESHGUI / SMESHGUI_HypothesesUtils.cxx
index 8dd81441a6b23d4e1aac0fd3016263970f530946..8a07c2b9b206b7bd60e86e4946c2270f445b1951 100644 (file)
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2024  CEA, EDF, OPEN CASCADE
 //
 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
@@ -6,7 +6,7 @@
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 // License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 #include "SMESHGUI_HypothesesUtils.h"
 
 #include "SMESHGUI.h"
+#include "SMESHGUI_GEOMGenUtils.h"
 #include "SMESHGUI_Hypotheses.h"
-#include "SMESHGUI_XmlHandler.h"
 #include "SMESHGUI_Utils.h"
-#include "SMESHGUI_GEOMGenUtils.h"
+#include "SMESHGUI_VTKUtils.h"
+#include "SMESHGUI_XmlHandler.h"
+
+#include <SMESH_Actor.h>
+#include <SMESH_TryCatch.hxx>
 
 // SALOME GUI includes
 #include <SUIT_Desktop.h>
 #include <string>
 
 // Qt includes
-#include <QMap>
 #include <QDir>
-//#include <QList>
 
 
 // Other includes
-#ifdef WNT
+#ifdef WIN32
 #include <windows.h>
 #else
 #include <dlfcn.h>
 #endif
 
-#ifdef WNT
-#define LibHandle HMODULE
-#define LoadLib( name ) LoadLibrary( name )
-#define GetProc GetProcAddress
-#define UnLoadLib( handle ) FreeLibrary( handle );
-#else
-#define LibHandle void*
-#define LoadLib( name ) dlopen( name, RTLD_LAZY )
-#define GetProc dlsym
-#define UnLoadLib( handle ) dlclose( handle );
-#endif
-
-#ifdef _DEBUG_
-static int MYDEBUG = 1;
-#else
-static int MYDEBUG = 0;
-#endif
+#ifdef WIN32
+ #define LibHandle HMODULE
+ #define LoadLib( name ) LoadLibrary( name )
+ #define GetProc GetProcAddress
+ #define UnLoadLib( handle ) FreeLibrary( handle );
+ #define env_sep ";"
+#else // WIN32
+ #define LibHandle void*
+ #ifdef DYNLOAD_LOCAL
+  #define LoadLib( name ) dlopen( name, RTLD_LAZY | RTLD_LOCAL )
+ #else // DYNLOAD_LOCAL
+  #define LoadLib( name ) dlopen( name, RTLD_LAZY | RTLD_GLOBAL )
+ #endif // DYNLOAD_LOCAL
+ #define GetProc dlsym
+ #define UnLoadLib( handle ) dlclose( handle );
+ #define env_sep ":"
+#endif // WIN32
 
 namespace SMESH
 {
   typedef IMap<QString,HypothesisData*> THypothesisDataMap;
   THypothesisDataMap myHypothesesMap;
   THypothesisDataMap myAlgorithmsMap;
-  
+
   // BUG 0020378
   //typedef QMap<QString,SMESHGUI_GenericHypothesisCreator*> THypCreatorMap;
   //THypCreatorMap myHypCreatorMap;
 
   QList<HypothesesSet*> myListOfHypothesesSets;
 
-  void processHypothesisStatus(const int theHypStatus,
+  void processHypothesisStatus(const int                   theHypStatus,
                                SMESH::SMESH_Hypothesis_ptr theHyp,
-                               const bool theIsAddition)
+                               const bool                  theIsAddition,
+                               const char*                 theError = 0)
   {
     if (theHypStatus > SMESH::HYP_OK) {
       // get Hyp name
       QString aHypName ("NULL Hypothesis");
       if (!CORBA::is_nil(theHyp)) {
         _PTR(SObject) Shyp = SMESH::FindSObject(theHyp);
-        if (Shyp)
+        if (Shyp) {
           // name in study
           aHypName = Shyp->GetName().c_str();
-        else
+        }
+        else {
           // label in xml file
-          aHypName = GetHypothesisData(theHyp->GetName())->Label;
+          CORBA::String_var hypType = theHyp->GetName();
+          aHypName = GetHypothesisData( hypType.in() )->Label;
+        }
       }
 
       // message
@@ -116,12 +122,22 @@ namespace SMESH
       else
         aMsg = (isFatal ? "SMESH_CANT_RM_HYP"  : "SMESH_RM_HYP_WRN");
 
-      aMsg = QObject::tr(aMsg.toLatin1().data()).arg(aHypName) +
-        QObject::tr(QString("SMESH_HYP_%1").arg(theHypStatus).toLatin1().data());
+      aMsg = QObject::tr(aMsg.toLatin1().data()).arg(aHypName);
 
-      if ( theHypStatus == SMESH::HYP_HIDDEN_ALGO ) // PAL18501
-        aMsg = aMsg.arg( GetHypothesisData(theHyp->GetName())->Dim[0] );
+      if ( theError && theError[0] )
+      {
+        aMsg += theError;
+      }
+      else
+      {
+        aMsg += QObject::tr(QString("SMESH_HYP_%1").arg(theHypStatus).toLatin1().data());
 
+        if ( theHypStatus == SMESH::HYP_HIDDEN_ALGO ) { // PAL18501
+          CORBA::String_var hypType = theHyp->GetName();
+          if ( HypothesisData* hd = GetHypothesisData( hypType.in() ))
+            aMsg = aMsg.arg( hd->Dim[0] );
+        }
+      }
       SUIT_MessageBox::warning(SMESHGUI::desktop(),
                                QObject::tr("SMESH_WRN_WARNING"),
                                aMsg);
@@ -166,7 +182,8 @@ namespace SMESH
   void InitAvailableHypotheses()
   {
     SUIT_OverrideCursor wc;
-    if (myHypothesesMap.empty() && myAlgorithmsMap.empty()) {
+    if ( myHypothesesMap.empty() && myAlgorithmsMap.empty() )
+    {
       // Resource manager
       SUIT_ResourceMgr* resMgr = SMESHGUI::resourceMgr();
       if (!resMgr) return;
@@ -177,7 +194,7 @@ namespace SMESH
       if (cenv)
         HypsXml.sprintf("%s", cenv);
 
-      QStringList HypsXmlList = HypsXml.split(":", QString::SkipEmptyParts);
+      QStringList HypsXmlList = HypsXml.split(env_sep, QString::SkipEmptyParts);
       if (HypsXmlList.count() == 0) {
         SUIT_MessageBox::critical(SMESHGUI::desktop(),
                                   QObject::tr("SMESH_WRN_WARNING"),
@@ -220,22 +237,21 @@ namespace SMESH
           if (ok) {
 
             THypothesisDataMap::ConstIterator it1 = aXmlHandler->myHypothesesMap.begin();
-            
+
             for( ;it1 != aXmlHandler->myHypothesesMap.end(); it1++)
               myHypothesesMap.insert( it1.key(), it1.value() );
-            
-            
+
             it1 = aXmlHandler->myAlgorithmsMap.begin();
             for( ;it1 != aXmlHandler->myAlgorithmsMap.end(); it1++)
               myAlgorithmsMap.insert( it1.key(), it1.value() );
-            
-            QList<HypothesesSet*>::iterator it, pos = myListOfHypothesesSets.begin();
-            for ( it = aXmlHandler->myListOfHypothesesSets.begin(); 
+
+            QList<HypothesesSet*>::iterator it;
+            for ( it = aXmlHandler->myListOfHypothesesSets.begin();
                   it != aXmlHandler->myListOfHypothesesSets.end();
                   ++it )
             {
               (*it)->setIsCustom( i == 0 );
-              myListOfHypothesesSets.insert( pos, *it );
+              myListOfHypothesesSets.append( *it );
             }
           }
           else {
@@ -267,30 +283,32 @@ namespace SMESH
   }
 
 
-  QStringList GetAvailableHypotheses( const bool isAlgo, 
-                                      const int theDim,                          
+  QStringList GetAvailableHypotheses( const bool isAlgo,
+                                      const int  theDim,
                                       const bool isAux,
-                                      const bool isNeedGeometry)
+                                      const bool hasGeometry,
+                                      const bool isSubMesh)
   {
     QStringList aHypList;
 
     // Init list of available hypotheses, if needed
     InitAvailableHypotheses();
-    bool checkGeometry = ( !isNeedGeometry && isAlgo );
+    bool checkGeometry = ( isAlgo );
+    const char* context = isSubMesh ? "LOCAL" : "GLOBAL";
     // fill list of hypotheses/algorithms
     THypothesisDataMap& pMap = isAlgo ? myAlgorithmsMap : myHypothesesMap;
     THypothesisDataMap::ConstIterator anIter;
-    for ( anIter = pMap.begin(); anIter != pMap.end(); anIter++ ) {
+    for ( anIter = pMap.begin(); anIter != pMap.end(); anIter++ )
+    {
       HypothesisData* aData = anIter.value();
-      if(!aData || aData->Label.isEmpty()) continue;
-      if ( ( theDim < 0 || aData->Dim.contains( theDim ) ) && aData->IsAux == isAux) {
-        if (checkGeometry) {
-          if (aData->IsNeedGeometry == isNeedGeometry)
-            aHypList.append(anIter.key());
-        }
-        else {
-          aHypList.append(anIter.key());
-        }
+      if (( aData && !aData->Label.isEmpty() ) &&
+          ( theDim < 0              || aData->Dim.contains( theDim )) &&
+          ( isAlgo                  || aData->IsAuxOrNeedHyp == isAux ) &&
+          ( aData->Context == "ANY" || aData->Context == context ) &&
+          ( !checkGeometry          || (!aData->IsNeedGeometry  ||
+                                        ( aData->IsNeedGeometry > 0 ) == hasGeometry)))
+      {
+        aHypList.append(anIter.key());
       }
     }
     return aHypList;
@@ -303,26 +321,24 @@ namespace SMESH
 
     // Init list of available hypotheses, if needed
     InitAvailableHypotheses();
-
     QList<HypothesesSet*>::iterator hypoSet;
-    for ( hypoSet  = myListOfHypothesesSets.begin(); 
-          hypoSet != myListOfHypothesesSets.end();
-          ++hypoSet ) {
+    for ( hypoSet  = myListOfHypothesesSets.begin();
+        hypoSet != myListOfHypothesesSets.end();
+        ++hypoSet ) {
       HypothesesSet* aSet = *hypoSet;
-      if ( aSet &&
-           ( aSet->count( true ) || aSet->count( false )) &&
-           aSet->maxDim() <= maxDim)
+      if ( aSet && 0 <= aSet->maxDim() && aSet->maxDim() <= maxDim )
       {
         aSetNameList.append( mangledHypoSetName( aSet ));
       }
     }
+    aSetNameList.removeDuplicates();
     aSetNameList.sort();
 
     //  reverse order of aSetNameList
     QStringList reversedNames;
     for ( int i = 0; i < aSetNameList.count(); ++i )
       reversedNames.prepend( aSetNameList[i] );
-    
+
     return reversedNames;
   }
 
@@ -330,7 +346,7 @@ namespace SMESH
   {
     QString name = demangledHypoSetName( theSetName );
     QList<HypothesesSet*>::iterator hypoSet;
-    for ( hypoSet  = myListOfHypothesesSets.begin(); 
+    for ( hypoSet  = myListOfHypothesesSets.begin();
           hypoSet != myListOfHypothesesSets.end();
           ++hypoSet ) {
       HypothesesSet* aSet = *hypoSet;
@@ -356,6 +372,90 @@ namespace SMESH
     return aHypData;
   }
 
+  //================================================================================
+  /*!
+   * \brief Return the HypothesisData holding a name of a group of hypotheses
+   *        a given hypothesis belongs to
+   */
+  //================================================================================
+
+  HypothesisData* GetGroupTitle( const HypothesisData* hyp, const bool isAlgo )
+  {
+    static std::vector< std::vector< HypothesisData > > theGroups;
+    if ( theGroups.empty() )
+    {
+      theGroups.resize(14); // 14: isAlgo * 10 + dim
+
+      QString dummyS("GROUP");
+      QList<int> dummyIL; dummyIL << 1;
+      QStringList dummySL;
+      HypothesisData group( dummyS,dummyS,dummyS,dummyS,dummyS,dummyS,dummyS,-1,-1,
+                            dummyIL, 0, dummySL,dummySL,dummySL,dummySL,0,0 );
+      // no group
+      int key = 0;
+      theGroups[ key ].push_back( group );
+
+      // 1D algo
+      key = 11;
+      //        0: Basic
+      group.Label = "GROUP:" + QObject::tr( "SMESH_1D_ALGO_GROUP_BASIC" );
+      theGroups[ key ].push_back( group );
+      //        1: Advanced
+      group.Label = "GROUP:" + QObject::tr( "SMESH_1D_ALGO_GROUP_ADVANCED" );
+      theGroups[ key ].push_back( group );
+
+      // 1D hypotheses
+      key = 01;
+      //        0: Basic
+      group.Label = "GROUP:" + QObject::tr( "SMESH_1D_HYP_GROUP_BASIC" );
+      theGroups[ key ].push_back( group );
+      //        1: Progression
+      group.Label = "GROUP:" + QObject::tr( "SMESH_1D_HYP_GROUP_PROGRESSION" );
+      theGroups[ key ].push_back( group );
+      //        2: Advanced
+      group.Label = "GROUP:" + QObject::tr( "SMESH_1D_HYP_GROUP_ADVANCED" );
+      theGroups[ key ].push_back( group );
+
+      // 2D algo
+      key = 12;
+      //        0: Regular
+      group.Label = "GROUP:" + QObject::tr( "SMESH_2D_ALGO_GROUP_REGULAR" );
+      theGroups[ key ].push_back( group );
+      //        1: Free
+      group.Label = "GROUP:" + QObject::tr( "SMESH_2D_ALGO_GROUP_FREE" );
+      theGroups[ key ].push_back( group );
+      //        2: Advanced
+      group.Label = "GROUP:" + QObject::tr( "SMESH_2D_ALGO_GROUP_ADVANCED" );
+      theGroups[ key ].push_back( group );
+
+      // 3D algo
+      key = 13;
+      //        0: Regular
+      group.Label = "GROUP:" + QObject::tr( "SMESH_3D_ALGO_GROUP_REGULAR" );
+      theGroups[ key ].push_back( group );
+      //        1: Free
+      group.Label = "GROUP:" + QObject::tr( "SMESH_3D_ALGO_GROUP_FREE" );
+      theGroups[ key ].push_back( group );
+      //        2: Advanced
+      group.Label = "GROUP:" + QObject::tr( "SMESH_3D_ALGO_GROUP_ADVANCED" );
+      theGroups[ key ].push_back( group );
+    }
+
+    size_t key = 0, groupID = 0;
+    if ( hyp && !hyp->Dim.isEmpty() )
+    {
+      key     = hyp->Dim[0] + isAlgo * 10;
+      groupID = hyp->GroupID;
+    }
+
+    if ( key < theGroups.size() && !theGroups[ key ].empty() )
+    {
+      std::vector< HypothesisData > & group = theGroups[ key ];
+      return & ( groupID < group.size() ? group[ groupID ] : group.back() );
+    }
+    return & theGroups[ 0 ][ 0 ];
+  }
+
   bool IsAvailableHypothesis(const HypothesisData* algoData,
                              const QString&        hypType,
                              bool&                 isAuxiliary)
@@ -363,9 +463,9 @@ namespace SMESH
     isAuxiliary = false;
     if ( !algoData )
       return false;
-    if ( algoData->NeededHypos.contains( hypType ))
+    if ( algoData->BasicHypos.contains( hypType ))
       return true;
-    if ( algoData->OptionalHypos.contains( hypType)) {
+    if ( algoData->OptionalHypos.contains( hypType )) {
       isAuxiliary = true;
       return true;
     }
@@ -391,7 +491,7 @@ namespace SMESH
 
   SMESHGUI_GenericHypothesisCreator* GetHypothesisCreator(const QString& aHypType)
   {
-    if(MYDEBUG) MESSAGE("Get HypothesisCreator for " << aHypType.toLatin1().data());
+    MESSAGE("Get HypothesisCreator for " << aHypType.toLatin1().data());
 
     SMESHGUI_GenericHypothesisCreator* aCreator = 0;
 
@@ -407,7 +507,7 @@ namespace SMESH
 
       // 2. Get names of plugin libraries
       HypothesisData* aHypData = GetHypothesisData(aHypType);
-      if (!aHypData) 
+      if (!aHypData)
         return aCreator;
 
       QString aClientLibName = aHypData->ClientLibName;
@@ -416,36 +516,51 @@ namespace SMESH
       // 3. Load Client Plugin Library
       try {
         // load plugin library
-        if(MYDEBUG) MESSAGE("Loading client meshers plugin library ...");
-        LibHandle libHandle = LoadLib( aClientLibName.toLatin1().data() );
+        MESSAGE("Loading client meshers plugin library ...");
+#ifdef WIN32
+#ifdef UNICODE
+        LPTSTR path = new TCHAR[aClientLibName.length() + 1];
+        path[aClientLibName.toWCharArray(path)] = '\0';
+#else
+        QByteArray baPath = aClientLibName.toUtf8();
+        const char* path = baPath.data();
+#endif
+#else
+        QByteArray baPath = aClientLibName.toUtf8();
+        char* path = baPath.data();
+#endif
+        LibHandle libHandle = LoadLib( path );
+#if defined(WIN32) && defined(UNICODE)
+      delete path;
+#endif
         if (!libHandle) {
-          // report any error, if occured
+          // report any error, if occurred
           {
 #ifdef WIN32
             const char* anError = "Can't load client meshers plugin library";
 #else
-            const char* anError = dlerror();      
+            const char* anError = dlerror();
 #endif
             INFOS(anError); // always display this kind of error !
           }
         }
         else {
           // get method, returning hypothesis creator
-          if(MYDEBUG) MESSAGE("Find GetHypothesisCreator() method ...");
+          MESSAGE("Find GetHypothesisCreator() method ...");
           typedef SMESHGUI_GenericHypothesisCreator* (*GetHypothesisCreator) \
             ( const QString& );
           GetHypothesisCreator procHandle =
             (GetHypothesisCreator)GetProc(libHandle, "GetHypothesisCreator");
           if (!procHandle) {
-            if(MYDEBUG) MESSAGE("bad hypothesis client plugin library");
+            MESSAGE("bad hypothesis client plugin library");
             UnLoadLib(libHandle);
           }
           else {
             // get hypothesis creator
-            if(MYDEBUG) MESSAGE("Get Hypothesis Creator for " << aHypType.toLatin1().data());
+            MESSAGE("Get Hypothesis Creator for " << aHypType.toLatin1().data());
             aCreator = procHandle( aHypType );
             if (!aCreator) {
-              if(MYDEBUG) MESSAGE("no such a hypothesis in this plugin");
+              MESSAGE("no such a hypothesis in this plugin");
             }
             else {
               // map hypothesis creator to a hypothesis name
@@ -454,9 +569,9 @@ namespace SMESH
 
               //rnv : This dynamic property of the QObject stores the name of the plugin.
               //      It is used to obtain plugin root dir environment variable
-              //      in the SMESHGUI_HypothesisDlg class. Plugin root dir environment 
+              //      in the SMESHGUI_HypothesisDlg class. Plugin root dir environment
               //      variable is used to display documentation.
-              aCreator->setProperty(PLUGIN_NAME,aHypData->PluginName);
+              aCreator->setProperty(SMESH::Plugin_Name(),aHypData->PluginName);
             }
           }
         }
@@ -472,16 +587,16 @@ namespace SMESH
 
   SMESH::SMESH_Hypothesis_ptr CreateHypothesis(const QString& aHypType,
                                                const QString& aHypName,
-                                               const bool isAlgo)
+                                               const bool /*isAlgo*/)
   {
-    if(MYDEBUG) MESSAGE("Create " << aHypType.toLatin1().data() << 
+    MESSAGE("Create " << aHypType.toLatin1().data() <<
                         " with name " << aHypName.toLatin1().data());
     HypothesisData* aHypData = GetHypothesisData(aHypType);
     QString aServLib = aHypData->ServerLibName;
     try {
       SMESH::SMESH_Hypothesis_var aHypothesis;
       aHypothesis = SMESHGUI::GetSMESHGen()->CreateHypothesis(aHypType.toLatin1().data(),
-                                                              aServLib.toLatin1().data());
+                                                              aServLib.toUtf8().data());
       if (!aHypothesis->_is_nil()) {
         _PTR(SObject) aHypSObject = SMESH::FindSObject(aHypothesis.in());
         if (aHypSObject) {
@@ -499,10 +614,28 @@ namespace SMESH
     return SMESH::SMESH_Hypothesis::_nil();
   }
 
+  bool IsApplicable(const QString&        aHypType,
+                    GEOM::GEOM_Object_ptr theGeomObject,
+                    const bool            toCheckAll)
+  {
+    if ( getenv("NO_LIMIT_ALGO_BY_SHAPE")) // allow a workaround for a case if
+      return true;                         // IsApplicable() returns false due to a bug
+
+    HypothesisData* aHypData = GetHypothesisData(aHypType);
+    QString aServLib = aHypData->ServerLibName;
+    SMESH_TRY;
+    return SMESHGUI::GetSMESHGen()->IsApplicable( aHypType.toLatin1().data(),
+                                                  aServLib.toUtf8().data(),
+                                                  theGeomObject,
+                                                  toCheckAll);
+    SMESH_CATCH( SMESH::printErrorInDebugMode );
+    return false;
+  }
+
 
   bool AddHypothesisOnMesh (SMESH::SMESH_Mesh_ptr aMesh, SMESH::SMESH_Hypothesis_ptr aHyp)
   {
-    if(MYDEBUG) MESSAGE ("SMESHGUI::AddHypothesisOnMesh");
+    MESSAGE ("SMESHGUI::AddHypothesisOnMesh");
     int res = SMESH::HYP_UNKNOWN_FATAL;
     SUIT_OverrideCursor wc;
 
@@ -510,16 +643,12 @@ namespace SMESH
       _PTR(SObject) SM = SMESH::FindSObject(aMesh);
       GEOM::GEOM_Object_var aShapeObject = SMESH::GetShapeOnMeshOrSubMesh(SM);
       try {
-        res = aMesh->AddHypothesis(aShapeObject, aHyp);
-        if (res < SMESH::HYP_UNKNOWN_FATAL) {
-          _PTR(SObject) aSH = SMESH::FindSObject(aHyp);
-          if (SM && aSH) {
-            SMESH::ModifiedMesh(SM, false, aMesh->NbNodes()==0);
-          }
-        }
+        CORBA::String_var error;
+        res = aMesh->AddHypothesis(aShapeObject, aHyp, error.out());
+        UpdateViewer(aMesh);
         if (res > SMESH::HYP_OK) {
           wc.suspend();
-          processHypothesisStatus(res, aHyp, true);
+          processHypothesisStatus(res, aHyp, true, error.in() );
           wc.resume();
         }
       }
@@ -535,25 +664,23 @@ namespace SMESH
 
   bool AddHypothesisOnSubMesh (SMESH::SMESH_subMesh_ptr aSubMesh, SMESH::SMESH_Hypothesis_ptr aHyp)
   {
-    if(MYDEBUG) MESSAGE("SMESHGUI::AddHypothesisOnSubMesh() ");
+    MESSAGE("SMESHGUI::AddHypothesisOnSubMesh() ");
     int res = SMESH::HYP_UNKNOWN_FATAL;
     SUIT_OverrideCursor wc;
 
-    if (!aSubMesh->_is_nil() && ! aHyp->_is_nil()) {
+    if ( !aSubMesh->_is_nil() && !aHyp->_is_nil() ) {
       try {
         SMESH::SMESH_Mesh_var aMesh = aSubMesh->GetFather();
         _PTR(SObject) SsubM = SMESH::FindSObject(aSubMesh);
         GEOM::GEOM_Object_var aShapeObject = SMESH::GetShapeOnMeshOrSubMesh(SsubM);
-        if (!aMesh->_is_nil() && SsubM && !aShapeObject->_is_nil()) {
-          res = aMesh->AddHypothesis(aShapeObject, aHyp);
-          if (res < SMESH::HYP_UNKNOWN_FATAL)  {
-            _PTR(SObject) meshSO = SMESH::FindSObject(aMesh);
-            if (meshSO)
-              SMESH::ModifiedMesh(meshSO, false, aMesh->NbNodes()==0);
-          }
+        if (!aMesh->_is_nil() && SsubM && !aShapeObject->_is_nil())
+        {
+          CORBA::String_var error;
+          res = aMesh->AddHypothesis( aShapeObject, aHyp, error.out() );
+          UpdateViewer(aMesh);
           if (res > SMESH::HYP_OK) {
             wc.suspend();
-            processHypothesisStatus(res, aHyp, true);
+            processHypothesisStatus( res, aHyp, true, error.in() );
             wc.resume();
           }
         }
@@ -583,32 +710,32 @@ namespace SMESH
     SUIT_OverrideCursor wc;
 
     try {
-      _PTR(Study) aStudy = GetActiveStudyDocument();
+      _PTR(Study) aStudy = getStudy();
       _PTR(SObject) aHypObj = aStudy->FindObjectID( IObject->getEntry() );
       if( aHypObj )
+      {
+        _PTR(SObject) MorSM = SMESH::GetMeshOrSubmesh( aHypObj );
+        _PTR(SObject) aRealHypo;
+        if( aHypObj->ReferencedObject( aRealHypo ) )
         {
-          _PTR(SObject) MorSM = SMESH::GetMeshOrSubmesh( aHypObj );
-          _PTR(SObject) aRealHypo;
-          if( aHypObj->ReferencedObject( aRealHypo ) )
-            {
-              SMESH_Hypothesis_var hypo = SMESH_Hypothesis::_narrow( SObjectToObject( aRealHypo ) );
-              RemoveHypothesisOrAlgorithmOnMesh( MorSM, hypo );
-            }
-          else
-            {
-              SMESH_Hypothesis_var hypo = SMESH_Hypothesis::_narrow( SObjectToObject( aHypObj ) );
-              SObjectList meshList = GetMeshesUsingAlgoOrHypothesis( hypo );
-              for( int i = 0; i < meshList.size(); i++ )
-                RemoveHypothesisOrAlgorithmOnMesh( meshList[ i ], hypo );
-            }
+          SMESH_Hypothesis_var hypo = SMESH_Hypothesis::_narrow( SObjectToObject( aRealHypo ) );
+          RemoveHypothesisOrAlgorithmOnMesh( MorSM, hypo );
+        }
+        else
+        {
+          SMESH_Hypothesis_var hypo = SMESH_Hypothesis::_narrow( SObjectToObject( aHypObj ) );
+          SObjectList meshList = GetMeshesUsingAlgoOrHypothesis( hypo );
+          for( size_t i = 0; i < meshList.size(); i++ )
+            RemoveHypothesisOrAlgorithmOnMesh( meshList[ i ], hypo );
         }
+      }
     }
     catch(const SALOME::SALOME_Exception& S_ex)
-      {
-        wc.suspend();
-        SalomeApp_Tools::QtCatchCorbaException(S_ex);
-        res = SMESH::HYP_UNKNOWN_FATAL;
-      }
+    {
+      wc.suspend();
+      SalomeApp_Tools::QtCatchCorbaException(S_ex);
+      res = SMESH::HYP_UNKNOWN_FATAL;
+    }
     return res < SMESH::HYP_UNKNOWN_FATAL;
   }
 
@@ -627,29 +754,19 @@ namespace SMESH
         if (!aSubMesh->_is_nil())
           aMesh = aSubMesh->GetFather();
 
-        if (!aMesh->_is_nil()) {    
+        if (!aMesh->_is_nil()) {
           if (aMesh->HasShapeToMesh() && !aShapeObject->_is_nil()) {
             res = aMesh->RemoveHypothesis(aShapeObject, anHyp);
-            if (res < SMESH::HYP_UNKNOWN_FATAL) {
-              _PTR(SObject) meshSO = SMESH::FindSObject(aMesh);
-              if (meshSO)
-                SMESH::ModifiedMesh(meshSO, false, aMesh->NbNodes()==0);
-            }
-            
           }
           else if(!aMesh->HasShapeToMesh()){
             res = aMesh->RemoveHypothesis(aShapeObject, anHyp);
-            if (res < SMESH::HYP_UNKNOWN_FATAL) {
-              _PTR(SObject) meshSO = SMESH::FindSObject(aMesh);
-              if (meshSO)
-                SMESH::ModifiedMesh(meshSO, false, aMesh->NbNodes()==0);              
-            }
           }
           if (res > SMESH::HYP_OK) {
             wc.suspend();
             processHypothesisStatus(res, anHyp, false);
             wc.resume();
           }
+          UpdateViewer(aMesh);
         }
       } catch(const SALOME::SALOME_Exception& S_ex) {
         wc.suspend();
@@ -658,6 +775,16 @@ namespace SMESH
       }
     }
     return res < SMESH::HYP_UNKNOWN_FATAL;
+  } 
+
+  void UpdateViewer(SMESH::SMESH_Mesh_ptr theMesh)
+  {
+    if (_PTR(SObject) meshSO = SMESH::FindSObject(theMesh))
+    {
+      if (SMESH_Actor* actor = SMESH::FindActorByEntry(meshSO->GetID().c_str()))
+        if (actor->GetVisibility())
+          actor->Update();
+    }
   }
 
   SObjectList GetMeshesUsingAlgoOrHypothesis(SMESH::SMESH_Hypothesis_ptr AlgoOrHyp)
@@ -669,10 +796,9 @@ namespace SMESH
     if (!AlgoOrHyp->_is_nil()) {
       _PTR(SObject) SO_Hypothesis = SMESH::FindSObject(AlgoOrHyp);
       if (SO_Hypothesis) {
-        SObjectList listSO =
-          SMESHGUI::activeStudy()->studyDS()->FindDependances(SO_Hypothesis);
+        SObjectList listSO = SMESH::getStudy()->FindDependances(SO_Hypothesis);
 
-        if(MYDEBUG) MESSAGE("SMESHGUI::GetMeshesUsingAlgoOrHypothesis(): dependency number ="<<listSO.size());
+        MESSAGE("SMESHGUI::GetMeshesUsingAlgoOrHypothesis(): dependency number ="<<listSO.size());
         for (unsigned int i = 0; i < listSO.size(); i++) {
           _PTR(SObject) SO = listSO[i];
           if (SO) {
@@ -680,7 +806,7 @@ namespace SMESH
             if (aFather) {
               _PTR(SObject) SOfatherFather = aFather->GetFather();
               if (SOfatherFather) {
-                if(MYDEBUG) MESSAGE("SMESHGUI::GetMeshesUsingAlgoOrHypothesis(): dependency added to list");
+                MESSAGE("SMESHGUI::GetMeshesUsingAlgoOrHypothesis(): dependency added to list");
                 index++;
                 listSOmesh.resize(index);
                 listSOmesh[index - 1] = SOfatherFather;
@@ -690,7 +816,7 @@ namespace SMESH
         }
       }
     }
-    if (MYDEBUG) MESSAGE("SMESHGUI::GetMeshesUsingAlgoOrHypothesis(): completed");
+    MESSAGE("SMESHGUI::GetMeshesUsingAlgoOrHypothesis(): completed");
     return listSOmesh;
   }
 
@@ -698,13 +824,13 @@ namespace SMESH
   QString GetMessageOnAlgoStateErrors(const algo_error_array& errors)
   {
     QString resMsg; // PAL14861 = QObject::tr("SMESH_WRN_MISSING_PARAMETERS") + ":\n";
-    for ( int i = 0; i < errors.length(); ++i ) {
+    for ( size_t i = 0; i < errors.length(); ++i ) {
       const SMESH::AlgoStateError & error = errors[ i ];
       const bool hasAlgo = ( strlen( error.algoName ) != 0 );
       QString msg;
       if ( !hasAlgo )
         msg = QObject::tr( "STATE_ALGO_MISSING" );
-      else 
+      else
         switch( error.state ) {
           CASE2MESSAGE( HYP_MISSING );
           CASE2MESSAGE( HYP_NOTCONFORM );