Fixed ASK dialog for OFF File Plugin

* also removed outcommented code fragment from obj loader

FileOFF.cc

@@ -532,19 +532,11 @@ bool FileOFFPlugin::readOFFFile(QString _filename, OFFImporter& _importer) {
     case TYPEASK:
         if( !OpenFlipper::Options::nogui() ) {
             // Create message box
-            QMessageBox msgBox;
-            QPushButton *detectButton = msgBox.addButton(tr("Auto-Detect"), QMessageBox::ActionRole);
-            QPushButton *triButton    = msgBox.addButton(tr("Open as triangle mesh"), QMessageBox::ActionRole);
-            QPushButton *polyButton   = msgBox.addButton(tr("Open as poly mesh"), QMessageBox::ActionRole);
+            QMetaObject::invokeMethod(this,"handleTrimeshDialog",Qt::BlockingQueuedConnection);
 
-            msgBox.setWindowTitle( tr("Mesh types in file") );
-            msgBox.setText( tr("You are about to open a file containing one or more mesh types. \n\n Which mesh type should be used?") );
-            msgBox.setDefaultButton( detectButton );
-            msgBox.exec();
-
-            if (msgBox.clickedButton() == triButton)
+            if (trimeshOptions == OFFImporter::TRIMESH)
                 type = DATA_TRIANGLE_MESH;
-            else if (msgBox.clickedButton() == polyButton)
+            else if (trimeshOptions == OFFImporter::POLYMESH)
                 type = DATA_POLY_MESH;
             else
                 type = _importer.isTriangleMesh() ? DATA_TRIANGLE_MESH : DATA_POLY_MESH;
@@ -574,6 +566,24 @@ bool FileOFFPlugin::readOFFFile(QString _filename, OFFImporter& _importer) {
   return _importer.isBinary() ? parseBinary(ifile, _importer, type, _filename) : parseASCII(ifile, _importer, type, _filename);
 }
 
+void FileOFFPlugin::handleTrimeshDialog()
+{
+   QMessageBox msgBox;
+   QPushButton *detectButton = msgBox.addButton(tr("Auto-Detect"), QMessageBox::ActionRole);
+   QPushButton *triButton    = msgBox.addButton(tr("Open as triangle mesh"), QMessageBox::ActionRole);
+   QPushButton *polyButton   = msgBox.addButton(tr("Open as poly mesh"), QMessageBox::ActionRole);
+   msgBox.setWindowTitle( tr("Mesh types in file") );
+   msgBox.setText( tr("You are about to open a file containing one or more mesh types. \n\n Which mesh type should be used?") );
+   msgBox.setDefaultButton( detectButton );
+   msgBox.exec();
+
+
+   if (msgBox.clickedButton() == triButton)
+    trimeshOptions =  OFFImporter::TRIMESH ;
+   else if (msgBox.clickedButton() == polyButton)
+    trimeshOptions = OFFImporter::POLYMESH ;
+}
+
 //-----------------------------------------------------------------------------------------------------
 
 bool FileOFFPlugin::parseASCII(std::istream& _in, OFFImporter& _importer, DataType _type, QString& _objectName) {

FileOFF.hh

@@ -107,6 +107,8 @@ class FileOFFPlugin : public QObject, BaseInterface, FileInterface, LoadSaveInte
 
     void initializePlugin();
 
+    /// Displays a dialog to ask how to load the mesh (triangle, polymesh , autodetect)
+    void handleTrimeshDialog();
 
     /// Slot called when user wants to save the given Load options as default
     void slotLoadDefault();
@@ -267,6 +269,7 @@ class FileOFFPlugin : public QObject, BaseInterface, FileInterface, LoadSaveInte
     bool forceTriangleMesh_;
     bool forcePolyMesh_;
     bool readColorComp_;
+    OFFImporter::ObjectOptionsE trimeshOptions;
 };
 
 #if defined(INCLUDE_TEMPLATES) && !defined(FILEOFFPLUGIN_C)