From 6877f111bee20e7043c142c6bea1102701c317f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20M=C3=B6ller?= <matthias.moeller@rwth-aachen.de>
Date: Wed, 4 Apr 2012 13:28:05 +0000
Subject: [PATCH] infoMesh support for point clouds or other types without
 faces refs #498

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@14319 383ad7c9-94d9-4d36-a494-682f7c89f535
---
 MeshObjectInfoPlugin.cc | 50 ++++++++++++++++++++++++++++++++++++-----
 1 file changed, 44 insertions(+), 6 deletions(-)

diff --git a/MeshObjectInfoPlugin.cc b/MeshObjectInfoPlugin.cc
index a9e339a..e95e1e4 100644
--- a/MeshObjectInfoPlugin.cc
+++ b/MeshObjectInfoPlugin.cc
@@ -660,11 +660,17 @@ InfoMeshObjectPlugin::
     // Only respond on mesh objects
     if((_type != DATA_TRIANGLE_MESH) && (_type != DATA_POLY_MESH)) return;
 
-    ACG::SceneGraph::PickTarget target = ACG::SceneGraph::PICK_FACE;
+    ACG::SceneGraph::PickTarget target = ACG::SceneGraph::PICK_ANYTHING;
 
-    if(info_->pickMode->currentText().contains("PICK_EDGES") ) {
+    if (info_->isHidden())
+      target = ACG::SceneGraph::PICK_ANYTHING;
+    else
+    {
+      //user has selected the pick mode manually
+      target = ACG::SceneGraph::PICK_FACE;
+      if (info_->pickMode->currentIndex() == 1 )
         target = ACG::SceneGraph::PICK_EDGE;
-    } else if (info_->pickMode->currentText().contains("PICK_VERTICES")) {
+      else if (info_->pickMode->currentIndex() == 2 )
         target = ACG::SceneGraph::PICK_VERTEX;
     }
 
@@ -679,13 +685,45 @@ InfoMeshObjectPlugin::
          emit log( LOGINFO , object->getObjectinfo() );
 
          if ( object->picked(node_idx) && object->dataType(DATA_TRIANGLE_MESH) )
-            printMeshInfo( PluginFunctions::triMesh(object) , object->id(), target_idx, hit_point );
+         {
+           TriMesh* mesh = PluginFunctions::triMesh(object);
+
+           if (info_->isHidden())
+           {
+             //we picked anything so we have to decide, which data we picked
+             if (mesh->n_faces() != 0)
+               info_->pickMode->setCurrentIndex(0);
+             else if (mesh->n_edges() != 0)
+               info_->pickMode->setCurrentIndex(1);
+             else
+               info_->pickMode->setCurrentIndex(2);
+           }
+
+           printMeshInfo( mesh , object->id(), target_idx, hit_point );
+         }
 
          if ( object->picked(node_idx) && object->dataType(DATA_POLY_MESH) )
-            printMeshInfo( PluginFunctions::polyMesh(object) , object->id(), target_idx, hit_point );
-
+         {
+           PolyMesh* mesh = PluginFunctions::polyMesh(object);
+
+           if (info_->isHidden())
+           {
+             //we picked anything so we have to decide, which data we picked
+             if (mesh->n_faces() != 0)
+               info_->pickMode->setCurrentIndex(0);
+             else if (mesh->n_edges() != 0)
+               info_->pickMode->setCurrentIndex(1);
+             else
+               info_->pickMode->setCurrentIndex(2);
+           }
+           printMeshInfo( PluginFunctions::polyMesh(object) , object->id(), target_idx, hit_point );
+         }
       } else return;
     }
+    else
+    {
+      emit log( LOGERR , tr("Unable to pick object.") );
+    }
 }
 
 //------------------------------------------------------------------------------
-- 
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