New format top level schematic files were not detected if they had a significant number of libraries.

The "Sheet 1" string can now be further down in the file than the original 20 line search could detect.

kicad/treeprj_frame.cpp

@@ -15,6 +15,7 @@
 #include "gestfich.h"
 #include "appl_wxstruct.h"
 #include "bitmaps.h"
+#include "macros.h"
 
 #include "kicad.h"
 
@@ -306,10 +307,13 @@ void WinEDA_PrjFrame::OnDragEnd( wxTreeEvent& event )
     wxTreeItemId     moved = m_TreeProject->GetSelection();
     TreePrjItemData* source_data = GetSelectedData();
     wxTreeItemId     dest = event.GetItem();
+
     if( !dest.IsOk() )
         return;                // Cancelled ...
+
     TreePrjItemData* destData =
         dynamic_cast<TreePrjItemData*>( m_TreeProject->GetItemData( dest ) );
+
     if( !destData )
         return;
 
@@ -325,6 +329,7 @@ void WinEDA_PrjFrame::OnDragEnd( wxTreeEvent& event )
         // Select the right destData:
         destData =
             dynamic_cast<TreePrjItemData*>( m_TreeProject->GetItemData( dest ) );
+
         if( !destData )
             return;
     }
@@ -737,6 +742,7 @@ bool WinEDA_PrjFrame::AddFile( const wxString& name, wxTreeItemId& root )
                 addFile = true;
                 if( i==0 )
                     isSchematic = true;
+                break;
             }
         }
 
@@ -762,7 +768,9 @@ bool WinEDA_PrjFrame::AddFile( const wxString& name, wxTreeItemId& root )
             }
 
             addFile = false;
-            for( int i = 0;  i<20;  ++i )
+
+            // check the first 100 lines for the "Sheet 1" string
+            for( int i = 0;  i<100;  ++i )
             {
                 if( !fgets( line, sizeof(line), fp ) )
                     break;
@@ -932,6 +940,7 @@ void WinEDA_PrjFrame::ReCreateTreePrj()
             if( filename != fn.GetFullName() )
                 AddFile( dir.GetName() + wxFileName::GetPathSeparator() +
                          filename, m_root );
+
             cont = dir.GetNext( &filename );
         }
     }