pcbnew: Adjust selection behavior in highlight net

Prefer non-zones in highlight net in the same way we do for the
selection tool.  Highlight net just has separate logic and was missed
previously.

pcbnew/collectors.cpp

@@ -100,12 +100,10 @@ const KICAD_T GENERAL_COLLECTOR::PadsOrModules[] = {
 };
 
 
-const KICAD_T GENERAL_COLLECTOR::PadsTracksOrZones[] = {
+const KICAD_T GENERAL_COLLECTOR::PadsOrTracks[] = {
     PCB_PAD_T,
     PCB_VIA_T,
     PCB_TRACE_T,
-    PCB_SEGZONE_T,
-    PCB_ZONE_AREA_T,
     EOT
 };
 

pcbnew/collectors.h

@@ -285,9 +285,9 @@ public:
     static const KICAD_T PadsOrModules[];
 
     /**
-     * A scan list for PADs, TRACKs, VIAs, or ZONEs
+     * A scan list for PADs, TRACKs, or VIAs
      */
-    static const KICAD_T PadsTracksOrZones[];
+    static const KICAD_T PadsOrTracks[];
 
     /**
      * A scan list for MODULEs and their items (for Modedit)

pcbnew/highlight.cpp

@@ -56,9 +56,13 @@ int PCB_EDIT_FRAME::SelectHighLight( wxDC* DC )
 
     // optionally, modify the "guide" here as needed using its member functions
 
-    m_Collector->Collect( GetBoard(), GENERAL_COLLECTOR::PadsTracksOrZones,
+    m_Collector->Collect( GetBoard(), GENERAL_COLLECTOR::PadsOrTracks,
                           RefPos( true ), guide );
 
+    if( m_Collector->GetCount() == 0 )
+        m_Collector->Collect( GetBoard(), GENERAL_COLLECTOR::Zones,
+                              RefPos( true ), guide );
+
     BOARD_ITEM* item = (*m_Collector)[0];
 
     if( item )

pcbnew/tools/pcb_editor_control.cpp

@@ -951,9 +951,13 @@ static bool highlightNet( TOOL_MANAGER* aToolMgr, const VECTOR2D& aPosition,
         GENERAL_COLLECTOR collector;
 
         // Find a connected item for which we are going to highlight a net
-        collector.Collect( board, GENERAL_COLLECTOR::PadsTracksOrZones,
+        collector.Collect( board, GENERAL_COLLECTOR::PadsOrTracks,
                            wxPoint( aPosition.x, aPosition.y ), guide );
 
+        if( collector.GetCount() == 0 )
+            collector.Collect( board, GENERAL_COLLECTOR::Zones,
+                               wxPoint( aPosition.x, aPosition.y ), guide );
+
         for( int i = 0; i < collector.GetCount(); i++ )
         {
             if( collector[i]->Type() == PCB_PAD_T )