Add tracks display control to Render tab

pcbnew/class_track.cpp

@@ -45,6 +45,7 @@
 #include <base_units.h>
 #include <msgpanel.h>
 #include <bitmaps.h>
+#include <view/view.h>
 
 /**
  * Function ShowClearance
@@ -670,7 +671,8 @@ void TRACK::Draw( EDA_DRAW_PANEL* panel, wxDC* aDC, GR_DRAWMODE aDrawMode,
     auto frame = static_cast<PCB_BASE_FRAME*> ( panel->GetParent() );
     auto color = frame->Settings().Colors().GetLayerColor( m_Layer );
 
-    if( brd->IsLayerVisible( m_Layer ) == false && !( aDrawMode & GR_HIGHLIGHT ) )
+    if( ( !brd->IsLayerVisible( m_Layer ) || !brd->IsElementVisible( LAYER_TRACKS ) )
+        && !( aDrawMode & GR_HIGHLIGHT ) )
         return;
 
 #ifdef USE_WX_OVERLAY
@@ -798,6 +800,11 @@ void TRACK::ViewGetLayers( int aLayers[], int& aCount ) const
 
 unsigned int TRACK::ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const
 {
+    const int HIDE = std::numeric_limits<unsigned int>::max();
+
+    if( !aView->IsLayerVisible( LAYER_TRACKS ) )
+        return HIDE;
+
     // Netnames will be shown only if zoom is appropriate
     if( IsNetnameLayer( aLayer ) )
     {

pcbnew/pcb_layer_widget.cpp

@@ -60,6 +60,7 @@ const LAYER_WIDGET::ROW PCB_LAYER_WIDGET::s_render_rows[] = {
 #define NOCOLOR COLOR4D::UNSPECIFIED    // specify rows that do not have a color selector icon
 
          // text                id                      color       tooltip
+    RR( _( "Tracks" ),          LAYER_TRACKS,         NOCOLOR,  _( "Show tracks" ) ),
     RR( _( "Through Via" ),     LAYER_VIA_THROUGH,    WHITE,    _( "Show through vias" ) ),
     RR( _( "Bl/Buried Via" ),   LAYER_VIA_BBLIND,     WHITE,    _( "Show blind or buried vias" )  ),
     RR( _( "Micro Via" ),       LAYER_VIA_MICROVIA,   WHITE,    _( "Show micro vias") ),