re-work the LSET(int,...) constructor

common/class_layer_box_selector.cpp

@@ -25,7 +25,7 @@ bool LAYER_SELECTOR::SetLayersHotkeys( bool value )
 }
 
 
-void LAYER_SELECTOR::SetBitmapLayer( wxBitmap& aLayerbmp, LAYER_ID aLayer )
+void LAYER_SELECTOR::SetBitmapLayer( wxBitmap& aLayerbmp, LAYER_NUM aLayer )
 {
     wxMemoryDC bmpDC;
     wxBrush    brush;
@@ -120,7 +120,7 @@ void LAYER_BOX_SELECTOR::ResyncBitmapOnly()
     for( LAYER_NUM i = 0; i < elements; ++i )
     {
         wxBitmap layerbmp( 14, 14 );
-        SetBitmapLayer( layerbmp, ToLAYER_ID( i ) );
+        SetBitmapLayer( layerbmp, i );
     }
 }
 

common/lset.cpp

@@ -37,13 +37,22 @@ LSET::LSET( const LAYER_ID* aArray, unsigned aCount )
 }
 
 
-LSET::LSET( size_t aIdCount, ... )
+LSET::LSET( unsigned aIdCount, LAYER_ID aFirst, ... )
 {
+    // The constructor, without the mandatory aFirst argument, could have been confused
+    // by the compiler with the LSET( LAYER_ID ).  With aFirst, that ambiguity is not
+    // present.  Therefore aIdCount must always be >=1.
+    wxASSERT_MSG( aIdCount > 0, wxT( "aIdCount must be >= 1" ) );
+
+    set( aFirst );
+
+    if( --aIdCount )
+    {
         va_list ap;
 
-    va_start( ap, aIdCount );
+        va_start( ap, aFirst );
 
-    for( size_t i=0;  i<aIdCount;  ++i )
+        for( unsigned i=0;  i<aIdCount;  ++i )
         {
             LAYER_ID id = (LAYER_ID) va_arg( ap, int );
 
@@ -55,6 +64,7 @@ LSET::LSET( size_t aIdCount, ... )
         }
 
         va_end( ap );
+    }
 }
 
 
@@ -633,4 +643,10 @@ LSEQ LSET::UIOrder() const
     return Seq( order, DIM( order ) );
 }
 
-LAYER_ID ToLAYER_ID( int aLayer );
+
+LAYER_ID ToLAYER_ID( int aLayer )
+{
+    wxASSERT( unsigned( aLayer ) < LAYER_ID_COUNT );
+    return LAYER_ID( aLayer );
+}
+

gerbview/class_gbr_layer_box_selector.cpp

@@ -49,7 +49,7 @@ void GBR_LAYER_BOX_SELECTOR::Resync()
             continue;
 
         // Prepare Bitmap
-        SetBitmapLayer( layerbmp, ToLAYER_ID( layerid ) );
+        SetBitmapLayer( layerbmp, layerid );
 
         layername = GetLayerName( layerid );
 

include/class_layer_box_selector.h

@@ -35,12 +35,12 @@ public:
     // Virtual function pure because GerbView uses its own functions in a derived class
     virtual bool IsLayerEnabled( LAYER_NUM aLayer ) const = 0;
 
-    bool SetLayersOrdered(bool value);
-    bool SetLayersHotkeys(bool value);
+    bool SetLayersOrdered( bool value );
+    bool SetLayersHotkeys( bool value );
 
 protected:
    // Fills the layer bitmap aLayerbmp with the layer color
-    void SetBitmapLayer( wxBitmap& aLayerbmp, LAYER_ID aLayer );
+    void SetBitmapLayer( wxBitmap& aLayerbmp, LAYER_NUM aLayer );
 };
 
 

include/layers_id_colors_and_visibility.h

@@ -149,7 +149,11 @@ typedef std::vector<LAYER_ID>   BASE_SEQ;
  * <code>
  *
  *      for( LSEQ cu_stack = aSet.CuStack();  cu_stack;  ++cu_stack )
+ *      {
  *          layer_id = *cu_stack;
+ *          :
+ *          things to do with layer_id;
+ *      }
  *
  * </code>
  */
@@ -198,13 +202,24 @@ class LSET : public BASE_SET
 {
 public:
 
+    // The constructor flavors are carefully chosen to prevent LSET( int ) from compiling.
+    // That excludes  "LSET s = 0;" and excludes "LSET s = -1;", etc.
+    // LSET s = 0;  needs to be removed from the code, this accomplishes that.
+    // Remember LSET( LAYER_ID(0) ) sets bit 0, so "LSET s = 0;" is illegal
+    // to prevent that surprize.  Therefore LSET's constructor suite is significantly
+    // different than the base class from which it is derived.
+
+    // Other member functions (non-constructor functions) are identical to the base
+    // class's and therefore are re-used from the base class.
+
     /**
      * Constructor LSET()
      * creates an empty (cleared) set.
      */
     LSET() :
-        BASE_SET()
-    {}
+        BASE_SET()  // all bits are set to zero in BASE_SET()
+    {
+    }
 
     LSET( const BASE_SET& aOther ) :
         BASE_SET( aOther )
@@ -214,12 +229,11 @@ public:
     /**
      * Constructor LSET( LAYER_ID )
      * takes a LAYER_ID and sets that bit.  This makes the following code into
-     * a bug typically:
+     * a bug:
      *
      * <code>   LSET s = 0;  </code>
      *
-     * since that will call this constructor and set bit zero, probably not what was
-     * intended. Use
+     * Instead use:
      *
      * <code>
      *    LSET s;
@@ -239,12 +253,16 @@ public:
     LSET( const LAYER_ID* aArray, unsigned aCount );
 
     /**
-     * Constructor LSET( int, ...)
-     * takes a variable number of LAYER_IDs in the argument list to construct
-     * the set.  Typically used only in static construction.
+     * Constructor LSET( unsigned, LAYER_ID, ...)
+     * takes one or more LAYER_IDs in the argument list to construct
+     * the set.  Typically only used in static construction.
+     *
      * @param aIdCount is the number of LAYER_IDs which follow.
+     * @param aFirst is the first included in @a aIdCount and must always be present, and can
+     *  be followed by any number of additional LAYER_IDs so long as @a aIdCount accurately
+     *  reflects the count.
      */
-    LSET( size_t aIdCount, ... );
+    LSET( unsigned aIdCount, LAYER_ID aFirst, ... );  // args chosen to prevent LSET( int ) from compiling
 
     /**
      * Function Name

include/wxBasePcbFrame.h

@@ -607,7 +607,7 @@ public:
      * @return the selected layer id
      */
     LAYER_ID SelectLayer( LAYER_ID aDefaultLayer,
-                          LSET aNotAllowedLayersMask = 0,
+                          LSET aNotAllowedLayersMask = LSET(),
                           wxPoint aDlgPosition = wxDefaultPosition );
 
     /* Display a list of two copper layers to choose a pair of copper layers

pcbnew/class_pad.h

@@ -363,7 +363,6 @@ public:
     int GetSubRatsnest() const                  { return m_SubRatsnest; }
     void SetSubRatsnest( int aSubRatsnest )     { m_SubRatsnest = aSubRatsnest; }
 
-
     void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList );
 
     bool IsOnLayer( LAYER_ID aLayer ) const

pcbnew/dialogs/dialog_copper_zones.cpp

@@ -268,7 +268,8 @@ void DIALOG_COPPER_ZONE::initDialog()
 
         imageList->Add( makeLayerBitmap( layerColor ) );
 
-        int itemIndex = m_LayerSelectionCtrl->InsertItem( 0, msg, layer );
+        int itemIndex = m_LayerSelectionCtrl->InsertItem(
+                m_LayerSelectionCtrl->GetItemCount(), msg, layer );
 
         if( m_settings.m_CurrentZone_Layer == layer )
             m_LayerSelectionCtrl->Select( itemIndex );

pcbnew/dialogs/dialog_layers_setup.cpp

@@ -80,6 +80,7 @@ static LSEQ dlg_layers()
         F_Mask,
         F_Cu,
 
+        In1_Cu,
         In2_Cu,
         In3_Cu,
         In4_Cu,
@@ -360,14 +361,19 @@ DIALOG_LAYERS_SETUP::DIALOG_LAYERS_SETUP( wxTopLevelWindow* aParent, BOARD* aBoa
 
 void DIALOG_LAYERS_SETUP::showCopperChoice( int copperCount )
 {
-    static const int copperCounts[] = { 2,4,6,8,10,12,14,16 };
+    if( copperCount > MAX_CU_LAYERS )
+        copperCount = MAX_CU_LAYERS;
 
-    for( unsigned i = 0;  i<sizeof(copperCounts);  ++i )
+    if( copperCount < 2 )
+        copperCount = 2;
+
+    for( int lyrCnt = 2; lyrCnt <= MAX_CU_LAYERS; lyrCnt += 2 )
     {
         // note this will change a one layer board to 2:
-        if( copperCount <= copperCounts[i] )
+        if( copperCount <= lyrCnt )
         {
-            m_CopperLayersChoice->SetSelection(i);
+            int idx = lyrCnt/2 - 1;
+            m_CopperLayersChoice->SetSelection(idx);
             break;
         }
     }

pcbnew/dialogs/dialog_layers_setup_base.cpp

@@ -42,7 +42,7 @@ DIALOG_LAYERS_SETUP_BASE::DIALOG_LAYERS_SETUP_BASE( wxWindow* parent, wxWindowID
 	m_staticTextCopperLayers->Wrap( -1 );
 	bCopperLayersSizer->Add( m_staticTextCopperLayers, 0, wxTOP|wxRIGHT|wxLEFT, 5 );
 	
-	wxString m_CopperLayersChoiceChoices[] = { _("2"), _("4"), _("6"), _("8"), _("10"), _("12"), _("14"), _("16"), _("18"), _("20"), _("22"), _("24"), _("26"), _("27"), _("28"), _("30"), _("32") };
+	wxString m_CopperLayersChoiceChoices[] = { _("2"), _("4"), _("6"), _("8"), _("10"), _("12"), _("14"), _("16"), _("18"), _("20"), _("22"), _("24"), _("26"), _("28"), _("30"), _("32") };
 	int m_CopperLayersChoiceNChoices = sizeof( m_CopperLayersChoiceChoices ) / sizeof( wxString );
 	m_CopperLayersChoice = new wxChoice( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, m_CopperLayersChoiceNChoices, m_CopperLayersChoiceChoices, 0 );
 	m_CopperLayersChoice->SetSelection( 3 );

pcbnew/dialogs/dialog_layers_setup_base.fbp

@@ -394,7 +394,7 @@
                                         <property name="caption"></property>
                                         <property name="caption_visible">1</property>
                                         <property name="center_pane">0</property>
-                                        <property name="choices">&quot;2&quot; &quot;4&quot; &quot;6&quot; &quot;8&quot; &quot;10&quot; &quot;12&quot; &quot;14&quot; &quot;16&quot; &quot;18&quot; &quot;20&quot; &quot;22&quot; &quot;24&quot; &quot;26&quot; &quot;27&quot; &quot;28&quot; &quot;30&quot; &quot;32&quot;</property>
+                                        <property name="choices">&quot;2&quot; &quot;4&quot; &quot;6&quot; &quot;8&quot; &quot;10&quot; &quot;12&quot; &quot;14&quot; &quot;16&quot; &quot;18&quot; &quot;20&quot; &quot;22&quot; &quot;24&quot; &quot;26&quot; &quot;28&quot; &quot;30&quot; &quot;32&quot;</property>
                                         <property name="close_button">1</property>
                                         <property name="context_help"></property>
                                         <property name="context_menu">1</property>

pcbnew/pcb_parser.cpp

@@ -67,7 +67,7 @@ void PCB_PARSER::init()
         std::string untranslated = TO_UTF8( wxString( LSET::Name( LAYER_ID( layer ) ) ) );
 
         m_layerIndices[ untranslated ] = LAYER_ID( layer );
-        m_layerMasks[ untranslated ]   = LSET( layer );
+        m_layerMasks[ untranslated ]   = LSET( LAYER_ID( layer ) );
     }
 
     m_layerMasks[ "*.Cu" ]      = LSET::AllCuMask();

pcbnew/pcbnew_config.cpp

@@ -366,9 +366,12 @@ PARAM_CFG_ARRAY& PCB_EDIT_FRAME::GetConfigurationSettings()
                                                        &DisplayOpt.DisplayZonesMode, 0, 0, 2 ) );
 
         // layer colors:
+        wxASSERT( DIM( cds.m_LayersColors ) == LAYER_ID_COUNT );
         for( int i = 0;  i<LAYER_ID_COUNT;  ++i )
         {
-            wxString vn = wxString::Format( wxT( "ColorLayer%dEx" ), i );
+            wxString vn = wxString::Format(
+                            wxT( "ColorPCBLayer:%s" ),
+                            LSET::Name( LAYER_ID( i ) ) );
 
             m_configSettings.push_back( new PARAM_CFG_SETCOLOR( true, vn, LOC_COLOR( i ), cds.m_LayersColors[i] ) );
         }

pcbnew/pcbplot.h

@@ -81,7 +81,6 @@ public:
     {
         m_plotter = aPlotter;
         m_board = aBoard;
-        m_layerMask = 0;
     }
 
     /**