Allow setting a stroke type back to the default.

eeschema/dialogs/dialog_edit_line_style.cpp

@@ -50,6 +50,10 @@ const std::map<PLOT_DASH_TYPE, struct lineTypeStruct> lineTypeNames = {
 };
 
 
+#define DEFAULT_STYLE _( "Default" )
+#define INDETERMINATE_STYLE _( "Leave unchanged" )
+
+
 DIALOG_EDIT_LINE_STYLE::DIALOG_EDIT_LINE_STYLE( SCH_EDIT_FRAME* aParent,
                                                 std::deque<SCH_ITEM*>& strokeItems ) :
           DIALOG_EDIT_LINE_STYLE_BASE( aParent ),
@@ -66,7 +70,7 @@ DIALOG_EDIT_LINE_STYLE::DIALOG_EDIT_LINE_STYLE( SCH_EDIT_FRAME* aParent,
     for( auto& typeEntry : lineTypeNames )
         m_typeCombo->Append( typeEntry.second.name, KiBitmap( typeEntry.second.bitmap ) );
 
-    m_typeCombo->Append( INDETERMINATE_ACTION );
+    m_typeCombo->Append( DEFAULT_STYLE );
 
     m_sdbSizerOK->SetDefault();
 
@@ -112,13 +116,18 @@ bool DIALOG_EDIT_LINE_STYLE::TransferDataToWindow()
             } ) )
     {
         int style = static_cast<int>( first_stroke_item->GetStroke().GetType() );
-        wxCHECK_MSG( style < (int)lineTypeNames.size(), false,
-                     "Line type for first line is not found in the type lookup map" );
-        m_typeCombo->SetSelection( style );
+
+        if( style == -1 )
+            m_typeCombo->SetStringSelection( DEFAULT_STYLE );
+        else if( style < (int) lineTypeNames.size() )
+            m_typeCombo->SetSelection( style );
+        else
+            wxFAIL_MSG( "Line type not found in the type lookup map" );
     }
     else
     {
-        m_typeCombo->SetStringSelection( INDETERMINATE_ACTION );
+        m_typeCombo->Append( INDETERMINATE_STYLE );
+        m_typeCombo->SetStringSelection( INDETERMINATE_STYLE );
     }
 
     return true;
@@ -130,9 +139,7 @@ void DIALOG_EDIT_LINE_STYLE::resetDefaults( wxCommandEvent& event )
     m_width.SetValue( 0 );
     m_colorSwatch->SetSwatchColor( COLOR4D::UNSPECIFIED, false );
 
-    // This isn't quite right: they really want to set each stroke to the stroke set by the
-    // netclass (if any).
-    m_typeCombo->SetSelection( 0 );
+    m_typeCombo->SetStringSelection( DEFAULT_STYLE );
 
     Refresh();
 }
@@ -148,32 +155,24 @@ bool DIALOG_EDIT_LINE_STYLE::TransferDataFromWindow()
 
     m_frame->SaveCopyInUndoList( pickedItems, UNDO_REDO::CHANGED, false );
 
-    for( auto& strokeItem : m_strokeItems )
+    for( SCH_ITEM* strokeItem : m_strokeItems )
     {
+        stroke = strokeItem->GetStroke();
+
         if( !m_width.IsIndeterminate() )
-        {
-            stroke = strokeItem->GetStroke();
             stroke.SetWidth( m_width.GetValue() );
-            strokeItem->SetStroke( stroke );
-        }
 
-        int selection = m_typeCombo->GetSelection();
-
-        if( selection < (int)lineTypeNames.size() )
-        {
-            stroke = strokeItem->GetStroke();
-
-            auto it = lineTypeNames.begin();
-            std::advance( it, selection );
+        auto it = lineTypeNames.begin();
+        std::advance( it, m_typeCombo->GetSelection() );
 
+        if( it == lineTypeNames.end() )
+            stroke.SetType( PLOT_DASH_TYPE::DEFAULT );
+        else
             stroke.SetType( it->first );
-            strokeItem->SetStroke( stroke );
-        }
 
-        stroke = strokeItem->GetStroke();
         stroke.SetColor( m_colorSwatch->GetSwatchColor() );
-        strokeItem->SetStroke( stroke );
 
+        strokeItem->SetStroke( stroke );
         m_frame->UpdateItem( strokeItem );
     }