Eeschema: allow editing of wire and bus properties.

CHANGED: Wire and bus lines properties (color, line width, and line type)
can be edited the same as graphical lines.

eeschema/sch_line.cpp

@@ -820,6 +820,12 @@ bool SCH_LINE::IsGraphicLine() const
 }
 
 
+bool SCH_LINE::IsWire() const
+{
+    return ( GetLayer() == LAYER_WIRE );
+}
+
+
 bool SCH_LINE::UsesDefaultStroke() const
 {
     return m_size == 0 && m_color == COLOR4D::UNSPECIFIED

eeschema/sch_line.h

@@ -231,6 +231,13 @@ public:
      */
     bool IsGraphicLine() const;
 
+    /**
+     * Returns true if the line is a wire.
+     *
+     * @return true if this line is on the wire layer.
+     */
+    bool IsWire() const;
+
 private:
     bool doIsConnected( const wxPoint& aPosition ) const override;
 };

eeschema/sch_painter.cpp

@@ -313,14 +313,32 @@ float SCH_PAINTER::getLineWidth( const LIB_ITEM* aItem, bool aDrawingShadows )
 
 float SCH_PAINTER::getLineWidth( const SCH_ITEM* aItem, bool aDrawingShadows )
 {
+    wxCHECK( aItem && aItem->Type() == SCH_LINE_T,
+            static_cast<float>( m_schSettings.m_DefaultWireThickness ) );
+
     float width;
+    const SCH_LINE* line = dynamic_cast<const SCH_LINE*>( aItem );
+
+    wxCHECK( line, static_cast<float>( m_schSettings.m_DefaultWireThickness ) );
 
     if( aItem->GetLayer() == LAYER_WIRE )
-        width = (float)  m_schSettings.m_DefaultWireThickness;
+    {
+        if( line->GetLineSize() != 0 )
+            width = (float) line->GetLineSize();
+        else
+            width = (float)  m_schSettings.m_DefaultWireThickness;
+    }
     else if( aItem->GetLayer() == LAYER_BUS )
-        width = (float)  m_schSettings.m_DefaultBusThickness;
+    {
+        if( line->GetLineSize() != 0 )
+            width = (float) line->GetLineSize();
+        else
+            width = (float)  m_schSettings.m_DefaultBusThickness;
+    }
     else
+    {
         width = (float) std::max( aItem->GetPenWidth(), m_schSettings.GetDefaultPenWidth() );
+    }
 
     if( aItem->IsSelected() && aDrawingShadows )
         width += getShadowWidth();

eeschema/tools/sch_edit_tool.cpp

@@ -1387,19 +1387,19 @@ int SCH_EDIT_TOOL::Properties( const TOOL_EVENT& aEvent )
 
     case SCH_LINE_T:
     {
-        std::deque<SCH_LINE*> graphicLines;
+        std::deque<SCH_LINE*> lines;
 
-        for( EDA_ITEM* selItem : selection.Items() )
+        for( auto selItem : selection.Items() )
         {
             SCH_LINE* line = dynamic_cast<SCH_LINE*>( selItem );
 
-            if( line && line->IsGraphicLine() )
-                graphicLines.push_back( line );
+            if( line )
+                lines.push_back( line );
             else
                 return 0;
         }
 
-        DIALOG_EDIT_LINE_STYLE dlg( m_frame, graphicLines );
+        DIALOG_EDIT_LINE_STYLE dlg( m_frame, lines );
 
         if( dlg.ShowModal() == wxID_OK )
         {