Issue #2219 (drawing of empty cells)

src/laybasic/laybasic/layLayoutViewBase.cc

@@ -342,6 +342,7 @@ LayoutViewBase::init (db::Manager *mgr)
   m_box_text_transform = true;
   m_box_font = 0;
   m_min_size_for_label = 16;
+  m_empty_cell_dimension = 4.0;
   m_cell_box_visible = true;
   m_ghost_cells_visible = true;
   m_text_visible = true;
@@ -944,6 +945,13 @@ LayoutViewBase::configure (const std::string &name, const std::string &value)
     min_inst_label_size (n);
     return true;
 
+  } else if (name == cfg_empty_cell_dimension) {
+
+    double n;
+    tl::from_string (value, n);
+    empty_cell_dimension (n);
+    return true;
+
   } else if (name == cfg_cell_box_text_font) {
 
     int n;
@@ -5403,7 +5411,16 @@ LayoutViewBase::min_inst_label_size (int px)
   }
 }
 
-void 
+void
+LayoutViewBase::empty_cell_dimension (double um)
+{
+  if (m_empty_cell_dimension != um) {
+    m_empty_cell_dimension = um;
+    redraw ();
+  }
+}
+
+void
 LayoutViewBase::text_visible (bool vis)
 {
   if (m_text_visible != vis) {

src/laybasic/laybasic/layLayoutViewBase.h

@@ -1149,7 +1149,20 @@ class LAYBASIC_PUBLIC LayoutViewBase :
     return m_min_size_for_label;
   }
 
-  /** 
+  /**
+   *  @brief Empty cell dimension for the purpose of label generation setter
+   */
+  void empty_cell_dimension (double um);
+
+  /**
+   *  @brief Empty cell dimension for the purpose of label generation getter
+   */
+  int empty_cell_dimension () const
+  {
+    return m_empty_cell_dimension;
+  }
+
+  /**
    *  @brief Visibility of text objects
    */
   void text_visible (bool vis);
@@ -2941,6 +2954,7 @@ class LAYBASIC_PUBLIC LayoutViewBase :
   bool m_box_text_transform;
   unsigned int m_box_font;
   int m_min_size_for_label;
+  double m_empty_cell_dimension;
   bool m_cell_box_visible;
   bool m_ghost_cells_visible;
 

src/laybasic/laybasic/layLayoutViewConfig.cc

@@ -55,6 +55,7 @@ class LayoutViewBasicConfigDeclaration
     options.push_back (std::pair<std::string, std::string> (cfg_current_lib_view, ""));
     options.push_back (std::pair<std::string, std::string> (cfg_hide_empty_layers, "false"));
     options.push_back (std::pair<std::string, std::string> (cfg_min_inst_label_size, "16"));
+    options.push_back (std::pair<std::string, std::string> (cfg_empty_cell_dimension, "4"));
     options.push_back (std::pair<std::string, std::string> (cfg_cell_box_text_font, "0"));
     options.push_back (std::pair<std::string, std::string> (cfg_cell_box_text_transform, "true"));
     options.push_back (std::pair<std::string, std::string> (cfg_cell_box_color, "auto"));