Pushing the new functions to the grid menu and adding the 'default' indicator as proposed

src/lay/lay/layMainWindow.cc

@@ -4167,6 +4167,20 @@ MainWindow::default_grids () const
   return m_default_grids;
 }
 
+double
+MainWindow::default_grid () const
+{
+  lay::TechnologyController *tc = lay::TechnologyController::instance ();
+  if (tc && tc->active_technology ()) {
+    auto tech_grids = tc->active_technology ()->default_grid_list ();
+    if (! tech_grids.empty ()) {
+      return tc->active_technology ()->default_grid ();
+    }
+  }
+
+  return m_default_grid;
+}
+
 void
 MainWindow::change_grid (int dir)
 {
@@ -4204,35 +4218,49 @@ MainWindow::change_grid (int dir)
 void
 MainWindow::do_update_grids ()
 {
-  const std::vector<double> *grids = &m_default_grids;
-  double default_grid = m_default_grid;
+  std::vector<double> grids = default_grids ();
+  double def_grid = default_grid ();
 
-  std::vector<double> tech_grids;
-  lay::TechnologyController *tc = lay::TechnologyController::instance ();
-  if (tc && tc->active_technology ()) {
-    tech_grids = tc->active_technology ()->default_grid_list ();
-    if (! tech_grids.empty ()) {
-      grids = &tech_grids;
-      default_grid = tc->active_technology ()->default_grid ();
-    }
-  }
-
-  if (default_grid > db::epsilon) {
-    for (auto g = grids->begin (); g != grids->end (); ++g) {
+  if (def_grid > db::epsilon) {
+    for (auto g = grids.begin (); g != grids.end (); ++g) {
       if (db::coord_traits<db::DCoord>::equals (*g, m_grid_micron)) {
-        default_grid = 0.0;
+        def_grid = 0.0;
         break;
       }
     }
   }
 
-  if (default_grid > db::epsilon) {
-    dispatcher ()->config_set (cfg_grid, default_grid);
+  if (def_grid > db::epsilon) {
+    dispatcher ()->config_set (cfg_grid, def_grid);
   }
 
   do_update_menu ();
 }
 
+namespace {
+
+class GenericMenuAction
+  : public Action
+{
+public:
+  GenericMenuAction (lay::Dispatcher *dispatcher, const std::string &title, const std::string &symbol)
+    : Action (title), mp_dispatcher (dispatcher), m_symbol (symbol)
+  { }
+
+  void triggered ()
+  {
+    if (mp_dispatcher) {
+      mp_dispatcher->menu_activated (m_symbol);
+    }
+  }
+
+private:
+  Dispatcher *mp_dispatcher;
+  std::string m_symbol;
+};
+
+}
+
 void
 MainWindow::do_update_menu ()
 {
@@ -4241,14 +4269,21 @@ MainWindow::do_update_menu ()
     m_default_grids_updated = false;
 
     std::vector<double> grids = default_grids ();
+    double def_grid = default_grid ();
 
     std::vector<std::string> group = menu ()->group ("default_grids_group");
 
     for (std::vector<std::string>::const_iterator t = group.begin (); t != group.end (); ++t) {
+
       std::vector<std::string> items = menu ()->items (*t);
       for (std::vector<std::string>::const_iterator i = items.begin (); i != items.end (); ++i) {
         menu ()->delete_item (*i);
       }
+
+      menu ()->insert_item (*t + ".end", "finer_grid", new GenericMenuAction (dispatcher (), tl::to_string (tr ("Finer Grid(G)")), "cm_grid_decrease"));
+      menu ()->insert_item (*t + ".end", "coarser_grid", new GenericMenuAction (dispatcher (), tl::to_string (tr ("Coarser Grid(Shift+G)")), "cm_grid_increase"));
+      menu ()->insert_separator (*t + ".end", "default_grids_group_separator");
+
     }
 
     int i = 1;
@@ -4264,6 +4299,10 @@ MainWindow::do_update_menu ()
         gs = tl::to_string (*g) + tl::to_string (QObject::tr (" um"));
       }
 
+      if (def_grid > 0 && db::coord_traits<db::DCoord>::equals (*g, def_grid)) {
+        gs += tl::to_string (tr (" \\(default)"));
+      }
+
       lay::Action *ga = new lay::ConfigureAction (gs, cfg_grid, tl::to_string (*g));
       ga->set_checkable (true);
       ga->set_checked (db::coord_traits<db::DCoord>::equals (*g, m_grid_micron));

src/lay/lay/layMainWindow.h

@@ -285,6 +285,20 @@ public:
    */
   std::vector<double> default_grids () const;
 
+  /**
+   *  @brief Gets the default grid
+   *
+   *  The default (fallback) grid is the one marked with "!" in the grid list
+   *  and it is used, when the current grid is not one of the provided grids
+   *  in the default grid list.
+   *
+   *  The default grid is globally defined, but my change depending on the technology
+   *  selected in the current view.
+   *
+   *  If no such grid exists, 0 is returned.
+   */
+  double default_grid () const;
+
   /**
    *  @brief Hierarchy level selection setter
    */

src/layui/layui/layLayoutViewFunctions.cc

@@ -2154,8 +2154,6 @@ public:
     menu_entries.push_back (lay::menu_item ("cm_sel_move_interactive", "sel_move_interactive:edit", at, tl::to_string (tr ("Move Interactive"))));
     menu_entries.push_back (lay::menu_item ("cm_select_next_item", "select_next_item:edit", at, tl::to_string (tr ("Select Next Item(Space)"))));
     menu_entries.push_back (lay::menu_item ("cm_select_next_item_add", "select_next_item_add:edit", at, tl::to_string (tr ("Select Next Item too(Shift+Space)"))));
-    menu_entries.push_back (lay::menu_item ("cm_grid_decrease", "grid_decrease:edit", at, tl::to_string (tr ("Select Finer Grid(G)"))));
-    menu_entries.push_back (lay::menu_item ("cm_grid_increase", "grid_increase:edit", at, tl::to_string (tr ("Select Coarser Grid(Shift+G)"))));
 
     at = "edit_menu.edit_options_group";
     menu_entries.push_back (lay::menu_item ("cm_undo", "undo:edit", at, tl::to_string (tr ("Undo(Ctrl+Z)"))));