Bonus track: 'visibility follows selection'

src/laybasic/laybasic/layLayoutViewConfig.cc

@@ -43,6 +43,7 @@ public:
     lay::ColorConverter cc;
     options.push_back (std::pair<std::string, std::string> (cfg_default_lyp_file, ""));
     options.push_back (std::pair<std::string, std::string> (cfg_default_add_other_layers, "false"));
+    options.push_back (std::pair<std::string, std::string> (cfg_layer_visibility_follows_selection, "false"));
     options.push_back (std::pair<std::string, std::string> (cfg_layers_always_show_source, "false"));
     options.push_back (std::pair<std::string, std::string> (cfg_layers_always_show_ld, "true"));
     options.push_back (std::pair<std::string, std::string> (cfg_layers_always_show_layout_index, "false"));

src/laybasic/laybasic/laybasicConfig.h

@@ -117,6 +117,7 @@ static const std::string cfg_drop_small_cells_value ("drop-small-cells-value");
 static const std::string cfg_array_border_instances ("draw-array-border-instances");
 static const std::string cfg_default_lyp_file ("default-layer-properties");
 static const std::string cfg_default_add_other_layers ("default-add-other-layers");
+static const std::string cfg_layer_visibility_follows_selection ("layer-visibility-follows-selection");
 static const std::string cfg_layers_always_show_source ("layers-always-show-source");
 static const std::string cfg_layers_always_show_ld ("layers-always-show-ld");
 static const std::string cfg_layers_always_show_layout_index ("layers-always-show-layout-index");

src/layui/layui/layLayerControlPanel.cc

@@ -213,7 +213,9 @@ LayerControlPanel::LayerControlPanel (lay::LayoutViewBase *view, db::Manager *ma
     m_oversampling (1),
     m_hrm (false),
     m_do_update_content_dm (this, &LayerControlPanel::do_update_content),
-    m_no_stipples (false)
+    m_do_update_visibility_dm (this, &LayerControlPanel::do_update_visibility),
+    m_no_stipples (false),
+    m_layer_visibility_follows_selection (false)
 {
   setObjectName (QString::fromUtf8 (name));
 
@@ -315,6 +317,7 @@ LayerControlPanel::LayerControlPanel (lay::LayoutViewBase *view, db::Manager *ma
   connect (mp_layer_list, SIGNAL (expanded (const QModelIndex &)), this, SLOT (group_expanded (const QModelIndex &)));
   connect (mp_layer_list, SIGNAL (search_triggered (const QString &)), this, SLOT (search_triggered (const QString &)));
   connect (mp_layer_list->selectionModel (), SIGNAL (currentChanged (const QModelIndex &, const QModelIndex &)), this, SLOT (current_index_changed (const QModelIndex &)));
+  connect (mp_layer_list->selectionModel (), SIGNAL (selectionChanged (const QItemSelection &, const QItemSelection &)), this, SLOT (selection_changed (const QItemSelection &, const QItemSelection &)));
   mp_layer_list->setContextMenuPolicy (Qt::CustomContextMenu);
   connect (mp_layer_list, SIGNAL(customContextMenuRequested (const QPoint &)), this, SLOT (context_menu (const QPoint &)));
   mp_layer_list->header ()->hide ();
@@ -1699,6 +1702,21 @@ LayerControlPanel::update_hidden_flags ()
   m_do_update_content_dm ();
 }
 
+void
+LayerControlPanel::set_layer_visibility_follows_selection (bool f)
+{
+  if (f != m_layer_visibility_follows_selection) {
+    m_layer_visibility_follows_selection = f;
+    m_do_update_visibility_dm ();
+  }
+}
+
+bool
+LayerControlPanel::layer_visibility_follows_selection ()
+{
+  return m_layer_visibility_follows_selection;
+}
+
 void
 LayerControlPanel::set_hide_empty_layers (bool f)
 {
@@ -1847,6 +1865,29 @@ LayerControlPanel::do_update_hidden_flags ()
   }
 }
 
+void
+LayerControlPanel::do_update_visibility ()
+{
+  if (! m_layer_visibility_follows_selection) {
+    return;
+  }
+
+  std::set<size_t> sel_uints;
+
+  QModelIndexList selected = mp_layer_list->selectionModel ()->selectedIndexes ();
+  for (QModelIndexList::const_iterator i = selected.begin (); i != selected.end (); ++i) {
+    if (i->column () == 0) {
+      sel_uints.insert (mp_model->iterator (*i).uint ());
+    }
+  }
+
+  for (lay::LayerPropertiesConstIterator l = mp_view->begin_layers (); ! l.at_end (); ++l) {
+    lay::LayerProperties props (*l);
+    props.set_visible (sel_uints.find (l.uint ()) != sel_uints.end () || l->has_children ());
+    mp_view->set_properties (l, props);
+  }
+}
+
 void
 LayerControlPanel::do_update_content ()
 {
@@ -2108,6 +2149,14 @@ LayerControlPanel::current_index_changed (const QModelIndex &index)
   }
 }
 
+void
+LayerControlPanel::selection_changed (const QItemSelection &, const QItemSelection &)
+{
+  if (m_layer_visibility_follows_selection) {
+    m_do_update_visibility_dm ();
+  }
+}
+
 void
 LayerControlPanel::group_collapsed (const QModelIndex &index)
 {
@@ -2362,6 +2411,8 @@ public:
     }
 
     menu_entries.push_back (lay::separator ("visibility_group", at));
+    menu_entries.push_back (lay::config_menu_item ("visibility_follows_selection", at, tl::to_string (QObject::tr ("Visibility Follows Selection")), cfg_layer_visibility_follows_selection, "?"));
+    menu_entries.push_back (lay::menu_item ("cm_lv_hide", "hide", at, tl::to_string (QObject::tr ("Hide"))));
     menu_entries.push_back (lay::menu_item ("cm_lv_hide", "hide", at, tl::to_string (QObject::tr ("Hide"))));
     menu_entries.push_back (lay::menu_item ("cm_lv_hide_all", "hide_all", at, tl::to_string (QObject::tr ("Hide All"))));
     menu_entries.push_back (lay::menu_item ("cm_lv_show", "show", at, tl::to_string (QObject::tr ("Show"))));

src/layui/layui/layLayerControlPanel.h

@@ -188,6 +188,18 @@ public:
    */
   bool hide_empty_layers ();
 
+  /**
+   *  @brief Set the "layer visibility follows selection" flag
+   *
+   *  If this flag is set, only the selected layers are made visible.
+   */
+  void set_layer_visibility_follows_selection (bool f);
+
+  /**
+   *  @brief Get the "layer visibility follows selection" flag
+   */
+  bool layer_visibility_follows_selection ();
+
   /**
    *  @brief Set the "test_shapes_in_view" flag
    *
@@ -334,6 +346,7 @@ public slots:
   void group_collapsed (const QModelIndex &index);
   void group_expanded (const QModelIndex &index);
   void current_index_changed (const QModelIndex &index);
+  void selection_changed (const QItemSelection &, const QItemSelection &);
   void up_clicked ();
   void upup_clicked ();
   void down_clicked ();
@@ -363,7 +376,9 @@ private:
   int m_oversampling;
   bool m_hrm;
   tl::DeferredMethod<LayerControlPanel> m_do_update_content_dm;
+  tl::DeferredMethod<LayerControlPanel> m_do_update_visibility_dm;
   bool m_no_stipples;
+  bool m_layer_visibility_follows_selection;
   QLabel *m_no_stipples_label;
   lay::DecoratedLineEdit *mp_search_edit_box;
   QAction *mp_case_sensitive;
@@ -384,6 +399,7 @@ private:
   void signal_vp_changed ();
 
   void do_update_content ();
+  void do_update_visibility ();
   void do_update_hidden_flags ();
   void do_delete ();
   void do_copy ();

src/layview/layview/layLayoutView_qt.cc

@@ -960,6 +960,24 @@ LayoutView::configure (const std::string &name, const std::string &value)
     }
     return true;
 
+  } else if (name == cfg_layer_visibility_follows_selection) {
+
+    bool f;
+    tl::from_string (value, f);
+    if (mp_control_panel) {
+      mp_control_panel->set_layer_visibility_follows_selection (f);
+    }
+    return true;
+
+  } else if (name == cfg_test_shapes_in_view) {
+
+    bool f;
+    tl::from_string (value, f);
+    if (mp_control_panel) {
+      mp_control_panel->set_test_shapes_in_view (f);
+    }
+    return true;
+
   } else if (name == cfg_test_shapes_in_view) {
 
     bool f;