Merge pull request #2039 from KLayout/feature/issue-2016

First attempt to implement a solution for issue #2016

src/ant/ant/antPropertiesPage.cc

@@ -517,7 +517,7 @@ PropertiesPage::readonly ()
 }
 
 void 
-PropertiesPage::apply ()
+PropertiesPage::apply (bool /*commit*/)
 {
   ant::Object obj;
   get_object (obj);

src/ant/ant/antPropertiesPage.h

@@ -50,7 +50,7 @@ public:
   virtual void update ();
   virtual void leave ();
   virtual bool readonly ();
-  virtual void apply ();
+  virtual void apply (bool commit);
 
 private slots:
   void swap_points_clicked ();

src/edt/edt/edtInstPropertiesPage.cc

@@ -925,7 +925,7 @@ InstPropertiesPage::do_apply (bool current_only, bool relative)
 }
 
 void 
-InstPropertiesPage::apply ()
+InstPropertiesPage::apply (bool /*commit*/)
 {
   do_apply (true, false);
 }
@@ -937,7 +937,7 @@ InstPropertiesPage::can_apply_to_all () const
 }
 
 void 
-InstPropertiesPage::apply_to_all (bool relative)
+InstPropertiesPage::apply_to_all (bool relative, bool /*commit*/)
 {
   do_apply (false, relative);
 }

src/edt/edt/edtInstPropertiesPage.h

@@ -66,8 +66,8 @@ protected:
   edt::PCellParametersPage *mp_pcell_parameters;
 
   virtual bool readonly ();
-  virtual void apply (); 
+  virtual void apply (bool commit);
-  virtual void apply_to_all (bool relative);
+  virtual void apply_to_all (bool relative, bool commit);
   virtual bool can_apply_to_all () const;
   void do_apply (bool current_only, bool relative);
   virtual ChangeApplicator *create_applicator (db::Cell &cell, const db::Instance &inst, double dbu);

src/edt/edt/edtPropertiesPages.cc

@@ -215,7 +215,7 @@ ShapePropertiesPage::recompute_selection_ptrs (const std::vector<lay::ObjectInst
 }
 
 void 
-ShapePropertiesPage::do_apply (bool current_only, bool relative)
+ShapePropertiesPage::do_apply (bool current_only, bool relative, bool commit)
 {
   if (m_indexes.empty ()) {
     return;
@@ -321,7 +321,7 @@ ShapePropertiesPage::do_apply (bool current_only, bool relative)
       }
 
       //  handle the case of guiding shape updates
-      std::pair<bool, lay::ObjectInstPath> gs = mp_service->handle_guiding_shape_changes (new_sel[index]);
+      std::pair<bool, lay::ObjectInstPath> gs = mp_service->handle_guiding_shape_changes (new_sel[index], commit);
       if (gs.first) {
 
         new_sel[index] = gs.second;
@@ -350,9 +350,9 @@ ShapePropertiesPage::do_apply (bool current_only, bool relative)
 }
 
 void 
-ShapePropertiesPage::apply ()
+ShapePropertiesPage::apply (bool commit)
 {
-  do_apply (true, false);
+  do_apply (true, false, commit);
 }
 
 bool
@@ -362,9 +362,9 @@ ShapePropertiesPage::can_apply_to_all () const
 }
 
 void 
-ShapePropertiesPage::apply_to_all (bool relative)
+ShapePropertiesPage::apply_to_all (bool relative, bool commit)
 {
-  do_apply (false, relative);
+  do_apply (false, relative, commit);
 }
 
 void 

src/edt/edt/edtPropertiesPages.h

@@ -63,10 +63,10 @@ protected:
 
 private:
   virtual void update ();
-  virtual void apply ();
+  virtual void apply (bool commit);
-  virtual void apply_to_all (bool relative);
+  virtual void apply_to_all (bool relative, bool commit);
   virtual bool can_apply_to_all () const;
-  virtual void do_apply (bool current_only, bool relative);
+  virtual void do_apply (bool current_only, bool relative, bool commit);
   void recompute_selection_ptrs (const std::vector<lay::ObjectInstPath> &new_sel);
 
 protected:

src/edt/edt/edtService.cc

@@ -76,6 +76,7 @@ Service::Service (db::Manager *manager, lay::LayoutViewBase *view, db::ShapeIter
     m_snap_to_objects (true),
     m_snap_objects_to_grid (true),
     m_top_level_sel (false), m_show_shapes_of_instances (true), m_max_shapes_of_instances (1000),
+    m_pcell_lazy_evaluation (0),
     m_hier_copy_mode (-1),
     m_indicate_secondary_selection (false),
     m_seq (0),
@@ -391,6 +392,10 @@ Service::configure (const std::string &name, const std::string &value)
     tl::from_string (value, m_hier_copy_mode);
     service_configuration_changed ();
 
+  } else if (name == cfg_edit_pcell_lazy_eval_mode) {
+
+    tl::from_string (value, m_pcell_lazy_evaluation);
+
   } else {
     lay::EditorServiceBase::configure (name, value);
   }
@@ -598,7 +603,7 @@ Service::end_move (const db::DPoint & /*p*/, lay::angle_constraint_type ac)
     transform (db::DCplxTrans (m_move_trans));
     move_cancel (); // formally this functionality fits here
     //  accept changes to guiding shapes
-    handle_guiding_shape_changes ();
+    handle_guiding_shape_changes (true);
   }
   m_alt_ac = lay::AC_Global;
 }
@@ -846,7 +851,7 @@ Service::transform (const db::DCplxTrans &trans, const std::vector<db::DCplxTran
 
   }
 
-  handle_guiding_shape_changes ();
+  handle_guiding_shape_changes (true);
   selection_to_view ();
 }
 
@@ -1860,7 +1865,7 @@ Service::add_selection (const lay::ObjectInstPath &sel)
 }
 
 std::pair<bool, lay::ObjectInstPath>
-Service::handle_guiding_shape_changes (const lay::ObjectInstPath &obj) const
+Service::handle_guiding_shape_changes (const lay::ObjectInstPath &obj, bool commit) const
 {
   unsigned int cv_index = obj.cv_index ();
   lay::CellView cv = view ()->cellview (cv_index);
@@ -1874,10 +1879,22 @@ Service::handle_guiding_shape_changes (const lay::ObjectInstPath &obj) const
     return std::make_pair (false, lay::ObjectInstPath ());
   }
 
-  if (! layout->is_pcell_instance (obj.cell_index ()).first) {
+  auto pcell_decl = layout->pcell_declaration_for_pcell_variant (obj.cell_index ());
+  if (! pcell_decl) {
     return std::make_pair (false, lay::ObjectInstPath ());
   }
 
+  //  Don't update unless we're committing or not in lazy PCell update mode
+  if (! commit) {
+    if (m_pcell_lazy_evaluation < 0) {
+      if (pcell_decl->wants_lazy_evaluation ()) {
+        return std::make_pair (false, lay::ObjectInstPath ());
+      }
+    } else if (m_pcell_lazy_evaluation > 0) {
+      return std::make_pair (false, lay::ObjectInstPath ());
+    }
+  }
+
   db::cell_index_type top_cell = std::numeric_limits<db::cell_index_type>::max ();
   db::cell_index_type parent_cell = std::numeric_limits<db::cell_index_type>::max ();
   db::Instance parent_inst;
@@ -1944,7 +1961,7 @@ Service::handle_guiding_shape_changes (const lay::ObjectInstPath &obj) const
 }
 
 bool 
-Service::handle_guiding_shape_changes ()
+Service::handle_guiding_shape_changes (bool commit)
 {
   EditableSelectionIterator s = begin_selection ();
 
@@ -1953,7 +1970,7 @@ Service::handle_guiding_shape_changes ()
     return false;
   }
 
-  std::pair<bool, lay::ObjectInstPath> gs = handle_guiding_shape_changes (*s);
+  std::pair<bool, lay::ObjectInstPath> gs = handle_guiding_shape_changes (*s, commit);
   if (gs.first) {
 
     //  remove superfluous proxies

src/edt/edt/edtService.h

@@ -398,17 +398,19 @@ public:
    *
    *  @return true, if PCells have been updated, indicating that our selection is no longer valid
    *
+   *  @param commit If true, changes are "final" (and PCells are updated also in lazy evaluation mode)
+   *
    *  This version assumes there is only one guiding shape selected and will update the selection.
    *  It will also call layout.cleanup() if required.
    */
-  bool handle_guiding_shape_changes ();
+  bool handle_guiding_shape_changes (bool commit);
 
   /**
    *  @brief Handle changes in a specific guiding shape, i.e. create new PCell variants if required
    *
    *  @return A pair of bool (indicating that the object path has changed) and the new guiding shape path
    */
-  std::pair<bool, lay::ObjectInstPath> handle_guiding_shape_changes (const lay::ObjectInstPath &obj) const;
+  std::pair<bool, lay::ObjectInstPath> handle_guiding_shape_changes (const lay::ObjectInstPath &obj, bool commit) const;
 
   /**
    *  @brief Gets a value indicating whether a move operation is ongoing
@@ -672,9 +674,12 @@ private:
   bool m_snap_to_objects;
   bool m_snap_objects_to_grid;
   db::DVector m_global_grid;
+
+  //  Other attributes
   bool m_top_level_sel;
   bool m_show_shapes_of_instances;
   unsigned int m_max_shapes_of_instances;
+  int m_pcell_lazy_evaluation;
 
   //  Hierarchical copy mode (-1: ask, 0: shallow, 1: deep)
   int m_hier_copy_mode;

src/img/img/imgPropertiesPage.cc

@@ -784,7 +784,7 @@ PropertiesPage::reverse_color_order ()
 }
 
 void 
-PropertiesPage::apply ()
+PropertiesPage::apply (bool /*commit*/)
 {
   bool has_error = false;
 
@@ -915,7 +915,7 @@ PropertiesPage::browse ()
 {
 BEGIN_PROTECTED
 
-  apply ();
+  apply (true);
 
   lay::FileDialog file_dialog (this, tl::to_string (QObject::tr ("Load Image File")), tl::to_string (QObject::tr ("All files (*)")));
 
@@ -941,7 +941,7 @@ PropertiesPage::save_pressed ()
 {
 BEGIN_PROTECTED
 
-  apply ();
+  apply (true);
 
   lay::FileDialog file_dialog (this, tl::to_string (QObject::tr ("Save As KLayout Image File")), tl::to_string (QObject::tr ("KLayout image files (*.lyimg);;All files (*)")));
 

src/img/img/imgPropertiesPage.h

@@ -57,7 +57,7 @@ public:
   virtual void update ();
   virtual void leave ();
   virtual bool readonly ();
-  virtual void apply (); 
+  virtual void apply (bool commit);
 
   void set_direct_image (img::Object *image);
 

src/img/img/imgService.cc

@@ -71,7 +71,7 @@ public:
     BEGIN_PROTECTED 
 
     properties_frame->set_direct_image (mp_image_object);
-    properties_frame->apply ();
+    properties_frame->apply (true);
 
     if (mp_image_object->is_empty ()) {
       throw tl::Exception (tl::to_string (tr ("No data loaded for that image")));

src/laybasic/laybasic/layProperties.h

@@ -154,8 +154,10 @@ public:
    *  Apply any changes to the current objects. If nothing was
    *  changed, the object may be left untouched.
    *  The dialog will start a transaction on the manager object.
+   *
+   *  @param commit Is true for the "final" changes (i.e. not during editing)
    */
-  virtual void apply () 
+  virtual void apply (bool /*commit*/)
   {
     //  default implementation is empty.
   }
@@ -174,8 +176,11 @@ public:
    *  Apply any changes to the current object plus all other objects of the same kind. 
    *  If nothing was changed, the objects may be left untouched.
    *  The dialog will start a transaction on the manager object.
+   *
+   *  @param relative Is true if relative mode is selected
+   *  @param commit Is true for the "final" changes (i.e. not during editing)
    */
-  virtual void apply_to_all (bool /*relative*/)
+  virtual void apply_to_all (bool /*relative*/, bool /*commit*/)
   {
     //  default implementation is empty.
   }

src/layui/layui/layPropertiesDialog.cc

@@ -197,7 +197,7 @@ PropertiesDialog::PropertiesDialog (QWidget * /*parent*/, db::Manager *manager,
   }
   for (size_t i = 0; i < mp_properties_pages.size (); ++i) {
     mp_stack->addWidget (mp_properties_pages [i]);
-    connect (mp_properties_pages [i], SIGNAL (edited ()), this, SLOT (apply ()));
+    connect (mp_properties_pages [i], SIGNAL (edited ()), this, SLOT (properties_edited ()));
   }
 
   //  Necessary to maintain the page order for UI regression testing of 0.18 vs. 0.19 (because tl::Collection has changed to order) ..
@@ -314,7 +314,7 @@ PropertiesDialog::current_index_changed (const QModelIndex &index, const QModelI
 
         db::Transaction t (mp_manager, tl::to_string (QObject::tr ("Apply changes")), m_transaction_id);
 
-        mp_properties_pages [m_index]->apply ();
+        mp_properties_pages [m_index]->apply (true);
 
         if (! t.is_empty ()) {
           m_transaction_id = t.id ();
@@ -437,7 +437,7 @@ BEGIN_PROTECTED
 
   if (! mp_properties_pages [m_index]->readonly ()) {
     db::Transaction t (mp_manager, tl::to_string (QObject::tr ("Apply changes")), m_transaction_id);
-    mp_properties_pages [m_index]->apply ();
+    mp_properties_pages [m_index]->apply (true);
     if (! t.is_empty ()) {
       m_transaction_id = t.id ();
     }
@@ -485,7 +485,7 @@ BEGIN_PROTECTED
 
   if (! mp_properties_pages [m_index]->readonly ()) {
     db::Transaction t (mp_manager, tl::to_string (QObject::tr ("Apply changes")), m_transaction_id);
-    mp_properties_pages [m_index]->apply ();
+    mp_properties_pages [m_index]->apply (true);
     if (! t.is_empty ()) {
       m_transaction_id = t.id ();
     }
@@ -567,7 +567,7 @@ PropertiesDialog::any_prev () const
 }
 
 void
-PropertiesDialog::apply ()
+PropertiesDialog::properties_edited ()
 {
 BEGIN_PROTECTED
 
@@ -580,9 +580,9 @@ BEGIN_PROTECTED
   try {
 
     if (mp_ui->apply_to_all_cbx->isChecked () && mp_properties_pages [m_index]->can_apply_to_all ()) {
-      mp_properties_pages [m_index]->apply_to_all (mp_ui->relative_cbx->isChecked ());
+      mp_properties_pages [m_index]->apply_to_all (mp_ui->relative_cbx->isChecked (), false);
     } else {
-      mp_properties_pages [m_index]->apply ();
+      mp_properties_pages [m_index]->apply (false);
     }
     mp_properties_pages [m_index]->update ();
 
@@ -632,7 +632,7 @@ BEGIN_PROTECTED
 
     db::Transaction t (mp_manager, tl::to_string (QObject::tr ("Apply changes")), m_transaction_id);
 
-    mp_properties_pages [m_index]->apply ();
+    mp_properties_pages [m_index]->apply (true);
     mp_properties_pages [m_index]->update ();
 
     if (! t.is_empty ()) {

src/layui/layui/layPropertiesDialog.h

@@ -105,7 +105,7 @@ private:
   void update_controls ();
 
 public slots:
-  void apply ();
+  void properties_edited ();
   void next_pressed ();
   void prev_pressed ();
   void cancel_pressed ();