From 872eaabb75799cc941c925fc88c8ea9931070dcf Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@klayout.de>
Date: Fri, 15 Aug 2025 15:23:54 +0200
Subject: [PATCH] Enhancement: 'relative' option of properties dialog is
 persisted now.

---
 src/lay/lay/layMainConfigPages.cc      |  1 +
 src/laybasic/laybasic/laybasicConfig.h |  2 ++
 src/layui/layui/layPropertiesDialog.cc | 27 ++++++++++++++++++++++++++
 src/layui/layui/layPropertiesDialog.h  |  2 ++
 4 files changed, 32 insertions(+)

diff --git a/src/lay/lay/layMainConfigPages.cc b/src/lay/lay/layMainConfigPages.cc
index 41afe1814..67f793e23 100644
--- a/src/lay/lay/layMainConfigPages.cc
+++ b/src/lay/lay/layMainConfigPages.cc
@@ -85,6 +85,7 @@ public:
     options.push_back (std::pair<std::string, std::string> (cfg_reader_options_show_always, "false"));
     options.push_back (std::pair<std::string, std::string> (cfg_assistant_bookmarks, ""));
     options.push_back (std::pair<std::string, std::string> (cfg_always_exit_without_saving, "false"));
+    options.push_back (std::pair<std::string, std::string> (cfg_properties_dialog_relative_mode, "true"));
   }
 
   virtual std::vector<std::pair <std::string, ConfigPage *> > config_pages (QWidget *parent) const 
diff --git a/src/laybasic/laybasic/laybasicConfig.h b/src/laybasic/laybasic/laybasicConfig.h
index eb99c9d4b..47ec7a75f 100644
--- a/src/laybasic/laybasic/laybasicConfig.h
+++ b/src/laybasic/laybasic/laybasicConfig.h
@@ -158,6 +158,8 @@ static const std::string cfg_guiding_shape_color ("guiding-shape-color");
 static const std::string cfg_guiding_shape_line_width ("guiding-shape-line-width");
 static const std::string cfg_guiding_shape_vertex_size ("guiding-shape-vertex-size");
 
+static const std::string cfg_properties_dialog_relative_mode ("properties-dialog-relative-mode");
+
 }
 
 #endif
diff --git a/src/layui/layui/layPropertiesDialog.cc b/src/layui/layui/layPropertiesDialog.cc
index edd85844b..7f6a938c8 100644
--- a/src/layui/layui/layPropertiesDialog.cc
+++ b/src/layui/layui/layPropertiesDialog.cc
@@ -27,6 +27,8 @@
 #include "tlLog.h"
 #include "layEditable.h"
 #include "layProperties.h"
+#include "layDispatcher.h"
+#include "laybasicConfig.h"
 #include "tlExceptions.h"
 
 #include "ui_PropertiesDialog.h"
@@ -246,6 +248,8 @@ PropertiesDialog::PropertiesDialog (QWidget * /*parent*/, db::Manager *manager,
   mp_ui->apply_to_all_cbx->setChecked (false);
   mp_ui->relative_cbx->setChecked (true);
 
+  fetch_config ();
+
   connect (mp_ui->ok_button, SIGNAL (clicked ()), this, SLOT (ok_pressed ()));
   connect (mp_ui->cancel_button, SIGNAL (clicked ()), this, SLOT (cancel_pressed ()));
   connect (mp_ui->prev_button, SIGNAL (clicked ()), this, SLOT (prev_pressed ()));
@@ -263,6 +267,26 @@ PropertiesDialog::~PropertiesDialog ()
   disconnect ();
 }
 
+void
+PropertiesDialog::fetch_config ()
+{
+  if (! lay::Dispatcher::instance ()) {
+    return;
+  }
+
+  bool rm = true;
+  lay::Dispatcher::instance ()->config_get (cfg_properties_dialog_relative_mode, rm);
+  mp_ui->relative_cbx->setChecked (rm);
+}
+
+void
+PropertiesDialog::store_config ()
+{
+  if (lay::Dispatcher::instance ()) {
+    lay::Dispatcher::instance ()->config_set (cfg_properties_dialog_relative_mode, mp_ui->relative_cbx->isChecked ());
+  }
+}
+
 void 
 PropertiesDialog::disconnect ()
 {
@@ -617,6 +641,7 @@ PropertiesDialog::cancel_pressed ()
 
   }
 
+  store_config ();
   //  make sure that the property pages are no longer used ..
   disconnect ();
   //  close the dialog
@@ -641,6 +666,7 @@ BEGIN_PROTECTED
 
   }
 
+  store_config ();
   //  make sure that the property pages are no longer used ..
   disconnect ();
   QDialog::accept ();
@@ -651,6 +677,7 @@ END_PROTECTED
 void 
 PropertiesDialog::reject ()
 {
+  store_config ();
   //  make sure that the property pages are no longer used ..
   disconnect ();
   QDialog::reject ();
diff --git a/src/layui/layui/layPropertiesDialog.h b/src/layui/layui/layPropertiesDialog.h
index 01e09db45..f9282c0b4 100644
--- a/src/layui/layui/layPropertiesDialog.h
+++ b/src/layui/layui/layPropertiesDialog.h
@@ -99,6 +99,8 @@ private:
 
   const std::vector<lay::PropertiesPage *> &properties_pages () { return mp_properties_pages; }
   void disconnect ();
+  void fetch_config ();
+  void store_config ();
   bool any_prev () const;
   bool any_next () const;
   void update_title ();