diff -r 638a7458ef5e -r ae7f7fbb9cda src/mainwindow.ui
--- a/src/mainwindow.ui	Mon Jul 04 01:20:36 2022 +0300
+++ b/src/mainwindow.ui	Mon Jul 04 15:37:22 2022 +0300
@@ -217,7 +217,11 @@
    <widget class="QWidget" name="dockWidgetContents_3">
     <layout class="QVBoxLayout" name="verticalLayout_4">
      <item>
-      <widget class="QPlainTextEdit" name="modelEdit"/>
+      <widget class="QPlainTextEdit" name="modelEdit">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
+      </widget>
      </item>
     </layout>
    </widget>