diff -r 5d201ee4a9c3 -r b05af0bab735 src/settingseditor/settingseditor.ui
--- a/src/settingseditor/settingseditor.ui	Tue Jun 07 01:37:26 2022 +0300
+++ b/src/settingseditor/settingseditor.ui	Tue Jun 07 20:44:19 2022 +0300
@@ -68,6 +68,56 @@
             </item>
            </layout>
           </item>
+          <item row="1" column="0">
+           <widget class="QLabel" name="label_6">
+            <property name="text">
+             <string>View mode:</string>
+            </property>
+           </widget>
+          </item>
+          <item row="1" column="1">
+           <layout class="QHBoxLayout" name="horizontalLayout_3">
+            <item>
+             <widget class="QRadioButton" name="viewModeTabs">
+              <property name="toolTip">
+               <string>Arrange opened documents using tabs</string>
+              </property>
+              <property name="text">
+               <string>Tabs</string>
+              </property>
+              <attribute name="buttonGroup">
+               <string notr="true">viewModeButtonGroup</string>
+              </attribute>
+             </widget>
+            </item>
+            <item>
+             <widget class="QRadioButton" name="viewModeSubWindows">
+              <property name="toolTip">
+               <string>Arrange opened documents using resizable and movable subwindows</string>
+              </property>
+              <property name="text">
+               <string>Subwindows</string>
+              </property>
+              <attribute name="buttonGroup">
+               <string notr="true">viewModeButtonGroup</string>
+              </attribute>
+             </widget>
+            </item>
+            <item>
+             <spacer name="horizontalSpacer">
+              <property name="orientation">
+               <enum>Qt::Horizontal</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>40</width>
+                <height>20</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+           </layout>
+          </item>
          </layout>
         </widget>
        </item>
@@ -207,6 +257,18 @@
    <header>widgets/colorbutton.h</header>
   </customwidget>
  </customwidgets>
+ <tabstops>
+  <tabstop>language</tabstop>
+  <tabstop>viewModeTabs</tabstop>
+  <tabstop>viewModeSubWindows</tabstop>
+  <tabstop>mainColorButton</tabstop>
+  <tabstop>selectedColorButton</tabstop>
+  <tabstop>backgroundColorButton</tabstop>
+  <tabstop>lineThickness</tabstop>
+  <tabstop>lineAntiAliasing</tabstop>
+  <tabstop>tabWidget</tabstop>
+  <tabstop>keyboardShortcutsView</tabstop>
+ </tabstops>
  <resources/>
  <connections>
   <connection>
@@ -242,4 +304,7 @@
    </hints>
   </connection>
  </connections>
+ <buttongroups>
+  <buttongroup name="viewModeButtonGroup"/>
+ </buttongroups>
 </ui>