create/src/Gui/DlgExpressionInput.ui

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>DlgExpressionInput</class>
 <widget class="QDialog" name="DlgExpressionInput">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>414</width>
    <height>95</height>
   </rect>
  </property>
  <property name="sizePolicy">
   <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
    <horstretch>0</horstretch>
    <verstretch>0</verstretch>
   </sizepolicy>
  </property>
  <property name="minimumSize">
   <size>
    <width>300</width>
    <height>0</height>
   </size>
  </property>
  <property name="windowTitle">
   <string>Formula editor</string>
  </property>
  <layout class="QVBoxLayout" name="verticalLayout">
   <property name="spacing">
    <number>3</number>
   </property>
   <property name="margin">
    <number>0</number>
   </property>
   <item>
    <layout class="QHBoxLayout" name="horizontalLayout_2">
     <item>
      <widget class="QWidget" name="widget" native="true">
       <layout class="QVBoxLayout" name="verticalLayout_2">
        <property name="spacing">
         <number>0</number>
        </property>
        <property name="margin">
         <number>0</number>
        </property>
        <item>
         <widget class="QFrame" name="ctrlArea">
          <property name="autoFillBackground">
           <bool>true</bool>
          </property>
          <property name="frameShape">
           <enum>QFrame::StyledPanel</enum>
          </property>
          <property name="frameShadow">
           <enum>QFrame::Raised</enum>
          </property>
          <layout class="QHBoxLayout" name="horizontalLayout_4">
           <property name="spacing">
            <number>4</number>
           </property>
           <property name="margin">
            <number>2</number>
           </property>
           <item>
            <widget class="QLabel" name="label">
             <property name="text">
              <string>Result:</string>
             </property>
            </widget>
           </item>
           <item>
            <widget class="QLabel" name="msg">
             <property name="palette">
              <palette>
               <active>
                <colorrole role="Text">
                 <brush brushstyle="SolidPattern">
                  <color alpha="255">
                   <red>255</red>
                   <green>0</green>
                   <blue>0</blue>
                  </color>
                 </brush>
                </colorrole>
               </active>
               <inactive>
                <colorrole role="Text">
                 <brush brushstyle="SolidPattern">
                  <color alpha="255">
                   <red>255</red>
                   <green>0</green>
                   <blue>0</blue>
                  </color>
                 </brush>
                </colorrole>
               </inactive>
               <disabled>
                <colorrole role="Text">
                 <brush brushstyle="SolidPattern">
                  <color alpha="255">
                   <red>190</red>
                   <green>190</green>
                   <blue>190</blue>
                  </color>
                 </brush>
                </colorrole>
               </disabled>
              </palette>
             </property>
             <property name="text">
              <string/>
             </property>
            </widget>
           </item>
          </layout>
         </widget>
        </item>
       </layout>
      </widget>
     </item>
     <item>
      <spacer name="horizontalSpacer">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
       <property name="sizeHint" stdset="0">
        <size>
         <width>0</width>
         <height>20</height>
        </size>
       </property>
      </spacer>
     </item>
    </layout>
   </item>
   <item>
    <layout class="QHBoxLayout" name="horizontalLayout_5">
     <item>
      <widget class="Gui::ExpressionLineEdit" name="expression">
       <property name="sizePolicy">
        <sizepolicy hsizetype="Ignored" vsizetype="Ignored">
         <horstretch>0</horstretch>
         <verstretch>0</verstretch>
        </sizepolicy>
       </property>
       <property name="minimumSize">
        <size>
         <width>10</width>
         <height>10</height>
        </size>
       </property>
      </widget>
     </item>
     <item>
      <spacer name="horizontalSpacer_3">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
       <property name="sizeHint" stdset="0">
        <size>
         <width>0</width>
         <height>2</height>
        </size>
       </property>
      </spacer>
     </item>
    </layout>
   </item>
   <item>
    <layout class="QHBoxLayout" name="horizontalLayout_3">
     <item>
      <layout class="QHBoxLayout" name="horizontalLayout">
       <property name="spacing">
        <number>2</number>
       </property>
       <item>
        <widget class="QPushButton" name="discardBtn">
         <property name="text">
          <string>&amp;Clear</string>
         </property>
         <property name="toolTip">
          <string>Revert to last calculated value (as constant)</string>
         </property>
         <property name="autoDefault">
          <bool>true</bool>
         </property>
         <property name="default">
          <bool>false</bool>
         </property>
        </widget>
       </item>
       <item>
        <widget class="QPushButton" name="okBtn">
         <property name="text">
          <string>Ok</string>
         </property>
         <property name="autoDefault">
          <bool>true</bool>
         </property>
         <property name="default">
          <bool>true</bool>
         </property>
        </widget>
       </item>
      </layout>
     </item>
     <item>
      <spacer name="horizontalSpacer_2">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
       <property name="sizeHint" stdset="0">
        <size>
         <width>0</width>
         <height>20</height>
        </size>
       </property>
      </spacer>
     </item>
    </layout>
   </item>
   <item>
    <spacer name="verticalSpacer">
     <property name="orientation">
      <enum>Qt::Vertical</enum>
     </property>
     <property name="sizeHint" stdset="0">
      <size>
       <width>20</width>
       <height>0</height>
      </size>
     </property>
    </spacer>
   </item>
  </layout>
  <zorder>label</zorder>
  <zorder>expression</zorder>
  <zorder>widget</zorder>
  <zorder>ctrlArea</zorder>
 </widget>
 <customwidgets>
  <customwidget>
   <class>Gui::ExpressionLineEdit</class>
   <extends>QLineEdit</extends>
   <header>ExpressionCompleter.h</header>
  </customwidget>
 </customwidgets>
 <resources/>
 <connections>
  <connection>
   <sender>okBtn</sender>
   <signal>clicked()</signal>
   <receiver>DlgExpressionInput</receiver>
   <slot>accept()</slot>
   <hints>
    <hint type="sourcelabel">
     <x>275</x>
     <y>94</y>
    </hint>
    <hint type="destinationlabel">
     <x>310</x>
     <y>63</y>
    </hint>
   </hints>
  </connection>
 </connections>
</ui>