Add step btn

mainwindow.ui

@@ -79,7 +79,7 @@
        </size>
       </property>
       <property name="frameShape">
-       <enum>QFrame::NoFrame</enum>
+       <enum>QFrame::Shape::NoFrame</enum>
       </property>
       <layout class="QHBoxLayout" name="horizontalLayout_13">
        <item>
@@ -333,7 +333,7 @@
        </size>
       </property>
       <property name="frameShape">
-       <enum>QFrame::NoFrame</enum>
+       <enum>QFrame::Shape::NoFrame</enum>
       </property>
       <layout class="QVBoxLayout" name="verticalLayout_3">
        <item>
@@ -341,9 +341,15 @@
          <layout class="QHBoxLayout" name="horizontalLayout_7">
           <item>
            <widget class="QSpinBox" name="stepNumber">
+            <property name="suffix">
+             <string>/1</string>
+            </property>
             <property name="minimum">
              <number>1</number>
             </property>
+            <property name="maximum">
+             <number>1</number>
+            </property>
            </widget>
           </item>
           <item>
@@ -478,7 +484,7 @@
      <x>0</x>
      <y>0</y>
      <width>800</width>
-     <height>21</height>
+     <height>22</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -579,7 +585,7 @@
     <string>New File</string>
    </property>
    <property name="menuRole">
-    <enum>QAction::NoRole</enum>
+    <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
   <action name="actionSaveFile">
@@ -591,7 +597,7 @@
     <string>Save</string>
    </property>
    <property name="menuRole">
-    <enum>QAction::NoRole</enum>
+    <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
   <action name="actionSaveAsFile">
@@ -603,7 +609,7 @@
     <string>Save as</string>
    </property>
    <property name="menuRole">
-    <enum>QAction::NoRole</enum>
+    <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
   <action name="actionEditCopy">
@@ -615,7 +621,7 @@
     <string>Copy</string>
    </property>
    <property name="menuRole">
-    <enum>QAction::NoRole</enum>
+    <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
   <action name="actionEditPaste">
@@ -627,7 +633,7 @@
     <string>Paste</string>
    </property>
    <property name="menuRole">
-    <enum>QAction::NoRole</enum>
+    <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
   <action name="actionEditCut">
@@ -639,7 +645,7 @@
     <string>Cut</string>
    </property>
    <property name="menuRole">
-    <enum>QAction::NoRole</enum>
+    <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
   <action name="actionEditUndo">
@@ -651,7 +657,7 @@
     <string>Undo</string>
    </property>
    <property name="menuRole">
-    <enum>QAction::NoRole</enum>
+    <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
   <action name="actionEditRedo">
@@ -663,7 +669,7 @@
     <string>Redo</string>
    </property>
    <property name="menuRole">
-    <enum>QAction::NoRole</enum>
+    <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
   <action name="actionopenFile">
@@ -675,7 +681,7 @@
     <string>Open file</string>
    </property>
    <property name="menuRole">
-    <enum>QAction::NoRole</enum>
+    <enum>QAction::MenuRole::NoRole</enum>
    </property>
   </action>
   <action name="actionNew">