add relock button (gui components)

linien-gui/linien_gui/ui/locking_panel.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>350</width>
-    <height>754</height>
+    <height>1012</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -1079,6 +1079,28 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QPushButton" name="relockPushButton">
+        <property name="minimumSize">
+         <size>
+          <width>0</width>
+          <height>50</height>
+         </size>
+        </property>
+        <property name="font">
+         <font>
+          <weight>75</weight>
+          <bold>true</bold>
+         </font>
+        </property>
+        <property name="styleSheet">
+         <string notr="true">background: #00aa00</string>
+        </property>
+        <property name="text">
+         <string>Relock</string>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="QGroupBox" name="controlSignalHistoryGroupBox">
         <property name="sizePolicy">
@@ -1090,7 +1112,14 @@
         <property name="title">
          <string>Control signal history length</string>
         </property>
-        <layout class="QHBoxLayout" name="horizontalLayout_9">
+        <layout class="QVBoxLayout" name="verticalLayout_3">
+         <item>
+          <widget class="QLabel" name="label_4">
+           <property name="text">
+            <string>s</string>
+           </property>
+          </widget>
+         </item>
          <item>
           <widget class="CustomSpinBox" name="controlSignalHistoryLengthSpinBox">
            <property name="minimum">
@@ -1107,13 +1136,6 @@
            </property>
           </widget>
          </item>
-         <item>
-          <widget class="QLabel" name="label_4">
-           <property name="text">
-            <string>s</string>
-           </property>
-          </widget>
-         </item>
         </layout>
        </widget>
       </item>