GTK3 header for about dialog

ubl-settings-video.glade

@@ -108,62 +108,8 @@
     </child>
   </object>
   <object class="GtkSizeGroup" id="ThirdColumnSizeGroup"/>
-  <object class="GtkWindow">
-    <property name="width-request">800</property>
-    <property name="height-request">400</property>
-    <property name="can-focus">False</property>
-    <property name="default-width">800</property>
-    <property name="default-height">400</property>
-    <property name="icon-name">com.ublinux.ubl-settings-video</property>
-    <child>
-      <object class="GtkBox">
-        <property name="visible">True</property>
-        <property name="can-focus">False</property>
-        <property name="orientation">vertical</property>
-        <child>
-          <placeholder/>
-        </child>
-      </object>
-    </child>
-    <child type="titlebar">
-      <object class="GtkHeaderBar" id="TerminalHeaderBar">
-        <property name="visible">True</property>
-        <property name="can-focus">False</property>
-        <property name="show-close-button">True</property>
-        <child type="title">
-          <object class="GtkLabel" id="TerminalHeaderTitleLabel">
-            <property name="visible">True</property>
-            <property name="can-focus">False</property>
-            <property name="halign">start</property>
-            <property name="margin-left">5</property>
-            <property name="margin-right">5</property>
-            <property name="margin-start">5</property>
-            <property name="margin-end">5</property>
-            <property name="hexpand">False</property>
-            <property name="label" translatable="yes">UBlinux Video Configuration</property>
-            <attributes>
-              <attribute name="weight" value="bold"/>
-            </attributes>
-          </object>
-        </child>
-        <child>
-          <object class="GtkImage">
-            <property name="visible">True</property>
-            <property name="can-focus">False</property>
-            <property name="margin-left">5</property>
-            <property name="margin-right">5</property>
-            <property name="margin-start">5</property>
-            <property name="margin-end">5</property>
-            <property name="pixel-size">32</property>
-            <property name="icon-name">com.ublinux.ubl-settings-video</property>
-          </object>
-        </child>
-      </object>
-    </child>
-  </object>
   <object class="GtkAboutDialog" id="aboutWindow">
     <property name="can-focus">False</property>
-    <property name="title" translatable="yes">О Программе</property>
     <property name="resizable">False</property>
     <property name="modal">True</property>
     <property name="window-position">center</property>
@@ -206,6 +152,20 @@
         </child>
       </object>
     </child>
+    <child type="titlebar">
+      <object class="GtkHeaderBar" id="GEADER">
+        <property name="visible">True</property>
+        <property name="can-focus">False</property>
+        <property name="show-close-button">True</property>
+        <child type="title">
+          <object class="GtkLabel" id="AboutHeaderLabel">
+            <property name="visible">True</property>
+            <property name="can-focus">False</property>
+            <property name="label" translatable="yes">About ubl-settings-video</property>
+          </object>
+        </child>
+      </object>
+    </child>
   </object>
   <object class="GtkAdjustment" id="adjustment1">
     <property name="upper">300</property>
@@ -2327,7 +2287,7 @@
           </object>
         </child>
         <child>
-          <object class="GtkBox" id="boxButton">
+          <object class="GtkBox" id="plugLoadButton">
             <property name="visible">True</property>
             <property name="can-focus">False</property>
             <child>
@@ -2385,7 +2345,7 @@
           </packing>
         </child>
         <child>
-          <object class="GtkBox" id="boxSave">
+          <object class="GtkBox" id="plugSaveButton">
             <property name="visible">True</property>
             <property name="can-focus">False</property>
             <child>