small changes, big effect.

after Version 5.6 QT  is now .--. possible

Animated Docks
Tabbed Docks
Dock Nesting
Document Mode
Tab Shape   Round/Triangular
Tool Button design
specific icon size

MAC:  unified title & tool bar

src/qt/forms/overviewpage.ui

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>OverviewPage</class>
- <widget class="QWidget" name="OverviewPage">
+ <widget class="QMainWindow" name="OverviewPage">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -11,10 +11,18 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Form</string>
+   <string>MainWindow</string>
   </property>
-  <layout class="QHBoxLayout" name="horizontalLayout" stretch="1,1">
-   <item>
+  <widget class="QWidget" name="centralwidget">
+   <widget class="QWidget" name="layoutWidget">
+    <property name="geometry">
+     <rect>
+      <x>-80</x>
+      <y>-190</y>
+      <width>272</width>
+      <height>320</height>
+     </rect>
+    </property>
     <layout class="QVBoxLayout" name="verticalLayout_2">
      <item>
       <widget class="QFrame" name="frame">
@@ -251,9 +259,30 @@
       </spacer>
      </item>
     </layout>
-   </item>
-   <item>
-    <layout class="QVBoxLayout" name="verticalLayout_3">
+   </widget>
+   <widget class="QWidget" name="layoutWidget_2">
+    <property name="geometry">
+     <rect>
+      <x>199</x>
+      <y>-190</y>
+      <width>313</width>
+      <height>247</height>
+     </rect>
+    </property>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <spacer name="verticalSpacer_2">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>40</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
      <item>
       <widget class="QFrame" name="frame_2">
        <property name="frameShape">
@@ -325,22 +354,9 @@
        </layout>
       </widget>
      </item>
-     <item>
-      <spacer name="verticalSpacer_2">
-       <property name="orientation">
-        <enum>Qt::Vertical</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>20</width>
-         <height>40</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
     </layout>
-   </item>
-  </layout>
+   </widget>
+  </widget>
  </widget>
  <resources/>
  <connections/>