Change ctkDICOMAppWidget from QMainWindow to QWidget

Changed the type in the .h and .ui files so that the
widget can be reused in other places (like the AppHosting
examples)

Libs/DICOM/Widgets/Resources/UI/ctkDICOMAppWidget.ui

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>ctkDICOMAppWidget</class>
- <widget class="QMainWindow" name="ctkDICOMAppWidget">
+ <widget class="QWidget" name="ctkDICOMAppWidget">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -19,140 +19,124 @@
   <property name="windowTitle">
    <string>ctkDICOMAppWidget</string>
   </property>
-  <widget class="QWidget" name="centralwidget">
-   <layout class="QVBoxLayout" name="verticalLayout">
-    <item>
-     <layout class="QHBoxLayout" name="topLayout">
-      <item>
-       <widget class="QLabel" name="label">
-        <property name="maximumSize">
-         <size>
-          <width>100</width>
-          <height>20</height>
-         </size>
-        </property>
-        <property name="text">
-         <string>LocalDatabase:</string>
-        </property>
-       </widget>
-      </item>
-      <item>
-       <widget class="ctkDirectoryButton" name="directoryButton" native="true">
-        <property name="minimumSize">
-         <size>
-          <width>200</width>
-          <height>20</height>
-         </size>
-        </property>
-       </widget>
-      </item>
-      <item>
-       <spacer name="horizontalSpacer">
-        <property name="orientation">
-         <enum>Qt::Horizontal</enum>
-        </property>
-        <property name="sizeHint" stdset="0">
-         <size>
-          <width>40</width>
-          <height>20</height>
-         </size>
-        </property>
-       </spacer>
-      </item>
-     </layout>
-    </item>
-    <item>
-     <layout class="QHBoxLayout" name="queryLayout" stretch="1,0">
-      <item>
-       <widget class="QTreeView" name="treeView">
-        <property name="alternatingRowColors">
-         <bool>true</bool>
-        </property>
-       </widget>
-      </item>
-      <item>
-       <layout class="QVBoxLayout" name="searchOptionLayout">
-        <item>
-         <widget class="ctkDICOMQueryWidget" name="searchOption" native="true"/>
-        </item>
-        <item>
-         <spacer name="verticalSpacer">
-          <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>
-    </item>
-    <item>
-     <layout class="QHBoxLayout" name="viewerLayout">
-      <item>
-       <widget class="ctkDICOMThumbnailListWidget" name="thumbnailsWidget" native="true">
-        <property name="minimumSize">
-         <size>
-          <width>0</width>
-          <height>200</height>
-         </size>
-        </property>
-       </widget>
-      </item>
-      <item>
-       <widget class="QWidget" name="previewWidget" native="true">
-        <property name="minimumSize">
-         <size>
-          <width>256</width>
-          <height>256</height>
-         </size>
-        </property>
-       </widget>
-      </item>
-     </layout>
-    </item>
-   </layout>
-  </widget>
-  <widget class="QMenuBar" name="menubar">
-   <property name="geometry">
-    <rect>
-     <x>0</x>
-     <y>0</y>
-     <width>739</width>
-     <height>25</height>
-    </rect>
-   </property>
-   <widget class="QMenu" name="menuFile">
-    <property name="title">
-     <string>File</string>
-    </property>
-   </widget>
-   <addaction name="menuFile"/>
-  </widget>
-  <widget class="QStatusBar" name="statusbar"/>
-  <widget class="QToolBar" name="toolBar">
-   <property name="windowTitle">
-    <string>toolBar</string>
-   </property>
-   <property name="floatable">
-    <bool>true</bool>
-   </property>
-   <attribute name="toolBarArea">
-    <enum>TopToolBarArea</enum>
-   </attribute>
-   <attribute name="toolBarBreak">
-    <bool>false</bool>
-   </attribute>
-   <addaction name="actionImport"/>
-   <addaction name="actionExport"/>
-   <addaction name="actionQuery"/>
-   <addaction name="actionSend"/>
-  </widget>
+  <layout class="QVBoxLayout" name="verticalLayout_2">
+   <item>
+    <widget class="QToolBar" name="toolBar">
+     <property name="windowTitle">
+      <string>toolBar</string>
+     </property>
+     <property name="floatable">
+      <bool>true</bool>
+     </property>
+     <addaction name="actionImport"/>
+     <addaction name="actionExport"/>
+     <addaction name="actionQuery"/>
+     <addaction name="actionSend"/>
+    </widget>
+   </item>
+   <item>
+    <widget class="QStatusBar" name="statusbar"/>
+   </item>
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <layout class="QHBoxLayout" name="topLayout">
+       <item>
+        <widget class="QLabel" name="label">
+         <property name="maximumSize">
+          <size>
+           <width>100</width>
+           <height>20</height>
+          </size>
+         </property>
+         <property name="text">
+          <string>LocalDatabase:</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="ctkDirectoryButton" name="directoryButton" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>200</width>
+           <height>20</height>
+          </size>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="horizontalSpacer">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>40</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="queryLayout" stretch="1,0">
+       <item>
+        <widget class="QTreeView" name="treeView">
+         <property name="alternatingRowColors">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <layout class="QVBoxLayout" name="searchOptionLayout">
+         <item>
+          <widget class="ctkDICOMQueryWidget" name="searchOption" native="true"/>
+         </item>
+         <item>
+          <spacer name="verticalSpacer">
+           <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>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="viewerLayout">
+       <item>
+        <widget class="ctkDICOMThumbnailListWidget" name="thumbnailsWidget" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>0</width>
+           <height>200</height>
+          </size>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QWidget" name="previewWidget" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>256</width>
+           <height>256</height>
+          </size>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+  </layout>
   <action name="actionImport">
    <property name="text">
     <string>Import</string>

Libs/DICOM/Widgets/ctkDICOMAppWidget.h

@@ -30,11 +30,11 @@ class QModelIndex;
 class ctkDICOMAppWidgetPrivate;
 class ctkDICOMThumbnailWidget;
 
-class CTK_DICOM_WIDGETS_EXPORT ctkDICOMAppWidget : public QMainWindow
+class CTK_DICOM_WIDGETS_EXPORT ctkDICOMAppWidget : public QWidget
 {
 Q_OBJECT;
 public:
-  typedef QMainWindow Superclass;
+  typedef QWidget Superclass;
   explicit ctkDICOMAppWidget(QWidget* parent=0);
   virtual ~ctkDICOMAppWidget();