--- a/src/qtgui/viewaction.ui
+++ b/src/qtgui/viewaction.ui
@@ -1,114 +1,100 @@
-<!DOCTYPE UI><UI version="3.3" stdsetdef="1">
-<class>ViewActionBase</class>
-<widget class="QDialog">
-    <property name="name">
-        <cstring>ViewActionBase</cstring>
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0" stdsetdef="1">
+  <author></author>
+  <comment></comment>
+  <exportmacro></exportmacro>
+  <class>ViewActionBase</class>
+  <widget class="QDialog" name="ViewActionBase">
+    <property name="geometry">
+      <rect>
+        <x>0</x>
+        <y>0</y>
+        <width>400</width>
+        <height>132</height>
+      </rect>
     </property>
-    <property name="geometry">
-        <rect>
-            <x>0</x>
-            <y>0</y>
-            <width>400</width>
-            <height>132</height>
-        </rect>
+    <property name="windowTitle">
+      <string>Native Viewers</string>
     </property>
-    <property name="caption">
-        <string>Native Viewers</string>
-    </property>
-    <hbox>
-        <property name="name">
-            <cstring>unnamed</cstring>
-        </property>
-        <widget class="QLayoutWidget">
-            <property name="name">
-                <cstring>layout3</cstring>
-            </property>
-            <vbox>
-                <property name="name">
-                    <cstring>unnamed</cstring>
+    <layout class="QHBoxLayout">
+      <item>
+        <layout class="QVBoxLayout">
+          <item>
+            <widget class="QLabel" name="textLabel1">
+              <property name="text">
+                <string>Select one or several mime types then click &quot;Change Action&quot;&lt;br&gt;You can also close this dialog and check &quot;Use desktop preferences&quot;&lt;br&gt;in the main panel to ignore this list and use your desktop defaults.</string>
+              </property>
+              <property name="wordWrap">
+                <bool>false</bool>
+              </property>
+            </widget>
+          </item>
+          <item>
+            <widget class="Q3ListView" name="actionsLV">
+              <property name="frameShape">
+                <enum>QFrame::StyledPanel</enum>
+              </property>
+              <property name="frameShadow">
+                <enum>QFrame::Sunken</enum>
+              </property>
+              <property name="selectionMode">
+                <enum>Q3ListView::Extended</enum>
+              </property>
+              <property name="allColumnsShowFocus">
+                <bool>true</bool>
+              </property>
+              <property name="showSortIndicator">
+                <bool>true</bool>
+              </property>
+              <property name="toolTip" stdset="0">
+                <string>Select one or several file types, then click Change Action to modify the program used to open them</string>
+              </property>
+              <column>
+                <property name="text">
+                  <string>File type</string>
                 </property>
-              <widget class="QLabel">
-                <property name="name">
-                  <cstring>textLabel1</cstring>
+                <property name="clickable">
+                  <bool>true</bool>
                 </property>
+                <property name="resizable">
+                  <bool>true</bool>
+                </property>
+              </column>
+              <column>
                 <property name="text">
-                  <string>Select one or several mime types then click "Change Action"&lt;br&gt;You can also close this dialog and check "Use desktop preferences"&lt;br&gt;in the main panel to ignore this list and use your desktop defaults.</string>
+                  <string>Action</string>
                 </property>
-              </widget>
-                <widget class="QListView">
-                    <column>
-                        <property name="text">
-                            <string>File type</string>
-                        </property>
-                        <property name="clickable">
-                            <bool>true</bool>
-                        </property>
-                        <property name="resizable">
-                            <bool>true</bool>
-                        </property>
-                    </column>
-                    <column>
-                        <property name="text">
-                            <string>Action</string>
-                        </property>
-                        <property name="clickable">
-                            <bool>true</bool>
-                        </property>
-                        <property name="resizable">
-                            <bool>true</bool>
-                        </property>
-                    </column>
-                    <property name="name">
-                        <cstring>actionsLV</cstring>
-                    </property>
-                    <property name="frameShape">
-                        <enum>StyledPanel</enum>
-                    </property>
-                    <property name="frameShadow">
-                        <enum>Sunken</enum>
-                    </property>
-                    <property name="selectionMode">
-                        <enum>Extended</enum>
-                    </property>
-                    <property name="allColumnsShowFocus">
-                        <bool>true</bool>
-                    </property>
-                    <property name="showSortIndicator">
-                        <bool>true</bool>
-                    </property>
-                    <property name="toolTip" stdset="0">
-                        <string>Select one or several file types, then click Change Action to modify the program used to open them</string>
-                    </property>
+                <property name="clickable">
+                  <bool>true</bool>
+                </property>
+                <property name="resizable">
+                  <bool>true</bool>
+                </property>
+              </column>
+            </widget>
+          </item>
+          <item>
+            <layout class="QHBoxLayout">
+              <item>
+                <widget class="QPushButton" name="chgActPB">
+                  <property name="text">
+                    <string>Change Action</string>
+                  </property>
                 </widget>
-                <widget class="QLayoutWidget">
-                    <property name="name">
-                        <cstring>layout1</cstring>
-                    </property>
-                    <hbox>
-                        <property name="name">
-                            <cstring>unnamed</cstring>
-                        </property>
-                        <widget class="QPushButton">
-                            <property name="name">
-                                <cstring>chgActPB</cstring>
-                            </property>
-                            <property name="text">
-                                <string>Change Action</string>
-                            </property>
-                        </widget>
-                        <widget class="QPushButton">
-                            <property name="name">
-                                <cstring>closePB</cstring>
-                            </property>
-                            <property name="text">
-                                <string>Close</string>
-                            </property>
-                        </widget>
-                    </hbox>
+              </item>
+              <item>
+                <widget class="QPushButton" name="closePB">
+                  <property name="text">
+                    <string>Close</string>
+                  </property>
                 </widget>
-            </vbox>
-        </widget>
-    </hbox>
-</widget>
-<layoutdefaults spacing="6" margin="11"/>
-</UI>
+              </item>
+            </layout>
+          </item>
+        </layout>
+      </item>
+    </layout>
+  </widget>
+  <layoutdefault spacing="6" margin="11"/>
+  <pixmapfunction>qPixmapFromMimeSource</pixmapfunction>
+</ui>