adapt style function to work with PlainTextEdit

mainwindow.ui

@@ -246,7 +246,7 @@
            <string>...</string>
           </property>
           <property name="icon">
-           <iconset resource="data.qrc">
+           <iconset>
             <normaloff>:/data/images/data/images/add.png</normaloff>:/data/images/data/images/add.png</iconset>
           </property>
          </widget>
@@ -280,13 +280,13 @@
       <property name="frameShape">
        <enum>QFrame::NoFrame</enum>
       </property>
-      <widget class="QTextEdit" name="textEdit">
+      <widget class="QPlainTextEdit" name="plainTextEdit">
        <property name="geometry">
         <rect>
-         <x>250</x>
-         <y>100</y>
+         <x>200</x>
+         <y>80</y>
          <width>391</width>
-         <height>121</height>
+         <height>101</height>
         </rect>
        </property>
       </widget>
@@ -373,7 +373,7 @@
   </action>
   <action name="actionNewFile">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/new.png</normaloff>:/data/images/data/images/new.png</iconset>
    </property>
    <property name="text">
@@ -385,7 +385,7 @@
   </action>
   <action name="actionSaveFile">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/save_as.png</normaloff>:/data/images/data/images/save_as.png</iconset>
    </property>
    <property name="text">
@@ -397,7 +397,7 @@
   </action>
   <action name="actionSaveAsFile">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/save.png</normaloff>:/data/images/data/images/save.png</iconset>
    </property>
    <property name="text">
@@ -409,7 +409,7 @@
   </action>
   <action name="actionPrintFile">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/print.png</normaloff>:/data/images/data/images/print.png</iconset>
    </property>
    <property name="text">
@@ -421,7 +421,7 @@
   </action>
   <action name="actionEditCopy">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/copy.png</normaloff>:/data/images/data/images/copy.png</iconset>
    </property>
    <property name="text">
@@ -433,7 +433,7 @@
   </action>
   <action name="actionEditPaste">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/paste.png</normaloff>:/data/images/data/images/paste.png</iconset>
    </property>
    <property name="text">
@@ -445,7 +445,7 @@
   </action>
   <action name="actionEditCut">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/cut.png</normaloff>:/data/images/data/images/cut.png</iconset>
    </property>
    <property name="text">
@@ -457,7 +457,7 @@
   </action>
   <action name="actionEditUndo">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/edit_undo.png</normaloff>:/data/images/data/images/edit_undo.png</iconset>
    </property>
    <property name="text">
@@ -469,7 +469,7 @@
   </action>
   <action name="actionEditRedo">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/edit_redo.png</normaloff>:/data/images/data/images/edit_redo.png</iconset>
    </property>
    <property name="text">
@@ -481,7 +481,7 @@
   </action>
   <action name="actionopenFile">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/open.png</normaloff>:/data/images/data/images/open.png</iconset>
    </property>
    <property name="text">
@@ -493,7 +493,7 @@
   </action>
   <action name="actionBold">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/bold.png</normaloff>:/data/images/data/images/bold.png</iconset>
    </property>
    <property name="text">
@@ -502,7 +502,7 @@
   </action>
   <action name="actionItalic">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/italic.png</normaloff>:/data/images/data/images/italic.png</iconset>
    </property>
    <property name="text">
@@ -511,7 +511,7 @@
   </action>
   <action name="actionUnderline">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/underline.png</normaloff>:/data/images/data/images/underline.png</iconset>
    </property>
    <property name="text">
@@ -520,7 +520,7 @@
   </action>
   <action name="actionColor">
    <property name="icon">
-    <iconset resource="data.qrc">
+    <iconset>
      <normaloff>:/data/images/data/images/font-color.png</normaloff>:/data/images/data/images/font-color.png</iconset>
    </property>
    <property name="text">
@@ -528,8 +528,6 @@
    </property>
   </action>
  </widget>
- <resources>
-  <include location="data.qrc"/>
- </resources>
+ <resources/>
  <connections/>
 </ui>