improve button focus in find widget

ok is focused by default
all other buttons are skipped when tabbing through widgets

src/admc/filter_widget/filter_widget_normal_tab.ui

@@ -88,6 +88,9 @@
        <layout class="QHBoxLayout" name="horizontalLayout">
         <item>
          <widget class="QPushButton" name="add_button">
+          <property name="focusPolicy">
+           <enum>Qt::NoFocus</enum>
+          </property>
           <property name="text">
            <string>Add</string>
           </property>
@@ -133,6 +136,9 @@
        </property>
        <item>
         <widget class="QPushButton" name="remove_button">
+         <property name="focusPolicy">
+          <enum>Qt::NoFocus</enum>
+         </property>
          <property name="text">
           <string>Remove</string>
          </property>
@@ -140,6 +146,9 @@
        </item>
        <item>
         <widget class="QPushButton" name="clear_button">
+         <property name="focusPolicy">
+          <enum>Qt::NoFocus</enum>
+         </property>
          <property name="text">
           <string>Clear</string>
          </property>

src/admc/filter_widget/select_base_widget.ui

@@ -38,6 +38,9 @@
    </item>
    <item>
     <widget class="QPushButton" name="browse_button">
+     <property name="focusPolicy">
+      <enum>Qt::NoFocus</enum>
+     </property>
      <property name="text">
       <string>Browse...</string>
      </property>

src/admc/filter_widget/select_classes_widget.ui

@@ -35,6 +35,9 @@
    </item>
    <item>
     <widget class="QPushButton" name="select_button">
+     <property name="focusPolicy">
+      <enum>Qt::NoFocus</enum>
+     </property>
      <property name="text">
       <string>Select...</string>
      </property>

src/admc/find_widget.ui

@@ -69,9 +69,15 @@
        <layout class="QHBoxLayout" name="horizontalLayout_5">
         <item>
          <widget class="QPushButton" name="find_button">
+          <property name="focusPolicy">
+           <enum>Qt::WheelFocus</enum>
+          </property>
           <property name="text">
            <string>Find</string>
           </property>
+          <property name="autoDefault">
+           <bool>false</bool>
+          </property>
           <property name="default">
            <bool>true</bool>
           </property>
@@ -79,6 +85,9 @@
         </item>
         <item>
          <widget class="QPushButton" name="stop_button">
+          <property name="focusPolicy">
+           <enum>Qt::NoFocus</enum>
+          </property>
           <property name="text">
            <string>Stop</string>
           </property>