improve visual for layouts tableview

app/layoutconfigdialog.ui

@@ -2,6 +2,14 @@
 <ui version="4.0">
  <class>LayoutConfigDialog</class>
  <widget class="QDialog" name="LayoutConfigDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>554</width>
+    <height>445</height>
+   </rect>
+  </property>
   <property name="windowTitle">
    <string/>
   </property>
@@ -22,9 +30,12 @@
       <layout class="QHBoxLayout" name="horizontalLayout">
        <item>
         <widget class="QTableView" name="layoutsView">
-         <property name="showGrid">
+         <property name="alternatingRowColors">
           <bool>true</bool>
          </property>
+         <property name="showGrid">
+          <bool>false</bool>
+         </property>
          <attribute name="horizontalHeaderVisible">
           <bool>true</bool>
          </attribute>
@@ -75,6 +86,22 @@
             </property>
            </widget>
           </item>
+          <item>
+           <spacer name="verticalSpacer_2">
+            <property name="orientation">
+             <enum>Qt::Vertical</enum>
+            </property>
+            <property name="sizeType">
+             <enum>QSizePolicy::Preferred</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>20</width>
+              <height>10</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
           <item>
            <widget class="Line" name="line">
             <property name="sizePolicy">
@@ -103,6 +130,22 @@
             </property>
            </widget>
           </item>
+          <item>
+           <spacer name="verticalSpacer_3">
+            <property name="orientation">
+             <enum>Qt::Vertical</enum>
+            </property>
+            <property name="sizeType">
+             <enum>QSizePolicy::Preferred</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>20</width>
+              <height>10</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
           <item>
            <widget class="QPushButton" name="importButton">
             <property name="text">

app/layoutsDelegates/colorcmbboxdelegate.cpp

@@ -72,6 +72,6 @@ void ColorCmbBoxDelegate::paint(QPainter *painter, const QStyleOptionViewItem &o
                                 option.rect.width(), option.rect.height()));
     }
 
-    QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &myOption, painter);
+    //QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &myOption, painter);
 }