improve layouts editor headers

--dont highlight the layouts header and
dont allow to sort the contents based on
the columns

app/settingsdialog.cpp

@@ -81,7 +81,6 @@ SettingsDialog::SettingsDialog(QWidget *parent, DockCorona *corona)
     m_model = new QStandardItemModel(m_corona->layoutManager()->layouts().count(), 5, this);
 
     ui->layoutsView->setModel(m_model);
-    ui->layoutsView->setSelectionBehavior(QAbstractItemView::SelectRows);
     ui->layoutsView->horizontalHeader()->setStretchLastSection(true);
     ui->layoutsView->verticalHeader()->setVisible(false);
 

app/settingsdialog.ui

@@ -98,6 +98,12 @@
              <property name="alternatingRowColors">
               <bool>true</bool>
              </property>
+             <property name="selectionMode">
+              <enum>QAbstractItemView::SingleSelection</enum>
+             </property>
+             <property name="selectionBehavior">
+              <enum>QAbstractItemView::SelectRows</enum>
+             </property>
              <property name="showGrid">
               <bool>false</bool>
              </property>
@@ -107,9 +113,18 @@
              <attribute name="horizontalHeaderCascadingSectionResizes">
               <bool>true</bool>
              </attribute>
+             <attribute name="horizontalHeaderHighlightSections">
+              <bool>false</bool>
+             </attribute>
+             <attribute name="horizontalHeaderShowSortIndicator" stdset="0">
+              <bool>false</bool>
+             </attribute>
              <attribute name="verticalHeaderVisible">
               <bool>false</bool>
              </attribute>
+             <attribute name="verticalHeaderHighlightSections">
+              <bool>false</bool>
+             </attribute>
             </widget>
            </item>
            <item>
@@ -396,8 +411,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>567</width>
-            <height>211</height>
+            <width>785</width>
+            <height>505</height>
            </rect>
           </property>
           <layout class="QHBoxLayout" name="horizontalLayout_9">