Improved the UI's layout so that it doesn't stretch too much

forms/interface.ui

@@ -249,7 +249,7 @@ pattern recorded :</string>
             <item>
              <widget class="QGroupBox" name="gridPatternGroupBox">
               <property name="sizePolicy">
-               <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+               <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
                 <horstretch>0</horstretch>
                 <verstretch>0</verstretch>
                </sizepolicy>
@@ -257,11 +257,17 @@ pattern recorded :</string>
               <property name="title">
                <string>Grid and patterns</string>
               </property>
+              <property name="alignment">
+               <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+              </property>
+              <property name="flat">
+               <bool>false</bool>
+              </property>
               <layout class="QVBoxLayout" name="verticalLayout_3">
                <item>
                 <widget class="QLabel" name="gridDimLabel">
                  <property name="sizePolicy">
-                  <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+                  <sizepolicy hsizetype="Minimum" vsizetype="Fixed">
                    <horstretch>0</horstretch>
                    <verstretch>0</verstretch>
                   </sizepolicy>