QGCXYPlot: Clean up layout a bit

src/ui/designer/QGCXYPlot.cc

@@ -159,8 +159,7 @@ QGCXYPlot::QGCXYPlot(QWidget *parent) :
     ui->setupUi(this);
     plot = new QwtPlot();
 
-    QHBoxLayout* layout = new QHBoxLayout(ui->xyPlotFrame);
-    layout->addWidget(plot);
+    ui->xyPlotLayout->addWidget(plot);
 
     connect(ui->editFinishButton, SIGNAL(clicked()), this, SLOT(endEditMode()));
 

src/ui/designer/QGCXYPlot.ui

@@ -14,6 +14,9 @@
    <string>Form</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout_2">
+   <property name="spacing">
+    <number>0</number>
+   </property>
    <property name="leftMargin">
     <number>0</number>
    </property>
@@ -41,6 +44,9 @@
    </item>
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout_5">
+     <property name="spacing">
+      <number>0</number>
+     </property>
      <item>
       <spacer name="horizontalSpacer_2">
        <property name="orientation">
@@ -56,6 +62,9 @@
      </item>
      <item>
       <layout class="QVBoxLayout" name="verticalLayout">
+       <property name="spacing">
+        <number>0</number>
+       </property>
        <item>
         <layout class="QHBoxLayout" name="horizontalLayout">
          <item>
@@ -343,17 +352,14 @@
     </layout>
    </item>
    <item>
-    <widget class="QFrame" name="xyPlotFrame">
-     <property name="sizePolicy">
-      <sizepolicy hsizetype="Preferred" vsizetype="MinimumExpanding">
-       <horstretch>0</horstretch>
-       <verstretch>0</verstretch>
-      </sizepolicy>
-     </property>
-     <property name="lineWidth">
+    <layout class="QHBoxLayout" name="xyPlotLayout">
+     <property name="spacing">
       <number>0</number>
      </property>
-    </widget>
+     <property name="sizeConstraint">
+      <enum>QLayout::SetMinimumSize</enum>
+     </property>
+    </layout>
    </item>
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout_2">
@@ -375,6 +381,12 @@
        <property name="text">
         <string>Done</string>
        </property>
+       <property name="autoDefault">
+        <bool>false</bool>
+       </property>
+       <property name="default">
+        <bool>true</bool>
+       </property>
       </widget>
      </item>
     </layout>