set mnemonic widgets

Change-Id: Id986d86c58c90db67f5943ace13d9cbe383ceaa0

cui/uiconfig/ui/javastartparametersdialog.ui

@@ -9,6 +9,8 @@
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox1">
         <property name="can_focus">False</property>
+        <property name="hexpand">True</property>
+        <property name="vexpand">True</property>
         <property name="orientation">vertical</property>
         <property name="spacing">12</property>
         <child internal-child="action_area">
@@ -78,6 +80,8 @@
               <object class="GtkGrid" id="grid1">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="hexpand">True</property>
+                <property name="vexpand">True</property>
                 <property name="row_spacing">6</property>
                 <property name="column_spacing">6</property>
                 <child>
@@ -87,6 +91,7 @@
                     <property name="xalign">0</property>
                     <property name="label" translatable="yes">Java start _parameter</property>
                     <property name="use_underline">True</property>
+                    <property name="mnemonic_widget">parameterfield</property>
                   </object>
                   <packing>
                     <property name="left_attach">0</property>
@@ -99,6 +104,7 @@
                   <object class="GtkEntry" id="parameterfield">
                     <property name="visible">True</property>
                     <property name="can_focus">True</property>
+                    <property name="hexpand">True</property>
                     <property name="invisible_char">●</property>
                     <property name="invisible_char_set">True</property>
                   </object>
@@ -116,7 +122,7 @@
                     <property name="xalign">0</property>
                     <property name="label" translatable="yes">Assig_ned start parameters</property>
                     <property name="use_underline">True</property>
-                    <property name="mnemonic_widget">paths:border</property>
+                    <property name="mnemonic_widget">assignlist:border</property>
                   </object>
                   <packing>
                     <property name="left_attach">0</property>
@@ -182,24 +188,13 @@
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkBox" id="box2">
+                  <object class="GtkButton" id="removebtn">
+                    <property name="label" translatable="yes">_Remove</property>
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="orientation">vertical</property>
-                    <child>
-                      <object class="GtkButton" id="removebtn">
-                        <property name="label" translatable="yes">_Remove</property>
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">True</property>
-                        <property name="use_underline">True</property>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="position">0</property>
-                      </packing>
-                    </child>
+                    <property name="can_focus">True</property>
+                    <property name="receives_default">True</property>
+                    <property name="valign">start</property>
+                    <property name="use_underline">True</property>
                   </object>
                   <packing>
                     <property name="left_attach">1</property>
@@ -208,6 +203,15 @@
                     <property name="height">1</property>
                   </packing>
                 </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
               </object>
               <packing>
                 <property name="expand">False</property>