HIG fixes for Document Properties dialog

* Add missing colons to labels that precede controls
* Standardize Help button’s position
* Better label for Add Property button
* Add a frame for the lonely Embed Fonts option

Change-Id: If12708161f2345e66ab3f49fd744bcad00d4ecc6
Reviewed-on: https://gerrit.libreoffice.org/12096Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

sfx2/uiconfig/ui/custominfopage.ui

@@ -11,12 +11,12 @@
     <property name="row_spacing">6</property>
     <child>
       <object class="GtkButton" id="add">
-        <property name="label">gtk-add</property>
+        <property name="label" translatable="yes">Add _Property</property>
         <property name="visible">True</property>
         <property name="can_focus">True</property>
         <property name="receives_default">True</property>
         <property name="halign">end</property>
-        <property name="use_stock">True</property>
+        <property name="use_underline">True</property>
       </object>
       <packing>
         <property name="left_attach">0</property>

sfx2/uiconfig/ui/descriptioninfopage.ui

 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.18.3 -->
 <interface>
-  <!-- interface-requires gtk+ 3.0 -->
+  <requires lib="gtk+" version="3.0"/>
   <object class="GtkGrid" id="DescriptionInfoPage">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -14,15 +15,13 @@
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <property name="xalign">0</property>
-        <property name="label" translatable="yes">_Title</property>
+        <property name="label" translatable="yes">_Title:</property>
         <property name="use_underline">True</property>
         <property name="mnemonic_widget">title</property>
       </object>
       <packing>
         <property name="left_attach">0</property>
         <property name="top_attach">0</property>
-        <property name="width">1</property>
-        <property name="height">1</property>
       </packing>
     </child>
     <child>
@@ -30,15 +29,13 @@
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <property name="xalign">0</property>
-        <property name="label" translatable="yes">_Subject</property>
+        <property name="label" translatable="yes">_Subject:</property>
         <property name="use_underline">True</property>
         <property name="mnemonic_widget">subject</property>
       </object>
       <packing>
         <property name="left_attach">0</property>
         <property name="top_attach">1</property>
-        <property name="width">1</property>
-        <property name="height">1</property>
       </packing>
     </child>
     <child>
@@ -46,15 +43,13 @@
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <property name="xalign">0</property>
-        <property name="label" translatable="yes">_Keywords</property>
+        <property name="label" translatable="yes">_Keywords:</property>
         <property name="use_underline">True</property>
         <property name="mnemonic_widget">keywords</property>
       </object>
       <packing>
         <property name="left_attach">0</property>
         <property name="top_attach">2</property>
-        <property name="width">1</property>
-        <property name="height">1</property>
       </packing>
     </child>
     <child>
@@ -63,15 +58,13 @@
         <property name="can_focus">False</property>
         <property name="valign">start</property>
         <property name="xalign">0</property>
-        <property name="label" translatable="yes">_Comments</property>
+        <property name="label" translatable="yes">_Comments:</property>
         <property name="use_underline">True</property>
         <property name="mnemonic_widget">comments</property>
       </object>
       <packing>
         <property name="left_attach">0</property>
         <property name="top_attach">3</property>
-        <property name="width">1</property>
-        <property name="height">1</property>
       </packing>
     </child>
     <child>
@@ -80,13 +73,10 @@
         <property name="can_focus">True</property>
         <property name="hexpand">True</property>
         <property name="invisible_char">•</property>
-        <property name="invisible_char_set">True</property>
       </object>
       <packing>
         <property name="left_attach">1</property>
         <property name="top_attach">0</property>
-        <property name="width">1</property>
-        <property name="height">1</property>
       </packing>
     </child>
     <child>
@@ -95,13 +85,10 @@
         <property name="can_focus">True</property>
         <property name="hexpand">True</property>
         <property name="invisible_char">•</property>
-        <property name="invisible_char_set">True</property>
       </object>
       <packing>
         <property name="left_attach">1</property>
         <property name="top_attach">1</property>
-        <property name="width">1</property>
-        <property name="height">1</property>
       </packing>
     </child>
     <child>
@@ -110,13 +97,10 @@
         <property name="can_focus">True</property>
         <property name="hexpand">True</property>
         <property name="invisible_char">•</property>
-        <property name="invisible_char_set">True</property>
       </object>
       <packing>
         <property name="left_attach">1</property>
         <property name="top_attach">2</property>
-        <property name="width">1</property>
-        <property name="height">1</property>
       </packing>
     </child>
     <child>
@@ -139,8 +123,6 @@
       <packing>
         <property name="left_attach">1</property>
         <property name="top_attach">3</property>
-        <property name="width">1</property>
-        <property name="height">1</property>
       </packing>
     </child>
   </object>

sfx2/uiconfig/ui/documentfontspage.ui

 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.18.3 -->
 <interface>
-  <!-- interface-requires gtk+ 3.0 -->
+  <requires lib="gtk+" version="3.0"/>
   <object class="GtkGrid" id="DocumentFontsPage">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
     <property name="border_width">6</property>
     <property name="row_spacing">6</property>
     <property name="column_spacing">12</property>
+    <child>
+      <object class="GtkFrame" id="fontEmbeddingFrame">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="label_xalign">0</property>
+        <property name="shadow_type">none</property>
+        <child>
+          <object class="GtkAlignment" id="alignment1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="top_padding">6</property>
+            <property name="left_padding">12</property>
             <child>
               <object class="GtkCheckButton" id="embedFonts">
                 <property name="label" translatable="yes">_Embed fonts in the document</property>
@@ -17,11 +30,23 @@
                 <property name="xalign">0</property>
                 <property name="draw_indicator">True</property>
               </object>
+            </child>
+          </object>
+        </child>
+        <child type="label">
+          <object class="GtkLabel" id="fontEmbeddingLabel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">Font Embedding</property>
+            <attributes>
+              <attribute name="weight" value="bold"/>
+            </attributes>
+          </object>
+        </child>
+      </object>
       <packing>
         <property name="left_attach">0</property>
         <property name="top_attach">0</property>
-        <property name="width">1</property>
-        <property name="height">1</property>
       </packing>
     </child>
   </object>

sfx2/uiconfig/ui/documentpropertiesdialog.ui

 <?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.18.3 -->
 <interface>
-  <!-- interface-requires gtk+ 3.0 -->
+  <requires lib="gtk+" version="3.0"/>
   <object class="GtkDialog" id="DocumentPropertiesDialog">
     <property name="can_focus">False</property>
     <property name="border_width">6</property>
     <property name="title" translatable="yes">Properties of </property>
+    <property name="resizable">False</property>
     <property name="type_hint">dialog</property>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox1">
@@ -57,6 +59,7 @@
                 <property name="expand">False</property>
                 <property name="fill">True</property>
                 <property name="position">2</property>
+                <property name="secondary">True</property>
               </packing>
             </child>
             <child>