[dconf-editor] Improve a notification.

[Arnaud B. <arnaudb src gnome org>]

commit 8c4b6d819eff07e108bf78112bec18e84ce39a69
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Tue Jan 1 18:50:47 2019 +0100

    Improve a notification.

 editor/dconf-window.vala         | 3 ++-
 editor/help-overlay.ui           | 7 +++++++
 editor/notifications-revealer.ui | 9 ++++++++-
 3 files changed, 17 insertions(+), 2 deletions(-)
---
diff --git a/editor/dconf-window.vala b/editor/dconf-window.vala
index 397add6..06b17f0 100644
--- a/editor/dconf-window.vala
+++ b/editor/dconf-window.vala
@@ -365,7 +365,8 @@ private class DConfWindow : BrowserWindow
     {
         if (modifications_handler.has_pending_changes ())
         {
-            show_notification ("There are pending changes. Use <ctrl><shift>q to apply changes and quit.");
+            /* Translators: notification text, after a user Ctrl+Q keyboard action; same way to spell the 
shortcut as in the Settings application */
+            show_notification (_("There are pending changes. Use Shift+Ctrl+Q to apply changes and quit, or 
Alt+F4 to dismiss changes and quit."));
             return false;
         }
         destroy ();
diff --git a/editor/help-overlay.ui b/editor/help-overlay.ui
index 09f7022..38e0733 100644
--- a/editor/help-overlay.ui
+++ b/editor/help-overlay.ui
@@ -262,6 +262,13 @@
                 <property name="accelerator">&lt;Primary&gt;&lt;Shift&gt;q</property>
               </object>
             </child>
+            <child>
+              <object class="GtkShortcutsShortcut"> <!-- TODO doesn't quit if a dialog is opened -->
+                <property name="visible">True</property>
+                <property name="title" translatable="yes" context="shortcut window">Dismiss pending changes 
and quit</property>
+                <property name="accelerator">&lt;Alt&gt;F4</property>
+              </object>
+            </child>
           </object>
         </child>
       </object>
diff --git a/editor/notifications-revealer.ui b/editor/notifications-revealer.ui
index ef70916..085ce7a 100644
--- a/editor/notifications-revealer.ui
+++ b/editor/notifications-revealer.ui
@@ -13,16 +13,23 @@
         <child>
           <object class="GtkGrid">
             <property name="visible">True</property>
-            <property name="column-spacing">20</property>
+            <property name="column-spacing">6</property>
             <child>
               <object class="GtkLabel" id="notification_label">
                 <property name="visible">True</property>
+                <property name="xalign">0</property>
                 <property name="wrap">True</property>
               </object>
             </child>
+            <child>
+              <object class="GtkSeparator">
+                <property name="visible">True</property>
+              </object>
+            </child>
             <child>
               <object class="GtkButton">
                 <property name="visible">True</property>
+                <property name="valign">center</property>
                 <property name="focus-on-click">False</property>
                 <property name="relief">none</property>
                 <property name="action-name">notification.hide</property>