[gnome-taquin] Rename 'ui.back' as 'ui.escape'.

[Arnaud B. <arnaudb src gnome org>]

commit 29520206ecebdc6da941f00caeb4a48d9657a979
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Jan 16 21:13:55 2019 +0100

    Rename 'ui.back' as 'ui.escape'.
    
    The 'Escape' key is quite regularly used.

 data/game-headerbar.ui | 16 ++++++++--------
 src/game-window.vala   |  4 ++--
 src/taquin-main.vala   |  2 +-
 3 files changed, 11 insertions(+), 11 deletions(-)
---
diff --git a/data/game-headerbar.ui b/data/game-headerbar.ui
index a8d53d7..09975fd 100644
--- a/data/game-headerbar.ui
+++ b/data/game-headerbar.ui
@@ -38,7 +38,7 @@
         <!-- Translators: when configuring a new game, if the user has a started game, tooltip text of the 
Go back button -->
         <property name="tooltip-text" translatable="yes">Go back to the current game</property>
         <property name="use-underline">True</property>
-        <property name="action-name">ui.back</property>
+        <property name="action-name">ui.escape</property>
         <style><class name="image-button"/></style>
         <child>
           <object class="GtkImage">
@@ -49,7 +49,7 @@
         </child>
       </object>
       <packing>
-        <property name="pack_type">start</property>
+        <property name="pack-type">start</property>
         <property name="position">1</property>
       </packing>
     </child>
@@ -72,19 +72,19 @@
     <child>
       <object class="GtkMenuButton" id="info_button">
         <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="receives_default">False</property>
-        <property name="menu_model">window-menu</property>
+        <property name="can-focus">False</property>
+        <property name="receives-default">False</property>
+        <property name="menu-model">window-menu</property>
         <child>
           <object class="GtkImage">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="icon_name">open-menu-symbolic</property>
+            <property name="can-focus">False</property>
+            <property name="icon-name">open-menu-symbolic</property>
           </object>
         </child>
       </object>
       <packing>
-        <property name="pack_type">end</property>
+        <property name="pack-type">end</property>
         <property name="position">2</property>
       </packing>
     </child>
diff --git a/src/game-window.vala b/src/game-window.vala
index e4fcd0b..f1e8a74 100644
--- a/src/game-window.vala
+++ b/src/game-window.vala
@@ -187,7 +187,7 @@ private class GameWindow : ApplicationWindow
     {
         { "new-game", new_game_cb },
         { "start-game", start_game_cb },
-        { "back", back_cb },
+        { "escape", escape_pressed },
 
         { "undo", undo_cb },
         { "redo", redo_cb },
@@ -228,7 +228,7 @@ private class GameWindow : ApplicationWindow
         show_view ();
     }
 
-    private void back_cb (/* SimpleAction action, Variant? variant */)
+    private void escape_pressed (/* SimpleAction action, Variant? variant */)
     {
         if (back_action_disabled)
             return;
diff --git a/src/taquin-main.vala b/src/taquin-main.vala
index 2623f28..dd1c316 100644
--- a/src/taquin-main.vala
+++ b/src/taquin-main.vala
@@ -162,7 +162,7 @@ public class Taquin : Gtk.Application
         set_accels_for_action ("app.quit",              {        "<Primary>q"       });
         set_accels_for_action ("ui.undo",               {        "<Primary>z"       });
         set_accels_for_action ("ui.redo",               { "<Shift><Primary>z"       });
-        set_accels_for_action ("ui.back",               {                 "Escape"  });
+        set_accels_for_action ("ui.escape",             {                 "Escape"  });
         set_accels_for_action ("ui.toggle-hamburger",   {                 "F10"     });
         set_accels_for_action ("app.help",              {                 "F1"      });
         set_accels_for_action ("app.about",             {          "<Shift>F1"      });