[gnome-characters/bilelmoussaoui/ui-cleanup: 14/14] window: wrap back button in a reavealer

[Christopher Davis <christopherdavis src gnome org>]

commit 4126a36ba765f6aa8bb2fcdc536a961e330614fd
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Fri Feb 12 03:56:16 2021 +0100

    window: wrap back button in a reavealer
    
    allows us to animate showing/hiding it with a crossfade animation

 data/mainwindow.ui | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)
---
diff --git a/data/mainwindow.ui b/data/mainwindow.ui
index 718471f..8c976b4 100644
--- a/data/mainwindow.ui
+++ b/data/mainwindow.ui
@@ -124,13 +124,20 @@
                 <property name="show-close-button">True</property>
                 <property name="has-subtitle">False</property>
                 <child>
-                  <object class="GtkButton" id="back-button">
-                    <property name="can_focus">True</property>
-                    <property name="visible" bind-source="leaflet" bind-property="folded" 
bind-flags="sync-create" />
+                  <object class="GtkRevealer">
+                    <property name="transition-type">crossfade</property>
+                    <property name="visible">True</property>
+                    <property name="reveal-child" bind-source="leaflet" bind-property="folded" 
bind-flags="sync-create" />
                     <child>
-                      <object class="GtkImage" id="back-button-image">
+                      <object class="GtkButton" id="back-button">
+                        <property name="can_focus">True</property>
                         <property name="visible">True</property>
-                        <property name="icon-name">go-previous-symbolic</property>
+                        <child>
+                          <object class="GtkImage" id="back-button-image">
+                            <property name="visible">True</property>
+                            <property name="icon-name">go-previous-symbolic</property>
+                          </object>
+                        </child>
                       </object>
                     </child>
                   </object>