[gtk/matthiasc/for-master: 4/9] gtk-demo: Use mnemonics in menu buttons

[Matthias Clasen <matthiasc src gnome org>]

commit 163aa82d452b687f015c986ed121c43c82f7cf71
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 27 22:31:18 2020 -0400

    gtk-demo: Use mnemonics in menu buttons
    
    Use GtkMenuButton:use-underline in the modelbutton demo.

 demos/gtk-demo/modelbutton.ui | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/demos/gtk-demo/modelbutton.ui b/demos/gtk-demo/modelbutton.ui
index 8f0528f761..818de71309 100644
--- a/demos/gtk-demo/modelbutton.ui
+++ b/demos/gtk-demo/modelbutton.ui
@@ -18,19 +18,22 @@
         <child>
           <object class="GtkMenuButton">
             <property name="popover">thing_a</property>
-            <property name="label">Color</property>
+            <property name="label">_Color</property>
+            <property name="use-underline">1</property>
           </object>
         </child>
         <child>
           <object class="GtkMenuButton">
             <property name="popover">thing_b</property>
-            <property name="label">Flavors</property>
+            <property name="label">_Flavors</property>
+            <property name="use-underline">1</property>
           </object>
         </child>
         <child>
           <object class="GtkMenuButton">
             <property name="popover">thing_c</property>
-            <property name="label">Tools</property>
+            <property name="label">_Tools</property>
+            <property name="use-underline">1</property>
           </object>
         </child>
       </object>