[gtk/async-highlight: 1/4] widget-factory: Add an error label

[Matthias Clasen <matthiasc src gnome org>]

commit cf847ac63c1f7359f034b6409def7109651eb4ea
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Aug 12 13:41:53 2020 -0400

    widget-factory: Add an error label
    
    Add a label with the .error style class in the
    configuration dialog.

 demos/widget-factory/widget-factory.ui | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
---
diff --git a/demos/widget-factory/widget-factory.ui b/demos/widget-factory/widget-factory.ui
index 8e962e4e9f..9fde8052cf 100644
--- a/demos/widget-factory/widget-factory.ui
+++ b/demos/widget-factory/widget-factory.ui
@@ -2812,6 +2812,7 @@ microphone-sensitivity-medium-symbolic</property>
                                 <property name="hexpand">1</property>
                                 <property name="show-emoji-icon">1</property>
                                 <property name="placeholder-text" translatable="yes">Age…</property>
+                                <signal name="notify::text" handler="age_entry_changed"/>
                               </object>
                             </child>
                             <style>
@@ -3022,6 +3023,7 @@ bad things might happen.</property>
                 <layout>
                   <property name="column">1</property>
                   <property name="row">0</property>
+                  <property name="column-span">2</property>
                 </layout>
               </object>
             </child>
@@ -3047,6 +3049,7 @@ bad things might happen.</property>
                 <layout>
                   <property name="column">1</property>
                   <property name="row">1</property>
+                  <property name="column-span">2</property>
                 </layout>
               </object>
             </child>
@@ -3074,6 +3077,7 @@ bad things might happen.</property>
                 <layout>
                   <property name="column">1</property>
                   <property name="row">2</property>
+                  <property name="column-span">2</property>
                 </layout>
               </object>
             </child>
@@ -3103,6 +3107,22 @@ bad things might happen.</property>
                 </layout>
               </object>
             </child>
+            <child>
+              <object class="GtkLabel" id="switch_error">
+                <property name="visible">0</property>
+                <property name="halign">start</property>
+                <property name="valign">baseline</property>
+                <property name="label">Error!</property>
+                <property name="visible" bind-source="mode_switch" bind-property="active"></property>
+                <style>
+                  <class name="error"/>
+                </style>
+                <layout>
+                  <property name="column">2</property>
+                  <property name="row">3</property>
+                </layout>
+              </object>
+            </child>
           </object>
         </child>
       </object>