[gnome-control-center] Add missing labels

[Robert Ancell <rancell src gnome org>]

commit f7d0aa7a12cad26ba2de89e3ecbc1d633af68bff
Author: Lukáš Tyrychtr <lukastyrychtr gmail com>
Date:   Wed May 4 11:39:10 2022 +0200

    Add missing labels

 panels/display/cc-display-panel.ui    | 9 +++++++++
 panels/display/cc-display-settings.ui | 3 +++
 panels/display/cc-night-light-page.ui | 9 ++++++++-
 3 files changed, 20 insertions(+), 1 deletion(-)
---
diff --git a/panels/display/cc-display-panel.ui b/panels/display/cc-display-panel.ui
index 437da04d3..63ec8378c 100644
--- a/panels/display/cc-display-panel.ui
+++ b/panels/display/cc-display-panel.ui
@@ -74,6 +74,9 @@
                             <property name="icon-name">go-previous-symbolic</property>
                             <property name="action-name">window.navigate</property>
                             <property name="action-target">0</property> <!-- 0: 
ADW_NAVIGATION_DIRECTION_BACK -->
+                            <accessibility>
+                              <property name="label" translatable="yes">Back</property>
+                            </accessibility>
                           </object>
                         </child>
                         <property name="title-widget">
@@ -215,6 +218,9 @@
                         <child type="start">
                           <object class="GtkButton">
                             <property name="icon-name">go-previous-symbolic</property>
+                            <accessibility>
+                              <property name="label" translatable="yes">Back</property>
+                            </accessibility>
                             <signal name="clicked" handler="on_back_button_clicked_cb" 
object="CcDisplayPanel" swapped="no" />
                           </object>
                         </child>
@@ -251,6 +257,9 @@
                         <child type="start">
                           <object class="GtkButton">
                             <property name="icon-name">go-previous-symbolic</property>
+                            <accessibility>
+                              <property name="label" translatable="yes">Back</property>
+                            </accessibility>
                             <signal name="clicked" handler="on_back_button_clicked_cb" 
object="CcDisplayPanel" swapped="no" />
                           </object>
                         </child>
diff --git a/panels/display/cc-display-settings.ui b/panels/display/cc-display-settings.ui
index 6233629c3..5c18d6229 100644
--- a/panels/display/cc-display-settings.ui
+++ b/panels/display/cc-display-settings.ui
@@ -19,6 +19,9 @@
               <object class="GtkSwitch" id="enabled_switch">
                 <property name="halign">end</property>
                 <property name="valign">center</property>
+                <accessibility>
+                  <property name="label" translatable="yes">Enabled</property>
+                </accessibility>
                 <signal name="notify::active" handler="on_enabled_switch_active_changed_cb" swapped="no"/>
               </object>
             </child>
diff --git a/panels/display/cc-night-light-page.ui b/panels/display/cc-night-light-page.ui
index ba2f0bfbc..3ce3409a7 100644
--- a/panels/display/cc-night-light-page.ui
+++ b/panels/display/cc-night-light-page.ui
@@ -80,6 +80,9 @@
                     <child>
                       <object class="GtkSwitch" id="night_light_toggle_switch">
                         <property name="valign">center</property>
+                        <accessibility>
+                          <property name="label" translatable="yes">Enable</property>
+                        </accessibility>
                       </object>
                     </child>
                   </object>
@@ -87,7 +90,7 @@
 
                 <!-- Schedule -->
                 <child>
-                  <object class="AdwActionRow">
+                  <object class="AdwActionRow" id="schedule_row">
                     <property name="title" translatable="yes">Schedule</property>
                     <property name="sensitive" bind-source="night_light_toggle_switch" 
bind-property="active" bind-flags="default|sync-create" />
 
@@ -99,6 +102,9 @@
                           <item translatable="yes" id="automatic">Sunset to Sunrise</item>
                           <item translatable="yes" id="manual">Manual Schedule</item>
                         </items>
+                        <accessibility>
+                          <relation name="labeled-by">schedule_row</relation>
+                        </accessibility>
                       </object>
                     </child>
                   </object>
@@ -317,6 +323,7 @@
                             <property name="ellipsize">none</property>
                             <property name="lines">0</property>
                             <property name="xalign">0.0</property>
+                            <property name="mnemonic_widget">scale_color_temperature</property>
                             <style>
                               <class name="title"/>
                             </style>