[gnome-control-center] thunderbolt: Use AdwStatusPage for empty state

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 4f2aa07ff5fcafbc7fc600bd604479cf5af316d9
Author: Christopher Davis <christopherdavis gnome org>
Date:   Thu Feb 10 14:01:18 2022 -0800

    thunderbolt: Use AdwStatusPage for empty state
    
    Make use of libadwaita's provided widget for status pages
    instead of rolling our own.

 panels/thunderbolt/cc-bolt-panel.c  | 10 ++---
 panels/thunderbolt/cc-bolt-panel.ui | 75 ++-----------------------------------
 2 files changed, 8 insertions(+), 77 deletions(-)
---
diff --git a/panels/thunderbolt/cc-bolt-panel.c b/panels/thunderbolt/cc-bolt-panel.c
index 67a7b431d..fc9986200 100644
--- a/panels/thunderbolt/cc-bolt-panel.c
+++ b/panels/thunderbolt/cc-bolt-panel.c
@@ -48,8 +48,7 @@ struct _CcBoltPanel
   GtkStack           *container;
 
   /* empty state */
-  GtkLabel           *notb_caption;
-  GtkLabel           *notb_details;
+  AdwStatusPage      *notb_page;
 
   /* notifications */
   GtkLabel           *notification_label;
@@ -170,7 +169,7 @@ bolt_client_ready (GObject      *source,
       text = _("The Thunderbolt subsystem (boltd) is not installed or "
                "not set up properly.");
 
-      gtk_label_set_label (panel->notb_details, text);
+      adw_status_page_set_description (panel->notb_page, text);
       gtk_stack_set_visible_child_name (panel->container, "no-thunderbolt");
 
       return;
@@ -465,7 +464,7 @@ cc_bolt_panel_set_no_thunderbolt (CcBoltPanel *panel,
               "an unsupported security level in the BIOS.");
     }
 
-  gtk_label_set_label (panel->notb_details, msg);
+  adw_status_page_set_description (panel->notb_page, msg);
   gtk_stack_set_visible_child_name (panel->container, "no-thunderbolt");
 }
 
@@ -918,8 +917,7 @@ cc_bolt_panel_class_init (CcBoltPanelClass *klass)
   gtk_widget_class_bind_template_child (widget_class, CcBoltPanel, direct_access_row);
   gtk_widget_class_bind_template_child (widget_class, CcBoltPanel, headerbar_box);
   gtk_widget_class_bind_template_child (widget_class, CcBoltPanel, lock_button);
-  gtk_widget_class_bind_template_child (widget_class, CcBoltPanel, notb_caption);
-  gtk_widget_class_bind_template_child (widget_class, CcBoltPanel, notb_details);
+  gtk_widget_class_bind_template_child (widget_class, CcBoltPanel, notb_page);
   gtk_widget_class_bind_template_child (widget_class, CcBoltPanel, notification_label);
   gtk_widget_class_bind_template_child (widget_class, CcBoltPanel, notification_revealer);
   gtk_widget_class_bind_template_child (widget_class, CcBoltPanel, pending_box);
diff --git a/panels/thunderbolt/cc-bolt-panel.ui b/panels/thunderbolt/cc-bolt-panel.ui
index 5b0993e66..bb4694fa3 100644
--- a/panels/thunderbolt/cc-bolt-panel.ui
+++ b/panels/thunderbolt/cc-bolt-panel.ui
@@ -99,77 +99,10 @@
               <object class="GtkStackPage">
                 <property name="name">no-thunderbolt</property>
                 <property name="child">
-                  <object class="GtkCenterBox">
-                    <property name="hexpand">True</property>
-                    <property name="vexpand">True</property>
-                    <property name="halign">center</property>
-                    <property name="valign">center</property>
-                    <property name="orientation">vertical</property>
-                    <property name="margin-top">18</property>
-                    <property name="margin-bottom">18</property>
-                    <property name="margin-start">18</property>
-                    <property name="margin-end">18</property>
-                    <child type="center" >
-                      <object class="GtkGrid">
-                        <property name="margin_start">12</property>
-                        <property name="margin_end">6</property>
-                        <property name="margin_top">12</property>
-                        <property name="margin_bottom">12</property>
-                        <property name="row_spacing">12</property>
-                        <property name="column_spacing">24</property>
-
-                        <child>
-                          <object class="GtkImage">
-                            <property name="icon_name">thunderbolt-symbolic</property>
-                            <property name="pixel_size">96</property>
-                            <layout>
-                              <property name="column">0</property>
-                              <property name="row">0</property>
-                              <property name="row-span">2</property>
-                            </layout>
-                            <style>
-                              <class name="dim-label" />
-                            </style>
-                          </object>
-                        </child>
-
-                        <child>
-                          <object class="GtkLabel" id="notb_caption">
-                            <property name="wrap">True</property>
-                            <property name="xalign">0</property>
-                            <property name="label" translatable="yes">No Thunderbolt support</property>
-                            <layout>
-                              <property name="column">1</property>
-                              <property name="row">0</property>
-                            </layout>
-                            <attributes>
-                              <attribute name="scale" value="1.2" />
-                            </attributes>
-                            <style>
-                              <class name="dim-label" />
-                            </style>
-                          </object>
-                        </child>
-
-                        <child>
-                          <object class="GtkLabel" id="notb_details">
-                            <property name="hexpand">True</property>
-                            <property name="max-width-chars">40</property>
-                            <property name="use_markup">True</property>
-                            <property name="xalign">0</property>
-                            <property name="yalign">0</property>
-                            <property name="wrap">True</property>
-                            <property name="label" translatable="no">Could not connect to the thunderbolt 
subsystem.</property>
-                            <layout>
-                              <property name="column">1</property>
-                              <property name="row">1</property>
-                            </layout>
-                          </object>
-                        </child>
-
-                      </object>
-                    </child>
-
+                  <object class="AdwStatusPage" id="notb_page">
+                    <property name="title" translatable="yes">No Thunderbolt Support</property>
+                    <property name="description" translatable="yes">Could not connect to the thunderbolt 
subsystem.</property>
+                    <property name="icon-name">thunderbolt-symbolic</property>
                   </object>
                 </property>
               </object>