[gnome-control-center/gbsneto/gtk4: 1/15] power: Port to GTK4




commit 017dd8fa12aea8b10be6ddf8b2674affb20914a0
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Oct 20 23:07:53 2021 -0300

    power: Port to GTK4
    
    Extra care was needed for the combo boxes, and the way we currently
    use GtkStringList is kind of hacky, but overall things seem to be
    working fine.

 panels/meson.build                        |   2 +-
 panels/power/cc-battery-row.c             |  12 +-
 panels/power/cc-battery-row.ui            |  32 +----
 panels/power/cc-power-panel.c             | 207 +++++++++++++++---------------
 panels/power/cc-power-panel.ui            | 187 ++++++++-------------------
 panels/power/cc-power-profile-info-row.ui |   8 +-
 panels/power/cc-power-profile-row.c       |  18 ++-
 panels/power/cc-power-profile-row.h       |   2 +-
 panels/power/cc-power-profile-row.ui      |  41 +++---
 shell/cc-panel-loader.c                   |   4 +-
 10 files changed, 206 insertions(+), 307 deletions(-)
---
diff --git a/panels/meson.build b/panels/meson.build
index a08f9a338..4d3ef476a 100644
--- a/panels/meson.build
+++ b/panels/meson.build
@@ -18,7 +18,7 @@ panels = [
 #  'multitasking',
   'notifications',
 #  'online-accounts',
-#  'power',
+  'power',
 #  'printers',
 #  'region',
   'removable-media',
diff --git a/panels/power/cc-battery-row.c b/panels/power/cc-battery-row.c
index f6faca0c1..fe806224d 100644
--- a/panels/power/cc-battery-row.c
+++ b/panels/power/cc-battery-row.c
@@ -276,7 +276,7 @@ cc_battery_row_new (UpDevice *device,
   /* Icon */
   if (is_kind_battery && icon_name != NULL && icon_name[0] != '\0')
     {
-      gtk_image_set_from_icon_name (self->icon, icon_name, GTK_ICON_SIZE_BUTTON);
+      gtk_image_set_from_icon_name (self->icon, icon_name);
       gtk_widget_show (GTK_WIDGET (self->icon));
     }
   else
@@ -301,10 +301,12 @@ cc_battery_row_new (UpDevice *device,
   gtk_widget_set_visible (GTK_WIDGET (self->battery_box), !primary);
   gtk_widget_set_visible (GTK_WIDGET (self->percentage_label), !primary);
   gtk_widget_set_visible (GTK_WIDGET (self->primary_bottom_box), primary);
-  atk_object_add_relationship (gtk_widget_get_accessible (GTK_WIDGET (self->levelbar)),
-                               ATK_RELATION_LABELLED_BY,
-                               gtk_widget_get_accessible (GTK_WIDGET (primary ? 
self->primary_percentage_label
-                                                                              : self->percentage_label)));
+  /*
+  gtk_accessible_update_relation (GTK_ACCESSIBLE (self->levelbar),
+                                  GTK_ACCESSIBLE_RELATION_LABELLED_BY, primary ? 
self->primary_percentage_label
+                                                                               : self->percentage_label,
+                                  NULL);
+   */
 
   self->kind = kind;
   self->primary = primary;
diff --git a/panels/power/cc-battery-row.ui b/panels/power/cc-battery-row.ui
index dec97a9fe..a99d80f18 100644
--- a/panels/power/cc-battery-row.ui
+++ b/panels/power/cc-battery-row.ui
@@ -2,12 +2,10 @@
 <interface>
   <!-- interface-requires gtk+ 3.0 -->
   <template class="CcBatteryRow" parent="GtkListBoxRow">
-    <property name="visible">True</property>
     <property name="selectable">False</property>
     <property name="activatable">False</property>
     <child>
       <object class="GtkBox">
-        <property name="visible">True</property>
         <property name="orientation">vertical</property>
         <property name="valign">center</property>
         <property name="margin-start">12</property>
@@ -17,48 +15,39 @@
         <property name="spacing">10</property>
         <child>
           <object class="GtkBox">
-            <property name="visible">True</property>
             <property name="orientation">horizontal</property>
             <property name="spacing">12</property>
             <child>
               <object class="GtkBox" id="battery_box">
-                <property name="visible">True</property>
                 <property name="orientation">horizontal</property>
                 <property name="spacing">12</property>
                 <child>
                   <object class="GtkLabel" id="name_label">
-                    <property name="visible">True</property>
                     <property name="ellipsize">end</property>
                     <property name="xalign">0</property>
                   </object>
                 </child>
                 <child>
                   <object class="GtkImage" id="icon">
-                    <property name="visible">True</property>
                     <property name="halign">end</property>
                     <property name="valign">center</property>
                     <style>
                       <class name="dim-label"/>
                     </style>
                   </object>
-                  <packing>
-                    <property name="pack-type">end</property>
-                  </packing>
                 </child>
               </object>
             </child>
             <child>
               <object class="GtkLabel" id="percentage_label">
-                <property name="visible">True</property>
-                    <property name="halign">end</property>
-                    <style>
-                      <class name="dim-label"/>
-                    </style>
+                <property name="halign">end</property>
+                <style>
+                  <class name="dim-label"/>
+                </style>
               </object>
             </child>
             <child>
               <object class="GtkLevelBar" id="levelbar">
-                <property name="visible">True</property>
                 <property name="hexpand">True</property>
                 <property name="halign">fill</property>
                 <property name="valign">center</property>
@@ -68,30 +57,21 @@
                   <offset name="high-battery-offset" value="1.0"/>
                 </offsets>
               </object>
-              <packing>
-                <property name="expand">True</property>
-              </packing>
             </child>
           </object>
         </child>
         <child>
           <object class="GtkBox" id="primary_bottom_box">
-            <property name="visible">True</property>
             <property name="orientation">horizontal</property>
             <child>
               <object class="GtkLabel" id="details_label">
-                <property name="visible">True</property>
+                <property name="hexpand">True</property>
                 <property name="ellipsize">end</property>
                 <property name="xalign">0</property>
               </object>
             </child>
             <child>
-              <object class="GtkLabel" id="primary_percentage_label">
-                <property name="visible">True</property>
-              </object>
-              <packing>
-                <property name="pack-type">end</property>
-              </packing>
+              <object class="GtkLabel" id="primary_percentage_label" />
             </child>
           </object>
         </child>
diff --git a/panels/power/cc-power-panel.c b/panels/power/cc-power-panel.c
index 15e69e3d9..c8f6814a0 100644
--- a/panels/power/cc-power-panel.c
+++ b/panels/power/cc-power-panel.c
@@ -25,10 +25,8 @@
 #include <glib/gi18n.h>
 #include <gnome-settings-daemon/gsd-enums.h>
 #include <gio/gdesktopappinfo.h>
-#include <handy.h>
 
 #include "shell/cc-object-storage.h"
-#include "list-box-helper.h"
 #include "cc-battery-row.h"
 #include "cc-power-profile-row.h"
 #include "cc-power-profile-info-row.h"
@@ -64,22 +62,22 @@ struct _CcPowerPanel
   GtkLabel          *automatic_suspend_label;
   GtkListBoxRow     *automatic_suspend_row;
   GtkListBox        *battery_listbox;
-  HdyActionRow      *battery_percentage_row;
+  AdwActionRow      *battery_percentage_row;
   GtkSwitch         *battery_percentage_switch;
   GtkSizeGroup      *battery_row_sizegroup;
-  HdyPreferencesGroup *battery_section;
-  HdyComboRow       *blank_screen_row;
+  AdwPreferencesGroup *battery_section;
+  AdwComboRow       *blank_screen_row;
   GtkListBox        *device_listbox;
-  HdyPreferencesGroup *device_section;
+  AdwPreferencesGroup *device_section;
   GtkListBoxRow     *dim_screen_row;
   GtkSwitch         *dim_screen_switch;
-  HdyPreferencesGroup *general_section;
+  AdwPreferencesGroup *general_section;
   GtkSizeGroup      *level_sizegroup;
-  HdyComboRow       *power_button_row;
+  AdwComboRow       *power_button_row;
   GtkListBox        *power_profile_listbox;
   GtkListBox        *power_profile_info_listbox;
-  HdyPreferencesGroup *power_profile_section;
-  HdyActionRow      *power_saver_low_battery_row;
+  AdwPreferencesGroup *power_profile_section;
+  AdwActionRow      *power_saver_low_battery_row;
   GtkSwitch         *power_saver_low_battery_switch;
   GtkSizeGroup      *row_sizegroup;
   GtkComboBox       *suspend_on_battery_delay_combo;
@@ -117,27 +115,6 @@ enum
   ACTION_MODEL_VALUE
 };
 
-static void
-cc_power_panel_dispose (GObject *object)
-{
-  CcPowerPanel *self = CC_POWER_PANEL (object);
-
-  g_clear_pointer (&self->chassis_type, g_free);
-  g_clear_object (&self->gsd_settings);
-  g_clear_object (&self->session_settings);
-  g_clear_object (&self->interface_settings);
-  g_clear_pointer ((GtkWidget **) &self->automatic_suspend_dialog, gtk_widget_destroy);
-  g_clear_pointer (&self->devices, g_ptr_array_unref);
-  g_clear_object (&self->up_client);
-  g_clear_object (&self->iio_proxy);
-  g_clear_object (&self->power_profiles_proxy);
-  if (self->iio_proxy_watch_id != 0)
-    g_bus_unwatch_name (self->iio_proxy_watch_id);
-  self->iio_proxy_watch_id = 0;
-
-  G_OBJECT_CLASS (cc_power_panel_parent_class)->dispose (object);
-}
-
 static const char *
 cc_power_panel_get_help_uri (CcPanel *panel)
 {
@@ -195,9 +172,9 @@ load_custom_css (CcPowerPanel *self,
   /* use custom CSS */
   provider = gtk_css_provider_new ();
   gtk_css_provider_load_from_resource (provider, path);
-  gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
-                                             GTK_STYLE_PROVIDER (provider),
-                                             GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+  gtk_style_context_add_provider_for_display (gdk_display_get_default (),
+                                              GTK_STYLE_PROVIDER (provider),
+                                              GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
 }
 
 static void
@@ -207,7 +184,7 @@ add_battery (CcPowerPanel *panel, UpDevice *device, gboolean primary)
   cc_battery_row_set_level_sizegroup (row, panel->level_sizegroup);
   cc_battery_row_set_row_sizegroup (row, panel->battery_row_sizegroup);
 
-  gtk_container_add (GTK_CONTAINER (panel->battery_listbox), GTK_WIDGET (row));
+  gtk_list_box_append (panel->battery_listbox, GTK_WIDGET (row));
   gtk_widget_set_visible (GTK_WIDGET (panel->battery_section), TRUE);
 }
 
@@ -218,19 +195,17 @@ add_device (CcPowerPanel *self, UpDevice *device)
   cc_battery_row_set_level_sizegroup (row, self->level_sizegroup);
   cc_battery_row_set_row_sizegroup (row, self->row_sizegroup);
 
-  gtk_container_add (GTK_CONTAINER (self->device_listbox), GTK_WIDGET (row));
+  gtk_list_box_append (self->device_listbox, GTK_WIDGET (row));
   gtk_widget_set_visible (GTK_WIDGET (self->device_section), TRUE);
 }
 
 static void
 empty_listbox (GtkListBox *listbox)
 {
-  g_autoptr(GList) children = NULL;
-  GList *l;
+  GtkWidget *child;
 
-  children = gtk_container_get_children (GTK_CONTAINER (listbox));
-  for (l = children; l != NULL; l = l->next)
-    gtk_container_remove (GTK_CONTAINER (listbox), l->data);
+  while ((child = gtk_widget_get_first_child (GTK_WIDGET (listbox))) != NULL)
+    gtk_list_box_remove (listbox, child);
 }
 
 static void
@@ -379,9 +354,9 @@ up_client_changed (CcPowerPanel *self)
     }
 
   if (n_batteries > 1)
-    hdy_preferences_group_set_title (self->battery_section, _("Batteries"));
+    adw_preferences_group_set_title (self->battery_section, _("Batteries"));
   else
-    hdy_preferences_group_set_title (self->battery_section, _("Battery"));
+    adw_preferences_group_set_title (self->battery_section, _("Battery"));
 
   if (!on_ups && n_batteries > 1)
     add_battery (self, composite, TRUE);
@@ -556,25 +531,25 @@ set_value_for_combo (GtkComboBox *combo_box, gint value)
 }
 
 static void
-set_value_for_combo_row (HdyComboRow *combo_row, gint value)
+set_value_for_combo_row (AdwComboRow *combo_row, gint value)
 {
+  g_autoptr (GObject) new_item = NULL;
   gboolean insert = FALSE;
   guint insert_before = 0;
   guint i;
-  HdyValueObject *new;
   GListModel *model;
   gint value_last = 0;
   g_autofree gchar *text = NULL;
 
   /* try to make the UI match the setting */
-  model = hdy_combo_row_get_model (combo_row);
+  model = adw_combo_row_get_model (combo_row);
   for (i = 0; i < g_list_model_get_n_items (model); i++)
     {
-      HdyValueObject *value_object = g_list_model_get_item (model, i);
-      gint value_tmp = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (value_object), "value"));
+      g_autoptr (GObject) item = g_list_model_get_item (model, i);
+      gint value_tmp = GPOINTER_TO_UINT (g_object_get_data (item, "value"));
       if (value_tmp == value)
         {
-          hdy_combo_row_set_selected_index (combo_row, i);
+          adw_combo_row_set_selected (combo_row, i);
           return;
         }
 
@@ -591,11 +566,12 @@ set_value_for_combo_row (HdyComboRow *combo_row, gint value)
 
   /* The value is not listed, so add it at the best point (or the end). */
   text = cc_util_time_to_string_text (value * 1000);
-  new = hdy_value_object_new_string (text);
-  g_object_set_data (G_OBJECT (new), "value",
-                     GUINT_TO_POINTER (value));
-  g_list_store_insert (G_LIST_STORE (model), insert_before, new);
-  hdy_combo_row_set_selected_index (combo_row, insert_before);
+  gtk_string_list_append (GTK_STRING_LIST (model), text);
+
+  new_item = g_list_model_get_item (model, i);
+  g_object_set_data (G_OBJECT (new_item), "value", GUINT_TO_POINTER (value));
+
+  adw_combo_row_set_selected (combo_row, insert_before);
 }
 
 static void
@@ -659,15 +635,18 @@ keynav_failed_cb (CcPowerPanel *self, GtkDirectionType direction, GtkWidget *lis
 static void
 blank_screen_row_changed_cb (CcPowerPanel *self)
 {
+  g_autoptr (GObject) item = NULL;
   GListModel *model;
   gint selected_index;
-  HdyValueObject *value_object;
   gint value;
 
-  model = hdy_combo_row_get_model (self->blank_screen_row);
-  selected_index = hdy_combo_row_get_selected_index (self->blank_screen_row);
-  value_object = g_list_model_get_item (model, selected_index);
-  value = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (value_object), "value"));
+  model = adw_combo_row_get_model (self->blank_screen_row);
+  selected_index = adw_combo_row_get_selected (self->blank_screen_row);
+  if (selected_index == -1)
+    return;
+
+  item = g_list_model_get_item (model, selected_index);
+  value = GPOINTER_TO_UINT (g_object_get_data (item, "value"));
 
   g_settings_set_uint (self->session_settings, "idle-delay", value);
 }
@@ -675,15 +654,18 @@ blank_screen_row_changed_cb (CcPowerPanel *self)
 static void
 power_button_row_changed_cb (CcPowerPanel *self)
 {
+  g_autoptr (GObject) item = NULL;
   GListModel *model;
   gint selected_index;
-  HdyValueObject *value_object;
   gint value;
 
-  model = hdy_combo_row_get_model (self->power_button_row);
-  selected_index = hdy_combo_row_get_selected_index (self->power_button_row);
-  value_object = g_list_model_get_item (model, selected_index);
-  value = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (value_object), "value"));
+  model = adw_combo_row_get_model (self->power_button_row);
+  selected_index = adw_combo_row_get_selected (self->power_button_row);
+  if (selected_index == -1)
+    return;
+
+  item = g_list_model_get_item (model, selected_index);
+  value = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (item), "value"));
 
   g_settings_set_enum (self->gsd_settings, "power-button-action", value);
 }
@@ -737,8 +719,10 @@ static void
 automatic_suspend_row_activated_cb (CcPowerPanel *self)
 {
   GtkWidget *toplevel;
+  CcShell *shell;
 
-  toplevel = gtk_widget_get_toplevel (GTK_WIDGET (self));
+  shell = cc_panel_get_shell (CC_PANEL (self));
+  toplevel = cc_shell_get_toplevel (shell);
   gtk_window_set_transient_for (GTK_WINDOW (self->automatic_suspend_dialog), GTK_WINDOW (toplevel));
   gtk_window_set_modal (GTK_WINDOW (self->automatic_suspend_dialog), TRUE);
   gtk_window_present (GTK_WINDOW (self->automatic_suspend_dialog));
@@ -784,11 +768,11 @@ set_sleep_type (const GValue       *value,
 }
 
 static void
-populate_power_button_row (HdyComboRow *combo_row,
+populate_power_button_row (AdwComboRow *combo_row,
                            gboolean     can_suspend,
                            gboolean     can_hibernate)
 {
-  g_autoptr (GListStore) list_store = NULL;
+  g_autoptr (GtkStringList) string_list = NULL;
   struct {
     char *name;
     GsdPowerButtonActionType value;
@@ -798,12 +782,13 @@ populate_power_button_row (HdyComboRow *combo_row,
     { N_("Hibernate"), GSD_POWER_BUTTON_ACTION_HIBERNATE },
     { N_("Nothing"), GSD_POWER_BUTTON_ACTION_NOTHING }
   };
+  guint item_index = 0;
   guint i;
 
-  list_store = g_list_store_new (HDY_TYPE_VALUE_OBJECT);
+  string_list = gtk_string_list_new (NULL);
   for (i = 0; i < G_N_ELEMENTS (actions); i++)
     {
-      g_autoptr (HdyValueObject) value_object = NULL;
+      g_autoptr (GObject) item = NULL;
 
       if (!can_suspend && actions[i].value == GSD_POWER_BUTTON_ACTION_SUSPEND)
         continue;
@@ -811,17 +796,13 @@ populate_power_button_row (HdyComboRow *combo_row,
       if (!can_hibernate && actions[i].value == GSD_POWER_BUTTON_ACTION_HIBERNATE)
         continue;
 
-      value_object = hdy_value_object_new_string (_(actions[i].name));
-      g_object_set_data (G_OBJECT (value_object),
-                         "value",
-                         GUINT_TO_POINTER (actions[i].value));
-      g_list_store_append (list_store, value_object);
+      gtk_string_list_append (string_list, _(actions[i].name));
+
+      item = g_list_model_get_item (G_LIST_MODEL (string_list), item_index++);
+      g_object_set_data (item, "value", GUINT_TO_POINTER (actions[i].value));
     }
 
-  hdy_combo_row_bind_name_model (combo_row,
-                                 G_LIST_MODEL (list_store),
-                                 (HdyComboRowGetNameFunc) hdy_value_object_dup_string,
-                                 NULL, NULL);
+  adw_combo_row_set_model (combo_row, G_LIST_MODEL (string_list));
 }
 
 #define NEVER 0
@@ -957,34 +938,32 @@ got_brightness_cb (GObject      *source_object,
 }
 
 static void
-populate_blank_screen_row (HdyComboRow *combo_row)
+populate_blank_screen_row (AdwComboRow *combo_row)
 {
-  g_autoptr (GListStore) list_store = g_list_store_new (HDY_TYPE_VALUE_OBJECT);
+  g_autoptr (GtkStringList) string_list = NULL;
+  g_autoptr (GObject) never_object = NULL;
   gint minutes[] = { 1, 2, 3, 4, 5, 8, 10, 12, 15 };
   guint i;
-  g_autoptr (HdyValueObject) never_value_object = NULL;
 
+  string_list = gtk_string_list_new (NULL);
   for (i = 0; i < G_N_ELEMENTS (minutes); i++)
     {
+      g_autoptr (GObject) item = NULL;
       gchar *text = NULL;
-      g_autoptr (HdyValueObject) value_object = NULL;
 
       /* Translators: Option for "Blank Screen" in "Power" panel */
       text = g_strdup_printf (g_dngettext (GETTEXT_PACKAGE, "%d minute", "%d minutes", minutes[i]), 
minutes[i]);
-      value_object = hdy_value_object_new_take_string (text);
+      gtk_string_list_append (string_list, text);
 
-      g_object_set_data (G_OBJECT (value_object), "value", GUINT_TO_POINTER (minutes[i] * 60));
-      g_list_store_append (list_store, value_object);
+      item = g_list_model_get_item (G_LIST_MODEL (string_list), i);
+      g_object_set_data (item, "value", GUINT_TO_POINTER (minutes[i] * 60));
     }
 
-  never_value_object = hdy_value_object_new_string (C_("Idle time", "Never"));
-  g_object_set_data (G_OBJECT (never_value_object), "value", GUINT_TO_POINTER (0));
-  g_list_store_append (list_store, never_value_object);
+  gtk_string_list_append (string_list, C_("Idle time", "Never"));
+  never_object = g_list_model_get_item (G_LIST_MODEL (string_list), i);
+  g_object_set_data (never_object, "value", GUINT_TO_POINTER (0));
 
-  hdy_combo_row_bind_name_model (combo_row,
-                                 G_LIST_MODEL (list_store),
-                                 (HdyComboRowGetNameFunc) hdy_value_object_dup_string,
-                                 NULL, NULL);
+  adw_combo_row_set_model (combo_row, G_LIST_MODEL (string_list));
 }
 
 static void
@@ -1063,9 +1042,10 @@ setup_power_saving (CcPowerPanel *self)
   if (can_suspend_or_hibernate (self, "CanSuspend"))
     {
       gtk_widget_show (GTK_WIDGET (self->automatic_suspend_row));
-      atk_object_set_name (ATK_OBJECT (gtk_widget_get_accessible (GTK_WIDGET 
(self->automatic_suspend_row))), _("Automatic suspend"));
+      gtk_accessible_update_property (GTK_ACCESSIBLE (self->automatic_suspend_row),
+                                      GTK_ACCESSIBLE_PROPERTY_LABEL, _("Automatic suspend"),
+                                      -1);
 
-      g_signal_connect (self->automatic_suspend_dialog, "delete-event", G_CALLBACK 
(gtk_widget_hide_on_delete), NULL);
       g_signal_connect_object (self->gsd_settings, "changed", G_CALLBACK (on_suspend_settings_changed), 
self, G_CONNECT_SWAPPED);
 
       g_settings_bind_with_mapping (self->gsd_settings, "sleep-inactive-battery-type",
@@ -1116,11 +1096,11 @@ performance_profile_set_active (CcPowerPanel  *self,
                                 const char    *profile_str)
 {
   CcPowerProfile profile = cc_power_profile_from_str (profile_str);
-  GtkRadioButton *button;
+  GtkCheckButton *button;
 
   button = cc_power_profile_row_get_radio_button (CC_POWER_PROFILE_ROW (self->power_profiles_row[profile]));
   g_assert (button);
-  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
+  gtk_check_button_set_active (GTK_CHECK_BUTTON (button), TRUE);
 }
 
 static void
@@ -1175,8 +1155,7 @@ power_profile_update_info_boxes (CcPowerPanel *self)
         text = _("Performance mode temporarily disabled.");
 
       row = cc_power_profile_info_row_new (text);
-      gtk_widget_show (GTK_WIDGET (row));
-      gtk_container_add (GTK_CONTAINER (self->power_profile_info_listbox), GTK_WIDGET (row));
+      gtk_list_box_append (self->power_profile_info_listbox, GTK_WIDGET (row));
       if (g_str_equal (profile, "performance"))
         next_insert = 1;
     }
@@ -1380,7 +1359,7 @@ setup_power_profiles (CcPowerPanel *self)
   const char *performance_degraded;
   const char *active_profile;
   g_autoptr(GVariant) profiles = NULL;
-  GtkRadioButton *last_button;
+  GtkCheckButton *last_button;
 
   self->power_profiles_proxy = cc_object_storage_create_dbus_proxy_sync (G_BUS_TYPE_SYSTEM,
                                                                          G_DBUS_PROXY_FLAGS_NONE,
@@ -1443,7 +1422,7 @@ setup_power_profiles (CcPowerPanel *self)
     {
       g_autoptr(GVariant) profile_variant;
       const char *name;
-      GtkRadioButton *button;
+      GtkCheckButton *button;
       CcPowerProfile profile;
       CcPowerProfileRow *row;
 
@@ -1466,12 +1445,12 @@ setup_power_profiles (CcPowerPanel *self)
                                0);
       self->power_profiles_row[profile] = row;
       gtk_widget_show (GTK_WIDGET (row));
-      gtk_container_add (GTK_CONTAINER (self->power_profile_listbox), GTK_WIDGET (row));
+      gtk_list_box_append (self->power_profile_listbox, GTK_WIDGET (row));
       gtk_size_group_add_widget (self->row_sizegroup, GTK_WIDGET (row));
 
       /* Connect radio button to group */
       button = cc_power_profile_row_get_radio_button (row);
-      gtk_radio_button_join_group (button, last_button);
+      gtk_check_button_set_group (button, last_button);
       last_button = button;
     }
 
@@ -1556,6 +1535,30 @@ battery_sort_func (GtkListBoxRow *a, GtkListBoxRow *b, gpointer data)
   return a_kind - b_kind;
 }
 
+static void
+cc_power_panel_dispose (GObject *object)
+{
+  CcPowerPanel *self = CC_POWER_PANEL (object);
+
+  g_signal_handlers_disconnect_by_func (self->blank_screen_row, blank_screen_row_changed_cb, self);
+  g_signal_handlers_disconnect_by_func (self->power_button_row, power_button_row_changed_cb, self);
+
+  g_clear_pointer (&self->chassis_type, g_free);
+  g_clear_object (&self->gsd_settings);
+  g_clear_object (&self->session_settings);
+  g_clear_object (&self->interface_settings);
+  g_clear_pointer ((GtkWindow **) &self->automatic_suspend_dialog, gtk_window_destroy);
+  g_clear_pointer (&self->devices, g_ptr_array_unref);
+  g_clear_object (&self->up_client);
+  g_clear_object (&self->iio_proxy);
+  g_clear_object (&self->power_profiles_proxy);
+  if (self->iio_proxy_watch_id != 0)
+    g_bus_unwatch_name (self->iio_proxy_watch_id);
+  self->iio_proxy_watch_id = 0;
+
+  G_OBJECT_CLASS (cc_power_panel_parent_class)->dispose (object);
+}
+
 static void
 cc_power_panel_class_init (CcPowerPanelClass *klass)
 {
diff --git a/panels/power/cc-power-panel.ui b/panels/power/cc-power-panel.ui
index 9880f6b7e..cb81889ae 100644
--- a/panels/power/cc-power-panel.ui
+++ b/panels/power/cc-power-panel.ui
@@ -52,25 +52,17 @@
     </data>
   </object>
   <template class="CcPowerPanel" parent="CcPanel">
-    <property name="visible">True</property>
-    <property name="can_focus">False</property>
     <child>
-      <object class="HdyPreferencesPage">
-        <property name="visible">True</property>
+      <object class="AdwPreferencesPage">
         <child>
-          <object class="HdyPreferencesGroup" id="battery_section">
-            <property name="visible">True</property>
+          <object class="AdwPreferencesGroup" id="battery_section">
             <property name="title" translatable="yes">Battery</property>
-            <accessibility>
-              <relation target="battery_listbox" type="label-for"/>
-            </accessibility>
             <child>
               <object class="GtkListBox" id="battery_listbox">
-                <property name="visible">True</property>
                 <property name="selection-mode">none</property>
                 <signal name="keynav-failed" handler="keynav_failed_cb" object="CcPowerPanel" swapped="yes"/>
                 <accessibility>
-                  <relation target="battery_section" type="labelled-by"/>
+                  <relation name="labelled-by">battery_section</relation>
                 </accessibility>
                 <style>
                   <class name="content"/>
@@ -80,19 +72,14 @@
           </object>
         </child>
         <child>
-          <object class="HdyPreferencesGroup" id="device_section">
-            <property name="visible">True</property>
+          <object class="AdwPreferencesGroup" id="device_section">
             <property name="title" translatable="yes">Devices</property>
-            <accessibility>
-              <relation target="device_listbox" type="label-for"/>
-            </accessibility>
             <child>
               <object class="GtkListBox" id="device_listbox">
-                <property name="visible">True</property>
                 <property name="selection-mode">none</property>
                 <signal name="keynav-failed" handler="keynav_failed_cb" object="CcPowerPanel" swapped="yes"/>
                 <accessibility>
-                  <relation target="device_section" type="labelled-by"/>
+                  <relation name="labelled-by">device_section</relation>
                 </accessibility>
                 <style>
                   <class name="content"/>
@@ -102,21 +89,17 @@
           </object>
         </child>
         <child>
-          <object class="HdyPreferencesGroup" id="power_profile_section">
+          <object class="AdwPreferencesGroup" id="power_profile_section">
             <property name="visible">False</property>
             <property name="title" translatable="yes">Power Mode</property>
             <property name="description" translatable="yes">Affects system performance and power 
usage.</property>
-            <accessibility>
-              <relation target="power_profile_listbox" type="label-for"/>
-            </accessibility>
             <child>
               <object class="GtkListBox" id="power_profile_listbox">
-                <property name="visible">True</property>
                 <property name="selection-mode">none</property>
                 <signal name="keynav-failed" handler="keynav_failed_cb" object="CcPowerPanel" swapped="yes"/>
                 <signal name="row-activated" handler="power_profiles_row_activated_cb" object="CcPowerPanel" 
swapped="yes"/>
                 <accessibility>
-                  <relation target="power_profile_section" type="labelled-by"/>
+                  <relation name="labelled-by">power_profile_section</relation>
                 </accessibility>
                 <style>
                   <class name="content"/>
@@ -137,17 +120,14 @@
           </object>
         </child>
         <child>
-          <object class="HdyPreferencesGroup" id="power_saving_section">
-            <property name="visible">True</property>
+          <object class="AdwPreferencesGroup" id="power_saving_section">
             <property name="title" translatable="yes">Power Saving Options</property>
             <child>
-              <object class="HdyActionRow" id="als_row">
-                <property name="visible">True</property>
+              <object class="AdwActionRow" id="als_row">
                 <property name="title" translatable="yes">Automatic Screen Brightness</property>
                 <property name="subtitle" translatable="yes">Screen brightness adjusts to the surrounding 
light.</property>
                 <child>
                   <object class="GtkSwitch" id="als_switch">
-                    <property name="visible">True</property>
                     <property name="valign">center</property>
                     <signal name="notify::active" handler="als_switch_changed_cb" object="CcPowerPanel" 
swapped="yes"/>
                   </object>
@@ -155,22 +135,19 @@
               </object>
             </child>
             <child>
-              <object class="HdyActionRow" id="dim_screen_row">
-                <property name="visible">True</property>
+              <object class="AdwActionRow" id="dim_screen_row">
                 <property name="title" translatable="yes">Dim Screen</property>
                 <property name="subtitle" translatable="yes">Reduces the screen brightness when the computer 
is inactive.</property>
                 <property name="activatable_widget">dim_screen_switch</property>
                 <child>
                   <object class="GtkSwitch" id="dim_screen_switch">
-                    <property name="visible">True</property>
                     <property name="valign">center</property>
                   </object>
                 </child>
               </object>
             </child>
             <child>
-              <object class="HdyComboRow" id="blank_screen_row">
-                <property name="visible">True</property>
+              <object class="AdwComboRow" id="blank_screen_row">
                 <property name="title" translatable="yes">Screen _Blank</property>
                 <property name="subtitle" translatable="yes">Turns the screen off after a period of 
inactivity.</property>
                 <property name="use_underline">True</property>
@@ -178,7 +155,7 @@
               </object>
             </child>
             <child>
-              <object class="HdyActionRow" id="power_saver_low_battery_row">
+              <object class="AdwActionRow" id="power_saver_low_battery_row">
                 <property name="visible">False</property>
                 <property name="title" translatable="yes">Automatic Power Saver</property>
                 <property name="subtitle" translatable="yes">Enables power saver mode when battery is 
low.</property>
@@ -186,14 +163,13 @@
                 <property name="activatable_widget">power_saver_low_battery_switch</property>
                 <child>
                   <object class="GtkSwitch" id="power_saver_low_battery_switch">
-                    <property name="visible">True</property>
                     <property name="valign">center</property>
                   </object>
                 </child>
               </object>
             </child>
             <child>
-              <object class="HdyActionRow" id="automatic_suspend_row">
+              <object class="AdwActionRow" id="automatic_suspend_row">
                 <property name="visible">False</property>
                 <property name="title" translatable="yes">_Automatic Suspend</property>
                 <property name="subtitle" translatable="yes">Pauses the computer after a period of 
inactivity.</property>
@@ -202,7 +178,6 @@
                 <signal name="activated" handler="automatic_suspend_row_activated_cb" swapped="yes"/>
                 <child>
                   <object class="GtkLabel" id="automatic_suspend_label">
-                    <property name="visible">True</property>
                     <property name="halign">end</property>
                     <signal name="mnemonic-activate" handler="automatic_suspend_label_mnemonic_activate_cb" 
object="CcPowerPanel" swapped="yes"/>
                   </object>
@@ -212,11 +187,9 @@
           </object>
         </child>
         <child>
-          <object class="HdyPreferencesGroup" id="general_section">
-            <property name="visible">True</property>
-            <property name="title" translatable="yes">Suspend &amp; Power Button</property>
+          <object class="AdwPreferencesGroup" id="general_section">
             <child>
-              <object class="HdyComboRow" id="power_button_row">
+              <object class="AdwComboRow" id="power_button_row">
                 <property name="visible">False</property>
                 <property name="title" translatable="yes">Po_wer Button Behavior</property>
                 <property name="use_underline">True</property>
@@ -224,14 +197,13 @@
               </object>
             </child>
             <child>
-              <object class="HdyActionRow" id="battery_percentage_row">
+              <object class="AdwActionRow" id="battery_percentage_row">
                 <property name="visible">False</property>
                 <property name="title" translatable="yes">Show Battery _Percentage</property>
                 <property name="use_underline">True</property>
                 <property name="activatable_widget">battery_percentage_switch</property>
                 <child>
                   <object class="GtkSwitch" id="battery_percentage_switch">
-                    <property name="visible">True</property>
                     <property name="valign">center</property>
                   </object>
                 </child>
@@ -263,21 +235,19 @@
   </object>
 
   <object class="GtkDialog" id="automatic_suspend_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">5</property>
     <property name="title" translatable="yes">Automatic Suspend</property>
-    <property name="type_hint">dialog</property>
     <property name="resizable">False</property>
     <property name="use_header_bar">1</property>
-    <child internal-child="vbox">
+    <property name="hide-on-close">True</property>
+    <child>
       <object class="GtkBox">
-        <property name="can_focus">False</property>
+        <property name="margin_start">6</property>
+        <property name="margin_end">6</property>
+        <property name="margin_top">6</property>
+        <property name="margin_bottom">6</property>
         <property name="orientation">vertical</property>
-        <property name="spacing">2</property>
         <child>
           <object class="GtkGrid">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
             <property name="margin_start">12</property>
             <property name="margin_end">6</property>
             <property name="margin_top">12</property>
@@ -286,150 +256,101 @@
             <property name="column_spacing">6</property>
             <child>
               <object class="GtkLabel" id="suspend_on_ac_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
                 <property name="margin_top">12</property>
                 <property name="xalign">0</property>
                 <property name="label" translatable="yes">_Plugged In</property>
                 <property name="use_underline">True</property>
                 <property name="mnemonic_widget">suspend_on_ac_switch</property>
+                <layout>
+                  <property name="column">0</property>
+                  <property name="row">2</property>
+                </layout>
               </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-                <property name="width">1</property>
-                <property name="height">1</property>
-              </packing>
             </child>
             <child>
               <object class="GtkLabel" id="suspend_on_battery_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
                 <property name="xalign">0</property>
                 <property name="label" translatable="yes">On _Battery Power</property>
                 <property name="use_underline">True</property>
                 <property name="mnemonic_widget">suspend_on_battery_switch</property>
+                <layout>
+                  <property name="column">0</property>
+                  <property name="row">0</property>
+                </layout>
               </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">1</property>
-                <property name="height">1</property>
-              </packing>
             </child>
             <child>
               <object class="GtkSwitch" id="suspend_on_battery_switch">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
                 <property name="halign">end</property>
+                <layout>
+                  <property name="column">2</property>
+                  <property name="row">0</property>
+                </layout>
               </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">0</property>
-                <property name="width">1</property>
-                <property name="height">1</property>
-              </packing>
             </child>
             <child>
               <object class="GtkComboBoxText" id="suspend_on_battery_delay_combo">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
                 <property name="entry_text_column">0</property>
                 <property name="id_column">1</property>
                 <property name="model">time_liststore</property>
+                <layout>
+                  <property name="column">2</property>
+                  <property name="row">1</property>
+                </layout>
               </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">1</property>
-                <property name="width">1</property>
-                <property name="height">1</property>
-              </packing>
             </child>
             <child>
               <object class="GtkLabel" id="suspend_on_battery_delay_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
                 <property name="margin_start">20</property>
                 <property name="xalign">1</property>
                 <property name="label" translatable="yes">Delay</property>
                 <property name="mnemonic_widget">suspend_on_battery_delay_combo</property>
+                <layout>
+                  <property name="column">1</property>
+                  <property name="row">1</property>
+                </layout>
                 <style>
                   <class name="dim-label"/>
                 </style>
               </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-                <property name="width">1</property>
-                <property name="height">1</property>
-              </packing>
             </child>
             <child>
               <object class="GtkSwitch" id="suspend_on_ac_switch">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
                 <property name="halign">end</property>
                 <property name="margin_top">12</property>
+                <layout>
+                  <property name="column">2</property>
+                  <property name="row">2</property>
+                </layout>
               </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">2</property>
-                <property name="width">1</property>
-                <property name="height">1</property>
-              </packing>
             </child>
             <child>
               <object class="GtkComboBoxText" id="suspend_on_ac_delay_combo">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
                 <property name="entry_text_column">0</property>
                 <property name="id_column">1</property>
                 <property name="model">time_liststore</property>
+                <layout>
+                  <property name="column">2</property>
+                  <property name="row">3</property>
+                </layout>
               </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">3</property>
-                <property name="width">1</property>
-                <property name="height">1</property>
-              </packing>
-            </child>
-            <child>
-              <placeholder/>
-            </child>
-            <child>
-              <placeholder/>
-            </child>
-            <child>
-              <placeholder/>
-            </child>
-            <child>
-              <placeholder/>
             </child>
             <child>
               <object class="GtkLabel">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
                 <property name="margin_start">20</property>
                 <property name="xalign">1</property>
                 <property name="label" translatable="yes">Delay</property>
                 <property name="mnemonic_widget">suspend_on_ac_delay_combo</property>
+                <layout>
+                  <property name="column">1</property>
+                  <property name="row">3</property>
+                </layout>
                 <style>
                   <class name="dim-label"/>
                 </style>
               </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-                <property name="width">1</property>
-                <property name="height">1</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
diff --git a/panels/power/cc-power-profile-info-row.ui b/panels/power/cc-power-profile-info-row.ui
index 34807c38c..4400244ce 100644
--- a/panels/power/cc-power-profile-info-row.ui
+++ b/panels/power/cc-power-profile-info-row.ui
@@ -6,7 +6,6 @@
     <property name="selectable">False</property>
     <child>
       <object class="GtkBox">
-        <property name="visible">True</property>
         <property name="orientation">horizontal</property>
         <property name="margin-start">4</property>
         <property name="margin-end">8</property>
@@ -15,11 +14,10 @@
         <property name="spacing">4</property>
         <child>
           <object class="GtkImage" id="icon_image">
-            <property name="visible">True</property>
             <property name="margin-start">6</property>
             <property name="margin-end">6</property>
             <property name="icon-name">info-symbolic</property>
-            <property name="icon-size">5</property>
+            <property name="icon-size">large</property>
             <style>
               <class name="dim-label"/>
             </style>
@@ -27,9 +25,9 @@
         </child>
         <child>
           <object class="GtkLabel" id="title_label">
-            <property name="visible">True</property>
             <property name="halign">start</property>
-            <property name="expand">True</property>
+            <property name="hexpand">True</property>
+            <property name="vexpand">True</property>
             <property name="use-markup">True</property>
             <property name="use-underline">True</property>
             <property name="xalign">0</property>
diff --git a/panels/power/cc-power-profile-row.c b/panels/power/cc-power-profile-row.c
index f290caa10..e4b149b10 100644
--- a/panels/power/cc-power-profile-row.c
+++ b/panels/power/cc-power-profile-row.c
@@ -34,7 +34,7 @@ struct _CcPowerProfileRow
 {
   GtkListBoxRow parent_instance;
 
-  GtkRadioButton *button;
+  GtkCheckButton *button;
   GtkLabel       *subtitle_label;
   GtkLabel       *title_label;
 
@@ -74,10 +74,8 @@ performance_profile_set_inhibited (CcPowerProfileRow *self,
   if (self->power_profile != CC_POWER_PROFILE_PERFORMANCE)
     return;
 
-  gtk_style_context_remove_class (gtk_widget_get_style_context (GTK_WIDGET (self->subtitle_label)),
-                                  GTK_STYLE_CLASS_DIM_LABEL);
-  gtk_style_context_remove_class (gtk_widget_get_style_context (GTK_WIDGET (self->subtitle_label)),
-                                  GTK_STYLE_CLASS_ERROR);
+  gtk_widget_remove_css_class (GTK_WIDGET (self->subtitle_label), "dim-label");
+  gtk_widget_remove_css_class (GTK_WIDGET (self->subtitle_label), "error");
 
   text = get_performance_inhibited_text (performance_inhibited);
   if (text)
@@ -86,8 +84,8 @@ performance_profile_set_inhibited (CcPowerProfileRow *self,
     text = _("High performance and power usage.");
   gtk_label_set_text (GTK_LABEL (self->subtitle_label), text);
 
-  gtk_style_context_add_class (gtk_widget_get_style_context (GTK_WIDGET (self->subtitle_label)),
-                               inhibited ? GTK_STYLE_CLASS_ERROR : GTK_STYLE_CLASS_DIM_LABEL);
+  gtk_widget_add_css_class (GTK_WIDGET (self->subtitle_label),
+                            inhibited ? "error" : "dim-label");
   gtk_widget_set_sensitive (GTK_WIDGET (self), !inhibited);
 }
 
@@ -133,7 +131,7 @@ cc_power_profile_row_get_profile (CcPowerProfileRow *self)
   return self->power_profile;
 }
 
-GtkRadioButton *
+GtkCheckButton *
 cc_power_profile_row_get_radio_button (CcPowerProfileRow *self)
 {
   g_return_val_if_fail (CC_IS_POWER_PROFILE_ROW (self), NULL);
@@ -147,7 +145,7 @@ cc_power_profile_row_set_active (CcPowerProfileRow *self,
 {
   g_return_if_fail (CC_IS_POWER_PROFILE_ROW (self));
 
-  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (self->button), active);
+  gtk_check_button_set_active (GTK_CHECK_BUTTON (self->button), active);
 }
 
 void
@@ -166,7 +164,7 @@ cc_power_profile_row_get_active (CcPowerProfileRow *self)
 {
   g_return_val_if_fail (CC_IS_POWER_PROFILE_ROW (self), FALSE);
 
-  return gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (self->button));
+  return gtk_check_button_get_active (GTK_CHECK_BUTTON (self->button));
 }
 
 CcPowerProfileRow *
diff --git a/panels/power/cc-power-profile-row.h b/panels/power/cc-power-profile-row.h
index 96c12a5e4..6a26c44af 100644
--- a/panels/power/cc-power-profile-row.h
+++ b/panels/power/cc-power-profile-row.h
@@ -41,7 +41,7 @@ G_DECLARE_FINAL_TYPE (CcPowerProfileRow, cc_power_profile_row, CC, POWER_PROFILE
 
 CcPowerProfileRow *cc_power_profile_row_new           (CcPowerProfile  power_profile);
 CcPowerProfile cc_power_profile_row_get_profile       (CcPowerProfileRow *row);
-GtkRadioButton *cc_power_profile_row_get_radio_button (CcPowerProfileRow *row);
+GtkCheckButton *cc_power_profile_row_get_radio_button (CcPowerProfileRow *row);
 void cc_power_profile_row_set_active                  (CcPowerProfileRow *row, gboolean active);
 gboolean cc_power_profile_row_get_active              (CcPowerProfileRow *row);
 void cc_power_profile_row_set_performance_inhibited   (CcPowerProfileRow *row,
diff --git a/panels/power/cc-power-profile-row.ui b/panels/power/cc-power-profile-row.ui
index 1391093ba..3da6bef0c 100644
--- a/panels/power/cc-power-profile-row.ui
+++ b/panels/power/cc-power-profile-row.ui
@@ -5,55 +5,57 @@
     <property name="selectable">False</property>
     <child>
       <object class="GtkBox">
-        <property name="visible">True</property>
         <property name="orientation">horizontal</property>
         <property name="margin-start">12</property>
         <property name="margin-end">12</property>
         <property name="spacing">12</property>
         <child>
           <object class="GtkGrid">
-            <property name="visible">True</property>
             <property name="margin-top">6</property>
             <property name="margin-bottom">6</property>
             <child>
-              <object class="GtkRadioButton" id="button">
-                <property name="visible">True</property>
+              <object class="GtkCheckButton" id="button">
                 <property name="margin-start">6</property>
                 <property name="margin-end">18</property>
                 <signal name="toggled" handler="cc_power_profile_row_button_toggled_cb" 
object="CcPowerProfileRow" swapped="yes"/>
+                <layout>
+                  <property name="column">0</property>
+                  <property name="row">0</property>
+                  <property name="row-span">2</property>
+                </layout>
               </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="height">2</property>
-              </packing>
             </child>
             <child>
               <object class="GtkLabel" id="title_label">
-                <property name="visible">True</property>
                 <property name="halign">start</property>
                 <property name="ellipsize">end</property>
-                <property name="expand">True</property>
+                <property name="hexpand">True</property>
+                <property name="vexpand">True</property>
                 <property name="use-markup">True</property>
                 <property name="use-underline">True</property>
                 <property name="xalign">0</property>
                 <property name="margin-end">6</property>
+                <layout>
+                  <property name="column">1</property>
+                  <property name="row">0</property>
+                </layout>
               </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">0</property>
-              </packing>
             </child>
             <child>
               <object class="GtkLabel" id="subtitle_label">
-                <property name="visible">True</property>
                 <property name="ellipsize">end</property>
                 <property name="halign">start</property>
-                <property name="expand">True</property>
+                <property name="hexpand">True</property>
+                <property name="vexpand">True</property>
                 <property name="use-markup">True</property>
                 <property name="use-underline">True</property>
                 <property name="xalign">0</property>
                 <property name="margin-end">6</property>
+                <layout>
+                  <property name="column">1</property>
+                  <property name="row">1</property>
+                  <property name="column-span">2</property>
+                </layout>
                 <attributes>
                   <attribute name="scale" value="0.9"/>
                 </attributes>
@@ -61,11 +63,6 @@
                   <class name="dim-label"/>
                 </style>
               </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-                <property name="width">2</property>
-              </packing>
             </child>
           </object>
         </child>
diff --git a/shell/cc-panel-loader.c b/shell/cc-panel-loader.c
index 97c418896..9accbf248 100644
--- a/shell/cc-panel-loader.c
+++ b/shell/cc-panel-loader.c
@@ -50,7 +50,7 @@ extern GType cc_info_overview_panel_get_type (void);
 #endif /* BUILD_NETWORK */
 extern GType cc_notifications_panel_get_type (void);
 //extern GType cc_goa_panel_get_type (void);
-//extern GType cc_power_panel_get_type (void);
+extern GType cc_power_panel_get_type (void);
 //extern GType cc_printers_panel_get_type (void);
 //extern GType cc_region_panel_get_type (void);
 extern GType cc_removable_media_panel_get_type (void);
@@ -121,7 +121,7 @@ static CcPanelLoaderVtable default_panels[] =
 #endif
   PANEL_TYPE("notifications",    cc_notifications_panel_get_type,        NULL),
   //PANEL_TYPE("online-accounts",  cc_goa_panel_get_type,                  NULL),
-  //PANEL_TYPE("power",            cc_power_panel_get_type,                NULL),
+  PANEL_TYPE("power",            cc_power_panel_get_type,                NULL),
   //PANEL_TYPE("printers",         cc_printers_panel_get_type,             NULL),
   //PANEL_TYPE("region",           cc_region_panel_get_type,               NULL),
   PANEL_TYPE("removable-media",  cc_removable_media_panel_get_type,      NULL),


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