[gnome-control-center] printers: Use self variable to match coding style



commit 47cd15d9114d0144cd6a51a080e9d8c241e9c4ea
Author: Robert Ancell <robert ancell canonical com>
Date:   Tue Dec 4 10:46:35 2018 +1300

    printers: Use self variable to match coding style

 panels/printers/pp-cups.c                 |  34 +-
 panels/printers/pp-host.c                 |  52 +--
 panels/printers/pp-ipp-option-widget.c    | 262 +++++------
 panels/printers/pp-job.c                  |  28 +-
 panels/printers/pp-jobs-dialog.c          | 291 ++++++------
 panels/printers/pp-maintenance-command.c  |  36 +-
 panels/printers/pp-new-printer-dialog.c   | 730 ++++++++++++++----------------
 panels/printers/pp-new-printer.c          | 164 ++++---
 panels/printers/pp-options-dialog.c       | 276 +++++------
 panels/printers/pp-ppd-option-widget.c    | 256 +++++------
 panels/printers/pp-ppd-selection-dialog.c | 144 +++---
 panels/printers/pp-print-device.c         |  88 ++--
 panels/printers/pp-printer-entry.c        |  14 +-
 panels/printers/pp-printer.c              |  58 ++-
 14 files changed, 1191 insertions(+), 1242 deletions(-)
---
diff --git a/panels/printers/pp-cups.c b/panels/printers/pp-cups.c
index 162bf81c3..32525f860 100644
--- a/panels/printers/pp-cups.c
+++ b/panels/printers/pp-cups.c
@@ -51,7 +51,7 @@ pp_cups_class_init (PpCupsClass *klass)
 }
 
 static void
-pp_cups_init (PpCups *cups)
+pp_cups_init (PpCups *self)
 {
 }
 
@@ -89,25 +89,25 @@ _pp_cups_get_dests_thread (GTask        *task,
 }
 
 void
-pp_cups_get_dests_async (PpCups              *cups,
+pp_cups_get_dests_async (PpCups              *self,
                          GCancellable        *cancellable,
                          GAsyncReadyCallback  callback,
                          gpointer             user_data)
 {
   GTask       *task;
 
-  task = g_task_new (cups, cancellable, callback, user_data);
+  task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_return_on_cancel (task, TRUE);
   g_task_run_in_thread (task, (GTaskThreadFunc) _pp_cups_get_dests_thread);
   g_object_unref (task);
 }
 
 PpCupsDests *
-pp_cups_get_dests_finish (PpCups        *cups,
+pp_cups_get_dests_finish (PpCups        *self,
                           GAsyncResult  *res,
                           GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, cups), NULL);
+  g_return_val_if_fail (g_task_is_valid (res, self), NULL);
 
   return g_task_propagate_pointer (G_TASK (res), error);
 }
@@ -130,14 +130,14 @@ connection_test_thread (GTask        *task,
 }
 
 void
-pp_cups_connection_test_async (PpCups              *cups,
+pp_cups_connection_test_async (PpCups              *self,
                                GCancellable        *cancellable,
                                GAsyncReadyCallback  callback,
                                gpointer             user_data)
 {
   GTask *task;
 
-  task = g_task_new (cups, cancellable, callback, user_data);
+  task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_return_on_cancel (task, TRUE);
   g_task_run_in_thread (task, connection_test_thread);
 
@@ -145,11 +145,11 @@ pp_cups_connection_test_async (PpCups              *cups,
 }
 
 gboolean
-pp_cups_connection_test_finish (PpCups         *cups,
+pp_cups_connection_test_finish (PpCups         *self,
                                 GAsyncResult   *result,
                                 GError        **error)
 {
-  g_return_val_if_fail (g_task_is_valid (result, cups), FALSE);
+  g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
 
   return g_task_propagate_boolean (G_TASK (result), error);
 }
@@ -183,14 +183,14 @@ cancel_subscription_thread (GTask        *task,
 }
 
 void
-pp_cups_cancel_subscription_async (PpCups              *cups,
+pp_cups_cancel_subscription_async (PpCups              *self,
                                    gint                 subscription_id,
                                    GAsyncReadyCallback  callback,
                                    gpointer             user_data)
 {
   GTask *task;
 
-  task = g_task_new (cups, NULL, callback, user_data);
+  task = g_task_new (self, NULL, callback, user_data);
   g_task_set_task_data (task, GINT_TO_POINTER (subscription_id), NULL);
   g_task_run_in_thread (task, cancel_subscription_thread);
 
@@ -198,10 +198,10 @@ pp_cups_cancel_subscription_async (PpCups              *cups,
 }
 
 gboolean
-pp_cups_cancel_subscription_finish (PpCups       *cups,
+pp_cups_cancel_subscription_finish (PpCups       *self,
                                     GAsyncResult *result)
 {
-  g_return_val_if_fail (g_task_is_valid (result, cups), FALSE);
+  g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
 
   return g_task_propagate_boolean (G_TASK (result), NULL);
 }
@@ -288,7 +288,7 @@ renew_subscription_thread (GTask        *task,
 }
 
 void
-pp_cups_renew_subscription_async  (PpCups               *cups,
+pp_cups_renew_subscription_async  (PpCups               *self,
                                    gint                  subscription_id,
                                    gchar               **events,
                                    gint                  lease_duration,
@@ -304,7 +304,7 @@ pp_cups_renew_subscription_async  (PpCups               *cups,
   subscription_data->events = g_strdupv (events);
   subscription_data->lease_duration = lease_duration;
 
-  task = g_task_new (cups, cancellable, callback, user_data);
+  task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_task_data (task, subscription_data, (GDestroyNotify) crs_data_free);
   g_task_run_in_thread (task, renew_subscription_thread);
 
@@ -313,10 +313,10 @@ pp_cups_renew_subscription_async  (PpCups               *cups,
 
 /* Returns id of renewed subscription or new id */
 gint
-pp_cups_renew_subscription_finish (PpCups       *cups,
+pp_cups_renew_subscription_finish (PpCups       *self,
                                    GAsyncResult *result)
 {
-  g_return_val_if_fail (g_task_is_valid (result, cups), FALSE);
+  g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
 
   return g_task_propagate_int (G_TASK (result), NULL);
 }
diff --git a/panels/printers/pp-host.c b/panels/printers/pp-host.c
index 476a691f0..15e65a574 100644
--- a/panels/printers/pp-host.c
+++ b/panels/printers/pp-host.c
@@ -140,9 +140,9 @@ pp_host_class_init (PpHostClass *klass)
 }
 
 static void
-pp_host_init (PpHost *host)
+pp_host_init (PpHost *self)
 {
-  PpHostPrivate *priv = pp_host_get_instance_private (host);
+  PpHostPrivate *priv = pp_host_get_instance_private (self);
   priv->port = PP_HOST_UNSET_PORT;
 }
 
@@ -244,8 +244,8 @@ _pp_host_get_snmp_devices_thread (GTask        *task,
                                   gpointer      task_data,
                                   GCancellable *cancellable)
 {
-  PpHost           *host = (PpHost *) source_object;
-  PpHostPrivate    *priv = pp_host_get_instance_private (host);
+  PpHost           *self = source_object;
+  PpHostPrivate    *priv = pp_host_get_instance_private (self);
   PpDevicesList    *devices;
   PpPrintDevice    *device;
   gboolean          is_network_device;
@@ -310,23 +310,23 @@ _pp_host_get_snmp_devices_thread (GTask        *task,
 }
 
 void
-pp_host_get_snmp_devices_async (PpHost              *host,
+pp_host_get_snmp_devices_async (PpHost              *self,
                                 GCancellable        *cancellable,
                                 GAsyncReadyCallback  callback,
                                 gpointer             user_data)
 {
   g_autoptr(GTask) task = NULL;
 
-  task = g_task_new (host, cancellable, callback, user_data);
+  task = g_task_new (self, cancellable, callback, user_data);
   g_task_run_in_thread (task, _pp_host_get_snmp_devices_thread);
 }
 
 PpDevicesList *
-pp_host_get_snmp_devices_finish (PpHost        *host,
+pp_host_get_snmp_devices_finish (PpHost        *self,
                                  GAsyncResult  *res,
                                  GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, host), NULL);
+  g_return_val_if_fail (g_task_is_valid (res, self), NULL);
   g_return_val_if_fail (error == NULL || *error == NULL, NULL);
   return g_task_propagate_pointer (G_TASK (res), error);
 }
@@ -338,8 +338,8 @@ _pp_host_get_remote_cups_devices_thread (GTask        *task,
                                          GCancellable *cancellable)
 {
   cups_dest_t   *dests = NULL;
-  PpHost        *host = (PpHost *) source_object;
-  PpHostPrivate *priv = pp_host_get_instance_private (host);
+  PpHost        *self = (PpHost *) source_object;
+  PpHostPrivate *priv = pp_host_get_instance_private (self);
   PpDevicesList *devices;
   PpPrintDevice *device;
   const char    *device_location;
@@ -396,23 +396,23 @@ _pp_host_get_remote_cups_devices_thread (GTask        *task,
 }
 
 void
-pp_host_get_remote_cups_devices_async (PpHost              *host,
+pp_host_get_remote_cups_devices_async (PpHost              *self,
                                        GCancellable        *cancellable,
                                        GAsyncReadyCallback  callback,
                                        gpointer             user_data)
 {
   g_autoptr(GTask) task = NULL;
 
-  task = g_task_new (host, cancellable, callback, user_data);
+  task = g_task_new (self, cancellable, callback, user_data);
   g_task_run_in_thread (task, _pp_host_get_remote_cups_devices_thread);
 }
 
 PpDevicesList *
-pp_host_get_remote_cups_devices_finish (PpHost        *host,
+pp_host_get_remote_cups_devices_finish (PpHost        *self,
                                         GAsyncResult  *res,
                                         GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, host), NULL);
+  g_return_val_if_fail (g_task_is_valid (res, self), NULL);
   g_return_val_if_fail (error == NULL || *error == NULL, NULL);
   return g_task_propagate_pointer (G_TASK (res), error);
 }
@@ -485,25 +485,25 @@ jetdirect_connection_test_cb (GObject      *source_object,
    See http://en.wikipedia.org/wiki/JetDirect
        http://www.cups.org/documentation.php/network.html */
 void
-pp_host_get_jetdirect_devices_async (PpHost              *host,
+pp_host_get_jetdirect_devices_async (PpHost              *self,
                                      GCancellable        *cancellable,
                                      GAsyncReadyCallback  callback,
                                      gpointer             user_data)
 {
-  PpHostPrivate    *priv = pp_host_get_instance_private (host);
+  PpHostPrivate    *priv = pp_host_get_instance_private (self);
   JetDirectData    *data;
   g_autoptr(GTask)  task = NULL;
   g_autofree gchar *address = NULL;
 
   data = g_new0 (JetDirectData, 1);
-  data->host = g_object_ref (host);
+  data->host = g_object_ref (self);
 
   if (priv->port == PP_HOST_UNSET_PORT)
     data->port = PP_HOST_DEFAULT_JETDIRECT_PORT;
   else
     data->port = priv->port;
 
-  task = g_task_new (G_OBJECT (host), cancellable, callback, user_data);
+  task = g_task_new (G_OBJECT (self), cancellable, callback, user_data);
   g_task_set_task_data (task, data, (GDestroyNotify) jetdirect_data_free);
 
   address = g_strdup_printf ("%s:%d", priv->hostname, data->port);
@@ -527,11 +527,11 @@ pp_host_get_jetdirect_devices_async (PpHost              *host,
 }
 
 PpDevicesList *
-pp_host_get_jetdirect_devices_finish (PpHost        *host,
+pp_host_get_jetdirect_devices_finish (PpHost        *self,
                                       GAsyncResult  *res,
                                       GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, host), NULL);
+  g_return_val_if_fail (g_task_is_valid (res, self), NULL);
   g_return_val_if_fail (error == NULL || *error == NULL, NULL);
   return g_task_propagate_pointer (G_TASK (res), error);
 }
@@ -616,8 +616,8 @@ _pp_host_get_lpd_devices_thread (GTask        *task,
 {
   g_autoptr(GSocketConnection) connection = NULL;
   PpPrintDevice               *device;
-  PpHost                      *host = (PpHost *) source_object;
-  PpHostPrivate               *priv = pp_host_get_instance_private (host);
+  PpHost                      *self = source_object;
+  PpHostPrivate               *priv = pp_host_get_instance_private (self);
   PpDevicesList               *devices;
   g_autoptr(GSocketClient)     client = NULL;
   g_autoptr(GError)            error = NULL;
@@ -720,23 +720,23 @@ _pp_host_get_lpd_devices_thread (GTask        *task,
 }
 
 void
-pp_host_get_lpd_devices_async (PpHost              *host,
+pp_host_get_lpd_devices_async (PpHost              *self,
                                GCancellable        *cancellable,
                                GAsyncReadyCallback  callback,
                                gpointer             user_data)
 {
   g_autoptr(GTask) task = NULL;
 
-  task = g_task_new (G_OBJECT (host), cancellable, callback, user_data);
+  task = g_task_new (G_OBJECT (self), cancellable, callback, user_data);
   g_task_run_in_thread (task, _pp_host_get_lpd_devices_thread);
 }
 
 PpDevicesList *
-pp_host_get_lpd_devices_finish (PpHost        *host,
+pp_host_get_lpd_devices_finish (PpHost        *self,
                                 GAsyncResult  *res,
                                 GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, host), NULL);
+  g_return_val_if_fail (g_task_is_valid (res, self), NULL);
   g_return_val_if_fail (error == NULL || *error == NULL, NULL);
   return g_task_propagate_pointer (G_TASK (res), error);
 }
diff --git a/panels/printers/pp-ipp-option-widget.c b/panels/printers/pp-ipp-option-widget.c
index 5ae738463..4435cdd00 100644
--- a/panels/printers/pp-ipp-option-widget.c
+++ b/panels/printers/pp-ipp-option-widget.c
@@ -30,9 +30,9 @@
 
 static void pp_ipp_option_widget_finalize (GObject *object);
 
-static gboolean construct_widget   (PpIPPOptionWidget *widget);
-static void     update_widget      (PpIPPOptionWidget *widget);
-static void     update_widget_real (PpIPPOptionWidget *widget);
+static gboolean construct_widget   (PpIPPOptionWidget *self);
+static void     update_widget      (PpIPPOptionWidget *self);
+static void     update_widget_real (PpIPPOptionWidget *self);
 
 struct _PpIPPOptionWidget
 {
@@ -104,38 +104,38 @@ pp_ipp_option_widget_class_init (PpIPPOptionWidgetClass *class)
 }
 
 static void
-pp_ipp_option_widget_init (PpIPPOptionWidget *widget)
+pp_ipp_option_widget_init (PpIPPOptionWidget *self)
 {
-  gtk_orientable_set_orientation (GTK_ORIENTABLE (widget),
+  gtk_orientable_set_orientation (GTK_ORIENTABLE (self),
                                   GTK_ORIENTATION_HORIZONTAL);
 
-  widget->switch_button = NULL;
-  widget->spin_button = NULL;
-  widget->combo = NULL;
-  widget->box = NULL;
+  self->switch_button = NULL;
+  self->spin_button = NULL;
+  self->combo = NULL;
+  self->box = NULL;
 
-  widget->printer_name = NULL;
-  widget->option_name = NULL;
+  self->printer_name = NULL;
+  self->option_name = NULL;
 
-  widget->option_supported = NULL;
-  widget->option_default = NULL;
+  self->option_supported = NULL;
+  self->option_default = NULL;
 
-  widget->ipp_attribute = NULL;
+  self->ipp_attribute = NULL;
 }
 
 static void
 pp_ipp_option_widget_finalize (GObject *object)
 {
-  PpIPPOptionWidget *widget = PP_IPP_OPTION_WIDGET (object);
+  PpIPPOptionWidget *self = PP_IPP_OPTION_WIDGET (object);
 
-  g_cancellable_cancel (widget->cancellable);
+  g_cancellable_cancel (self->cancellable);
 
-  g_clear_pointer (&widget->option_name, g_free);
-  g_clear_pointer (&widget->printer_name, g_free);
-  g_clear_pointer (&widget->option_supported, ipp_attribute_free);
-  g_clear_pointer (&widget->option_default, ipp_attribute_free);
-  g_clear_pointer (&widget->ipp_attribute, g_hash_table_unref);
-  g_clear_object (&widget->cancellable);
+  g_clear_pointer (&self->option_name, g_free);
+  g_clear_pointer (&self->printer_name, g_free);
+  g_clear_pointer (&self->option_supported, ipp_attribute_free);
+  g_clear_pointer (&self->option_default, ipp_attribute_free);
+  g_clear_pointer (&self->ipp_attribute, g_hash_table_unref);
+  g_clear_object (&self->cancellable);
 
   G_OBJECT_CLASS (pp_ipp_option_widget_parent_class)->finalize (object);
 }
@@ -146,30 +146,30 @@ pp_ipp_option_widget_new (IPPAttribute *attr_supported,
                           const gchar  *option_name,
                           const gchar  *printer)
 {
-  PpIPPOptionWidget        *widget = NULL;
+  PpIPPOptionWidget *self = NULL;
 
   if (attr_supported && option_name && printer)
     {
-      widget = g_object_new (PP_TYPE_IPP_OPTION_WIDGET, NULL);
+      self = g_object_new (PP_TYPE_IPP_OPTION_WIDGET, NULL);
 
-      widget->printer_name = g_strdup (printer);
-      widget->option_name = g_strdup (option_name);
-      widget->option_supported = ipp_attribute_copy (attr_supported);
-      widget->option_default = ipp_attribute_copy (attr_default);
+      self->printer_name = g_strdup (printer);
+      self->option_name = g_strdup (option_name);
+      self->option_supported = ipp_attribute_copy (attr_supported);
+      self->option_default = ipp_attribute_copy (attr_default);
 
-      if (construct_widget (widget))
+      if (construct_widget (self))
         {
-          update_widget_real (widget);
+          update_widget_real (self);
         }
       else
         {
-          g_object_ref_sink (widget);
-          g_object_unref (widget);
-          widget = NULL;
+          g_object_ref_sink (self);
+          g_object_unref (self);
+          self = NULL;
         }
     }
 
-  return (GtkWidget *) widget;
+  return (GtkWidget *) self;
 }
 
 enum {
@@ -277,16 +277,16 @@ static void
 printer_add_option_async_cb (gboolean success,
                              gpointer user_data)
 {
-  PpIPPOptionWidget        *widget = (PpIPPOptionWidget *) user_data;
+  PpIPPOptionWidget *self = user_data;
 
   update_widget (user_data);
-  g_clear_object (&widget->cancellable);
+  g_clear_object (&self->cancellable);
 }
 
 static void
 switch_changed_cb (GtkWidget         *switch_button,
                    GParamSpec        *pspec,
-                   PpIPPOptionWidget *widget)
+                   PpIPPOptionWidget *self)
 {
   gchar                    **values;
 
@@ -297,156 +297,156 @@ switch_changed_cb (GtkWidget         *switch_button,
   else
     values[0] = g_strdup ("False");
 
-  if (widget->cancellable)
+  if (self->cancellable)
     {
-      g_cancellable_cancel (widget->cancellable);
-      g_object_unref (widget->cancellable);
+      g_cancellable_cancel (self->cancellable);
+      g_object_unref (self->cancellable);
     }
 
-  widget->cancellable = g_cancellable_new ();
-  printer_add_option_async (widget->printer_name,
-                            widget->option_name,
+  self->cancellable = g_cancellable_new ();
+  printer_add_option_async (self->printer_name,
+                            self->option_name,
                             values,
                             TRUE,
-                            widget->cancellable,
+                            self->cancellable,
                             printer_add_option_async_cb,
-                            widget);
+                            self);
 
   g_strfreev (values);
 }
 
 static void
 combo_changed_cb (GtkWidget         *combo,
-                  PpIPPOptionWidget *widget)
+                  PpIPPOptionWidget *self)
 {
   gchar                    **values;
 
   values = g_new0 (gchar *, 2);
   values[0] = combo_box_get (combo);
 
-  if (widget->cancellable)
+  if (self->cancellable)
     {
-      g_cancellable_cancel (widget->cancellable);
-      g_object_unref (widget->cancellable);
+      g_cancellable_cancel (self->cancellable);
+      g_object_unref (self->cancellable);
     }
 
-  widget->cancellable = g_cancellable_new ();
-  printer_add_option_async (widget->printer_name,
-                            widget->option_name,
+  self->cancellable = g_cancellable_new ();
+  printer_add_option_async (self->printer_name,
+                            self->option_name,
                             values,
                             TRUE,
-                            widget->cancellable,
+                            self->cancellable,
                             printer_add_option_async_cb,
-                            widget);
+                            self);
 
   g_strfreev (values);
 }
 
 static void
 spin_button_changed_cb (GtkWidget         *spin_button,
-                        PpIPPOptionWidget *widget)
+                        PpIPPOptionWidget *self)
 {
   gchar                    **values;
 
   values = g_new0 (gchar *, 2);
   values[0] = g_strdup_printf ("%d", gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (spin_button)));
 
-  if (widget->cancellable)
+  if (self->cancellable)
     {
-      g_cancellable_cancel (widget->cancellable);
-      g_object_unref (widget->cancellable);
+      g_cancellable_cancel (self->cancellable);
+      g_object_unref (self->cancellable);
     }
 
-  widget->cancellable = g_cancellable_new ();
-  printer_add_option_async (widget->printer_name,
-                            widget->option_name,
+  self->cancellable = g_cancellable_new ();
+  printer_add_option_async (self->printer_name,
+                            self->option_name,
                             values,
                             TRUE,
-                            widget->cancellable,
+                            self->cancellable,
                             printer_add_option_async_cb,
-                            widget);
+                            self);
 
   g_strfreev (values);
 }
 
 static gboolean
-construct_widget (PpIPPOptionWidget *widget)
+construct_widget (PpIPPOptionWidget *self)
 {
   gboolean                  trivial_option = FALSE;
   gboolean                  result = FALSE;
   gchar                    *value;
   gint                      i;
 
-  if (widget->option_supported)
+  if (self->option_supported)
     {
-      switch (widget->option_supported->attribute_type)
+      switch (self->option_supported->attribute_type)
         {
           case IPP_ATTRIBUTE_TYPE_INTEGER:
-            if (widget->option_supported->num_of_values <= 1)
+            if (self->option_supported->num_of_values <= 1)
               trivial_option = TRUE;
             break;
 
           case IPP_ATTRIBUTE_TYPE_STRING:
-            if (widget->option_supported->num_of_values <= 1)
+            if (self->option_supported->num_of_values <= 1)
               trivial_option = TRUE;
             break;
 
           case IPP_ATTRIBUTE_TYPE_RANGE:
-            if (widget->option_supported->attribute_values[0].lower_range ==
-                widget->option_supported->attribute_values[0].upper_range)
+            if (self->option_supported->attribute_values[0].lower_range ==
+                self->option_supported->attribute_values[0].upper_range)
               trivial_option = TRUE;
             break;
         }
 
       if (!trivial_option)
         {
-          switch (widget->option_supported->attribute_type)
+          switch (self->option_supported->attribute_type)
             {
               case IPP_ATTRIBUTE_TYPE_BOOLEAN:
-                  widget->switch_button = gtk_switch_new ();
+                  self->switch_button = gtk_switch_new ();
 
-                  gtk_box_pack_start (GTK_BOX (widget), widget->switch_button, FALSE, FALSE, 0);
-                  g_signal_connect (widget->switch_button, "notify::active", G_CALLBACK (switch_changed_cb), 
widget);
+                  gtk_box_pack_start (GTK_BOX (self), self->switch_button, FALSE, FALSE, 0);
+                  g_signal_connect (self->switch_button, "notify::active", G_CALLBACK (switch_changed_cb), 
self);
                   break;
 
               case IPP_ATTRIBUTE_TYPE_INTEGER:
-                  widget->combo = combo_box_new ();
+                  self->combo = combo_box_new ();
 
-                  for (i = 0; i < widget->option_supported->num_of_values; i++)
+                  for (i = 0; i < self->option_supported->num_of_values; i++)
                     {
-                      value = g_strdup_printf ("%d", 
widget->option_supported->attribute_values[i].integer_value);
-                      combo_box_append (widget->combo,
-                                        ipp_choice_translate (widget->option_name,
+                      value = g_strdup_printf ("%d", 
self->option_supported->attribute_values[i].integer_value);
+                      combo_box_append (self->combo,
+                                        ipp_choice_translate (self->option_name,
                                                               value),
                                         value);
                       g_free (value);
                     }
 
-                  gtk_box_pack_start (GTK_BOX (widget), widget->combo, FALSE, FALSE, 0);
-                  g_signal_connect (widget->combo, "changed", G_CALLBACK (combo_changed_cb), widget);
+                  gtk_box_pack_start (GTK_BOX (self), self->combo, FALSE, FALSE, 0);
+                  g_signal_connect (self->combo, "changed", G_CALLBACK (combo_changed_cb), self);
                   break;
 
               case IPP_ATTRIBUTE_TYPE_STRING:
-                  widget->combo = combo_box_new ();
+                  self->combo = combo_box_new ();
 
-                  for (i = 0; i < widget->option_supported->num_of_values; i++)
-                    combo_box_append (widget->combo,
-                                      ipp_choice_translate (widget->option_name,
-                                                            
widget->option_supported->attribute_values[i].string_value),
-                                      widget->option_supported->attribute_values[i].string_value);
+                  for (i = 0; i < self->option_supported->num_of_values; i++)
+                    combo_box_append (self->combo,
+                                      ipp_choice_translate (self->option_name,
+                                                            
self->option_supported->attribute_values[i].string_value),
+                                      self->option_supported->attribute_values[i].string_value);
 
-                  gtk_box_pack_start (GTK_BOX (widget), widget->combo, FALSE, FALSE, 0);
-                  g_signal_connect (widget->combo, "changed", G_CALLBACK (combo_changed_cb), widget);
+                  gtk_box_pack_start (GTK_BOX (self), self->combo, FALSE, FALSE, 0);
+                  g_signal_connect (self->combo, "changed", G_CALLBACK (combo_changed_cb), self);
                   break;
 
               case IPP_ATTRIBUTE_TYPE_RANGE:
-                  widget->spin_button = gtk_spin_button_new_with_range (
-                                        widget->option_supported->attribute_values[0].lower_range,
-                                        widget->option_supported->attribute_values[0].upper_range,
+                  self->spin_button = gtk_spin_button_new_with_range (
+                                        self->option_supported->attribute_values[0].lower_range,
+                                        self->option_supported->attribute_values[0].upper_range,
                                         1);
 
-                  gtk_box_pack_start (GTK_BOX (widget), widget->spin_button, FALSE, FALSE, 0);
-                  g_signal_connect (widget->spin_button, "value-changed", G_CALLBACK 
(spin_button_changed_cb), widget);
+                  gtk_box_pack_start (GTK_BOX (self), self->spin_button, FALSE, FALSE, 0);
+                  g_signal_connect (self->spin_button, "value-changed", G_CALLBACK (spin_button_changed_cb), 
self);
                   break;
 
               default:
@@ -461,96 +461,96 @@ construct_widget (PpIPPOptionWidget *widget)
 }
 
 static void
-update_widget_real (PpIPPOptionWidget *widget)
+update_widget_real (PpIPPOptionWidget *self)
 {
   IPPAttribute             *attr = NULL;
   gchar                    *value;
   gchar                    *attr_name;
 
-  if (widget->option_default)
+  if (self->option_default)
     {
-      attr = ipp_attribute_copy (widget->option_default);
+      attr = ipp_attribute_copy (self->option_default);
 
-      ipp_attribute_free (widget->option_default);
-      widget->option_default = NULL;
+      ipp_attribute_free (self->option_default);
+      self->option_default = NULL;
     }
-  else if (widget->ipp_attribute)
+  else if (self->ipp_attribute)
     {
-      attr_name = g_strdup_printf ("%s-default", widget->option_name);
-      attr = ipp_attribute_copy (g_hash_table_lookup (widget->ipp_attribute, attr_name));
+      attr_name = g_strdup_printf ("%s-default", self->option_name);
+      attr = ipp_attribute_copy (g_hash_table_lookup (self->ipp_attribute, attr_name));
 
       g_free (attr_name);
-      g_hash_table_unref (widget->ipp_attribute);
-      widget->ipp_attribute = NULL;
+      g_hash_table_unref (self->ipp_attribute);
+      self->ipp_attribute = NULL;
     }
 
-  switch (widget->option_supported->attribute_type)
+  switch (self->option_supported->attribute_type)
     {
       case IPP_ATTRIBUTE_TYPE_BOOLEAN:
-        g_signal_handlers_block_by_func (widget->switch_button, switch_changed_cb, widget);
+        g_signal_handlers_block_by_func (self->switch_button, switch_changed_cb, self);
 
         if (attr && attr->num_of_values > 0 &&
             attr->attribute_type == IPP_ATTRIBUTE_TYPE_BOOLEAN)
           {
-            gtk_switch_set_active (GTK_SWITCH (widget->switch_button),
+            gtk_switch_set_active (GTK_SWITCH (self->switch_button),
                                    attr->attribute_values[0].boolean_value);
           }
 
-        g_signal_handlers_unblock_by_func (widget->switch_button, switch_changed_cb, widget);
+        g_signal_handlers_unblock_by_func (self->switch_button, switch_changed_cb, self);
         break;
 
       case IPP_ATTRIBUTE_TYPE_INTEGER:
-        g_signal_handlers_block_by_func (widget->combo, combo_changed_cb, widget);
+        g_signal_handlers_block_by_func (self->combo, combo_changed_cb, self);
 
         if (attr && attr->num_of_values > 0 &&
             attr->attribute_type == IPP_ATTRIBUTE_TYPE_INTEGER)
           {
             value = g_strdup_printf ("%d", attr->attribute_values[0].integer_value);
-            combo_box_set (widget->combo, value);
+            combo_box_set (self->combo, value);
             g_free (value);
           }
         else
           {
-            value = g_strdup_printf ("%d", widget->option_supported->attribute_values[0].integer_value);
-            combo_box_set (widget->combo, value);
+            value = g_strdup_printf ("%d", self->option_supported->attribute_values[0].integer_value);
+            combo_box_set (self->combo, value);
             g_free (value);
           }
 
-        g_signal_handlers_unblock_by_func (widget->combo, combo_changed_cb, widget);
+        g_signal_handlers_unblock_by_func (self->combo, combo_changed_cb, self);
         break;
 
       case IPP_ATTRIBUTE_TYPE_STRING:
-        g_signal_handlers_block_by_func (widget->combo, combo_changed_cb, widget);
+        g_signal_handlers_block_by_func (self->combo, combo_changed_cb, self);
 
         if (attr && attr->num_of_values > 0 &&
             attr->attribute_type == IPP_ATTRIBUTE_TYPE_STRING)
           {
-            combo_box_set (widget->combo, attr->attribute_values[0].string_value);
+            combo_box_set (self->combo, attr->attribute_values[0].string_value);
           }
         else
           {
-            combo_box_set (widget->combo, widget->option_supported->attribute_values[0].string_value);
+            combo_box_set (self->combo, self->option_supported->attribute_values[0].string_value);
           }
 
-        g_signal_handlers_unblock_by_func (widget->combo, combo_changed_cb, widget);
+        g_signal_handlers_unblock_by_func (self->combo, combo_changed_cb, self);
         break;
 
       case IPP_ATTRIBUTE_TYPE_RANGE:
-        g_signal_handlers_block_by_func (widget->spin_button, spin_button_changed_cb, widget);
+        g_signal_handlers_block_by_func (self->spin_button, spin_button_changed_cb, self);
 
         if (attr && attr->num_of_values > 0 &&
             attr->attribute_type == IPP_ATTRIBUTE_TYPE_INTEGER)
           {
-            gtk_spin_button_set_value (GTK_SPIN_BUTTON (widget->spin_button),
+            gtk_spin_button_set_value (GTK_SPIN_BUTTON (self->spin_button),
                                        attr->attribute_values[0].integer_value);
           }
         else
           {
-            gtk_spin_button_set_value (GTK_SPIN_BUTTON (widget->spin_button),
-                                       widget->option_supported->attribute_values[0].lower_range);
+            gtk_spin_button_set_value (GTK_SPIN_BUTTON (self->spin_button),
+                                       self->option_supported->attribute_values[0].lower_range);
           }
 
-        g_signal_handlers_unblock_by_func (widget->spin_button, spin_button_changed_cb, widget);
+        g_signal_handlers_unblock_by_func (self->spin_button, spin_button_changed_cb, self);
         break;
 
       default:
@@ -564,28 +564,28 @@ static void
 get_ipp_attributes_cb (GHashTable *table,
                        gpointer    user_data)
 {
-  PpIPPOptionWidget        *widget = (PpIPPOptionWidget *) user_data;
+  PpIPPOptionWidget *self = user_data;
 
-  if (widget->ipp_attribute)
-    g_hash_table_unref (widget->ipp_attribute);
+  if (self->ipp_attribute)
+    g_hash_table_unref (self->ipp_attribute);
 
-  widget->ipp_attribute = table;
+  self->ipp_attribute = table;
 
-  update_widget_real (widget);
+  update_widget_real (self);
 }
 
 static void
-update_widget (PpIPPOptionWidget *widget)
+update_widget (PpIPPOptionWidget *self)
 {
   gchar                    **attributes_names;
 
   attributes_names = g_new0 (gchar *, 2);
-  attributes_names[0] = g_strdup_printf ("%s-default", widget->option_name);
+  attributes_names[0] = g_strdup_printf ("%s-default", self->option_name);
 
-  get_ipp_attributes_async (widget->printer_name,
+  get_ipp_attributes_async (self->printer_name,
                             attributes_names,
                             get_ipp_attributes_cb,
-                            widget);
+                            self);
 
   g_strfreev (attributes_names);
 }
diff --git a/panels/printers/pp-job.c b/panels/printers/pp-job.c
index 90f7e3b4b..77ea6a249 100644
--- a/panels/printers/pp-job.c
+++ b/panels/printers/pp-job.c
@@ -86,14 +86,14 @@ pp_job_cancel_purge_async_dbus_cb (GObject      *source_object,
 }
 
 void
-pp_job_cancel_purge_async (PpJob        *job,
+pp_job_cancel_purge_async (PpJob        *self,
                            gboolean      job_purge)
 {
   GDBusConnection *bus;
   g_autoptr(GError) error = NULL;
   gint            *job_id;
 
-  g_object_get (job, "id", &job_id, NULL);
+  g_object_get (self, "id", &job_id, NULL);
 
   bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
   if (!bus)
@@ -137,14 +137,14 @@ pp_job_set_hold_until_async_dbus_cb (GObject      *source_object,
 }
 
 void
-pp_job_set_hold_until_async (PpJob        *job,
+pp_job_set_hold_until_async (PpJob        *self,
                              const gchar  *job_hold_until)
 {
   GDBusConnection  *bus;
   g_autoptr(GError) error = NULL;
   gint             *job_id;
 
-  g_object_get (job, "id", &job_id, NULL);
+  g_object_get (self, "id", &job_id, NULL);
 
   bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
   if (!bus)
@@ -392,7 +392,7 @@ _pp_job_get_attributes_thread (GTask        *task,
 }
 
 void
-pp_job_get_attributes_async (PpJob                *job,
+pp_job_get_attributes_async (PpJob                *self,
                              gchar               **attributes_names,
                              GCancellable         *cancellable,
                              GAsyncReadyCallback   callback,
@@ -400,7 +400,7 @@ pp_job_get_attributes_async (PpJob                *job,
 {
   GTask *task;
 
-  task = g_task_new (job, cancellable, callback, user_data);
+  task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_task_data (task, g_strdupv (attributes_names), (GDestroyNotify) g_strfreev);
   g_task_run_in_thread (task, _pp_job_get_attributes_thread);
 
@@ -408,11 +408,11 @@ pp_job_get_attributes_async (PpJob                *job,
 }
 
 GVariant *
-pp_job_get_attributes_finish (PpJob         *job,
+pp_job_get_attributes_finish (PpJob         *self,
                               GAsyncResult  *result,
                               GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (result, job), NULL);
+  g_return_val_if_fail (g_task_is_valid (result, self), NULL);
 
   return g_task_propagate_pointer (G_TASK (result), error);
 }
@@ -423,7 +423,7 @@ _pp_job_authenticate_thread (GTask        *task,
                              gpointer      task_data,
                              GCancellable *cancellable)
 {
-  PpJob         *job = PP_JOB (source_object);
+  PpJob         *self = source_object;
   gboolean       result = FALSE;
   gchar        **auth_info = task_data;
   ipp_t         *request;
@@ -433,7 +433,7 @@ _pp_job_authenticate_thread (GTask        *task,
 
   if (auth_info != NULL)
     {
-      job_uri = g_strdup_printf ("ipp://localhost/jobs/%d", job->id);
+      job_uri = g_strdup_printf ("ipp://localhost/jobs/%d", self->id);
 
       length = g_strv_length (auth_info);
 
@@ -458,7 +458,7 @@ _pp_job_authenticate_thread (GTask        *task,
 }
 
 void
-pp_job_authenticate_async (PpJob                *job,
+pp_job_authenticate_async (PpJob                *self,
                            gchar               **auth_info,
                            GCancellable         *cancellable,
                            GAsyncReadyCallback   callback,
@@ -466,7 +466,7 @@ pp_job_authenticate_async (PpJob                *job,
 {
   GTask *task;
 
-  task = g_task_new (job, cancellable, callback, user_data);
+  task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_task_data (task, g_strdupv (auth_info), (GDestroyNotify) g_strfreev);
   g_task_run_in_thread (task, _pp_job_authenticate_thread);
 
@@ -474,11 +474,11 @@ pp_job_authenticate_async (PpJob                *job,
 }
 
 gboolean
-pp_job_authenticate_finish (PpJob         *job,
+pp_job_authenticate_finish (PpJob         *self,
                             GAsyncResult  *result,
                             GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (result, job), FALSE);
+  g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
 
   return g_task_propagate_boolean (G_TASK (result), error);
 }
diff --git a/panels/printers/pp-jobs-dialog.c b/panels/printers/pp-jobs-dialog.c
index e3956e5c8..875862ede 100644
--- a/panels/printers/pp-jobs-dialog.c
+++ b/panels/printers/pp-jobs-dialog.c
@@ -43,7 +43,7 @@
 #define CLOCK_SCHEMA "org.gnome.desktop.interface"
 #define CLOCK_FORMAT_KEY "clock-format"
 
-static void pp_jobs_dialog_hide (PpJobsDialog *dialog);
+static void pp_jobs_dialog_hide (PpJobsDialog *self);
 
 struct _PpJobsDialog {
   GtkBuilder *builder;
@@ -66,17 +66,17 @@ struct _PpJobsDialog {
 };
 
 static gboolean
-is_info_required (PpJobsDialog *dialog,
+is_info_required (PpJobsDialog *self,
                   const gchar  *info)
 {
   gboolean   required = FALSE;
   gint       i;
 
-  if (dialog != NULL && dialog->actual_auth_info_required != NULL)
+  if (self != NULL && self->actual_auth_info_required != NULL)
     {
-      for (i = 0; dialog->actual_auth_info_required[i] != NULL; i++)
+      for (i = 0; self->actual_auth_info_required[i] != NULL; i++)
         {
-          if (g_strcmp0 (dialog->actual_auth_info_required[i], info) == 0)
+          if (g_strcmp0 (self->actual_auth_info_required[i], info) == 0)
             {
               required = TRUE;
               break;
@@ -88,25 +88,25 @@ is_info_required (PpJobsDialog *dialog,
 }
 
 static gboolean
-is_domain_required (PpJobsDialog *dialog)
+is_domain_required (PpJobsDialog *self)
 {
-  return is_info_required (dialog, "domain");
+  return is_info_required (self, "domain");
 }
 
 static gboolean
-is_username_required (PpJobsDialog *dialog)
+is_username_required (PpJobsDialog *self)
 {
-  return is_info_required (dialog, "username");
+  return is_info_required (self, "username");
 }
 
 static gboolean
-is_password_required (PpJobsDialog *dialog)
+is_password_required (PpJobsDialog *self)
 {
-  return is_info_required (dialog, "password");
+  return is_info_required (self, "password");
 }
 
 static gboolean
-auth_popup_filled (PpJobsDialog *dialog)
+auth_popup_filled (PpJobsDialog *self)
 {
   gboolean domain_required;
   gboolean username_required;
@@ -115,13 +115,13 @@ auth_popup_filled (PpJobsDialog *dialog)
   guint16  username_length;
   guint16  password_length;
 
-  domain_required = is_domain_required (dialog);
-  username_required = is_username_required (dialog);
-  password_required = is_password_required (dialog);
+  domain_required = is_domain_required (self);
+  username_required = is_username_required (self);
+  password_required = is_password_required (self);
 
-  domain_length = gtk_entry_get_text_length (GTK_ENTRY (gtk_builder_get_object (dialog->builder, 
"domain-entry")));
-  username_length = gtk_entry_get_text_length (GTK_ENTRY (gtk_builder_get_object (dialog->builder, 
"username-entry")));
-  password_length = gtk_entry_get_text_length (GTK_ENTRY (gtk_builder_get_object (dialog->builder, 
"password-entry")));
+  domain_length = gtk_entry_get_text_length (GTK_ENTRY (gtk_builder_get_object (self->builder, 
"domain-entry")));
+  username_length = gtk_entry_get_text_length (GTK_ENTRY (gtk_builder_get_object (self->builder, 
"username-entry")));
+  password_length = gtk_entry_get_text_length (GTK_ENTRY (gtk_builder_get_object (self->builder, 
"password-entry")));
 
   return (!domain_required || domain_length > 0) &&
          (!username_required || username_length > 0) &&
@@ -130,59 +130,59 @@ auth_popup_filled (PpJobsDialog *dialog)
 
 static void
 auth_entries_changed (GtkEntry     *entry,
-                      PpJobsDialog *dialog)
+                      PpJobsDialog *self)
 {
   GtkWidget *widget;
 
-  widget = GTK_WIDGET (gtk_builder_get_object (dialog->builder, "authenticate-button"));
-  gtk_widget_set_sensitive (widget, auth_popup_filled (dialog));
+  widget = GTK_WIDGET (gtk_builder_get_object (self->builder, "authenticate-button"));
+  gtk_widget_set_sensitive (widget, auth_popup_filled (self));
 }
 
 static void
 auth_entries_activated (GtkEntry     *entry,
-                        PpJobsDialog *dialog)
+                        PpJobsDialog *self)
 {
   GtkWidget *widget;
 
-  widget = GTK_WIDGET (gtk_builder_get_object (dialog->builder, "authenticate-button"));
-  if (auth_popup_filled (dialog))
+  widget = GTK_WIDGET (gtk_builder_get_object (self->builder, "authenticate-button"));
+  if (auth_popup_filled (self))
     gtk_button_clicked (GTK_BUTTON (widget));
 }
 
 static void
-authenticate_popover_update (PpJobsDialog *dialog)
+authenticate_popover_update (PpJobsDialog *self)
 {
   GtkWidget *widget;
   gboolean   domain_required;
   gboolean   username_required;
   gboolean   password_required;
 
-  domain_required = is_domain_required (dialog);
-  username_required = is_username_required (dialog);
-  password_required = is_password_required (dialog);
+  domain_required = is_domain_required (self);
+  username_required = is_username_required (self);
+  password_required = is_password_required (self);
 
-  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "domain-label"));
+  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "domain-label"));
   gtk_widget_set_visible (widget, domain_required);
-  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "domain-entry"));
+  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "domain-entry"));
   gtk_widget_set_visible (widget, domain_required);
   if (domain_required)
     gtk_entry_set_text (GTK_ENTRY (widget), "");
 
-  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "username-label"));
+  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "username-label"));
   gtk_widget_set_visible (widget, username_required);
-  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "username-entry"));
+  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "username-entry"));
   gtk_widget_set_visible (widget, username_required);
   if (username_required)
     gtk_entry_set_text (GTK_ENTRY (widget), cupsUser ());
 
-  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "password-label"));
+  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "password-label"));
   gtk_widget_set_visible (widget, password_required);
-  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "password-entry"));
+  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "password-entry"));
   gtk_widget_set_visible (widget, password_required);
   if (password_required)
     gtk_entry_set_text (GTK_ENTRY (widget), "");
 
-  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "authenticate-button"));
+  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "authenticate-button"));
   gtk_widget_set_sensitive (widget, FALSE);
 }
 
@@ -301,13 +301,13 @@ create_listbox_row (gpointer item,
 }
 
 static void
-pop_up_authentication_popup (PpJobsDialog *dialog)
+pop_up_authentication_popup (PpJobsDialog *self)
 {
   GtkWidget *widget;
 
-  if (dialog->actual_auth_info_required != NULL)
+  if (self->actual_auth_info_required != NULL)
     {
-      widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), 
"authenticate-jobs-button"));
+      widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "authenticate-jobs-button"));
       gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
     }
 }
@@ -317,7 +317,7 @@ update_jobs_list_cb (GObject      *source_object,
                      GAsyncResult *result,
                      gpointer      user_data)
 {
-  PpJobsDialog     *dialog = user_data;
+  PpJobsDialog     *self = user_data;
   PpPrinter        *printer = PP_PRINTER (source_object);
   GtkWidget        *clear_all_button;
   GtkWidget        *infobar;
@@ -330,10 +330,10 @@ update_jobs_list_cb (GObject      *source_object,
   gchar            *text;
   gint              num_of_jobs, num_of_auth_jobs = 0;
 
-  g_list_store_remove_all (dialog->store);
+  g_list_store_remove_all (self->store);
 
-  stack = GTK_STACK (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "stack"));
-  clear_all_button = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), 
"jobs-clear-all-button"));
+  stack = GTK_STACK (gtk_builder_get_object (GTK_BUILDER (self->builder), "stack"));
+  clear_all_button = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), 
"jobs-clear-all-button"));
 
   jobs = pp_printer_get_jobs_finish (printer, result, &error);
   if (error != NULL)
@@ -362,7 +362,7 @@ update_jobs_list_cb (GObject      *source_object,
     {
       job = PP_JOB (l->data);
 
-      g_list_store_append (dialog->store, job);
+      g_list_store_append (self->store, job);
 
       g_object_get (G_OBJECT (job),
                     "auth-info-required", &auth_info_required,
@@ -371,8 +371,8 @@ update_jobs_list_cb (GObject      *source_object,
         {
           num_of_auth_jobs++;
 
-          if (dialog->actual_auth_info_required == NULL)
-            dialog->actual_auth_info_required = auth_info_required;
+          if (self->actual_auth_info_required == NULL)
+            self->actual_auth_info_required = auth_info_required;
           else
             g_strfreev (auth_info_required);
 
@@ -380,10 +380,10 @@ update_jobs_list_cb (GObject      *source_object,
         }
     }
 
-  infobar = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "authentication-infobar"));
+  infobar = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "authentication-infobar"));
   if (num_of_auth_jobs > 0)
     {
-      label = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "authenticate-jobs-label"));
+      label = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "authenticate-jobs-label"));
 
       /* Translators: This label shows how many jobs of this printer needs to be authenticated to be 
printed. */
       text = g_strdup_printf (ngettext ("%u Job Requires Authentication", "%u Jobs Require Authentication", 
num_of_auth_jobs), num_of_auth_jobs);
@@ -397,42 +397,42 @@ update_jobs_list_cb (GObject      *source_object,
       gtk_widget_hide (infobar);
     }
 
-  authenticate_popover_update (dialog);
+  authenticate_popover_update (self);
 
   g_list_free (jobs);
-  g_clear_object (&dialog->get_jobs_cancellable);
+  g_clear_object (&self->get_jobs_cancellable);
 
-  if (!dialog->jobs_filled)
+  if (!self->jobs_filled)
     {
-      if (dialog->pop_up_authentication_popup)
+      if (self->pop_up_authentication_popup)
         {
-          pop_up_authentication_popup (dialog);
-          dialog->pop_up_authentication_popup = FALSE;
+          pop_up_authentication_popup (self);
+          self->pop_up_authentication_popup = FALSE;
         }
 
-      dialog->jobs_filled = TRUE;
+      self->jobs_filled = TRUE;
     }
 }
 
 static void
-update_jobs_list (PpJobsDialog *dialog)
+update_jobs_list (PpJobsDialog *self)
 {
   PpPrinter *printer;
 
-  if (dialog->printer_name != NULL)
+  if (self->printer_name != NULL)
     {
-      g_cancellable_cancel (dialog->get_jobs_cancellable);
-      g_clear_object (&dialog->get_jobs_cancellable);
+      g_cancellable_cancel (self->get_jobs_cancellable);
+      g_clear_object (&self->get_jobs_cancellable);
 
-      dialog->get_jobs_cancellable = g_cancellable_new ();
+      self->get_jobs_cancellable = g_cancellable_new ();
 
-      printer = pp_printer_new (dialog->printer_name);
+      printer = pp_printer_new (self->printer_name);
       pp_printer_get_jobs_async (printer,
                                  TRUE,
                                  CUPS_WHICHJOBS_ACTIVE,
-                                 dialog->get_jobs_cancellable,
+                                 self->get_jobs_cancellable,
                                  update_jobs_list_cb,
-                                 dialog);
+                                 self);
     }
 }
 
@@ -441,28 +441,28 @@ jobs_dialog_response_cb (GtkDialog *dialog,
                          gint       response_id,
                          gpointer   user_data)
 {
-  PpJobsDialog *jobs_dialog = (PpJobsDialog*) user_data;
+  PpJobsDialog *self = (PpJobsDialog*) user_data;
 
-  pp_jobs_dialog_hide (jobs_dialog);
+  pp_jobs_dialog_hide (self);
 
-  jobs_dialog->user_callback (GTK_DIALOG (jobs_dialog->dialog),
-                              response_id,
-                              jobs_dialog->user_data);
+  self->user_callback (GTK_DIALOG (self->dialog),
+                       response_id,
+                       self->user_data);
 }
 
 static void
 on_clear_all_button_clicked (GtkButton *button,
                              gpointer   user_data)
 {
-  PpJobsDialog *dialog = user_data;
+  PpJobsDialog *self = user_data;
   guint num_items;
   guint i;
 
-  num_items = g_list_model_get_n_items (G_LIST_MODEL (dialog->store));
+  num_items = g_list_model_get_n_items (G_LIST_MODEL (self->store));
 
   for (i = 0; i < num_items; i++)
     {
-      PpJob *job = PP_JOB (g_list_model_get_item (G_LIST_MODEL (dialog->store), i));
+      PpJob *job = PP_JOB (g_list_model_get_item (G_LIST_MODEL (self->store), i));
 
       pp_job_cancel_purge_async (job, FALSE);
     }
@@ -473,7 +473,7 @@ pp_job_authenticate_cb (GObject      *source_object,
                         GAsyncResult *res,
                         gpointer      user_data)
 {
-  PpJobsDialog     *dialog = user_data;
+  PpJobsDialog     *self = user_data;
   gboolean          result;
   g_autoptr(GError) error = NULL;
   PpJob            *job = PP_JOB (source_object);
@@ -481,7 +481,7 @@ pp_job_authenticate_cb (GObject      *source_object,
   result = pp_job_authenticate_finish (job, res, &error);
   if (result)
     {
-      pp_jobs_dialog_update (dialog);
+      pp_jobs_dialog_update (self);
     }
   else if (error != NULL)
     {
@@ -496,7 +496,7 @@ static void
 authenticate_button_clicked (GtkWidget *button,
                              gpointer   user_data)
 {
-  PpJobsDialog *dialog = user_data;
+  PpJobsDialog *self = user_data;
   GtkWidget    *widget;
   PpJob        *job;
   gchar       **auth_info_required = NULL;
@@ -504,15 +504,15 @@ authenticate_button_clicked (GtkWidget *button,
   guint         num_items;
   gint          i;
 
-  auth_info = g_new0 (gchar *, g_strv_length (dialog->actual_auth_info_required) + 1);
-  for (i = 0; dialog->actual_auth_info_required[i] != NULL; i++)
+  auth_info = g_new0 (gchar *, g_strv_length (self->actual_auth_info_required) + 1);
+  for (i = 0; self->actual_auth_info_required[i] != NULL; i++)
     {
-      if (g_strcmp0 (dialog->actual_auth_info_required[i], "domain") == 0)
-        widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "domain-entry"));
-      else if (g_strcmp0 (dialog->actual_auth_info_required[i], "username") == 0)
-        widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "username-entry"));
-      else if (g_strcmp0 (dialog->actual_auth_info_required[i], "password") == 0)
-        widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "password-entry"));
+      if (g_strcmp0 (self->actual_auth_info_required[i], "domain") == 0)
+        widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "domain-entry"));
+      else if (g_strcmp0 (self->actual_auth_info_required[i], "username") == 0)
+        widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "username-entry"));
+      else if (g_strcmp0 (self->actual_auth_info_required[i], "password") == 0)
+        widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "password-entry"));
       else
         widget = NULL;
 
@@ -520,15 +520,15 @@ authenticate_button_clicked (GtkWidget *button,
         auth_info[i] = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
     }
 
-  num_items = g_list_model_get_n_items (G_LIST_MODEL (dialog->store));
+  num_items = g_list_model_get_n_items (G_LIST_MODEL (self->store));
   for (i = 0; i < num_items; i++)
     {
-      job = PP_JOB (g_list_model_get_item (G_LIST_MODEL (dialog->store), i));
+      job = PP_JOB (g_list_model_get_item (G_LIST_MODEL (self->store), i));
 
       g_object_get (job, "auth-info-required", &auth_info_required, NULL);
       if (auth_info_required != NULL)
         {
-          pp_job_authenticate_async (job, auth_info, NULL, pp_job_authenticate_cb, dialog);
+          pp_job_authenticate_async (job, auth_info, NULL, pp_job_authenticate_cb, self);
 
           g_strfreev (auth_info_required);
           auth_info_required = NULL;
@@ -555,7 +555,7 @@ pp_jobs_dialog_new (GtkWindow            *parent,
                     gpointer              user_data,
                     gchar                *printer_name)
 {
-  PpJobsDialog     *dialog;
+  PpJobsDialog     *self;
   GtkWidget        *widget;
   g_autoptr(GError) error = NULL;
   gchar            *objects[] = { "jobs-dialog", "authentication_popover", NULL };
@@ -563,12 +563,12 @@ pp_jobs_dialog_new (GtkWindow            *parent,
   guint             builder_result;
   gchar            *title;
 
-  dialog = g_new0 (PpJobsDialog, 1);
+  self = g_new0 (PpJobsDialog, 1);
 
-  dialog->builder = gtk_builder_new ();
-  dialog->parent = GTK_WIDGET (parent);
+  self->builder = gtk_builder_new ();
+  self->parent = GTK_WIDGET (parent);
 
-  builder_result = gtk_builder_add_objects_from_resource (dialog->builder,
+  builder_result = gtk_builder_add_objects_from_resource (self->builder,
                                                           
"/org/gnome/control-center/printers/jobs-dialog.ui",
                                                           objects, &error);
 
@@ -578,109 +578,108 @@ pp_jobs_dialog_new (GtkWindow            *parent,
       return NULL;
     }
 
-  dialog->dialog = (GtkWidget *) gtk_builder_get_object (dialog->builder, "jobs-dialog");
-  dialog->user_callback = user_callback;
-  dialog->user_data = user_data;
-  dialog->printer_name = g_strdup (printer_name);
-  dialog->actual_auth_info_required = NULL;
-  dialog->jobs_filled = FALSE;
-  dialog->pop_up_authentication_popup = FALSE;
+  self->dialog = (GtkWidget *) gtk_builder_get_object (self->builder, "jobs-dialog");
+  self->user_callback = user_callback;
+  self->user_data = user_data;
+  self->printer_name = g_strdup (printer_name);
+  self->actual_auth_info_required = NULL;
+  self->jobs_filled = FALSE;
+  self->pop_up_authentication_popup = FALSE;
 
   /* connect signals */
-  g_signal_connect (dialog->dialog, "delete-event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
-  g_signal_connect (dialog->dialog, "response", G_CALLBACK (jobs_dialog_response_cb), dialog);
-  g_signal_connect (dialog->dialog, "key-press-event", G_CALLBACK (key_press_event_cb), NULL);
+  g_signal_connect (self->dialog, "delete-event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
+  g_signal_connect (self->dialog, "response", G_CALLBACK (jobs_dialog_response_cb), self);
+  g_signal_connect (self->dialog, "key-press-event", G_CALLBACK (key_press_event_cb), NULL);
 
-  widget = GTK_WIDGET (gtk_builder_get_object (dialog->builder, "jobs-clear-all-button"));
-  g_signal_connect (widget, "clicked", G_CALLBACK (on_clear_all_button_clicked), dialog);
+  widget = GTK_WIDGET (gtk_builder_get_object (self->builder, "jobs-clear-all-button"));
+  g_signal_connect (widget, "clicked", G_CALLBACK (on_clear_all_button_clicked), self);
 
-  widget = GTK_WIDGET (gtk_builder_get_object (dialog->builder, "authenticate-button"));
-  g_signal_connect (widget, "clicked", G_CALLBACK (authenticate_button_clicked), dialog);
+  widget = GTK_WIDGET (gtk_builder_get_object (self->builder, "authenticate-button"));
+  g_signal_connect (widget, "clicked", G_CALLBACK (authenticate_button_clicked), self);
 
-  widget = GTK_WIDGET (gtk_builder_get_object (dialog->builder, "domain-entry"));
-  g_signal_connect (widget, "changed", G_CALLBACK (auth_entries_changed), dialog);
-  g_signal_connect (widget, "activate", G_CALLBACK (auth_entries_activated), dialog);
+  widget = GTK_WIDGET (gtk_builder_get_object (self->builder, "domain-entry"));
+  g_signal_connect (widget, "changed", G_CALLBACK (auth_entries_changed), self);
+  g_signal_connect (widget, "activate", G_CALLBACK (auth_entries_activated), self);
 
-  widget = GTK_WIDGET (gtk_builder_get_object (dialog->builder, "username-entry"));
-  g_signal_connect (widget, "changed", G_CALLBACK (auth_entries_changed), dialog);
-  g_signal_connect (widget, "activate", G_CALLBACK (auth_entries_activated), dialog);
+  widget = GTK_WIDGET (gtk_builder_get_object (self->builder, "username-entry"));
+  g_signal_connect (widget, "changed", G_CALLBACK (auth_entries_changed), self);
+  g_signal_connect (widget, "activate", G_CALLBACK (auth_entries_activated), self);
 
-  widget = GTK_WIDGET (gtk_builder_get_object (dialog->builder, "password-entry"));
-  g_signal_connect (widget, "changed", G_CALLBACK (auth_entries_changed), dialog);
-  g_signal_connect (widget, "activate", G_CALLBACK (auth_entries_activated), dialog);
+  widget = GTK_WIDGET (gtk_builder_get_object (self->builder, "password-entry"));
+  g_signal_connect (widget, "changed", G_CALLBACK (auth_entries_changed), self);
+  g_signal_connect (widget, "activate", G_CALLBACK (auth_entries_activated), self);
 
   /* Translators: This is the printer name for which we are showing the active jobs */
   title = g_strdup_printf (C_("Printer jobs dialog title", "%s — Active Jobs"), printer_name);
-  gtk_window_set_title (GTK_WINDOW (dialog->dialog), title);
+  gtk_window_set_title (GTK_WINDOW (self->dialog), title);
   g_free (title);
 
   /* Translators: The printer needs authentication info to print. */
   text = g_strdup_printf (_("Enter credentials to print from %s."), printer_name);
-  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (dialog->builder), "authentication-label"));
+  widget = GTK_WIDGET (gtk_builder_get_object (GTK_BUILDER (self->builder), "authentication-label"));
   gtk_label_set_text (GTK_LABEL (widget), text);
   g_free (text);
 
-  dialog->listbox = GTK_LIST_BOX (gtk_builder_get_object (dialog->builder, "jobs-listbox"));
-  gtk_list_box_set_header_func (dialog->listbox,
+  self->listbox = GTK_LIST_BOX (gtk_builder_get_object (self->builder, "jobs-listbox"));
+  gtk_list_box_set_header_func (self->listbox,
                                 cc_list_box_update_header_func, NULL, NULL);
-  dialog->store = g_list_store_new (pp_job_get_type ());
-  gtk_list_box_bind_model (dialog->listbox, G_LIST_MODEL (dialog->store),
+  self->store = g_list_store_new (pp_job_get_type ());
+  gtk_list_box_bind_model (self->listbox, G_LIST_MODEL (self->store),
                            create_listbox_row, NULL, NULL);
 
-  update_jobs_list (dialog);
+  update_jobs_list (self);
 
-  gtk_window_set_transient_for (GTK_WINDOW (dialog->dialog), GTK_WINDOW (parent));
-  gtk_window_present (GTK_WINDOW (dialog->dialog));
-  gtk_widget_show_all (GTK_WIDGET (dialog->dialog));
+  gtk_window_set_transient_for (GTK_WINDOW (self->dialog), GTK_WINDOW (parent));
+  gtk_window_present (GTK_WINDOW (self->dialog));
+  gtk_widget_show_all (GTK_WIDGET (self->dialog));
 
-  return dialog;
+  return self;
 }
 
 void
-pp_jobs_dialog_update (PpJobsDialog *dialog)
+pp_jobs_dialog_update (PpJobsDialog *self)
 {
-  update_jobs_list (dialog);
+  update_jobs_list (self);
 }
 
 void
-pp_jobs_dialog_set_callback (PpJobsDialog         *dialog,
+pp_jobs_dialog_set_callback (PpJobsDialog         *self,
                              UserResponseCallback  user_callback,
                              gpointer              user_data)
 {
-  if (dialog != NULL)
-    {
-      dialog->user_callback = user_callback;
-      dialog->user_data = user_data;
-    }
+  g_return_if_fail (self != NULL);
+
+  self->user_callback = user_callback;
+  self->user_data = user_data;
 }
 
 void
-pp_jobs_dialog_free (PpJobsDialog *dialog)
+pp_jobs_dialog_free (PpJobsDialog *self)
 {
-  g_cancellable_cancel (dialog->get_jobs_cancellable);
-  g_clear_object (&dialog->get_jobs_cancellable);
+  g_cancellable_cancel (self->get_jobs_cancellable);
+  g_clear_object (&self->get_jobs_cancellable);
 
-  gtk_widget_destroy (GTK_WIDGET (dialog->dialog));
-  dialog->dialog = NULL;
+  gtk_widget_destroy (GTK_WIDGET (self->dialog));
+  self->dialog = NULL;
 
-  g_strfreev (dialog->actual_auth_info_required);
+  g_strfreev (self->actual_auth_info_required);
 
-  g_clear_object (&dialog->builder);
-  g_free (dialog->printer_name);
-  g_free (dialog);
+  g_clear_object (&self->builder);
+  g_free (self->printer_name);
+  g_free (self);
 }
 
 static void
-pp_jobs_dialog_hide (PpJobsDialog *dialog)
+pp_jobs_dialog_hide (PpJobsDialog *self)
 {
-  gtk_widget_hide (GTK_WIDGET (dialog->dialog));
+  gtk_widget_hide (GTK_WIDGET (self->dialog));
 }
 
 void
-pp_jobs_dialog_authenticate_jobs (PpJobsDialog *dialog)
+pp_jobs_dialog_authenticate_jobs (PpJobsDialog *self)
 {
-  if (dialog->jobs_filled)
-    pop_up_authentication_popup (dialog);
+  if (self->jobs_filled)
+    pop_up_authentication_popup (self);
   else
-    dialog->pop_up_authentication_popup = TRUE;
+    self->pop_up_authentication_popup = TRUE;
 }
diff --git a/panels/printers/pp-maintenance-command.c b/panels/printers/pp-maintenance-command.c
index 60dea4d80..ae59b7ce6 100644
--- a/panels/printers/pp-maintenance-command.c
+++ b/panels/printers/pp-maintenance-command.c
@@ -171,7 +171,7 @@ pp_maintenance_command_class_init (PpMaintenanceCommandClass *klass)
 }
 
 static void
-pp_maintenance_command_init (PpMaintenanceCommand *command)
+pp_maintenance_command_init (PpMaintenanceCommand *self)
 {
 }
 
@@ -198,11 +198,11 @@ _pp_maintenance_command_execute_thread (GTask        *task,
                                         gpointer      task_data,
                                         GCancellable *cancellable)
 {
-  PpMaintenanceCommand        *command = PP_MAINTENANCE_COMMAND (source_object);
+  PpMaintenanceCommand        *self = PP_MAINTENANCE_COMMAND (source_object);
   gboolean                     success = FALSE;
   GError                      *error = NULL;
 
-  if (_pp_maintenance_command_is_supported (command->printer_name, command->command))
+  if (_pp_maintenance_command_is_supported (self->printer_name, self->command))
     {
       ipp_t *request;
       ipp_t *response = NULL;
@@ -211,14 +211,14 @@ _pp_maintenance_command_execute_thread (GTask        *task,
       int    fd = -1;
 
       printer_uri = g_strdup_printf ("ipp://localhost/printers/%s",
-                                     command->printer_name);
+                                     self->printer_name);
 
       request = ippNewRequest (IPP_PRINT_JOB);
 
       ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_URI,
                     "printer-uri", NULL, printer_uri);
       ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_NAME,
-                    "job-name", NULL, command->title);
+                    "job-name", NULL, self->title);
       ippAddString (request, IPP_TAG_JOB, IPP_TAG_MIMETYPE,
                     "document-format", NULL, "application/vnd.cups-command");
 
@@ -230,9 +230,9 @@ _pp_maintenance_command_execute_thread (GTask        *task,
 
           file = fdopen (fd, "w");
           fprintf (file, "#CUPS-COMMAND\n");
-          fprintf (file, "%s", command->command);
-          if (command->parameters)
-            fprintf (file, " %s", command->parameters);
+          fprintf (file, "%s", self->command);
+          if (self->parameters)
+            fprintf (file, " %s", self->parameters);
           fprintf (file, "\n");
           fclose (file);
 
@@ -270,14 +270,14 @@ _pp_maintenance_command_execute_thread (GTask        *task,
 }
 
 void
-pp_maintenance_command_execute_async (PpMaintenanceCommand *command,
+pp_maintenance_command_execute_async (PpMaintenanceCommand *self,
                                       GCancellable         *cancellable,
                                       GAsyncReadyCallback   callback,
                                       gpointer              user_data)
 {
   GTask *task;
 
-  task = g_task_new (command, cancellable, callback, user_data);
+  task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_check_cancellable (task, TRUE);
   g_task_run_in_thread (task, _pp_maintenance_command_execute_thread);
 
@@ -285,11 +285,11 @@ pp_maintenance_command_execute_async (PpMaintenanceCommand *command,
 }
 
 gboolean
-pp_maintenance_command_execute_finish (PpMaintenanceCommand  *command,
+pp_maintenance_command_execute_finish (PpMaintenanceCommand  *self,
                                        GAsyncResult          *result,
                                        GError               **error)
 {
-  g_return_val_if_fail (g_task_is_valid (result, command), FALSE);
+  g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
 
   return g_task_propagate_boolean (G_TASK (result), error);
 }
@@ -368,22 +368,22 @@ _pp_maintenance_command_is_supported_thread (GTask        *task,
                                              gpointer      task_data,
                                              GCancellable *cancellable)
 {
-  PpMaintenanceCommand        *command = PP_MAINTENANCE_COMMAND (source_object);
+  PpMaintenanceCommand        *self = PP_MAINTENANCE_COMMAND (source_object);
   gboolean                     success = FALSE;
 
-  success = _pp_maintenance_command_is_supported (command->printer_name, command->command);
+  success = _pp_maintenance_command_is_supported (self->printer_name, self->command);
   g_task_return_boolean (task, success);
 }
 
 void
-pp_maintenance_command_is_supported_async  (PpMaintenanceCommand *command,
+pp_maintenance_command_is_supported_async  (PpMaintenanceCommand *self,
                                             GCancellable         *cancellable,
                                             GAsyncReadyCallback   callback,
                                             gpointer              user_data)
 {
   GTask *task;
 
-  task = g_task_new (command, cancellable, callback, user_data);
+  task = g_task_new (self, cancellable, callback, user_data);
   g_task_set_check_cancellable (task, TRUE);
   g_task_run_in_thread (task, _pp_maintenance_command_is_supported_thread);
 
@@ -391,11 +391,11 @@ pp_maintenance_command_is_supported_async  (PpMaintenanceCommand *command,
 }
 
 gboolean
-pp_maintenance_command_is_supported_finish (PpMaintenanceCommand  *command,
+pp_maintenance_command_is_supported_finish (PpMaintenanceCommand  *self,
                                             GAsyncResult          *result,
                                             GError               **error)
 {
-  g_return_val_if_fail (g_task_is_valid (result, command), FALSE);
+  g_return_val_if_fail (g_task_is_valid (result, self), FALSE);
 
   return g_task_propagate_boolean (G_TASK (result), error);
 }
diff --git a/panels/printers/pp-new-printer-dialog.c b/panels/printers/pp-new-printer-dialog.c
index e7335b913..bf2769333 100644
--- a/panels/printers/pp-new-printer-dialog.c
+++ b/panels/printers/pp-new-printer-dialog.c
@@ -53,18 +53,18 @@
  */
 #define HOST_SEARCH_DELAY (500 - 150)
 
-#define WID(s) GTK_WIDGET (gtk_builder_get_object (dialog->builder, s))
+#define WID(s) GTK_WIDGET (gtk_builder_get_object (self->builder, s))
 
 #define AUTHENTICATION_PAGE "authentication-page"
 #define ADDPRINTER_PAGE "addprinter-page"
 
-static void     set_device (PpNewPrinterDialog *dialog,
+static void     set_device (PpNewPrinterDialog *self,
                             PpPrintDevice      *device,
                             GtkTreeIter        *iter);
-static void     replace_device (PpNewPrinterDialog *dialog,
+static void     replace_device (PpNewPrinterDialog *self,
                                 PpPrintDevice      *old_device,
                                 PpPrintDevice      *new_device);
-static void     populate_devices_list (PpNewPrinterDialog *dialog);
+static void     populate_devices_list (PpNewPrinterDialog *self);
 static void     search_entry_activated_cb (GtkEntry *entry,
                                            gpointer  user_data);
 static void     search_entry_changed_cb (GtkSearchEntry *entry,
@@ -72,10 +72,10 @@ static void     search_entry_changed_cb (GtkSearchEntry *entry,
 static void     new_printer_dialog_response_cb (GtkDialog *_dialog,
                                                 gint       response_id,
                                                 gpointer   user_data);
-static void     update_dialog_state (PpNewPrinterDialog *dialog);
-static void     add_devices_to_list (PpNewPrinterDialog  *dialog,
+static void     update_dialog_state (PpNewPrinterDialog *self);
+static void     add_devices_to_list (PpNewPrinterDialog  *self,
                                      GList               *devices);
-static void     remove_device_from_list (PpNewPrinterDialog *dialog,
+static void     remove_device_from_list (PpNewPrinterDialog *self,
                                          const gchar        *device_name);
 
 enum
@@ -192,38 +192,38 @@ PpNewPrinterDialog *
 pp_new_printer_dialog_new (GtkWindow *parent,
                            PPDList   *ppd_list)
 {
-  PpNewPrinterDialog        *dialog;
+  PpNewPrinterDialog *self;
 
-  dialog = g_object_new (PP_TYPE_NEW_PRINTER_DIALOG, NULL);
+  self = g_object_new (PP_TYPE_NEW_PRINTER_DIALOG, NULL);
 
-  dialog->list = ppd_list_copy (ppd_list);
-  dialog->parent = parent;
+  self->list = ppd_list_copy (ppd_list);
+  self->parent = parent;
 
-  gtk_window_set_transient_for (GTK_WINDOW (dialog->dialog), GTK_WINDOW (parent));
+  gtk_window_set_transient_for (GTK_WINDOW (self->dialog), GTK_WINDOW (parent));
 
-  gtk_widget_show_all (dialog->dialog);
+  gtk_widget_show_all (self->dialog);
 
-  return PP_NEW_PRINTER_DIALOG (dialog);
+  return PP_NEW_PRINTER_DIALOG (self);
 }
 
 void
-pp_new_printer_dialog_set_ppd_list (PpNewPrinterDialog *dialog,
+pp_new_printer_dialog_set_ppd_list (PpNewPrinterDialog *self,
                                     PPDList            *list)
 {
-  dialog->list = ppd_list_copy (list);
+  self->list = ppd_list_copy (list);
 
-  if (dialog->ppd_selection_dialog)
-    pp_ppd_selection_dialog_set_ppd_list (dialog->ppd_selection_dialog, dialog->list);
+  if (self->ppd_selection_dialog)
+    pp_ppd_selection_dialog_set_ppd_list (self->ppd_selection_dialog, self->list);
 }
 
 static void
-emit_pre_response (PpNewPrinterDialog *dialog,
+emit_pre_response (PpNewPrinterDialog *self,
                    const gchar        *device_name,
                    const gchar        *device_location,
                    const gchar        *device_make_and_model,
                    gboolean            network_device)
 {
-  g_signal_emit (dialog,
+  g_signal_emit (self,
                  signals[PRE_RESPONSE],
                  0,
                  device_name,
@@ -233,10 +233,10 @@ emit_pre_response (PpNewPrinterDialog *dialog,
 }
 
 static void
-emit_response (PpNewPrinterDialog *dialog,
+emit_response (PpNewPrinterDialog *self,
                gint                response_id)
 {
-  g_signal_emit (dialog, signals[RESPONSE], 0, response_id);
+  g_signal_emit (self, signals[RESPONSE], 0, response_id);
 }
 
 typedef struct
@@ -250,10 +250,10 @@ get_authenticated_samba_devices_cb (GObject      *source_object,
                                     GAsyncResult *res,
                                     gpointer      user_data)
 {
-  PpNewPrinterDialog        *dialog;
+  AuthSMBData               *data = user_data;
+  PpNewPrinterDialog        *self = PP_NEW_PRINTER_DIALOG (data->dialog);
   PpDevicesList             *result;
   PpPrintDevice             *device;
-  AuthSMBData               *data;
   GtkWidget                 *widget;
   gboolean                   cancelled = FALSE;
   PpSamba                   *samba = (PpSamba *) source_object;
@@ -265,13 +265,9 @@ get_authenticated_samba_devices_cb (GObject      *source_object,
   result = pp_samba_get_devices_finish (samba, res, &error);
   g_object_unref (source_object);
 
-  data = (AuthSMBData *) user_data;
-
   if (result != NULL)
     {
-      dialog = PP_NEW_PRINTER_DIALOG (data->dialog);
-
-      dialog->samba_authenticated_searching = FALSE;
+      self->samba_authenticated_searching = FALSE;
 
       for (iter = result->devices; iter; iter = iter->next)
         {
@@ -288,19 +284,19 @@ get_authenticated_samba_devices_cb (GObject      *source_object,
 
           if (result->devices != NULL)
             {
-              add_devices_to_list (dialog, result->devices);
+              add_devices_to_list (self, result->devices);
 
               device = (PpPrintDevice *) result->devices->data;
               if (device != NULL)
                 {
                   widget = WID ("search-entry");
                   gtk_entry_set_text (GTK_ENTRY (widget), pp_print_device_get_device_location (device));
-                  search_entry_activated_cb (GTK_ENTRY (widget), dialog);
+                  search_entry_activated_cb (GTK_ENTRY (widget), self);
                 }
             }
         }
 
-      update_dialog_state (dialog);
+      update_dialog_state (self);
 
       pp_devices_list_free (result);
     }
@@ -308,12 +304,10 @@ get_authenticated_samba_devices_cb (GObject      *source_object,
     {
       if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         {
-          dialog = PP_NEW_PRINTER_DIALOG (data->dialog);
-
           g_warning ("%s", error->message);
 
-          dialog->samba_authenticated_searching = FALSE;
-          update_dialog_state (dialog);
+          self->samba_authenticated_searching = FALSE;
+          update_dialog_state (self);
         }
     }
 
@@ -322,7 +316,7 @@ get_authenticated_samba_devices_cb (GObject      *source_object,
 }
 
 static void
-go_to_page (PpNewPrinterDialog *dialog,
+go_to_page (PpNewPrinterDialog *self,
             const gchar        *page)
 {
   GtkStack                  *stack;
@@ -339,7 +333,7 @@ go_to_page (PpNewPrinterDialog *dialog,
 
 static gchar *
 get_entry_text (const gchar        *object_name,
-                PpNewPrinterDialog *dialog)
+                PpNewPrinterDialog *self)
 {
   return g_strdup (gtk_entry_get_text (GTK_ENTRY (WID (object_name))));
 }
@@ -348,13 +342,13 @@ static void
 on_authenticate (GtkWidget *button,
                  gpointer   user_data)
 {
-  PpNewPrinterDialog        *dialog = PP_NEW_PRINTER_DIALOG (user_data);
+  PpNewPrinterDialog        *self = user_data;
   gchar                     *hostname = NULL;
   gchar                     *username = NULL;
   gchar                     *password = NULL;
 
-  username = get_entry_text ("username-entry", dialog);
-  password = get_entry_text ("password-entry", dialog);
+  username = get_entry_text ("username-entry", self);
+  password = get_entry_text ("password-entry", self);
 
   if ((username == NULL) || (username[0] == '\0') ||
       (password == NULL) || (password[0] == '\0'))
@@ -364,20 +358,20 @@ on_authenticate (GtkWidget *button,
       return;
     }
 
-  pp_samba_set_auth_info (PP_SAMBA (dialog->samba_host), username, password);
+  pp_samba_set_auth_info (PP_SAMBA (self->samba_host), username, password);
 
   gtk_header_bar_set_title (GTK_HEADER_BAR (WID ("headerbar")), _("Add Printer"));
-  go_to_page (dialog, ADDPRINTER_PAGE);
+  go_to_page (self, ADDPRINTER_PAGE);
 
-  g_object_get (PP_HOST (dialog->samba_host), "hostname", &hostname, NULL);
-  remove_device_from_list (dialog, hostname);
+  g_object_get (PP_HOST (self->samba_host), "hostname", &hostname, NULL);
+  remove_device_from_list (self, hostname);
 }
 
 static void
 on_authentication_required (PpHost   *host,
                             gpointer  user_data)
 {
-  PpNewPrinterDialog        *dialog = PP_NEW_PRINTER_DIALOG (user_data);
+  PpNewPrinterDialog        *self = user_data;
   gchar                     *text, *hostname;
 
   gtk_header_bar_set_subtitle (GTK_HEADER_BAR (WID ("headerbar")), NULL);
@@ -395,22 +389,22 @@ on_authentication_required (PpHost   *host,
   g_free (hostname);
   g_free (text);
 
-  go_to_page (dialog, AUTHENTICATION_PAGE);
+  go_to_page (self, AUTHENTICATION_PAGE);
 
-  g_signal_connect (WID ("authenticate-button"), "clicked", G_CALLBACK (on_authenticate), dialog);
+  g_signal_connect (WID ("authenticate-button"), "clicked", G_CALLBACK (on_authenticate), self);
 }
 
 static void
 auth_entries_changed (GtkEditable *editable,
                       gpointer     user_data)
 {
-  PpNewPrinterDialog        *dialog = PP_NEW_PRINTER_DIALOG (user_data);
+  PpNewPrinterDialog        *self = user_data;
   gboolean                   can_authenticate = FALSE;
   gchar                     *username = NULL;
   gchar                     *password = NULL;
 
-  username = get_entry_text ("username-entry", dialog);
-  password = get_entry_text ("password-entry", dialog);
+  username = get_entry_text ("username-entry", self);
+  password = get_entry_text ("password-entry", self);
 
   can_authenticate = (username != NULL && username[0] != '\0' &&
                       password != NULL && password[0] != '\0');
@@ -425,23 +419,23 @@ static void
 on_go_back_button_clicked (GtkButton *button,
                            gpointer   user_data)
 {
-  PpNewPrinterDialog        *dialog = PP_NEW_PRINTER_DIALOG (user_data);
+  PpNewPrinterDialog        *self = user_data;
 
-  pp_samba_set_auth_info (dialog->samba_host, NULL, NULL);
-  g_clear_object (&dialog->samba_host);
+  pp_samba_set_auth_info (self->samba_host, NULL, NULL);
+  g_clear_object (&self->samba_host);
 
-  go_to_page (dialog, ADDPRINTER_PAGE);
+  go_to_page (self, ADDPRINTER_PAGE);
   gtk_header_bar_set_title (GTK_HEADER_BAR (WID ("headerbar")), _("Add Printer"));
   gtk_widget_set_sensitive (WID ("new-printer-add-button"), FALSE);
 
-  gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (dialog->treeview));
+  gtk_tree_selection_unselect_all (gtk_tree_view_get_selection (self->treeview));
 }
 
 static void
 authenticate_samba_server (GtkButton *button,
                            gpointer   user_data)
 {
-  PpNewPrinterDialog        *dialog = (PpNewPrinterDialog *) user_data;
+  PpNewPrinterDialog        *self = user_data;
   GtkTreeModel              *model;
   GtkTreeIter                iter;
   AuthSMBData               *data;
@@ -451,7 +445,7 @@ authenticate_samba_server (GtkButton *button,
   gtk_widget_set_sensitive (WID ("authenticate-button"), FALSE);
   gtk_widget_grab_focus (WID ("username-entry"));
 
-  if (gtk_tree_selection_get_selected (gtk_tree_view_get_selection (dialog->treeview), &model, &iter))
+  if (gtk_tree_selection_get_selected (gtk_tree_view_get_selection (self->treeview), &model, &iter))
     {
       gtk_tree_model_get (model, &iter,
                           DEVICE_NAME_COLUMN, &server_name,
@@ -459,24 +453,24 @@ authenticate_samba_server (GtkButton *button,
 
       if (server_name != NULL)
         {
-          g_clear_object (&dialog->samba_host);
+          g_clear_object (&self->samba_host);
 
-          dialog->samba_host = pp_samba_new (server_name);
-          g_signal_connect_object (dialog->samba_host,
+          self->samba_host = pp_samba_new (server_name);
+          g_signal_connect_object (self->samba_host,
                                    "authentication-required",
                                    G_CALLBACK (on_authentication_required),
-                                   dialog, 0);
+                                   self, 0);
 
-          dialog->samba_authenticated_searching = TRUE;
-          update_dialog_state (dialog);
+          self->samba_authenticated_searching = TRUE;
+          update_dialog_state (self);
 
           data = g_new (AuthSMBData, 1);
           data->server_name = server_name;
-          data->dialog = dialog;
+          data->dialog = self;
 
-          pp_samba_get_devices_async (dialog->samba_host,
+          pp_samba_get_devices_async (self->samba_host,
                                       TRUE,
-                                      dialog->cancellable,
+                                      self->cancellable,
                                       get_authenticated_samba_devices_cb,
                                       data);
         }
@@ -488,7 +482,7 @@ stack_key_press_cb (GtkWidget *widget,
                     GdkEvent  *event,
                     gpointer   user_data)
 {
-  PpNewPrinterDialog        *dialog = (PpNewPrinterDialog *) user_data;
+  PpNewPrinterDialog        *self = user_data;
 
   gtk_widget_grab_focus (WID ("search-entry"));
   gtk_main_do_event (event);
@@ -497,7 +491,7 @@ stack_key_press_cb (GtkWidget *widget,
 }
 
 static void
-pp_new_printer_dialog_init (PpNewPrinterDialog *dialog)
+pp_new_printer_dialog_init (PpNewPrinterDialog *self)
 {
   GtkStyleContext           *context;
   GtkWidget                 *widget;
@@ -508,9 +502,9 @@ pp_new_printer_dialog_init (PpNewPrinterDialog *dialog)
                                            NULL };
   guint                      builder_result;
 
-  dialog->builder = gtk_builder_new ();
+  self->builder = gtk_builder_new ();
 
-  builder_result = gtk_builder_add_objects_from_resource (dialog->builder,
+  builder_result = gtk_builder_add_objects_from_resource (self->builder,
                                                           
"/org/gnome/control-center/printers/new-printer-dialog.ui",
                                                           objects, &error);
 
@@ -520,33 +514,33 @@ pp_new_printer_dialog_init (PpNewPrinterDialog *dialog)
     }
 
   /* GCancellable for cancelling of async operations */
-  dialog->cancellable = g_cancellable_new ();
+  self->cancellable = g_cancellable_new ();
 
   /* Construct dialog */
-  dialog->dialog = WID ("dialog");
+  self->dialog = WID ("dialog");
 
-  dialog->treeview = GTK_TREE_VIEW (WID ("devices-treeview"));
+  self->treeview = GTK_TREE_VIEW (WID ("devices-treeview"));
 
-  dialog->store = GTK_LIST_STORE (gtk_builder_get_object (dialog->builder, "devices-liststore"));
+  self->store = GTK_LIST_STORE (gtk_builder_get_object (self->builder, "devices-liststore"));
 
-  dialog->filter = GTK_TREE_MODEL_FILTER (gtk_builder_get_object (dialog->builder, "devices-model-filter"));
+  self->filter = GTK_TREE_MODEL_FILTER (gtk_builder_get_object (self->builder, "devices-model-filter"));
 
   /* Connect signals */
-  g_signal_connect (dialog->dialog, "response", G_CALLBACK (new_printer_dialog_response_cb), dialog);
+  g_signal_connect (self->dialog, "response", G_CALLBACK (new_printer_dialog_response_cb), self);
 
   widget = WID ("search-entry");
-  g_signal_connect (widget, "activate", G_CALLBACK (search_entry_activated_cb), dialog);
-  g_signal_connect (widget, "search-changed", G_CALLBACK (search_entry_changed_cb), dialog);
+  g_signal_connect (widget, "activate", G_CALLBACK (search_entry_activated_cb), self);
+  g_signal_connect (widget, "search-changed", G_CALLBACK (search_entry_changed_cb), self);
 
   widget = WID ("unlock-button");
-  g_signal_connect (widget, "clicked", G_CALLBACK (authenticate_samba_server), dialog);
+  g_signal_connect (widget, "clicked", G_CALLBACK (authenticate_samba_server), self);
 
-  g_signal_connect (WID ("stack"), "key-press-event", G_CALLBACK (stack_key_press_cb), dialog);
+  g_signal_connect (WID ("stack"), "key-press-event", G_CALLBACK (stack_key_press_cb), self);
 
   /* Authentication form widgets */
-  g_signal_connect (WID ("username-entry"), "changed", G_CALLBACK (auth_entries_changed), dialog);
-  g_signal_connect (WID ("password-entry"), "changed", G_CALLBACK (auth_entries_changed), dialog);
-  g_signal_connect (WID ("go-back-button"), "clicked", G_CALLBACK (on_go_back_button_clicked), dialog);
+  g_signal_connect (WID ("username-entry"), "changed", G_CALLBACK (auth_entries_changed), self);
+  g_signal_connect (WID ("password-entry"), "changed", G_CALLBACK (auth_entries_changed), self);
+  g_signal_connect (WID ("go-back-button"), "clicked", G_CALLBACK (on_go_back_button_clicked), self);
 
   /* Set junctions */
   widget = WID ("scrolledwindow1");
@@ -558,7 +552,7 @@ pp_new_printer_dialog_init (PpNewPrinterDialog *dialog)
   gtk_style_context_set_junction_sides (context, GTK_JUNCTION_TOP);
 
   /* Fill with data */
-  populate_devices_list (dialog);
+  populate_devices_list (self);
 }
 
 static void
@@ -570,30 +564,30 @@ free_devices_list (GList *devices)
 static void
 pp_new_printer_dialog_finalize (GObject *object)
 {
-  PpNewPrinterDialog *dialog = PP_NEW_PRINTER_DIALOG (object);
-
-  g_cancellable_cancel (dialog->remote_host_cancellable);
-  g_cancellable_cancel (dialog->cancellable);
-
-  dialog->text_renderer = NULL;
-  dialog->icon_renderer = NULL;
-
-  g_clear_handle_id (&dialog->host_search_timeout_id, g_source_remove);
-  g_clear_object (&dialog->remote_host_cancellable);
-  g_clear_object (&dialog->cancellable);
-  g_clear_pointer (&dialog->dialog, gtk_widget_destroy);
-  g_clear_pointer (&dialog->list, ppd_list_free);
-  g_clear_object (&dialog->builder);
-  g_clear_pointer (&dialog->local_cups_devices, free_devices_list);
-  g_clear_object (&dialog->local_printer_icon);
-  g_clear_object (&dialog->remote_printer_icon);
-  g_clear_object (&dialog->authenticated_server_icon);
-
-  if (dialog->num_of_dests > 0)
+  PpNewPrinterDialog *self = PP_NEW_PRINTER_DIALOG (object);
+
+  g_cancellable_cancel (self->remote_host_cancellable);
+  g_cancellable_cancel (self->cancellable);
+
+  self->text_renderer = NULL;
+  self->icon_renderer = NULL;
+
+  g_clear_handle_id (&self->host_search_timeout_id, g_source_remove);
+  g_clear_object (&self->remote_host_cancellable);
+  g_clear_object (&self->cancellable);
+  g_clear_pointer (&self->dialog, gtk_widget_destroy);
+  g_clear_pointer (&self->list, ppd_list_free);
+  g_clear_object (&self->builder);
+  g_clear_pointer (&self->local_cups_devices, free_devices_list);
+  g_clear_object (&self->local_printer_icon);
+  g_clear_object (&self->remote_printer_icon);
+  g_clear_object (&self->authenticated_server_icon);
+
+  if (self->num_of_dests > 0)
     {
-      cupsFreeDests (dialog->num_of_dests, dialog->dests);
-      dialog->num_of_dests = 0;
-      dialog->dests = NULL;
+      cupsFreeDests (self->num_of_dests, self->dests);
+      self->num_of_dests = 0;
+      self->dests = NULL;
     }
 
   G_OBJECT_CLASS (pp_new_printer_dialog_parent_class)->finalize (object);
@@ -603,7 +597,7 @@ static void
 device_selection_changed_cb (GtkTreeSelection *selection,
                              gpointer          user_data)
 {
-  PpNewPrinterDialog        *dialog = PP_NEW_PRINTER_DIALOG (user_data);
+  PpNewPrinterDialog        *self = user_data;
   GtkTreeModel              *model;
   GtkTreeIter                iter;
   GtkWidget                 *widget;
@@ -611,7 +605,7 @@ device_selection_changed_cb (GtkTreeSelection *selection,
   gboolean                   authentication_needed;
   gboolean                   selected;
 
-  selected = gtk_tree_selection_get_selected (gtk_tree_view_get_selection (dialog->treeview),
+  selected = gtk_tree_selection_get_selected (gtk_tree_view_get_selection (self->treeview),
                                               &model,
                                               &iter);
 
@@ -637,33 +631,33 @@ device_selection_changed_cb (GtkTreeSelection *selection,
 }
 
 static void
-remove_device_from_list (PpNewPrinterDialog *dialog,
+remove_device_from_list (PpNewPrinterDialog *self,
                          const gchar        *device_name)
 {
   PpPrintDevice             *device;
   GtkTreeIter                iter;
   gboolean                   cont;
 
-  cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->store), &iter);
+  cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (self->store), &iter);
   while (cont)
     {
-      gtk_tree_model_get (GTK_TREE_MODEL (dialog->store), &iter,
+      gtk_tree_model_get (GTK_TREE_MODEL (self->store), &iter,
                           DEVICE_COLUMN, &device,
                           -1);
 
       if (g_strcmp0 (pp_print_device_get_device_name (device), device_name) == 0)
         {
-          gtk_list_store_remove (dialog->store, &iter);
+          gtk_list_store_remove (self->store, &iter);
           g_object_unref (device);
           break;
         }
 
       g_object_unref (device);
 
-      cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (dialog->store), &iter);
+      cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (self->store), &iter);
     }
 
-  update_dialog_state (dialog);
+  update_dialog_state (self);
 }
 
 static gboolean
@@ -687,7 +681,7 @@ prepend_original_name (GtkTreeModel *model,
 }
 
 static void
-add_device_to_list (PpNewPrinterDialog *dialog,
+add_device_to_list (PpNewPrinterDialog *self,
                     PpPrintDevice      *device)
 {
   PpPrintDevice             *store_device;
@@ -720,16 +714,16 @@ add_device_to_list (PpNewPrinterDialog *dialog,
                         "device-original-name", pp_print_device_get_device_name (device),
                         NULL);
 
-          gtk_tree_model_foreach (GTK_TREE_MODEL (dialog->store),
+          gtk_tree_model_foreach (GTK_TREE_MODEL (self->store),
                                   prepend_original_name,
                                   &original_names_list);
 
           original_names_list = g_list_reverse (original_names_list);
 
           canonicalized_name = canonicalize_device_name (original_names_list,
-                                                         dialog->local_cups_devices,
-                                                         dialog->dests,
-                                                         dialog->num_of_dests,
+                                                         self->local_cups_devices,
+                                                         self->dests,
+                                                         self->num_of_dests,
                                                          device);
 
           g_list_free_full (original_names_list, g_free);
@@ -742,9 +736,9 @@ add_device_to_list (PpNewPrinterDialog *dialog,
           g_free (canonicalized_name);
 
           if (pp_print_device_get_acquisition_method (device) == ACQUISITION_METHOD_DEFAULT_CUPS_SERVER)
-            dialog->local_cups_devices = g_list_append (dialog->local_cups_devices, g_object_ref (device));
+            self->local_cups_devices = g_list_append (self->local_cups_devices, g_object_ref (device));
           else
-            set_device (dialog, device, NULL);
+            set_device (self, device, NULL);
         }
       else if (pp_print_device_is_authenticated_server (device) &&
                pp_print_device_get_host_name (device) != NULL)
@@ -755,7 +749,7 @@ add_device_to_list (PpNewPrinterDialog *dialog,
                                        "is-authenticated-server", pp_print_device_is_authenticated_server 
(device),
                                        NULL);
 
-          set_device (dialog, store_device, NULL);
+          set_device (self, store_device, NULL);
 
           g_object_unref (store_device);
         }
@@ -763,14 +757,14 @@ add_device_to_list (PpNewPrinterDialog *dialog,
 }
 
 static void
-add_devices_to_list (PpNewPrinterDialog  *dialog,
+add_devices_to_list (PpNewPrinterDialog  *self,
                      GList               *devices)
 {
   GList *iter;
 
   for (iter = devices; iter; iter = iter->next)
     {
-      add_device_to_list (dialog, (PpPrintDevice *) iter->data);
+      add_device_to_list (self, (PpPrintDevice *) iter->data);
     }
 }
 
@@ -824,21 +818,21 @@ device_in_liststore (gchar        *device_uri,
 }
 
 static void
-update_dialog_state (PpNewPrinterDialog *dialog)
+update_dialog_state (PpNewPrinterDialog *self)
 {
   GtkTreeIter                iter;
   GtkWidget                 *header;
   GtkWidget                 *stack;
   gboolean                   searching;
 
-  searching = dialog->cups_searching ||
-              dialog->remote_cups_host != NULL ||
-              dialog->snmp_host != NULL ||
-              dialog->socket_host != NULL ||
-              dialog->lpd_host != NULL ||
-              dialog->samba_host != NULL ||
-              dialog->samba_authenticated_searching ||
-              dialog->samba_searching;
+  searching = self->cups_searching ||
+              self->remote_cups_host != NULL ||
+              self->snmp_host != NULL ||
+              self->socket_host != NULL ||
+              self->lpd_host != NULL ||
+              self->samba_host != NULL ||
+              self->samba_authenticated_searching ||
+              self->samba_searching;
 
   header = WID ("headerbar");
   stack = WID ("stack");
@@ -852,7 +846,7 @@ update_dialog_state (PpNewPrinterDialog *dialog)
       gtk_header_bar_set_subtitle (GTK_HEADER_BAR (header), NULL);
     }
 
-  if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->store), &iter))
+  if (gtk_tree_model_get_iter_first (GTK_TREE_MODEL (self->store), &iter))
       gtk_stack_set_visible_child_name (GTK_STACK (stack), "standard-page");
   else
       gtk_stack_set_visible_child_name (GTK_STACK (stack), searching ? "loading-page" : "no-printers-page");
@@ -862,7 +856,7 @@ static void
 group_physical_devices_cb (gchar    ***device_uris,
                            gpointer    user_data)
 {
-  PpNewPrinterDialog        *dialog = (PpNewPrinterDialog *) user_data;
+  PpNewPrinterDialog        *self = user_data;
   PpPrintDevice             *device, *better_device;
   GList                     *iter;
   gint                       i, j;
@@ -877,7 +871,7 @@ group_physical_devices_cb (gchar    ***device_uris,
               device = NULL;
               for (j = 0; device_uris[i][j] != NULL; j++)
                 {
-                  device = device_in_liststore (device_uris[i][j], dialog->store);
+                  device = device_in_liststore (device_uris[i][j], self->store);
                   if (device != NULL)
                     break;
                 }
@@ -888,8 +882,8 @@ group_physical_devices_cb (gchar    ***device_uris,
                   /* Is there better device in the sublist? */
                   if (j != 0)
                     {
-                      better_device = device_in_list (device_uris[i][0], dialog->local_cups_devices);
-                      replace_device (dialog, device, better_device);
+                      better_device = device_in_list (device_uris[i][0], self->local_cups_devices);
+                      replace_device (self, device, better_device);
                       g_object_unref (better_device);
                     }
 
@@ -897,10 +891,10 @@ group_physical_devices_cb (gchar    ***device_uris,
                 }
               else
                 {
-                  device = device_in_list (device_uris[i][0], dialog->local_cups_devices);
+                  device = device_in_list (device_uris[i][0], self->local_cups_devices);
                   if (device != NULL)
                     {
-                      set_device (dialog, device, NULL);
+                      set_device (self, device, NULL);
                       g_object_unref (device);
                     }
                 }
@@ -914,12 +908,12 @@ group_physical_devices_cb (gchar    ***device_uris,
     }
   else
     {
-      for (iter = dialog->local_cups_devices; iter != NULL; iter = iter->next)
-        set_device (dialog, (PpPrintDevice *) iter->data, NULL);
-      g_clear_pointer (&dialog->local_cups_devices, free_devices_list);
+      for (iter = self->local_cups_devices; iter != NULL; iter = iter->next)
+        set_device (self, (PpPrintDevice *) iter->data, NULL);
+      g_clear_pointer (&self->local_cups_devices, free_devices_list);
     }
 
-  update_dialog_state (dialog);
+  update_dialog_state (self);
 }
 
 static void
@@ -1002,7 +996,7 @@ get_cups_devices_cb (GList    *devices,
                      gboolean  cancelled,
                      gpointer  user_data)
 {
-  PpNewPrinterDialog         *dialog;
+  PpNewPrinterDialog         *self = user_data;
   GDBusConnection            *bus;
   GVariantBuilder             device_list;
   GVariantBuilder             device_hash;
@@ -1019,27 +1013,25 @@ get_cups_devices_cb (GList    *devices,
 
   if (!cancelled)
     {
-      dialog = (PpNewPrinterDialog *) user_data;
-
       if (finished)
         {
-          dialog->cups_searching = FALSE;
+          self->cups_searching = FALSE;
         }
 
       if (devices)
         {
-          add_devices_to_list (dialog, devices);
+          add_devices_to_list (self, devices);
 
-          length = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (dialog->store), NULL) + g_list_length 
(dialog->local_cups_devices);
+          length = gtk_tree_model_iter_n_children (GTK_TREE_MODEL (self->store), NULL) + g_list_length 
(self->local_cups_devices);
           if (length > 0)
             {
               all_devices = g_new0 (PpPrintDevice *, length);
 
               i = 0;
-              cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->store), &iter);
+              cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (self->store), &iter);
               while (cont)
                 {
-                  gtk_tree_model_get (GTK_TREE_MODEL (dialog->store), &iter,
+                  gtk_tree_model_get (GTK_TREE_MODEL (self->store), &iter,
                                       DEVICE_COLUMN, &device,
                                       -1);
 
@@ -1053,10 +1045,10 @@ get_cups_devices_cb (GList    *devices,
 
                   g_object_unref (device);
 
-                  cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (dialog->store), &iter);
+                  cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (self->store), &iter);
                 }
 
-              for (liter = dialog->local_cups_devices; liter != NULL; liter = liter->next)
+              for (liter = self->local_cups_devices; liter != NULL; liter = liter->next)
                 {
                   pp_device = (PpPrintDevice *) liter->data;
                   if (pp_device != NULL)
@@ -1120,9 +1112,9 @@ get_cups_devices_cb (GList    *devices,
                                           G_VARIANT_TYPE ("(aas)"),
                                           G_DBUS_CALL_FLAGS_NONE,
                                           -1,
-                                          dialog->cancellable,
+                                          self->cancellable,
                                           group_physical_devices_dbus_cb,
-                                          dialog);
+                                          self);
                 }
               else
                 {
@@ -1136,12 +1128,12 @@ get_cups_devices_cb (GList    *devices,
             }
           else
             {
-              update_dialog_state (dialog);
+              update_dialog_state (self);
             }
         }
       else
         {
-          update_dialog_state (dialog);
+          update_dialog_state (self);
         }
     }
 
@@ -1153,7 +1145,7 @@ get_snmp_devices_cb (GObject      *source_object,
                      GAsyncResult *res,
                      gpointer      user_data)
 {
-  PpNewPrinterDialog        *dialog;
+  PpNewPrinterDialog        *self = user_data;
   PpHost                    *host = (PpHost *) source_object;
   g_autoptr(GError)          error = NULL;
   PpDevicesList             *result;
@@ -1163,14 +1155,12 @@ get_snmp_devices_cb (GObject      *source_object,
 
   if (result)
     {
-      dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
-      if ((gpointer) source_object == (gpointer) dialog->snmp_host)
-        dialog->snmp_host = NULL;
+      if ((gpointer) source_object == (gpointer) self->snmp_host)
+        self->snmp_host = NULL;
 
-      add_devices_to_list (dialog, result->devices);
+      add_devices_to_list (self, result->devices);
 
-      update_dialog_state (dialog);
+      update_dialog_state (self);
 
       pp_devices_list_free (result);
     }
@@ -1178,14 +1168,12 @@ get_snmp_devices_cb (GObject      *source_object,
     {
       if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         {
-          dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
           g_warning ("%s", error->message);
 
-          if ((gpointer) source_object == (gpointer) dialog->snmp_host)
-            dialog->snmp_host = NULL;
+          if ((gpointer) source_object == (gpointer) self->snmp_host)
+            self->snmp_host = NULL;
 
-          update_dialog_state (dialog);
+          update_dialog_state (self);
         }
     }
 }
@@ -1195,7 +1183,7 @@ get_remote_cups_devices_cb (GObject      *source_object,
                             GAsyncResult *res,
                             gpointer      user_data)
 {
-  PpNewPrinterDialog        *dialog;
+  PpNewPrinterDialog        *self = user_data;
   PpHost                    *host = (PpHost *) source_object;
   g_autoptr(GError)          error = NULL;
   PpDevicesList             *result;
@@ -1205,14 +1193,12 @@ get_remote_cups_devices_cb (GObject      *source_object,
 
   if (result)
     {
-      dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
-      if ((gpointer) source_object == (gpointer) dialog->remote_cups_host)
-        dialog->remote_cups_host = NULL;
+      if ((gpointer) source_object == (gpointer) self->remote_cups_host)
+        self->remote_cups_host = NULL;
 
-      add_devices_to_list (dialog, result->devices);
+      add_devices_to_list (self, result->devices);
 
-      update_dialog_state (dialog);
+      update_dialog_state (self);
 
       pp_devices_list_free (result);
     }
@@ -1220,14 +1206,12 @@ get_remote_cups_devices_cb (GObject      *source_object,
     {
       if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         {
-          dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
           g_warning ("%s", error->message);
 
-          if ((gpointer) source_object == (gpointer) dialog->remote_cups_host)
-            dialog->remote_cups_host = NULL;
+          if ((gpointer) source_object == (gpointer) self->remote_cups_host)
+            self->remote_cups_host = NULL;
 
-          update_dialog_state (dialog);
+          update_dialog_state (self);
         }
     }
 }
@@ -1237,7 +1221,7 @@ get_samba_host_devices_cb (GObject      *source_object,
                            GAsyncResult *res,
                            gpointer      user_data)
 {
-  PpNewPrinterDialog        *dialog;
+  PpNewPrinterDialog        *self = user_data;
   PpDevicesList             *result;
   PpSamba                   *samba = (PpSamba *) source_object;
   g_autoptr(GError)          error = NULL;
@@ -1247,14 +1231,12 @@ get_samba_host_devices_cb (GObject      *source_object,
 
   if (result)
     {
-      dialog = PP_NEW_PRINTER_DIALOG (user_data);
+      if ((gpointer) source_object == (gpointer) self->samba_host)
+        self->samba_host = NULL;
 
-      if ((gpointer) source_object == (gpointer) dialog->samba_host)
-        dialog->samba_host = NULL;
+      add_devices_to_list (self, result->devices);
 
-      add_devices_to_list (dialog, result->devices);
-
-      update_dialog_state (dialog);
+      update_dialog_state (self);
 
       pp_devices_list_free (result);
     }
@@ -1262,14 +1244,12 @@ get_samba_host_devices_cb (GObject      *source_object,
     {
       if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         {
-          dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
           g_warning ("%s", error->message);
 
-          if ((gpointer) source_object == (gpointer) dialog->samba_host)
-            dialog->samba_host = NULL;
+          if ((gpointer) source_object == (gpointer) self->samba_host)
+            self->samba_host = NULL;
 
-          update_dialog_state (dialog);
+          update_dialog_state (self);
         }
     }
 }
@@ -1279,7 +1259,7 @@ get_samba_devices_cb (GObject      *source_object,
                       GAsyncResult *res,
                       gpointer      user_data)
 {
-  PpNewPrinterDialog        *dialog;
+  PpNewPrinterDialog        *self = user_data;
   PpDevicesList             *result;
   PpSamba                   *samba = (PpSamba *) source_object;
   g_autoptr(GError)          error = NULL;
@@ -1289,13 +1269,11 @@ get_samba_devices_cb (GObject      *source_object,
 
   if (result)
     {
-      dialog = PP_NEW_PRINTER_DIALOG (user_data);
+      self->samba_searching = FALSE;
 
-      dialog->samba_searching = FALSE;
+      add_devices_to_list (self, result->devices);
 
-      add_devices_to_list (dialog, result->devices);
-
-      update_dialog_state (dialog);
+      update_dialog_state (self);
 
       pp_devices_list_free (result);
     }
@@ -1303,13 +1281,11 @@ get_samba_devices_cb (GObject      *source_object,
     {
       if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         {
-          dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
           g_warning ("%s", error->message);
 
-          dialog->samba_searching = FALSE;
+          self->samba_searching = FALSE;
 
-          update_dialog_state (dialog);
+          update_dialog_state (self);
         }
     }
 }
@@ -1319,7 +1295,7 @@ get_jetdirect_devices_cb (GObject      *source_object,
                           GAsyncResult *res,
                           gpointer      user_data)
 {
-  PpNewPrinterDialog        *dialog;
+  PpNewPrinterDialog        *self = user_data;
   PpHost                    *host = (PpHost *) source_object;
   g_autoptr(GError)          error = NULL;
   PpDevicesList             *result;
@@ -1329,14 +1305,12 @@ get_jetdirect_devices_cb (GObject      *source_object,
 
   if (result != NULL)
     {
-      dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
-      if ((gpointer) source_object == (gpointer) dialog->socket_host)
-        dialog->socket_host = NULL;
+      if ((gpointer) source_object == (gpointer) self->socket_host)
+        self->socket_host = NULL;
 
-      add_devices_to_list (dialog, result->devices);
+      add_devices_to_list (self, result->devices);
 
-      update_dialog_state (dialog);
+      update_dialog_state (self);
 
       pp_devices_list_free (result);
     }
@@ -1344,14 +1318,12 @@ get_jetdirect_devices_cb (GObject      *source_object,
     {
       if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         {
-          dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
           g_warning ("%s", error->message);
 
-          if ((gpointer) source_object == (gpointer) dialog->socket_host)
-            dialog->socket_host = NULL;
+          if ((gpointer) source_object == (gpointer) self->socket_host)
+            self->socket_host = NULL;
 
-          update_dialog_state (dialog);
+          update_dialog_state (self);
         }
     }
 }
@@ -1361,7 +1333,7 @@ get_lpd_devices_cb (GObject      *source_object,
                     GAsyncResult *res,
                     gpointer      user_data)
 {
-  PpNewPrinterDialog        *dialog;
+  PpNewPrinterDialog        *self = user_data;
   PpHost                    *host = (PpHost *) source_object;
   g_autoptr(GError)          error = NULL;
   PpDevicesList             *result;
@@ -1371,14 +1343,12 @@ get_lpd_devices_cb (GObject      *source_object,
 
   if (result != NULL)
     {
-      dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
-      if ((gpointer) source_object == (gpointer) dialog->lpd_host)
-        dialog->lpd_host = NULL;
+      if ((gpointer) source_object == (gpointer) self->lpd_host)
+        self->lpd_host = NULL;
 
-      add_devices_to_list (dialog, result->devices);
+      add_devices_to_list (self, result->devices);
 
-      update_dialog_state (dialog);
+      update_dialog_state (self);
 
       pp_devices_list_free (result);
     }
@@ -1386,27 +1356,25 @@ get_lpd_devices_cb (GObject      *source_object,
     {
       if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         {
-          dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
           g_warning ("%s", error->message);
 
-          if ((gpointer) source_object == (gpointer) dialog->lpd_host)
-            dialog->lpd_host = NULL;
+          if ((gpointer) source_object == (gpointer) self->lpd_host)
+            self->lpd_host = NULL;
 
-          update_dialog_state (dialog);
+          update_dialog_state (self);
         }
     }
 }
 
 static void
-get_cups_devices (PpNewPrinterDialog *dialog)
+get_cups_devices (PpNewPrinterDialog *self)
 {
-  dialog->cups_searching = TRUE;
-  update_dialog_state (dialog);
+  self->cups_searching = TRUE;
+  update_dialog_state (self);
 
-  get_cups_devices_async (dialog->cancellable,
+  get_cups_devices_async (self->cancellable,
                           get_cups_devices_cb,
-                          dialog);
+                          self);
 }
 
 static gboolean
@@ -1480,73 +1448,73 @@ search_for_remote_printers_free (THostSearchData *data)
 static gboolean
 search_for_remote_printers (THostSearchData *data)
 {
-  PpNewPrinterDialog *dialog = data->dialog;
+  PpNewPrinterDialog *self = data->dialog;
 
-  g_cancellable_cancel (dialog->remote_host_cancellable);
-  g_clear_object (&dialog->remote_host_cancellable);
+  g_cancellable_cancel (self->remote_host_cancellable);
+  g_clear_object (&self->remote_host_cancellable);
 
-  dialog->remote_host_cancellable = g_cancellable_new ();
+  self->remote_host_cancellable = g_cancellable_new ();
 
-  dialog->remote_cups_host = pp_host_new (data->host_name);
-  dialog->snmp_host = pp_host_new (data->host_name);
-  dialog->socket_host = pp_host_new (data->host_name);
-  dialog->lpd_host = pp_host_new (data->host_name);
+  self->remote_cups_host = pp_host_new (data->host_name);
+  self->snmp_host = pp_host_new (data->host_name);
+  self->socket_host = pp_host_new (data->host_name);
+  self->lpd_host = pp_host_new (data->host_name);
 
   if (data->host_port != PP_HOST_UNSET_PORT)
     {
-      g_object_set (dialog->remote_cups_host, "port", data->host_port, NULL);
-      g_object_set (dialog->snmp_host, "port", data->host_port, NULL);
+      g_object_set (self->remote_cups_host, "port", data->host_port, NULL);
+      g_object_set (self->snmp_host, "port", data->host_port, NULL);
 
       /* Accept port different from the default one only if user specifies
        * scheme (for socket and lpd printers).
        */
       if (data->host_scheme != NULL &&
           g_ascii_strcasecmp (data->host_scheme, "socket") == 0)
-        g_object_set (dialog->socket_host, "port", data->host_port, NULL);
+        g_object_set (self->socket_host, "port", data->host_port, NULL);
 
       if (data->host_scheme != NULL &&
           g_ascii_strcasecmp (data->host_scheme, "lpd") == 0)
-        g_object_set (dialog->lpd_host, "port", data->host_port, NULL);
+        g_object_set (self->lpd_host, "port", data->host_port, NULL);
     }
 
-  dialog->samba_host = pp_samba_new (data->host_name);
+  self->samba_host = pp_samba_new (data->host_name);
 
   update_dialog_state (data->dialog);
 
-  pp_host_get_remote_cups_devices_async (dialog->remote_cups_host,
-                                         dialog->remote_host_cancellable,
+  pp_host_get_remote_cups_devices_async (self->remote_cups_host,
+                                         self->remote_host_cancellable,
                                          get_remote_cups_devices_cb,
                                          data->dialog);
 
-  pp_host_get_snmp_devices_async (dialog->snmp_host,
-                                  dialog->remote_host_cancellable,
+  pp_host_get_snmp_devices_async (self->snmp_host,
+                                  self->remote_host_cancellable,
                                   get_snmp_devices_cb,
                                   data->dialog);
 
-  pp_host_get_jetdirect_devices_async (dialog->socket_host,
-                                       dialog->remote_host_cancellable,
+  pp_host_get_jetdirect_devices_async (self->socket_host,
+                                       self->remote_host_cancellable,
                                        get_jetdirect_devices_cb,
                                        data->dialog);
 
-  pp_host_get_lpd_devices_async (dialog->lpd_host,
-                                 dialog->remote_host_cancellable,
+  pp_host_get_lpd_devices_async (self->lpd_host,
+                                 self->remote_host_cancellable,
                                  get_lpd_devices_cb,
                                  data->dialog);
 
-  pp_samba_get_devices_async (dialog->samba_host,
+  pp_samba_get_devices_async (self->samba_host,
                               TRUE,
-                              dialog->remote_host_cancellable,
+                              self->remote_host_cancellable,
                               get_samba_host_devices_cb,
                               data->dialog);
 
-  dialog->host_search_timeout_id = 0;
+  self->host_search_timeout_id = 0;
 
   return G_SOURCE_REMOVE;
 }
 
 static void
 search_address (const gchar        *text,
-                PpNewPrinterDialog *dialog,
+                PpNewPrinterDialog *self,
                 gboolean            delay_search)
 {
   PpPrintDevice              *device;
@@ -1571,10 +1539,10 @@ search_address (const gchar        *text,
     {
       words_length = g_strv_length (words);
 
-      cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->store), &iter);
+      cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (self->store), &iter);
       while (cont)
         {
-          gtk_tree_model_get (GTK_TREE_MODEL (dialog->store), &iter,
+          gtk_tree_model_get (GTK_TREE_MODEL (self->store), &iter,
                               DEVICE_COLUMN, &device,
                               -1);
 
@@ -1595,7 +1563,7 @@ search_address (const gchar        *text,
           if (subfound)
             found = TRUE;
 
-          gtk_list_store_set (GTK_LIST_STORE (dialog->store), &iter,
+          gtk_list_store_set (GTK_LIST_STORE (self->store), &iter,
                               DEVICE_VISIBLE_COLUMN, subfound,
                               -1);
 
@@ -1603,7 +1571,7 @@ search_address (const gchar        *text,
           g_free (lowercase_name);
           g_object_unref (device);
 
-          cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (dialog->store), &iter);
+          cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (self->store), &iter);
         }
 
       g_strfreev (words);
@@ -1615,15 +1583,15 @@ search_address (const gchar        *text,
    */
   if (!found && words_length == 1)
     {
-      cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->store), &iter);
+      cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (self->store), &iter);
       while (cont)
         {
           next_set = FALSE;
-          gtk_tree_model_get (GTK_TREE_MODEL (dialog->store), &iter,
+          gtk_tree_model_get (GTK_TREE_MODEL (self->store), &iter,
                               DEVICE_COLUMN, &device,
                               -1);
 
-          gtk_list_store_set (GTK_LIST_STORE (dialog->store), &iter,
+          gtk_list_store_set (GTK_LIST_STORE (self->store), &iter,
                               DEVICE_VISIBLE_COLUMN, TRUE,
                               -1);
 
@@ -1635,14 +1603,14 @@ search_address (const gchar        *text,
               acquisition_method == ACQUISITION_METHOD_LPD ||
               acquisition_method == ACQUISITION_METHOD_SAMBA_HOST)
             {
-              if (!gtk_list_store_remove (dialog->store, &iter))
+              if (!gtk_list_store_remove (self->store, &iter))
                 break;
               else
                 next_set = TRUE;
             }
 
           if (!next_set)
-            cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (dialog->store), &iter);
+            cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (self->store), &iter);
         }
 
       if (text && text[0] != '\0')
@@ -1661,17 +1629,17 @@ search_address (const gchar        *text,
               search_data->host_scheme = scheme;
               search_data->host_name = host;
               search_data->host_port = port;
-              search_data->dialog = dialog;
+              search_data->dialog = self;
 
-              if (dialog->host_search_timeout_id != 0)
+              if (self->host_search_timeout_id != 0)
                 {
-                  g_source_remove (dialog->host_search_timeout_id);
-                  dialog->host_search_timeout_id = 0;
+                  g_source_remove (self->host_search_timeout_id);
+                  self->host_search_timeout_id = 0;
                 }
 
               if (delay_search)
                 {
-                  dialog->host_search_timeout_id = g_timeout_add_full (G_PRIORITY_DEFAULT,
+                  self->host_search_timeout_id = g_timeout_add_full (G_PRIORITY_DEFAULT,
                                                                      HOST_SEARCH_DELAY,
                                                                      (GSourceFunc) 
search_for_remote_printers,
                                                                      search_data,
@@ -1742,7 +1710,7 @@ get_local_scheme_description_from_uri (gchar *device_uri)
 }
 
 static void
-set_device (PpNewPrinterDialog *dialog,
+set_device (PpNewPrinterDialog *self,
             PpPrintDevice      *device,
             GtkTreeIter        *iter)
 {
@@ -1780,10 +1748,10 @@ set_device (PpNewPrinterDialog *dialog,
             }
 
           if (iter == NULL)
-            gtk_list_store_append (dialog->store, &titer);
+            gtk_list_store_append (self->store, &titer);
 
-          gtk_list_store_set (dialog->store, iter == NULL ? &titer : iter,
-                              DEVICE_GICON_COLUMN, pp_print_device_is_network_device (device) ? 
dialog->remote_printer_icon : dialog->local_printer_icon,
+          gtk_list_store_set (self->store, iter == NULL ? &titer : iter,
+                              DEVICE_GICON_COLUMN, pp_print_device_is_network_device (device) ? 
self->remote_printer_icon : self->local_printer_icon,
                               DEVICE_NAME_COLUMN, pp_print_device_get_device_name (device),
                               DEVICE_DISPLAY_NAME_COLUMN, pp_print_device_get_display_name (device),
                               DEVICE_DESCRIPTION_COLUMN, description,
@@ -1797,10 +1765,10 @@ set_device (PpNewPrinterDialog *dialog,
                pp_print_device_get_host_name (device) != NULL)
         {
           if (iter == NULL)
-            gtk_list_store_append (dialog->store, &titer);
+            gtk_list_store_append (self->store, &titer);
 
-          gtk_list_store_set (dialog->store, iter == NULL ? &titer : iter,
-                              DEVICE_GICON_COLUMN, dialog->authenticated_server_icon,
+          gtk_list_store_set (self->store, iter == NULL ? &titer : iter,
+                              DEVICE_GICON_COLUMN, self->authenticated_server_icon,
                               DEVICE_NAME_COLUMN, pp_print_device_get_host_name (device),
                               DEVICE_DISPLAY_NAME_COLUMN, pp_print_device_get_host_name (device),
                               /* Translators: This item is a server which needs authentication to show its 
printers */
@@ -1814,7 +1782,7 @@ set_device (PpNewPrinterDialog *dialog,
 }
 
 static void
-replace_device (PpNewPrinterDialog *dialog,
+replace_device (PpNewPrinterDialog *self,
                 PpPrintDevice      *old_device,
                 PpPrintDevice      *new_device)
 {
@@ -1824,23 +1792,23 @@ replace_device (PpNewPrinterDialog *dialog,
 
   if (old_device != NULL && new_device != NULL)
     {
-      cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (dialog->store), &iter);
+      cont = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (self->store), &iter);
       while (cont)
         {
-          gtk_tree_model_get (GTK_TREE_MODEL (dialog->store), &iter,
+          gtk_tree_model_get (GTK_TREE_MODEL (self->store), &iter,
                               DEVICE_COLUMN, &device,
                               -1);
 
           if (old_device == device)
             {
-              set_device (dialog, new_device, &iter);
+              set_device (self, new_device, &iter);
               g_object_unref (device);
               break;
             }
 
           g_object_unref (device);
 
-          cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (dialog->store), &iter);
+          cont = gtk_tree_model_iter_next (GTK_TREE_MODEL (self->store), &iter);
         }
     }
 }
@@ -1850,7 +1818,7 @@ cups_get_dests_cb (GObject      *source_object,
                    GAsyncResult *res,
                    gpointer      user_data)
 {
-  PpNewPrinterDialog        *dialog;
+  PpNewPrinterDialog        *self = user_data;
   PpCupsDests               *dests;
   PpCups                    *cups = (PpCups *) source_object;
   g_autoptr(GError)          error = NULL;
@@ -1860,22 +1828,18 @@ cups_get_dests_cb (GObject      *source_object,
 
   if (dests)
     {
-      dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
-      dialog->dests = dests->dests;
-      dialog->num_of_dests = dests->num_of_dests;
+      self->dests = dests->dests;
+      self->num_of_dests = dests->num_of_dests;
 
-      get_cups_devices (dialog);
+      get_cups_devices (self);
     }
   else
     {
       if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         {
-          dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
           g_warning ("%s", error->message);
 
-          get_cups_devices (dialog);
+          get_cups_devices (self);
         }
     }
 }
@@ -1886,14 +1850,14 @@ row_activated_cb (GtkTreeView       *tree_view,
                   GtkTreeViewColumn *column,
                   gpointer           user_data)
 {
-  PpNewPrinterDialog        *dialog = (PpNewPrinterDialog *) user_data;
+  PpNewPrinterDialog        *self = user_data;
   GtkTreeModel              *model;
   GtkTreeIter                iter;
   GtkWidget                 *widget;
   gboolean                   authentication_needed;
   gboolean                   selected;
 
-  selected = gtk_tree_selection_get_selected (gtk_tree_view_get_selection (dialog->treeview),
+  selected = gtk_tree_selection_get_selected (gtk_tree_view_get_selection (self->treeview),
                                               &model,
                                               &iter);
 
@@ -1904,11 +1868,11 @@ row_activated_cb (GtkTreeView       *tree_view,
       if (authentication_needed)
         {
           widget = WID ("unlock-button");
-          authenticate_samba_server (GTK_BUTTON (widget), dialog);
+          authenticate_samba_server (GTK_BUTTON (widget), self);
         }
       else
         {
-          gtk_dialog_response (GTK_DIALOG (dialog->dialog), GTK_RESPONSE_OK);
+          gtk_dialog_response (GTK_DIALOG (self->dialog), GTK_RESPONSE_OK);
         }
     }
 }
@@ -1920,13 +1884,13 @@ cell_data_func (GtkTreeViewColumn  *tree_column,
                 GtkTreeIter        *iter,
                 gpointer            user_data)
 {
-  PpNewPrinterDialog        *dialog = (PpNewPrinterDialog *) user_data;
+  PpNewPrinterDialog        *self = user_data;
   gboolean                   selected = FALSE;
   gchar                     *name = NULL;
   gchar                     *description = NULL;
   gchar                     *text;
 
-  selected = gtk_tree_selection_iter_is_selected (gtk_tree_view_get_selection (dialog->treeview), iter);
+  selected = gtk_tree_selection_iter_is_selected (gtk_tree_view_get_selection (self->treeview), iter);
 
   gtk_tree_model_get (tree_model, iter,
                       DEVICE_DISPLAY_NAME_COLUMN, &name,
@@ -1964,7 +1928,7 @@ cell_data_func (GtkTreeViewColumn  *tree_column,
 }
 
 static void
-populate_devices_list (PpNewPrinterDialog *dialog)
+populate_devices_list (PpNewPrinterDialog *self)
 {
   GtkTreeViewColumn         *column;
   PpSamba                   *samba;
@@ -1972,53 +1936,53 @@ populate_devices_list (PpNewPrinterDialog *dialog)
   PpCups                    *cups;
   GIcon                     *icon, *emblem_icon;
 
-  g_signal_connect (gtk_tree_view_get_selection (dialog->treeview),
-                    "changed", G_CALLBACK (device_selection_changed_cb), dialog);
+  g_signal_connect (gtk_tree_view_get_selection (self->treeview),
+                    "changed", G_CALLBACK (device_selection_changed_cb), self);
 
-  g_signal_connect (dialog->treeview,
-                    "row-activated", G_CALLBACK (row_activated_cb), dialog);
+  g_signal_connect (self->treeview,
+                    "row-activated", G_CALLBACK (row_activated_cb), self);
 
-  dialog->local_printer_icon = g_themed_icon_new ("printer");
-  dialog->remote_printer_icon = g_themed_icon_new ("printer-network");
+  self->local_printer_icon = g_themed_icon_new ("printer");
+  self->remote_printer_icon = g_themed_icon_new ("printer-network");
 
   icon = g_themed_icon_new ("network-server");
   emblem_icon = g_themed_icon_new ("changes-prevent");
   emblem = g_emblem_new (emblem_icon);
 
-  dialog->authenticated_server_icon = g_emblemed_icon_new (icon, emblem);
+  self->authenticated_server_icon = g_emblemed_icon_new (icon, emblem);
 
   g_object_unref (icon);
   g_object_unref (emblem_icon);
   g_object_unref (emblem);
 
-  dialog->icon_renderer = gtk_cell_renderer_pixbuf_new ();
-  g_object_set (dialog->icon_renderer, "stock-size", GTK_ICON_SIZE_DIALOG, NULL);
-  gtk_cell_renderer_set_alignment (dialog->icon_renderer, 1.0, 0.5);
-  gtk_cell_renderer_set_padding (dialog->icon_renderer, 4, 4);
-  column = gtk_tree_view_column_new_with_attributes ("Icon", dialog->icon_renderer,
+  self->icon_renderer = gtk_cell_renderer_pixbuf_new ();
+  g_object_set (self->icon_renderer, "stock-size", GTK_ICON_SIZE_DIALOG, NULL);
+  gtk_cell_renderer_set_alignment (self->icon_renderer, 1.0, 0.5);
+  gtk_cell_renderer_set_padding (self->icon_renderer, 4, 4);
+  column = gtk_tree_view_column_new_with_attributes ("Icon", self->icon_renderer,
                                                      "gicon", DEVICE_GICON_COLUMN, NULL);
   gtk_tree_view_column_set_max_width (column, -1);
   gtk_tree_view_column_set_min_width (column, 80);
-  gtk_tree_view_append_column (dialog->treeview, column);
+  gtk_tree_view_append_column (self->treeview, column);
 
 
-  dialog->text_renderer = gtk_cell_renderer_text_new ();
-  column = gtk_tree_view_column_new_with_attributes ("Devices", dialog->text_renderer,
+  self->text_renderer = gtk_cell_renderer_text_new ();
+  column = gtk_tree_view_column_new_with_attributes ("Devices", self->text_renderer,
                                                      NULL);
-  gtk_tree_view_column_set_cell_data_func (column, dialog->text_renderer, cell_data_func,
-                                           dialog, NULL);
-  gtk_tree_view_append_column (dialog->treeview, column);
+  gtk_tree_view_column_set_cell_data_func (column, self->text_renderer, cell_data_func,
+                                           self, NULL);
+  gtk_tree_view_append_column (self->treeview, column);
 
-  gtk_tree_model_filter_set_visible_column (dialog->filter, DEVICE_VISIBLE_COLUMN);
+  gtk_tree_model_filter_set_visible_column (self->filter, DEVICE_VISIBLE_COLUMN);
 
   cups = pp_cups_new ();
-  pp_cups_get_dests_async (cups, dialog->cancellable, cups_get_dests_cb, dialog);
+  pp_cups_get_dests_async (cups, self->cancellable, cups_get_dests_cb, self);
 
-  dialog->samba_searching = TRUE;
-  update_dialog_state (dialog);
+  self->samba_searching = TRUE;
+  update_dialog_state (self);
 
   samba = pp_samba_new (NULL);
-  pp_samba_get_devices_async (samba, FALSE, dialog->cancellable, get_samba_devices_cb, dialog);
+  pp_samba_get_devices_async (samba, FALSE, self->cancellable, get_samba_devices_cb, self);
 }
 
 static void
@@ -2026,7 +1990,7 @@ printer_add_async_cb (GObject      *source_object,
                       GAsyncResult *res,
                       gpointer      user_data)
 {
-  PpNewPrinterDialog        *dialog;
+  PpNewPrinterDialog        *self = user_data;
   GtkResponseType            response_id = GTK_RESPONSE_OK;
   PpNewPrinter              *new_printer = (PpNewPrinter *) source_object;
   gboolean                   success;
@@ -2037,21 +2001,17 @@ printer_add_async_cb (GObject      *source_object,
 
   if (success)
     {
-      dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
-      emit_response (dialog, response_id);
+      emit_response (self, response_id);
     }
   else
     {
       if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
         {
-          dialog = PP_NEW_PRINTER_DIALOG (user_data);
-
           g_warning ("%s", error->message);
 
           response_id = GTK_RESPONSE_REJECT;
 
-          emit_response (dialog, response_id);
+          emit_response (self, response_id);
         }
     }
 }
@@ -2061,7 +2021,7 @@ ppd_selection_cb (GtkDialog *_dialog,
                   gint       response_id,
                   gpointer   user_data)
 {
-  PpNewPrinterDialog        *dialog = (PpNewPrinterDialog *) user_data;
+  PpNewPrinterDialog        *self = user_data;
   PpNewPrinter              *new_printer;
   GList                     *original_names_list = NULL;
   gchar                     *ppd_name;
@@ -2070,40 +2030,40 @@ ppd_selection_cb (GtkDialog *_dialog,
   guint                      window_id = 0;
   gint                       acquisition_method;
 
-  ppd_name = pp_ppd_selection_dialog_get_ppd_name (dialog->ppd_selection_dialog);
-  ppd_display_name = pp_ppd_selection_dialog_get_ppd_display_name (dialog->ppd_selection_dialog);
-  pp_ppd_selection_dialog_free (dialog->ppd_selection_dialog);
-  dialog->ppd_selection_dialog = NULL;
+  ppd_name = pp_ppd_selection_dialog_get_ppd_name (self->ppd_selection_dialog);
+  ppd_display_name = pp_ppd_selection_dialog_get_ppd_display_name (self->ppd_selection_dialog);
+  pp_ppd_selection_dialog_free (self->ppd_selection_dialog);
+  self->ppd_selection_dialog = NULL;
 
   if (ppd_name)
     {
-      g_object_set (dialog->new_device, "device-ppd", ppd_name, NULL);
+      g_object_set (self->new_device, "device-ppd", ppd_name, NULL);
 
-      acquisition_method = pp_print_device_get_acquisition_method (dialog->new_device);
+      acquisition_method = pp_print_device_get_acquisition_method (self->new_device);
       if ((acquisition_method == ACQUISITION_METHOD_JETDIRECT ||
            acquisition_method == ACQUISITION_METHOD_LPD) &&
           ppd_display_name != NULL)
         {
-          g_object_set (dialog->new_device,
+          g_object_set (self->new_device,
                         "device-name", ppd_display_name,
                         "device-original-name", ppd_display_name,
                         NULL);
 
-          gtk_tree_model_foreach (GTK_TREE_MODEL (dialog->store),
+          gtk_tree_model_foreach (GTK_TREE_MODEL (self->store),
                                   prepend_original_name,
                                   &original_names_list);
 
           original_names_list = g_list_reverse (original_names_list);
 
           printer_name = canonicalize_device_name (original_names_list,
-                                                   dialog->local_cups_devices,
-                                                   dialog->dests,
-                                                   dialog->num_of_dests,
-                                                   dialog->new_device);
+                                                   self->local_cups_devices,
+                                                   self->dests,
+                                                   self->num_of_dests,
+                                                   self->new_device);
 
           g_list_free_full (original_names_list, g_free);
 
-          g_object_set (dialog->new_device,
+          g_object_set (self->new_device,
                         "device-name", printer_name,
                         "device-original-name", printer_name,
                         NULL);
@@ -2111,60 +2071,60 @@ ppd_selection_cb (GtkDialog *_dialog,
           g_free (printer_name);
         }
 
-      emit_pre_response (dialog,
-                         pp_print_device_get_device_name (dialog->new_device),
-                         pp_print_device_get_device_location (dialog->new_device),
-                         pp_print_device_get_device_make_and_model (dialog->new_device),
-                         pp_print_device_is_network_device (dialog->new_device));
+      emit_pre_response (self,
+                         pp_print_device_get_device_name (self->new_device),
+                         pp_print_device_get_device_location (self->new_device),
+                         pp_print_device_get_device_make_and_model (self->new_device),
+                         pp_print_device_is_network_device (self->new_device));
 
-      window_id = (guint) GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (gtk_window_get_transient_for 
(GTK_WINDOW (dialog->dialog)))));
+      window_id = (guint) GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET (gtk_window_get_transient_for 
(GTK_WINDOW (self->dialog)))));
 
       new_printer = pp_new_printer_new ();
       g_object_set (new_printer,
-                    "name", pp_print_device_get_device_name (dialog->new_device),
-                    "original-name", pp_print_device_get_device_original_name (dialog->new_device),
-                    "device-uri", pp_print_device_get_device_uri (dialog->new_device),
-                    "device-id", pp_print_device_get_device_id (dialog->new_device),
-                    "ppd-name", pp_print_device_get_device_ppd (dialog->new_device),
-                    "ppd-file-name", pp_print_device_get_device_ppd (dialog->new_device),
-                    "info", pp_print_device_get_device_info (dialog->new_device),
-                    "location", pp_print_device_get_device_location (dialog->new_device),
-                    "make-and-model", pp_print_device_get_device_make_and_model (dialog->new_device),
-                    "host-name", pp_print_device_get_host_name (dialog->new_device),
-                    "host-port", pp_print_device_get_host_port (dialog->new_device),
-                    "is-network-device", pp_print_device_is_network_device (dialog->new_device),
+                    "name", pp_print_device_get_device_name (self->new_device),
+                    "original-name", pp_print_device_get_device_original_name (self->new_device),
+                    "device-uri", pp_print_device_get_device_uri (self->new_device),
+                    "device-id", pp_print_device_get_device_id (self->new_device),
+                    "ppd-name", pp_print_device_get_device_ppd (self->new_device),
+                    "ppd-file-name", pp_print_device_get_device_ppd (self->new_device),
+                    "info", pp_print_device_get_device_info (self->new_device),
+                    "location", pp_print_device_get_device_location (self->new_device),
+                    "make-and-model", pp_print_device_get_device_make_and_model (self->new_device),
+                    "host-name", pp_print_device_get_host_name (self->new_device),
+                    "host-port", pp_print_device_get_host_port (self->new_device),
+                    "is-network-device", pp_print_device_is_network_device (self->new_device),
                     "window-id", window_id,
                     NULL);
-      dialog->cancellable = g_cancellable_new ();
+      self->cancellable = g_cancellable_new ();
 
       pp_new_printer_add_async (new_printer,
-                                dialog->cancellable,
+                                self->cancellable,
                                 printer_add_async_cb,
-                                dialog);
+                                self);
 
-      g_clear_object (&dialog->new_device);
+      g_clear_object (&self->new_device);
     }
 }
 
 static void
-new_printer_dialog_response_cb (GtkDialog *_dialog,
+new_printer_dialog_response_cb (GtkDialog *dialog,
                                 gint       response_id,
                                 gpointer   user_data)
 {
-  PpNewPrinterDialog        *dialog = (PpNewPrinterDialog *) user_data;
+  PpNewPrinterDialog        *self = user_data;
   PpPrintDevice             *device = NULL;
   GtkTreeModel              *model;
   GtkTreeIter                iter;
   gint                       acquisition_method;
 
-  gtk_widget_hide (GTK_WIDGET (_dialog));
+  gtk_widget_hide (GTK_WIDGET (dialog));
 
   if (response_id == GTK_RESPONSE_OK)
     {
-      g_cancellable_cancel (dialog->cancellable);
-      g_clear_object (&dialog->cancellable);
+      g_cancellable_cancel (self->cancellable);
+      g_clear_object (&self->cancellable);
 
-      if (gtk_tree_selection_get_selected (gtk_tree_view_get_selection (dialog->treeview), &model, &iter))
+      if (gtk_tree_selection_get_selected (gtk_tree_view_get_selection (self->treeview), &model, &iter))
         {
           gtk_tree_model_get (model, &iter,
                               DEVICE_COLUMN, &device,
@@ -2182,23 +2142,23 @@ new_printer_dialog_response_cb (GtkDialog *_dialog,
               acquisition_method == ACQUISITION_METHOD_JETDIRECT ||
               acquisition_method == ACQUISITION_METHOD_LPD)
             {
-              dialog->new_device = pp_print_device_copy (device);
-              dialog->ppd_selection_dialog =
-                pp_ppd_selection_dialog_new (dialog->parent,
-                                             dialog->list,
+              self->new_device = pp_print_device_copy (device);
+              self->ppd_selection_dialog =
+                pp_ppd_selection_dialog_new (self->parent,
+                                             self->list,
                                              NULL,
                                              ppd_selection_cb,
-                                             dialog);
+                                             self);
             }
           else
             {
-              emit_pre_response (dialog,
+              emit_pre_response (self,
                                  pp_print_device_get_device_name (device),
                                  pp_print_device_get_device_location (device),
                                  pp_print_device_get_device_make_and_model (device),
                                  pp_print_device_is_network_device (device));
 
-              window_id = (guint) GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET 
(gtk_window_get_transient_for (GTK_WINDOW (_dialog)))));
+              window_id = (guint) GDK_WINDOW_XID (gtk_widget_get_window (GTK_WIDGET 
(gtk_window_get_transient_for (GTK_WINDOW (dialog)))));
 
               new_printer = pp_new_printer_new ();
               g_object_set (new_printer,
@@ -2217,12 +2177,12 @@ new_printer_dialog_response_cb (GtkDialog *_dialog,
                             "window-id", window_id,
                             NULL);
 
-              dialog->cancellable = g_cancellable_new ();
+              self->cancellable = g_cancellable_new ();
 
               pp_new_printer_add_async (new_printer,
-                                        dialog->cancellable,
+                                        self->cancellable,
                                         printer_add_async_cb,
-                                        dialog);
+                                        self);
             }
 
           g_object_unref (device);
@@ -2230,6 +2190,6 @@ new_printer_dialog_response_cb (GtkDialog *_dialog,
     }
   else
     {
-      emit_response (dialog, GTK_RESPONSE_CANCEL);
+      emit_response (self, GTK_RESPONSE_CANCEL);
     }
 }
diff --git a/panels/printers/pp-new-printer.c b/panels/printers/pp-new-printer.c
index 76d0ae35d..3045a0ee4 100644
--- a/panels/printers/pp-new-printer.c
+++ b/panels/printers/pp-new-printer.c
@@ -114,9 +114,7 @@ pp_new_printer_get_property (GObject    *object,
                              GValue     *value,
                              GParamSpec *param_spec)
 {
-  PpNewPrinter *self;
-
-  self = PP_NEW_PRINTER (object);
+  PpNewPrinter *self = PP_NEW_PRINTER (object);
 
   switch (prop_id)
     {
@@ -337,7 +335,7 @@ pp_new_printer_class_init (PpNewPrinterClass *klass)
 }
 
 static void
-pp_new_printer_init (PpNewPrinter *printer)
+pp_new_printer_init (PpNewPrinter *self)
 {
 }
 
@@ -347,29 +345,29 @@ pp_new_printer_new ()
   return g_object_new (PP_TYPE_NEW_PRINTER, NULL);
 }
 
-static void printer_configure_async (PpNewPrinter *new_printer);
+static void printer_configure_async (PpNewPrinter *self);
 
 static void
 _pp_new_printer_add_async_cb (gboolean      success,
-                              PpNewPrinter *printer)
+                              PpNewPrinter *self)
 {
   if (!success)
     {
-      g_task_return_new_error (printer->task,
+      g_task_return_new_error (self->task,
                                G_IO_ERROR,
                                G_IO_ERROR_FAILED,
                                "Installation of the new printer failed.");
       return;
     }
 
-  g_task_return_boolean (printer->task, success);
+  g_task_return_boolean (self->task, success);
 }
 
 static void
 printer_add_real_async_cb (cups_dest_t *destination,
                            gpointer     user_data)
 {
-  PpNewPrinter        *printer = (PpNewPrinter *) user_data;
+  PpNewPrinter        *self = user_data;
   gboolean             success = FALSE;
 
   if (destination)
@@ -380,11 +378,11 @@ printer_add_real_async_cb (cups_dest_t *destination,
 
   if (success)
     {
-      printer_configure_async (printer);
+      printer_configure_async (self);
     }
   else
     {
-      _pp_new_printer_add_async_cb (FALSE, printer);
+      _pp_new_printer_add_async_cb (FALSE, self);
     }
 }
 
@@ -393,7 +391,7 @@ printer_add_real_async_dbus_cb (GObject      *source_object,
                                 GAsyncResult *res,
                                 gpointer      user_data)
 {
-  PpNewPrinter        *printer = (PpNewPrinter *) user_data;
+  PpNewPrinter        *self = user_data;
   GVariant            *output;
   g_autoptr(GError)    error = NULL;
 
@@ -409,7 +407,7 @@ printer_add_real_async_dbus_cb (GObject      *source_object,
       g_variant_get (output, "(&s)", &ret_error);
       if (ret_error[0] != '\0')
         {
-          g_warning ("cups-pk-helper: addition of printer %s failed: %s", printer->name, ret_error);
+          g_warning ("cups-pk-helper: addition of printer %s failed: %s", self->name, ret_error);
         }
 
       g_variant_unref (output);
@@ -422,21 +420,21 @@ printer_add_real_async_dbus_cb (GObject      *source_object,
 
   if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
     {
-      get_named_dest_async (printer->name,
+      get_named_dest_async (self->name,
                             printer_add_real_async_cb,
-                            printer);
+                            self);
     }
 }
 
 static void
-printer_add_real_async (PpNewPrinter *printer)
+printer_add_real_async (PpNewPrinter *self)
 {
   GDBusConnection     *bus;
   g_autoptr(GError)    error = NULL;
 
-  if (!printer->ppd_name && !printer->ppd_file_name)
+  if (!self->ppd_name && !self->ppd_file_name)
     {
-      _pp_new_printer_add_async_cb (FALSE, printer);
+      _pp_new_printer_add_async_cb (FALSE, self);
       return;
     }
 
@@ -444,7 +442,7 @@ printer_add_real_async (PpNewPrinter *printer)
   if (!bus)
     {
       g_warning ("Failed to get system bus: %s", error->message);
-      _pp_new_printer_add_async_cb (FALSE, printer);
+      _pp_new_printer_add_async_cb (FALSE, self);
       return;
     }
 
@@ -452,19 +450,19 @@ printer_add_real_async (PpNewPrinter *printer)
                           MECHANISM_BUS,
                           "/",
                           MECHANISM_BUS,
-                          printer->ppd_name ? "PrinterAdd" : "PrinterAddWithPpdFile",
+                          self->ppd_name ? "PrinterAdd" : "PrinterAddWithPpdFile",
                           g_variant_new ("(sssss)",
-                                         printer->name,
-                                         printer->device_uri,
-                                         printer->ppd_name ? printer->ppd_name : printer->ppd_file_name,
-                                         printer->info ? printer->info : "",
-                                         printer->location ? printer->location : ""),
+                                         self->name,
+                                         self->device_uri,
+                                         self->ppd_name ? self->ppd_name : self->ppd_file_name,
+                                         self->info ? self->info : "",
+                                         self->location ? self->location : ""),
                           G_VARIANT_TYPE ("(s)"),
                           G_DBUS_CALL_FLAGS_NONE,
                           DBUS_TIMEOUT,
                           NULL,
                           printer_add_real_async_dbus_cb,
-                          printer);
+                          self);
 }
 
 static PPDName *
@@ -532,7 +530,7 @@ printer_add_async_scb3 (GObject      *source_object,
                         GAsyncResult *res,
                         gpointer      user_data)
 {
-  PpNewPrinter        *printer = (PpNewPrinter *) user_data;
+  PpNewPrinter        *self = user_data;
   GVariant            *output;
   PPDName             *ppd_item = NULL;
   g_autoptr(GError)    error = NULL;
@@ -556,12 +554,12 @@ printer_add_async_scb3 (GObject      *source_object,
   if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED) &&
       ppd_item && ppd_item->ppd_name)
     {
-      printer->ppd_name = g_strdup (ppd_item->ppd_name);
-      printer_add_real_async (printer);
+      self->ppd_name = g_strdup (ppd_item->ppd_name);
+      printer_add_real_async (self);
     }
   else
     {
-      _pp_new_printer_add_async_cb (FALSE, printer);
+      _pp_new_printer_add_async_cb (FALSE, self);
     }
 
   if (ppd_item)
@@ -576,7 +574,7 @@ install_printer_drivers_cb (GObject      *source_object,
                             GAsyncResult *res,
                             gpointer      user_data)
 {
-  PpNewPrinter        *printer;
+  PpNewPrinter        *self = user_data;
   GVariant            *output;
   g_autoptr(GError)    error = NULL;
 
@@ -600,8 +598,6 @@ install_printer_drivers_cb (GObject      *source_object,
       GDBusConnection  *bus;
       g_autoptr(GError) bus_error = NULL;
 
-      printer = (PpNewPrinter *) user_data;
-
       /* Try whether CUPS has a driver for the new printer */
       bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &bus_error);
       if (bus)
@@ -612,20 +608,20 @@ install_printer_drivers_cb (GObject      *source_object,
                                   SCP_IFACE,
                                   "GetBestDrivers",
                                   g_variant_new ("(sss)",
-                                                 printer->device_id,
-                                                 printer->make_and_model ? printer->make_and_model : "",
-                                                 printer->device_uri ? printer->device_uri : ""),
+                                                 self->device_id,
+                                                 self->make_and_model ? self->make_and_model : "",
+                                                 self->device_uri ? self->device_uri : ""),
                                   G_VARIANT_TYPE ("(a(ss))"),
                                   G_DBUS_CALL_FLAGS_NONE,
                                   DBUS_TIMEOUT_LONG,
-                                  printer->cancellable,
+                                  self->cancellable,
                                   printer_add_async_scb3,
-                                  printer);
+                                  self);
         }
       else
         {
           g_warning ("Failed to get system bus: %s", bus_error->message);
-          _pp_new_printer_add_async_cb (FALSE, printer);
+          _pp_new_printer_add_async_cb (FALSE, self);
         }
     }
 }
@@ -635,7 +631,7 @@ printer_add_async_scb (GObject      *source_object,
                        GAsyncResult *res,
                        gpointer      user_data)
 {
-  PpNewPrinter        *printer = (PpNewPrinter *) user_data;
+  PpNewPrinter        *self = user_data;
   GDBusConnection     *bus;
   GVariantBuilder      array_builder;
   GVariant            *output;
@@ -671,7 +667,7 @@ printer_add_async_scb (GObject      *source_object,
           if (bus)
             {
               g_variant_builder_init (&array_builder, G_VARIANT_TYPE ("as"));
-              g_variant_builder_add (&array_builder, "s", printer->device_id);
+              g_variant_builder_add (&array_builder, "s", self->device_id);
 
               g_dbus_connection_call (bus,
                                       PACKAGE_KIT_BUS,
@@ -679,7 +675,7 @@ printer_add_async_scb (GObject      *source_object,
                                       PACKAGE_KIT_MODIFY_IFACE,
                                       "InstallPrinterDrivers",
                                       g_variant_new ("(uass)",
-                                                     printer->window_id,
+                                                     self->window_id,
                                                      &array_builder,
                                                      "hide-finished"),
                                       G_VARIANT_TYPE ("()"),
@@ -687,22 +683,22 @@ printer_add_async_scb (GObject      *source_object,
                                       DBUS_TIMEOUT_LONG,
                                       NULL,
                                       install_printer_drivers_cb,
-                                      printer);
+                                      self);
             }
           else
             {
               g_warning ("Failed to get session bus: %s", bus_error->message);
-              _pp_new_printer_add_async_cb (FALSE, printer);
+              _pp_new_printer_add_async_cb (FALSE, self);
             }
         }
       else if (ppd_item && ppd_item->ppd_name)
         {
-          printer->ppd_name = g_strdup (ppd_item->ppd_name);
-          printer_add_real_async (printer);
+          self->ppd_name = g_strdup (ppd_item->ppd_name);
+          printer_add_real_async (self);
         }
       else
         {
-          _pp_new_printer_add_async_cb (FALSE, printer);
+          _pp_new_printer_add_async_cb (FALSE, self);
         }
     }
 
@@ -717,17 +713,17 @@ static void
 printer_add_async_scb4 (const gchar *ppd_filename,
                         gpointer     user_data)
 {
-  PpNewPrinter        *printer = (PpNewPrinter *) user_data;
+  PpNewPrinter *self = user_data;
 
-  printer->ppd_file_name = g_strdup (ppd_filename);
-  if (printer->ppd_file_name)
+  self->ppd_file_name = g_strdup (ppd_filename);
+  if (self->ppd_file_name)
     {
-      printer->unlink_ppd_file = TRUE;
-      printer_add_real_async (printer);
+      self->unlink_ppd_file = TRUE;
+      printer_add_real_async (self);
     }
   else
     {
-      _pp_new_printer_add_async_cb (FALSE, printer);
+      _pp_new_printer_add_async_cb (FALSE, self);
     }
 }
 
@@ -767,11 +763,11 @@ typedef struct
 static void
 printer_configure_async_finish (PCData *data)
 {
-  PpNewPrinter *printer = data->new_printer;
+  PpNewPrinter *self = data->new_printer;
 
   if (data->set_accept_jobs_finished &&
       data->set_enabled_finished &&
-      (data->autoconfigure_finished || printer->is_network_device) &&
+      (data->autoconfigure_finished || self->is_network_device) &&
       data->set_media_size_finished &&
       data->install_missing_executables_finished)
     {
@@ -1180,7 +1176,7 @@ pp_maintenance_command_execute_cb (GObject      *source_object,
 }
 
 static void
-printer_configure_async (PpNewPrinter *new_printer)
+printer_configure_async (PpNewPrinter *self)
 {
   GDBusConnection      *bus;
   PCData               *data;
@@ -1189,7 +1185,7 @@ printer_configure_async (PpNewPrinter *new_printer)
   g_autoptr(GError)     error = NULL;
 
   data = g_new0 (PCData, 1);
-  data->new_printer = new_printer;
+  data->new_printer = self;
   data->set_accept_jobs_finished = FALSE;
   data->set_enabled_finished = FALSE;
   data->autoconfigure_finished = FALSE;
@@ -1197,7 +1193,7 @@ printer_configure_async (PpNewPrinter *new_printer)
   data->install_missing_executables_finished = FALSE;
 
   /* Enable printer and make it accept jobs */
-  if (new_printer->name)
+  if (self->name)
     {
       bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
       if (bus)
@@ -1208,7 +1204,7 @@ printer_configure_async (PpNewPrinter *new_printer)
                                   MECHANISM_BUS,
                                   "PrinterSetAcceptJobs",
                                   g_variant_new ("(sbs)",
-                                                 new_printer->name,
+                                                 self->name,
                                                  TRUE,
                                                  ""),
                                   G_VARIANT_TYPE ("(s)"),
@@ -1224,7 +1220,7 @@ printer_configure_async (PpNewPrinter *new_printer)
                                   MECHANISM_BUS,
                                   "PrinterSetEnabled",
                                   g_variant_new ("(sb)",
-                                                 new_printer->name,
+                                                 self->name,
                                                  TRUE),
                                   G_VARIANT_TYPE ("(s)"),
                                   G_DBUS_CALL_FLAGS_NONE,
@@ -1247,10 +1243,10 @@ printer_configure_async (PpNewPrinter *new_printer)
     }
 
   /* Run autoconfiguration of printer */
-  if (!new_printer->is_network_device)
+  if (!self->is_network_device)
     {
       PpMaintenanceCommand *command;
-      command = pp_maintenance_command_new (new_printer->name,
+      command = pp_maintenance_command_new (self->name,
                                             "autoconfigure",
                                             NULL,
       /* Translators: Name of job which makes printer to autoconfigure itself */
@@ -1266,18 +1262,18 @@ printer_configure_async (PpNewPrinter *new_printer)
   values = g_new0 (gchar *, 2);
   values[0] = g_strdup (get_page_size_from_locale ());
 
-  printer_add_option_async (new_printer->name, "PageSize", values, FALSE, NULL, pao_cb, data);
+  printer_add_option_async (self->name, "PageSize", values, FALSE, NULL, pao_cb, data);
 
   g_strfreev (values);
 
   /* Install missing executables for printer */
   ime_data = g_new0 (IMEData, 1);
-  ime_data->window_id = new_printer->window_id;
+  ime_data->window_id = self->window_id;
   if (data->cancellable)
     ime_data->cancellable = g_object_ref (data->cancellable);
   ime_data->user_data = data;
 
-  printer_get_ppd_async (new_printer->name,
+  printer_get_ppd_async (self->name,
                          NULL,
                          0,
                          printer_get_ppd_cb,
@@ -1285,22 +1281,22 @@ printer_configure_async (PpNewPrinter *new_printer)
 }
 
 void
-pp_new_printer_add_async (PpNewPrinter        *printer,
+pp_new_printer_add_async (PpNewPrinter        *self,
                           GCancellable        *cancellable,
                           GAsyncReadyCallback  callback,
                           gpointer             user_data)
 {
   g_autoptr(GTask) task = NULL;
 
-  printer->task = g_task_new (printer, cancellable, callback, user_data);
-  printer->cancellable = g_object_ref (cancellable);
+  self->task = g_task_new (self, cancellable, callback, user_data);
+  self->cancellable = g_object_ref (cancellable);
 
-  if (printer->ppd_name || printer->ppd_file_name)
+  if (self->ppd_name || self->ppd_file_name)
     {
       /* We have everything we need */
-      printer_add_real_async (printer);
+      printer_add_real_async (self);
     }
-  else if (printer->device_id)
+  else if (self->device_id)
     {
       GDBusConnection  *bus;
       g_autoptr(GError) error = NULL;
@@ -1315,43 +1311,43 @@ pp_new_printer_add_async (PpNewPrinter        *printer,
                                   SCP_IFACE,
                                   "GetBestDrivers",
                                   g_variant_new ("(sss)",
-                                                 printer->device_id,
-                                                 printer->make_and_model ? printer->make_and_model : "",
-                                                 printer->device_uri ? printer->device_uri : ""),
+                                                 self->device_id,
+                                                 self->make_and_model ? self->make_and_model : "",
+                                                 self->device_uri ? self->device_uri : ""),
                                   G_VARIANT_TYPE ("(a(ss))"),
                                   G_DBUS_CALL_FLAGS_NONE,
                                   DBUS_TIMEOUT_LONG,
                                   cancellable,
                                   printer_add_async_scb,
-                                  printer);
+                                  self);
         }
       else
         {
           g_warning ("Failed to get system bus: %s", error->message);
-          _pp_new_printer_add_async_cb (FALSE, printer);
+          _pp_new_printer_add_async_cb (FALSE, self);
         }
     }
-  else if (printer->original_name && printer->host_name)
+  else if (self->original_name && self->host_name)
     {
       /* Try to get PPD from remote CUPS */
-      printer_get_ppd_async (printer->original_name,
-                             printer->host_name,
-                             printer->host_port,
+      printer_get_ppd_async (self->original_name,
+                             self->host_name,
+                             self->host_port,
                              printer_add_async_scb4,
-                             printer);
+                             self);
     }
   else
     {
-      _pp_new_printer_add_async_cb (FALSE, printer);
+      _pp_new_printer_add_async_cb (FALSE, self);
     }
 }
 
 gboolean
-pp_new_printer_add_finish (PpNewPrinter  *printer,
+pp_new_printer_add_finish (PpNewPrinter  *self,
                            GAsyncResult  *res,
                            GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, printer), FALSE);
+  g_return_val_if_fail (g_task_is_valid (res, self), FALSE);
   g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
   return g_task_propagate_boolean (G_TASK (res), error);
 }
diff --git a/panels/printers/pp-options-dialog.c b/panels/printers/pp-options-dialog.c
index c3773e7f8..d88980aca 100644
--- a/panels/printers/pp-options-dialog.c
+++ b/panels/printers/pp-options-dialog.c
@@ -67,7 +67,7 @@ struct _PpOptionsDialog {
   gboolean sensitive;
 };
 
-static void pp_options_dialog_hide (PpOptionsDialog *dialog);
+static void pp_options_dialog_hide (PpOptionsDialog *self);
 
 enum
 {
@@ -467,7 +467,7 @@ static void
 category_selection_changed_cb (GtkTreeSelection *selection,
                                gpointer          user_data)
 {
-  PpOptionsDialog *dialog = (PpOptionsDialog *) user_data;
+  PpOptionsDialog *self = (PpOptionsDialog *) user_data;
   GtkTreeModel    *model;
   GtkTreeIter      iter;
   GtkWidget       *options_notebook;
@@ -483,14 +483,14 @@ category_selection_changed_cb (GtkTreeSelection *selection,
   if (id >= 0)
     {
       options_notebook = (GtkWidget*)
-        gtk_builder_get_object (dialog->builder, "options-notebook");
+        gtk_builder_get_object (self->builder, "options-notebook");
 
       gtk_notebook_set_current_page (GTK_NOTEBOOK (options_notebook), id);
     }
 }
 
 static void
-populate_options_real (PpOptionsDialog *dialog)
+populate_options_real (PpOptionsDialog *self)
 {
   GtkTreeSelection *selection;
   GtkTreeModel     *model;
@@ -511,69 +511,69 @@ populate_options_real (PpOptionsDialog *dialog)
   gint              i, j;
 
   widget = (GtkWidget*)
-    gtk_builder_get_object (dialog->builder, "options-spinner");
+    gtk_builder_get_object (self->builder, "options-spinner");
   gtk_spinner_stop (GTK_SPINNER (widget));
 
   widget = (GtkWidget*)
-    gtk_builder_get_object (dialog->builder, "stack");
+    gtk_builder_get_object (self->builder, "stack");
   gtk_stack_set_visible_child_name (GTK_STACK (widget), "main-box");
 
   treeview = (GtkTreeView *)
-    gtk_builder_get_object (dialog->builder, "options-categories-treeview");
+    gtk_builder_get_object (self->builder, "options-categories-treeview");
 
   notebook = (GtkWidget *)
-    gtk_builder_get_object (dialog->builder, "options-notebook");
+    gtk_builder_get_object (self->builder, "options-notebook");
 
-  if (dialog->ipp_attributes)
+  if (self->ipp_attributes)
     {
       /* Add number-up option to Page Setup tab */
-      ipp_option_add (g_hash_table_lookup (dialog->ipp_attributes,
+      ipp_option_add (g_hash_table_lookup (self->ipp_attributes,
                                            "number-up-supported"),
-                      g_hash_table_lookup (dialog->ipp_attributes,
+                      g_hash_table_lookup (self->ipp_attributes,
                                            "number-up-default"),
                       "number-up",
                       /* Translators: This option sets number of pages printed on one sheet */
                       _("Pages per side"),
-                      dialog->printer_name,
+                      self->printer_name,
                       page_setup_tab_grid,
-                      dialog->sensitive);
+                      self->sensitive);
 
       /* Add sides option to Page Setup tab */
-      ipp_option_add (g_hash_table_lookup (dialog->ipp_attributes,
+      ipp_option_add (g_hash_table_lookup (self->ipp_attributes,
                                            "sides-supported"),
-                      g_hash_table_lookup (dialog->ipp_attributes,
+                      g_hash_table_lookup (self->ipp_attributes,
                                            "sides-default"),
                       "sides",
                       /* Translators: This option sets whether to print on both sides of paper */
                       _("Two-sided"),
-                      dialog->printer_name,
+                      self->printer_name,
                       page_setup_tab_grid,
-                      dialog->sensitive);
+                      self->sensitive);
 
       /* Add orientation-requested option to Page Setup tab */
-      ipp_option_add (g_hash_table_lookup (dialog->ipp_attributes,
+      ipp_option_add (g_hash_table_lookup (self->ipp_attributes,
                                            "orientation-requested-supported"),
-                      g_hash_table_lookup (dialog->ipp_attributes,
+                      g_hash_table_lookup (self->ipp_attributes,
                                            "orientation-requested-default"),
                       "orientation-requested",
                       /* Translators: This option sets orientation of print (portrait, landscape...) */
                       _("Orientation"),
-                      dialog->printer_name,
+                      self->printer_name,
                       page_setup_tab_grid,
-                      dialog->sensitive);
+                      self->sensitive);
     }
 
-  if (dialog->destination && dialog->ppd_filename)
+  if (self->destination && self->ppd_filename)
     {
-      ppd_file = ppdOpenFile (dialog->ppd_filename);
+      ppd_file = ppdOpenFile (self->ppd_filename);
       ppdLocalize (ppd_file);
 
       if (ppd_file)
         {
           ppdMarkDefaults (ppd_file);
           cupsMarkOptions (ppd_file,
-                           dialog->destination->num_options,
-                           dialog->destination->options);
+                           self->destination->num_options,
+                           self->destination->options);
 
           for (i = 0; i < ppd_file->num_groups; i++)
             {
@@ -620,9 +620,9 @@ populate_options_real (PpOptionsDialog *dialog)
                         grid = advanced_tab_grid;
 
                       ppd_option_add (ppd_file->groups[i].options[j],
-                                      dialog->printer_name,
+                                      self->printer_name,
                                       grid,
-                                      dialog->sensitive);
+                                      self->sensitive);
                     }
                 }
             }
@@ -631,26 +631,26 @@ populate_options_real (PpOptionsDialog *dialog)
         }
     }
 
-  dialog->ppd_filename_set = FALSE;
-  if (dialog->ppd_filename)
+  self->ppd_filename_set = FALSE;
+  if (self->ppd_filename)
     {
-      g_unlink (dialog->ppd_filename);
-      g_free (dialog->ppd_filename);
-      dialog->ppd_filename = NULL;
+      g_unlink (self->ppd_filename);
+      g_free (self->ppd_filename);
+      self->ppd_filename = NULL;
     }
 
-  dialog->destination_set = FALSE;
-  if (dialog->destination)
+  self->destination_set = FALSE;
+  if (self->destination)
     {
-      cupsFreeDests (1, dialog->destination);
-      dialog->destination = NULL;
+      cupsFreeDests (1, self->destination);
+      self->destination = NULL;
     }
 
-  dialog->ipp_attributes_set = FALSE;
-  if (dialog->ipp_attributes)
+  self->ipp_attributes_set = FALSE;
+  if (self->ipp_attributes)
     {
-      g_hash_table_unref (dialog->ipp_attributes);
-      dialog->ipp_attributes = NULL;
+      g_hash_table_unref (self->ipp_attributes);
+      self->ipp_attributes = NULL;
     }
 
   /* Translators: "General" tab contains general printer options */
@@ -684,17 +684,17 @@ populate_options_real (PpOptionsDialog *dialog)
     {
       g_signal_connect (selection,
                         "changed",
-                        G_CALLBACK (category_selection_changed_cb), dialog);
+                        G_CALLBACK (category_selection_changed_cb), self);
 
       if ((model = gtk_tree_view_get_model (treeview)) != NULL &&
           gtk_tree_model_get_iter_first (model, &iter))
         gtk_tree_selection_select_iter (selection, &iter);
     }
 
-  dialog->populating_dialog = FALSE;
-  if (dialog->response != GTK_RESPONSE_NONE)
+  self->populating_dialog = FALSE;
+  if (self->response != GTK_RESPONSE_NONE)
     {
-      dialog->user_callback (GTK_DIALOG (dialog->dialog), dialog->response, dialog->user_data);
+      self->user_callback (GTK_DIALOG (self->dialog), self->response, self->user_data);
     }
 }
 
@@ -702,21 +702,21 @@ static void
 printer_get_ppd_cb (const gchar *ppd_filename,
                     gpointer     user_data)
 {
-  PpOptionsDialog *dialog = (PpOptionsDialog *) user_data;
+  PpOptionsDialog *self = (PpOptionsDialog *) user_data;
 
-  if (dialog->ppd_filename)
+  if (self->ppd_filename)
     {
-      g_unlink (dialog->ppd_filename);
-      g_free (dialog->ppd_filename);
+      g_unlink (self->ppd_filename);
+      g_free (self->ppd_filename);
     }
 
-  dialog->ppd_filename = g_strdup (ppd_filename);
-  dialog->ppd_filename_set = TRUE;
+  self->ppd_filename = g_strdup (ppd_filename);
+  self->ppd_filename_set = TRUE;
 
-  if (dialog->destination_set &&
-      dialog->ipp_attributes_set)
+  if (self->destination_set &&
+      self->ipp_attributes_set)
     {
-      populate_options_real (dialog);
+      populate_options_real (self);
     }
 }
 
@@ -724,18 +724,18 @@ static void
 get_named_dest_cb (cups_dest_t *dest,
                    gpointer     user_data)
 {
-  PpOptionsDialog *dialog = (PpOptionsDialog *) user_data;
+  PpOptionsDialog *self = (PpOptionsDialog *) user_data;
 
-  if (dialog->destination)
-    cupsFreeDests (1, dialog->destination);
+  if (self->destination)
+    cupsFreeDests (1, self->destination);
 
-  dialog->destination = dest;
-  dialog->destination_set = TRUE;
+  self->destination = dest;
+  self->destination_set = TRUE;
 
-  if (dialog->ppd_filename_set &&
-      dialog->ipp_attributes_set)
+  if (self->ppd_filename_set &&
+      self->ipp_attributes_set)
     {
-      populate_options_real (dialog);
+      populate_options_real (self);
     }
 }
 
@@ -743,23 +743,23 @@ static void
 get_ipp_attributes_cb (GHashTable *table,
                        gpointer    user_data)
 {
-  PpOptionsDialog *dialog = (PpOptionsDialog *) user_data;
+  PpOptionsDialog *self = (PpOptionsDialog *) user_data;
 
-  if (dialog->ipp_attributes)
-    g_hash_table_unref (dialog->ipp_attributes);
+  if (self->ipp_attributes)
+    g_hash_table_unref (self->ipp_attributes);
 
-  dialog->ipp_attributes = table;
-  dialog->ipp_attributes_set = TRUE;
+  self->ipp_attributes = table;
+  self->ipp_attributes_set = TRUE;
 
-  if (dialog->ppd_filename_set &&
-      dialog->destination_set)
+  if (self->ppd_filename_set &&
+      self->destination_set)
     {
-      populate_options_real (dialog);
+      populate_options_real (self);
     }
 }
 
 static void
-populate_options (PpOptionsDialog *dialog)
+populate_options (PpOptionsDialog *self)
 {
   GtkTreeViewColumn  *column;
   GtkCellRenderer    *renderer;
@@ -781,11 +781,11 @@ populate_options (PpOptionsDialog *dialog)
       NULL};
 
   widget = (GtkWidget*)
-    gtk_builder_get_object (dialog->builder, "stack");
+    gtk_builder_get_object (self->builder, "stack");
   gtk_stack_set_visible_child_name (GTK_STACK (widget), "progress-box");
 
   treeview = (GtkTreeView *)
-    gtk_builder_get_object (dialog->builder, "options-categories-treeview");
+    gtk_builder_get_object (self->builder, "options-categories-treeview");
 
   renderer = gtk_cell_renderer_text_new ();
 
@@ -795,23 +795,23 @@ populate_options (PpOptionsDialog *dialog)
   gtk_tree_view_append_column (treeview, column);
 
   widget = (GtkWidget*)
-    gtk_builder_get_object (dialog->builder, "options-spinner");
+    gtk_builder_get_object (self->builder, "options-spinner");
   gtk_spinner_start (GTK_SPINNER (widget));
 
-  printer_get_ppd_async (dialog->printer_name,
+  printer_get_ppd_async (self->printer_name,
                          NULL,
                          0,
                          printer_get_ppd_cb,
-                         dialog);
+                         self);
 
-  get_named_dest_async (dialog->printer_name,
+  get_named_dest_async (self->printer_name,
                         get_named_dest_cb,
-                        dialog);
+                        self);
 
-  get_ipp_attributes_async (dialog->printer_name,
+  get_ipp_attributes_async (self->printer_name,
                             (gchar **) attributes,
                             get_ipp_attributes_cb,
-                            dialog);
+                            self);
 }
 
 static void
@@ -862,10 +862,10 @@ static void
 test_page_cb (GtkButton *button,
               gpointer   user_data)
 {
-  PpOptionsDialog *dialog = (PpOptionsDialog*) user_data;
+  PpOptionsDialog *self = (PpOptionsDialog*) user_data;
   gint             i;
 
-  if (dialog->printer_name)
+  if (self->printer_name)
     {
       const gchar  *const dirs[] = { "/usr/share/cups",
                                      "/usr/local/share/cups",
@@ -888,7 +888,7 @@ test_page_cb (GtkButton *button,
         {
           PpPrinter *printer;
 
-          printer = pp_printer_new (dialog->printer_name);
+          printer = pp_printer_new (self->printer_name);
           pp_printer_print_file_async (printer,
                                        filename,
           /* Translators: Name of job which makes printer to print test page */
@@ -903,7 +903,7 @@ test_page_cb (GtkButton *button,
         {
           PpMaintenanceCommand *command;
 
-          command = pp_maintenance_command_new (dialog->printer_name,
+          command = pp_maintenance_command_new (self->printer_name,
                                                 "PrintSelfTestPage",
                                                 NULL,
           /* Translators: Name of job which makes printer to print test page */
@@ -919,13 +919,13 @@ options_dialog_response_cb (GtkDialog *_dialog,
                             gint       response_id,
                             gpointer   user_data)
 {
-  PpOptionsDialog *dialog = (PpOptionsDialog*) user_data;
+  PpOptionsDialog *self = (PpOptionsDialog*) user_data;
 
-  pp_options_dialog_hide (dialog);
-  dialog->response = response_id;
+  pp_options_dialog_hide (self);
+  self->response = response_id;
 
-  if (!dialog->populating_dialog)
-    dialog->user_callback (GTK_DIALOG (dialog->dialog), response_id, dialog->user_data);
+  if (!self->populating_dialog)
+    self->user_callback (GTK_DIALOG (self->dialog), response_id, self->user_data);
 }
 
 PpOptionsDialog *
@@ -935,18 +935,18 @@ pp_options_dialog_new (GtkWindow            *parent,
                        gchar                *printer_name,
                        gboolean              sensitive)
 {
-  PpOptionsDialog  *dialog;
+  PpOptionsDialog  *self;
   GtkWidget        *test_page_button;
   g_autoptr(GError) error = NULL;
   gchar            *objects[] = { "options-dialog", NULL };
   guint             builder_result;
 
-  dialog = g_new0 (PpOptionsDialog, 1);
+  self = g_new0 (PpOptionsDialog, 1);
 
-  dialog->builder = gtk_builder_new ();
-  dialog->parent = GTK_WIDGET (parent);
+  self->builder = gtk_builder_new ();
+  self->parent = GTK_WIDGET (parent);
 
-  builder_result = gtk_builder_add_objects_from_resource (dialog->builder,
+  builder_result = gtk_builder_add_objects_from_resource (self->builder,
                                                           
"/org/gnome/control-center/printers/options-dialog.ui",
                                                           objects, &error);
 
@@ -956,90 +956,90 @@ pp_options_dialog_new (GtkWindow            *parent,
       return NULL;
     }
 
-  dialog->dialog = (GtkWidget *) gtk_builder_get_object (dialog->builder, "options-dialog");
-  gtk_window_set_transient_for (GTK_WINDOW (dialog->dialog), GTK_WINDOW (parent));
+  self->dialog = (GtkWidget *) gtk_builder_get_object (self->builder, "options-dialog");
+  gtk_window_set_transient_for (GTK_WINDOW (self->dialog), GTK_WINDOW (parent));
 
-  dialog->user_callback = user_callback;
-  dialog->user_data = user_data;
+  self->user_callback = user_callback;
+  self->user_data = user_data;
 
-  dialog->printer_name = g_strdup (printer_name);
+  self->printer_name = g_strdup (printer_name);
 
-  dialog->ppd_filename = NULL;
-  dialog->ppd_filename_set = FALSE;
+  self->ppd_filename = NULL;
+  self->ppd_filename_set = FALSE;
 
-  dialog->destination = NULL;
-  dialog->destination_set = FALSE;
+  self->destination = NULL;
+  self->destination_set = FALSE;
 
-  dialog->ipp_attributes = NULL;
-  dialog->ipp_attributes_set = FALSE;
+  self->ipp_attributes = NULL;
+  self->ipp_attributes_set = FALSE;
 
-  dialog->response = GTK_RESPONSE_NONE;
+  self->response = GTK_RESPONSE_NONE;
 
-  dialog->sensitive = sensitive;
+  self->sensitive = sensitive;
 
   /* connect signals */
-  g_signal_connect (dialog->dialog, "response", G_CALLBACK (options_dialog_response_cb), dialog);
-  test_page_button = (GtkWidget*) gtk_builder_get_object (dialog->builder, "print-test-page");
-  g_signal_connect (test_page_button, "clicked", G_CALLBACK (test_page_cb), dialog);
+  g_signal_connect (self->dialog, "response", G_CALLBACK (options_dialog_response_cb), self);
+  test_page_button = (GtkWidget*) gtk_builder_get_object (self->builder, "print-test-page");
+  g_signal_connect (test_page_button, "clicked", G_CALLBACK (test_page_cb), self);
 
-  gtk_window_set_title (GTK_WINDOW (dialog->dialog), printer_name);
+  gtk_window_set_title (GTK_WINDOW (self->dialog), printer_name);
 
-  gtk_widget_show_all (GTK_WIDGET (dialog->dialog));
+  gtk_widget_show_all (GTK_WIDGET (self->dialog));
 
-  dialog->populating_dialog = TRUE;
-  populate_options (dialog);
+  self->populating_dialog = TRUE;
+  populate_options (self);
 
-  return dialog;
+  return self;
 }
 
 void
-pp_options_dialog_set_callback (PpOptionsDialog      *dialog,
+pp_options_dialog_set_callback (PpOptionsDialog      *self,
                                 UserResponseCallback  user_callback,
                                 gpointer              user_data)
 {
-  if (dialog != NULL)
+  if (self != NULL)
     {
-      dialog->user_callback = user_callback;
-      dialog->user_data = user_data;
+      self->user_callback = user_callback;
+      self->user_data = user_data;
     }
 }
 
 void
-pp_options_dialog_free (PpOptionsDialog *dialog)
+pp_options_dialog_free (PpOptionsDialog *self)
 {
-  gtk_widget_destroy (GTK_WIDGET (dialog->dialog));
-  dialog->dialog = NULL;
+  gtk_widget_destroy (GTK_WIDGET (self->dialog));
+  self->dialog = NULL;
 
-  g_object_unref (dialog->builder);
-  dialog->builder = NULL;
+  g_object_unref (self->builder);
+  self->builder = NULL;
 
-  g_free (dialog->printer_name);
-  dialog->printer_name = NULL;
+  g_free (self->printer_name);
+  self->printer_name = NULL;
 
-  if (dialog->ppd_filename)
+  if (self->ppd_filename)
     {
-      g_unlink (dialog->ppd_filename);
-      g_free (dialog->ppd_filename);
-      dialog->ppd_filename = NULL;
+      g_unlink (self->ppd_filename);
+      g_free (self->ppd_filename);
+      self->ppd_filename = NULL;
     }
 
-  if (dialog->destination)
+  if (self->destination)
     {
-      cupsFreeDests (1, dialog->destination);
-      dialog->destination = NULL;
+      cupsFreeDests (1, self->destination);
+      self->destination = NULL;
     }
 
-  if (dialog->ipp_attributes)
+  if (self->ipp_attributes)
     {
-      g_hash_table_unref (dialog->ipp_attributes);
-      dialog->ipp_attributes = NULL;
+      g_hash_table_unref (self->ipp_attributes);
+      self->ipp_attributes = NULL;
     }
 
-  g_free (dialog);
+  g_free (self);
 }
 
 static void
-pp_options_dialog_hide (PpOptionsDialog *dialog)
+pp_options_dialog_hide (PpOptionsDialog *self)
 {
-  gtk_widget_hide (GTK_WIDGET (dialog->dialog));
+  gtk_widget_hide (GTK_WIDGET (self->dialog));
 }
diff --git a/panels/printers/pp-ppd-option-widget.c b/panels/printers/pp-ppd-option-widget.c
index 6beddc089..ae8b89369 100644
--- a/panels/printers/pp-ppd-option-widget.c
+++ b/panels/printers/pp-ppd-option-widget.c
@@ -31,9 +31,9 @@
 
 static void pp_ppd_option_widget_finalize (GObject *object);
 
-static gboolean construct_widget   (PpPPDOptionWidget *widget);
-static void     update_widget      (PpPPDOptionWidget *widget);
-static void     update_widget_real (PpPPDOptionWidget *widget);
+static gboolean construct_widget   (PpPPDOptionWidget *self);
+static void     update_widget      (PpPPDOptionWidget *self);
+static void     update_widget_real (PpPPDOptionWidget *self);
 
 struct _PpPPDOptionWidget
 {
@@ -142,45 +142,45 @@ pp_ppd_option_widget_class_init (PpPPDOptionWidgetClass *class)
 }
 
 static void
-pp_ppd_option_widget_init (PpPPDOptionWidget *widget)
+pp_ppd_option_widget_init (PpPPDOptionWidget *self)
 {
-  gtk_orientable_set_orientation (GTK_ORIENTABLE (widget),
+  gtk_orientable_set_orientation (GTK_ORIENTABLE (self),
                                   GTK_ORIENTATION_HORIZONTAL);
 
-  widget->switch_button = NULL;
-  widget->combo = NULL;
-  widget->image = NULL;
-  widget->box = NULL;
+  self->switch_button = NULL;
+  self->combo = NULL;
+  self->image = NULL;
+  self->box = NULL;
 
-  widget->printer_name = NULL;
-  widget->option_name = NULL;
+  self->printer_name = NULL;
+  self->option_name = NULL;
 
-  widget->destination = NULL;
-  widget->destination_set = FALSE;
+  self->destination = NULL;
+  self->destination_set = FALSE;
 
-  widget->ppd_filename = NULL;
-  widget->ppd_filename_set = FALSE;
+  self->ppd_filename = NULL;
+  self->ppd_filename_set = FALSE;
 }
 
 static void
 pp_ppd_option_widget_finalize (GObject *object)
 {
-  PpPPDOptionWidget        *widget = PP_PPD_OPTION_WIDGET (object);
+  PpPPDOptionWidget *self = PP_PPD_OPTION_WIDGET (object);
 
-  g_cancellable_cancel (widget->cancellable);
-  if (widget->ppd_filename)
-    g_unlink (widget->ppd_filename);
+  g_cancellable_cancel (self->cancellable);
+  if (self->ppd_filename)
+    g_unlink (self->ppd_filename);
 
-  g_clear_pointer (&widget->option, cups_option_free);
-  g_clear_pointer (&widget->printer_name, g_free);
-  g_clear_pointer (&widget->option_name, g_free);
-  if (widget->destination)
+  g_clear_pointer (&self->option, cups_option_free);
+  g_clear_pointer (&self->printer_name, g_free);
+  g_clear_pointer (&self->option_name, g_free);
+  if (self->destination)
     {
-      cupsFreeDests (1, widget->destination);
-      widget->destination = NULL;
+      cupsFreeDests (1, self->destination);
+      self->destination = NULL;
     }
-  g_clear_pointer (&widget->ppd_filename, g_free);
-  g_clear_object (&widget->cancellable);
+  g_clear_pointer (&self->ppd_filename, g_free);
+  g_clear_object (&self->cancellable);
 
   G_OBJECT_CLASS (pp_ppd_option_widget_parent_class)->finalize (object);
 }
@@ -205,29 +205,29 @@ GtkWidget *
 pp_ppd_option_widget_new (ppd_option_t *option,
                           const gchar  *printer_name)
 {
-  PpPPDOptionWidget        *widget = NULL;
+  PpPPDOptionWidget *self = NULL;
 
   if (option && printer_name)
     {
-      widget = g_object_new (PP_TYPE_PPD_OPTION_WIDGET, NULL);
+      self = g_object_new (PP_TYPE_PPD_OPTION_WIDGET, NULL);
 
-      widget->printer_name = g_strdup (printer_name);
-      widget->option = cups_option_copy (option);
-      widget->option_name = g_strdup (option->keyword);
+      self->printer_name = g_strdup (printer_name);
+      self->option = cups_option_copy (option);
+      self->option_name = g_strdup (option->keyword);
 
-      if (construct_widget (widget))
+      if (construct_widget (self))
         {
-          update_widget_real (widget);
+          update_widget_real (self);
         }
       else
         {
-          g_object_ref_sink (widget);
-          g_object_unref (widget);
-          widget = NULL;
+          g_object_ref_sink (self);
+          g_object_unref (self);
+          self = NULL;
         }
     }
 
-  return (GtkWidget *) widget;
+  return (GtkWidget *) self;
 }
 
 enum {
@@ -335,16 +335,16 @@ static void
 printer_add_option_async_cb (gboolean success,
                              gpointer user_data)
 {
-  PpPPDOptionWidget        *widget = (PpPPDOptionWidget *) user_data;
+  PpPPDOptionWidget *self = user_data;
 
   update_widget (user_data);
-  g_clear_object (&widget->cancellable);
+  g_clear_object (&self->cancellable);
 }
 
 static void
 switch_changed_cb (GtkWidget         *switch_button,
                    GParamSpec        *pspec,
-                   PpPPDOptionWidget *widget)
+                   PpPPDOptionWidget *self)
 {
   gchar                    **values;
 
@@ -355,104 +355,104 @@ switch_changed_cb (GtkWidget         *switch_button,
   else
     values[0] = g_strdup ("False");
 
-  if (widget->cancellable)
+  if (self->cancellable)
     {
-      g_cancellable_cancel (widget->cancellable);
-      g_object_unref (widget->cancellable);
+      g_cancellable_cancel (self->cancellable);
+      g_object_unref (self->cancellable);
     }
 
-  widget->cancellable = g_cancellable_new ();
-  printer_add_option_async (widget->printer_name,
-                            widget->option_name,
+  self->cancellable = g_cancellable_new ();
+  printer_add_option_async (self->printer_name,
+                            self->option_name,
                             values,
                             FALSE,
-                            widget->cancellable,
+                            self->cancellable,
                             printer_add_option_async_cb,
-                            widget);
+                            self);
 
   g_strfreev (values);
 }
 
 static void
 combo_changed_cb (GtkWidget         *combo,
-                  PpPPDOptionWidget *widget)
+                  PpPPDOptionWidget *self)
 {
   gchar                    **values;
 
   values = g_new0 (gchar *, 2);
   values[0] = combo_box_get (combo);
 
-  if (widget->cancellable)
+  if (self->cancellable)
     {
-      g_cancellable_cancel (widget->cancellable);
-      g_object_unref (widget->cancellable);
+      g_cancellable_cancel (self->cancellable);
+      g_object_unref (self->cancellable);
     }
 
-  widget->cancellable = g_cancellable_new ();
-  printer_add_option_async (widget->printer_name,
-                            widget->option_name,
+  self->cancellable = g_cancellable_new ();
+  printer_add_option_async (self->printer_name,
+                            self->option_name,
                             values,
                             FALSE,
-                            widget->cancellable,
+                            self->cancellable,
                             printer_add_option_async_cb,
-                            widget);
+                            self);
 
   g_strfreev (values);
 }
 
 static gboolean
-construct_widget (PpPPDOptionWidget *widget)
+construct_widget (PpPPDOptionWidget *self)
 {
   gint                      i;
 
   /* Don't show options which has only one choice */
-  if (widget->option && widget->option->num_choices > 1)
+  if (self->option && self->option->num_choices > 1)
     {
-      switch (widget->option->ui)
+      switch (self->option->ui)
         {
           case PPD_UI_BOOLEAN:
-              widget->switch_button = gtk_switch_new ();
-              g_signal_connect (widget->switch_button, "notify::active", G_CALLBACK (switch_changed_cb), 
widget);
-              gtk_box_pack_start (GTK_BOX (widget), widget->switch_button, FALSE, FALSE, 0);
+              self->switch_button = gtk_switch_new ();
+              g_signal_connect (self->switch_button, "notify::active", G_CALLBACK (switch_changed_cb), self);
+              gtk_box_pack_start (GTK_BOX (self), self->switch_button, FALSE, FALSE, 0);
               break;
 
           case PPD_UI_PICKONE:
-              widget->combo = combo_box_new ();
+              self->combo = combo_box_new ();
 
-              for (i = 0; i < widget->option->num_choices; i++)
+              for (i = 0; i < self->option->num_choices; i++)
                 {
-                  combo_box_append (widget->combo,
-                                    ppd_choice_translate (&widget->option->choices[i]),
-                                    widget->option->choices[i].choice);
+                  combo_box_append (self->combo,
+                                    ppd_choice_translate (&self->option->choices[i]),
+                                    self->option->choices[i].choice);
                 }
 
-              gtk_box_pack_start (GTK_BOX (widget), widget->combo, FALSE, FALSE, 0);
-              g_signal_connect (widget->combo, "changed", G_CALLBACK (combo_changed_cb), widget);
+              gtk_box_pack_start (GTK_BOX (self), self->combo, FALSE, FALSE, 0);
+              g_signal_connect (self->combo, "changed", G_CALLBACK (combo_changed_cb), self);
               break;
 
           case PPD_UI_PICKMANY:
-              widget->combo = combo_box_new ();
+              self->combo = combo_box_new ();
 
-              for (i = 0; i < widget->option->num_choices; i++)
+              for (i = 0; i < self->option->num_choices; i++)
                 {
-                  combo_box_append (widget->combo,
-                                    ppd_choice_translate (&widget->option->choices[i]),
-                                    widget->option->choices[i].choice);
+                  combo_box_append (self->combo,
+                                    ppd_choice_translate (&self->option->choices[i]),
+                                    self->option->choices[i].choice);
                 }
 
-              gtk_box_pack_start (GTK_BOX (widget), widget->combo, TRUE, TRUE, 0);
-              g_signal_connect (widget->combo, "changed", G_CALLBACK (combo_changed_cb), widget);
+              gtk_box_pack_start (GTK_BOX (self), self->combo, TRUE, TRUE, 0);
+              g_signal_connect (self->combo, "changed", G_CALLBACK (combo_changed_cb), self);
               break;
 
           default:
               break;
         }
 
-      widget->image = gtk_image_new_from_icon_name ("dialog-warning-symbolic", GTK_ICON_SIZE_MENU);
-      if (!widget->image)
-        widget->image = gtk_image_new_from_icon_name ("dialog-warning", GTK_ICON_SIZE_MENU);
-      gtk_box_pack_start (GTK_BOX (widget), widget->image, FALSE, FALSE, 0);
-      gtk_widget_set_no_show_all (GTK_WIDGET (widget->image), TRUE);
+      self->image = gtk_image_new_from_icon_name ("dialog-warning-symbolic", GTK_ICON_SIZE_MENU);
+      if (!self->image)
+        self->image = gtk_image_new_from_icon_name ("dialog-warning", GTK_ICON_SIZE_MENU);
+      gtk_box_pack_start (GTK_BOX (self), self->image, FALSE, FALSE, 0);
+      gtk_widget_set_no_show_all (GTK_WIDGET (self->image), TRUE);
 
       return TRUE;
     }
@@ -463,22 +463,22 @@ construct_widget (PpPPDOptionWidget *widget)
 }
 
 static void
-update_widget_real (PpPPDOptionWidget *widget)
+update_widget_real (PpPPDOptionWidget *self)
 {
   ppd_option_t             *option = NULL, *iter;
   ppd_file_t               *ppd_file;
   gchar                    *value = NULL;
   gint                      i;
 
-  if (widget->option)
+  if (self->option)
     {
-      option = cups_option_copy (widget->option);
-      cups_option_free (widget->option);
-      widget->option = NULL;
+      option = cups_option_copy (self->option);
+      cups_option_free (self->option);
+      self->option = NULL;
     }
-  else if (widget->ppd_filename)
+  else if (self->ppd_filename)
     {
-      ppd_file = ppdOpenFile (widget->ppd_filename);
+      ppd_file = ppdOpenFile (self->ppd_filename);
       ppdLocalize (ppd_file);
 
       if (ppd_file)
@@ -487,7 +487,7 @@ update_widget_real (PpPPDOptionWidget *widget)
 
           for (iter = ppdFirstOption(ppd_file); iter; iter = ppdNextOption(ppd_file))
             {
-              if (g_str_equal (iter->keyword, widget->option_name))
+              if (g_str_equal (iter->keyword, self->option_name))
                 {
                   option = cups_option_copy (iter);
                   break;
@@ -497,9 +497,9 @@ update_widget_real (PpPPDOptionWidget *widget)
           ppdClose (ppd_file);
         }
 
-      g_unlink (widget->ppd_filename);
-      g_free (widget->ppd_filename);
-      widget->ppd_filename = NULL;
+      g_unlink (self->ppd_filename);
+      g_free (self->ppd_filename);
+      self->ppd_filename = NULL;
     }
 
   if (option)
@@ -516,24 +516,24 @@ update_widget_real (PpPPDOptionWidget *widget)
           switch (option->ui)
             {
               case PPD_UI_BOOLEAN:
-                g_signal_handlers_block_by_func (widget->switch_button, switch_changed_cb, widget);
+                g_signal_handlers_block_by_func (self->switch_button, switch_changed_cb, self);
                 if (g_ascii_strcasecmp (value, "True") == 0)
-                  gtk_switch_set_active (GTK_SWITCH (widget->switch_button), TRUE);
+                  gtk_switch_set_active (GTK_SWITCH (self->switch_button), TRUE);
                 else
-                  gtk_switch_set_active (GTK_SWITCH (widget->switch_button), FALSE);
-                g_signal_handlers_unblock_by_func (widget->switch_button, switch_changed_cb, widget);
+                  gtk_switch_set_active (GTK_SWITCH (self->switch_button), FALSE);
+                g_signal_handlers_unblock_by_func (self->switch_button, switch_changed_cb, self);
                 break;
 
               case PPD_UI_PICKONE:
-                g_signal_handlers_block_by_func (widget->combo, combo_changed_cb, widget);
-                combo_box_set (widget->combo, value);
-                g_signal_handlers_unblock_by_func (widget->combo, combo_changed_cb, widget);
+                g_signal_handlers_block_by_func (self->combo, combo_changed_cb, self);
+                combo_box_set (self->combo, value);
+                g_signal_handlers_unblock_by_func (self->combo, combo_changed_cb, self);
                 break;
 
               case PPD_UI_PICKMANY:
-                g_signal_handlers_block_by_func (widget->combo, combo_changed_cb, widget);
-                combo_box_set (widget->combo, value);
-                g_signal_handlers_unblock_by_func (widget->combo, combo_changed_cb, widget);
+                g_signal_handlers_block_by_func (self->combo, combo_changed_cb, self);
+                combo_box_set (self->combo, value);
+                g_signal_handlers_unblock_by_func (self->combo, combo_changed_cb, self);
                 break;
 
               default:
@@ -544,9 +544,9 @@ update_widget_real (PpPPDOptionWidget *widget)
         }
 
       if (option->conflicted)
-        gtk_widget_show (widget->image);
+        gtk_widget_show (self->image);
       else
-        gtk_widget_hide (widget->image);
+        gtk_widget_hide (self->image);
     }
 
   cups_option_free (option);
@@ -556,17 +556,17 @@ static void
 get_named_dest_cb (cups_dest_t *dest,
                    gpointer     user_data)
 {
-  PpPPDOptionWidget        *widget = (PpPPDOptionWidget *) user_data;
+  PpPPDOptionWidget *self = user_data;
 
-  if (widget->destination)
-    cupsFreeDests (1, widget->destination);
+  if (self->destination)
+    cupsFreeDests (1, self->destination);
 
-  widget->destination = dest;
-  widget->destination_set = TRUE;
+  self->destination = dest;
+  self->destination_set = TRUE;
 
-  if (widget->ppd_filename_set)
+  if (self->ppd_filename_set)
     {
-      update_widget_real (widget);
+      update_widget_real (self);
     }
 }
 
@@ -574,36 +574,36 @@ static void
 printer_get_ppd_cb (const gchar *ppd_filename,
                     gpointer     user_data)
 {
-  PpPPDOptionWidget        *widget = (PpPPDOptionWidget *) user_data;
+  PpPPDOptionWidget *self = user_data;
 
-  if (widget->ppd_filename)
+  if (self->ppd_filename)
     {
-      g_unlink (widget->ppd_filename);
-      g_free (widget->ppd_filename);
+      g_unlink (self->ppd_filename);
+      g_free (self->ppd_filename);
     }
 
-  widget->ppd_filename = g_strdup (ppd_filename);
-  widget->ppd_filename_set = TRUE;
+  self->ppd_filename = g_strdup (ppd_filename);
+  self->ppd_filename_set = TRUE;
 
-  if (widget->destination_set)
+  if (self->destination_set)
     {
-      update_widget_real (widget);
+      update_widget_real (self);
     }
 }
 
 static void
-update_widget (PpPPDOptionWidget *widget)
+update_widget (PpPPDOptionWidget *self)
 {
-  widget->ppd_filename_set = FALSE;
-  widget->destination_set = FALSE;
+  self->ppd_filename_set = FALSE;
+  self->destination_set = FALSE;
 
-  get_named_dest_async (widget->printer_name,
+  get_named_dest_async (self->printer_name,
                         get_named_dest_cb,
-                        widget);
+                        self);
 
-  printer_get_ppd_async (widget->printer_name,
+  printer_get_ppd_async (self->printer_name,
                          NULL,
                          0,
                          printer_get_ppd_cb,
-                         widget);
+                         self);
 }
diff --git a/panels/printers/pp-ppd-selection-dialog.c b/panels/printers/pp-ppd-selection-dialog.c
index 62f9ae64c..9be6c4dfc 100644
--- a/panels/printers/pp-ppd-selection-dialog.c
+++ b/panels/printers/pp-ppd-selection-dialog.c
@@ -70,7 +70,7 @@ static void
 manufacturer_selection_changed_cb (GtkTreeSelection *selection,
                                    gpointer          user_data)
 {
-  PpPPDSelectionDialog *dialog = (PpPPDSelectionDialog *) user_data;
+  PpPPDSelectionDialog *self = user_data;
   GtkListStore         *store;
   GtkTreeModel         *model;
   GtkTreeIter           iter;
@@ -88,10 +88,10 @@ manufacturer_selection_changed_cb (GtkTreeSelection *selection,
   if (manufacturer_name)
     {
       index = -1;
-      for (i = 0; i < dialog->list->num_of_manufacturers; i++)
+      for (i = 0; i < self->list->num_of_manufacturers; i++)
         {
           if (g_strcmp0 (manufacturer_name,
-                         dialog->list->manufacturers[i]->manufacturer_name) == 0)
+                         self->list->manufacturers[i]->manufacturer_name) == 0)
             {
               index = i;
               break;
@@ -101,16 +101,16 @@ manufacturer_selection_changed_cb (GtkTreeSelection *selection,
       if (index >= 0)
         {
           models_treeview = (GtkTreeView*)
-            gtk_builder_get_object (dialog->builder, "ppd-selection-models-treeview");
+            gtk_builder_get_object (self->builder, "ppd-selection-models-treeview");
 
           store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
 
-          for (i = 0; i < dialog->list->manufacturers[index]->num_of_ppds; i++)
+          for (i = 0; i < self->list->manufacturers[index]->num_of_ppds; i++)
             {
               gtk_list_store_append (store, &iter);
               gtk_list_store_set (store, &iter,
-                                  PPD_NAMES_COLUMN, dialog->list->manufacturers[index]->ppds[i]->ppd_name,
-                                  PPD_DISPLAY_NAMES_COLUMN, 
dialog->list->manufacturers[index]->ppds[i]->ppd_display_name,
+                                  PPD_NAMES_COLUMN, self->list->manufacturers[index]->ppds[i]->ppd_name,
+                                  PPD_DISPLAY_NAMES_COLUMN, 
self->list->manufacturers[index]->ppds[i]->ppd_display_name,
                                   -1);
             }
 
@@ -127,7 +127,7 @@ static void
 model_selection_changed_cb (GtkTreeSelection *selection,
                             gpointer          user_data)
 {
-  PpPPDSelectionDialog *dialog = (PpPPDSelectionDialog *) user_data;
+  PpPPDSelectionDialog *self = user_data;
   GtkTreeModel         *model;
   GtkTreeIter           iter;
   GtkWidget            *widget;
@@ -141,7 +141,7 @@ model_selection_changed_cb (GtkTreeSelection *selection,
     }
 
   widget = (GtkWidget*)
-    gtk_builder_get_object (dialog->builder, "ppd-selection-select-button");
+    gtk_builder_get_object (self->builder, "ppd-selection-select-button");
 
   if (model_name)
     {
@@ -155,7 +155,7 @@ model_selection_changed_cb (GtkTreeSelection *selection,
 }
 
 static void
-fill_ppds_list (PpPPDSelectionDialog *dialog)
+fill_ppds_list (PpPPDSelectionDialog *self)
 {
   GtkTreeSelection *selection;
   GtkListStore     *store;
@@ -167,31 +167,31 @@ fill_ppds_list (PpPPDSelectionDialog *dialog)
   gint              i;
 
   widget = (GtkWidget*)
-    gtk_builder_get_object (dialog->builder, "ppd-spinner");
+    gtk_builder_get_object (self->builder, "ppd-spinner");
   gtk_widget_hide (widget);
   gtk_spinner_stop (GTK_SPINNER (widget));
 
   widget = (GtkWidget*)
-    gtk_builder_get_object (dialog->builder, "progress-label");
+    gtk_builder_get_object (self->builder, "progress-label");
   gtk_widget_hide (widget);
 
   treeview = (GtkTreeView*)
-    gtk_builder_get_object (dialog->builder, "ppd-selection-manufacturers-treeview");
+    gtk_builder_get_object (self->builder, "ppd-selection-manufacturers-treeview");
 
-  if (dialog->list)
+  if (self->list)
     {
       store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
 
-      for (i = 0; i < dialog->list->num_of_manufacturers; i++)
+      for (i = 0; i < self->list->num_of_manufacturers; i++)
         {
           gtk_list_store_append (store, &iter);
           gtk_list_store_set (store, &iter,
-                              PPD_MANUFACTURERS_NAMES_COLUMN, 
dialog->list->manufacturers[i]->manufacturer_name,
-                              PPD_MANUFACTURERS_DISPLAY_NAMES_COLUMN, 
dialog->list->manufacturers[i]->manufacturer_display_name,
+                              PPD_MANUFACTURERS_NAMES_COLUMN, 
self->list->manufacturers[i]->manufacturer_name,
+                              PPD_MANUFACTURERS_DISPLAY_NAMES_COLUMN, 
self->list->manufacturers[i]->manufacturer_display_name,
                               -1);
 
-          if (g_strcmp0 (dialog->manufacturer,
-                         dialog->list->manufacturers[i]->manufacturer_display_name) == 0)
+          if (g_strcmp0 (self->manufacturer,
+                         self->list->manufacturers[i]->manufacturer_display_name) == 0)
             {
               preselect_iter = gtk_tree_iter_copy (&iter);
             }
@@ -214,7 +214,7 @@ fill_ppds_list (PpPPDSelectionDialog *dialog)
 }
 
 static void
-populate_dialog (PpPPDSelectionDialog *dialog)
+populate_dialog (PpPPDSelectionDialog *self)
 {
   GtkTreeViewColumn *column;
   GtkCellRenderer   *renderer;
@@ -224,7 +224,7 @@ populate_dialog (PpPPDSelectionDialog *dialog)
   GtkWidget         *header;
 
   manufacturers_treeview = (GtkTreeView*)
-    gtk_builder_get_object (dialog->builder, "ppd-selection-manufacturers-treeview");
+    gtk_builder_get_object (self->builder, "ppd-selection-manufacturers-treeview");
 
   renderer = gtk_cell_renderer_text_new ();
   gtk_cell_renderer_set_padding (renderer, 10, 0);
@@ -241,7 +241,7 @@ populate_dialog (PpPPDSelectionDialog *dialog)
 
 
   models_treeview = (GtkTreeView*)
-    gtk_builder_get_object (dialog->builder, "ppd-selection-models-treeview");
+    gtk_builder_get_object (self->builder, "ppd-selection-models-treeview");
 
   renderer = gtk_cell_renderer_text_new ();
   gtk_cell_renderer_set_padding (renderer, 10, 0);
@@ -259,27 +259,27 @@ populate_dialog (PpPPDSelectionDialog *dialog)
 
 
   g_signal_connect (gtk_tree_view_get_selection (models_treeview),
-                    "changed", G_CALLBACK (model_selection_changed_cb), dialog);
+                    "changed", G_CALLBACK (model_selection_changed_cb), self);
 
   g_signal_connect (gtk_tree_view_get_selection (manufacturers_treeview),
-                    "changed", G_CALLBACK (manufacturer_selection_changed_cb), dialog);
+                    "changed", G_CALLBACK (manufacturer_selection_changed_cb), self);
 
-  gtk_widget_show_all (dialog->dialog);
+  gtk_widget_show_all (self->dialog);
 
-  if (!dialog->list)
+  if (!self->list)
     {
       widget = (GtkWidget*)
-        gtk_builder_get_object (dialog->builder, "ppd-spinner");
+        gtk_builder_get_object (self->builder, "ppd-spinner");
       gtk_widget_show (widget);
       gtk_spinner_start (GTK_SPINNER (widget));
 
       widget = (GtkWidget*)
-        gtk_builder_get_object (dialog->builder, "progress-label");
+        gtk_builder_get_object (self->builder, "progress-label");
       gtk_widget_show (widget);
     }
   else
     {
-      fill_ppds_list (dialog);
+      fill_ppds_list (self);
     }
 }
 
@@ -288,19 +288,19 @@ ppd_selection_dialog_response_cb (GtkDialog *dialog,
                                   gint       response_id,
                                   gpointer   user_data)
 {
-  PpPPDSelectionDialog *ppd_selection_dialog = (PpPPDSelectionDialog*) user_data;
+  PpPPDSelectionDialog *self = user_data;
   GtkTreeSelection     *selection;
   GtkTreeModel         *model;
   GtkTreeView          *models_treeview;
   GtkTreeIter           iter;
 
-  pp_ppd_selection_dialog_hide (ppd_selection_dialog);
+  pp_ppd_selection_dialog_hide (self);
 
-  ppd_selection_dialog->response = response_id;
+  self->response = response_id;
   if (response_id == GTK_RESPONSE_OK)
     {
       models_treeview = (GtkTreeView*)
-        gtk_builder_get_object (ppd_selection_dialog->builder, "ppd-selection-models-treeview");
+        gtk_builder_get_object (self->builder, "ppd-selection-models-treeview");
 
       if (models_treeview)
         {
@@ -311,17 +311,15 @@ ppd_selection_dialog_response_cb (GtkDialog *dialog,
               if (gtk_tree_selection_get_selected (selection, &model, &iter))
                 {
                   gtk_tree_model_get (model, &iter,
-                                      PPD_NAMES_COLUMN, &ppd_selection_dialog->ppd_name,
-                                      PPD_DISPLAY_NAMES_COLUMN, &ppd_selection_dialog->ppd_display_name,
+                                      PPD_NAMES_COLUMN, &self->ppd_name,
+                                      PPD_DISPLAY_NAMES_COLUMN, &self->ppd_display_name,
                                  -1);
                 }
             }
         }
     }
 
-  ppd_selection_dialog->user_callback (GTK_DIALOG (ppd_selection_dialog->dialog),
-                                       response_id,
-                                       ppd_selection_dialog->user_data);
+  self->user_callback (GTK_DIALOG (self->dialog), response_id, self->user_data);
 }
 
 PpPPDSelectionDialog *
@@ -331,18 +329,18 @@ pp_ppd_selection_dialog_new (GtkWindow            *parent,
                              UserResponseCallback  user_callback,
                              gpointer              user_data)
 {
-  PpPPDSelectionDialog *dialog;
+  PpPPDSelectionDialog *self;
   GtkWidget            *widget;
   g_autoptr(GError)     error = NULL;
   gchar                *objects[] = { "ppd-selection-dialog", NULL };
   guint                 builder_result;
 
-  dialog = g_new0 (PpPPDSelectionDialog, 1);
+  self = g_new0 (PpPPDSelectionDialog, 1);
 
-  dialog->builder = gtk_builder_new ();
-  dialog->parent = GTK_WIDGET (parent);
+  self->builder = gtk_builder_new ();
+  self->parent = GTK_WIDGET (parent);
 
-  builder_result = gtk_builder_add_objects_from_resource (dialog->builder,
+  builder_result = gtk_builder_add_objects_from_resource (self->builder,
                                                           
"/org/gnome/control-center/printers/ppd-selection-dialog.ui",
                                                           objects, &error);
 
@@ -352,71 +350,71 @@ pp_ppd_selection_dialog_new (GtkWindow            *parent,
       return NULL;
     }
 
-  dialog->dialog = (GtkWidget *) gtk_builder_get_object (dialog->builder, "ppd-selection-dialog");
-  dialog->user_callback = user_callback;
-  dialog->user_data = user_data;
+  self->dialog = (GtkWidget *) gtk_builder_get_object (self->builder, "ppd-selection-dialog");
+  self->user_callback = user_callback;
+  self->user_data = user_data;
 
-  dialog->response = GTK_RESPONSE_NONE;
-  dialog->list = ppd_list_copy (ppd_list);
+  self->response = GTK_RESPONSE_NONE;
+  self->list = ppd_list_copy (ppd_list);
 
-  dialog->manufacturer = get_standard_manufacturers_name (manufacturer);
+  self->manufacturer = get_standard_manufacturers_name (manufacturer);
 
   /* connect signals */
-  g_signal_connect (dialog->dialog, "delete-event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
-  g_signal_connect (dialog->dialog, "response", G_CALLBACK (ppd_selection_dialog_response_cb), dialog);
+  g_signal_connect (self->dialog, "delete-event", G_CALLBACK (gtk_widget_hide_on_delete), NULL);
+  g_signal_connect (self->dialog, "response", G_CALLBACK (ppd_selection_dialog_response_cb), self);
 
-  gtk_window_set_transient_for (GTK_WINDOW (dialog->dialog), GTK_WINDOW (parent));
+  gtk_window_set_transient_for (GTK_WINDOW (self->dialog), GTK_WINDOW (parent));
 
   widget = (GtkWidget*)
-    gtk_builder_get_object (dialog->builder, "ppd-spinner");
+    gtk_builder_get_object (self->builder, "ppd-spinner");
   gtk_spinner_start (GTK_SPINNER (widget));
 
-  populate_dialog (dialog);
+  populate_dialog (self);
 
-  gtk_window_present (GTK_WINDOW (dialog->dialog));
-  gtk_widget_show_all (GTK_WIDGET (dialog->dialog));
+  gtk_window_present (GTK_WINDOW (self->dialog));
+  gtk_widget_show_all (GTK_WIDGET (self->dialog));
 
-  return dialog;
+  return self;
 }
 
 void
-pp_ppd_selection_dialog_free (PpPPDSelectionDialog *dialog)
+pp_ppd_selection_dialog_free (PpPPDSelectionDialog *self)
 {
-  gtk_widget_destroy (GTK_WIDGET (dialog->dialog));
+  gtk_widget_destroy (GTK_WIDGET (self->dialog));
 
-  g_object_unref (dialog->builder);
+  g_object_unref (self->builder);
 
-  g_free (dialog->ppd_name);
+  g_free (self->ppd_name);
 
-  g_free (dialog->ppd_display_name);
+  g_free (self->ppd_display_name);
 
-  g_free (dialog->manufacturer);
+  g_free (self->manufacturer);
 
-  g_free (dialog);
+  g_free (self);
 }
 
 gchar *
-pp_ppd_selection_dialog_get_ppd_name (PpPPDSelectionDialog *dialog)
+pp_ppd_selection_dialog_get_ppd_name (PpPPDSelectionDialog *self)
 {
-  return g_strdup (dialog->ppd_name);
+  return g_strdup (self->ppd_name);
 }
 
 gchar *
-pp_ppd_selection_dialog_get_ppd_display_name (PpPPDSelectionDialog *dialog)
+pp_ppd_selection_dialog_get_ppd_display_name (PpPPDSelectionDialog *self)
 {
-  return g_strdup (dialog->ppd_display_name);
+  return g_strdup (self->ppd_display_name);
 }
 
 void
-pp_ppd_selection_dialog_set_ppd_list (PpPPDSelectionDialog *dialog,
+pp_ppd_selection_dialog_set_ppd_list (PpPPDSelectionDialog *self,
                                       PPDList              *list)
 {
-  dialog->list = list;
-  fill_ppds_list (dialog);
+  self->list = list;
+  fill_ppds_list (self);
 }
 
 static void
-pp_ppd_selection_dialog_hide (PpPPDSelectionDialog *dialog)
+pp_ppd_selection_dialog_hide (PpPPDSelectionDialog *self)
 {
-  gtk_widget_hide (GTK_WIDGET (dialog->dialog));
+  gtk_widget_hide (GTK_WIDGET (self->dialog));
 }
diff --git a/panels/printers/pp-print-device.c b/panels/printers/pp-print-device.c
index a75cbe394..8ebd1d446 100644
--- a/panels/printers/pp-print-device.c
+++ b/panels/printers/pp-print-device.c
@@ -334,7 +334,7 @@ pp_print_device_class_init (PpPrintDeviceClass *klass)
 }
 
 static void
-pp_print_device_init (PpPrintDevice *printer)
+pp_print_device_init (PpPrintDevice *self)
 {
 }
 
@@ -345,106 +345,106 @@ pp_print_device_new ()
 }
 
 gchar *
-pp_print_device_get_device_name (PpPrintDevice *device)
+pp_print_device_get_device_name (PpPrintDevice *self)
 {
-  return device->device_name;
+  return self->device_name;
 }
 
 gchar *
-pp_print_device_get_display_name (PpPrintDevice *device)
+pp_print_device_get_display_name (PpPrintDevice *self)
 {
-  return device->display_name;
+  return self->display_name;
 }
 
 gchar *
-pp_print_device_get_device_original_name (PpPrintDevice *device)
+pp_print_device_get_device_original_name (PpPrintDevice *self)
 {
-  return device->device_original_name;
+  return self->device_original_name;
 }
 
 gchar *
-pp_print_device_get_device_make_and_model (PpPrintDevice *device)
+pp_print_device_get_device_make_and_model (PpPrintDevice *self)
 {
-  return device->device_make_and_model;
+  return self->device_make_and_model;
 }
 
 gchar *
-pp_print_device_get_device_location (PpPrintDevice *device)
+pp_print_device_get_device_location (PpPrintDevice *self)
 {
-  return device->device_location;
+  return self->device_location;
 }
 
 gchar *
-pp_print_device_get_device_info (PpPrintDevice *device)
+pp_print_device_get_device_info (PpPrintDevice *self)
 {
-  return device->device_info;
+  return self->device_info;
 }
 
 gchar *
-pp_print_device_get_device_uri (PpPrintDevice *device)
+pp_print_device_get_device_uri (PpPrintDevice *self)
 {
-  return device->device_uri;
+  return self->device_uri;
 }
 
 gchar *
-pp_print_device_get_device_id (PpPrintDevice *device)
+pp_print_device_get_device_id (PpPrintDevice *self)
 {
-  return device->device_id;
+  return self->device_id;
 }
 
 gchar *
-pp_print_device_get_device_ppd (PpPrintDevice *device)
+pp_print_device_get_device_ppd (PpPrintDevice *self)
 {
-  return device->device_ppd;
+  return self->device_ppd;
 }
 
 gchar *
-pp_print_device_get_host_name (PpPrintDevice *device)
+pp_print_device_get_host_name (PpPrintDevice *self)
 {
-  return device->host_name;
+  return self->host_name;
 }
 
 gint
-pp_print_device_get_host_port (PpPrintDevice *device)
+pp_print_device_get_host_port (PpPrintDevice *self)
 {
-  return device->host_port;
+  return self->host_port;
 }
 
 gboolean
-pp_print_device_is_authenticated_server (PpPrintDevice *device)
+pp_print_device_is_authenticated_server (PpPrintDevice *self)
 {
-  return device->is_authenticated_server;
+  return self->is_authenticated_server;
 }
 
 gint
-pp_print_device_get_acquisition_method (PpPrintDevice *device)
+pp_print_device_get_acquisition_method (PpPrintDevice *self)
 {
-  return device->acquisition_method;
+  return self->acquisition_method;
 }
 
 gboolean
-pp_print_device_is_network_device (PpPrintDevice *device)
+pp_print_device_is_network_device (PpPrintDevice *self)
 {
-  return device->is_network_device;
+  return self->is_network_device;
 }
 
 PpPrintDevice *
-pp_print_device_copy (PpPrintDevice *device)
+pp_print_device_copy (PpPrintDevice *self)
 {
   return g_object_new (PP_TYPE_PRINT_DEVICE,
-                       "device-name", pp_print_device_get_device_name (device),
-                       "display-name", pp_print_device_get_display_name (device),
-                       "device-original-name", pp_print_device_get_device_original_name (device),
-                       "device-make-and-model", pp_print_device_get_device_make_and_model (device),
-                       "device-location", pp_print_device_get_device_location (device),
-                       "device-info", pp_print_device_get_device_info (device),
-                       "device-uri", pp_print_device_get_device_uri (device),
-                       "device-id", pp_print_device_get_device_id (device),
-                       "device-ppd", pp_print_device_get_device_ppd (device),
-                       "host-name", pp_print_device_get_host_name (device),
-                       "host-port", pp_print_device_get_host_port (device),
-                       "is-authenticated-server", pp_print_device_is_authenticated_server (device),
-                       "acquisition-method", pp_print_device_get_acquisition_method (device),
-                       "is-network-device", pp_print_device_is_network_device (device),
+                       "device-name", pp_print_device_get_device_name (self),
+                       "display-name", pp_print_device_get_display_name (self),
+                       "device-original-name", pp_print_device_get_device_original_name (self),
+                       "device-make-and-model", pp_print_device_get_device_make_and_model (self),
+                       "device-location", pp_print_device_get_device_location (self),
+                       "device-info", pp_print_device_get_device_info (self),
+                       "device-uri", pp_print_device_get_device_uri (self),
+                       "device-id", pp_print_device_get_device_id (self),
+                       "device-ppd", pp_print_device_get_device_ppd (self),
+                       "host-name", pp_print_device_get_host_name (self),
+                       "host-port", pp_print_device_get_host_port (self),
+                       "is-authenticated-server", pp_print_device_is_authenticated_server (self),
+                       "acquisition-method", pp_print_device_get_acquisition_method (self),
+                       "is-network-device", pp_print_device_is_network_device (self),
                        NULL);
 }
diff --git a/panels/printers/pp-printer-entry.c b/panels/printers/pp-printer-entry.c
index f1649ac30..665550a80 100644
--- a/panels/printers/pp-printer-entry.c
+++ b/panels/printers/pp-printer-entry.c
@@ -414,7 +414,7 @@ printer_renamed_cb (PpDetailsDialog *dialog,
                     gchar           *new_name,
                     gpointer         user_data)
 {
- PpPrinterEntry *self = PP_PRINTER_ENTRY (user_data);
+ PpPrinterEntry *self = user_data;
 
  g_signal_emit_by_name (self, "printer-renamed", new_name);
 }
@@ -424,7 +424,7 @@ details_dialog_cb (GtkDialog *dialog,
                    gint       response_id,
                    gpointer   user_data)
 {
-  PpPrinterEntry *self = PP_PRINTER_ENTRY (user_data);
+  PpPrinterEntry *self = user_data;
 
   pp_details_dialog_free (self->pp_details_dialog);
   self->pp_details_dialog = NULL;
@@ -462,7 +462,7 @@ printer_options_dialog_cb (GtkDialog *dialog,
                            gint       response_id,
                            gpointer   user_data)
 {
-  PpPrinterEntry *self = PP_PRINTER_ENTRY (user_data);
+  PpPrinterEntry *self = user_data;
 
   if (self->pp_options_dialog != NULL)
     {
@@ -505,6 +505,7 @@ check_clean_heads_maintenance_command_cb (GObject      *source_object,
                                           GAsyncResult *res,
                                           gpointer      user_data)
 {
+  PpPrinterEntry       *self = user_data;
   PpMaintenanceCommand *command = (PpMaintenanceCommand *) source_object;
   gboolean              is_supported = FALSE;
   g_autoptr(GError)     error = NULL;
@@ -518,7 +519,6 @@ check_clean_heads_maintenance_command_cb (GObject      *source_object,
 
   if (is_supported)
     {
-      PpPrinterEntry *self = PP_PRINTER_ENTRY (user_data);
       gtk_widget_show (GTK_WIDGET (self->clean_heads_menuitem));
     }
 
@@ -546,7 +546,7 @@ clean_heads_maintenance_command_cb (GObject      *source_object,
                                     GAsyncResult *res,
                                     gpointer      user_data)
 {
-  PpPrinterEntry       *self = PP_PRINTER_ENTRY (user_data);
+  PpPrinterEntry       *self = user_data;
   PpMaintenanceCommand *command = (PpMaintenanceCommand *) source_object;
   g_autoptr(GError)     error = NULL;
 
@@ -583,7 +583,7 @@ get_jobs_cb (GObject      *source_object,
              GAsyncResult *result,
              gpointer      user_data)
 {
-  PpPrinterEntry   *self;
+  PpPrinterEntry   *self = user_data;
   PpPrinter        *printer = PP_PRINTER (source_object);
   g_autoptr(GError) error = NULL;
   GList            *jobs;
@@ -617,8 +617,6 @@ get_jobs_cb (GObject      *source_object,
       button_label = g_strdup_printf (ngettext ("%u Job", "%u Jobs", num_jobs), num_jobs);
     }
 
-  self = PP_PRINTER_ENTRY (user_data);
-
   gtk_button_set_label (GTK_BUTTON (self->show_jobs_dialog_button), button_label);
   gtk_widget_set_sensitive (self->show_jobs_dialog_button, num_jobs > 0);
 
diff --git a/panels/printers/pp-printer.c b/panels/printers/pp-printer.c
index adf0d5312..b21e7fa46 100644
--- a/panels/printers/pp-printer.c
+++ b/panels/printers/pp-printer.c
@@ -115,7 +115,7 @@ pp_printer_class_init (PpPrinterClass *klass)
 }
 
 static void
-pp_printer_init (PpPrinter *printer)
+pp_printer_init (PpPrinter *self)
 {
 }
 
@@ -133,18 +133,18 @@ printer_rename_thread (GTask        *task,
                        gpointer      task_data,
                        GCancellable *cancellable)
 {
-  PpPrinter *printer = PP_PRINTER (source_object);
+  PpPrinter *self = PP_PRINTER (source_object);
   gboolean   result;
   gchar     *new_printer_name = task_data;
   gchar     *old_printer_name;
 
-  g_object_get (printer, "printer-name", &old_printer_name, NULL);
+  g_object_get (self, "printer-name", &old_printer_name, NULL);
 
   result = printer_rename (old_printer_name, new_printer_name);
 
   if (result)
     {
-      g_object_set (printer, "printer-name", new_printer_name, NULL);
+      g_object_set (self, "printer-name", new_printer_name, NULL);
     }
 
   g_free (old_printer_name);
@@ -157,7 +157,7 @@ printer_rename_dbus_cb (GObject      *source_object,
                         GAsyncResult *res,
                         gpointer      user_data)
 {
-  PpPrinter        *printer;
+  PpPrinter        *self;
   GVariant         *output;
   gboolean          result = FALSE;
   g_autoptr(GError) error = NULL;
@@ -173,8 +173,8 @@ printer_rename_dbus_cb (GObject      *source_object,
     {
       const gchar *ret_error;
 
-      printer = g_task_get_source_object (task);
-      g_object_get (printer, "printer-name", &old_printer_name, NULL);
+      self = g_task_get_source_object (task);
+      g_object_get (self, "printer-name", &old_printer_name, NULL);
 
       g_variant_get (output, "(&s)", &ret_error);
       if (ret_error[0] != '\0')
@@ -184,7 +184,7 @@ printer_rename_dbus_cb (GObject      *source_object,
       else
         {
           result = TRUE;
-          g_object_set (printer, "printer-name", g_task_get_task_data (task), NULL);
+          g_object_set (self, "printer-name", g_task_get_task_data (task), NULL);
         }
 
       g_task_return_boolean (task, result);
@@ -250,7 +250,7 @@ get_bus_cb (GObject      *source_object,
 }
 
 void
-pp_printer_rename_async (PpPrinter           *printer,
+pp_printer_rename_async (PpPrinter           *self,
                          const gchar         *new_printer_name,
                          GCancellable        *cancellable,
                          GAsyncReadyCallback  callback,
@@ -260,7 +260,7 @@ pp_printer_rename_async (PpPrinter           *printer,
 
   g_return_if_fail (new_printer_name != NULL);
 
-  task = g_task_new (G_OBJECT (printer), cancellable, callback, user_data);
+  task = g_task_new (G_OBJECT (self), cancellable, callback, user_data);
   g_task_set_task_data (task, g_strdup (new_printer_name), g_free);
 
   g_bus_get (G_BUS_TYPE_SYSTEM,
@@ -270,11 +270,11 @@ pp_printer_rename_async (PpPrinter           *printer,
 }
 
 gboolean
-pp_printer_rename_finish (PpPrinter     *printer,
+pp_printer_rename_finish (PpPrinter     *self,
                           GAsyncResult  *res,
                           GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, printer), FALSE);
+  g_return_val_if_fail (g_task_is_valid (res, self), FALSE);
   g_object_unref (res);
 
   return g_task_propagate_boolean (G_TASK (res), error);
@@ -296,7 +296,7 @@ get_jobs_thread (GTask        *task,
   static gchar    *printer_attributes[] = { "auth-info-required" };
   GetJobsData     *get_jobs_data = task_data;
   cups_job_t      *jobs = NULL;
-  PpPrinter       *printer = PP_PRINTER (source_object);
+  PpPrinter       *self = PP_PRINTER (source_object);
   gboolean         auth_info_is_required;
   PpJob           *job;
   ipp_t           *job_request;
@@ -311,7 +311,7 @@ get_jobs_thread (GTask        *task,
   gint             num_jobs;
   gint             i, j;
 
-  g_object_get (printer, "printer-name", &printer_name, NULL);
+  g_object_get (self, "printer-name", &printer_name, NULL);
 
   num_jobs = cupsGetJobs (&jobs,
                           printer_name,
@@ -398,7 +398,7 @@ get_jobs_thread (GTask        *task,
 }
 
 void
-pp_printer_get_jobs_async (PpPrinter           *printer,
+pp_printer_get_jobs_async (PpPrinter           *self,
                            gboolean             myjobs,
                            gint                 which_jobs,
                            GCancellable        *cancellable,
@@ -412,7 +412,7 @@ pp_printer_get_jobs_async (PpPrinter           *printer,
   get_jobs_data->myjobs = myjobs;
   get_jobs_data->which_jobs = which_jobs;
 
-  task = g_task_new (G_OBJECT (printer), cancellable, callback, user_data);
+  task = g_task_new (G_OBJECT (self), cancellable, callback, user_data);
   g_task_set_task_data (task, get_jobs_data, g_free);
   g_task_set_return_on_cancel (task, TRUE);
   g_task_run_in_thread (task, get_jobs_thread);
@@ -420,11 +420,11 @@ pp_printer_get_jobs_async (PpPrinter           *printer,
 }
 
 GList *
-pp_printer_get_jobs_finish (PpPrinter          *printer,
+pp_printer_get_jobs_finish (PpPrinter          *self,
                             GAsyncResult       *res,
                             GError            **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, printer), NULL);
+  g_return_val_if_fail (g_task_is_valid (res, self), NULL);
 
   return g_task_propagate_pointer (G_TASK (res), error);
 }
@@ -510,14 +510,14 @@ pp_printer_delete_cb (GObject      *source_object,
 }
 
 void
-pp_printer_delete_async (PpPrinter           *printer,
+pp_printer_delete_async (PpPrinter           *self,
                          GCancellable        *cancellable,
                          GAsyncReadyCallback  callback,
                          gpointer             user_data)
 {
   GTask *task;
 
-  task = g_task_new (G_OBJECT (printer), cancellable, callback, user_data);
+  task = g_task_new (G_OBJECT (self), cancellable, callback, user_data);
 
   g_bus_get (G_BUS_TYPE_SYSTEM,
              cancellable,
@@ -526,11 +526,11 @@ pp_printer_delete_async (PpPrinter           *printer,
 }
 
 gboolean
-pp_printer_delete_finish (PpPrinter     *printer,
+pp_printer_delete_finish (PpPrinter     *self,
                           GAsyncResult  *res,
                           GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, printer), FALSE);
+  g_return_val_if_fail (g_task_is_valid (res, self), FALSE);
 
   return g_task_propagate_boolean (G_TASK (res), error);
 }
@@ -556,11 +556,11 @@ print_file_thread (GTask        *task,
                    gpointer      task_data,
                    GCancellable *cancellable)
 {
+  PpPrinter    *self = PP_PRINTER (source_object);
   PrintFileData *print_file_data;
   cups_ptype_t  type = 0;
   cups_dest_t  *dest = NULL;
   const gchar  *printer_type = NULL;
-  PpPrinter    *printer;
   gboolean      ret = FALSE;
   gchar        *printer_name = NULL;
   gchar        *printer_uri = NULL;
@@ -568,9 +568,7 @@ print_file_thread (GTask        *task,
   ipp_t        *response = NULL;
   ipp_t        *request;
 
-  printer = PP_PRINTER (source_object);
-
-  g_object_get (printer, "printer-name", &printer_name, NULL);
+  g_object_get (self, "printer-name", &printer_name, NULL);
   dest = cupsGetNamedDest (CUPS_HTTP_DEFAULT, printer_name, NULL);
   if (dest != NULL)
     {
@@ -626,7 +624,7 @@ print_file_thread (GTask        *task,
 }
 
 void
-pp_printer_print_file_async (PpPrinter           *printer,
+pp_printer_print_file_async (PpPrinter           *self,
                              const gchar         *filename,
                              const gchar         *job_name,
                              GCancellable        *cancellable,
@@ -640,7 +638,7 @@ pp_printer_print_file_async (PpPrinter           *printer,
   print_file_data->filename = g_strdup (filename);
   print_file_data->job_name = g_strdup (job_name);
 
-  task = g_task_new (G_OBJECT (printer), cancellable, callback, user_data);
+  task = g_task_new (G_OBJECT (self), cancellable, callback, user_data);
 
   g_task_set_return_on_cancel (task, TRUE);
   g_task_set_task_data (task, print_file_data, (GDestroyNotify) print_file_data_free);
@@ -650,11 +648,11 @@ pp_printer_print_file_async (PpPrinter           *printer,
 }
 
 gboolean
-pp_printer_print_file_finish (PpPrinter     *printer,
+pp_printer_print_file_finish (PpPrinter     *self,
                               GAsyncResult  *res,
                               GError       **error)
 {
-  g_return_val_if_fail (g_task_is_valid (res, printer), FALSE);
+  g_return_val_if_fail (g_task_is_valid (res, self), FALSE);
 
   return g_task_propagate_boolean (G_TASK (res), error);
 }


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