action-row: Handle show_all()

This avoids an empty image, an empty subtitle and an empty prefixes box
to be visible when calling show_all(), as they are handled by the row
itself.

src/hdy-action-row.c

@@ -169,6 +169,22 @@ hdy_action_row_dispose (GObject *object)
   priv->previous_parent = NULL;
 }
 
+static void
+hdy_action_row_show_all (GtkWidget *widget)
+{
+  HdyActionRow *self = HDY_ACTION_ROW (widget);
+  HdyActionRowPrivate *priv;
+
+  g_return_if_fail (HDY_IS_ACTION_ROW (self));
+
+  priv = hdy_action_row_get_instance_private (self);
+
+  gtk_container_foreach (GTK_CONTAINER (priv->prefixes),
+                         (GtkCallback) gtk_widget_show_all,
+                         NULL);
+  GTK_WIDGET_CLASS (hdy_action_row_parent_class)->show_all (widget);
+}
+
 static void
 hdy_action_row_add (GtkContainer *container,
                     GtkWidget    *child)
@@ -246,6 +262,8 @@ hdy_action_row_class_init (HdyActionRowClass *klass)
   object_class->set_property = hdy_action_row_set_property;
   object_class->dispose = hdy_action_row_dispose;
 
+  widget_class->show_all = hdy_action_row_show_all;
+
   container_class->add = hdy_action_row_add;
   container_class->forall = hdy_action_row_forall;
 

src/hdy-action-row.ui

@@ -17,12 +17,14 @@
             <child>
               <object class="GtkBox" id="prefixes">
                 <property name="can_focus">False</property>
+                <property name="no_show_all">True</property>
                 <property name="spacing">12</property>
                 <property name="visible">False</property>
               </object>
             </child>
             <child>
               <object class="GtkImage" id="image">
+                <property name="no_show_all">True</property>
                 <property name="pixel_size">32</property>
                 <property name="valign">center</property>
               </object>
@@ -33,6 +35,7 @@
                 <property name="halign">start</property>
                 <property name="margin_bottom">8</property>
                 <property name="margin_top">8</property>
+                <property name="no_show_all">True</property>
                 <property name="orientation">vertical</property>
                 <property name="valign">center</property>
                 <property name="visible">True</property>