[gtk+/gtk-style-context: 88/540] GtkWidget: Generate GtkWidgetPath on set_parent.

[Carlos Garnacho <carlosg src gnome org>]

commit 7cf6b94b0f5670ffe6d79c4297e06ba745840ab9
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sun Jun 13 17:26:18 2010 +0200

    GtkWidget: Generate GtkWidgetPath on set_parent.
    
    There's no need to wait for realize() to have the right widget style.

 gtk/gtkwidget.c |   28 +++++++++++++++-------------
 1 files changed, 15 insertions(+), 13 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 2289ac2..75ef3c9 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -4198,17 +4198,6 @@ gtk_widget_realize (GtkWidget *widget)
         gdk_window_set_support_multidevice (priv->window, TRUE);
 
       _gtk_widget_enable_device_events (widget);
-
-      context = g_object_get_qdata (G_OBJECT (widget),
-                                    quark_style_context);
-      if (context)
-        {
-          GtkWidgetPath *path;
-
-          path = gtk_widget_get_path (widget);
-          gtk_style_context_set_path (context, path);
-          gtk_widget_path_free (path);
-        }
     }
 }
 
@@ -7221,6 +7210,7 @@ gtk_widget_set_parent (GtkWidget *widget,
 {
   GtkWidgetPrivate *priv;
   GtkStateData data;
+  GtkStyleContext *context;
 
   g_return_if_fail (GTK_IS_WIDGET (widget));
   g_return_if_fail (GTK_IS_WIDGET (parent));
@@ -7294,6 +7284,17 @@ gtk_widget_set_parent (GtkWidget *widget,
     {
       gtk_widget_queue_compute_expand (parent);
     }
+
+  context = g_object_get_qdata (G_OBJECT (widget),
+                                    quark_style_context);
+  if (context)
+    {
+      GtkWidgetPath *path;
+
+      path = gtk_widget_get_path (widget);
+      gtk_style_context_set_path (context, path);
+      gtk_widget_path_free (path);
+    }
 }
 
 /**
@@ -13188,7 +13189,7 @@ gtk_widget_get_path (GtkWidget *widget)
   GList *regions, *reg;
 
   g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
-  g_return_val_if_fail (gtk_widget_get_realized (widget), NULL);
+  g_return_val_if_fail ((widget->parent || gtk_widget_is_toplevel (widget)), NULL);
 
   parent = widget->priv->parent;
 
@@ -13277,7 +13278,8 @@ gtk_widget_get_style_context (GtkWidget *widget)
                                       GTK_STYLE_PROVIDER_PRIORITY_USER);
     }
 
-  if (gtk_widget_get_realized (widget))
+  if (widget->parent ||
+      gtk_widget_is_toplevel (widget))
     {
       GtkWidgetPath *path;