[gtk+/wip/css: 17/154] widget: Set parent style context

[Paolo Borelli <pborelli src gnome org>]

commit 360f1041e0c04f8bb4775bcf9fed7d7d51ec0091
Author: Benjamin Otte <otte redhat com>
Date:   Thu Dec 29 12:40:21 2011 +0100

    widget: Set parent style context

 gtk/gtkwidget.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index a830741..033aeb0 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -3785,6 +3785,8 @@ gtk_widget_unparent (GtkWidget *widget)
 
   /* Unset window-unfocused since we are no longer inside a toplevel window */
   gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_WINDOW_UNFOCUSED);
+  if (priv->context)
+    gtk_style_context_set_parent (priv->context, NULL);
 
   g_signal_emit (widget, widget_signals[PARENT_SET], 0, old_parent);
   if (toplevel)
@@ -7815,6 +7817,9 @@ gtk_widget_set_parent (GtkWidget *widget,
   data.operation = STATE_CHANGE_REPLACE;
   gtk_widget_propagate_state (widget, &data);
 
+  if (priv->context)
+    gtk_style_context_set_parent (priv->context,
+                                  gtk_widget_get_style_context (parent));
   gtk_widget_reset_style (widget);
 
   g_signal_emit (widget, widget_signals[PARENT_SET], 0, NULL);
@@ -13867,6 +13872,9 @@ gtk_widget_get_style_context (GtkWidget *widget)
         gtk_style_context_set_screen (priv->context, screen);
 
       gtk_style_context_set_path (priv->context, path);
+      if (priv->parent)
+        gtk_style_context_set_parent (priv->context,
+                                      gtk_widget_get_style_context (priv->parent));
     }
 
   return widget->priv->context;