Set vertical/horizontal class on all widgets overriding GtkOrientable::orientation

This is so g_object_set() on that property leaves widgets' style in
a meaningful state. Fully fixes bug 639157.

1 files changed, 21 insertions, 0 deletions

diff --git a/gtk/gtkcellview.c b/gtk/gtkcellview.c
index 168bf04eae..87c56ed8bc 100644
--- a/gtk/gtkcellview.c
+++ b/gtk/gtkcellview.c
@@ -415,6 +415,25 @@ gtk_cell_view_get_property (GObject    *object,
 }
 
 static void
+reset_orientation_style (GtkCellView *view)
+{
+  GtkStyleContext *context;
+
+  context = gtk_widget_get_style_context (GTK_WIDGET (view));
+
+  if (view->priv->orientation == GTK_ORIENTATION_VERTICAL)
+    {
+      gtk_style_context_add_class (context, GTK_STYLE_CLASS_VERTICAL);
+      gtk_style_context_remove_class (context, GTK_STYLE_CLASS_HORIZONTAL);
+    }
+  else
+    {
+      gtk_style_context_add_class (context, GTK_STYLE_CLASS_HORIZONTAL);
+      gtk_style_context_remove_class (context, GTK_STYLE_CLASS_VERTICAL);
+    }
+}
+
+static void
 gtk_cell_view_set_property (GObject      *object,
                             guint         param_id,
                             const GValue *value,
@@ -430,6 +449,8 @@ gtk_cell_view_set_property (GObject      *object,
       view->priv->orientation = g_value_get_enum (value);
       if (view->priv->context)
 	gtk_cell_area_context_reset (view->priv->context);
+
+      reset_orientation_style (view);
       break;
     case PROP_BACKGROUND:
       {