Add GtkStyleProvider, an interface to provide style details.

The get_style() function isn't final yet, further parameters
should be added to query details based on the widget hierarchy,
name, etc.

1 files changed, 66 insertions, 0 deletions

diff --git a/gtk/gtkstyleprovider.c b/gtk/gtkstyleprovider.c
new file mode 100644
index 0000000000..18cca7b817
--- /dev/null
+++ b/gtk/gtkstyleprovider.c
@@ -0,0 +1,66 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include "gtkprivate.h"
+#include "gtkstyleprovider.h"
+#include "gtkintl.h"
+
+#include "gtkalias.h"
+
+static void gtk_style_provider_iface_init (gpointer g_iface);
+
+GType
+gtk_style_provider_get_type (void)
+{
+  static GType style_provider_type = 0;
+
+  if (!style_provider_type)
+    style_provider_type = g_type_register_static_simple (G_TYPE_INTERFACE,
+                                                         I_("GtkStyleProvider"),
+                                                         sizeof (GtkStyleProviderIface),
+                                                         (GClassInitFunc) gtk_style_provider_iface_init,
+                                                         0, NULL, 0);
+  return style_provider_type;
+}
+
+static void
+gtk_style_provider_iface_init (gpointer g_iface)
+{
+  GType iface_type = G_TYPE_FROM_INTERFACE (g_iface);
+}
+
+GtkStyleSet *
+gtk_style_provider_get_style (GtkStyleProvider *provider)
+{
+  GtkStyleProviderIface *iface;
+
+  g_return_val_if_fail (GTK_IS_STYLE_PROVIDER (provider), NULL);
+
+  iface = GTK_STYLE_PROVIDER_GET_IFACE (provider);
+
+  if (!iface->get_style)
+    return NULL;
+
+  return iface->get_style (provider);
+}
+
+#define __GTK_STYLE_PROVIDER_C__
+#include "gtkaliasdef.c"