/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * gtkorientable.c * Copyright (C) 2008 Imendio AB * Contact: Michael Natterer * * 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, see . */ #include "config.h" #include "gtkorientableprivate.h" #include "gtkprivate.h" #include "gtktypebuiltins.h" #include "gtkintl.h" /** * SECTION:gtkorientable * @Short_description: An interface for flippable widgets * @Title: GtkOrientable * * The #GtkOrientable interface is implemented by all widgets that can be * oriented horizontally or vertically. Historically, such widgets have been * realized as subclasses of a common base class (e.g #GtkBox/#GtkHBox/#GtkVBox * or #GtkScale/#GtkHScale/#GtkVScale). #GtkOrientable is more flexible in that * it allows the orientation to be changed at runtime, allowing the widgets * to 'flip'. * * #GtkOrientable was introduced in GTK+ 2.16. */ typedef GtkOrientableIface GtkOrientableInterface; G_DEFINE_INTERFACE (GtkOrientable, gtk_orientable, G_TYPE_OBJECT) static void gtk_orientable_default_init (GtkOrientableInterface *iface) { /** * GtkOrientable:orientation: * * The orientation of the orientable. * * Since: 2.16 **/ g_object_interface_install_property (iface, g_param_spec_enum ("orientation", P_("Orientation"), P_("The orientation of the orientable"), GTK_TYPE_ORIENTATION, GTK_ORIENTATION_HORIZONTAL, GTK_PARAM_READWRITE)); } /** * gtk_orientable_set_orientation: * @orientable: a #GtkOrientable * @orientation: the orientable's new orientation. * * Sets the orientation of the @orientable. * * Since: 2.16 **/ void gtk_orientable_set_orientation (GtkOrientable *orientable, GtkOrientation orientation) { g_return_if_fail (GTK_IS_ORIENTABLE (orientable)); g_object_set (orientable, "orientation", orientation, NULL); if (GTK_IS_WIDGET (orientable)) _gtk_orientable_set_style_classes (orientable); } /** * gtk_orientable_get_orientation: * @orientable: a #GtkOrientable * * Retrieves the orientation of the @orientable. * * Return value: the orientation of the @orientable. * * Since: 2.16 **/ GtkOrientation gtk_orientable_get_orientation (GtkOrientable *orientable) { GtkOrientation orientation; g_return_val_if_fail (GTK_IS_ORIENTABLE (orientable), GTK_ORIENTATION_HORIZONTAL); g_object_get (orientable, "orientation", &orientation, NULL); return orientation; } void _gtk_orientable_set_style_classes (GtkOrientable *orientable) { GtkStyleContext *context; GtkOrientation orientation; g_return_if_fail (GTK_IS_ORIENTABLE (orientable)); g_return_if_fail (GTK_IS_WIDGET (orientable)); context = gtk_widget_get_style_context (GTK_WIDGET (orientable)); orientation = gtk_orientable_get_orientation (orientable); if (orientation == GTK_ORIENTATION_HORIZONTAL) { gtk_style_context_add_class (context, GTK_STYLE_CLASS_HORIZONTAL); gtk_style_context_remove_class (context, GTK_STYLE_CLASS_VERTICAL); } else { gtk_style_context_add_class (context, GTK_STYLE_CLASS_VERTICAL); gtk_style_context_remove_class (context, GTK_STYLE_CLASS_HORIZONTAL); } }