/* GTK - The GIMP Toolkit * Copyright (C) 2011 Red Hat, Inc. * * 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 <http://www.gnu.org/licenses/>. */ #include "config.h" #include "gtkcssinheritvalueprivate.h" #include "gtkcssinitialvalueprivate.h" #include "gtkstylecontextprivate.h" struct _GtkCssValue { GTK_CSS_VALUE_BASE }; static void G_GNUC_NORETURN gtk_css_value_inherit_free (GtkCssValue *value) { /* Can only happen if the unique value gets unreffed too often */ g_assert_not_reached (); } static GtkCssValue * gtk_css_value_inherit_compute (GtkCssValue *value, guint property_id, GtkStyleProvider *provider, GtkCssStyle *style, GtkCssStyle *parent_style) { if (parent_style) { return _gtk_css_value_ref (gtk_css_style_get_value (parent_style, property_id)); } else { return _gtk_css_value_compute (_gtk_css_initial_value_get (), property_id, provider, style, parent_style); } } static gboolean gtk_css_value_inherit_equal (const GtkCssValue *value1, const GtkCssValue *value2) { return TRUE; } static GtkCssValue * gtk_css_value_inherit_transition (GtkCssValue *start, GtkCssValue *end, guint property_id, double progress) { return NULL; } static void gtk_css_value_inherit_print (const GtkCssValue *value, GString *string) { g_string_append (string, "inherit"); } static const GtkCssValueClass GTK_CSS_VALUE_INHERIT = { "GtkCssInheritValue", gtk_css_value_inherit_free, gtk_css_value_inherit_compute, gtk_css_value_inherit_equal, gtk_css_value_inherit_transition, NULL, NULL, gtk_css_value_inherit_print }; static GtkCssValue inherit = { >K_CSS_VALUE_INHERIT, 1 }; GtkCssValue * _gtk_css_inherit_value_new (void) { return _gtk_css_value_ref (&inherit); } GtkCssValue * _gtk_css_inherit_value_get (void) { return &inherit; }