This way, we can remove it as a separate argument from gtk_css_value_compute() and allow computation to only depend on one thing: the style provider.
		
			
				
	
	
		
			101 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* GTK - The GIMP Toolkit
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 * Copyright (C) 2014 Red Hat, Inc.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
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 */
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#include "config.h"
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#include "gtkcssunsetvalueprivate.h"
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#include "gtkcssinheritvalueprivate.h"
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#include "gtkcssinitialvalueprivate.h"
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#include "gtkcssstylepropertyprivate.h"
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struct _GtkCssValue {
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  GTK_CSS_VALUE_BASE
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};
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static void
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gtk_css_value_unset_free (GtkCssValue *value)
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{
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  /* Can only happen if the unique value gets unreffed too often */
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  g_assert_not_reached ();
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}
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static GtkCssValue *
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gtk_css_value_unset_compute (GtkCssValue             *value,
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                             guint                    property_id,
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                             GtkStyleProviderPrivate *provider,
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                             GtkCssStyle             *style,
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                             GtkCssStyle             *parent_style,
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                             GtkCssDependencies      *dependencies)
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{
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  GtkCssStyleProperty *property;
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  GtkCssValue *unset_value;
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  property = _gtk_css_style_property_lookup_by_id (property_id);
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  if (_gtk_css_style_property_is_inherit (property))
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    unset_value = _gtk_css_inherit_value_get ();
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  else
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    unset_value = _gtk_css_initial_value_get ();
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  return _gtk_css_value_compute (unset_value,
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                                 property_id,
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                                 provider,
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                                 style,
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                                 parent_style,
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                                 dependencies);
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}
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static gboolean
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gtk_css_value_unset_equal (const GtkCssValue *value1,
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                           const GtkCssValue *value2)
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{
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  return TRUE;
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}
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static GtkCssValue *
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gtk_css_value_unset_transition (GtkCssValue *start,
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                                GtkCssValue *end,
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                                guint        property_id,
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                                double       progress)
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{
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  return NULL;
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}
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static void
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gtk_css_value_unset_print (const GtkCssValue *value,
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                             GString           *string)
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{
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  g_string_append (string, "unset");
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}
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static const GtkCssValueClass GTK_CSS_VALUE_UNSET = {
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  gtk_css_value_unset_free,
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  gtk_css_value_unset_compute,
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  gtk_css_value_unset_equal,
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  gtk_css_value_unset_transition,
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  gtk_css_value_unset_print
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};
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static GtkCssValue unset = { >K_CSS_VALUE_UNSET, 1 };
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GtkCssValue *
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_gtk_css_unset_value_new (void)
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{
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  return _gtk_css_value_ref (&unset);
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}
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