313 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			313 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* GTK - The GIMP Toolkit
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 * Copyright (C) 2011 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 "gtkcssrepeatvalueprivate.h"
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#include "gtkcssnumbervalueprivate.h"
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struct _GtkCssValue {
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  GTK_CSS_VALUE_BASE
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  GtkCssRepeatStyle x;
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  GtkCssRepeatStyle y;
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};
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static void
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gtk_css_value_repeat_free (GtkCssValue *value)
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{
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  g_slice_free (GtkCssValue, value);
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}
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static GtkCssValue *
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gtk_css_value_repeat_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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{
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  return _gtk_css_value_ref (value);
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}
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static gboolean
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gtk_css_value_repeat_equal (const GtkCssValue *repeat1,
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                            const GtkCssValue *repeat2)
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{
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  return repeat1->x == repeat2->x
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      && repeat1->y == repeat2->y;
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}
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static GtkCssValue *
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gtk_css_value_repeat_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_background_repeat_print (const GtkCssValue *repeat,
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                                       GString           *string)
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{
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  static const char *names[] = {
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    "no-repeat",
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    "repeat",
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    "round",
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    "space"
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  };
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  if (repeat->x == repeat->y)
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    {
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      g_string_append (string, names[repeat->x]);
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    }
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  else if (repeat->x == GTK_CSS_REPEAT_STYLE_REPEAT &&
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           repeat->y == GTK_CSS_REPEAT_STYLE_NO_REPEAT)
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    {
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      g_string_append (string, "repeat-x");
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    }
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  else if (repeat->x == GTK_CSS_REPEAT_STYLE_NO_REPEAT &&
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           repeat->y == GTK_CSS_REPEAT_STYLE_REPEAT)
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    {
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      g_string_append (string, "repeat-y");
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    }
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  else
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    {
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      g_string_append (string, names[repeat->x]);
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      g_string_append_c (string, ' ');
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      g_string_append (string, names[repeat->y]);
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    }
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}
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static void
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gtk_css_value_border_repeat_print (const GtkCssValue *repeat,
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                                   GString           *string)
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{
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  static const char *names[] = {
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    "stretch",
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    "repeat",
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    "round",
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    "space"
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  };
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  g_string_append (string, names[repeat->x]);
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  if (repeat->x != repeat->y)
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    {
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      g_string_append_c (string, ' ');
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      g_string_append (string, names[repeat->y]);
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    }
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}
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static const GtkCssValueClass GTK_CSS_VALUE_BACKGROUND_REPEAT = {
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  gtk_css_value_repeat_free,
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  gtk_css_value_repeat_compute,
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  gtk_css_value_repeat_equal,
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  gtk_css_value_repeat_transition,
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  gtk_css_value_background_repeat_print
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};
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static const GtkCssValueClass GTK_CSS_VALUE_BORDER_REPEAT = {
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  gtk_css_value_repeat_free,
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  gtk_css_value_repeat_compute,
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  gtk_css_value_repeat_equal,
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  gtk_css_value_repeat_transition,
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  gtk_css_value_border_repeat_print
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};
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/* BACKGROUND REPEAT */
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static struct {
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  const char *name;
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  GtkCssValue values[4];
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} background_repeat_values[4] = {
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  { "no-repeat",
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  { { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_NO_REPEAT },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_REPEAT    },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_ROUND     },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_SPACE     }
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  } },
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  { "repeat",
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  { { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT,    GTK_CSS_REPEAT_STYLE_NO_REPEAT },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT,    GTK_CSS_REPEAT_STYLE_REPEAT    },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT,    GTK_CSS_REPEAT_STYLE_ROUND     },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT,    GTK_CSS_REPEAT_STYLE_SPACE     }
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  } }, 
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  { "round",
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  { { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND,     GTK_CSS_REPEAT_STYLE_NO_REPEAT },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND,     GTK_CSS_REPEAT_STYLE_REPEAT    },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND,     GTK_CSS_REPEAT_STYLE_ROUND     },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND,     GTK_CSS_REPEAT_STYLE_SPACE     }
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  } }, 
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  { "space",
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  { { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE,     GTK_CSS_REPEAT_STYLE_NO_REPEAT },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE,     GTK_CSS_REPEAT_STYLE_REPEAT    },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE,     GTK_CSS_REPEAT_STYLE_ROUND     },
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    { >K_CSS_VALUE_BACKGROUND_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE,     GTK_CSS_REPEAT_STYLE_SPACE     }
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  } }
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};
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GtkCssValue *
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_gtk_css_background_repeat_value_new (GtkCssRepeatStyle x,
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                                      GtkCssRepeatStyle y)
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{
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  return _gtk_css_value_ref (&background_repeat_values[x].values[y]);
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}
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static gboolean
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_gtk_css_background_repeat_style_try (GtkCssParser      *parser,
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                                      GtkCssRepeatStyle *result)
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{
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  guint i;
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  for (i = 0; i < G_N_ELEMENTS (background_repeat_values); i++)
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    {
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      if (_gtk_css_parser_try (parser, background_repeat_values[i].name, TRUE))
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        {
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          *result = i;
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          return TRUE;
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        }
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    }
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  return FALSE;
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}
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GtkCssValue *
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_gtk_css_background_repeat_value_try_parse (GtkCssParser *parser)
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{
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  GtkCssRepeatStyle x, y;
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  g_return_val_if_fail (parser != NULL, NULL);
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  if (_gtk_css_parser_try (parser, "repeat-x", TRUE))
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    return _gtk_css_background_repeat_value_new (GTK_CSS_REPEAT_STYLE_REPEAT, GTK_CSS_REPEAT_STYLE_NO_REPEAT);
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  if (_gtk_css_parser_try (parser, "repeat-y", TRUE))
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    return _gtk_css_background_repeat_value_new (GTK_CSS_REPEAT_STYLE_NO_REPEAT, GTK_CSS_REPEAT_STYLE_REPEAT);
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  if (!_gtk_css_background_repeat_style_try (parser, &x))
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    return NULL;
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  if (!_gtk_css_background_repeat_style_try (parser, &y))
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    y = x;
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  return _gtk_css_background_repeat_value_new (x, y);
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}
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GtkCssRepeatStyle
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_gtk_css_background_repeat_value_get_x (const GtkCssValue *repeat)
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{
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  g_return_val_if_fail (repeat->class == >K_CSS_VALUE_BACKGROUND_REPEAT, GTK_CSS_REPEAT_STYLE_NO_REPEAT);
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  return repeat->x;
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}
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GtkCssRepeatStyle
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_gtk_css_background_repeat_value_get_y (const GtkCssValue *repeat)
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{
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  g_return_val_if_fail (repeat->class == >K_CSS_VALUE_BACKGROUND_REPEAT, GTK_CSS_REPEAT_STYLE_NO_REPEAT);
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  return repeat->y;
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}
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/* BORDER IMAGE REPEAT */
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static struct {
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  const char *name;
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  GtkCssValue values[4];
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} border_repeat_values[4] = {
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  { "stretch",
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  { { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_STRETCH },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_REPEAT  },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_ROUND   },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_STRETCH, GTK_CSS_REPEAT_STYLE_SPACE   }
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  } },
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  { "repeat",
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  { { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT,  GTK_CSS_REPEAT_STYLE_STRETCH },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT,  GTK_CSS_REPEAT_STYLE_REPEAT  },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT,  GTK_CSS_REPEAT_STYLE_ROUND   },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_REPEAT,  GTK_CSS_REPEAT_STYLE_SPACE   }
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  } }, 
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  { "round",
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  { { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND,   GTK_CSS_REPEAT_STYLE_STRETCH },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND,   GTK_CSS_REPEAT_STYLE_REPEAT  },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND,   GTK_CSS_REPEAT_STYLE_ROUND   },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_ROUND,   GTK_CSS_REPEAT_STYLE_SPACE   }
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  } }, 
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  { "space",
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  { { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE,   GTK_CSS_REPEAT_STYLE_STRETCH },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE,   GTK_CSS_REPEAT_STYLE_REPEAT  },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE,   GTK_CSS_REPEAT_STYLE_ROUND   },
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    { >K_CSS_VALUE_BORDER_REPEAT, 1, GTK_CSS_REPEAT_STYLE_SPACE,   GTK_CSS_REPEAT_STYLE_SPACE   }
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  } }
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};
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GtkCssValue *
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_gtk_css_border_repeat_value_new (GtkCssRepeatStyle x,
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                                  GtkCssRepeatStyle y)
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{
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  return _gtk_css_value_ref (&border_repeat_values[x].values[y]);
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}
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static gboolean
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_gtk_css_border_repeat_style_try (GtkCssParser      *parser,
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                                  GtkCssRepeatStyle *result)
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{
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  guint i;
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  for (i = 0; i < G_N_ELEMENTS (border_repeat_values); i++)
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    {
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      if (_gtk_css_parser_try (parser, border_repeat_values[i].name, TRUE))
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        {
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          *result = i;
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          return TRUE;
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        }
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    }
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  return FALSE;
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}
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GtkCssValue *
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_gtk_css_border_repeat_value_try_parse (GtkCssParser *parser)
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{
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  GtkCssRepeatStyle x, y;
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  g_return_val_if_fail (parser != NULL, NULL);
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  if (!_gtk_css_border_repeat_style_try (parser, &x))
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    return NULL;
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  if (!_gtk_css_border_repeat_style_try (parser, &y))
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    y = x;
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  return _gtk_css_border_repeat_value_new (x, y);
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}
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GtkCssRepeatStyle
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_gtk_css_border_repeat_value_get_x (const GtkCssValue *repeat)
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{
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  g_return_val_if_fail (repeat->class == >K_CSS_VALUE_BORDER_REPEAT, GTK_CSS_REPEAT_STYLE_STRETCH);
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  return repeat->x;
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}
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GtkCssRepeatStyle
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_gtk_css_border_repeat_value_get_y (const GtkCssValue *repeat)
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{
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  g_return_val_if_fail (repeat->class == >K_CSS_VALUE_BORDER_REPEAT, GTK_CSS_REPEAT_STYLE_STRETCH);
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  return repeat->y;
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}
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