 1116914ea0
			
		
	
	1116914ea0
	
	
	
		
			
			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.
		
			
				
	
	
		
			314 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			314 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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| 
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| #include "config.h"
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| 
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| #include "gtkcssrepeatvalueprivate.h"
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| 
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| #include "gtkcssnumbervalueprivate.h"
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| 
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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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| 
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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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| 
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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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|                               GtkCssDependencies      *dependencies)
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| {
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|   return _gtk_css_value_ref (value);
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| }
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|   return FALSE;
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| }
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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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| 
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|   g_return_val_if_fail (parser != NULL, NULL);
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| 
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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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| 
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|   if (!_gtk_css_background_repeat_style_try (parser, &x))
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|     return NULL;
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| 
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|   if (!_gtk_css_background_repeat_style_try (parser, &y))
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|     y = x;
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| 
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|   return _gtk_css_background_repeat_value_new (x, y);
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| }
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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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| 
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|   return repeat->x;
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| }
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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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| 
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|   return repeat->y;
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| }
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| 
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| /* BORDER IMAGE REPEAT */
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|   return FALSE;
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| }
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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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| 
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|   g_return_val_if_fail (parser != NULL, NULL);
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| 
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|   if (!_gtk_css_border_repeat_style_try (parser, &x))
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|     return NULL;
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| 
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|   if (!_gtk_css_border_repeat_style_try (parser, &y))
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|     y = x;
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| 
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|   return _gtk_css_border_repeat_value_new (x, y);
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| }
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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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| 
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|   return repeat->x;
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| }
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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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| 
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|   return repeat->y;
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| }
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| 
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