 d3a0dfe81a
			
		
	
	d3a0dfe81a
	
	
	
		
			
			So I don't have to print both styles to the console, paste them both into a file and then run diff on the 2 files anymore.
		
			
				
	
	
		
			157 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			157 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GTK - The GIMP Toolkit
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|  * Copyright (C) 2015 Benjamin Otte <otte@gnome.org>
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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 "gtkcssstylechangeprivate.h"
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| 
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| #include "gtkcssstylepropertyprivate.h"
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| 
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| void
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| gtk_css_style_change_init (GtkCssStyleChange *change,
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|                            GtkCssStyle       *old_style,
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|                            GtkCssStyle       *new_style)
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| {
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|   change->old_style = g_object_ref (old_style);
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|   change->new_style = g_object_ref (new_style);
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| 
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|   change->n_compared = 0;
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| 
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|   change->affects = 0;
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|   change->changes = _gtk_bitmask_new ();
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|   
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|   /* Make sure we don't do extra work if old and new are equal. */
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|   if (old_style == new_style)
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|     change->n_compared = GTK_CSS_PROPERTY_N_PROPERTIES;
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| }
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| 
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| void
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| gtk_css_style_change_finish (GtkCssStyleChange *change)
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| {
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|   g_object_unref (change->old_style);
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|   g_object_unref (change->new_style);
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|   _gtk_bitmask_free (change->changes);
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| }
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| 
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| GtkCssStyle *
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| gtk_css_style_change_get_old_style (GtkCssStyleChange *change)
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| {
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|   return change->old_style;
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| }
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| 
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| GtkCssStyle *
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| gtk_css_style_change_get_new_style (GtkCssStyleChange *change)
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| {
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|   return change->new_style;
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| }
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| 
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| static gboolean
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| gtk_css_style_compare_next_value (GtkCssStyleChange *change)
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| {
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|   if (change->n_compared == GTK_CSS_PROPERTY_N_PROPERTIES)
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|     return FALSE;
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| 
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|   if (!_gtk_css_value_equal (gtk_css_style_get_value (change->old_style, change->n_compared),
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|                              gtk_css_style_get_value (change->new_style, change->n_compared)))
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|     {
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|       change->affects |= _gtk_css_style_property_get_affects (_gtk_css_style_property_lookup_by_id (change->n_compared));
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|       change->changes = _gtk_bitmask_set (change->changes, change->n_compared, TRUE);
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|     }
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| 
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|   change->n_compared++;
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| 
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|   return TRUE;
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| }
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| 
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| gboolean
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| gtk_css_style_change_has_change (GtkCssStyleChange *change)
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| {
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|   do {
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|     if (!_gtk_bitmask_is_empty (change->changes))
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|       return TRUE;
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|   } while (gtk_css_style_compare_next_value (change));
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| 
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|   return FALSE;
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| }
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| 
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| gboolean
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| gtk_css_style_change_affects (GtkCssStyleChange *change,
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|                               GtkCssAffects      affects)
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| {
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|   do {
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|     if (change->affects & affects)
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|       return TRUE;
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|   } while (gtk_css_style_compare_next_value (change));
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| 
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|   return FALSE;
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| }
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| 
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| gboolean
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| gtk_css_style_change_changes_property (GtkCssStyleChange *change,
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|                                        guint              id)
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| {
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|   while (change->n_compared <= id)
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|     gtk_css_style_compare_next_value (change);
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| 
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|   return _gtk_bitmask_get (change->changes, id);
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| }
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| 
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| void
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| gtk_css_style_change_print (GtkCssStyleChange *change,
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|                             GString           *string)
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| {
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|   int i;
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|   GtkCssStyle *old = gtk_css_style_change_get_old_style (change);
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|   GtkCssStyle *new = gtk_css_style_change_get_new_style (change);
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| 
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|   for (i = 0; i < GTK_CSS_PROPERTY_N_PROPERTIES; i ++)
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|     {
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|       if (gtk_css_style_change_changes_property (change, i))
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|         {
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|           GtkCssStyleProperty *prop;
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|           GtkCssValue *value;
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|           const char *name;
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| 
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|           prop = _gtk_css_style_property_lookup_by_id (i);
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|           name = _gtk_style_property_get_name (GTK_STYLE_PROPERTY (prop));
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| 
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|           value = gtk_css_style_get_value (old, i);
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|           _gtk_css_value_print (value, string);
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| 
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|           g_string_append_printf (string, "%s: ", name);
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|           _gtk_css_value_print (value, string);
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|           g_string_append (string, "\n");
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| 
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|           g_string_append_printf (string, "%s: ", name);
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|           value = gtk_css_style_get_value (new, i);
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|           _gtk_css_value_print (value, string);
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|           g_string_append (string, "\n");
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|         }
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|     }
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| 
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| }
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| 
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| char *
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| gtk_css_style_change_to_string (GtkCssStyleChange *change)
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| {
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|   GString *string = g_string_new ("");
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| 
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|   gtk_css_style_change_print (change, string);
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| 
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|   return g_string_free (string, FALSE);
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| }
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