forked from AuroraMiddleware/gtk
40283e7c27
... and Make this new value be a real GValue, as we don't need to save performance for these anymore (it's just used for custom properties). And I'd rather have code work for all values then be optimized for no reason.
126 lines
2.9 KiB
C
126 lines
2.9 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 "gtkcssvalueprivate.h"
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struct _GtkCssValue {
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GTK_CSS_VALUE_BASE
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};
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G_DEFINE_BOXED_TYPE (GtkCssValue, _gtk_css_value, _gtk_css_value_ref, _gtk_css_value_unref)
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GtkCssValue *
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_gtk_css_value_alloc (const GtkCssValueClass *klass,
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gsize size)
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{
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GtkCssValue *value;
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value = g_slice_alloc0 (size);
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value->class = klass;
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value->ref_count = 1;
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return value;
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}
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GtkCssValue *
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_gtk_css_value_ref (GtkCssValue *value)
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{
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g_return_val_if_fail (value != NULL, NULL);
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g_atomic_int_add (&value->ref_count, 1);
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return value;
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}
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void
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_gtk_css_value_unref (GtkCssValue *value)
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{
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if (value == NULL)
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return;
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if (!g_atomic_int_dec_and_test (&value->ref_count))
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return;
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value->class->free (value);
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}
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gboolean
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_gtk_css_value_equal (const GtkCssValue *value1,
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const GtkCssValue *value2)
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{
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g_return_val_if_fail (value1 != NULL, FALSE);
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g_return_val_if_fail (value2 != NULL, FALSE);
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if (value1->class != value2->class)
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return FALSE;
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return value1->class->equal (value1, value2);
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}
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gboolean
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_gtk_css_value_equal0 (const GtkCssValue *value1,
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const GtkCssValue *value2)
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{
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if (value1 == NULL && value2 == NULL)
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return TRUE;
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if (value1 == NULL || value2 == NULL)
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return FALSE;
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return _gtk_css_value_equal (value1, value2);
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}
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GtkCssValue *
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_gtk_css_value_transition (GtkCssValue *start,
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GtkCssValue *end,
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double progress)
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{
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g_return_val_if_fail (start != NULL, FALSE);
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g_return_val_if_fail (end != NULL, FALSE);
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if (start->class != end->class)
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return NULL;
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return start->class->transition (start, end, progress);
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}
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char *
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_gtk_css_value_to_string (const GtkCssValue *value)
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{
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GString *string;
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g_return_val_if_fail (value != NULL, NULL);
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string = g_string_new (NULL);
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_gtk_css_value_print (value, string);
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return g_string_free (string, FALSE);
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}
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void
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_gtk_css_value_print (const GtkCssValue *value,
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GString *string)
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{
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g_return_if_fail (value != NULL);
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g_return_if_fail (string != NULL);
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value->class->print (value, string);
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}
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