forked from AuroraMiddleware/gtk
af2c40bd54
We need to be able to compute different GtkCssImage values depending on the scale, and we need this at compute time so that we don't need to read any images other than the scale in used (to e.g. calculate the image size). GtkStyleProviderPrivate is shared for all style contexts, so its not right.
92 lines
4.9 KiB
C
92 lines
4.9 KiB
C
/*
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* Copyright © 2012 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 2.1 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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* Authors: Alexander Larsson <alexl@gnome.org>
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*/
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#ifndef __GTK_CSS_VALUE_PRIVATE_H__
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#define __GTK_CSS_VALUE_PRIVATE_H__
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#include <glib-object.h>
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#include "gtkcsstypesprivate.h"
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G_BEGIN_DECLS
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#define GTK_TYPE_CSS_VALUE (_gtk_css_value_get_type ())
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/* A GtkCssValue is a refcounted immutable value type */
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typedef struct _GtkCssValue GtkCssValue;
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typedef struct _GtkCssValueClass GtkCssValueClass;
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/* using define instead of struct here so compilers get the packing right */
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#define GTK_CSS_VALUE_BASE \
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const GtkCssValueClass *class; \
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volatile gint ref_count;
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struct _GtkCssValueClass {
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void (* free) (GtkCssValue *value);
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GtkCssValue * (* compute) (GtkCssValue *value,
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guint property_id,
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GtkStyleProviderPrivate *provider,
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int scale,
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GtkCssComputedValues *values,
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GtkCssComputedValues *parent_values,
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GtkCssDependencies *dependencies);
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gboolean (* equal) (const GtkCssValue *value1,
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const GtkCssValue *value2);
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GtkCssValue * (* 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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void (* print) (const GtkCssValue *value,
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GString *string);
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};
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GType _gtk_css_value_get_type (void) G_GNUC_CONST;
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GtkCssValue *_gtk_css_value_alloc (const GtkCssValueClass *klass,
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gsize size);
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#define _gtk_css_value_new(_name, _klass) ((_name *) _gtk_css_value_alloc ((_klass), sizeof (_name)))
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GtkCssValue *_gtk_css_value_ref (GtkCssValue *value);
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void _gtk_css_value_unref (GtkCssValue *value);
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GtkCssValue *_gtk_css_value_compute (GtkCssValue *value,
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guint property_id,
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GtkStyleProviderPrivate *provider,
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int scale,
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GtkCssComputedValues *values,
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GtkCssComputedValues *parent_values,
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GtkCssDependencies *dependencies);
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gboolean _gtk_css_value_equal (const GtkCssValue *value1,
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const GtkCssValue *value2);
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gboolean _gtk_css_value_equal0 (const GtkCssValue *value1,
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const GtkCssValue *value2);
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GtkCssValue *_gtk_css_value_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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char * _gtk_css_value_to_string (const GtkCssValue *value);
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void _gtk_css_value_print (const GtkCssValue *value,
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GString *string);
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G_END_DECLS
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#endif /* __GTK_CSS_VALUE_PRIVATE_H__ */
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