1 | /* |
2 | * Copyright © 2012 Red Hat Inc. |
3 | * |
4 | * This library is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU Lesser General Public |
6 | * License as published by the Free Software Foundation; either |
7 | * version 2.1 of the License, or (at your option) any later version. |
8 | * |
9 | * This library is distributed in the hope that it will be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. |
13 | * |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with this library. If not, see <http://www.gnu.org/licenses/>. |
16 | * |
17 | * Authors: Alexander Larsson <alexl@gnome.org> |
18 | */ |
19 | |
20 | #ifndef __GTK_CSS_VALUE_PRIVATE_H__ |
21 | #define __GTK_CSS_VALUE_PRIVATE_H__ |
22 | |
23 | #include <glib-object.h> |
24 | |
25 | #include "gtkcsstypesprivate.h" |
26 | #include "gtkstyleprovider.h" |
27 | |
28 | G_BEGIN_DECLS |
29 | |
30 | #define GTK_TYPE_CSS_VALUE (_gtk_css_value_get_type ()) |
31 | |
32 | /* A GtkCssValue is a refcounted immutable value type */ |
33 | |
34 | typedef struct _GtkCssValue GtkCssValue; |
35 | typedef struct _GtkCssValueClass GtkCssValueClass; |
36 | |
37 | /* using define instead of struct here so compilers get the packing right */ |
38 | #define GTK_CSS_VALUE_BASE \ |
39 | const GtkCssValueClass *class; \ |
40 | int ref_count; \ |
41 | guint is_computed: 1; |
42 | |
43 | struct _GtkCssValueClass { |
44 | const char *type_name; |
45 | void (* free) (GtkCssValue *value); |
46 | |
47 | GtkCssValue * (* compute) (GtkCssValue *value, |
48 | guint property_id, |
49 | GtkStyleProvider *provider, |
50 | GtkCssStyle *style, |
51 | GtkCssStyle *parent_style); |
52 | gboolean (* equal) (const GtkCssValue *value1, |
53 | const GtkCssValue *value2); |
54 | GtkCssValue * (* transition) (GtkCssValue *start, |
55 | GtkCssValue *end, |
56 | guint property_id, |
57 | double progress); |
58 | gboolean (* is_dynamic) (const GtkCssValue *value); |
59 | GtkCssValue * (* get_dynamic_value) (GtkCssValue *value, |
60 | gint64 monotonic_time); |
61 | void (* print) (const GtkCssValue *value, |
62 | GString *string); |
63 | }; |
64 | |
65 | GType _gtk_css_value_get_type (void) G_GNUC_CONST; |
66 | |
67 | GtkCssValue *_gtk_css_value_alloc (const GtkCssValueClass *klass, |
68 | gsize size); |
69 | #define _gtk_css_value_new(_name, _klass) ((_name *) _gtk_css_value_alloc ((_klass), sizeof (_name))) |
70 | |
71 | #define _gtk_css_value_ref gtk_css_value_ref |
72 | GtkCssValue * gtk_css_value_ref (GtkCssValue *value); |
73 | #define _gtk_css_value_unref gtk_css_value_unref |
74 | void gtk_css_value_unref (GtkCssValue *value); |
75 | |
76 | GtkCssValue *_gtk_css_value_compute (GtkCssValue *value, |
77 | guint property_id, |
78 | GtkStyleProvider *provider, |
79 | GtkCssStyle *style, |
80 | GtkCssStyle *parent_style) G_GNUC_PURE; |
81 | gboolean _gtk_css_value_equal (const GtkCssValue *value1, |
82 | const GtkCssValue *value2) G_GNUC_PURE; |
83 | gboolean _gtk_css_value_equal0 (const GtkCssValue *value1, |
84 | const GtkCssValue *value2) G_GNUC_PURE; |
85 | GtkCssValue *_gtk_css_value_transition (GtkCssValue *start, |
86 | GtkCssValue *end, |
87 | guint property_id, |
88 | double progress); |
89 | gboolean gtk_css_value_is_dynamic (const GtkCssValue *value) G_GNUC_PURE; |
90 | GtkCssValue * gtk_css_value_get_dynamic_value (GtkCssValue *value, |
91 | gint64 monotonic_time); |
92 | |
93 | char * _gtk_css_value_to_string (const GtkCssValue *value); |
94 | void _gtk_css_value_print (const GtkCssValue *value, |
95 | GString *string); |
96 | gboolean gtk_css_value_is_computed (const GtkCssValue *value) G_GNUC_PURE; |
97 | |
98 | G_END_DECLS |
99 | |
100 | #endif /* __GTK_CSS_VALUE_PRIVATE_H__ */ |
101 | |