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1 /* GTK - The GIMP Toolkit
2  * Copyright (C) 2010 Carlos Garnacho <carlosg@gnome.org>
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 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, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 #ifndef __GTK_STYLEPROPERTY_PRIVATE_H__
21 #define __GTK_STYLEPROPERTY_PRIVATE_H__
22
23 #include "gtkcssparserprivate.h"
24 #include "gtkstylecontextprivate.h"
25
26 G_BEGIN_DECLS
27
28 #define GTK_TYPE_STYLE_PROPERTY           (_gtk_style_property_get_type ())
29 #define GTK_STYLE_PROPERTY(obj)           (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_STYLE_PROPERTY, GtkStyleProperty))
30 #define GTK_STYLE_PROPERTY_CLASS(cls)     (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_STYLE_PROPERTY, GtkStylePropertyClass))
31 #define GTK_IS_STYLE_PROPERTY(obj)        (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_STYLE_PROPERTY))
32 #define GTK_IS_STYLE_PROPERTY_CLASS(obj)  (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_STYLE_PROPERTY))
33 #define GTK_STYLE_PROPERTY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_STYLE_PROPERTY, GtkStylePropertyClass))
34
35 typedef struct _GtkStyleProperty           GtkStyleProperty;
36 typedef struct _GtkStylePropertyClass      GtkStylePropertyClass;
37
38 typedef enum {
39   GTK_STYLE_PROPERTY_INHERIT = (1 << 0)
40 } GtkStylePropertyFlags;
41
42 typedef GParameter *     (* GtkStyleUnpackFunc)            (const GValue           *value,
43                                                             guint                  *n_params);
44 typedef void             (* GtkStylePackFunc)              (GValue                 *value,
45                                                             GtkStyleProperties     *props,
46                                                             GtkStateFlags           state,
47                                                             GtkStylePropertyContext *context);
48 typedef gboolean         (* GtkStyleParseFunc)             (GtkCssParser           *parser,
49                                                             GFile                  *base,
50                                                             GValue                 *value);
51 typedef void             (* GtkStylePrintFunc)             (const GValue           *value,
52                                                             GString                *string);
53
54 struct _GtkStyleProperty
55 {
56   GObject parent;
57
58   char *name;
59   GType value_type;
60
61   GParamSpec               *pspec;
62
63   GtkStylePropertyParser    property_parse_func;
64   GtkStyleUnpackFunc        unpack_func;
65   GtkStylePackFunc          pack_func;
66   GtkStyleParseFunc         parse_func;
67   GtkStylePrintFunc         print_func;
68 };
69
70 struct _GtkStylePropertyClass
71 {
72   GObjectClass  parent_class;
73   
74   void              (* assign)                             (GtkStyleProperty       *property,
75                                                             GtkStyleProperties     *props,
76                                                             GtkStateFlags           state,
77                                                             const GValue           *value);
78   void              (* query)                              (GtkStyleProperty       *property,
79                                                             GtkStyleProperties     *props,
80                                                             GtkStateFlags           state,
81                                                             GtkStylePropertyContext *context,
82                                                             GValue                 *value);
83
84   GHashTable   *properties;
85 };
86
87 GType               _gtk_style_property_get_type             (void) G_GNUC_CONST;
88
89 GtkStyleProperty *       _gtk_style_property_lookup        (const char             *name);
90
91 const char *             _gtk_style_property_get_name      (GtkStyleProperty       *property);
92
93 void                     _gtk_style_property_register      (GParamSpec             *pspec,
94                                                             GtkStylePropertyFlags   flags,
95                                                             GtkStylePropertyParser  property_parse_func,
96                                                             GtkStyleParseFunc       parse_func,
97                                                             GtkStylePrintFunc       print_func,
98                                                             const GValue           *initial_value);
99
100 GParameter *             _gtk_style_property_unpack        (GtkStyleProperty *      property,
101                                                             const GValue           *value,
102                                                             guint                  *n_params);
103
104 gboolean                 _gtk_style_property_parse_value   (GtkStyleProperty *      property,
105                                                             GValue                 *value,
106                                                             GtkCssParser           *parser,
107                                                             GFile                  *base);
108
109 GType                    _gtk_style_property_get_value_type(GtkStyleProperty *      property);
110 void                     _gtk_style_property_query         (GtkStyleProperty *      property,
111                                                             GtkStyleProperties     *props,
112                                                             GtkStateFlags           state,
113                                                             GtkStylePropertyContext *context,
114                                                             GValue                 *value);
115 void                     _gtk_style_property_assign        (GtkStyleProperty       *property,
116                                                             GtkStyleProperties     *props,
117                                                             GtkStateFlags           state,
118                                                             const GValue           *value);
119
120 G_END_DECLS
121
122 #endif /* __GTK_CSS_STYLEPROPERTY_PRIVATE_H__ */