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, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifndef __GTK_STYLE_PROVIDER_H__
19#define __GTK_STYLE_PROVIDER_H__
20
21#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
22#error "Only <gtk/gtk.h> can be included directly."
23#endif
24
25#include <glib-object.h>
26#include <gtk/gtkenums.h>
27#include <gtk/deprecated/gtkiconfactory.h>
28#include <gtk/deprecated/gtkstyleproperties.h>
29#include <gtk/gtktypes.h>
30
31G_BEGIN_DECLS
32
33#define GTK_TYPE_STYLE_PROVIDER (gtk_style_provider_get_type ())
34#define GTK_STYLE_PROVIDER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_STYLE_PROVIDER, GtkStyleProvider))
35#define GTK_IS_STYLE_PROVIDER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_STYLE_PROVIDER))
36#define GTK_STYLE_PROVIDER_GET_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), GTK_TYPE_STYLE_PROVIDER, GtkStyleProviderIface))
37
38/**
39 * GTK_STYLE_PROVIDER_PRIORITY_FALLBACK:
40 *
41 * The priority used for default style information
42 * that is used in the absence of themes.
43 *
44 * Note that this is not very useful for providing default
45 * styling for custom style classes - themes are likely to
46 * override styling provided at this priority with
47 * catch-all `* {...}` rules.
48 */
49#define GTK_STYLE_PROVIDER_PRIORITY_FALLBACK 1
50
51/**
52 * GTK_STYLE_PROVIDER_PRIORITY_THEME:
53 *
54 * The priority used for style information provided
55 * by themes.
56 */
57#define GTK_STYLE_PROVIDER_PRIORITY_THEME 200
58
59/**
60 * GTK_STYLE_PROVIDER_PRIORITY_SETTINGS:
61 *
62 * The priority used for style information provided
63 * via #GtkSettings.
64 *
65 * This priority is higher than #GTK_STYLE_PROVIDER_PRIORITY_THEME
66 * to let settings override themes.
67 */
68#define GTK_STYLE_PROVIDER_PRIORITY_SETTINGS 400
69
70/**
71 * GTK_STYLE_PROVIDER_PRIORITY_APPLICATION:
72 *
73 * A priority that can be used when adding a #GtkStyleProvider
74 * for application-specific style information.
75 */
76#define GTK_STYLE_PROVIDER_PRIORITY_APPLICATION 600
77
78/**
79 * GTK_STYLE_PROVIDER_PRIORITY_USER:
80 *
81 * The priority used for the style information from
82 * `XDG_CONFIG_HOME/gtk-3.0/gtk.css`.
83 *
84 * You should not use priorities higher than this, to
85 * give the user the last word.
86 */
87#define GTK_STYLE_PROVIDER_PRIORITY_USER 800
88
89typedef struct _GtkStyleProviderIface GtkStyleProviderIface;
90typedef struct _GtkStyleProvider GtkStyleProvider; /* dummy typedef */
91
92/**
93 * GtkStyleProviderIface:
94 * @get_style: Gets a set of style information that applies to a widget path.
95 * @get_style_property: Gets the value of a widget style property that applies to a widget path.
96 * @get_icon_factory: Gets the icon factory that applies to a widget path.
97 */
98struct _GtkStyleProviderIface
99{
100 /*< private >*/
101 GTypeInterface g_iface;
102
103 /*< public >*/
104
105 GtkStyleProperties * (* get_style) (GtkStyleProvider *provider,
106 GtkWidgetPath *path);
107
108 gboolean (* get_style_property) (GtkStyleProvider *provider,
109 GtkWidgetPath *path,
110 GtkStateFlags state,
111 GParamSpec *pspec,
112 GValue *value);
113
114 GtkIconFactory * (* get_icon_factory) (GtkStyleProvider *provider,
115 GtkWidgetPath *path);
116};
117
118GDK_AVAILABLE_IN_ALL
119GType gtk_style_provider_get_type (void) G_GNUC_CONST;
120
121GDK_DEPRECATED_IN_3_8
122GtkStyleProperties *gtk_style_provider_get_style (GtkStyleProvider *provider,
123 GtkWidgetPath *path);
124
125GDK_AVAILABLE_IN_ALL
126gboolean gtk_style_provider_get_style_property (GtkStyleProvider *provider,
127 GtkWidgetPath *path,
128 GtkStateFlags state,
129 GParamSpec *pspec,
130 GValue *value);
131
132GDK_DEPRECATED_IN_3_8_FOR(NULL)
133GtkIconFactory * gtk_style_provider_get_icon_factory (GtkStyleProvider *provider,
134 GtkWidgetPath *path);
135
136G_END_DECLS
137
138#endif /* __GTK_STYLE_PROVIDER_H__ */
139