]> Pileus Git - ~andy/gtk/blob - gtk/gtkthemingengine.h
GtkThemingEngine: Add vmethod to render sliders.
[~andy/gtk] / gtk / gtkthemingengine.h
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_THEMING_ENGINE_H__
21 #define __GTK_THEMING_ENGINE_H__
22
23 #include <glib-object.h>
24 #include <cairo.h>
25
26 #include <gtk/gtkstylecontext.h>
27 #include <gtk/gtkwidgetpath.h>
28 #include <gtk/gtkenums.h>
29
30 G_BEGIN_DECLS
31
32 #define GTK_TYPE_THEMING_ENGINE         (gtk_theming_engine_get_type ())
33 #define GTK_THEMING_ENGINE(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GTK_TYPE_THEMING_ENGINE, GtkThemingEngine))
34 #define GTK_THEMING_ENGINE_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST    ((c), GTK_TYPE_THEMING_ENGINE, GtkThemingEngineClass))
35 #define GTK_IS_THEMING_ENGINE(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GTK_TYPE_THEMING_ENGINE))
36 #define GTK_IS_THEMING_ENGINE_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE    ((c), GTK_TYPE_THEMING_ENGINE))
37 #define GTK_THEMING_ENGINE_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS  ((o), GTK_TYPE_THEMING_ENGINE, GtkThemingEngineClass))
38
39 typedef struct GtkThemingEngine GtkThemingEngine;
40 typedef struct GtkThemingEngineClass GtkThemingEngineClass;
41
42 struct GtkThemingEngine
43 {
44   GObject parent_object;
45   gpointer priv;
46 };
47
48 struct GtkThemingEngineClass
49 {
50   GObjectClass parent_class;
51
52   void (* render_line) (GtkThemingEngine *engine,
53                         cairo_t          *cr,
54                         gdouble           x0,
55                         gdouble           y0,
56                         gdouble           x1,
57                         gdouble           y1);
58   void (* render_background) (GtkThemingEngine *engine,
59                               cairo_t          *cr,
60                               gdouble           x,
61                               gdouble           y,
62                               gdouble           width,
63                               gdouble           height);
64   void (* render_frame) (GtkThemingEngine *engine,
65                          cairo_t          *cr,
66                          gdouble           x,
67                          gdouble           y,
68                          gdouble           width,
69                          gdouble           height);
70   void (* render_check) (GtkThemingEngine *engine,
71                          cairo_t          *cr,
72                          gdouble           x,
73                          gdouble           y,
74                          gdouble           width,
75                          gdouble           height);
76   void (* render_option) (GtkThemingEngine *engine,
77                           cairo_t          *cr,
78                           gdouble           x,
79                           gdouble           y,
80                           gdouble           width,
81                           gdouble           height);
82   void (* render_arrow) (GtkThemingEngine *engine,
83                          cairo_t          *cr,
84                          gdouble           angle,
85                          gdouble           x,
86                          gdouble           y,
87                          gdouble           size);
88   void (* render_expander) (GtkThemingEngine *engine,
89                             cairo_t          *cr,
90                             gdouble           x,
91                             gdouble           y,
92                             gdouble           width,
93                             gdouble           height);
94   void (* render_focus) (GtkThemingEngine *engine,
95                          cairo_t          *cr,
96                          gdouble           x,
97                          gdouble           y,
98                          gdouble           width,
99                          gdouble           height);
100   void (* render_layout) (GtkThemingEngine *engine,
101                           cairo_t          *cr,
102                           gdouble           x,
103                           gdouble           y,
104                           PangoLayout      *layout);
105   void (* render_slider) (GtkThemingEngine *engine,
106                           cairo_t          *cr,
107                           gdouble           x,
108                           gdouble           y,
109                           gdouble           width,
110                           gdouble           height,
111                           GtkOrientation    orientation);
112 };
113
114 GType gtk_theming_engine_get_type (void) G_GNUC_CONST;
115
116 void _gtk_theming_engine_set_context (GtkThemingEngine *engine,
117                                       GtkStyleContext  *context);
118
119 void gtk_theming_engine_get_property (GtkThemingEngine *engine,
120                                       const gchar      *property,
121                                       GtkStateType      state,
122                                       GValue           *value);
123 void gtk_theming_engine_get_valist   (GtkThemingEngine *engine,
124                                       GtkStateType      state,
125                                       va_list           args);
126 void gtk_theming_engine_get          (GtkThemingEngine *engine,
127                                       GtkStateType      state,
128                                       ...) G_GNUC_NULL_TERMINATED;
129
130 G_CONST_RETURN GtkWidgetPath * gtk_theming_engine_get_path (GtkThemingEngine *engine);
131
132 gboolean gtk_theming_engine_has_class        (GtkThemingEngine *engine,
133                                               const gchar      *style_class);
134 gboolean gtk_theming_engine_has_child_class (GtkThemingEngine   *engine,
135                                              const gchar        *style_class,
136                                              GtkChildClassFlags *flags);
137
138 GtkStateFlags gtk_theming_engine_get_state     (GtkThemingEngine *engine);
139 gboolean      gtk__theming_engine_is_state_set (GtkThemingEngine *engine,
140                                                 GtkStateType      state);
141
142 G_CONST_RETURN GtkThemingEngine * gtk_theming_engine_load (const gchar *name);
143
144
145 G_END_DECLS
146
147 #endif /* __GTK_THEMING_ENGINE_H__ */