1 /* GAIL - The GNOME Accessibility Implementation Library
2  * Copyright 2001 Sun Microsystems Inc.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library 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  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library 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 __GAIL_CELL_H__
21 #define __GAIL_CELL_H__
22 
23 #include <atk/atk.h>
24 
25 G_BEGIN_DECLS
26 
27 #define GAIL_TYPE_CELL                           (gail_cell_get_type ())
28 #define GAIL_CELL(obj)                           (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAIL_TYPE_CELL, GailCell))
29 #define GAIL_CELL_CLASS(klass)                   (G_TYPE_CHECK_CLASS_CAST ((klass), GAIL_TYPE_CELL, GailCellClass))
30 #define GAIL_IS_CELL(obj)                        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAIL_TYPE_CELL))
31 #define GAIL_IS_CELL_CLASS(klass)                (G_TYPE_CHECK_CLASS_TYPE ((klass), GAIL_TYPE_CELL))
32 #define GAIL_CELL_GET_CLASS(obj)                 (G_TYPE_INSTANCE_GET_CLASS ((obj), GAIL_TYPE_CELL, GailCellClass))
33 
34 typedef struct _GailCell                  GailCell;
35 typedef struct _GailCellClass             GailCellClass;
36 typedef struct _ActionInfo ActionInfo;
37 typedef void (*ACTION_FUNC) (GailCell *cell);
38 
39 struct _GailCell
40 {
41   AtkObject parent;
42 
43   GtkWidget    *widget;
44   /*
45    * This cached value is used only by atk_object_get_index_in_parent()
46    * which updates the value when it is stale.
47    */
48   gint         index;
49   AtkStateSet *state_set;
50   GList       *action_list;
51   void (*refresh_index) (GailCell *cell);
52   gint         action_idle_handler;
53   ACTION_FUNC  action_func;
54 };
55 
56 GType gail_cell_get_type (void);
57 
58 struct _GailCellClass
59 {
60   AtkObjectClass parent_class;
61 };
62 
63 struct _ActionInfo {
64   gchar *name;
65   gchar *description;
66   gchar *keybinding;
67   ACTION_FUNC do_action_func;
68 };
69 
70 void      gail_cell_initialise           (GailCell        *cell,
71                                           GtkWidget       *widget,
72                                           AtkObject       *parent,
73 			                  gint            index);
74 
75 gboolean gail_cell_add_state             (GailCell        *cell,
76                                           AtkStateType    state_type,
77                                           gboolean        emit_signal);
78 
79 gboolean gail_cell_remove_state          (GailCell        *cell,
80                                           AtkStateType    state_type,
81                                           gboolean        emit_signal);
82 
83 #ifndef GTK_DISABLE_DEPRECATED
84 void     gail_cell_type_add_action_interface
85                                          (GType           type);
86 #endif
87 
88 gboolean gail_cell_add_action            (GailCell        *cell,
89 		                          const gchar     *action_name,
90 		                          const gchar     *action_description,
91 		                          const gchar     *action_keybinding,
92 		                          ACTION_FUNC     action_func);
93 
94 gboolean gail_cell_remove_action         (GailCell        *cell,
95                                           gint            action_id);
96 
97 gboolean gail_cell_remove_action_by_name (GailCell        *cell,
98                                           const gchar     *action_name);
99 
100 G_END_DECLS
101 
102 #endif /* __GAIL_CELL_H__ */
103