1 /* GAIL - The GNOME Accessibility Implementation Library
2 * Copyright 2002, 2003 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 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 #include "config.h"
21
22 #include <string.h>
23 #include "gailcheckmenuitem.h"
24 #include "gailchecksubmenuitem.h"
25
26 static void gail_check_menu_item_class_init (GailCheckMenuItemClass *klass);
27
28 static void gail_check_menu_item_init (GailCheckMenuItem *item);
29
30 static void gail_check_menu_item_toggled_gtk (GtkWidget *widget);
31
32 static void gail_check_menu_item_real_notify_gtk (GObject *obj,
33 GParamSpec *pspec);
34
35 static void gail_check_menu_item_real_initialize (AtkObject *obj,
36 gpointer data);
37
38 static AtkStateSet* gail_check_menu_item_ref_state_set (AtkObject *accessible);
39
G_DEFINE_TYPE(GailCheckMenuItem,gail_check_menu_item,GAIL_TYPE_MENU_ITEM)40 G_DEFINE_TYPE (GailCheckMenuItem, gail_check_menu_item, GAIL_TYPE_MENU_ITEM)
41
42 static void
43 gail_check_menu_item_class_init (GailCheckMenuItemClass *klass)
44 {
45 GailWidgetClass *widget_class;
46 AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
47
48 widget_class = (GailWidgetClass*)klass;
49 widget_class->notify_gtk = gail_check_menu_item_real_notify_gtk;
50
51 class->ref_state_set = gail_check_menu_item_ref_state_set;
52 class->initialize = gail_check_menu_item_real_initialize;
53 }
54
55 static void
gail_check_menu_item_init(GailCheckMenuItem * item)56 gail_check_menu_item_init (GailCheckMenuItem *item)
57 {
58 }
59
60 AtkObject*
gail_check_menu_item_new(GtkWidget * widget)61 gail_check_menu_item_new (GtkWidget *widget)
62 {
63 GObject *object;
64 AtkObject *accessible;
65
66 g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), NULL);
67
68 if (gtk_menu_item_get_submenu (GTK_MENU_ITEM (widget)))
69 return gail_check_sub_menu_item_new (widget);
70
71 object = g_object_new (GAIL_TYPE_CHECK_MENU_ITEM, NULL);
72
73 accessible = ATK_OBJECT (object);
74 atk_object_initialize (accessible, widget);
75
76 return accessible;
77 }
78
79 static void
gail_check_menu_item_real_initialize(AtkObject * obj,gpointer data)80 gail_check_menu_item_real_initialize (AtkObject *obj,
81 gpointer data)
82 {
83 ATK_OBJECT_CLASS (gail_check_menu_item_parent_class)->initialize (obj, data);
84
85 g_signal_connect (data,
86 "toggled",
87 G_CALLBACK (gail_check_menu_item_toggled_gtk),
88 NULL);
89
90 obj->role = ATK_ROLE_CHECK_MENU_ITEM;
91 }
92
93 static void
gail_check_menu_item_toggled_gtk(GtkWidget * widget)94 gail_check_menu_item_toggled_gtk (GtkWidget *widget)
95 {
96 AtkObject *accessible;
97 GtkCheckMenuItem *check_menu_item;
98
99 check_menu_item = GTK_CHECK_MENU_ITEM (widget);
100
101 accessible = gtk_widget_get_accessible (widget);
102 atk_object_notify_state_change (accessible, ATK_STATE_CHECKED,
103 check_menu_item->active);
104 }
105
106 static AtkStateSet*
gail_check_menu_item_ref_state_set(AtkObject * accessible)107 gail_check_menu_item_ref_state_set (AtkObject *accessible)
108 {
109 AtkStateSet *state_set;
110 GtkCheckMenuItem *check_menu_item;
111 GtkWidget *widget;
112
113 state_set = ATK_OBJECT_CLASS (gail_check_menu_item_parent_class)->ref_state_set (accessible);
114 widget = GTK_ACCESSIBLE (accessible)->widget;
115
116 if (widget == NULL)
117 return state_set;
118
119 check_menu_item = GTK_CHECK_MENU_ITEM (widget);
120
121 if (gtk_check_menu_item_get_active (check_menu_item))
122 atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
123
124 if (gtk_check_menu_item_get_inconsistent (check_menu_item))
125 {
126 atk_state_set_remove_state (state_set, ATK_STATE_ENABLED);
127 atk_state_set_add_state (state_set, ATK_STATE_INDETERMINATE);
128 }
129
130 return state_set;
131 }
132
133 static void
gail_check_menu_item_real_notify_gtk(GObject * obj,GParamSpec * pspec)134 gail_check_menu_item_real_notify_gtk (GObject *obj,
135 GParamSpec *pspec)
136 {
137 GtkCheckMenuItem *check_menu_item = GTK_CHECK_MENU_ITEM (obj);
138 AtkObject *atk_obj;
139 gboolean sensitive;
140 gboolean inconsistent;
141
142 atk_obj = gtk_widget_get_accessible (GTK_WIDGET (check_menu_item));
143 sensitive = gtk_widget_get_sensitive (GTK_WIDGET (check_menu_item));
144 inconsistent = gtk_check_menu_item_get_inconsistent (check_menu_item);
145
146 if (strcmp (pspec->name, "inconsistent") == 0)
147 {
148 atk_object_notify_state_change (atk_obj, ATK_STATE_INDETERMINATE, inconsistent);
149 atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED, (sensitive && !inconsistent));
150 }
151 else if (strcmp (pspec->name, "sensitive") == 0)
152 {
153 /* Need to override gailwidget behavior of notifying for ENABLED */
154 atk_object_notify_state_change (atk_obj, ATK_STATE_SENSITIVE, sensitive);
155 atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED, (sensitive && !inconsistent));
156 }
157 else
158 GAIL_WIDGET_CLASS (gail_check_menu_item_parent_class)->notify_gtk (obj, pspec);
159 }
160