summaryrefslogtreecommitdiff
path: root/capplets/accessibility/at-properties/main.c
blob: bfcdede97015c549264d8e66ea03b4d62eb0d39a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
#include <config.h>
#include <gtk/gtk.h>
#include <gio/gio.h>

#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>

#define GSM_SERVICE_DBUS   "org.gnome.SessionManager"
#define GSM_PATH_DBUS      "/org/gnome/SessionManager"
#define GSM_INTERFACE_DBUS "org.gnome.SessionManager"

enum {
        GSM_LOGOUT_MODE_NORMAL = 0,
        GSM_LOGOUT_MODE_NO_CONFIRMATION,
        GSM_LOGOUT_MODE_FORCE
};

#include "capplet-util.h"
#include "activate-settings-daemon.h"

#define ACCESSIBILITY_KEY       "accessibility"
#define ACCESSIBILITY_SCHEMA    "org.mate.interface"

static gboolean initial_state;

static GtkBuilder *
create_builder (void)
{
    GtkBuilder *builder;
    GError *error = NULL;

    builder = gtk_builder_new ();

    if (gtk_builder_add_from_resource (builder, "/org/mate/mcc/accessibility/at/at-enable-dialog.ui", &error)) {
        GObject *object;
        gchar *prog;

        object = gtk_builder_get_object (builder, "at_enable_image");
        gtk_image_set_from_file (GTK_IMAGE (object),
                                 PIXMAPDIR "/at-startup.png");

        object = gtk_builder_get_object (builder,
                                         "at_applications_image");
        gtk_image_set_from_file (GTK_IMAGE (object),
                                 PIXMAPDIR "/at-support.png");

        prog = g_find_program_in_path ("mdmsetup");
        if (prog == NULL) {
            object = gtk_builder_get_object (builder,
                             "login_button");
            gtk_widget_hide (GTK_WIDGET (object));
        }

        g_free (prog);
    } else {
        g_warning ("Could not load UI: %s", error->message);
        g_error_free (error);
        g_object_unref (builder);
        builder = NULL;
    }

    return builder;
}

static void
cb_at_preferences (GtkDialog *dialog, gint response_id)
{
	g_spawn_command_line_async ("mate-default-applications-properties --show-page=a11y", NULL);
}

static void
cb_keyboard_preferences (GtkDialog *dialog, gint response_id)
{
	g_spawn_command_line_async ("mate-keyboard-properties --a11y", NULL);
}

static void
cb_mouse_preferences (GtkDialog *dialog, gint response_id)
{
	g_spawn_command_line_async ("mate-mouse-properties --show-page=accessibility", NULL);
}

static void
cb_login_preferences (GtkDialog *dialog, gint response_id)
{
    g_spawn_command_line_async ("mdmsetup", NULL);
}

/* get_session_bus(), get_sm_proxy(), and do_logout() are all
 * based on code from mate-session-save.c from mate-session.
 */
static DBusGConnection *
get_session_bus (void)
{
        DBusGConnection *bus;
        GError *error = NULL;

        bus = dbus_g_bus_get (DBUS_BUS_SESSION, &error);

        if (bus == NULL) {
                g_warning ("Couldn't connect to session bus: %s", error->message);
                g_error_free (error);
        }

        return bus;
}

static DBusGProxy *
get_sm_proxy (void)
{
        DBusGConnection *connection;
        DBusGProxy      *sm_proxy;

        if (!(connection = get_session_bus ()))
		return NULL;

        sm_proxy = dbus_g_proxy_new_for_name (connection,
					      GSM_SERVICE_DBUS,
					      GSM_PATH_DBUS,
					      GSM_INTERFACE_DBUS);

        return sm_proxy;
}

static gboolean
do_logout (GError **err)
{
        DBusGProxy *sm_proxy;
        GError     *error;
        gboolean    res;

        sm_proxy = get_sm_proxy ();
        if (sm_proxy == NULL)
		return FALSE;

        res = dbus_g_proxy_call (sm_proxy,
                                 "Logout",
                                 &error,
                                 G_TYPE_UINT, 0,   /* '0' means 'log out normally' */
                                 G_TYPE_INVALID,
                                 G_TYPE_INVALID);

        if (sm_proxy)
                g_object_unref (sm_proxy);

	return res;
}

static void
cb_dialog_response (GtkDialog *dialog, gint response_id)
{
	if (response_id == GTK_RESPONSE_HELP)
		capplet_help (GTK_WINDOW (dialog),
			      "goscustaccess-11");
	else if (response_id == GTK_RESPONSE_CLOSE || response_id == GTK_RESPONSE_DELETE_EVENT)
		gtk_main_quit ();
	else {
	        g_message ("CLOSE AND LOGOUT!");

		if (!do_logout (NULL))
			gtk_main_quit ();
	}
}

static void
close_logout_update (GtkBuilder *builder)
{
	GSettings *settings = g_settings_new (ACCESSIBILITY_SCHEMA);
	gboolean curr_state = g_settings_get_boolean (settings, ACCESSIBILITY_KEY);
	GObject *btn = gtk_builder_get_object (builder,
					       "at_close_logout_button");

	gtk_widget_set_sensitive (GTK_WIDGET (btn), initial_state != curr_state);
	g_object_unref (settings);
}

static void
at_enable_toggled (GtkToggleButton *toggle_button,
		   GtkBuilder      *builder)
{
	GSettings *settings = g_settings_new (ACCESSIBILITY_SCHEMA);
	gboolean is_enabled = gtk_toggle_button_get_active (toggle_button);

	g_settings_set_boolean (settings, ACCESSIBILITY_KEY, is_enabled);
	g_object_unref (settings);
}

static void
at_enable_update (GSettings *settings,
		  GtkBuilder  *builder)
{
	gboolean is_enabled = g_settings_get_boolean (settings, ACCESSIBILITY_KEY);
	GObject *btn = gtk_builder_get_object (builder, "at_enable_toggle");

	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (btn),
				      is_enabled);
}

static void
at_enable_changed (GSettings *settings,
		   gchar       *key,
		   gpointer     user_data)
{
	at_enable_update (settings, user_data);
	close_logout_update (user_data);
}

static void
setup_dialog (GtkBuilder *builder, GSettings *settings)
{
	GtkWidget *widget;
	GObject *object;

	object = gtk_builder_get_object (builder, "at_enable_toggle");
	g_signal_connect (object, "toggled",
			  G_CALLBACK (at_enable_toggled),
			  builder);

	initial_state = g_settings_get_boolean (settings, ACCESSIBILITY_KEY);

	at_enable_update (settings, builder);

	g_signal_connect (settings, "changed::" ACCESSIBILITY_KEY, G_CALLBACK (at_enable_changed),
				 builder);

	object = gtk_builder_get_object (builder, "at_pref_button");
	g_signal_connect (object, "clicked",
			  G_CALLBACK (cb_at_preferences), NULL);

	object = gtk_builder_get_object (builder, "keyboard_button");
	g_signal_connect (object, "clicked",
			  G_CALLBACK (cb_keyboard_preferences), NULL);

	object = gtk_builder_get_object (builder, "mouse_button");
	g_signal_connect (object, "clicked",
			  G_CALLBACK (cb_mouse_preferences), NULL);

	object = gtk_builder_get_object (builder, "login_button");
	g_signal_connect (object, "clicked",
			  G_CALLBACK (cb_login_preferences), NULL);

	widget = GTK_WIDGET (gtk_builder_get_object (builder,
						     "at_properties_dialog"));
	capplet_set_icon (widget, "preferences-desktop-accessibility");

	g_signal_connect (G_OBJECT (widget),
			  "response",
			  G_CALLBACK (cb_dialog_response), NULL);

	gtk_widget_show (widget);
}

int
main (int argc, char *argv[])
{
	GSettings  *settings;
	GtkBuilder *builder;

	capplet_init (NULL, &argc, &argv);

	activate_settings_daemon ();

	settings = g_settings_new (ACCESSIBILITY_SCHEMA);
	builder = create_builder ();

	if (builder) {

		setup_dialog (builder, settings);

		gtk_main ();

		g_object_unref (builder);
		g_object_unref (settings);
	}

	return 0;
}