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
|
#include "cursor-settings.h"
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include "config.h"
#ifdef HAS_DBUS
#include <dbus/dbus.h>
static DBusMessage *
get_setting_sync(DBusConnection *const connection,
const char *key,
const char *value)
{
DBusError error;
dbus_bool_t success;
DBusMessage *message;
DBusMessage *reply;
dbus_error_init(&error);
message = dbus_message_new_method_call(
"org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
"org.freedesktop.portal.Settings",
"Read");
success = dbus_message_append_args(message,
DBUS_TYPE_STRING, &key,
DBUS_TYPE_STRING, &value,
DBUS_TYPE_INVALID);
if (!success)
return NULL;
reply = dbus_connection_send_with_reply_and_block(
connection,
message,
DBUS_TIMEOUT_USE_DEFAULT,
&error);
dbus_message_unref(message);
if (dbus_error_is_set(&error))
return NULL;
return reply;
}
static bool
parse_type(DBusMessage *const reply,
const int type,
void *value)
{
DBusMessageIter iter[3];
dbus_message_iter_init(reply, &iter[0]);
if (dbus_message_iter_get_arg_type(&iter[0]) != DBUS_TYPE_VARIANT)
return false;
dbus_message_iter_recurse(&iter[0], &iter[1]);
if (dbus_message_iter_get_arg_type(&iter[1]) != DBUS_TYPE_VARIANT)
return false;
dbus_message_iter_recurse(&iter[1], &iter[2]);
if (dbus_message_iter_get_arg_type(&iter[2]) != type)
return false;
dbus_message_iter_get_basic(&iter[2], value);
return true;
}
bool
libdecor_get_cursor_settings(char **theme, int *size)
{
static const char name[] = "org.gnome.desktop.interface";
static const char key_theme[] = "cursor-theme";
static const char key_size[] = "cursor-size";
DBusError error;
DBusConnection *connection;
DBusMessage *reply;
const char *value_theme = NULL;
dbus_error_init(&error);
connection = dbus_bus_get(DBUS_BUS_SESSION, &error);
if (dbus_error_is_set(&error))
return false;
reply = get_setting_sync(connection, name, key_theme);
if (!reply)
return false;
if (!parse_type(reply, DBUS_TYPE_STRING, &value_theme)) {
dbus_message_unref(reply);
return false;
}
*theme = strdup(value_theme);
dbus_message_unref(reply);
reply = get_setting_sync(connection, name, key_size);
if (!reply)
return false;
if (!parse_type(reply, DBUS_TYPE_INT32, size)) {
dbus_message_unref(reply);
return false;
}
dbus_message_unref(reply);
return true;
}
#else
bool
libdecor_get_cursor_settings(char **theme, int *size)
{
char *env_xtheme;
char *env_xsize;
env_xtheme = getenv("XCURSOR_THEME");
if (env_xtheme != NULL)
*theme = strdup(env_xtheme);
env_xsize = getenv("XCURSOR_SIZE");
if (env_xsize != NULL)
*size = atoi(env_xsize);
return env_xtheme != NULL && env_xsize != NULL;
}
#endif
|