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
|
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "indicator.h"
#include "indicator-object.h"
typedef struct _IndicatorObjectPrivate IndicatorObjectPrivate;
struct _IndicatorObjectPrivate {
GtkLabel * label;
GtkImage * icon;
GtkMenu * menu;
};
#define INDICATOR_OBJECT_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE ((o), INDICATOR_OBJECT_TYPE, IndicatorObjectPrivate))
static void indicator_object_class_init (IndicatorObjectClass *klass);
static void indicator_object_init (IndicatorObject *self);
static void indicator_object_dispose (GObject *object);
static void indicator_object_finalize (GObject *object);
G_DEFINE_TYPE (IndicatorObject, indicator_object, G_TYPE_OBJECT);
static void
indicator_object_class_init (IndicatorObjectClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (klass, sizeof (IndicatorObjectPrivate));
object_class->dispose = indicator_object_dispose;
object_class->finalize = indicator_object_finalize;
return;
}
static void
indicator_object_init (IndicatorObject *self)
{
IndicatorObjectPrivate * priv = INDICATOR_OBJECT_GET_PRIVATE(self);
priv->label = NULL;
priv->icon = NULL;
priv->menu = NULL;
return;
}
static void
indicator_object_dispose (GObject *object)
{
IndicatorObjectPrivate * priv = INDICATOR_OBJECT_GET_PRIVATE(object);
if (priv->label != NULL) {
g_object_unref(priv->label);
priv->label = NULL;
}
if (priv->icon != NULL) {
g_object_unref(priv->icon);
priv->icon = NULL;
}
if (priv->menu != NULL) {
g_object_unref(priv->menu);
priv->menu = NULL;
}
G_OBJECT_CLASS (indicator_object_parent_class)->dispose (object);
return;
}
static void
indicator_object_finalize (GObject *object)
{
G_OBJECT_CLASS (indicator_object_parent_class)->finalize (object);
return;
}
IndicatorObject *
indicator_object_new_from_file (const gchar * file)
{
if (file == NULL) {
g_warning("Invalid filename.");
return NULL;
}
if (!g_file_test(file, G_FILE_TEST_EXISTS)) {
g_warning("File '%s' does not exist.", file);
return NULL;
}
GModule * module = g_module_open(file,
G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
if(module != NULL) {
g_warning("Unable to load module: %s", file);
return NULL;
}
get_version_t lget_version = NULL;
if (!g_module_symbol(module, INDICATOR_GET_VERSION_S, (gpointer *)(&lget_version))) {
g_warning("Unable to get the symbol for getting the version.");
return NULL;
}
if (!INDICATOR_VERSION_CHECK(lget_version())) {
g_warning("Indicator using API version '%s' we're expecting '%s'", lget_version(), INDICATOR_VERSION);
return NULL;
}
GObject * object = g_object_new(INDICATOR_OBJECT_TYPE, NULL);
IndicatorObjectPrivate * priv = INDICATOR_OBJECT_GET_PRIVATE(object);
/* The function for grabbing a label from the module
execute it, and make sure everything is a-okay */
get_label_t lget_label = NULL;
if (!g_module_symbol(module, INDICATOR_GET_LABEL_S, (gpointer *)(&lget_label))) {
g_warning("Unable to get '" INDICATOR_GET_LABEL_S "' symbol from module: %s", file);
goto unrefandout;
}
if (lget_label == NULL) {
g_warning("Symbol '" INDICATOR_GET_LABEL_S "' is (null) in module: %s", file);
goto unrefandout;
}
priv->label = lget_label();
/* The function for grabbing an icon from the module
execute it, and make sure everything is a-okay */
get_icon_t lget_icon = NULL;
if (!g_module_symbol(module, INDICATOR_GET_ICON_S, (gpointer *)(&lget_icon))) {
g_warning("Unable to get '" INDICATOR_GET_ICON_S "' symbol from module: %s", file);
goto unrefandout;
}
if (lget_icon == NULL) {
g_warning("Symbol '" INDICATOR_GET_ICON_S "' is (null) in module: %s", file);
goto unrefandout;
}
priv->icon = lget_icon();
/* The function for grabbing a menu from the module
execute it, and make sure everything is a-okay */
get_menu_t lget_menu = NULL;
if (!g_module_symbol(module, INDICATOR_GET_MENU_S, (gpointer *)(&lget_menu))) {
g_warning("Unable to get '" INDICATOR_GET_MENU_S "' symbol from module: %s", file);
goto unrefandout;
}
if (lget_menu == NULL) {
g_warning("Symbol '" INDICATOR_GET_MENU_S "' is (null) in module: %s", file);
goto unrefandout;
}
priv->menu = lget_menu();
if (priv->label == NULL && priv->icon == NULL) {
/* This is the case where there is nothing to display,
kinda odd that we'd have a module with nothing. */
g_warning("No label or icon. Odd.");
g_object_unref(object);
return NULL;
}
return INDICATOR_OBJECT(object);
unrefandout:
g_object_unref(object);
return NULL;
}
|