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-rw-r--r--libindicator/indicator-object.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/libindicator/indicator-object.c b/libindicator/indicator-object.c
index 38847dd..e80c1d5 100644
--- a/libindicator/indicator-object.c
+++ b/libindicator/indicator-object.c
@@ -6,6 +6,14 @@
#include "indicator.h"
#include "indicator-object.h"
+/**
+ IndicatorObjectPrivate:
+ @label: The label representing this indicator or #NULL if none.
+ @icon: The icon representing this indicator or #NULL if none.
+ @menu: The menu representing this indicator or #NULL if none.
+
+ Private data for the object.
+*/
typedef struct _IndicatorObjectPrivate IndicatorObjectPrivate;
struct _IndicatorObjectPrivate {
GtkLabel * label;
@@ -23,6 +31,8 @@ static void indicator_object_finalize (GObject *object);
G_DEFINE_TYPE (IndicatorObject, indicator_object, G_TYPE_OBJECT);
+/* Setup the class and put the functions into the
+ class structure */
static void
indicator_object_class_init (IndicatorObjectClass *klass)
{
@@ -36,6 +46,7 @@ indicator_object_class_init (IndicatorObjectClass *klass)
return;
}
+/* Inititalize an instance */
static void
indicator_object_init (IndicatorObject *self)
{
@@ -48,6 +59,7 @@ indicator_object_init (IndicatorObject *self)
return;
}
+/* Unref the objects that we're holding on to. */
static void
indicator_object_dispose (GObject *object)
{
@@ -72,6 +84,7 @@ indicator_object_dispose (GObject *object)
return;
}
+/* Free memory */
static void
indicator_object_finalize (GObject *object)
{
@@ -80,9 +93,22 @@ indicator_object_finalize (GObject *object)
return;
}
+/**
+ indicator_object_new_from_file:
+ @file: Filename containing a loadable module
+
+ This function builds an #IndicatorObject using the symbols
+ that are found in @file. The module is loaded and the
+ references are all kept by the object. To unload the
+ module the object must be destroyed.
+
+ Return value: A valid #IndicatorObject or #NULL if error.
+*/
IndicatorObject *
indicator_object_new_from_file (const gchar * file)
{
+ /* Check to make sure the name exists and that the
+ file itself exists */
if (file == NULL) {
g_warning("Invalid filename.");
return NULL;
@@ -93,6 +119,8 @@ indicator_object_new_from_file (const gchar * file)
return NULL;
}
+ /* Grab the g_module reference, pull it in but let's
+ keep the symbols local to avoid conflicts. */
GModule * module = g_module_open(file,
G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL);
if(module == NULL) {
@@ -100,17 +128,23 @@ indicator_object_new_from_file (const gchar * file)
return NULL;
}
+ /* Look for the version function, error if not found. */
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;
}
+ /* Check the version with the macro and make sure we're
+ all talking the same language. */
if (!INDICATOR_VERSION_CHECK(lget_version())) {
g_warning("Indicator using API version '%s' we're expecting '%s'", lget_version(), INDICATOR_VERSION);
return NULL;
}
+ /* A this point we allocate the object, any code beyond
+ here needs to deallocate it if we're returning in an
+ error'd state. */
GObject * object = g_object_new(INDICATOR_OBJECT_TYPE, NULL);
IndicatorObjectPrivate * priv = INDICATOR_OBJECT_GET_PRIVATE(object);
@@ -171,11 +205,23 @@ indicator_object_new_from_file (const gchar * file)
return INDICATOR_OBJECT(object);
+ /* Error, let's drop the object and return NULL. Sad when
+ this happens. */
unrefandout:
g_object_unref(object);
return NULL;
}
+/**
+ indicator_object_get_label:
+ @io: An #IndicatorObject.
+
+ A function to get the label for a particular object. This
+ function does not increase the refcount. That's your job
+ if you want to do it.
+
+ Return value: A #GtkLabel or #NULL if unavailable.
+*/
GtkLabel *
indicator_object_get_label (IndicatorObject * io)
{
@@ -184,6 +230,16 @@ indicator_object_get_label (IndicatorObject * io)
return priv->label;
}
+/**
+ indicator_object_get_icon:
+ @io: An #IndicatorObject.
+
+ A function to get the icon for a particular object. This
+ function does not increase the refcount. That's your job
+ if you want to do it.
+
+ Return value: A #GtkImage or #NULL if unavailable.
+*/
GtkImage *
indicator_object_get_icon (IndicatorObject * io)
{
@@ -192,6 +248,16 @@ indicator_object_get_icon (IndicatorObject * io)
return priv->icon;
}
+/**
+ indicator_object_get_menu:
+ @io: An #IndicatorObject.
+
+ A function to get the menu for a particular object. This
+ function does not increase the refcount. That's your job
+ if you want to do it.
+
+ Return value: A #GtkMenu or #NULL if unavailable.
+*/
GtkMenu *
indicator_object_get_menu (IndicatorObject * io)
{