diff options
Diffstat (limited to 'libindicator/indicator-object.c')
| -rw-r--r-- | libindicator/indicator-object.c | 66 |
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) { |