* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/**
+ * SECTION:gis-callback
+ * @short_description: Custom callback objects
+ *
+ * #GisCallback objects are used for custom drawing functions. A common example
+ * of this would be to render something which does not easily fit into a normal
+ * object. For instance, a Heads-Up-Display overlay.
+ */
+
#include <config.h>
#include "gis-callback.h"
/* GisCallback */
G_DEFINE_TYPE(GisCallback, gis_callback, GIS_TYPE_OBJECT);
-static void gis_callback_init(GisCallback *self) { }
-static void gis_callback_class_init(GisCallbackClass *klass) { }
+static void gis_callback_init(GisCallback *cb)
+{
+}
+static void gis_callback_class_init(GisCallbackClass *klass)
+{
+}
+
+/**
+ * gis_callback_new:
+ * @callback: the function to call to draw the object
+ * @user_data: user data to pass to the drawing function
+ *
+ * Create a #GisCallback object with an associated function and user data.
+ *
+ * Returns: the new #GisCallback
+ */
GisCallback *gis_callback_new(GisCallbackFunc callback, gpointer user_data)
{
- GisCallback *self = g_object_new(GIS_TYPE_CALLBACK, NULL);
- self->callback = callback;
- self->user_data = user_data;
- return self;
+ GisCallback *cb = g_object_new(GIS_TYPE_CALLBACK, NULL);
+ cb->callback = callback;
+ cb->user_data = user_data;
+ return cb;
}