elk/lib/gobject/closure.c

61 lines
2.1 KiB
C

/* closure.c
*
* $Id$
*
* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
* Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
*
* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
* between TELES and Nixdorf Microprocessor Engineering, Berlin).
*
* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
* owners or individual owners of copyright in this software, grant to any
* person or company a worldwide, royalty free, license to
*
* i) copy this software,
* ii) prepare derivative works based on this software,
* iii) distribute copies of this software or derivative works,
* iv) perform this software, or
* v) display this software,
*
* provided that this notice is not removed and that neither Oliver Laumann
* nor Teles nor Nixdorf are deemed to have made any representations as to
* the suitability of this software for any purpose nor are held responsible
* for any defects of this software.
*
* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*/
#include "gobject.h"
typedef struct _ElkClosure ElkClosure;
struct _ElkClosure {
GClosure closure;
Object callback;
};
static void elk_closure_finalize (gpointer notify_data, GClosure *closure)
{
}
static void elk_closure_marshal (GClosure *closure, GValue *return_value,
guint n_param_values,
const GValue *param_values,
gpointer invocation_hint,
gpointer marshal_data) {
Funcall (((ElkClosure *)closure)->callback, Null, 0);
if (return_value)
g_value_init (return_value, G_TYPE_NONE);
}
GClosure *elk_closure_new (Object callback) {
GClosure *closure = g_closure_new_simple (sizeof (ElkClosure), NULL);
((ElkClosure *)closure)->callback = callback;
g_closure_add_finalize_notifier (closure, NULL, elk_closure_finalize);
g_closure_set_marshal (closure, elk_closure_marshal);
return closure;
}