/*
- * $Id$
+ * $Id: rb_idler.c 351 2006-02-10 15:25:40Z tilman $
*
- * Copyright (C) 2004 Tilman Sauerbeck (tilman at code-monkey de)
+ * Copyright (C) 2004 ruby-ecore team (see AUTHORS)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
*/
#include <ruby.h>
+#include <stdbool.h>
#include <Ecore.h>
-#include <stdbool.h>
#include "rb_ecore.h"
typedef struct {
- Ecore_Idler *idler;
- void *cb;
+ Ecore_Idler *real;
+ VALUE callback;
bool deleted;
-} RbEcoreIdler;
-
-VALUE cIdler;
+} RbIdler;
static int on_idler (void *data)
{
VALUE r;
- RbEcoreIdler *idler = data;
+ RbIdler *idler = data;
- r = rb_funcall ((VALUE) idler->cb, rb_intern ("call"), 0);
+ r = rb_funcall (idler->callback, rb_intern ("call"), 0);
/* if the callback returns false, we return 0 and Ecore
* will remove the idler
return (r != Qfalse);
}
-static VALUE c_init (VALUE self)
+static void c_mark (RbIdler *idler)
{
- RbEcoreIdler *idler = NULL;
+ rb_gc_mark (idler->callback);
+}
- Data_Get_Struct (self, RbEcoreIdler, idler);
+static void c_free (RbIdler *idler)
+{
+ if (idler->real && !idler->deleted)
+ ecore_idler_del (idler->real);
- idler->cb = (void *) rb_block_proc ();
- idler->idler = ecore_idler_add (on_idler, idler);
+ ecore_shutdown ();
- return self;
+ free (idler);
}
-static void c_free (RbEcoreIdler *idler)
+static VALUE c_alloc (VALUE klass)
{
- if (idler->idler && !idler->deleted)
- ecore_idler_del (idler->idler);
+ RbIdler *idler;
- free (idler);
+ ecore_init ();
+
+ return Data_Make_Struct (klass, RbIdler, c_mark, c_free, idler);
}
-static VALUE c_new (VALUE klass)
+/*
+ * call-seq:
+ * Ecore::Idler.new { block } => idler
+ *
+ * Creates an Ecore::Idler object.
+ * When Ecore is idle, the specified block will be called.
+ * If the block returns false, the idler is deleted.
+ */
+static VALUE c_init (VALUE self)
{
- VALUE self;
- RbEcoreIdler *idler;
+ GET_OBJ (self, RbIdler, idler);
- self = Data_Make_Struct (klass, RbEcoreIdler, NULL, c_free, idler);
+ if (!rb_block_given_p ())
+ rb_raise (rb_eStandardError, "block missing");
- rb_obj_call_init (self, 0, NULL);
+ idler->callback = rb_block_proc ();
+ idler->deleted = false;
+ idler->real = ecore_idler_add (on_idler, idler);
return self;
}
+/*
+ * call-seq:
+ * idler.delete => nil
+ *
+ * Deletes <i>idler</i>.
+ */
static VALUE c_delete (VALUE self)
{
- RbEcoreIdler *idler = NULL;
+ GET_OBJ (self, RbIdler, idler);
- Data_Get_Struct (self, RbEcoreIdler, idler);
-
- if (idler->idler && !idler->deleted) {
- ecore_idler_del (idler->idler);
- idler->idler = NULL;
+ if (idler->real && !idler->deleted) {
+ ecore_idler_del (idler->real);
+ idler->real = NULL;
idler->deleted = true;
} else
rb_raise (rb_eException, "Idler already deleted!");
void Init_Idler (void)
{
- cIdler = rb_define_class_under (mEcore, "Idler", rb_cObject);
+ VALUE c = rb_define_class_under (mEcore, "Idler", rb_cObject);
- rb_define_singleton_method (cIdler, "new", c_new, 1);
- rb_define_method (cIdler, "initialize", c_init, 1);
- rb_define_method (cIdler, "delete", c_delete, 0);
+ rb_define_alloc_func (c, c_alloc);
+ rb_define_method (c, "initialize", c_init, 0);
+ rb_define_method (c, "delete", c_delete, 0);
}
-