2 * Copyright (C) 2004 ruby-ecore team (see AUTHORS)
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 Ecore_Idle_Enterer *real;
32 static int on_idle_enter (void *data)
35 RbIdleEnterer *idle_enterer = data;
37 r = rb_funcall (idle_enterer->callback, rb_intern ("call"), 0);
39 /* if the callback returns false, we return 0 and Ecore
40 * will remove the idle enterer
43 idle_enterer->deleted = true;
48 static void c_mark (RbIdleEnterer *idle_enterer)
50 rb_gc_mark (idle_enterer->callback);
53 static void c_free (RbIdleEnterer *idle_enterer)
55 if (idle_enterer->real && !idle_enterer->deleted)
56 ecore_idle_enterer_del (idle_enterer->real);
63 static VALUE c_alloc (VALUE klass)
65 RbIdleEnterer *idle_enterer;
69 return Data_Make_Struct (klass, RbIdleEnterer, c_mark, c_free,
75 * Ecore::IdleEnterer.new { block } => idle_enterer
77 * Creates an Ecore::IdleEnterer object.
78 * When Ecore enters the idle state, the specified block will be called.
79 * If the block returns false, the IdleEnterer is deleted.
81 static VALUE c_init (VALUE self)
83 GET_OBJ (self, RbIdleEnterer, idle_enterer);
85 if (!rb_block_given_p ())
86 rb_raise (rb_eStandardError, "block missing");
88 idle_enterer->callback = rb_block_proc ();
89 idle_enterer->deleted = false;
90 idle_enterer->real = ecore_idle_enterer_add (on_idle_enter,
98 * idle_enterer.delete => nil
100 * Deletes <i>idle_enterer</i>.
102 static VALUE c_delete (VALUE self)
104 GET_OBJ (self, RbIdleEnterer, idle_enterer);
106 if (idle_enterer->real && !idle_enterer->deleted) {
107 ecore_idle_enterer_del (idle_enterer->real);
108 idle_enterer->real = NULL;
109 idle_enterer->deleted = true;
111 rb_raise (rb_eException, "IdleEnterer already deleted!");
116 void Init_IdleEnterer (void)
118 VALUE c = rb_define_class_under (mEcore, "IdleEnterer", rb_cObject);
120 rb_define_alloc_func (c, c_alloc);
121 rb_define_method (c, "initialize", c_init, 0);
122 rb_define_method (c, "delete", c_delete, 0);