From ba313b5cb6ebd3d8eae9c551fac8504651251bb9 Mon Sep 17 00:00:00 2001
From: Tilman Sauerbeck <tilman@code-monkey.de>
Date: Mon, 23 Aug 2004 15:21:41 +0000
Subject: [PATCH] Made the src argument of Edje#signal_emit optional.

---
 src/rb_edje.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/src/rb_edje.c b/src/rb_edje.c
index 50ba39b..4b76cce 100644
--- a/src/rb_edje.c
+++ b/src/rb_edje.c
@@ -1,5 +1,5 @@
 /*
- * $Id: rb_edje.c 66 2004-08-12 19:37:52Z tilman $
+ * $Id: rb_edje.c 96 2004-08-23 15:21:41Z tilman $
  *
  * Copyright (C) 2004 Tilman Sauerbeck (tilman at code-monkey de)
  *
@@ -285,21 +285,29 @@ static void on_signal (void *data, Evas_Object *o,
 
 /*
  * call-seq:
- *  edje.on_signal(signal, source) { |signal, source| block } => nil
+ *  edje.on_signal(signal [, source]) { |signal, source| block } => nil
  *
  * Registers a callback that will get called when <i>signal</i>
  * is emitted by <i>source</i>.
+ * If source is nil, "*" will be used instead.
  * The block is passed two strings, signal and source, which identify
  * the emission.
  */
-static VALUE c_on_signal (VALUE self, VALUE signal, VALUE src)
+static VALUE c_on_signal (int argc, VALUE *argv, VALUE self)
 {
-	VALUE cb;
+	VALUE signal, src, cb;
+	char *ssrc = "*";
 
 	GET_OBJ (self, RbEdje, e);
 
+	rb_scan_args (argc, argv, "11", &signal, &src);
+
 	Check_Type (signal, T_STRING);
-	Check_Type (src, T_STRING);
+
+	if (!NIL_P (src)) {
+		Check_Type (src, T_STRING);
+		ssrc = StringValuePtr (src);
+	}
 
 	if (!rb_block_given_p ())
 		return Qnil;
@@ -309,8 +317,7 @@ static VALUE c_on_signal (VALUE self, VALUE signal, VALUE src)
 
 	edje_object_signal_callback_add (e->real.real,
 	                                 StringValuePtr (signal),
-	                                 StringValuePtr (src), on_signal,
-	                                 (void *) cb);
+	                                 ssrc, on_signal, (void *) cb);
 
 	return Qnil;
 }
@@ -389,7 +396,7 @@ void Init_Edje (void)
 	rb_define_method (cEdje, "part", c_part_get, 1);
 	rb_define_method (cEdje, "on_text_changed", c_on_text_changed, 0);
 	rb_define_method (cEdje, "emit_signal", c_emit_signal, 2);
-	rb_define_method (cEdje, "on_signal", c_on_signal, 2);
+	rb_define_method (cEdje, "on_signal", c_on_signal, -1);
 	rb_define_method (cEdje, "play?", c_play_get, 0);
 	rb_define_method (cEdje, "play=", c_play_set, 1);
 	rb_define_method (cEdje, "animation?", c_animation_get, 0);
-- 
2.30.2