2 * $Id: rb_evas_object_events.c 281 2005-03-14 20:51:40Z tilman $
4 * Copyright (C) 2005 Tilman Sauerbeck (tilman at code-monkey de)
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "rb_evas_main.h"
28 #include "rb_evas_object.h"
30 #define CALLBACK_HANDLER_FUNC(name) \
31 static void on_##name (void *data, Evas *evas, \
32 Evas_Object *evas_obj, void *event) \
34 RbEvasObject *e = (RbEvasObject *) data; \
35 VALUE argv[1] = {(VALUE) event}, klass, cb, ev, s; \
37 s = rb_str_new2 (#name); \
38 klass = rb_hash_aref (event_classes, s); \
39 ev = rb_class_new_instance(1, argv, klass); \
40 cb = rb_hash_aref (e->callbacks, s); \
42 rb_funcall (cb, rb_intern ("call"), 1, ev); \
45 #define CALLBACK_HANDLER_METHOD(name, callback) \
46 GET_OBJ (self, RbEvasObject, e); \
48 if (!rb_block_given_p ()) \
51 rb_hash_aset (e->callbacks, rb_str_new2 (#name), \
53 evas_object_event_callback_add (e->real, EVAS_CALLBACK_##callback, \
58 #define CALLBACK_REGISTER(name, clsname) \
59 rb_define_method (cEvasObject, "on_"#name, c_on_##name, 0); \
61 c = rb_define_class_under (mEvas, (clsname), rb_cObject); \
62 rb_define_private_method (rb_singleton_class (c), "new", NULL, 0); \
63 rb_define_private_method (c, "initialize", c_ev_##name##_init, 1); \
64 rb_hash_aset (event_classes, rb_str_new2 (#name), c);
66 static VALUE event_classes;
68 static VALUE c_ev_mouse_down_init (VALUE self, VALUE ev)
70 Evas_Event_Mouse_Down *e = (Evas_Event_Mouse_Down *) ev;
72 rb_iv_set (self, "@button", INT2FIX (e->button));
77 static VALUE c_ev_mouse_up_init (VALUE self, VALUE ev)
79 Evas_Event_Mouse_Up *e = (Evas_Event_Mouse_Up *) ev;
81 rb_iv_set (self, "@button", INT2FIX (e->button));
86 static VALUE c_ev_mouse_move_init (VALUE self, VALUE ev)
88 Evas_Event_Mouse_Move *e = (Evas_Event_Mouse_Move *) ev;
90 rb_iv_set (self, "@buttons", INT2FIX (e->buttons));
95 CALLBACK_HANDLER_FUNC (mouse_down);
96 CALLBACK_HANDLER_FUNC (mouse_up);
97 CALLBACK_HANDLER_FUNC (mouse_move);
99 static VALUE c_on_mouse_down (VALUE self)
101 CALLBACK_HANDLER_METHOD (mouse_down, MOUSE_DOWN);
104 static VALUE c_on_mouse_up (VALUE self)
106 CALLBACK_HANDLER_METHOD (mouse_up, MOUSE_UP);
109 static VALUE c_on_mouse_move (VALUE self)
111 CALLBACK_HANDLER_METHOD (mouse_move, MOUSE_MOVE);
114 void Init_EvasObjectEvents (void)
118 event_classes = rb_hash_new ();
119 rb_global_variable (&event_classes);
121 CALLBACK_REGISTER (mouse_down, "MouseDownEvent");
122 rb_define_attr (c, "button", 1, 0);
124 CALLBACK_REGISTER (mouse_up, "MouseUpEvent");
125 rb_define_attr (c, "button", 1, 0);
127 CALLBACK_REGISTER (mouse_move, "MouseMoveEvent");
128 rb_define_attr (c, "buttons", 1, 0);