Added Ecore::FdHandler. Moved DEF_CONST.

[ruby-ecore.git] / src / ecore / rb_fd_handler.c

diff --git a/src/ecore/rb_fd_handler.c b/src/ecore/rb_fd_handler.c
new file mode 100644 (file)
index 0000000..4d7e08c
--- /dev/null
+++ b/src/ecore/rb_fd_handler.c
@@ -0,0 +1,144 @@
+/*
+ * $Id: rb_fd_handler.c 109 2004-09-01 20:33:15Z tilman $
+ *
+ * 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
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <ruby.h>
+#include <stdbool.h>
+
+#include <Ecore.h>
+
+#include "rb_ecore.h"
+
+typedef struct {
+       Ecore_Fd_Handler *real;
+       VALUE callback;
+       bool deleted;
+} RbFdHandler;
+
+static int on_change (void *data, Ecore_Fd_Handler *unused)
+{
+       VALUE r;
+       RbFdHandler *fdh = data;
+
+       r = rb_funcall (fdh->callback, rb_intern ("call"), 0);
+
+       /* if the callback returns false, we return 0 and Ecore
+        * will remove the FD Handler
+        */
+       if (r == Qfalse)
+               fdh->deleted = true;
+
+       return (r != Qfalse);
+}
+
+static void c_mark (RbFdHandler *fdh)
+{
+       rb_gc_mark (fdh->callback);
+}
+
+static void c_free (RbFdHandler *fdh)
+{
+       if (fdh->real && !fdh->deleted)
+               ecore_main_fd_handler_del (fdh->real);
+
+       ecore_shutdown ();
+
+       free (fdh);
+}
+
+static VALUE c_new (VALUE klass, VALUE fd, VALUE flags)
+{
+       VALUE self;
+       RbFdHandler *fdh = NULL;
+
+       if (!rb_block_given_p ())
+               return Qnil;
+
+       Check_Type (fd, T_FIXNUM);
+       Check_Type (flags, T_FIXNUM);
+
+       self = Data_Make_Struct (klass, RbFdHandler, c_mark, c_free, fdh);
+
+       ecore_init ();
+
+       fdh->callback = rb_block_proc ();
+       fdh->real = ecore_main_fd_handler_add (FIX2INT (fd),
+                                              FIX2INT (flags), on_change,
+                                              fdh, NULL, NULL);
+
+       rb_obj_call_init (self, 0, NULL);
+
+       return self;
+}
+
+static VALUE c_delete (VALUE self)
+{
+       GET_OBJ (self, RbFdHandler, fdh);
+
+       ecore_main_fd_handler_del (fdh->real);
+       fdh->real = NULL;
+
+       return Qnil;
+}
+
+static VALUE c_fd_get (VALUE self)
+{
+       GET_OBJ (self, RbFdHandler, fdh);
+
+       return INT2FIX (ecore_main_fd_handler_fd_get (fdh->real));
+}
+
+static VALUE c_get_active (VALUE self, VALUE flags)
+{
+       int r;
+
+       GET_OBJ (self, RbFdHandler, fdh);
+
+       Check_Type (flags, T_FIXNUM);
+
+       r = ecore_main_fd_handler_active_get (fdh->real, FIX2INT (flags));
+
+       return INT2FIX (r);
+}
+
+static VALUE c_set_active (VALUE self, VALUE flags)
+{
+       GET_OBJ (self, RbFdHandler, fdh);
+
+       Check_Type (flags, T_FIXNUM);
+
+       ecore_main_fd_handler_active_set (fdh->real, FIX2INT (flags));
+
+       return Qnil;
+}
+
+void Init_FdHandler (void)
+{
+       VALUE c = rb_define_class_under (mEcore, "FdHandler", rb_cObject);
+
+       rb_define_singleton_method (c, "new", c_new, 2);
+       rb_define_method (c, "delete", c_delete, 0);
+       rb_define_method (c, "fd", c_fd_get, 0);
+       rb_define_method (c, "get_active", c_get_active, 1);
+       rb_define_method (c, "set_active", c_set_active, 1);
+
+       DEF_CONST (c, ECORE_FD_, READ);
+       DEF_CONST (c, ECORE_FD_, WRITE);
+       DEF_CONST (c, ECORE_FD_, ERROR);
+}