1 ;; Common Lisp bindings for GTK+ v2.0
2 ;; Copyright 2005 Espen S. Johnsen <espen@users.sf.net>
4 ;; Permission is hereby granted, free of charge, to any person obtaining
5 ;; a copy of this software and associated documentation files (the
6 ;; "Software"), to deal in the Software without restriction, including
7 ;; without limitation the rights to use, copy, modify, merge, publish,
8 ;; distribute, sublicense, and/or sell copies of the Software, and to
9 ;; permit persons to whom the Software is furnished to do so, subject to
10 ;; the following conditions:
12 ;; The above copyright notice and this permission notice shall be
13 ;; included in all copies or substantial portions of the Software.
15 ;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 ;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 ;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 ;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 ;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 ;; $Id: gerror.lisp,v 1.5 2006-02-26 15:30:01 espen Exp $
28 (defclass gerror (struct)
29 ((domain :allocation :alien :type quark :reader gerror-domain)
30 (code :allocation :alien :type int :reader gerror-code)
31 (message :allocation :alien :type string :reader gerror-message))
32 (:metaclass struct-class))
34 (defbinding (%gerror-copy "g_error_copy") () pointer
37 (defbinding (%gerror-free "g_error_free") () nil
40 (defmethod reference-foreign ((class (eql (find-class 'gerror))) location)
41 (declare (ignore class))
42 (%gerror-copy location))
44 (defmethod unreference-foreign ((class (eql (find-class 'gerror))) location)
45 (declare (ignore class))
46 (%gerror-free location))
49 (define-condition glib-error (error)
50 ((code :initarg :domain :reader gerror-code)
51 (message :initarg :message :reader gerror-message))
52 (:report (lambda (condition stream)
53 (write-string (gerror-message condition) stream))))
55 (define-condition glib-file-error (glib-error)
58 (defbinding file-error-quark () quark)
60 (defun signal-gerror (gerror)
63 ((= (gerror-domain gerror) (file-error-quark)) 'glib-file-error)
65 (error condition :code (gerror-code gerror) :message (gerror-message gerror))))
68 (deftype gerror-signal () 'gerror)
70 (define-type-method from-alien-form ((type gerror-signal) gerror)
71 (declare (ignore type))
72 `(let ((gerror ,(from-alien-form 'gerror gerror)))
74 (signal-gerror gerror))))
79 (eval-when (:compile-toplevel :load-toplevel :execute)
80 (deftype log-levels ()
82 :recursion :fatal ;; These are not real log-levels, but flags
91 (define-condition log-level (warning)
92 ((domain :initarg :domain :reader log-domain)
93 (message :initarg :message :reader log-message))
94 (:report (lambda (condition stream)
95 (format stream "~A: ~A"
96 (log-domain condition) (log-message condition)))))
98 (define-condition unknown-log-level (log-level)
101 (define-condition error-log-level (log-level)
104 (define-condition critical-log-level (log-level)
107 (define-condition warning-log-level (log-level)
110 (define-condition info-log-level (log-level)
113 (define-condition debug-log-level (log-level)
116 (defparameter *fatal-log-levels* '(error-log-level critical-log-level))
118 (define-callback log-handler nil
119 ((domain string) (log-level log-levels) (message string))
121 (find :fatal log-level)
123 #'(lambda (level) (find level *fatal-log-levels*))
127 #'(lambda (level) (subtypep level 'condition))
129 'unknown-log-level)))
130 (funcall (if fatal-p #'error #'warn) condition
131 :domain domain :message message)))
133 (setf (extern-alien "log_handler" system-area-pointer)
134 (callback-address log-handler))
139 ;; Unfortunately this will only work as long as we don't abort to
140 ;; toplevel from within the log handler. If we do that, the next
141 ;; invocation of g_log will be handled as a recursion and cause an
142 ;; abort (SIGABORT being signaled). To make things even worse, SBCL
143 ;; doesn't handle SIGABRT at all.
144 (defbinding %log-set-default-handler () pointer
145 ((progn log-handler) callback)
147 (%log-set-default-handler))