65f5a6e1 |
1 | ;; Common Lisp bindings for GTK+ v2.0 |
112ac1d3 |
2 | ;; Copyright 2005 Espen S. Johnsen <espen@users.sf.net> |
65f5a6e1 |
3 | ;; |
112ac1d3 |
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: |
65f5a6e1 |
11 | ;; |
112ac1d3 |
12 | ;; The above copyright notice and this permission notice shall be |
13 | ;; included in all copies or substantial portions of the Software. |
65f5a6e1 |
14 | ;; |
112ac1d3 |
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. |
65f5a6e1 |
22 | |
112ac1d3 |
23 | ;; $Id: gerror.lisp,v 1.2 2005-04-23 16:48:50 espen Exp $ |
65f5a6e1 |
24 | |
25 | |
26 | (in-package "GLIB") |
27 | |
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)) |
33 | |
34 | (defbinding (%gerror-copy "g_error_copy") () pointer |
35 | (location pointer)) |
36 | |
37 | (defbinding (%gerror-free "g_error_free") () nil |
38 | (location pointer)) |
39 | |
40 | (defmethod reference-foreign ((class (eql (find-class 'gerror))) location) |
41 | (declare (ignore class)) |
42 | (%gerror-copy location)) |
43 | |
44 | (defmethod unreference-foreign ((class (eql (find-class 'gerror))) location) |
45 | (declare (ignore class)) |
46 | (%gerror-free location)) |
47 | |
48 | |
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)))) |
54 | |
55 | (define-condition glib-file-error (glib-error) |
56 | ()) |
57 | |
58 | (defbinding file-error-quark () quark) |
59 | |
60 | (defun signal-gerror (gerror) |
61 | (let ((condition |
62 | (cond |
63 | ((= (gerror-domain gerror) (file-error-quark)) 'glib-file-error) |
64 | (t 'glib-error)))) |
65 | (error condition :code (gerror-code gerror) :message (gerror-message gerror)))) |
66 | |
67 | |
68 | ;;; Message logging |
69 | |
70 | (eval-when (:compile-toplevel :load-toplevel :execute) |
71 | (deftype log-levels () |
72 | '(flags |
73 | :recursion :fatal ;; These are not real log-levels, but flags |
74 | ;; which may be set |
75 | error-log-level |
76 | critical-log-level |
77 | warning-log-level |
78 | message-log-level |
79 | info-log-level |
80 | debug-log-level))) |
81 | |
82 | (define-condition log-level (warning) |
83 | ((domain :initarg :domain :reader log-domain) |
84 | (message :initarg :message :reader log-message)) |
85 | (:report (lambda (condition stream) |
86 | (format stream "~A: ~A" |
87 | (log-domain condition) (log-message condition))))) |
88 | |
89 | (define-condition unknown-log-level (log-level) |
90 | ()) |
91 | |
92 | (define-condition error-log-level (log-level) |
93 | ()) |
94 | |
95 | (define-condition critical-log-level (log-level) |
96 | ()) |
97 | |
98 | (define-condition warning-log-level (log-level) |
99 | ()) |
100 | |
101 | (define-condition info-log-level (log-level) |
102 | ()) |
103 | |
104 | (define-condition debug-log-level (log-level) |
105 | ()) |
106 | |
107 | (defparameter *fatal-log-levels* '(error-log-level critical-log-level)) |
108 | |
109 | (defcallback log-handler (nil |
110 | (domain (copy-of string)) |
111 | (log-level log-levels) |
112 | (message (copy-of string))) |
113 | (let ((fatal-p (or |
114 | (find :fatal log-level) |
115 | (some |
116 | #'(lambda (level) (find level *fatal-log-levels*)) |
117 | log-level))) |
118 | (condition (or |
119 | (find-if |
120 | #'(lambda (level) (subtypep level 'condition)) |
121 | log-level) |
122 | 'unknown-log-level))) |
123 | (funcall (if fatal-p #'error #'warn) condition |
124 | :domain domain :message message))) |
125 | |
126 | (setf (extern-alien "log_handler" system-area-pointer) (callback log-handler)) |
127 | |
128 | |
129 | #+glib2.6 |
130 | (progn |
131 | ;; Unfortunately this will only work as long as we don't abort to |
132 | ;; toplevel from within the log handler. If we do that, the next |
133 | ;; invocation of g_log will be handled as a recursion and cause an |
134 | ;; abort (SIGABORT being signaled). To make things even worse, SBCL |
135 | ;; doesn't handle SIGABRT at all. |
136 | (defbinding %log-set-default-handler () pointer |
137 | ((callback log-handler) pointer) |
138 | (nil null)) |
139 | (%log-set-default-handler)) |