1 ;; Common Lisp bindings for GTK+ v2.x
2 ;; Copyright 2001-2005 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: ginterface.lisp,v 1.19 2007-01-02 16:06:15 espen Exp $
29 ;;;; Superclass for interfaces
31 (defclass interface ()
35 ;;;; Metaclass for interfaces
37 (eval-when (:compile-toplevel :load-toplevel :execute)
38 (defclass interface-class (virtual-slots-class)
41 (defmethod direct-slot-definition-class ((class interface-class) &rest initargs)
42 (case (getf initargs :allocation)
43 (:property (find-class 'direct-property-slot-definition))
44 (:virtual (find-class 'direct-virtual-alien-slot-definition))
45 (t (call-next-method))))
47 (defmethod effective-slot-definition-class ((class interface-class) &rest initargs)
48 (case (getf initargs :allocation)
49 (:property (find-class 'effective-property-slot-definition))
50 (:virtual (find-class 'effective-virtual-alien-slot-definition))
51 (t (call-next-method))))
53 (defmethod compute-effective-slot-definition-initargs ((class interface-class) direct-slotds)
54 (if (eq (slot-definition-allocation (first direct-slotds)) :property)
56 (list :pname (signal-name-to-string
57 (most-specific-slot-value direct-slotds 'pname))
58 :readable (most-specific-slot-value direct-slotds 'readable)
59 :writable (most-specific-slot-value direct-slotds 'writable)
60 :construct-only (most-specific-slot-value direct-slotds 'construct))
65 (defmethod shared-initialize ((class interface-class) names &key name gtype)
66 (declare (ignore names))
67 (let* ((class-name (or name (class-name class)))
70 (find-type-number class-name)
71 (register-type class-name
72 (or (first gtype) (default-type-init-name class-name))))))
73 (type-default-interface-ref type-number))
77 (defmethod validate-superclass ((class interface-class) (super standard-class))
78 (subtypep (class-name super) 'interface))
81 (define-type-method alien-type ((type interface))
82 (declare (ignore type))
83 (alien-type 'gobject))
85 (define-type-method size-of ((type interface) &key inlined)
86 (assert-not-inlined type inlined)
89 (define-type-method from-alien-form ((type interface) location &key (ref :copy))
90 (declare (ignore type))
91 (from-alien-form 'gobject location :ref ref))
93 (define-type-method from-alien-function ((type interface) &key (ref :copy))
94 (declare (ignore type))
95 (from-alien-function 'gobject :ref ref))
97 (define-type-method to-alien-form ((type interface) instance &optional copy-p)
98 (declare (ignore type))
99 (to-alien-form 'gobject instance copy-p))
101 (define-type-method to-alien-function ((type interface) &optional copy-p)
102 (declare (ignore type))
103 (to-alien-function 'gobject copy-p))
105 (define-type-method reader-function ((type interface) &key ref inlined)
106 (assert-not-inlined type inlined)
107 (reader-function 'gobject :ref ref))
109 (define-type-method writer-function ((type interface) &key temp inlined)
110 (assert-not-inlined type inlined)
111 (writer-function 'gobject :temp temp))
113 (define-type-method destroy-function ((type interface) &key temp inlined)
114 (assert-not-inlined type inlined)
115 (destroy-function 'gobject :temp temp))
121 (defbinding type-default-interface-ref (type) pointer
122 ((find-type-number type t) type-number))
124 (defbinding type-default-interface-unref () nil
127 (defbinding type-default-interface-peek (type) pointer
128 ((find-type-number type t) type-number))
130 (defbinding %object-interface-list-properties () pointer
132 (n-properties unsigned-int :out))
134 (defun query-object-interface-properties (type &optional inherited-p)
135 (let* ((type-number (find-type-number type))
136 (iface (type-default-interface-ref type-number)))
138 (multiple-value-bind (array length)
139 (%object-interface-list-properties iface)
140 (unless (null-pointer-p array)
142 (%map-params array length type-number inherited-p)
143 (deallocate-memory array))))
144 (type-default-interface-unref iface))))
147 (defun expand-interface-type (type forward-p options &rest args)
148 (declare (ignore args))
149 (let ((class (type-from-number type))
150 (slots (getf options :slots)))
151 `(defclass ,class (,(supertype type))
153 (slot-definitions class (query-object-interface-properties type) slots))
154 (:metaclass interface-class)
155 (:gtype ,(register-type-as type)))))
157 (defun interface-dependencies (type options)
162 (mapcar #'param-value-type (query-object-interface-properties type))
164 for slot in (getf options :slots)
165 as type = (getf (rest slot) :type)
166 when (and type (symbolp type) (find-type-number type))
167 collect (find-type-number type))))))
170 (register-derivable-type 'interface "GInterface" 'expand-interface-type 'interface-dependencies)