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1 | ;; Common Lisp bindings for GTK+ v2.0 |
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2 | ;; Copyright (C) 2000-2001 Espen S. Johnsen <esj@stud.cs.uit.no> |
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3 | ;; |
4 | ;; This library is free software; you can redistribute it and/or |
5 | ;; modify it under the terms of the GNU Lesser General Public |
6 | ;; License as published by the Free Software Foundation; either |
7 | ;; version 2 of the License, or (at your option) any later version. |
8 | ;; |
9 | ;; This library is distributed in the hope that it will be useful, |
10 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | ;; Lesser General Public License for more details. |
13 | ;; |
14 | ;; You should have received a copy of the GNU Lesser General Public |
15 | ;; License along with this library; if not, write to the Free Software |
16 | ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
17 | |
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18 | ;; $Id: gobject.lisp,v 1.13 2004/10/27 14:58:59 espen Exp $ |
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19 | |
20 | (in-package "GLIB") |
21 | |
22 | |
23 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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24 | (defclass gobject (ginstance) |
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25 | () |
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26 | (:metaclass ginstance-class) |
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27 | (:alien-name "GObject") |
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28 | (:copy %object-ref) |
29 | (:free %object-unref))) |
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30 | |
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31 | |
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32 | (defmethod initialize-instance ((object gobject) &rest initargs) |
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33 | (let ((slotds (class-slots (class-of object))) |
34 | (names (make-array 0 :adjustable t :fill-pointer t)) |
35 | (values (make-array 0 :adjustable t :fill-pointer t))) |
36 | |
37 | (loop |
38 | as tmp = initargs then (cddr tmp) while tmp |
39 | as key = (first tmp) |
40 | as value = (second tmp) |
41 | as slotd = (find-if |
42 | #'(lambda (slotd) |
43 | (member key (slot-definition-initargs slotd))) |
44 | slotds) |
45 | when (and (typep slotd 'effective-gobject-slot-definition) |
46 | (slot-value slotd 'construct)) |
47 | do (let ((type (find-type-number (slot-definition-type slotd)))) |
48 | (vector-push-extend (slot-definition-pname slotd) names) |
49 | (vector-push-extend (gvalue-new type value) values) |
50 | (remf initargs key))) |
51 | |
52 | (setf |
53 | (slot-value object 'location) |
54 | (if (zerop (length names)) |
55 | (%gobject-new (type-number-of object)) |
56 | (%gobject-newvv (type-number-of object) (length names) names values)))) |
57 | (apply #'call-next-method object initargs)) |
58 | |
59 | |
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60 | |
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61 | (defbinding (%gobject-new "g_object_new") () pointer |
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62 | (type type-number) |
63 | (nil null)) |
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64 | |
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65 | (defbinding (%gobject-newvv "g_object_newvv") () pointer |
66 | (type type-number) |
67 | (n-parameters unsigned-int) |
68 | (names (vector string)) |
69 | (values (vector gvalue))) |
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70 | |
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71 | |
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72 | (defbinding %object-ref (type location) pointer |
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73 | (location pointer)) |
74 | |
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75 | (defbinding %object-unref (type location) nil |
76 | (location pointer)) |
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77 | |
78 | (defun object-ref (object) |
79 | (%object-ref nil (proxy-location object))) |
80 | |
81 | (defun object-unref (object) |
82 | (%object-unref nil (proxy-location object))) |
83 | |
84 | |
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85 | |
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86 | ;;;; Property stuff |
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87 | |
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88 | (defbinding %object-set-property () nil |
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89 | (object gobject) |
90 | (name string) |
91 | (value gvalue)) |
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92 | |
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93 | (defbinding %object-get-property () nil |
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94 | (object gobject) |
95 | (name string) |
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96 | (value gvalue)) |
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97 | |
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98 | (defbinding %object-notify () nil |
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99 | (object gobject) |
100 | (name string)) |
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101 | |
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102 | (defbinding object-freeze-notify () nil |
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103 | (object gobject)) |
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104 | |
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105 | (defbinding object-thaw-notify () nil |
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106 | (object gobject)) |
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107 | |
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108 | (defbinding %object-set-qdata-full () nil |
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109 | (object gobject) |
110 | (id quark) |
111 | (data unsigned-long) |
112 | (destroy-marshal pointer)) |
113 | |
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114 | |
115 | ;;;; User data |
116 | |
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117 | (defun (setf object-data) (data object key &key (test #'eq)) |
118 | (%object-set-qdata-full |
119 | object (quark-from-object key :test test) |
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120 | (register-user-data data) *destroy-notify*) |
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121 | data) |
122 | |
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123 | (defbinding %object-get-qdata () unsigned-long |
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124 | (object gobject) |
125 | (id quark)) |
126 | |
127 | (defun object-data (object key &key (test #'eq)) |
128 | (find-user-data |
129 | (%object-get-qdata object (quark-from-object key :test test)))) |
130 | |
131 | |
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132 | |
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133 | ;;;; Metaclass used for subclasses of gobject |
134 | |
135 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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136 | (defclass gobject-class (ginstance-class) |
137 | ()) |
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138 | |
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139 | (defclass direct-gobject-slot-definition (direct-virtual-slot-definition) |
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140 | ((pname :reader slot-definition-pname :initarg :pname) |
141 | (readable :initform t :reader slot-readable-p :initarg :readable) |
142 | (writable :initform t :reader slot-writable-p :initarg :writable) |
143 | (construct :initform nil :initarg :construct))) |
144 | |
145 | (defclass effective-gobject-slot-definition (effective-virtual-slot-definition) |
146 | ((pname :reader slot-definition-pname :initarg :pname) |
147 | (readable :reader slot-readable-p :initarg :readable) |
148 | (writable :reader slot-writable-p :initarg :writable) |
149 | (construct :initarg :construct)))) |
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150 | |
151 | |
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152 | |
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153 | ; (defbinding object-class-install-param () nil |
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154 | ; (class pointer) |
155 | ; (id unsigned-int) |
156 | ; (parameter parameter)) |
157 | |
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158 | ; (defbinding object-class-find-param-spec () parameter |
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159 | ; (class pointer) |
160 | ; (name string)) |
161 | |
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162 | (defun signal-name-to-string (name) |
163 | (substitute #\_ #\- (string-downcase (string name)))) |
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164 | |
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165 | |
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166 | (defmethod direct-slot-definition-class ((class gobject-class) &rest initargs) |
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167 | (case (getf initargs :allocation) |
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168 | (:property (find-class 'direct-gobject-slot-definition)) |
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169 | (t (call-next-method)))) |
170 | |
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171 | (defmethod effective-slot-definition-class ((class gobject-class) &rest initargs) |
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172 | (case (getf initargs :allocation) |
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173 | (:property (find-class 'effective-gobject-slot-definition)) |
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174 | (t (call-next-method)))) |
175 | |
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176 | (defmethod compute-effective-slot-definition-initargs ((class gobject-class) direct-slotds) |
177 | (if (eq (most-specific-slot-value direct-slotds 'allocation) :property) |
178 | (nconc |
179 | (list :pname (signal-name-to-string |
180 | (most-specific-slot-value direct-slotds 'pname)) |
181 | :readable (most-specific-slot-value direct-slotds 'readable) |
182 | :writable (most-specific-slot-value direct-slotds 'writable) |
183 | :construct (most-specific-slot-value direct-slotds 'construct)) |
184 | (call-next-method)) |
185 | (call-next-method))) |
186 | |
187 | |
188 | (defmethod initialize-internal-slot-functions ((slotd effective-gobject-slot-definition)) |
189 | (let* ((type (slot-definition-type slotd)) |
190 | (pname (slot-definition-pname slotd)) |
191 | (type-number (find-type-number type))) |
192 | (unless (slot-boundp slotd 'reader-function) |
193 | (setf |
194 | (slot-value slotd 'reader-function) |
195 | (if (slot-readable-p slotd) |
196 | #'(lambda (object) |
197 | (with-gc-disabled |
198 | (let ((gvalue (gvalue-new type-number))) |
199 | (%object-get-property object pname gvalue) |
200 | (unwind-protect |
201 | (funcall |
202 | (intern-reader-function (type-from-number type-number)) gvalue +gvalue-value-offset+) ; temporary workaround for wrong topological sorting of types |
203 | (gvalue-free gvalue t))))) |
204 | #'(lambda (value object) |
205 | (error "Slot is not readable: ~A" (slot-definition-name slotd)))))) |
206 | |
207 | (unless (slot-boundp slotd 'writer-function) |
208 | (setf |
209 | (slot-value slotd 'writer-function) |
210 | (if (slot-writable-p slotd) |
211 | #'(lambda (value object) |
212 | (with-gc-disabled |
213 | (let ((gvalue (gvalue-new type-number))) |
214 | (funcall |
215 | (intern-writer-function (type-from-number type-number)) ; temporary |
216 | value gvalue +gvalue-value-offset+) |
217 | (%object-set-property object pname gvalue) |
218 | (funcall |
219 | (intern-destroy-function (type-from-number type-number)) ; temporary |
220 | gvalue +gvalue-value-offset+) |
221 | (gvalue-free gvalue nil) |
222 | value))) |
223 | #'(lambda (value object) |
224 | (error "Slot is not writable: ~A" (slot-definition-name slotd)))))) |
225 | |
226 | (unless (slot-boundp slotd 'boundp-function) |
227 | (setf |
228 | (slot-value slotd 'boundp-function) |
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229 | #'(lambda (object) |
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230 | (declare (ignore object)) |
231 | t)))) |
232 | (call-next-method)) |
233 | |
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234 | |
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235 | (defmethod validate-superclass ((class gobject-class) |
236 | (super pcl::standard-class)) |
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237 | ; (subtypep (class-name super) 'gobject) |
238 | t) |
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239 | |
240 | |
241 | |
242 | ;;;; |
243 | |
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244 | (defbinding %object-class-list-properties () pointer |
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245 | (class pointer) |
246 | (n-properties unsigned-int :out)) |
247 | |
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248 | (defun query-object-class-properties (type-number &optional |
249 | inherited-properties) |
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250 | (let ((class (type-class-ref type-number))) |
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251 | (multiple-value-bind (array length) |
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252 | (%object-class-list-properties class) |
253 | (unwind-protect |
254 | (let ((all-properties |
255 | (map-c-array 'list #'identity array 'param length))) |
256 | (if (not inherited-properties) |
257 | (delete-if |
258 | #'(lambda (param) |
259 | (not (eql type-number (param-owner-type param)))) |
260 | all-properties) |
261 | all-properties)) |
262 | (deallocate-memory array))))) |
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263 | |
264 | |
265 | (defun default-slot-name (name) |
266 | (intern (substitute #\- #\_ (string-upcase (string-upcase name))))) |
267 | |
268 | (defun default-slot-accessor (class-name slot-name type) |
269 | (intern |
270 | (format |
271 | nil "~A-~A~A" class-name slot-name |
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272 | (if (eq type 'boolean) "-P" "")))) |
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273 | |
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274 | (defun expand-gobject-type (type-number &optional options |
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275 | (metaclass 'gobject-class)) |
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276 | (let* ((supers (cons (supertype type-number) (implements type-number))) |
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277 | (class (type-from-number type-number)) |
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278 | (manual-slots (getf options :slots)) |
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279 | (expanded-slots |
280 | (mapcar |
281 | #'(lambda (param) |
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282 | (with-slots (name flags value-type documentation) param |
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283 | (let* ((slot-name (default-slot-name name)) |
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284 | ; (slot-type value-type) ;(type-from-number value-type t)) |
285 | (slot-type (or (type-from-number value-type) value-type)) |
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286 | (accessor |
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287 | (default-slot-accessor class slot-name slot-type)));(type-from-number slot-type)))) ; temporary workaround for wrong topological sorting of types |
288 | |
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289 | `(,slot-name |
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290 | :allocation :property |
291 | :pname ,name |
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292 | ,@(cond |
293 | ((and |
294 | (member :writable flags) |
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295 | (member :readable flags) |
296 | (not (member :construct-only flags))) |
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297 | (list :accessor accessor)) |
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298 | ((and (member :writable flags) |
299 | (not (member :construct-only flags))) |
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300 | (list :writer `(setf ,accessor))) |
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301 | ((member :readable flags) |
302 | (list :reader accessor))) |
303 | ,@(when (or |
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304 | (not (member :writable flags)) |
305 | (member :construct-only flags)) |
306 | (list :writable nil)) |
307 | ,@(when (not (member :readable flags)) |
308 | (list :readable nil)) |
309 | ,@(when (or |
310 | (member :construct flags) |
311 | (member :construct-only flags)) |
312 | (list :construct t)) |
313 | ,@(when (or |
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314 | (member :construct flags) |
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315 | (member :construct-only flags) |
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316 | (member :writable flags)) |
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317 | (list :initarg (intern (string slot-name) "KEYWORD"))) |
318 | :type ,slot-type |
319 | ,@(when documentation |
320 | (list :documentation documentation)))))) |
321 | (query-object-class-properties type-number)))) |
322 | |
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323 | (dolist (slot-def (reverse manual-slots)) |
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324 | (let ((name (car slot-def)) |
325 | (pname (getf (cdr slot-def) :pname))) |
326 | (setq |
327 | expanded-slots |
328 | (delete-if |
329 | #'(lambda (expanded-slot-def) |
330 | (or |
331 | (eq name (car expanded-slot-def)) |
332 | (and |
333 | pname |
334 | (string= pname (getf (cdr expanded-slot-def) :pname))))) |
335 | expanded-slots)) |
336 | |
337 | (unless (getf (cdr slot-def) :ignore) |
338 | (push slot-def expanded-slots)))) |
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339 | |
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340 | `(progn |
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341 | (defclass ,class ,supers |
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342 | ,expanded-slots |
343 | (:metaclass ,metaclass) |
344 | (:alien-name ,(find-type-name type-number)))))) |
345 | |
346 | |
347 | (register-derivable-type 'gobject "GObject" 'expand-gobject-type) |
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348 | |