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112ac1d3 | 1 | ;; Common Lisp bindings for GTK+ v2.x |
74821f75 | 2 | ;; Copyright 2000-2006 Espen S. Johnsen <espen@users.sf.net> |
560af5c5 | 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: | |
560af5c5 | 11 | ;; |
112ac1d3 | 12 | ;; The above copyright notice and this permission notice shall be |
13 | ;; included in all copies or substantial portions of the Software. | |
560af5c5 | 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. | |
560af5c5 | 22 | |
be71e3c8 | 23 | ;; $Id: gobject.lisp,v 1.59 2008-11-04 03:22:23 espen Exp $ |
560af5c5 | 24 | |
25 | (in-package "GLIB") | |
26 | ||
27 | ||
2176a9c7 | 28 | ;;;; Metaclass used for subclasses of gobject |
29 | ||
30 | (eval-when (:compile-toplevel :load-toplevel :execute) | |
a6e339e1 | 31 | ;; (push :debug-ref-counting *features*) |
2176a9c7 | 32 | (defclass gobject-class (ginstance-class) |
74821f75 | 33 | ((instance-slots-p :initform nil :reader instance-slots-p |
b036d261 | 34 | :documentation "Non NIL if the class has slots with instance allocation"))) |
2176a9c7 | 35 | |
73572c12 | 36 | (defmethod validate-superclass ((class gobject-class) (super standard-class)) |
2176a9c7 | 37 | ; (subtypep (class-name super) 'gobject) |
38 | t)) | |
39 | ||
44ad7044 | 40 | (defmethod slot-unbound (metaclass (class gobject-class) (slot (eql 'ref))) |
41 | (assert (class-direct-superclasses class)) | |
42 | (setf (slot-value class 'ref) | |
43 | #?-(pkg-exists-p "glib-2.0" :atleast-version "2.10.0") '%object-ref | |
44 | #?(pkg-exists-p "glib-2.0" :atleast-version "2.10.0") | |
45 | ;; We do this hack instead of creating a new metaclass to avoid | |
46 | ;; breaking backward compatibility | |
47 | (if (subtypep (class-name class) 'initially-unowned) | |
48 | '%object-ref-sink | |
49 | '%object-ref))) | |
50 | ||
51 | (defmethod slot-unbound (metaclass (class gobject-class) (slot (eql 'unref))) | |
52 | (setf (slot-value class 'unref) '%object-unref)) | |
53 | ||
54 | ||
2176a9c7 | 55 | (defclass direct-property-slot-definition (direct-virtual-slot-definition) |
56 | ((pname :reader slot-definition-pname :initarg :pname) | |
e624bc26 | 57 | (readable :reader slot-readable-p :initarg :readable) |
58 | (writable :reader slot-writable-p :initarg :writable) | |
59 | (construct-only :initarg :construct-only :reader construct-only-property-p))) | |
2176a9c7 | 60 | |
61 | (defclass effective-property-slot-definition (effective-virtual-slot-definition) | |
62 | ((pname :reader slot-definition-pname :initarg :pname) | |
74821f75 | 63 | (readable :initform t :reader slot-readable-p :initarg :readable) |
64 | (writable :initform t :reader slot-writable-p :initarg :writable) | |
65 | (construct-only :initform nil :initarg :construct-only :reader construct-only-property-p))) | |
174e8a5c | 66 | |
67 | (defclass direct-user-data-slot-definition (direct-virtual-slot-definition) | |
68 | ()) | |
69 | ||
70 | (defclass effective-user-data-slot-definition (effective-virtual-slot-definition) | |
71 | ()) | |
72 | ||
2176a9c7 | 73 | |
74 | (defbinding %object-ref () pointer | |
75 | (location pointer)) | |
76 | ||
77 | (defbinding %object-unref () nil | |
78 | (location pointer)) | |
79 | ||
74821f75 | 80 | #?(pkg-exists-p "glib-2.0" :atleast-version "2.8.0") |
008c81d9 | 81 | (progn |
56ccd5b7 | 82 | (define-callback toggle-ref-callback nil |
83 | ((data pointer) (location pointer) (last-ref-p boolean)) | |
75689fea | 84 | (declare (ignore data)) |
09f6e237 | 85 | #+debug-ref-counting |
86 | (if last-ref-p | |
74821f75 | 87 | (format t "Object at 0x~8,'0X has no foreign references~%" (pointer-address location)) |
88 | (format t "Foreign reference added to object at 0x~8,'0X~%" (pointer-address location))) | |
008c81d9 | 89 | (if last-ref-p |
90 | (cache-instance (find-cached-instance location) t) | |
91 | (cache-instance (find-cached-instance location) nil))) | |
92 | ||
f40eddb4 | 93 | (defbinding %object-add-toggle-ref (location) pointer |
008c81d9 | 94 | (location pointer) |
56ccd5b7 | 95 | (toggle-ref-callback callback) |
008c81d9 | 96 | (nil null)) |
97 | ||
f40eddb4 | 98 | (defbinding %object-remove-toggle-ref (location) pointer |
008c81d9 | 99 | (location pointer) |
56ccd5b7 | 100 | (toggle-ref-callback callback) |
008c81d9 | 101 | (nil null))) |
b036d261 | 102 | |
008c81d9 | 103 | #+debug-ref-counting |
104 | (progn | |
56ccd5b7 | 105 | (define-callback weak-ref-callback nil ((data pointer) (location pointer)) |
74821f75 | 106 | (format t "Object at 0x~8,'0X (~A) being finalized~%" (pointer-address location) (type-from-number (%type-number-of-ginstance location)))) |
008c81d9 | 107 | |
f40eddb4 | 108 | (defbinding %object-weak-ref (location) pointer |
008c81d9 | 109 | (location pointer) |
56ccd5b7 | 110 | (weak-ref-callback callback) |
008c81d9 | 111 | (nil null))) |
2176a9c7 | 112 | |
113 | ||
114 | ; (defbinding object-class-install-param () nil | |
115 | ; (class pointer) | |
116 | ; (id unsigned-int) | |
117 | ; (parameter parameter)) | |
118 | ||
119 | ; (defbinding object-class-find-param-spec () parameter | |
120 | ; (class pointer) | |
121 | ; (name string)) | |
122 | ||
123 | (defun signal-name-to-string (name) | |
124 | (substitute #\_ #\- (string-downcase (string name)))) | |
125 | ||
126 | ||
127 | (defmethod direct-slot-definition-class ((class gobject-class) &rest initargs) | |
128 | (case (getf initargs :allocation) | |
129 | (:property (find-class 'direct-property-slot-definition)) | |
174e8a5c | 130 | (:user-data (find-class 'direct-user-data-slot-definition)) |
2176a9c7 | 131 | (t (call-next-method)))) |
132 | ||
133 | (defmethod effective-slot-definition-class ((class gobject-class) &rest initargs) | |
134 | (case (getf initargs :allocation) | |
135 | (:property (find-class 'effective-property-slot-definition)) | |
174e8a5c | 136 | (:user-data (find-class 'effective-user-data-slot-definition)) |
2176a9c7 | 137 | (t (call-next-method)))) |
138 | ||
139 | (defmethod compute-effective-slot-definition-initargs ((class gobject-class) direct-slotds) | |
b19bbc94 | 140 | (if (eq (slot-definition-allocation (first direct-slotds)) :property) |
74821f75 | 141 | (nconc |
142 | (compute-most-specific-initargs direct-slotds | |
143 | '(pname construct-only readable writable)) | |
2176a9c7 | 144 | (call-next-method)) |
145 | (call-next-method))) | |
146 | ||
147 | ||
e624bc26 | 148 | (defvar *ignore-setting-construct-only-property* nil) |
149 | (declaim (special *ignore-setting-construct-only-property*)) | |
150 | ||
584285fb | 151 | (defmethod compute-slot-reader-function ((slotd effective-property-slot-definition) &optional signal-unbound-p) |
152 | (declare (ignore signal-unbound-p)) | |
2bd78f93 | 153 | (let* ((type (slot-definition-type slotd)) |
154 | (pname (slot-definition-pname slotd)) | |
be71e3c8 | 155 | (get-reader (reader-function type :ref :get)) |
156 | (peek-reader (reader-function type :ref :peek))) | |
2bd78f93 | 157 | #'(lambda (object) |
158 | (with-memory (gvalue +gvalue-size+) | |
159 | (%gvalue-init gvalue (find-type-number type)) | |
160 | (%object-get-property object pname gvalue) | |
be71e3c8 | 161 | (if (gvalue-static-p gvalue) |
162 | (funcall peek-reader gvalue +gvalue-value-offset+) | |
163 | (funcall get-reader gvalue +gvalue-value-offset+)))))) | |
2bd78f93 | 164 | |
165 | (defmethod compute-slot-writer-function :around ((slotd effective-property-slot-definition)) | |
166 | (if (construct-only-property-p slotd) | |
167 | #'(lambda (value object) | |
1d0b5a6c | 168 | (declare (ignore value)) |
2bd78f93 | 169 | (unless *ignore-setting-construct-only-property* |
170 | (error 'unwritable-slot :name (slot-definition-name slotd) :instance object))) | |
74821f75 | 171 | (call-next-method))) |
eeda1c2d | 172 | |
74821f75 | 173 | (defmethod compute-slot-writer-function ((slotd effective-property-slot-definition)) |
2bd78f93 | 174 | (let* ((type (slot-definition-type slotd)) |
175 | (pname (slot-definition-pname slotd)) | |
176 | (writer (writer-function type :temp t)) | |
177 | (destroy (destroy-function type :temp t))) | |
74821f75 | 178 | #'(lambda (value object) |
2bd78f93 | 179 | (with-memory (gvalue +gvalue-size+) |
180 | (%gvalue-init gvalue (find-type-number type)) | |
181 | (funcall writer value gvalue +gvalue-value-offset+) | |
182 | (%object-set-property object pname gvalue) | |
183 | (funcall destroy gvalue +gvalue-value-offset+)) | |
184 | value))) | |
185 | ||
186 | (defmethod slot-readable-p ((slotd effective-user-data-slot-definition)) | |
187 | (declare (ignore slotd)) | |
188 | t) | |
74821f75 | 189 | |
584285fb | 190 | (defmethod compute-slot-reader-function ((slotd effective-user-data-slot-definition) &optional signal-unbound-p) |
191 | (declare (ignore signal-unbound-p)) | |
74821f75 | 192 | (let ((slot-name (slot-definition-name slotd))) |
193 | #'(lambda (object) | |
194 | (user-data object slot-name)))) | |
2176a9c7 | 195 | |
74821f75 | 196 | (defmethod compute-slot-boundp-function ((slotd effective-user-data-slot-definition)) |
174e8a5c | 197 | (let ((slot-name (slot-definition-name slotd))) |
74821f75 | 198 | #'(lambda (object) |
199 | (user-data-p object slot-name)))) | |
200 | ||
2bd78f93 | 201 | (defmethod slot-writable-p ((slotd effective-user-data-slot-definition)) |
202 | (declare (ignore slotd)) | |
203 | t) | |
204 | ||
74821f75 | 205 | (defmethod compute-slot-writer-function ((slotd effective-user-data-slot-definition)) |
206 | (let ((slot-name (slot-definition-name slotd))) | |
207 | #'(lambda (value object) | |
208 | (setf (user-data object slot-name) value)))) | |
209 | ||
210 | (defmethod compute-slot-makunbound-function ((slotd effective-user-data-slot-definition)) | |
211 | (let ((slot-name (slot-definition-name slotd))) | |
212 | #'(lambda (object) | |
213 | (unset-user-data object slot-name)))) | |
214 | ||
215 | (defmethod compute-slots :around ((class gobject-class)) | |
216 | (let ((slots (call-next-method))) | |
217 | (when (some #'(lambda (slotd) | |
218 | (and | |
219 | (eq (slot-definition-allocation slotd) :instance) | |
220 | (not (typep slotd 'effective-special-slot-definition)))) | |
221 | slots) | |
222 | (setf (slot-value class 'instance-slots-p) t)) | |
223 | slots)) | |
b036d261 | 224 | |
225 | ||
2176a9c7 | 226 | ;;;; Super class for all classes in the GObject type hierarchy |
227 | ||
560af5c5 | 228 | (eval-when (:compile-toplevel :load-toplevel :execute) |
c8c48a4c | 229 | (defclass gobject (ginstance) |
a6e339e1 | 230 | (#+debug-ref-counting |
231 | (ref-count :allocation :alien :type int :reader ref-count)) | |
2176a9c7 | 232 | (:metaclass gobject-class) |
dfa4f314 | 233 | (:gtype "GObject"))) |
9adccb27 | 234 | |
a6e339e1 | 235 | #+debug-ref-counting |
236 | (defmethod print-object ((instance gobject) stream) | |
237 | (print-unreadable-object (instance stream :type t :identity nil) | |
c0e19882 | 238 | (if (proxy-valid-p instance) |
74821f75 | 239 | (format stream "at 0x~X (~D)" (pointer-address (foreign-location instance)) (ref-count instance)) |
a6e339e1 | 240 | (write-string "at \"unbound\"" stream)))) |
241 | ||
eeda1c2d | 242 | |
74821f75 | 243 | (define-type-method reader-function ((type gobject) &key (ref :read) inlined) |
244 | (assert-not-inlined type inlined) | |
245 | (ecase ref | |
246 | ((:read :peek) (call-next-method type :ref :read)) | |
247 | (:get | |
248 | #'(lambda (location &optional (offset 0)) | |
249 | (let ((instance (ref-pointer location offset))) | |
250 | (unless (null-pointer-p instance) | |
251 | (multiple-value-bind (gobject new-p) | |
252 | (ensure-proxy-instance 'gobject instance :reference nil) | |
253 | (unless new-p | |
254 | (%object-unref instance)) | |
255 | (setf (ref-pointer location offset) (make-pointer 0)) | |
256 | gobject))))))) | |
257 | ||
258 | (define-type-method callback-wrapper ((type gobject) var arg form) | |
259 | (let ((class (type-expand type))) | |
260 | `(let ((,var (ensure-proxy-instance ',class ,arg))) | |
261 | ,form))) | |
262 | ||
eeda1c2d | 263 | (defun initial-add (object function initargs key pkey) |
264 | (loop | |
265 | as (initarg value . rest) = initargs then rest | |
266 | do (cond | |
267 | ((eq initarg key) (funcall function object value)) | |
268 | ((eq initarg pkey) (mapc #'(lambda (value) | |
269 | (funcall function object value)) | |
270 | value))) | |
271 | while rest)) | |
272 | ||
273 | (defun initial-apply-add (object function initargs key pkey) | |
274 | (initial-add object #'(lambda (object value) | |
275 | (apply function object (mklist value))) | |
276 | initargs key pkey)) | |
277 | ||
278 | ||
8958fa4a | 279 | (defmethod make-proxy-instance ((class gobject-class) location &rest initargs) |
280 | (declare (ignore location initargs)) | |
281 | (if (slot-value class 'instance-slots-p) | |
74821f75 | 282 | (error "Objects of class ~A has instance slots and should only be created with MAKE-INSTANCE" class) |
8958fa4a | 283 | (call-next-method))) |
284 | ||
c541813c | 285 | (defparameter +gparameter-gvalue-offset+ |
286 | (max (size-of 'pointer) (type-alignment '(unsigned-byte 64)))) | |
287 | (defparameter +gparameter-size+ | |
288 | (+ +gparameter-gvalue-offset+ +gvalue-size+)) | |
e624bc26 | 289 | |
290 | (defmethod allocate-foreign ((object gobject) &rest initargs) | |
291 | (let ((init-slots ())) | |
292 | (flet ((value-from-initargs (slotd) | |
293 | (loop | |
294 | with slot-initargs = (slot-definition-initargs slotd) | |
295 | for (initarg value) on initargs by #'cddr | |
296 | when (find initarg slot-initargs) | |
297 | do (return (values value t))))) | |
298 | ||
299 | (loop | |
300 | for slotd in (class-slots (class-of object)) | |
301 | when (and | |
302 | (eq (slot-definition-allocation slotd) :property) | |
303 | (construct-only-property-p slotd)) | |
304 | do (multiple-value-bind (value initarg-p) (value-from-initargs slotd) | |
305 | (cond | |
306 | (initarg-p (push (cons slotd value) init-slots)) | |
307 | ((slot-definition-initfunction slotd) | |
308 | (push | |
309 | (cons slotd (funcall (slot-definition-initfunction slotd))) | |
310 | init-slots)))))) | |
311 | ||
312 | (cond | |
313 | (init-slots | |
c541813c | 314 | (let* ((num-slots (length init-slots))) |
315 | (with-memory (params (* num-slots +gparameter-size+)) | |
e624bc26 | 316 | (loop |
317 | with string-writer = (writer-function 'string) | |
318 | for (slotd . value) in init-slots | |
c541813c | 319 | as param = params then (pointer+ param +gparameter-size+) |
e624bc26 | 320 | as type = (slot-definition-type slotd) |
321 | as pname = (slot-definition-pname slotd) | |
74821f75 | 322 | do (funcall string-writer pname param) |
c541813c | 323 | (gvalue-init |
324 | (pointer+ param +gparameter-gvalue-offset+) type value)) | |
e624bc26 | 325 | |
326 | (unwind-protect | |
327 | (%gobject-newv (type-number-of object) num-slots params) | |
328 | ||
329 | (loop | |
330 | with string-destroy = (destroy-function 'string) | |
331 | repeat num-slots | |
c541813c | 332 | as param = params then (pointer+ param +gparameter-size+) |
74821f75 | 333 | do (funcall string-destroy param) |
c541813c | 334 | (gvalue-unset (pointer+ param +gparameter-gvalue-offset+))))))) |
335 | ||
e624bc26 | 336 | (t (%gobject-new (type-number-of object)))))) |
337 | ||
338 | ||
339 | (defmethod shared-initialize ((object gobject) names &rest initargs) | |
340 | (declare (ignore names initargs)) | |
341 | (let ((*ignore-setting-construct-only-property* t)) | |
342 | (call-next-method))) | |
343 | ||
008c81d9 | 344 | (defmethod initialize-instance :around ((object gobject) &rest initargs) |
345 | (declare (ignore initargs)) | |
e624bc26 | 346 | (prog1 |
347 | (call-next-method) | |
44ad7044 | 348 | (let ((location (foreign-location object))) |
349 | #+debug-ref-counting(%object-weak-ref location) | |
350 | #?(pkg-exists-p "glib-2.0" :atleast-version "2.8.0") | |
351 | (when (slot-value (class-of object) 'instance-slots-p) | |
352 | (%object-add-toggle-ref location) | |
353 | (%object-unref location))))) | |
4d83a8a6 | 354 | |
355 | ||
1dbf4216 | 356 | (defmethod instance-finalizer ((instance gobject)) |
09f6e237 | 357 | (let ((location (foreign-location instance))) |
74821f75 | 358 | #?(pkg-exists-p "glib-2.0" :atleast-version "2.8.0") |
b036d261 | 359 | (if (slot-value (class-of instance) 'instance-slots-p) |
360 | #'(lambda () | |
008c81d9 | 361 | #+debug-ref-counting |
44ad7044 | 362 | (format t "Finalizing proxy for 0x~8,'0X (~A)~%" |
363 | (pointer-address location) | |
364 | (find-foreign-type-name (%type-number-of-ginstance location))) | |
b036d261 | 365 | (%object-remove-toggle-ref location)) |
366 | #'(lambda () | |
008c81d9 | 367 | #+debug-ref-counting |
44ad7044 | 368 | (format t "Finalizing proxy for 0x~8,'0X (~A)~%" |
369 | (pointer-address location) | |
370 | (find-foreign-type-name (%type-number-of-ginstance location))) | |
5eb27832 | 371 | (%object-unref location))) |
74821f75 | 372 | #?-(pkg-exists-p "glib-2.0" :atleast-version "2.8.0") |
5eb27832 | 373 | #'(lambda () |
74821f75 | 374 | (%object-unref location)))) |
1dbf4216 | 375 | |
9adccb27 | 376 | |
d4b21b08 | 377 | (defbinding (%gobject-new "g_object_new") () pointer |
a9044181 | 378 | (type type-number) |
379 | (nil null)) | |
560af5c5 | 380 | |
9adccb27 | 381 | (defbinding (%gobject-newv "g_object_newv") () pointer |
4d83a8a6 | 382 | (type type-number) |
383 | (n-parameters unsigned-int) | |
9adccb27 | 384 | (params pointer)) |
de8516ca | 385 | |
386 | ||
44ad7044 | 387 | ;;;; Floating references |
388 | ||
389 | #?(pkg-exists-p "glib-2.0" :atleast-version "2.10.0") | |
390 | (progn | |
391 | (defclass initially-unowned (gobject) | |
392 | () | |
393 | (:metaclass gobject-class) | |
394 | (:gtype "GInitiallyUnowned")) | |
395 | ||
396 | (defbinding %object-ref-sink () pointer | |
397 | (location pointer)) | |
398 | ||
399 | (defbinding %object-is-floating () boolean | |
400 | (location pointer)) | |
401 | ||
402 | (defmethod initialize-instance :before ((object initially-unowned) &rest initargs) | |
403 | (declare (ignore initargs)) | |
404 | (%object-ref-sink (foreign-location object)))) | |
405 | ||
d4b21b08 | 406 | |
323d4265 | 407 | ;;;; Property stuff |
560af5c5 | 408 | |
26b133ed | 409 | (defbinding %object-set-property () nil |
c8c48a4c | 410 | (object gobject) |
411 | (name string) | |
412 | (value gvalue)) | |
86d9d6ab | 413 | |
26b133ed | 414 | (defbinding %object-get-property () nil |
c8c48a4c | 415 | (object gobject) |
416 | (name string) | |
a9044181 | 417 | (value gvalue)) |
86d9d6ab | 418 | |
26b133ed | 419 | (defbinding %object-notify () nil |
c8c48a4c | 420 | (object gobject) |
421 | (name string)) | |
86d9d6ab | 422 | |
26b133ed | 423 | (defbinding object-freeze-notify () nil |
a9044181 | 424 | (object gobject)) |
86d9d6ab | 425 | |
26b133ed | 426 | (defbinding object-thaw-notify () nil |
a9044181 | 427 | (object gobject)) |
86d9d6ab | 428 | |
a00ba56a | 429 | |
430 | ;;;; User data | |
431 | ||
64d8fbf8 | 432 | (defgeneric (setf user-data) (data object key)) |
433 | (defgeneric user-data (object key)) | |
434 | (defgeneric user-data-p (object key)) | |
435 | (defgeneric unset-user-data (object key)) | |
436 | ||
26b133ed | 437 | (defbinding %object-set-qdata-full () nil |
86d9d6ab | 438 | (object gobject) |
439 | (id quark) | |
64d8fbf8 | 440 | (data pointer-data) |
56ccd5b7 | 441 | (destroy-marshal callback)) |
86d9d6ab | 442 | |
64d8fbf8 | 443 | (define-callback user-data-destroy-callback nil ((id pointer-data)) |
73572c12 | 444 | (destroy-user-data id)) |
445 | ||
64d8fbf8 | 446 | (defmethod (setf user-data) (data (object gobject) key) |
a00ba56a | 447 | (%object-set-qdata-full object (quark-intern key) |
56ccd5b7 | 448 | (register-user-data data) user-data-destroy-callback) |
86d9d6ab | 449 | data) |
450 | ||
64d8fbf8 | 451 | (defbinding %object-get-qdata () pointer-data |
86d9d6ab | 452 | (object gobject) |
453 | (id quark)) | |
454 | ||
64d8fbf8 | 455 | (defmethod user-data ((object gobject) key) |
a00ba56a | 456 | (find-user-data (%object-get-qdata object (quark-intern key)))) |
174e8a5c | 457 | |
64d8fbf8 | 458 | (defmethod user-data-p ((object gobject) key) |
a00ba56a | 459 | (user-data-exists-p (%object-get-qdata object (quark-intern key)))) |
460 | ||
64d8fbf8 | 461 | (defbinding %object-steal-qdata () pointer-data |
a00ba56a | 462 | (object gobject) |
463 | (id quark)) | |
464 | ||
64d8fbf8 | 465 | (defmethod unset-user-data ((object gobject) key) |
a00ba56a | 466 | (destroy-user-data (%object-steal-qdata object (quark-intern key)))) |
86d9d6ab | 467 | |
468 | ||
d4b21b08 | 469 | ;;;; |
470 | ||
323d4265 | 471 | (defbinding %object-class-list-properties () pointer |
d4b21b08 | 472 | (class pointer) |
473 | (n-properties unsigned-int :out)) | |
474 | ||
9c03a07c | 475 | |
476 | (defun %map-params (params length type inherited-p) | |
477 | (if inherited-p | |
9adccb27 | 478 | (map-c-vector 'list #'identity params 'param length) |
9c03a07c | 479 | (let ((properties ())) |
9adccb27 | 480 | (map-c-vector 'list |
9c03a07c | 481 | #'(lambda (param) |
482 | (when (eql (param-owner-type param) type) | |
483 | (push param properties))) | |
484 | params 'param length) | |
485 | (nreverse properties)))) | |
486 | ||
487 | (defun query-object-class-properties (type &optional inherited-p) | |
735a29da | 488 | (let* ((type-number (find-type-number type t)) |
9c03a07c | 489 | (class (type-class-ref type-number))) |
490 | (unwind-protect | |
491 | (multiple-value-bind (array length) | |
492 | (%object-class-list-properties class) | |
21299acf | 493 | (unless (null-pointer-p array) |
494 | (unwind-protect | |
495 | (%map-params array length type-number inherited-p) | |
496 | (deallocate-memory array)))) | |
9c03a07c | 497 | ; (type-class-unref type-number) |
498 | ))) | |
d4b21b08 | 499 | |
500 | ||
501 | (defun default-slot-name (name) | |
74821f75 | 502 | (let ((prefix-len (length (package-prefix)))) |
503 | (intern (substitute #\- #\_ | |
504 | (string-upcase | |
505 | (if (and | |
506 | (string-prefix-p (package-prefix) name) | |
507 | (char= #\- (char name prefix-len))) | |
508 | (subseq name (1+ prefix-len)) | |
509 | name)))))) | |
d4b21b08 | 510 | |
511 | (defun default-slot-accessor (class-name slot-name type) | |
512 | (intern | |
513 | (format | |
514 | nil "~A-~A~A" class-name slot-name | |
4d83a8a6 | 515 | (if (eq type 'boolean) "-P" "")))) |
d4b21b08 | 516 | |
323d4265 | 517 | |
646466b0 | 518 | (defun slot-definition-from-property (class property &optional slot-name args) |
9c03a07c | 519 | (with-slots (name flags value-type documentation) property |
646466b0 | 520 | (let* ((slot-name (or slot-name (default-slot-name name))) |
62f12808 | 521 | (slot-type (or (getf args :type) (type-from-number value-type) 'pointer)) |
9c03a07c | 522 | (accessor (default-slot-accessor class slot-name slot-type))) |
523 | ||
524 | `(,slot-name | |
525 | :allocation :property :pname ,name | |
eeda1c2d | 526 | |
735a29da | 527 | ,@(when (find :unbound args) (list :unbound (getf args :unbound))) |
528 | ,@(when (find :getter args) (list :getter (getf args :getter))) | |
529 | ,@(when (find :setter args) (list :setter (getf args :setter))) | |
9c03a07c | 530 | |
531 | ;; accessors | |
532 | ,@(cond | |
533 | ((and | |
534 | (member :writable flags) (member :readable flags) | |
535 | (not (member :construct-only flags))) | |
536 | (list :accessor accessor)) | |
537 | ((and (member :writable flags) (not (member :construct-only flags))) | |
538 | (list :writer `(setf ,accessor))) | |
539 | ((member :readable flags) | |
540 | (list :reader accessor))) | |
541 | ||
542 | ;; readable/writable/construct | |
543 | ,@(when (or (not (member :writable flags)) | |
544 | (member :construct-only flags)) | |
545 | '(:writable nil)) | |
546 | ,@(when (not (member :readable flags)) | |
547 | '(:readable nil)) | |
e624bc26 | 548 | ,@(when (member :construct-only flags) |
549 | '(:construct-only t)) | |
9c03a07c | 550 | |
551 | ;; initargs | |
e5c7586b | 552 | ,@(if (find :initarg args) |
553 | (let ((initarg (getf args :initarg))) | |
554 | (etypecase initarg | |
555 | (null ()) | |
556 | (symbol `(:initarg ,initarg)))) | |
557 | (when (or (member :construct flags) | |
558 | (member :construct-only flags) | |
559 | (member :writable flags)) | |
560 | (list :initarg (intern (string slot-name) "KEYWORD")))) | |
9c03a07c | 561 | |
562 | :type ,slot-type | |
563 | :documentation ,documentation)))) | |
564 | ||
565 | ||
566 | (defun slot-definitions (class properties slots) | |
567 | (loop | |
9c03a07c | 568 | for property in properties |
eeda1c2d | 569 | as slot = (or |
570 | (find (param-name property) slots | |
571 | :key #'(lambda (slot) (getf (rest slot) :pname)) | |
572 | :test #'string=) | |
573 | (find (param-name property) slots | |
574 | :key #'first :test #'string-equal)) | |
575 | do (cond | |
576 | ((not slot) | |
577 | (push (slot-definition-from-property class property) slots)) | |
578 | ((getf (rest slot) :merge) | |
579 | (setf | |
580 | (rest slot) | |
646466b0 | 581 | (rest (slot-definition-from-property class property (first slot) (rest slot))))))) |
9c03a07c | 582 | (delete-if #'(lambda (slot) (getf (rest slot) :ignore)) slots)) |
583 | ||
584 | ||
62f12808 | 585 | (defun expand-gobject-type (type forward-p options &optional (metaclass 'gobject-class)) |
9c03a07c | 586 | (let ((supers (cons (supertype type) (implements type))) |
587 | (class (type-from-number type)) | |
74821f75 | 588 | (slots (getf options :slots))) |
e59b1597 RS |
589 | (when (member nil supers) |
590 | (error "Got NIL as a supertype for ~A (full list: ~A).~%~ | |
591 | This shouldn't happen - is the parent type correctly registered?" | |
592 | (find-foreign-type-name type) supers)) | |
9c03a07c | 593 | `(defclass ,class ,supers |
735a29da | 594 | ,(unless forward-p |
595 | (slot-definitions class (query-object-class-properties type) slots)) | |
596 | (:metaclass ,metaclass) | |
597 | (:gtype ,(register-type-as type))))) | |
323d4265 | 598 | |
74821f75 | 599 | (defun gobject-dependencies (type options) |
21299acf | 600 | (delete-duplicates |
601 | (cons | |
602 | (supertype type) | |
603 | (append | |
604 | (type-interfaces type) | |
74821f75 | 605 | (mapcar #'param-value-type (query-object-class-properties type)) |
606 | (getf options :dependencies) | |
607 | (loop | |
608 | for slot in (getf options :slots) | |
609 | as type = (getf (rest slot) :type) | |
610 | when (and type (symbolp type) (find-type-number type)) | |
611 | collect (find-type-number type)))))) | |
d4b21b08 | 612 | |
62f12808 | 613 | |
614 | (register-derivable-type 'gobject "GObject" 'expand-gobject-type 'gobject-dependencies) | |
ae37d096 | 615 | |
616 | ||
617 | ;;; Pseudo type for gobject instances which have their reference count | |
618 | ;;; increased by the returning function | |
619 | ||
4555db90 | 620 | (deftype referenced (type) type) |
ae37d096 | 621 | |
74821f75 | 622 | (define-type-method from-alien-form ((type referenced) form &key (ref :free)) |
623 | (cond | |
624 | ((not (eq ref :free)) | |
625 | (error "Keyword arg :REF to FROM-ALIEN-FORM should be :FREE for type ~A. It was give ~A" type ref)) | |
626 | ((subtypep type 'gobject) | |
627 | (from-alien-form (second (type-expand-to 'referenced type)) form :ref ref)))) | |
628 | ||
629 | (define-type-method from-alien-function ((type referenced) &key (ref :free)) | |
630 | (cond | |
631 | ((not (eq ref :free)) | |
632 | (error "Keyword arg :REF to FROM-ALIEN-FUNCTION should be :FREE for type ~A. It was give ~A" type ref)) | |
633 | ; ((subtypep type 'gobject) (call-next-method type ref :free)))) | |
634 | ((subtypep type 'gobject) | |
635 | (from-alien-function (second (type-expand-to 'referenced type)) :ref ref)))) |