112ac1d3 |
1 | ;; Common Lisp bindings for GTK+ v2.x |
2 | ;; Copyright 2000-2005 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 | |
f40eddb4 |
23 | ;; $Id: gobject.lisp,v 1.49 2006-02-19 22:24:37 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) |
b036d261 |
33 | ((instance-slots-p :initform nil |
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 | |
40 | (defclass direct-property-slot-definition (direct-virtual-slot-definition) |
41 | ((pname :reader slot-definition-pname :initarg :pname) |
e624bc26 |
42 | (readable :reader slot-readable-p :initarg :readable) |
43 | (writable :reader slot-writable-p :initarg :writable) |
44 | (construct-only :initarg :construct-only :reader construct-only-property-p))) |
2176a9c7 |
45 | |
46 | (defclass effective-property-slot-definition (effective-virtual-slot-definition) |
47 | ((pname :reader slot-definition-pname :initarg :pname) |
48 | (readable :reader slot-readable-p :initarg :readable) |
49 | (writable :reader slot-writable-p :initarg :writable) |
e624bc26 |
50 | (construct-only :initarg :construct-only :reader construct-only-property-p))) |
174e8a5c |
51 | |
52 | (defclass direct-user-data-slot-definition (direct-virtual-slot-definition) |
53 | ()) |
54 | |
55 | (defclass effective-user-data-slot-definition (effective-virtual-slot-definition) |
56 | ()) |
57 | |
2176a9c7 |
58 | |
59 | (defbinding %object-ref () pointer |
60 | (location pointer)) |
61 | |
62 | (defbinding %object-unref () nil |
63 | (location pointer)) |
64 | |
0090bb5e |
65 | #+glib2.8 |
008c81d9 |
66 | (progn |
56ccd5b7 |
67 | (define-callback toggle-ref-callback nil |
68 | ((data pointer) (location pointer) (last-ref-p boolean)) |
09f6e237 |
69 | #+debug-ref-counting |
70 | (if last-ref-p |
71 | (format t "Object at 0x~8,'0X has no foreign references~%" (sap-int location)) |
72 | (format t "Foreign reference added to object at 0x~8,'0X~%" (sap-int location))) |
008c81d9 |
73 | (if last-ref-p |
74 | (cache-instance (find-cached-instance location) t) |
75 | (cache-instance (find-cached-instance location) nil))) |
76 | |
f40eddb4 |
77 | (defbinding %object-add-toggle-ref (location) pointer |
008c81d9 |
78 | (location pointer) |
56ccd5b7 |
79 | (toggle-ref-callback callback) |
008c81d9 |
80 | (nil null)) |
81 | |
f40eddb4 |
82 | (defbinding %object-remove-toggle-ref (location) pointer |
008c81d9 |
83 | (location pointer) |
56ccd5b7 |
84 | (toggle-ref-callback callback) |
008c81d9 |
85 | (nil null))) |
b036d261 |
86 | |
2176a9c7 |
87 | (defmethod reference-foreign ((class gobject-class) location) |
88 | (declare (ignore class)) |
5eb27832 |
89 | (%object-ref location)) |
2176a9c7 |
90 | |
91 | (defmethod unreference-foreign ((class gobject-class) location) |
92 | (declare (ignore class)) |
008c81d9 |
93 | (%object-unref location)) |
b036d261 |
94 | |
008c81d9 |
95 | #+debug-ref-counting |
96 | (progn |
56ccd5b7 |
97 | (define-callback weak-ref-callback nil ((data pointer) (location pointer)) |
008c81d9 |
98 | (format t "Object at 0x~8,'0X being finalized~%" (sap-int location))) |
99 | |
f40eddb4 |
100 | (defbinding %object-weak-ref (location) pointer |
008c81d9 |
101 | (location pointer) |
56ccd5b7 |
102 | (weak-ref-callback callback) |
008c81d9 |
103 | (nil null))) |
2176a9c7 |
104 | |
105 | |
106 | ; (defbinding object-class-install-param () nil |
107 | ; (class pointer) |
108 | ; (id unsigned-int) |
109 | ; (parameter parameter)) |
110 | |
111 | ; (defbinding object-class-find-param-spec () parameter |
112 | ; (class pointer) |
113 | ; (name string)) |
114 | |
115 | (defun signal-name-to-string (name) |
116 | (substitute #\_ #\- (string-downcase (string name)))) |
117 | |
118 | |
119 | (defmethod direct-slot-definition-class ((class gobject-class) &rest initargs) |
120 | (case (getf initargs :allocation) |
121 | (:property (find-class 'direct-property-slot-definition)) |
174e8a5c |
122 | (:user-data (find-class 'direct-user-data-slot-definition)) |
2176a9c7 |
123 | (t (call-next-method)))) |
124 | |
125 | (defmethod effective-slot-definition-class ((class gobject-class) &rest initargs) |
126 | (case (getf initargs :allocation) |
127 | (:property (find-class 'effective-property-slot-definition)) |
174e8a5c |
128 | (:user-data (find-class 'effective-user-data-slot-definition)) |
2176a9c7 |
129 | (t (call-next-method)))) |
130 | |
131 | (defmethod compute-effective-slot-definition-initargs ((class gobject-class) direct-slotds) |
b19bbc94 |
132 | (if (eq (slot-definition-allocation (first direct-slotds)) :property) |
2176a9c7 |
133 | (nconc |
134 | (list :pname (signal-name-to-string |
e624bc26 |
135 | (most-specific-slot-value direct-slotds 'pname |
136 | (slot-definition-name (first direct-slotds)))) |
137 | :readable (most-specific-slot-value direct-slotds 'readable t) |
138 | :writable (most-specific-slot-value direct-slotds 'writable t) |
139 | :construct-only (most-specific-slot-value direct-slotds |
140 | 'construct-only nil)) |
2176a9c7 |
141 | (call-next-method)) |
142 | (call-next-method))) |
143 | |
144 | |
e624bc26 |
145 | (defvar *ignore-setting-construct-only-property* nil) |
146 | (declaim (special *ignore-setting-construct-only-property*)) |
147 | |
2176a9c7 |
148 | (defmethod initialize-internal-slot-functions ((slotd effective-property-slot-definition)) |
dfa4f314 |
149 | (let ((type (slot-definition-type slotd)) |
150 | (pname (slot-definition-pname slotd))) |
eeda1c2d |
151 | (when (and (not (slot-boundp slotd 'getter)) (slot-readable-p slotd)) |
2176a9c7 |
152 | (setf |
eeda1c2d |
153 | (slot-value slotd 'getter) |
dfa4f314 |
154 | (let ((reader nil)) |
eeda1c2d |
155 | #'(lambda (object) |
21299acf |
156 | (unless reader |
157 | (setq reader (reader-function type))) |
dfa4f314 |
158 | (let ((gvalue (gvalue-new type))) |
eeda1c2d |
159 | (%object-get-property object pname gvalue) |
160 | (unwind-protect |
161 | (funcall reader gvalue +gvalue-value-offset+) |
162 | (gvalue-free gvalue t))))))) |
2176a9c7 |
163 | |
e624bc26 |
164 | (when (not (slot-boundp slotd 'setter)) |
165 | (cond |
166 | ((slot-writable-p slotd) |
167 | (setf |
168 | (slot-value slotd 'setter) |
169 | (let ((writer nil)) |
170 | #'(lambda (value object) |
171 | (unless writer |
172 | (setq writer (writer-function type))) |
173 | (let ((gvalue (gvalue-new type))) |
174 | (funcall writer value gvalue +gvalue-value-offset+) |
175 | (%object-set-property object pname gvalue) |
176 | (gvalue-free gvalue t) |
177 | value))))) |
178 | |
179 | ((construct-only-property-p slotd) |
180 | (setf |
181 | (slot-value slotd 'setter) |
eeda1c2d |
182 | #'(lambda (value object) |
e624bc26 |
183 | (declare (ignore value object)) |
184 | (unless *ignore-setting-construct-only-property* |
185 | (error "Slot is not writable: ~A" (slot-definition-name slotd))))))))) |
eeda1c2d |
186 | |
2176a9c7 |
187 | (call-next-method)) |
188 | |
174e8a5c |
189 | (defmethod initialize-internal-slot-functions ((slotd effective-user-data-slot-definition)) |
190 | (let ((slot-name (slot-definition-name slotd))) |
56870989 |
191 | (unless (slot-boundp slotd 'getter) |
192 | (setf |
193 | (slot-value slotd 'getter) |
194 | #'(lambda (object) |
195 | (prog1 (user-data object slot-name))))) |
196 | (unless (slot-boundp slotd 'setter) |
197 | (setf |
198 | (slot-value slotd 'setter) |
199 | #'(lambda (value object) |
200 | (setf (user-data object slot-name) value)))) |
201 | (unless (slot-boundp slotd 'boundp) |
202 | (setf |
203 | (slot-value slotd 'boundp) |
204 | #'(lambda (object) |
205 | (user-data-p object slot-name))))) |
174e8a5c |
206 | (call-next-method)) |
207 | |
b036d261 |
208 | (defmethod shared-initialize :after ((class gobject-class) names &rest initargs) |
209 | (declare (ignore initargs)) |
210 | (when (some #'(lambda (slotd) |
211 | (and |
212 | (eq (slot-definition-allocation slotd) :instance) |
e2ebafb1 |
213 | (not (typep slotd 'effective-special-slot-definition)))) |
b036d261 |
214 | (class-slots class)) |
215 | (setf (slot-value class 'instance-slots-p) t))) |
216 | |
217 | |
2176a9c7 |
218 | |
219 | ;;;; Super class for all classes in the GObject type hierarchy |
220 | |
560af5c5 |
221 | (eval-when (:compile-toplevel :load-toplevel :execute) |
c8c48a4c |
222 | (defclass gobject (ginstance) |
a6e339e1 |
223 | (#+debug-ref-counting |
224 | (ref-count :allocation :alien :type int :reader ref-count)) |
2176a9c7 |
225 | (:metaclass gobject-class) |
dfa4f314 |
226 | (:gtype "GObject"))) |
9adccb27 |
227 | |
a6e339e1 |
228 | #+debug-ref-counting |
229 | (defmethod print-object ((instance gobject) stream) |
230 | (print-unreadable-object (instance stream :type t :identity nil) |
c0e19882 |
231 | (if (proxy-valid-p instance) |
a6e339e1 |
232 | (format stream "at 0x~X (~D)" (sap-int (foreign-location instance)) (ref-count instance)) |
233 | (write-string "at \"unbound\"" stream)))) |
234 | |
eeda1c2d |
235 | |
236 | (defun initial-add (object function initargs key pkey) |
237 | (loop |
238 | as (initarg value . rest) = initargs then rest |
239 | do (cond |
240 | ((eq initarg key) (funcall function object value)) |
241 | ((eq initarg pkey) (mapc #'(lambda (value) |
242 | (funcall function object value)) |
243 | value))) |
244 | while rest)) |
245 | |
246 | (defun initial-apply-add (object function initargs key pkey) |
247 | (initial-add object #'(lambda (object value) |
248 | (apply function object (mklist value))) |
249 | initargs key pkey)) |
250 | |
251 | |
8958fa4a |
252 | (defmethod make-proxy-instance ((class gobject-class) location &rest initargs) |
253 | (declare (ignore location initargs)) |
254 | (if (slot-value class 'instance-slots-p) |
255 | (error "An object of class ~A has instance slots and should only be created with MAKE-INSTANCE" class) |
256 | (call-next-method))) |
257 | |
e624bc26 |
258 | |
259 | (defmethod allocate-foreign ((object gobject) &rest initargs) |
260 | (let ((init-slots ())) |
261 | (flet ((value-from-initargs (slotd) |
262 | (loop |
263 | with slot-initargs = (slot-definition-initargs slotd) |
264 | for (initarg value) on initargs by #'cddr |
265 | when (find initarg slot-initargs) |
266 | do (return (values value t))))) |
267 | |
268 | (loop |
269 | for slotd in (class-slots (class-of object)) |
270 | when (and |
271 | (eq (slot-definition-allocation slotd) :property) |
272 | (construct-only-property-p slotd)) |
273 | do (multiple-value-bind (value initarg-p) (value-from-initargs slotd) |
274 | (cond |
275 | (initarg-p (push (cons slotd value) init-slots)) |
276 | ((slot-definition-initfunction slotd) |
277 | (push |
278 | (cons slotd (funcall (slot-definition-initfunction slotd))) |
279 | init-slots)))))) |
280 | |
281 | (cond |
282 | (init-slots |
283 | (let ((element-size (+ +gvalue-size+ +size-of-pointer+)) |
284 | (num-slots (length init-slots))) |
285 | (with-allocated-memory (params (* num-slots element-size)) |
286 | (loop |
287 | with string-writer = (writer-function 'string) |
288 | for (slotd . value) in init-slots |
289 | as offset = params then (sap+ offset element-size) |
290 | as type = (slot-definition-type slotd) |
291 | as pname = (slot-definition-pname slotd) |
292 | do (funcall string-writer pname offset) |
293 | (gvalue-init (sap+ offset +size-of-pointer+) type value)) |
294 | |
295 | (unwind-protect |
296 | (%gobject-newv (type-number-of object) num-slots params) |
297 | |
298 | (loop |
299 | with string-destroy = (destroy-function 'string) |
300 | repeat num-slots |
301 | as offset = params then (sap+ offset element-size) |
302 | do (funcall string-destroy offset) |
303 | (gvalue-unset (sap+ offset +size-of-pointer+))))))) |
304 | |
305 | (t (%gobject-new (type-number-of object)))))) |
306 | |
307 | |
308 | (defmethod shared-initialize ((object gobject) names &rest initargs) |
309 | (declare (ignore names initargs)) |
310 | (let ((*ignore-setting-construct-only-property* t)) |
311 | (call-next-method))) |
312 | |
008c81d9 |
313 | (defmethod initialize-instance :around ((object gobject) &rest initargs) |
314 | (declare (ignore initargs)) |
e624bc26 |
315 | (prog1 |
316 | (call-next-method) |
317 | #+debug-ref-counting(%object-weak-ref (foreign-location object)) |
318 | #+glib2.8 |
319 | (when (slot-value (class-of object) 'instance-slots-p) |
320 | (with-slots (location) object |
321 | (%object-add-toggle-ref location) |
322 | (%object-unref location))))) |
4d83a8a6 |
323 | |
324 | |
1dbf4216 |
325 | (defmethod instance-finalizer ((instance gobject)) |
09f6e237 |
326 | (let ((location (foreign-location instance))) |
0090bb5e |
327 | #+glib2.8 |
b036d261 |
328 | (if (slot-value (class-of instance) 'instance-slots-p) |
329 | #'(lambda () |
008c81d9 |
330 | #+debug-ref-counting |
331 | (format t "Finalizing proxy for 0x~8,'0X~%" (sap-int location)) |
b036d261 |
332 | (remove-cached-instance location) |
333 | (%object-remove-toggle-ref location)) |
334 | #'(lambda () |
008c81d9 |
335 | #+debug-ref-counting |
336 | (format t "Finalizing proxy for 0x~8,'0X~%" (sap-int location)) |
b036d261 |
337 | (remove-cached-instance location) |
5eb27832 |
338 | (%object-unref location))) |
0090bb5e |
339 | #-glib2.8 |
5eb27832 |
340 | #'(lambda () |
341 | (remove-cached-instance location) |
342 | (%object-unref location)))) |
1dbf4216 |
343 | |
9adccb27 |
344 | |
d4b21b08 |
345 | (defbinding (%gobject-new "g_object_new") () pointer |
a9044181 |
346 | (type type-number) |
347 | (nil null)) |
560af5c5 |
348 | |
9adccb27 |
349 | (defbinding (%gobject-newv "g_object_newv") () pointer |
4d83a8a6 |
350 | (type type-number) |
351 | (n-parameters unsigned-int) |
9adccb27 |
352 | (params pointer)) |
de8516ca |
353 | |
354 | |
d4b21b08 |
355 | |
323d4265 |
356 | ;;;; Property stuff |
560af5c5 |
357 | |
26b133ed |
358 | (defbinding %object-set-property () nil |
c8c48a4c |
359 | (object gobject) |
360 | (name string) |
361 | (value gvalue)) |
86d9d6ab |
362 | |
26b133ed |
363 | (defbinding %object-get-property () nil |
c8c48a4c |
364 | (object gobject) |
365 | (name string) |
a9044181 |
366 | (value gvalue)) |
86d9d6ab |
367 | |
26b133ed |
368 | (defbinding %object-notify () nil |
c8c48a4c |
369 | (object gobject) |
370 | (name string)) |
86d9d6ab |
371 | |
26b133ed |
372 | (defbinding object-freeze-notify () nil |
a9044181 |
373 | (object gobject)) |
86d9d6ab |
374 | |
26b133ed |
375 | (defbinding object-thaw-notify () nil |
a9044181 |
376 | (object gobject)) |
86d9d6ab |
377 | |
a00ba56a |
378 | |
379 | ;;;; User data |
380 | |
26b133ed |
381 | (defbinding %object-set-qdata-full () nil |
86d9d6ab |
382 | (object gobject) |
383 | (id quark) |
384 | (data unsigned-long) |
56ccd5b7 |
385 | (destroy-marshal callback)) |
86d9d6ab |
386 | |
56ccd5b7 |
387 | (define-callback user-data-destroy-callback nil ((id unsigned-int)) |
73572c12 |
388 | (destroy-user-data id)) |
389 | |
174e8a5c |
390 | (defun (setf user-data) (data object key) |
a00ba56a |
391 | (%object-set-qdata-full object (quark-intern key) |
56ccd5b7 |
392 | (register-user-data data) user-data-destroy-callback) |
86d9d6ab |
393 | data) |
394 | |
a00ba56a |
395 | ;; deprecated |
174e8a5c |
396 | (defun (setf object-data) (data object key &key (test #'eq)) |
397 | (assert (eq test #'eq)) |
398 | (setf (user-data object key) data)) |
399 | |
26b133ed |
400 | (defbinding %object-get-qdata () unsigned-long |
86d9d6ab |
401 | (object gobject) |
402 | (id quark)) |
403 | |
174e8a5c |
404 | (defun user-data (object key) |
a00ba56a |
405 | (find-user-data (%object-get-qdata object (quark-intern key)))) |
174e8a5c |
406 | |
a00ba56a |
407 | ;; deprecated |
86d9d6ab |
408 | (defun object-data (object key &key (test #'eq)) |
174e8a5c |
409 | (assert (eq test #'eq)) |
410 | (user-data object key)) |
411 | |
412 | (defun user-data-p (object key) |
a00ba56a |
413 | (user-data-exists-p (%object-get-qdata object (quark-intern key)))) |
414 | |
415 | (defbinding %object-steal-qdata () unsigned-long |
416 | (object gobject) |
417 | (id quark)) |
418 | |
419 | (defun unset-user-data (object key) |
420 | (destroy-user-data (%object-steal-qdata object (quark-intern key)))) |
86d9d6ab |
421 | |
422 | |
d4b21b08 |
423 | ;;;; |
424 | |
323d4265 |
425 | (defbinding %object-class-list-properties () pointer |
d4b21b08 |
426 | (class pointer) |
427 | (n-properties unsigned-int :out)) |
428 | |
9c03a07c |
429 | |
430 | (defun %map-params (params length type inherited-p) |
431 | (if inherited-p |
9adccb27 |
432 | (map-c-vector 'list #'identity params 'param length) |
9c03a07c |
433 | (let ((properties ())) |
9adccb27 |
434 | (map-c-vector 'list |
9c03a07c |
435 | #'(lambda (param) |
436 | (when (eql (param-owner-type param) type) |
437 | (push param properties))) |
438 | params 'param length) |
439 | (nreverse properties)))) |
440 | |
441 | (defun query-object-class-properties (type &optional inherited-p) |
735a29da |
442 | (let* ((type-number (find-type-number type t)) |
9c03a07c |
443 | (class (type-class-ref type-number))) |
444 | (unwind-protect |
445 | (multiple-value-bind (array length) |
446 | (%object-class-list-properties class) |
21299acf |
447 | (unless (null-pointer-p array) |
448 | (unwind-protect |
449 | (%map-params array length type-number inherited-p) |
450 | (deallocate-memory array)))) |
9c03a07c |
451 | ; (type-class-unref type-number) |
452 | ))) |
d4b21b08 |
453 | |
454 | |
455 | (defun default-slot-name (name) |
456 | (intern (substitute #\- #\_ (string-upcase (string-upcase name))))) |
457 | |
458 | (defun default-slot-accessor (class-name slot-name type) |
459 | (intern |
460 | (format |
461 | nil "~A-~A~A" class-name slot-name |
4d83a8a6 |
462 | (if (eq type 'boolean) "-P" "")))) |
d4b21b08 |
463 | |
323d4265 |
464 | |
646466b0 |
465 | (defun slot-definition-from-property (class property &optional slot-name args) |
9c03a07c |
466 | (with-slots (name flags value-type documentation) property |
646466b0 |
467 | (let* ((slot-name (or slot-name (default-slot-name name))) |
62f12808 |
468 | (slot-type (or (getf args :type) (type-from-number value-type) 'pointer)) |
9c03a07c |
469 | (accessor (default-slot-accessor class slot-name slot-type))) |
470 | |
471 | `(,slot-name |
472 | :allocation :property :pname ,name |
eeda1c2d |
473 | |
735a29da |
474 | ,@(when (find :unbound args) (list :unbound (getf args :unbound))) |
475 | ,@(when (find :getter args) (list :getter (getf args :getter))) |
476 | ,@(when (find :setter args) (list :setter (getf args :setter))) |
9c03a07c |
477 | |
478 | ;; accessors |
479 | ,@(cond |
480 | ((and |
481 | (member :writable flags) (member :readable flags) |
482 | (not (member :construct-only flags))) |
483 | (list :accessor accessor)) |
484 | ((and (member :writable flags) (not (member :construct-only flags))) |
485 | (list :writer `(setf ,accessor))) |
486 | ((member :readable flags) |
487 | (list :reader accessor))) |
488 | |
489 | ;; readable/writable/construct |
490 | ,@(when (or (not (member :writable flags)) |
491 | (member :construct-only flags)) |
492 | '(:writable nil)) |
493 | ,@(when (not (member :readable flags)) |
494 | '(:readable nil)) |
e624bc26 |
495 | ,@(when (member :construct-only flags) |
496 | '(:construct-only t)) |
9c03a07c |
497 | |
498 | ;; initargs |
e5c7586b |
499 | ,@(if (find :initarg args) |
500 | (let ((initarg (getf args :initarg))) |
501 | (etypecase initarg |
502 | (null ()) |
503 | (symbol `(:initarg ,initarg)))) |
504 | (when (or (member :construct flags) |
505 | (member :construct-only flags) |
506 | (member :writable flags)) |
507 | (list :initarg (intern (string slot-name) "KEYWORD")))) |
9c03a07c |
508 | |
509 | :type ,slot-type |
510 | :documentation ,documentation)))) |
511 | |
512 | |
513 | (defun slot-definitions (class properties slots) |
514 | (loop |
9c03a07c |
515 | for property in properties |
eeda1c2d |
516 | as slot = (or |
517 | (find (param-name property) slots |
518 | :key #'(lambda (slot) (getf (rest slot) :pname)) |
519 | :test #'string=) |
520 | (find (param-name property) slots |
521 | :key #'first :test #'string-equal)) |
522 | do (cond |
523 | ((not slot) |
524 | (push (slot-definition-from-property class property) slots)) |
525 | ((getf (rest slot) :merge) |
526 | (setf |
527 | (rest slot) |
646466b0 |
528 | (rest (slot-definition-from-property class property (first slot) (rest slot))))))) |
9c03a07c |
529 | (delete-if #'(lambda (slot) (getf (rest slot) :ignore)) slots)) |
530 | |
531 | |
62f12808 |
532 | (defun expand-gobject-type (type forward-p options &optional (metaclass 'gobject-class)) |
9c03a07c |
533 | (let ((supers (cons (supertype type) (implements type))) |
534 | (class (type-from-number type)) |
535 | (slots (getf options :slots))) |
536 | `(defclass ,class ,supers |
735a29da |
537 | ,(unless forward-p |
538 | (slot-definitions class (query-object-class-properties type) slots)) |
539 | (:metaclass ,metaclass) |
540 | (:gtype ,(register-type-as type))))) |
323d4265 |
541 | |
62f12808 |
542 | (defun gobject-dependencies (type) |
21299acf |
543 | (delete-duplicates |
544 | (cons |
545 | (supertype type) |
546 | (append |
547 | (type-interfaces type) |
548 | (mapcar #'param-value-type (query-object-class-properties type)))))) |
d4b21b08 |
549 | |
62f12808 |
550 | |
551 | (register-derivable-type 'gobject "GObject" 'expand-gobject-type 'gobject-dependencies) |
ae37d096 |
552 | |
553 | |
554 | ;;; Pseudo type for gobject instances which have their reference count |
555 | ;;; increased by the returning function |
556 | |
557 | (defmethod alien-type ((type (eql 'referenced)) &rest args) |
558 | (declare (ignore type args)) |
559 | (alien-type 'gobject)) |
560 | |
561 | (defmethod from-alien-form (form (type (eql 'referenced)) &rest args) |
562 | (declare (ignore type)) |
563 | (destructuring-bind (type) args |
564 | (if (subtypep type 'gobject) |
565 | (let ((instance (make-symbol "INSTANCE"))) |
566 | `(let ((,instance ,(from-alien-form form type))) |
567 | (when ,instance |
09f6e237 |
568 | (%object-unref (foreign-location ,instance))) |
ae37d096 |
569 | ,instance)) |
570 | (error "~A is not a subclass of GOBJECT" type)))) |
571 | |
572 | (export 'referenced) |