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1 | ;; Common Lisp bindings for GTK+ 2.x |
2 | ;; Copyright 1999-2005 Espen S. Johnsen <espen@users.sf.net> |
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3 | ;; |
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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: |
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11 | ;; |
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12 | ;; The above copyright notice and this permission notice shall be |
13 | ;; included in all copies or substantial portions of the Software. |
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14 | ;; |
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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. |
22 | |
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23 | ;; $Id: glib.lisp,v 1.45 2008-12-14 21:37:25 espen Exp $ |
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24 | |
25 | |
26 | (in-package "GLIB") |
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27 | |
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28 | (use-prefix "g") |
29 | |
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30 | #-sb-thread |
31 | (progn |
32 | (defun make-mutex () |
33 | nil) |
34 | |
35 | (defmacro with-mutex ((mutex) &body body) |
36 | (declare (ignore mutex)) |
37 | `(progn ,@body))) |
38 | |
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39 | |
40 | ;;;; Memory management |
41 | |
a666b391 |
42 | (deftype gsize () 'unsigned-int) |
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43 | (deftype gssize () 'int) |
44 | (deftype goffset () '(unsigned-int 64)) |
45 | |
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46 | |
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47 | (defbinding malloc0 () pointer |
48 | (size gsize)) |
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49 | |
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50 | (defbinding free () nil |
51 | (address pointer)) |
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52 | |
a666b391 |
53 | (setf *memory-allocator* #'malloc0) |
54 | (setf *memory-deallocator* #'free) |
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55 | |
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56 | (defbinding (reallocate-memory "g_realloc") () pointer |
57 | (address pointer) |
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58 | (size gsize)) |
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59 | |
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60 | (defbinding (slice-alloc "g_slice_alloc0") () pointer |
61 | (block-size gsize)) |
62 | |
63 | ;;;; User data is a mechanism to store references to lisp objects in |
64 | ;;;; foreign code |
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65 | |
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66 | ;; TODO: move to gffi |
67 | |
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68 | (defvar *user-data-lock* (make-mutex)) |
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69 | (defvar *user-data* (make-hash-table)) |
425c4d78 |
70 | (defvar *user-data-next-id* 1) |
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71 | |
72 | (defun register-user-data (object &optional destroy-function) |
73 | (check-type destroy-function (or null symbol function)) |
0038bd8d |
74 | (with-mutex (*user-data-lock*) |
0038bd8d |
75 | (setf |
425c4d78 |
76 | (gethash *user-data-next-id* *user-data*) |
0038bd8d |
77 | (cons object destroy-function)) |
425c4d78 |
78 | (1- (incf *user-data-next-id*)))) |
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79 | |
80 | (defun find-user-data (id) |
81 | (check-type id fixnum) |
0038bd8d |
82 | (with-mutex (*user-data-lock*) |
83 | (multiple-value-bind (user-data p) (gethash id *user-data*) |
84 | (values (car user-data) p)))) |
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85 | |
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86 | (defun user-data-exists-p (id) |
87 | (nth-value 1 (find-user-data id))) |
88 | |
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89 | (defun update-user-data (id object) |
90 | (check-type id fixnum) |
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91 | (with-mutex (*user-data-lock*) |
92 | (multiple-value-bind (user-data exists-p) (gethash id *user-data*) |
93 | (cond |
94 | ((not exists-p) (error "User data id ~A does not exist" id)) |
95 | (t |
96 | (when (cdr user-data) |
97 | (funcall (cdr user-data) (car user-data))) |
98 | (setf (car user-data) object)))))) |
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99 | |
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100 | (defun destroy-user-data (id) |
101 | (check-type id fixnum) |
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102 | (with-mutex (*user-data-lock*) |
425c4d78 |
103 | (multiple-value-bind (user-data exists-p) (gethash id *user-data*) |
104 | (cond |
105 | ; ((not exists-p) (error "User data id ~A does not exist" id)) |
106 | (t |
107 | (when (cdr user-data) |
108 | (funcall (cdr user-data) (car user-data))) |
109 | (remhash id *user-data*)))))) |
110 | |
111 | (defun take-user-data (id) |
112 | (check-type id fixnum) |
113 | (multiple-value-bind (user-data exists-p) (gethash id *user-data*) |
114 | (cond |
115 | ((not exists-p) (error "User data id ~A does not exist" id)) |
116 | (t |
117 | (when (cdr user-data) |
118 | (funcall (cdr user-data) (car user-data))) |
119 | (remhash id *user-data*) |
120 | (car user-data))))) |
121 | |
122 | (defmacro with-user-data ((var object) &body body) |
123 | `(let ((,var (register-user-data ,object))) |
124 | (unwind-protect |
125 | ,@body |
126 | (destroy-user-data ,var)))) |
127 | |
128 | |
129 | (deftype user-data-id () 'pointer-data) |
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130 | |
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131 | |
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132 | ;;;; Quarks |
133 | |
134 | (deftype quark () 'unsigned) |
135 | |
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136 | (defbinding %quark-from-string () quark |
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137 | (string string)) |
138 | |
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139 | (defun quark-intern (object) |
140 | (etypecase object |
141 | (quark object) |
142 | (string (%quark-from-string object)) |
143 | (symbol (%quark-from-string (format nil "clg-~A:~A" |
144 | (package-name (symbol-package object)) |
145 | object))))) |
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146 | |
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147 | (defbinding quark-to-string () (static string) |
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148 | (quark quark)) |
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149 | |
150 | |
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151 | ;;;; Linked list (GList) |
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152 | |
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153 | (deftype glist (type) |
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154 | `(or null (cons ,type list))) |
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155 | |
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156 | (defbinding (%glist-prepend "g_list_prepend") () pointer |
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157 | (glist (or null pointer)) |
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158 | (nil null)) |
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159 | |
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160 | (defbinding (%glist-reverse "g_list_reverse") () pointer |
161 | (glist (or null pointer))) |
162 | |
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163 | (defun make-glist (element-type list &optional temp-p) |
164 | (let ((writer (if (functionp element-type) |
165 | element-type |
166 | (writer-function element-type :temp temp-p)))) |
167 | (loop |
168 | for element in list |
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169 | as glist = (%glist-prepend nil) then (%glist-prepend glist) |
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170 | do (funcall writer element glist) |
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171 | finally (return (%glist-reverse glist))))) |
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172 | |
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173 | (defun glist-next (glist) |
174 | (unless (null-pointer-p glist) |
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175 | (ref-pointer glist #.(size-of 'pointer)))) |
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176 | |
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177 | ;; Also used for gslists |
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178 | (defun map-glist (seqtype function glist element-type &optional (ref :read)) |
179 | (let ((reader (if (functionp element-type) |
180 | element-type |
181 | (reader-function element-type :ref ref)))) |
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182 | (case seqtype |
183 | ((nil) |
184 | (loop |
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185 | as element = glist then (glist-next element) |
186 | until (null-pointer-p element) |
187 | do (funcall function (funcall reader element)))) |
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188 | (list |
189 | (loop |
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190 | as element = glist then (glist-next element) |
191 | until (null-pointer-p element) |
192 | collect (funcall function (funcall reader element)))) |
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193 | (t |
194 | (coerce |
195 | (loop |
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196 | as element = glist then (glist-next element) |
197 | until (null-pointer-p element) |
198 | collect (funcall function (funcall reader element))) |
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199 | seqtype))))) |
200 | |
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201 | (defbinding (glist-free "g_list_free") () nil |
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202 | (glist pointer)) |
203 | |
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204 | (defun destroy-glist (glist element-type &optional temp-p) |
205 | (let ((destroy (if (functionp element-type) |
206 | element-type |
207 | (destroy-function element-type :temp temp-p)))) |
208 | (loop |
209 | as element = glist then (glist-next element) |
210 | until (null-pointer-p element) |
211 | do (funcall destroy element))) |
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212 | (glist-free glist)) |
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213 | |
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214 | (define-type-method alien-type ((type glist)) |
215 | (declare (ignore type)) |
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216 | (alien-type 'pointer)) |
217 | |
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218 | (define-type-method argument-type ((type glist)) |
219 | 'list) |
220 | |
221 | (define-type-method return-type ((type glist)) |
222 | 'list) |
223 | |
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224 | (define-type-method size-of ((type glist) &key inlined) |
225 | (assert-not-inlined type inlined) |
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226 | (size-of 'pointer)) |
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227 | |
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228 | (define-type-method type-alignment ((type glist) &key inlined) |
229 | (assert-not-inlined type inlined) |
230 | (type-alignment 'pointer)) |
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231 | |
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232 | (define-type-method alien-arg-wrapper ((type glist) var list style form &optional copy-in-p) |
233 | (destructuring-bind (element-type) (rest (type-expand-to 'glist type)) |
234 | (cond |
235 | ((and (in-arg-p style) (not (out-arg-p style))) |
236 | `(with-pointer (,var (make-glist ',element-type ,list ,(not copy-in-p))) |
237 | (unwind-protect |
238 | ,form |
239 | ,(unless copy-in-p |
240 | `(destroy-glist ,var ',element-type t))))) |
241 | ((and (in-arg-p style) (out-arg-p style)) |
242 | (let ((glist (make-symbol "GLIST"))) |
243 | `(with-pointer (,glist (make-glist ',element-type ,list ,(not copy-in-p))) |
244 | (with-pointer (,var ,glist) |
245 | (unwind-protect |
246 | ,form |
247 | ,(unless copy-in-p |
248 | `(destroy-glist ,glist ',element-type t))))))) |
249 | ((and (out-arg-p style) (not (in-arg-p style))) |
250 | `(with-pointer (,var) |
251 | ,form))))) |
252 | |
253 | (define-type-method to-alien-form ((type glist) list &optional copy-p) |
254 | (declare (ignore copy-p)) |
255 | (destructuring-bind (element-type) (rest (type-expand-to 'glist type)) |
256 | `(make-glist ',element-type ,list))) |
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257 | |
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258 | (define-type-method to-alien-function ((type glist) &optional copy-p) |
259 | (destructuring-bind (element-type) (rest (type-expand-to 'glist type)) |
260 | (values |
261 | #'(lambda (list) |
262 | (make-glist element-type list (not copy-p))) |
263 | (unless copy-p |
264 | #'(lambda (list glist) |
265 | (declare (ignore list)) |
266 | (destroy-glist glist element-type t)))))) |
267 | |
268 | (define-type-method from-alien-form ((type glist) form &key (ref :free)) |
269 | (destructuring-bind (element-type) (rest (type-expand-to 'glist type)) |
270 | `(let ((glist ,form)) |
271 | (unwind-protect |
272 | (map-glist 'list #'identity glist ',element-type |
273 | ,(ecase ref (:free :get) ((:static :temp) :peek) (:copy :read))) |
274 | ,(when (eq ref :free) |
275 | `(destroy-glist glist ',element-type)))))) |
276 | |
277 | (define-type-method from-alien-function ((type glist) &key (ref :free)) |
278 | (destructuring-bind (element-type) (rest (type-expand-to 'glist type)) |
279 | (ecase ref |
280 | (:free |
281 | #'(lambda (glist) |
282 | (prog1 |
283 | (map-glist 'list #'identity glist element-type :get) |
284 | (glist-free glist)))) |
285 | (:copy |
286 | #'(lambda (glist) |
287 | (map-glist 'list #'identity glist element-type :read))) |
288 | ((:static :temp) |
289 | #'(lambda (glist) |
290 | (map-glist 'list #'identity glist element-type :peek)))))) |
291 | |
292 | (define-type-method writer-function ((type glist) &key temp inlined) |
293 | (assert-not-inlined type inlined) |
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294 | (let ((element-type (second (type-expand-to 'glist type)))) |
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295 | #'(lambda (list location &optional (offset 0)) |
296 | (setf |
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297 | (ref-pointer location offset) |
298 | (make-glist element-type list temp))))) |
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299 | |
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300 | (define-type-method reader-function ((type glist) &key (ref :read) inlined) |
301 | (assert-not-inlined type inlined) |
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302 | (let ((element-type (second (type-expand-to 'glist type)))) |
8e0e01e4 |
303 | (ecase ref |
304 | ((:read :peek) |
305 | #'(lambda (location &optional (offset 0)) |
306 | (unless (null-pointer-p (ref-pointer location offset)) |
307 | (map-glist 'list #'identity (ref-pointer location offset) element-type ref)))) |
308 | (:get |
309 | #'(lambda (location &optional (offset 0)) |
310 | (unless (null-pointer-p (ref-pointer location offset)) |
311 | (prog1 |
312 | (map-glist 'list #'identity (ref-pointer location offset) element-type :get) |
313 | (glist-free (ref-pointer location offset)) |
314 | (setf (ref-pointer location offset) (make-pointer 0))))))))) |
315 | |
316 | (define-type-method destroy-function ((type glist) &key temp inlined) |
317 | (assert-not-inlined type inlined) |
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318 | (let ((element-type (second (type-expand-to 'glist type)))) |
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319 | #'(lambda (location &optional (offset 0)) |
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320 | (unless (null-pointer-p (ref-pointer location offset)) |
321 | (destroy-glist (ref-pointer location offset) element-type temp) |
322 | (setf (ref-pointer location offset) (make-pointer 0)))))) |
323 | |
324 | (define-type-method copy-function ((type glist) &key inlined) |
325 | (assert-not-inlined type inlined) |
326 | (destructuring-bind (element-type) (rest (type-expand-to 'glist type)) |
327 | (let ((copy-element (copy-function element-type))) |
328 | #'(lambda (from to &optional (offset 0)) |
329 | (unless (null-pointer-p (ref-pointer from offset)) |
330 | (loop |
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331 | as from-list = (ref-pointer from offset) then (glist-next from-list) |
332 | as to-list = (%glist-prepend nil) then (%glist-prepend to-list) |
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333 | do (funcall copy-element from-list to-list) |
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334 | while (glist-next from-list) |
335 | finally (setf (ref-pointer to offset) (%glist-reverse to-list)))))))) |
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336 | |
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337 | |
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338 | ;;;; Single linked list (GSList) |
339 | |
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340 | (deftype gslist (type) `(or null (cons ,type list))) |
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341 | |
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342 | (defbinding (%gslist-prepend "g_slist_prepend") () pointer |
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343 | (gslist pointer) |
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344 | (nil null)) |
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345 | |
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346 | (defbinding (%gslist-append "g_slist_append") () pointer |
347 | (glist (or null pointer)) |
348 | (nil null)) |
349 | |
350 | |
351 | (defun make-gslist (element-type list &optional temp-p) |
352 | (let ((writer (if (functionp element-type) |
353 | element-type |
354 | (writer-function element-type :temp temp-p)))) |
355 | (loop |
356 | for element in (reverse list) |
357 | as gslist = (%gslist-prepend (make-pointer 0)) then (%gslist-prepend gslist) |
358 | do (funcall writer element gslist) |
359 | finally (return gslist)))) |
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360 | |
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361 | (defbinding (gslist-free "g_slist_free") () nil |
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362 | (gslist pointer)) |
363 | |
8e0e01e4 |
364 | (defun destroy-gslist (gslist element-type &optional temp-p) |
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365 | (loop |
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366 | with destroy = (destroy-function element-type :temp temp-p) |
367 | as element = gslist then (glist-next element) |
368 | until (null-pointer-p element) |
369 | do (funcall destroy element 0)) |
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370 | (gslist-free gslist)) |
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371 | |
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372 | (define-type-method alien-type ((type gslist)) |
373 | (declare (ignore type)) |
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374 | (alien-type 'pointer)) |
375 | |
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376 | (define-type-method argument-type ((type gslist)) |
377 | 'list) |
378 | |
379 | (define-type-method return-type ((type gslist)) |
380 | 'list) |
381 | |
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382 | (define-type-method size-of ((type gslist) &key inlined) |
383 | (assert-not-inlined type inlined) |
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384 | (size-of 'pointer)) |
385 | |
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386 | (define-type-method type-alignment ((type gslist) &key inlined) |
387 | (assert-not-inlined type inlined) |
388 | (type-alignment 'pointer)) |
389 | |
8e0e01e4 |
390 | (define-type-method alien-arg-wrapper ((type gslist) var list style form &optional copy-in-p) |
391 | (destructuring-bind (element-type) (rest (type-expand-to 'gslist type)) |
392 | (cond |
393 | ((and (in-arg-p style) (not (out-arg-p style))) |
394 | `(with-pointer (,var (make-gslist ',element-type ,list ,(not copy-in-p))) |
395 | (unwind-protect |
396 | ,form |
397 | ,(unless copy-in-p |
398 | `(destroy-gslist ,var ',element-type t))))) |
399 | ((and (in-arg-p style) (out-arg-p style)) |
400 | (let ((gslist (make-symbol "GSLIST"))) |
401 | `(with-pointer (,gslist (make-gslist ',element-type ,list ,(not copy-in-p))) |
402 | (with-pointer (,var ,gslist) |
403 | (unwind-protect |
404 | ,form |
405 | ,(unless copy-in-p |
406 | `(destroy-gslist ,gslist ',element-type t))))))) |
407 | ((and (out-arg-p style) (not (in-arg-p style))) |
408 | `(with-pointer (,var) |
409 | ,form))))) |
410 | |
411 | (define-type-method to-alien-form ((type gslist) list &optional copy-p) |
412 | (declare (ignore copy-p)) |
413 | (destructuring-bind (element-type) (rest (type-expand-to 'gslist type)) |
414 | `(make-gslist ',element-type ,list))) |
415 | |
416 | (define-type-method to-alien-function ((type gslist) &optional copy-p) |
417 | (destructuring-bind (element-type) (rest (type-expand-to 'gslist type)) |
418 | (values |
419 | #'(lambda (list) |
420 | (make-gslist element-type list (not copy-p))) |
421 | (unless copy-p |
422 | #'(lambda (list gslist) |
423 | (declare (ignore list)) |
424 | (destroy-gslist gslist element-type t)))))) |
425 | |
426 | (define-type-method from-alien-form ((type gslist) form &key (ref :free)) |
427 | (destructuring-bind (element-type) (rest (type-expand-to 'gslist type)) |
428 | `(let ((gslist ,form)) |
429 | (unwind-protect |
430 | (map-glist 'list #'identity gslist ',element-type |
431 | ,(ecase ref (:free :get) ((:static :temp) :peek) (:copy :read))) |
432 | ,(when (eq ref :free) |
433 | `(destroy-gslist gslist ',element-type)))))) |
434 | |
435 | (define-type-method from-alien-function ((type gslist) &key (ref :free)) |
436 | (destructuring-bind (element-type) (rest (type-expand-to 'gslist type)) |
437 | (ecase ref |
438 | (:free |
439 | #'(lambda (glist) |
440 | (prog1 |
441 | (map-glist 'list #'identity glist element-type :get) |
442 | (gslist-free glist)))) |
443 | (:copy |
444 | #'(lambda (glist) |
445 | (map-glist 'list #'identity glist element-type :read))) |
446 | ((:static :temp) |
447 | #'(lambda (glist) |
448 | (map-glist 'list #'identity glist element-type :peek)))))) |
449 | |
450 | (define-type-method writer-function ((type gslist) &key temp inlined) |
451 | (assert-not-inlined type inlined) |
452 | (destructuring-bind (element-type) (rest (type-expand-to 'gslist type)) |
453 | (let ((element-writer (writer-function element-type :temp temp))) |
454 | #'(lambda (list location &optional (offset 0)) |
455 | (setf |
456 | (ref-pointer location offset) |
457 | (make-gslist element-writer list)))))) |
458 | |
459 | (define-type-method reader-function ((type gslist) &key (ref :read) inlined) |
460 | (assert-not-inlined type inlined) |
75689fea |
461 | (let ((element-type (second (type-expand-to 'gslist type)))) |
8e0e01e4 |
462 | (ecase ref |
463 | ((:read :peek) |
464 | #'(lambda (location &optional (offset 0)) |
465 | (unless (null-pointer-p (ref-pointer location offset)) |
466 | (map-glist 'list #'identity (ref-pointer location offset) element-type ref)))) |
467 | (:get |
468 | #'(lambda (location &optional (offset 0)) |
469 | (unless (null-pointer-p (ref-pointer location offset)) |
470 | (prog1 |
471 | (map-glist 'list #'identity (ref-pointer location offset) element-type :get) |
472 | (gslist-free (ref-pointer location offset)) |
473 | (setf (ref-pointer location offset) (make-pointer 0))))))))) |
474 | |
475 | (define-type-method destroy-function ((type gslist) &key temp inlined) |
476 | (assert-not-inlined type inlined) |
75689fea |
477 | (let ((element-type (second (type-expand-to 'gslist type)))) |
e8caa25a |
478 | #'(lambda (location &optional (offset 0)) |
8e0e01e4 |
479 | (unless (null-pointer-p (ref-pointer location offset)) |
480 | (destroy-gslist (ref-pointer location offset) element-type temp) |
481 | (setf (ref-pointer location offset) (make-pointer 0)))))) |
482 | |
483 | (define-type-method copy-function ((type gslist) &key inlined) |
484 | (assert-not-inlined type inlined) |
485 | (destructuring-bind (element-type) (rest (type-expand-to 'gslist type)) |
486 | (let ((copy-element (copy-function element-type))) |
487 | #'(lambda (from to &optional (offset 0)) |
488 | (unless (null-pointer-p (ref-pointer from offset)) |
489 | (loop |
490 | as from-list = (ref-pointer from offset) |
491 | then (glist-next from-list) |
492 | as to-list = (setf (ref-pointer to offset) (%gslist-append nil)) |
493 | then (%gslist-append to-list) |
494 | do (funcall copy-element from-list to-list) |
495 | while (glist-next from-list))))))) |