| 1 | ;; Common Lisp bindings for GTK+ v2.x |
| 2 | ;; Copyright 2000-2006 Espen S. Johnsen <espen@users.sf.net> |
| 3 | ;; |
| 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: |
| 11 | ;; |
| 12 | ;; The above copyright notice and this permission notice shall be |
| 13 | ;; included in all copies or substantial portions of the Software. |
| 14 | ;; |
| 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 | |
| 23 | ;; $Id: gparam.lisp,v 1.23 2007/05/10 20:26:33 espen Exp $ |
| 24 | |
| 25 | (in-package "GLIB") |
| 26 | |
| 27 | (deftype gvalue () 'pointer) |
| 28 | |
| 29 | (register-type 'gvalue '|g_value_get_type|) |
| 30 | |
| 31 | (eval-when (:compile-toplevel :load-toplevel :execute) |
| 32 | (defbinding (size-of-gvalue "size_of_gvalue") () unsigned-int)) |
| 33 | |
| 34 | (defconstant +gvalue-size+ (size-of-gvalue)) |
| 35 | (defconstant +gvalue-value-offset+ |
| 36 | (max (size-of 'type-number) (type-alignment 'type-number))) |
| 37 | |
| 38 | (defbinding (%gvalue-init "g_value_init") () nil |
| 39 | (value gvalue) |
| 40 | (type type-number)) |
| 41 | |
| 42 | (defbinding (gvalue-unset "g_value_unset") () nil |
| 43 | (value gvalue)) |
| 44 | |
| 45 | (defun gvalue-init (gvalue type &optional (value nil value-p)) |
| 46 | (%gvalue-init gvalue (find-type-number type)) |
| 47 | (when value-p |
| 48 | (funcall (writer-function type) value gvalue +gvalue-value-offset+))) |
| 49 | |
| 50 | (defun gvalue-new (&optional type (value nil value-p)) |
| 51 | (let ((gvalue (allocate-memory +gvalue-size+))) |
| 52 | (cond |
| 53 | (value-p (gvalue-init gvalue type value)) |
| 54 | (type (gvalue-init gvalue type))) |
| 55 | gvalue)) |
| 56 | |
| 57 | (defun gvalue-free (gvalue &optional (unset-p t)) |
| 58 | (unless (null-pointer-p gvalue) |
| 59 | (when unset-p |
| 60 | (gvalue-unset gvalue)) |
| 61 | (deallocate-memory gvalue))) |
| 62 | |
| 63 | (defun gvalue-type (gvalue) |
| 64 | ;; We need to search for the for the most specific known type |
| 65 | ;; because internal types, unknown to Lisp, may be passed in GValues |
| 66 | (labels ((find-most-specific-known-type (type) |
| 67 | (or |
| 68 | (type-from-number type) |
| 69 | (let ((parent (type-parent type))) |
| 70 | (unless (zerop parent) |
| 71 | (find-most-specific-known-type parent)))))) |
| 72 | (or |
| 73 | (find-most-specific-known-type (ref-type-number gvalue)) |
| 74 | ;; This will signal an error if the type hierarchy is unknown |
| 75 | (type-from-number (ref-type-number gvalue) t)))) |
| 76 | |
| 77 | (defun gvalue-get (gvalue) |
| 78 | (funcall (reader-function (gvalue-type gvalue)) |
| 79 | gvalue +gvalue-value-offset+)) |
| 80 | |
| 81 | (defun gvalue-peek (gvalue) |
| 82 | (funcall (reader-function (gvalue-type gvalue) :ref :peek) |
| 83 | gvalue +gvalue-value-offset+)) |
| 84 | |
| 85 | (defun gvalue-take (gvalue) |
| 86 | (funcall (reader-function (gvalue-type gvalue) :ref :get) |
| 87 | gvalue +gvalue-value-offset+)) |
| 88 | |
| 89 | (defun gvalue-set (gvalue value) |
| 90 | (funcall (writer-function (gvalue-type gvalue)) |
| 91 | value gvalue +gvalue-value-offset+) |
| 92 | value) |
| 93 | |
| 94 | (defbinding (gvalue-p "g_type_check_value") () boolean |
| 95 | (location pointer)) |
| 96 | |
| 97 | (defmacro with-gvalue ((gvalue &optional type (value nil value-p)) &body body) |
| 98 | `(with-memory (,gvalue +gvalue-size+) |
| 99 | ,(cond |
| 100 | ((and type value-p) `(gvalue-init ,gvalue ,type ,value)) |
| 101 | (type `(gvalue-init ,gvalue ,type))) |
| 102 | ,@body |
| 103 | ,(unless value-p `(gvalue-take ,gvalue)))) |
| 104 | |
| 105 | |
| 106 | (deftype param-flag-type () |
| 107 | '(flags |
| 108 | (:readable 1) |
| 109 | (:writable 2) |
| 110 | (:construct 4) |
| 111 | (:construct-only 8) |
| 112 | (:lax-validation 16) |
| 113 | (:private 32))) |
| 114 | |
| 115 | (eval-when (:compile-toplevel :load-toplevel :execute) |
| 116 | (defclass param-spec-class (ginstance-class) |
| 117 | ()) |
| 118 | |
| 119 | (defmethod shared-initialize ((class param-spec-class) names &rest initargs) |
| 120 | (declare (ignore names initargs)) |
| 121 | (call-next-method) |
| 122 | (unless (slot-boundp class 'ref) |
| 123 | (setf (slot-value class 'ref) '%param-spec-ref)) |
| 124 | (unless (slot-boundp class 'unref) |
| 125 | (setf (slot-value class 'unref) '%param-spec-unref))) |
| 126 | |
| 127 | (defmethod validate-superclass ((class param-spec-class) (super standard-class)) |
| 128 | t ;(subtypep (class-name super) 'param) |
| 129 | )) |
| 130 | |
| 131 | |
| 132 | (defbinding %param-spec-ref () pointer |
| 133 | (location pointer)) |
| 134 | |
| 135 | (defbinding %param-spec-unref () nil |
| 136 | (location pointer)) |
| 137 | |
| 138 | |
| 139 | ;; TODO: rename to param-spec |
| 140 | (defclass param (ginstance) |
| 141 | ((name |
| 142 | :allocation :alien |
| 143 | :reader param-name |
| 144 | :type string) |
| 145 | (flags |
| 146 | :allocation :alien |
| 147 | :reader param-flags |
| 148 | :type param-flag-type) |
| 149 | (value-type |
| 150 | :allocation :alien |
| 151 | :reader param-value-type |
| 152 | :type type-number) |
| 153 | (owner-type |
| 154 | :allocation :alien |
| 155 | :reader param-owner-type |
| 156 | :type type-number) |
| 157 | (nickname |
| 158 | :allocation :virtual |
| 159 | :getter "g_param_spec_get_nick" |
| 160 | :reader param-nickname |
| 161 | :type (copy-of string)) |
| 162 | (documentation |
| 163 | :allocation :virtual |
| 164 | :getter "g_param_spec_get_blurb" |
| 165 | :reader param-documentation |
| 166 | :type (copy-of string))) |
| 167 | (:metaclass param-spec-class) |
| 168 | (:gtype "GParam")) |
| 169 | |
| 170 | |
| 171 | (defclass param-char (param) |
| 172 | ((minimum |
| 173 | :allocation :alien |
| 174 | :reader param-minimum |
| 175 | :type char) |
| 176 | (maximum |
| 177 | :allocation :alien |
| 178 | :reader param-maximum |
| 179 | :type char) |
| 180 | (default-value |
| 181 | :allocation :alien |
| 182 | :reader param-default-value |
| 183 | :type char)) |
| 184 | (:metaclass param-spec-class) |
| 185 | (:gtype "GParamChar")) |
| 186 | |
| 187 | (defclass param-unsigned-char (param) |
| 188 | ( |
| 189 | ; (minimum |
| 190 | ; :allocation :alien |
| 191 | ; :reader param-unsigned-char-minimum |
| 192 | ; :type unsigned-char) |
| 193 | ; (maximum |
| 194 | ; :allocation :alien |
| 195 | ; :reader param-unsigned-char-maximum |
| 196 | ; :type unsigned-char) |
| 197 | ; (default-value |
| 198 | ; :allocation :alien |
| 199 | ; :reader param-unsigned-char-default-value |
| 200 | ; :type unsigned-char) |
| 201 | ) |
| 202 | (:metaclass param-spec-class) |
| 203 | (:gtype "GParamUChar")) |
| 204 | |
| 205 | (defclass param-boolean (param) |
| 206 | ((default-value |
| 207 | :allocation :alien |
| 208 | :reader param-default-value |
| 209 | :type boolean)) |
| 210 | (:metaclass param-spec-class) |
| 211 | (:gtype "GParamBoolean")) |
| 212 | |
| 213 | (defclass param-int (param) |
| 214 | ((minimum |
| 215 | :allocation :alien |
| 216 | :reader param-minimum |
| 217 | :type int) |
| 218 | (maximum |
| 219 | :allocation :alien |
| 220 | :reader param-maximum |
| 221 | :type int) |
| 222 | (default-value |
| 223 | :allocation :alien |
| 224 | :reader param-default-value |
| 225 | :type int)) |
| 226 | (:metaclass param-spec-class) |
| 227 | (:gtype "GParamInt")) |
| 228 | |
| 229 | (defclass param-unsigned-int (param) |
| 230 | ((minimum |
| 231 | :allocation :alien |
| 232 | :reader param-minimum |
| 233 | :type unsigned-int) |
| 234 | (maximum |
| 235 | :allocation :alien |
| 236 | :reader param-maximum |
| 237 | :type unsigned-int) |
| 238 | (default-value |
| 239 | :allocation :alien |
| 240 | :reader param-default-value |
| 241 | :type unsigned-int)) |
| 242 | (:metaclass param-spec-class) |
| 243 | (:gtype "GParamUInt")) |
| 244 | |
| 245 | (defclass param-long (param) |
| 246 | ((minimum |
| 247 | :allocation :alien |
| 248 | :reader param-minimum |
| 249 | :type long) |
| 250 | (maximum |
| 251 | :allocation :alien |
| 252 | :reader param-maximum |
| 253 | :type long) |
| 254 | (default-value |
| 255 | :allocation :alien |
| 256 | :reader param-default-value |
| 257 | :type long)) |
| 258 | (:metaclass param-spec-class) |
| 259 | (:gtype "GParam")) |
| 260 | |
| 261 | (defclass param-unsigned-long (param) |
| 262 | ((minimum |
| 263 | :allocation :alien |
| 264 | :reader param-minimum |
| 265 | :type unsigned-long) |
| 266 | (maximum |
| 267 | :allocation :alien |
| 268 | :reader param-maximum |
| 269 | :type unsigned-long) |
| 270 | (default-value |
| 271 | :allocation :alien |
| 272 | :reader param-default-value |
| 273 | :type unsigned-long)) |
| 274 | (:metaclass param-spec-class) |
| 275 | (:gtype "GParamULong")) |
| 276 | |
| 277 | (defclass param-unichar (param) |
| 278 | () |
| 279 | (:metaclass param-spec-class) |
| 280 | (:gtype "GParamUnichar")) |
| 281 | |
| 282 | (defclass param-enum (param) |
| 283 | ((class |
| 284 | :allocation :alien |
| 285 | :reader param-enum-class |
| 286 | :type pointer) |
| 287 | (default-value |
| 288 | :allocation :alien |
| 289 | :reader param-default-value |
| 290 | :type long)) |
| 291 | (:metaclass param-spec-class) |
| 292 | (:gtype "GParamEnum")) |
| 293 | |
| 294 | (defclass param-flags (param) |
| 295 | ((class |
| 296 | :allocation :alien |
| 297 | :reader param-flags-class |
| 298 | :type pointer) |
| 299 | (default-value |
| 300 | :allocation :alien |
| 301 | :reader param-default-value |
| 302 | :type long)) |
| 303 | (:metaclass param-spec-class) |
| 304 | (:gtype "GParamFlags")) |
| 305 | |
| 306 | (defclass param-single-float (param) |
| 307 | ((minimum |
| 308 | :allocation :alien |
| 309 | :reader param-minimum |
| 310 | :type single-float) |
| 311 | (maximum |
| 312 | :allocation :alien |
| 313 | :reader param-maximum |
| 314 | :type single-float) |
| 315 | (default-value |
| 316 | :allocation :alien |
| 317 | :reader param-default-value |
| 318 | :type single-float) |
| 319 | (epsilon |
| 320 | :allocation :alien |
| 321 | :reader param-float-epsilon |
| 322 | :type single-float)) |
| 323 | (:metaclass param-spec-class) |
| 324 | (:gtype "GParamFloat")) |
| 325 | |
| 326 | (defclass param-double-float (param) |
| 327 | ((minimum |
| 328 | :allocation :alien |
| 329 | :reader param-minimum |
| 330 | :type double-float) |
| 331 | (maximum |
| 332 | :allocation :alien |
| 333 | :reader param-maximum |
| 334 | :type double-float) |
| 335 | (default-value |
| 336 | :allocation :alien |
| 337 | :reader param-default-value |
| 338 | :type double-float) |
| 339 | (epsilon |
| 340 | :allocation :alien |
| 341 | :reader param-float-epsilon |
| 342 | :type double-float)) |
| 343 | (:metaclass param-spec-class) |
| 344 | (:gtype "GParamDouble")) |
| 345 | |
| 346 | (defclass param-string (param) |
| 347 | ((default-value |
| 348 | :allocation :alien |
| 349 | :reader param-default-value |
| 350 | :type string)) |
| 351 | (:metaclass param-spec-class) |
| 352 | (:gtype "GParamString")) |
| 353 | |
| 354 | (defclass param-param (param) |
| 355 | () |
| 356 | (:metaclass param-spec-class) |
| 357 | (:gtype "GParamParam")) |
| 358 | |
| 359 | (defclass param-boxed (param) |
| 360 | () |
| 361 | (:metaclass param-spec-class) |
| 362 | (:gtype "GParamBoxed")) |
| 363 | |
| 364 | (defclass param-pointer (param) |
| 365 | () |
| 366 | (:metaclass param-spec-class) |
| 367 | (:gtype "GParamPointer")) |
| 368 | |
| 369 | (defclass param-value-array (param) |
| 370 | ((element-spec |
| 371 | :allocation :alien |
| 372 | :reader param-value-array-element-spec |
| 373 | :type param) |
| 374 | (length |
| 375 | :allocation :alien |
| 376 | :reader param-value-array-length |
| 377 | :type unsigned-int)) |
| 378 | (:metaclass param-spec-class) |
| 379 | (:gtype "GParamValueArray")) |
| 380 | |
| 381 | (defclass param-object (param) |
| 382 | () |
| 383 | (:metaclass param-spec-class) |
| 384 | (:gtype "GParamObject")) |
| 385 | |
| 386 | (defclass param-overrride (param) |
| 387 | () |
| 388 | (:metaclass param-spec-class) |
| 389 | (:gtype "GParamOverride")) |