mdw@git.distorted.org.uk Git - clg/blob - glib/gparam.lisp

   1 ;; Common Lisp bindings for GTK+ v2.x
   2 ;; Copyright 2000-2005 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 1.17 2005-04-23 16:48:51 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 'type-number) (* 2 (size-of 'double-float))))
  35 (defconstant +gvalue-size+ #.(size-of-gvalue))
  36
  37 (defconstant +gvalue-value-offset+ (size-of 'type-number))
  38
  39 (defbinding (%gvalue-init "g_value_init") () nil
  40   (value gvalue)
  41   (type type-number))
  42
  43 (defbinding (gvalue-unset "g_value_unset") () nil
  44   (value gvalue))
  45
  46 (defun gvalue-init (gvalue type &optional (value nil value-p))
  47   (%gvalue-init gvalue (find-type-number type))
  48   (when value-p
  49     (funcall (writer-function type) value gvalue +gvalue-value-offset+)))
  50
  51 (defun gvalue-new (&optional type (value nil value-p))
  52   (let ((gvalue (allocate-memory +gvalue-size+)))
  53     (cond
  54      (value-p (gvalue-init gvalue type value))
  55      (type (gvalue-init gvalue type)))
  56     gvalue))
  57
  58 (defun gvalue-free (gvalue &optional (unset-p t))
  59   (unless (null-pointer-p gvalue)
  60     (when unset-p
  61       (gvalue-unset gvalue))
  62     (deallocate-memory gvalue)))
  63
  64 (defun gvalue-type (gvalue)
  65   (type-from-number (sap-ref-32 gvalue 0)))
  66
  67 (defun gvalue-get (gvalue)
  68   (funcall (reader-function (gvalue-type gvalue))
  69    gvalue +gvalue-value-offset+))
  70
  71 (defun gvalue-set (gvalue value)
  72   (funcall (writer-function (gvalue-type gvalue))
  73    value gvalue +gvalue-value-offset+)
  74   value)
  75
  76 (defbinding (gvalue-p "g_type_check_value") () boolean
  77   (location pointer))
  78
  79 (defmacro with-gvalue ((gvalue &optional type (value nil value-p)) &body body)
  80   `(let ((,gvalue ,(cond
  81                     ((and type value-p) `(gvalue-new ,type ,value))
  82                     (type `(gvalue-new ,type))
  83                     (`(gvalue-new)))))
  84     (unwind-protect
  85          (progn
  86            ,@body
  87            ,(unless value-p `(gvalue-get ,gvalue)))
  88       (gvalue-free ,gvalue))))
  89
  90
  91 (deftype param-flag-type ()
  92   '(flags
  93     (:readable 1)
  94     (:writable 2)
  95     (:construct 4)
  96     (:construct-only 8)
  97     (:lax-validation 16)
  98     (:private 32)))
  99
 100 (eval-when (:compile-toplevel :load-toplevel :execute)
 101   (defclass param-spec-class (ginstance-class)
 102     ())
 103
 104   (defmethod validate-superclass  ((class param-spec-class) (super standard-class))
 105     t ;(subtypep (class-name super) 'param)
 106 ))
 107
 108
 109 (defbinding %param-spec-ref () pointer
 110   (location pointer))
 111
 112 (defbinding %param-spec-unref () nil
 113   (location pointer))
 114
 115 (defmethod reference-foreign ((class param-spec-class) location)
 116   (declare (ignore class))
 117   (%param-spec-ref location))
 118
 119 (defmethod unreference-foreign ((class param-spec-class) location)
 120   (declare (ignore class))
 121   (%param-spec-unref location))
 122
 123
 124
 125 ;; TODO: rename to param-spec
 126 (defclass param (ginstance)
 127   ((name
 128     :allocation :alien
 129     :reader param-name
 130     :type string)
 131    (flags
 132     :allocation :alien
 133     :reader param-flags
 134     :type param-flag-type)
 135    (value-type
 136     :allocation :alien
 137     :reader param-value-type
 138     :type type-number)
 139    (owner-type
 140     :allocation :alien
 141     :reader param-owner-type
 142     :type type-number)
 143    (nickname
 144     :allocation :virtual
 145     :getter "g_param_spec_get_nick"
 146     :reader param-nickname
 147     :type (copy-of string))
 148    (documentation
 149     :allocation :virtual
 150     :getter "g_param_spec_get_blurb"
 151     :reader param-documentation
 152     :type (copy-of string)))
 153   (:metaclass param-spec-class)
 154   (:gtype "GParam"))
 155
 156
 157 (defclass param-char (param)
 158   ((minimum
 159     :allocation :alien
 160     :reader param-char-minimum
 161     :type char)
 162    (maximum
 163     :allocation :alien
 164     :reader param-char-maximum
 165     :type char)
 166    (default-value
 167     :allocation :alien
 168     :reader param-char-default-value
 169     :type char))
 170   (:metaclass param-spec-class)
 171   (:gtype "GParamChar"))
 172
 173 (defclass param-unsigned-char (param)
 174   (
 175 ; (minimum
 176 ;     :allocation :alien
 177 ;     :reader param-unsigned-char-minimum
 178 ;     :type unsigned-char)
 179 ;    (maximum
 180 ;     :allocation :alien
 181 ;     :reader param-unsigned-char-maximum
 182 ;     :type unsigned-char)
 183 ;    (default-value
 184 ;     :allocation :alien
 185 ;     :reader param-unsigned-char-default-value
 186 ;     :type unsigned-char)
 187    )
 188   (:metaclass param-spec-class)
 189   (:gtype "GParamUChar"))
 190
 191 (defclass param-boolean (param)
 192   ((default-value
 193      :allocation :alien
 194      :reader param-boolean-default-value
 195      :type boolean))
 196   (:metaclass param-spec-class)
 197   (:gtype "GParamBoolean"))
 198
 199 (defclass param-int (param)
 200   ((minimum
 201     :allocation :alien
 202     :reader param-int-minimum
 203     :type int)
 204    (maximum
 205     :allocation :alien
 206     :reader param-int-maximum
 207     :type int)
 208    (default-value
 209     :allocation :alien
 210     :reader param-int-default-value
 211     :type int))
 212   (:metaclass param-spec-class)
 213   (:gtype "GParamInt"))
 214
 215 (defclass param-unsigned-int (param)
 216   ((minimum
 217     :allocation :alien
 218     :reader param-unsigned-int-minimum
 219     :type unsigned-int)
 220    (maximum
 221     :allocation :alien
 222     :reader param-unsigned-int-maximum
 223     :type unsigned-int)
 224    (default-value
 225     :allocation :alien
 226     :reader param-unsigned-int-default-value
 227     :type unsigned-int))
 228   (:metaclass param-spec-class)
 229   (:gtype "GParamUInt"))
 230
 231 (defclass param-long (param)
 232   ((minimum
 233     :allocation :alien
 234     :reader param-long-minimum
 235     :type long)
 236    (maximum
 237     :allocation :alien
 238     :reader param-long-maximum
 239     :type long)
 240    (default-value
 241     :allocation :alien
 242     :reader param-long-default-value
 243     :type long))
 244   (:metaclass param-spec-class)
 245   (:gtype "GParam"))
 246
 247 (defclass param-unsigned-long (param)
 248   ((minimum
 249     :allocation :alien
 250     :reader param-unsigned-long-minimum
 251     :type unsigned-long)
 252    (maximum
 253     :allocation :alien
 254     :reader param-unsigned-long-maximum
 255     :type unsigned-long)
 256    (default-value
 257     :allocation :alien
 258     :reader param-unsigned-long-default-value
 259     :type unsigned-long))
 260   (:metaclass param-spec-class)
 261   (:gtype "GParamULong"))
 262
 263 (defclass param-unichar (param)
 264   ()
 265   (:metaclass param-spec-class)
 266   (:gtype "GParamUnichar"))
 267
 268 (defclass param-enum (param)
 269   ((class
 270     :allocation :alien
 271     :reader param-enum-class
 272     :type pointer)
 273    (default-value
 274     :allocation :alien
 275     :reader param-enum-default-value
 276     :type long))
 277   (:metaclass param-spec-class)
 278   (:gtype "GParamEnum"))
 279
 280 (defclass param-flags (param)
 281   ((class
 282     :allocation :alien
 283     :reader param-flags-class
 284     :type pointer)
 285    (default-value
 286     :allocation :alien
 287     :reader param-flags-default-value
 288     :type long))
 289   (:metaclass param-spec-class)
 290   (:gtype "GParamFlags"))
 291
 292 (defclass param-single-float (param)
 293   ((minimum
 294     :allocation :alien
 295     :reader param-single-float-minimum
 296     :type single-float)
 297    (maximum
 298     :allocation :alien
 299     :reader param-single-float-maximum
 300     :type single-float)
 301    (default-value
 302     :allocation :alien
 303     :reader param-single-float-default-value
 304     :type single-float)
 305    (epsilon
 306     :allocation :alien
 307     :reader param-single-float-epsilon
 308     :type single-float))
 309   (:metaclass param-spec-class)
 310   (:gtype "GParamFloat"))
 311
 312 (defclass param-double-float (param)
 313   ((minimum
 314     :allocation :alien
 315     :reader param-double-float-minimum
 316     :type double-float)
 317    (maximum
 318     :allocation :alien
 319     :reader param-double-float-maximum
 320     :type double-float)
 321    (default-value
 322     :allocation :alien
 323     :reader param-double-float-default-value
 324     :type double-float)
 325    (epsilon
 326     :allocation :alien
 327     :reader param-double-float-epsilon
 328     :type double-float))
 329   (:metaclass param-spec-class)
 330   (:gtype "GParamDouble"))
 331
 332 (defclass param-string (param)
 333   ((default-value
 334     :allocation :alien
 335     :reader param-string-default-value
 336     :type string))
 337   (:metaclass param-spec-class)
 338   (:gtype "GParamString"))
 339
 340 (defclass param-param (param)
 341   ()
 342   (:metaclass param-spec-class)
 343   (:gtype "GParamParam"))
 344
 345 (defclass param-boxed (param)
 346   ()
 347   (:metaclass param-spec-class)
 348   (:gtype "GParamBoxed"))
 349
 350 (defclass param-pointer (param)
 351   ()
 352   (:metaclass param-spec-class)
 353   (:gtype "GParamPointer"))
 354
 355 (defclass param-value-array (param)
 356   ((element-spec
 357     :allocation :alien
 358     :reader param-value-array-element-spec
 359     :type param)
 360    (length
 361     :allocation :alien
 362     :reader param-value-array-length
 363     :type unsigned-int))
 364   (:metaclass param-spec-class)
 365   (:gtype "GParamValueArray"))
 366
 367 (defclass param-object (param)
 368   ()
 369   (:metaclass param-spec-class)
 370   (:gtype "GParamObject"))
 371
 372 (defclass param-overrride (param)
 373   ()
 374   (:metaclass param-spec-class)
 375   (:gtype "GParamOverride"))