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

   1 ;; Common Lisp bindings for GTK+ v2.0
   2 ;; Copyright (C) 2000 Espen S. Johnsen <esj@stud.cs.uit.no>
   3 ;;
   4 ;; This library is free software; you can redistribute it and/or
   5 ;; modify it under the terms of the GNU Lesser General Public
   6 ;; License as published by the Free Software Foundation; either
   7 ;; version 2 of the License, or (at your option) any later version.
   8 ;;
   9 ;; This library is distributed in the hope that it will be useful,
  10 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 ;; Lesser General Public License for more details.
  13 ;;
  14 ;; You should have received a copy of the GNU Lesser General Public
  15 ;; License along with this library; if not, write to the Free Software
  16 ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17
  18 ;; $Id: gparam.lisp,v 1.8 2004-10-28 09:33:56 espen Exp $
  19
  20 (in-package "GLIB")
  21
  22 (deftype gvalue () 'pointer)
  23
  24 (eval-when (:compile-toplevel :load-toplevel :execute)
  25   (defbinding (size-of-gvalue "size_of_gvalue") () unsigned-int))
  26
  27 (defconstant +gvalue-size+ (+ (size-of 'type-number) (* 2 (size-of 'double-float))))
  28 (defconstant +gvalue-size+ #.(size-of-gvalue))
  29
  30 (defconstant +gvalue-value-offset+ (size-of 'type-number))
  31
  32 (defbinding (gvalue-init "g_value_init") () nil
  33   (value gvalue)
  34   (type type-number))
  35
  36 (defbinding (gvalue-unset "g_value_unset") () nil
  37   (value gvalue))
  38
  39
  40 (defun gvalue-new (type &optional (value nil value-p))
  41   (let ((gvalue (allocate-memory +gvalue-size+)))
  42     (gvalue-init gvalue (find-type-number type))
  43     (when value-p
  44       (gvalue-set gvalue value))
  45     gvalue))
  46
  47 (defun gvalue-free (gvalue &optional unset-p)
  48   (unless (null-pointer-p gvalue)
  49     (when unset-p
  50       (gvalue-unset gvalue))
  51     (deallocate-memory gvalue)))
  52
  53 (defun gvalue-type (gvalue)
  54   (type-from-number (system:sap-ref-32 gvalue 0)))
  55
  56 (defun gvalue-get (gvalue)
  57   (funcall
  58    (intern-reader-function (gvalue-type gvalue))
  59    gvalue +gvalue-value-offset+))
  60
  61 (defun gvalue-set (gvalue value)
  62   (funcall
  63    (intern-writer-function (gvalue-type gvalue))
  64    value gvalue +gvalue-value-offset+)
  65   value)
  66
  67
  68 (deftype-method unreference-alien gvalue (type-spec location)
  69   `(gvalue-free ,location nil))
  70
  71
  72
  73 (deftype param-flag-type ()
  74   '(flags
  75     (:readable 1)
  76     (:writable 2)
  77     (:construct 4)
  78     (:construct-only 8)
  79     (:lax-validation 16)
  80     (:private 32)))
  81
  82 ;(eval-when (:compile-toplevel :load-toplevel :execute)
  83 ;; TODO: rename to param-spec
  84   (defclass param (ginstance)
  85     ((name
  86       :allocation :alien
  87       :reader param-name
  88       :type string)
  89      (flags
  90       :allocation :alien
  91       :reader param-flags
  92       :type param-flag-type)
  93      (value-type
  94       :allocation :alien
  95       :reader param-value-type
  96       :type type-number)
  97      (owner-type
  98       :allocation :alien
  99       :reader param-owner-type
 100       :type type-number)
 101      (nickname
 102       :allocation :virtual
 103       :getter "g_param_spec_get_nick"
 104       :reader param-nickname
 105       :type string)
 106      (documentation
 107       :allocation :virtual
 108       :getter "g_param_spec_get_blurb"
 109       :reader param-documentation
 110       :type string))
 111     (:metaclass ginstance-class)
 112     (:ref "g_param_spec_ref")
 113     (:unref "g_param_spec_unref"));)
 114
 115
 116 (defclass param-char (param)
 117   ((minimum
 118     :allocation :alien
 119     :reader param-char-minimum
 120     :type char)
 121    (maximum
 122     :allocation :alien
 123     :reader param-char-maximum
 124     :type char)
 125    (default-value
 126     :allocation :alien
 127     :reader param-char-default-value
 128     :type char))
 129   (:metaclass ginstance-class))
 130
 131 (defclass param-unsigned-char (param)
 132   (
 133 ; (minimum
 134 ;     :allocation :alien
 135 ;     :reader param-unsigned-char-minimum
 136 ;     :type unsigned-char)
 137 ;    (maximum
 138 ;     :allocation :alien
 139 ;     :reader param-unsigned-char-maximum
 140 ;     :type unsigned-char)
 141 ;    (default-value
 142 ;     :allocation :alien
 143 ;     :reader param-unsigned-char-default-value
 144 ;     :type unsigned-char)
 145    )
 146   (:metaclass ginstance-class)
 147   (:alien-name "GParamUChar"))
 148
 149 (defclass param-boolean (param)
 150   ((default-value
 151      :allocation :alien
 152      :reader param-boolean-default-value
 153      :type boolean))
 154   (:metaclass ginstance-class))
 155
 156 (defclass param-int (param)
 157   ((minimum
 158     :allocation :alien
 159     :reader param-int-minimum
 160     :type int)
 161    (maximum
 162     :allocation :alien
 163     :reader param-int-maximum
 164     :type int)
 165    (default-value
 166     :allocation :alien
 167     :reader param-int-default-value
 168     :type int))
 169   (:metaclass ginstance-class))
 170
 171 (defclass param-unsigned-int (param)
 172   ((minimum
 173     :allocation :alien
 174     :reader param-unsigned-int-minimum
 175     :type unsigned-int)
 176    (maximum
 177     :allocation :alien
 178     :reader param-unsigned-int-maximum
 179     :type unsigned-int)
 180    (default-value
 181     :allocation :alien
 182     :reader param-unsigned-int-default-value
 183     :type unsigned-int))
 184   (:metaclass ginstance-class)
 185   (:alien-name "GParamUInt"))
 186
 187 (defclass param-long (param)
 188   ((minimum
 189     :allocation :alien
 190     :reader param-long-minimum
 191     :type long)
 192    (maximum
 193     :allocation :alien
 194     :reader param-long-maximum
 195     :type long)
 196    (default-value
 197     :allocation :alien
 198     :reader param-long-default-value
 199     :type long))
 200   (:metaclass ginstance-class))
 201
 202 (defclass param-unsigned-long (param)
 203   ((minimum
 204     :allocation :alien
 205     :reader param-unsigned-long-minimum
 206     :type unsigned-long)
 207    (maximum
 208     :allocation :alien
 209     :reader param-unsigned-long-maximum
 210     :type unsigned-long)
 211    (default-value
 212     :allocation :alien
 213     :reader param-unsigned-long-default-value
 214     :type unsigned-long))
 215   (:metaclass ginstance-class)
 216   (:alien-name "GParamULong"))
 217
 218 (defclass param-unichar (param)
 219   ()
 220   (:metaclass ginstance-class))
 221
 222 (defclass param-enum (param)
 223   ((class
 224     :allocation :alien
 225     :reader param-enum-class
 226     :type pointer)
 227    (default-value
 228     :allocation :alien
 229     :reader param-enum-default-value
 230     :type long))
 231   (:metaclass ginstance-class))
 232
 233 (defclass param-flags (param)
 234   ((class
 235     :allocation :alien
 236     :reader param-flags-class
 237     :type pointer)
 238    (default-value
 239     :allocation :alien
 240     :reader param-flags-default-value
 241     :type long))
 242   (:metaclass ginstance-class))
 243
 244 (defclass param-single-float (param)
 245   ((minimum
 246     :allocation :alien
 247     :reader param-single-float-minimum
 248     :type single-float)
 249    (maximum
 250     :allocation :alien
 251     :reader param-single-float-maximum
 252     :type single-float)
 253    (default-value
 254     :allocation :alien
 255     :reader param-single-float-default-value
 256     :type single-float)
 257    (epsilon
 258     :allocation :alien
 259     :reader param-single-float-epsilon
 260     :type single-float))
 261   (:metaclass ginstance-class)
 262   (:alien-name "GParamFloat"))
 263
 264 (defclass param-double-float (param)
 265   ((minimum
 266     :allocation :alien
 267     :reader param-double-float-minimum
 268     :type double-float)
 269    (maximum
 270     :allocation :alien
 271     :reader param-double-float-maximum
 272     :type double-float)
 273    (default-value
 274     :allocation :alien
 275     :reader param-double-float-default-value
 276     :type double-float)
 277    (epsilon
 278     :allocation :alien
 279     :reader param-double-float-epsilon
 280     :type double-float))
 281   (:metaclass ginstance-class)
 282   (:alien-name "GParamDouble"))
 283
 284 (defclass param-string (param)
 285   ((default-value
 286     :allocation :alien
 287     :reader param-string-default-value
 288     :type string))
 289   (:metaclass ginstance-class))
 290
 291 (defclass param-param (param)
 292   ()
 293   (:metaclass ginstance-class))
 294
 295 (defclass param-boxed (param)
 296   ()
 297   (:metaclass ginstance-class))
 298
 299 (defclass param-pointer (param)
 300   ()
 301   (:metaclass ginstance-class))
 302
 303 (defclass param-value-array (param)
 304   ((element-spec
 305     :allocation :alien
 306     :reader param-value-array-element-spec
 307     :type param)
 308    (length
 309     :allocation :alien
 310     :reader param-value-array-length
 311     :type unsigned-int))
 312   (:metaclass ginstance-class))
 313
 314 ;; (defclass param-closure (param)
 315 ;;   ()
 316 ;;   (:metaclass ginstance-class))
 317
 318 (defclass param-object (param)
 319   ()
 320   (:metaclass ginstance-class))