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 1.9 2004-11-06 21:39:58 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 (defun gvalue-init (gvalue type &optional (value nil value-p))
  40   (%gvalue-init gvalue (find-type-number type))
  41   (when value-p
  42     (funcall (writer-function type) value gvalue +gvalue-value-offset+)))
  43
  44 (defun gvalue-new (type &optional (value nil value-p))
  45   (let ((gvalue (allocate-memory +gvalue-size+)))
  46     (if value-p
  47         (gvalue-init gvalue type value)
  48       (gvalue-init gvalue type))
  49     gvalue))
  50
  51 (defun gvalue-free (gvalue &optional (unset-p t))
  52   (unless (null-pointer-p gvalue)
  53     (when unset-p
  54       (gvalue-unset gvalue))
  55     (deallocate-memory gvalue)))
  56
  57 (defun gvalue-type (gvalue)
  58   (type-from-number (system:sap-ref-32 gvalue 0)))
  59
  60 (defun gvalue-get (gvalue)
  61   (funcall (reader-function (gvalue-type gvalue))
  62    gvalue +gvalue-value-offset+))
  63
  64 (defun gvalue-set (gvalue value)
  65   (funcall (writer-function (gvalue-type gvalue))
  66    value gvalue +gvalue-value-offset+)
  67   value)
  68
  69
  70
  71 (deftype param-flag-type ()
  72   '(flags
  73     (:readable 1)
  74     (:writable 2)
  75     (:construct 4)
  76     (:construct-only 8)
  77     (:lax-validation 16)
  78     (:private 32)))
  79
  80 (eval-when (:compile-toplevel :load-toplevel :execute)
  81   (defclass param-spec-class (ginstance-class)
  82     ())
  83
  84   (defmethod validate-superclass
  85       ((class param-spec-class) (super pcl::standard-class))
  86     t ;(subtypep (class-name super) 'param)
  87 ))
  88
  89
  90 (defbinding %param-spec-ref () pointer
  91   (location pointer))
  92
  93 (defbinding %param-spec-unref () nil
  94   (location pointer))
  95
  96 (defmethod reference-foreign ((class param-spec-class) location)
  97   (declare (ignore class))
  98   (%param-spec-ref location))
  99
 100 (defmethod unreference-foreign ((class param-spec-class) location)
 101   (declare (ignore class))
 102   (%param-spec-unref location))
 103
 104
 105
 106 ;; TODO: rename to param-spec
 107 (defclass param (ginstance)
 108   ((name
 109     :allocation :alien
 110     :reader param-name
 111     :type string)
 112    (flags
 113     :allocation :alien
 114     :reader param-flags
 115     :type param-flag-type)
 116    (value-type
 117     :allocation :alien
 118     :reader param-value-type
 119     :type type-number)
 120    (owner-type
 121     :allocation :alien
 122     :reader param-owner-type
 123     :type type-number)
 124    (nickname
 125     :allocation :virtual
 126     :getter "g_param_spec_get_nick"
 127     :reader param-nickname
 128     :type string)
 129    (documentation
 130     :allocation :virtual
 131     :getter "g_param_spec_get_blurb"
 132     :reader param-documentation
 133     :type string))
 134   (:metaclass param-spec-class))
 135
 136
 137 (defclass param-char (param)
 138   ((minimum
 139     :allocation :alien
 140     :reader param-char-minimum
 141     :type char)
 142    (maximum
 143     :allocation :alien
 144     :reader param-char-maximum
 145     :type char)
 146    (default-value
 147     :allocation :alien
 148     :reader param-char-default-value
 149     :type char))
 150   (:metaclass param-spec-class))
 151
 152 (defclass param-unsigned-char (param)
 153   (
 154 ; (minimum
 155 ;     :allocation :alien
 156 ;     :reader param-unsigned-char-minimum
 157 ;     :type unsigned-char)
 158 ;    (maximum
 159 ;     :allocation :alien
 160 ;     :reader param-unsigned-char-maximum
 161 ;     :type unsigned-char)
 162 ;    (default-value
 163 ;     :allocation :alien
 164 ;     :reader param-unsigned-char-default-value
 165 ;     :type unsigned-char)
 166    )
 167   (:metaclass param-spec-class)
 168   (:alien-name "GParamUChar"))
 169
 170 (defclass param-boolean (param)
 171   ((default-value
 172      :allocation :alien
 173      :reader param-boolean-default-value
 174      :type boolean))
 175   (:metaclass param-spec-class))
 176
 177 (defclass param-int (param)
 178   ((minimum
 179     :allocation :alien
 180     :reader param-int-minimum
 181     :type int)
 182    (maximum
 183     :allocation :alien
 184     :reader param-int-maximum
 185     :type int)
 186    (default-value
 187     :allocation :alien
 188     :reader param-int-default-value
 189     :type int))
 190   (:metaclass param-spec-class))
 191
 192 (defclass param-unsigned-int (param)
 193   ((minimum
 194     :allocation :alien
 195     :reader param-unsigned-int-minimum
 196     :type unsigned-int)
 197    (maximum
 198     :allocation :alien
 199     :reader param-unsigned-int-maximum
 200     :type unsigned-int)
 201    (default-value
 202     :allocation :alien
 203     :reader param-unsigned-int-default-value
 204     :type unsigned-int))
 205   (:metaclass param-spec-class)
 206   (:alien-name "GParamUInt"))
 207
 208 (defclass param-long (param)
 209   ((minimum
 210     :allocation :alien
 211     :reader param-long-minimum
 212     :type long)
 213    (maximum
 214     :allocation :alien
 215     :reader param-long-maximum
 216     :type long)
 217    (default-value
 218     :allocation :alien
 219     :reader param-long-default-value
 220     :type long))
 221   (:metaclass param-spec-class))
 222
 223 (defclass param-unsigned-long (param)
 224   ((minimum
 225     :allocation :alien
 226     :reader param-unsigned-long-minimum
 227     :type unsigned-long)
 228    (maximum
 229     :allocation :alien
 230     :reader param-unsigned-long-maximum
 231     :type unsigned-long)
 232    (default-value
 233     :allocation :alien
 234     :reader param-unsigned-long-default-value
 235     :type unsigned-long))
 236   (:metaclass param-spec-class)
 237   (:alien-name "GParamULong"))
 238
 239 (defclass param-unichar (param)
 240   ()
 241   (:metaclass param-spec-class))
 242
 243 (defclass param-enum (param)
 244   ((class
 245     :allocation :alien
 246     :reader param-enum-class
 247     :type pointer)
 248    (default-value
 249     :allocation :alien
 250     :reader param-enum-default-value
 251     :type long))
 252   (:metaclass param-spec-class))
 253
 254 (defclass param-flags (param)
 255   ((class
 256     :allocation :alien
 257     :reader param-flags-class
 258     :type pointer)
 259    (default-value
 260     :allocation :alien
 261     :reader param-flags-default-value
 262     :type long))
 263   (:metaclass param-spec-class))
 264
 265 (defclass param-single-float (param)
 266   ((minimum
 267     :allocation :alien
 268     :reader param-single-float-minimum
 269     :type single-float)
 270    (maximum
 271     :allocation :alien
 272     :reader param-single-float-maximum
 273     :type single-float)
 274    (default-value
 275     :allocation :alien
 276     :reader param-single-float-default-value
 277     :type single-float)
 278    (epsilon
 279     :allocation :alien
 280     :reader param-single-float-epsilon
 281     :type single-float))
 282   (:metaclass param-spec-class)
 283   (:alien-name "GParamFloat"))
 284
 285 (defclass param-double-float (param)
 286   ((minimum
 287     :allocation :alien
 288     :reader param-double-float-minimum
 289     :type double-float)
 290    (maximum
 291     :allocation :alien
 292     :reader param-double-float-maximum
 293     :type double-float)
 294    (default-value
 295     :allocation :alien
 296     :reader param-double-float-default-value
 297     :type double-float)
 298    (epsilon
 299     :allocation :alien
 300     :reader param-double-float-epsilon
 301     :type double-float))
 302   (:metaclass param-spec-class)
 303   (:alien-name "GParamDouble"))
 304
 305 (defclass param-string (param)
 306   ((default-value
 307     :allocation :alien
 308     :reader param-string-default-value
 309     :type string))
 310   (:metaclass param-spec-class))
 311
 312 (defclass param-param (param)
 313   ()
 314   (:metaclass param-spec-class))
 315
 316 (defclass param-boxed (param)
 317   ()
 318   (:metaclass param-spec-class))
 319
 320 (defclass param-pointer (param)
 321   ()
 322   (:metaclass param-spec-class))
 323
 324 (defclass param-value-array (param)
 325   ((element-spec
 326     :allocation :alien
 327     :reader param-value-array-element-spec
 328     :type param)
 329    (length
 330     :allocation :alien
 331     :reader param-value-array-length
 332     :type unsigned-int))
 333   (:metaclass param-spec-class))
 334
 335 ;; (defclass param-closure (param)
 336 ;;   ()
 337 ;;   (:metaclass param-spec-class))
 338
 339 (defclass param-object (param)
 340   ()
 341   (:metaclass param-spec-class))