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 1.7 2004-10-27 14:59:00 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 (defun gvalue-new (type &optional (value nil value-p))
  37   (let ((gvalue (allocate-memory +gvalue-size+)))
  38     (gvalue-init gvalue (find-type-number type))
  39     (when value-p
  40       (gvalue-set gvalue value))
  41     gvalue))
  42
  43 (defun gvalue-free (gvalue free-content)
  44   (unless (null-pointer-p gvalue)
  45     (when free-content
  46       (funcall
  47        (intern-destroy-function (gvalue-type gvalue))
  48        gvalue +gvalue-value-offset+))
  49     (deallocate-memory gvalue)))
  50
  51 (defun gvalue-type (gvalue)
  52   (type-from-number (system:sap-ref-32 gvalue 0)))
  53
  54 (defun gvalue-get (gvalue)
  55   (funcall
  56    (intern-reader-function (gvalue-type gvalue))
  57    gvalue +gvalue-value-offset+))
  58
  59 (defun gvalue-set (gvalue value)
  60   (funcall
  61    (intern-writer-function (gvalue-type gvalue))
  62    value gvalue +gvalue-value-offset+)
  63   value)
  64
  65
  66 (deftype-method unreference-alien gvalue (type-spec location)
  67   `(gvalue-free ,location nil))
  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 ;; TODO: rename to param-spec
  82   (defclass param (ginstance)
  83     ((name
  84       :allocation :alien
  85       :reader param-name
  86       :type string)
  87      (flags
  88       :allocation :alien
  89       :reader param-flags
  90       :type param-flag-type)
  91      (value-type
  92       :allocation :alien
  93       :reader param-value-type
  94       :type type-number)
  95      (owner-type
  96       :allocation :alien
  97       :reader param-owner-type
  98       :type type-number)
  99      (nickname
 100       :allocation :virtual
 101       :getter "g_param_spec_get_nick"
 102       :reader param-nickname
 103       :type string)
 104      (documentation
 105       :allocation :virtual
 106       :getter "g_param_spec_get_blurb"
 107       :reader param-documentation
 108       :type string))
 109     (:metaclass ginstance-class)
 110     (:ref "g_param_spec_ref")
 111     (:unref "g_param_spec_unref"));)
 112
 113
 114 (defclass param-char (param)
 115   ((minimum
 116     :allocation :alien
 117     :reader param-char-minimum
 118     :type char)
 119    (maximum
 120     :allocation :alien
 121     :reader param-char-maximum
 122     :type char)
 123    (default-value
 124     :allocation :alien
 125     :reader param-char-default-value
 126     :type char))
 127   (:metaclass ginstance-class))
 128
 129 (defclass param-unsigned-char (param)
 130   (
 131 ; (minimum
 132 ;     :allocation :alien
 133 ;     :reader param-unsigned-char-minimum
 134 ;     :type unsigned-char)
 135 ;    (maximum
 136 ;     :allocation :alien
 137 ;     :reader param-unsigned-char-maximum
 138 ;     :type unsigned-char)
 139 ;    (default-value
 140 ;     :allocation :alien
 141 ;     :reader param-unsigned-char-default-value
 142 ;     :type unsigned-char)
 143    )
 144   (:metaclass ginstance-class)
 145   (:alien-name "GParamUChar"))
 146
 147 (defclass param-boolean (param)
 148   ((default-value
 149      :allocation :alien
 150      :reader param-boolean-default-value
 151      :type boolean))
 152   (:metaclass ginstance-class))
 153
 154 (defclass param-int (param)
 155   ((minimum
 156     :allocation :alien
 157     :reader param-int-minimum
 158     :type int)
 159    (maximum
 160     :allocation :alien
 161     :reader param-int-maximum
 162     :type int)
 163    (default-value
 164     :allocation :alien
 165     :reader param-int-default-value
 166     :type int))
 167   (:metaclass ginstance-class))
 168
 169 (defclass param-unsigned-int (param)
 170   ((minimum
 171     :allocation :alien
 172     :reader param-unsigned-int-minimum
 173     :type unsigned-int)
 174    (maximum
 175     :allocation :alien
 176     :reader param-unsigned-int-maximum
 177     :type unsigned-int)
 178    (default-value
 179     :allocation :alien
 180     :reader param-unsigned-int-default-value
 181     :type unsigned-int))
 182   (:metaclass ginstance-class)
 183   (:alien-name "GParamUInt"))
 184
 185 (defclass param-long (param)
 186   ((minimum
 187     :allocation :alien
 188     :reader param-long-minimum
 189     :type long)
 190    (maximum
 191     :allocation :alien
 192     :reader param-long-maximum
 193     :type long)
 194    (default-value
 195     :allocation :alien
 196     :reader param-long-default-value
 197     :type long))
 198   (:metaclass ginstance-class))
 199
 200 (defclass param-unsigned-long (param)
 201   ((minimum
 202     :allocation :alien
 203     :reader param-unsigned-long-minimum
 204     :type unsigned-long)
 205    (maximum
 206     :allocation :alien
 207     :reader param-unsigned-long-maximum
 208     :type unsigned-long)
 209    (default-value
 210     :allocation :alien
 211     :reader param-unsigned-long-default-value
 212     :type unsigned-long))
 213   (:metaclass ginstance-class)
 214   (:alien-name "GParamULong"))
 215
 216 (defclass param-unichar (param)
 217   ()
 218   (:metaclass ginstance-class))
 219
 220 (defclass param-enum (param)
 221   ((class
 222     :allocation :alien
 223     :reader param-enum-class
 224     :type pointer)
 225    (default-value
 226     :allocation :alien
 227     :reader param-enum-default-value
 228     :type long))
 229   (:metaclass ginstance-class))
 230
 231 (defclass param-flags (param)
 232   ((class
 233     :allocation :alien
 234     :reader param-flags-class
 235     :type pointer)
 236    (default-value
 237     :allocation :alien
 238     :reader param-flags-default-value
 239     :type long))
 240   (:metaclass ginstance-class))
 241
 242 (defclass param-single-float (param)
 243   ((minimum
 244     :allocation :alien
 245     :reader param-single-float-minimum
 246     :type single-float)
 247    (maximum
 248     :allocation :alien
 249     :reader param-single-float-maximum
 250     :type single-float)
 251    (default-value
 252     :allocation :alien
 253     :reader param-single-float-default-value
 254     :type single-float)
 255    (epsilon
 256     :allocation :alien
 257     :reader param-single-float-epsilon
 258     :type single-float))
 259   (:metaclass ginstance-class)
 260   (:alien-name "GParamFloat"))
 261
 262 (defclass param-double-float (param)
 263   ((minimum
 264     :allocation :alien
 265     :reader param-double-float-minimum
 266     :type double-float)
 267    (maximum
 268     :allocation :alien
 269     :reader param-double-float-maximum
 270     :type double-float)
 271    (default-value
 272     :allocation :alien
 273     :reader param-double-float-default-value
 274     :type double-float)
 275    (epsilon
 276     :allocation :alien
 277     :reader param-double-float-epsilon
 278     :type double-float))
 279   (:metaclass ginstance-class)
 280   (:alien-name "GParamDouble"))
 281
 282 (defclass param-string (param)
 283   ((default-value
 284     :allocation :alien
 285     :reader param-string-default-value
 286     :type string))
 287   (:metaclass ginstance-class))
 288
 289 (defclass param-param (param)
 290   ()
 291   (:metaclass ginstance-class))
 292
 293 (defclass param-boxed (param)
 294   ()
 295   (:metaclass ginstance-class))
 296
 297 (defclass param-pointer (param)
 298   ()
 299   (:metaclass ginstance-class))
 300
 301 (defclass param-value-array (param)
 302   ((element-spec
 303     :allocation :alien
 304     :reader param-value-array-element-spec
 305     :type param)
 306    (length
 307     :allocation :alien
 308     :reader param-value-array-length
 309     :type unsigned-int))
 310   (:metaclass ginstance-class))
 311
 312 ;; (defclass param-closure (param)
 313 ;;   ()
 314 ;;   (:metaclass ginstance-class))
 315
 316 (defclass param-object (param)
 317   ()
 318   (:metaclass ginstance-class))