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1 | ;; Common Lisp bindings for GTK+ v2.x |
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2 | ;; Copyright 2000-2006 Espen S. Johnsen <espen@users.sf.net> |
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3 | ;; |
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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: |
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11 | ;; |
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12 | ;; The above copyright notice and this permission notice shall be |
13 | ;; included in all copies or substantial portions of the Software. |
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14 | ;; |
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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. |
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22 | |
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23 | ;; $Id: gparam.lisp,v 1.26 2007-08-20 10:50:25 espen Exp $ |
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24 | |
25 | (in-package "GLIB") |
26 | |
27 | (deftype gvalue () 'pointer) |
28 | |
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29 | (register-type 'gvalue '|g_value_get_type|) |
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30 | |
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31 | (eval-when (:compile-toplevel :load-toplevel :execute) |
32 | (defbinding (size-of-gvalue "size_of_gvalue") () unsigned-int)) |
33 | |
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34 | (defconstant +gvalue-size+ (size-of-gvalue)) |
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35 | (defconstant +gvalue-value-offset+ |
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36 | (max (size-of 'type-number) (type-alignment '(unsigned-byte 64)))) |
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37 | |
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38 | (defbinding (%gvalue-init "g_value_init") () nil |
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39 | (value gvalue) |
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40 | (type type-number)) |
41 | |
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42 | (defbinding (gvalue-unset "g_value_unset") () nil |
43 | (value gvalue)) |
44 | |
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45 | (defun gvalue-init (gvalue type &optional (value nil value-p) temp-p) |
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46 | (%gvalue-init gvalue (find-type-number type)) |
47 | (when value-p |
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48 | (funcall (writer-function type :temp temp-p) value gvalue +gvalue-value-offset+))) |
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49 | |
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50 | (defun gvalue-new (&optional type (value nil value-p)) |
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51 | (let ((gvalue (allocate-memory +gvalue-size+))) |
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52 | (cond |
53 | (value-p (gvalue-init gvalue type value)) |
54 | (type (gvalue-init gvalue type))) |
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55 | gvalue)) |
56 | |
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57 | (defun gvalue-free (gvalue &optional (unset-p t)) |
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58 | (unless (null-pointer-p gvalue) |
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59 | (when unset-p |
60 | (gvalue-unset gvalue)) |
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61 | (deallocate-memory gvalue))) |
62 | |
63 | (defun gvalue-type (gvalue) |
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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)))))) |
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72 | (let ((type-number (ref-type-number gvalue))) |
73 | (unless (zerop type-number) |
74 | (or |
75 | (find-most-specific-known-type type-number) |
76 | ;; This will signal an error if the type hierarchy is unknown |
77 | (type-from-number type-number t)))))) |
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78 | |
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79 | (defun gvalue-get (gvalue) |
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80 | (funcall (reader-function (gvalue-type gvalue)) |
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81 | gvalue +gvalue-value-offset+)) |
82 | |
83 | (defun gvalue-peek (gvalue) |
84 | (funcall (reader-function (gvalue-type gvalue) :ref :peek) |
85 | gvalue +gvalue-value-offset+)) |
86 | |
87 | (defun gvalue-take (gvalue) |
88 | (funcall (reader-function (gvalue-type gvalue) :ref :get) |
89 | gvalue +gvalue-value-offset+)) |
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90 | |
91 | (defun gvalue-set (gvalue value) |
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92 | (funcall (writer-function (gvalue-type gvalue)) |
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93 | value gvalue +gvalue-value-offset+) |
94 | value) |
95 | |
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96 | (defbinding (gvalue-p "g_type_check_value") () boolean |
97 | (location pointer)) |
98 | |
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99 | (defmacro with-gvalue ((gvalue &optional type (value nil value-p)) &body body) |
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100 | `(with-memory (,gvalue +gvalue-size+) |
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101 | ,(cond |
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102 | ((and type value-p) `(gvalue-init ,gvalue ,type ,value t)) |
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103 | (type `(gvalue-init ,gvalue ,type))) |
104 | ,@body |
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105 | ,(unless value-p `(gvalue-take ,gvalue)))) |
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106 | |
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107 | |
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108 | (deftype param-flag-type () |
109 | '(flags |
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110 | (:readable 1) |
111 | (:writable 2) |
112 | (:construct 4) |
113 | (:construct-only 8) |
114 | (:lax-validation 16) |
115 | (:private 32))) |
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116 | |
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117 | (eval-when (:compile-toplevel :load-toplevel :execute) |
118 | (defclass param-spec-class (ginstance-class) |
119 | ()) |
120 | |
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121 | (defmethod shared-initialize ((class param-spec-class) names &rest initargs) |
122 | (declare (ignore names initargs)) |
123 | (call-next-method) |
124 | (unless (slot-boundp class 'ref) |
125 | (setf (slot-value class 'ref) '%param-spec-ref)) |
126 | (unless (slot-boundp class 'unref) |
127 | (setf (slot-value class 'unref) '%param-spec-unref))) |
128 | |
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129 | (defmethod validate-superclass ((class param-spec-class) (super standard-class)) |
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130 | t ;(subtypep (class-name super) 'param) |
131 | )) |
132 | |
133 | |
134 | (defbinding %param-spec-ref () pointer |
135 | (location pointer)) |
136 | |
137 | (defbinding %param-spec-unref () nil |
138 | (location pointer)) |
139 | |
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140 | |
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141 | ;; TODO: rename to param-spec |
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142 | (defclass param (ginstance) |
143 | ((name |
144 | :allocation :alien |
145 | :reader param-name |
146 | :type string) |
147 | (flags |
148 | :allocation :alien |
149 | :reader param-flags |
150 | :type param-flag-type) |
151 | (value-type |
152 | :allocation :alien |
153 | :reader param-value-type |
154 | :type type-number) |
155 | (owner-type |
156 | :allocation :alien |
157 | :reader param-owner-type |
158 | :type type-number) |
159 | (nickname |
160 | :allocation :virtual |
161 | :getter "g_param_spec_get_nick" |
162 | :reader param-nickname |
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163 | :type (copy-of string)) |
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164 | (documentation |
165 | :allocation :virtual |
166 | :getter "g_param_spec_get_blurb" |
167 | :reader param-documentation |
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168 | :type (copy-of string))) |
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169 | (:metaclass param-spec-class) |
170 | (:gtype "GParam")) |
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171 | |
172 | |
173 | (defclass param-char (param) |
174 | ((minimum |
175 | :allocation :alien |
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176 | :reader param-minimum |
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177 | :type char) |
178 | (maximum |
179 | :allocation :alien |
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180 | :reader param-maximum |
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181 | :type char) |
182 | (default-value |
183 | :allocation :alien |
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184 | :reader param-default-value |
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185 | :type char)) |
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186 | (:metaclass param-spec-class) |
187 | (:gtype "GParamChar")) |
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188 | |
189 | (defclass param-unsigned-char (param) |
190 | ( |
191 | ; (minimum |
192 | ; :allocation :alien |
193 | ; :reader param-unsigned-char-minimum |
194 | ; :type unsigned-char) |
195 | ; (maximum |
196 | ; :allocation :alien |
197 | ; :reader param-unsigned-char-maximum |
198 | ; :type unsigned-char) |
199 | ; (default-value |
200 | ; :allocation :alien |
201 | ; :reader param-unsigned-char-default-value |
202 | ; :type unsigned-char) |
203 | ) |
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204 | (:metaclass param-spec-class) |
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205 | (:gtype "GParamUChar")) |
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206 | |
207 | (defclass param-boolean (param) |
208 | ((default-value |
209 | :allocation :alien |
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210 | :reader param-default-value |
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211 | :type boolean)) |
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212 | (:metaclass param-spec-class) |
213 | (:gtype "GParamBoolean")) |
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214 | |
215 | (defclass param-int (param) |
216 | ((minimum |
217 | :allocation :alien |
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218 | :reader param-minimum |
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219 | :type int) |
220 | (maximum |
221 | :allocation :alien |
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222 | :reader param-maximum |
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223 | :type int) |
224 | (default-value |
225 | :allocation :alien |
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226 | :reader param-default-value |
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227 | :type int)) |
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228 | (:metaclass param-spec-class) |
229 | (:gtype "GParamInt")) |
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230 | |
231 | (defclass param-unsigned-int (param) |
232 | ((minimum |
233 | :allocation :alien |
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234 | :reader param-minimum |
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235 | :type unsigned-int) |
236 | (maximum |
237 | :allocation :alien |
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238 | :reader param-maximum |
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239 | :type unsigned-int) |
240 | (default-value |
241 | :allocation :alien |
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242 | :reader param-default-value |
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243 | :type unsigned-int)) |
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244 | (:metaclass param-spec-class) |
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245 | (:gtype "GParamUInt")) |
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246 | |
247 | (defclass param-long (param) |
248 | ((minimum |
249 | :allocation :alien |
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250 | :reader param-minimum |
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251 | :type long) |
252 | (maximum |
253 | :allocation :alien |
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254 | :reader param-maximum |
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255 | :type long) |
256 | (default-value |
257 | :allocation :alien |
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258 | :reader param-default-value |
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259 | :type long)) |
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260 | (:metaclass param-spec-class) |
261 | (:gtype "GParam")) |
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262 | |
263 | (defclass param-unsigned-long (param) |
264 | ((minimum |
265 | :allocation :alien |
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266 | :reader param-minimum |
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267 | :type unsigned-long) |
268 | (maximum |
269 | :allocation :alien |
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270 | :reader param-maximum |
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271 | :type unsigned-long) |
272 | (default-value |
273 | :allocation :alien |
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274 | :reader param-default-value |
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275 | :type unsigned-long)) |
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276 | (:metaclass param-spec-class) |
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277 | (:gtype "GParamULong")) |
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278 | |
279 | (defclass param-unichar (param) |
280 | () |
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281 | (:metaclass param-spec-class) |
282 | (:gtype "GParamUnichar")) |
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283 | |
284 | (defclass param-enum (param) |
285 | ((class |
286 | :allocation :alien |
287 | :reader param-enum-class |
288 | :type pointer) |
289 | (default-value |
290 | :allocation :alien |
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291 | :reader param-default-value |
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292 | :type long)) |
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293 | (:metaclass param-spec-class) |
294 | (:gtype "GParamEnum")) |
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295 | |
296 | (defclass param-flags (param) |
297 | ((class |
298 | :allocation :alien |
299 | :reader param-flags-class |
300 | :type pointer) |
301 | (default-value |
302 | :allocation :alien |
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303 | :reader param-default-value |
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304 | :type long)) |
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305 | (:metaclass param-spec-class) |
306 | (:gtype "GParamFlags")) |
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307 | |
308 | (defclass param-single-float (param) |
309 | ((minimum |
310 | :allocation :alien |
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311 | :reader param-minimum |
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312 | :type single-float) |
313 | (maximum |
314 | :allocation :alien |
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315 | :reader param-maximum |
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316 | :type single-float) |
317 | (default-value |
318 | :allocation :alien |
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319 | :reader param-default-value |
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320 | :type single-float) |
321 | (epsilon |
322 | :allocation :alien |
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323 | :reader param-float-epsilon |
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324 | :type single-float)) |
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325 | (:metaclass param-spec-class) |
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326 | (:gtype "GParamFloat")) |
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327 | |
328 | (defclass param-double-float (param) |
329 | ((minimum |
330 | :allocation :alien |
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331 | :reader param-minimum |
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332 | :type double-float) |
333 | (maximum |
334 | :allocation :alien |
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335 | :reader param-maximum |
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336 | :type double-float) |
337 | (default-value |
338 | :allocation :alien |
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339 | :reader param-default-value |
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340 | :type double-float) |
341 | (epsilon |
342 | :allocation :alien |
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343 | :reader param-float-epsilon |
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344 | :type double-float)) |
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345 | (:metaclass param-spec-class) |
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346 | (:gtype "GParamDouble")) |
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347 | |
348 | (defclass param-string (param) |
349 | ((default-value |
350 | :allocation :alien |
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351 | :reader param-default-value |
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352 | :type string)) |
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353 | (:metaclass param-spec-class) |
354 | (:gtype "GParamString")) |
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355 | |
356 | (defclass param-param (param) |
357 | () |
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358 | (:metaclass param-spec-class) |
359 | (:gtype "GParamParam")) |
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360 | |
361 | (defclass param-boxed (param) |
362 | () |
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363 | (:metaclass param-spec-class) |
364 | (:gtype "GParamBoxed")) |
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365 | |
366 | (defclass param-pointer (param) |
367 | () |
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368 | (:metaclass param-spec-class) |
369 | (:gtype "GParamPointer")) |
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370 | |
371 | (defclass param-value-array (param) |
372 | ((element-spec |
373 | :allocation :alien |
374 | :reader param-value-array-element-spec |
375 | :type param) |
376 | (length |
377 | :allocation :alien |
378 | :reader param-value-array-length |
379 | :type unsigned-int)) |
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380 | (:metaclass param-spec-class) |
381 | (:gtype "GParamValueArray")) |
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382 | |
383 | (defclass param-object (param) |
384 | () |
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385 | (:metaclass param-spec-class) |
386 | (:gtype "GParamObject")) |
387 | |
388 | (defclass param-overrride (param) |
389 | () |
390 | (:metaclass param-spec-class) |
391 | (:gtype "GParamOverride")) |