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1 | ;; Common Lisp bindings for GTK+ v2.x |
2 | ;; Copyright 2001-2005 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. |
22 | |
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23 | ;; $Id: ginterface.lisp,v 1.19 2007/01/02 16:06:15 espen Exp $ |
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24 | |
25 | (in-package "GLIB") |
26 | |
27 | (use-prefix "g") |
28 | |
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29 | ;;;; Superclass for interfaces |
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30 | |
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31 | (defclass interface () |
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32 | ()) |
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33 | |
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34 | |
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35 | ;;;; Metaclass for interfaces |
36 | |
37 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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38 | (defclass interface-class (virtual-slots-class) |
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39 | ())) |
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40 | |
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41 | (defmethod direct-slot-definition-class ((class interface-class) &rest initargs) |
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42 | (case (getf initargs :allocation) |
43 | (:property (find-class 'direct-property-slot-definition)) |
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44 | (:virtual (find-class 'direct-virtual-alien-slot-definition)) |
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45 | (t (call-next-method)))) |
46 | |
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47 | (defmethod effective-slot-definition-class ((class interface-class) &rest initargs) |
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48 | (case (getf initargs :allocation) |
49 | (:property (find-class 'effective-property-slot-definition)) |
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50 | (:virtual (find-class 'effective-virtual-alien-slot-definition)) |
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51 | (t (call-next-method)))) |
52 | |
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53 | (defmethod compute-effective-slot-definition-initargs ((class interface-class) direct-slotds) |
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54 | (if (eq (slot-definition-allocation (first direct-slotds)) :property) |
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55 | (nconc |
56 | (list :pname (signal-name-to-string |
57 | (most-specific-slot-value direct-slotds 'pname)) |
58 | :readable (most-specific-slot-value direct-slotds 'readable) |
59 | :writable (most-specific-slot-value direct-slotds 'writable) |
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60 | :construct-only (most-specific-slot-value direct-slotds 'construct)) |
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61 | (call-next-method)) |
62 | (call-next-method))) |
63 | |
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64 | |
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65 | (defmethod shared-initialize ((class interface-class) names &key name gtype) |
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66 | (declare (ignore names)) |
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67 | (let* ((class-name (or name (class-name class))) |
68 | (type-number |
69 | (or |
70 | (find-type-number class-name) |
71 | (register-type class-name |
72 | (or (first gtype) (default-type-init-name class-name)))))) |
73 | (type-default-interface-ref type-number)) |
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74 | (call-next-method)) |
75 | |
76 | |
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77 | (defmethod validate-superclass ((class interface-class) (super standard-class)) |
78 | (subtypep (class-name super) 'interface)) |
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79 | |
80 | |
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81 | (define-type-method alien-type ((type interface)) |
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82 | (declare (ignore type)) |
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83 | (alien-type 'gobject)) |
84 | |
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85 | (define-type-method size-of ((type interface) &key inlined) |
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86 | (assert-not-inlined type inlined) |
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87 | (size-of 'gobject)) |
88 | |
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89 | (define-type-method from-alien-form ((type interface) location &key (ref :copy)) |
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90 | (declare (ignore type)) |
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91 | (from-alien-form 'gobject location :ref ref)) |
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92 | |
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93 | (define-type-method from-alien-function ((type interface) &key (ref :copy)) |
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94 | (declare (ignore type)) |
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95 | (from-alien-function 'gobject :ref ref)) |
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96 | |
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97 | (define-type-method to-alien-form ((type interface) instance &optional copy-p) |
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98 | (declare (ignore type)) |
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99 | (to-alien-form 'gobject instance copy-p)) |
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100 | |
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101 | (define-type-method to-alien-function ((type interface) &optional copy-p) |
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102 | (declare (ignore type)) |
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103 | (to-alien-function 'gobject copy-p)) |
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104 | |
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105 | (define-type-method reader-function ((type interface) &key ref inlined) |
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106 | (assert-not-inlined type inlined) |
107 | (reader-function 'gobject :ref ref)) |
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108 | |
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109 | (define-type-method writer-function ((type interface) &key temp inlined) |
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110 | (assert-not-inlined type inlined) |
111 | (writer-function 'gobject :temp temp)) |
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112 | |
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113 | (define-type-method destroy-function ((type interface) &key temp inlined) |
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114 | (assert-not-inlined type inlined) |
115 | (destroy-function 'gobject :temp temp)) |
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116 | |
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117 | |
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118 | ;;;; |
119 | |
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120 | |
121 | (defbinding type-default-interface-ref (type) pointer |
122 | ((find-type-number type t) type-number)) |
123 | |
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124 | (defbinding type-default-interface-unref () nil |
125 | (iface pointer)) |
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126 | |
127 | (defbinding type-default-interface-peek (type) pointer |
128 | ((find-type-number type t) type-number)) |
129 | |
130 | (defbinding %object-interface-list-properties () pointer |
131 | (iface pointer) |
132 | (n-properties unsigned-int :out)) |
133 | |
134 | (defun query-object-interface-properties (type &optional inherited-p) |
135 | (let* ((type-number (find-type-number type)) |
136 | (iface (type-default-interface-ref type-number))) |
137 | (unwind-protect |
138 | (multiple-value-bind (array length) |
139 | (%object-interface-list-properties iface) |
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140 | (unless (null-pointer-p array) |
141 | (unwind-protect |
142 | (%map-params array length type-number inherited-p) |
143 | (deallocate-memory array)))) |
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144 | (type-default-interface-unref iface)))) |
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145 | |
146 | |
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147 | (defun expand-interface-type (type forward-p options &rest args) |
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148 | (declare (ignore args)) |
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149 | (let ((class (type-from-number type)) |
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150 | (slots (getf options :slots))) |
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151 | `(defclass ,class (,(supertype type)) |
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152 | ,(unless forward-p |
153 | (slot-definitions class (query-object-interface-properties type) slots)) |
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154 | (:metaclass interface-class) |
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155 | (:gtype ,(register-type-as type))))) |
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156 | |
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157 | (defun interface-dependencies (type options) |
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158 | (delete-duplicates |
159 | (cons |
160 | (supertype type) |
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161 | (append |
162 | (mapcar #'param-value-type (query-object-interface-properties type)) |
163 | (loop |
164 | for slot in (getf options :slots) |
165 | as type = (getf (rest slot) :type) |
166 | when (and type (symbolp type) (find-type-number type)) |
167 | collect (find-type-number type)))))) |
168 | |
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169 | |
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170 | (register-derivable-type 'interface "GInterface" 'expand-interface-type 'interface-dependencies) |