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1 | ;; Common Lisp bindings for GTK+ v2.0 |
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2 | ;; Copyright (C) 1999-2001 Espen S. Johnsen <espen@users.sourceforge.org> |
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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 | |
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18 | ;; $Id: gtkobject.lisp,v 1.21 2004-12-20 20:09:53 espen Exp $ |
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19 | |
20 | |
21 | (in-package "GTK") |
22 | |
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23 | |
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24 | ;;;; Misc utils |
25 | |
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26 | ; (defun name-to-string (name) |
27 | ; (substitute #\_ #\- (string-downcase (string name)))) |
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28 | |
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29 | ; (defun string-to-name (name &optional (package "KEYWORD")) |
30 | ; (intern (substitute #\- #\_ (string-upcase name)) package)) |
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31 | |
32 | |
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33 | |
34 | ;;;; Superclass for the gtk class hierarchy |
35 | |
36 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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37 | (init-types-in-library |
38 | #.(concatenate 'string (pkg-config:pkg-variable "gtk+-2.0" "libdir") |
39 | "/libgtk-x11-2.0.so") |
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40 | :ignore ("gtk_window_get_type_hint")) |
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41 | |
42 | (defclass %object (gobject) |
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43 | () |
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44 | (:metaclass gobject-class) |
45 | (:alien-name "GtkObject"))) |
46 | |
47 | |
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48 | (defmethod initialize-instance ((object %object) &rest initargs &key signal) |
49 | (declare (ignore signal)) |
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50 | (call-next-method) |
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51 | (reference-foreign (class-of object) (proxy-location object)) |
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52 | (dolist (signal-definition (get-all initargs :signal)) |
53 | (apply #'signal-connect object signal-definition))) |
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54 | |
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55 | (defmethod initialize-instance :around ((object %object) &rest initargs) |
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56 | (declare (ignore initargs)) |
57 | (call-next-method) |
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58 | (%object-sink object)) |
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59 | |
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60 | (defbinding %object-sink () nil |
61 | (object %object)) |
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62 | |
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63 | ;;;; Main loop, timeouts and idle functions |
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64 | |
65 | (declaim (inline events-pending-p main-iteration)) |
66 | |
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67 | (defbinding (events-pending-p "gtk_events_pending") () boolean) |
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68 | |
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69 | (defbinding get-current-event () gdk:event) |
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70 | |
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71 | (defbinding main-do-event () nil |
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72 | (event gdk:event)) |
73 | |
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74 | (defbinding main () nil) |
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75 | |
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76 | (defbinding main-level () int) |
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77 | |
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78 | (defbinding main-quit () nil) |
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79 | |
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80 | (defbinding main-iteration-do (&optional (blocking t)) boolean |
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81 | (blocking boolean)) |
82 | |
83 | (defun main-iterate-all (&rest args) |
84 | (declare (ignore args)) |
85 | (when (events-pending-p) |
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86 | (main-iteration-do nil) |
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87 | (main-iterate-all))) |
88 | |
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89 | |
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90 | ;;;; Metaclass for child classes |
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91 | |
92 | (defvar *container-to-child-class-mappings* (make-hash-table)) |
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93 | |
94 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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95 | (defclass child-class (virtual-slots-class) |
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96 | ()) |
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97 | |
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98 | (defclass direct-child-slot-definition (direct-virtual-slot-definition) |
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99 | ((pname :reader slot-definition-pname :initarg :pname))) |
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100 | |
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101 | (defclass effective-child-slot-definition (effective-virtual-slot-definition) |
102 | ((pname :reader slot-definition-pname :initarg :pname))) |
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103 | |
104 | |
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105 | (defmethod shared-initialize ((class child-class) names &key container) |
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106 | (call-next-method) |
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107 | (setf |
108 | (gethash (find-class (first container)) *container-to-child-class-mappings*) |
109 | class)) |
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110 | |
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111 | (defmethod direct-slot-definition-class ((class child-class) &rest initargs) |
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112 | (case (getf initargs :allocation) |
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113 | (:property (find-class 'direct-child-slot-definition)) |
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114 | (t (call-next-method)))) |
115 | |
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116 | (defmethod effective-slot-definition-class ((class child-class) &rest initargs) |
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117 | (case (getf initargs :allocation) |
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118 | (:property (find-class 'effective-child-slot-definition)) |
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119 | (t (call-next-method)))) |
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120 | |
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121 | (defmethod compute-effective-slot-definition-initargs ((class child-class) direct-slotds) |
122 | (if (eq (most-specific-slot-value direct-slotds 'allocation) :property) |
123 | (nconc |
124 | (list :pname (most-specific-slot-value direct-slotds 'pname)) |
125 | (call-next-method)) |
126 | (call-next-method))) |
127 | |
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128 | (progn |
129 | (declaim (optimize (ext:inhibit-warnings 3))) |
130 | (defun %container-child-get-property (parent child pname gvalue)) |
131 | (defun %container-child-set-property (parent child pname gvalue))) |
132 | |
133 | |
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134 | (defmethod initialize-internal-slot-functions ((slotd effective-child-slot-definition)) |
135 | (let* ((type (slot-definition-type slotd)) |
136 | (pname (slot-definition-pname slotd)) |
137 | (type-number (find-type-number type))) |
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138 | (setf |
139 | (slot-value slotd 'getter) |
140 | #'(lambda (object) |
141 | (with-slots (parent child) object |
142 | (let ((gvalue (gvalue-new type-number))) |
143 | (%container-child-get-property parent child pname gvalue) |
144 | (unwind-protect |
145 | (funcall (reader-function type) gvalue +gvalue-value-offset+) |
146 | (gvalue-free gvalue t)))))) |
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147 | |
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148 | (setf |
149 | (slot-value slotd 'setter) |
150 | #'(lambda (value object) |
151 | (with-slots (parent child) object |
152 | (let ((gvalue (gvalue-new type-number))) |
153 | (funcall (writer-function type) value gvalue +gvalue-value-offset+) |
154 | (%container-child-set-property parent child pname gvalue) |
155 | (gvalue-free gvalue t) |
156 | value))))) |
157 | |
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158 | (call-next-method))) |
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159 | |
160 | |
161 | (defmethod pcl::add-reader-method ((class child-class) generic-function slot-name) |
162 | (add-method |
163 | generic-function |
164 | (make-instance 'standard-method |
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165 | :specializers (list (find-class 'widget)) |
166 | :lambda-list '(widget) |
167 | :function #'(lambda (args next-methods) |
168 | (declare (ignore next-methods)) |
169 | (child-property-value (first args) slot-name))))) |
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170 | |
171 | (defmethod pcl::add-writer-method |
172 | ((class child-class) generic-function slot-name) |
173 | (add-method |
174 | generic-function |
175 | (make-instance 'standard-method |
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176 | :specializers (list (find-class t) (find-class 'widget)) |
177 | :lambda-list '(value widget) |
178 | :function #'(lambda (args next-methods) |
179 | (declare (ignore next-methods)) |
180 | (destructuring-bind (value widget) args |
181 | (setf (child-property-value widget slot-name) value)))))) |
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182 | |
183 | |
184 | (defmethod validate-superclass ((class child-class) (super pcl::standard-class)) |
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185 | ;(subtypep (class-name super) 'container-child) |
186 | t) |
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187 | |
188 | |
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189 | (defclass container-child () |
190 | ((parent :initarg :parent :type container) |
191 | (child :initarg :child :type widget))) |
192 | |
193 | |
194 | ;;;; |
195 | |
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196 | (defbinding %container-class-list-child-properties () pointer |
197 | (class pointer) |
198 | (n-properties unsigned-int :out)) |
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199 | |
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200 | (defun query-container-class-child-properties (type-number) |
201 | (let ((class (type-class-ref type-number))) |
202 | (multiple-value-bind (array length) |
203 | (%container-class-list-child-properties class) |
204 | (unwind-protect |
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205 | (map-c-vector 'list #'identity array 'param length) |
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206 | (deallocate-memory array))))) |
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207 | |
208 | (defun default-container-child-name (container-class) |
209 | (intern (format nil "~A-CHILD" container-class))) |
210 | |
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211 | (defun expand-container-type (type &optional options) |
212 | (let* ((class (type-from-number type)) |
213 | (super (supertype type)) |
214 | (child-class (default-container-child-name class))) |
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215 | `(progn |
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216 | ,(expand-gobject-type type options) |
217 | (defclass ,child-class (,(default-container-child-name super)) |
218 | ,(slot-definitions child-class |
219 | (query-container-class-child-properties type) nil) |
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220 | (:metaclass child-class) |
221 | (:container ,class))))) |
222 | |
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223 | |
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224 | (register-derivable-type 'container "GtkContainer" 'expand-container-type) |