1 ;; Common Lisp bindings for GTK+ v2.x
2 ;; Copyright 1999-2005 Espen S. Johnsen <espen@users.sf.net>
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:
12 ;; The above copyright notice and this permission notice shall be
13 ;; included in all copies or substantial portions of the Software.
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.
23 ;; $Id: gtkobject.lisp,v 1.46 2008/03/04 16:03:38 espen Exp $
29 ;;;; Superclass for the gtk class hierarchy
31 (eval-when (:compile-toplevel :load-toplevel :execute)
32 (init-types-in-library gtk "libgtk-2.0")
34 (defclass %object (gobject)
36 (:metaclass gobject-class)
37 (:gtype |gtk_object_get_type|)))
40 (defmethod initialize-instance ((object %object) &rest initargs &key signal)
41 (declare (ignore signal))
43 (dolist (signal-definition (get-all initargs :signal))
44 (apply #'signal-connect object signal-definition)))
46 (defmethod initialize-instance :around ((object %object) &rest initargs)
47 (declare (ignore initargs))
49 ;; Add a temorary reference which will be removed when the object is
51 (funcall (reference-function '%object) (foreign-location object))
52 (%object-sink object))
54 (defbinding %object-sink () nil
57 ;;;; Main loop and event handling
59 (defparameter *reentrant-main-iteration* t)
60 (defvar *running-main-iteration* nil)
62 (defbinding events-pending-p () boolean)
64 (defbinding get-current-event () gdk:event)
66 (defbinding main-do-event () nil
69 (defbinding main () nil)
71 (defbinding main-level () int)
73 (defbinding main-quit () nil)
75 (defbinding main-iteration-do (&optional (blocking t)) boolean
78 (defun main-iterate-all (&rest args)
79 (declare (ignore args))
80 (unless (and (not *reentrant-main-iteration*) *running-main-iteration*)
81 (let ((*running-main-iteration* t))
83 while (events-pending-p)
84 do (main-iteration-do nil))))
88 (define-callback fd-source-callback-marshal nil
89 ((callback-id unsigned-int) (fd unsigned-int))
90 (glib::invoke-source-callback callback-id fd))
92 (defbinding (input-add "gtk_input_add_full") (fd condition function) unsigned-int
94 (condition gdk:input-condition)
95 (fd-source-callback-marshal callback)
97 ((register-callback-function function) unsigned-long)
98 (user-data-destroy-callback callback))
101 ;;;; Metaclass for child classes
103 (defvar *container-to-child-class-mappings* (make-hash-table))
105 (eval-when (:compile-toplevel :load-toplevel :execute)
106 (defclass container-child-class (virtual-slots-class)
109 (defclass direct-child-slot-definition (direct-virtual-slot-definition)
110 ((pname :reader slot-definition-pname :initarg :pname)))
112 (defclass effective-child-slot-definition (effective-virtual-slot-definition)
113 ((pname :reader slot-definition-pname :initarg :pname))))
116 (defmethod shared-initialize ((class container-child-class) names &key container)
117 (declare (ignore names))
120 (gethash (find-class (first container)) *container-to-child-class-mappings*)
124 for slotd in (class-direct-slots class)
125 when (typep slotd 'direct-child-slot-definition)
127 for reader in (slot-definition-readers slotd)
128 do (add-reader-method class
129 (ensure-generic-function reader :lambda-list '(object))
130 (slot-definition-name slotd)))
132 for writer in (slot-definition-writers slotd)
133 do (add-writer-method class
134 (ensure-generic-function writer :lambda-list '(value object))
135 (slot-definition-name slotd)))))
137 (defmethod direct-slot-definition-class ((class container-child-class) &rest initargs)
138 (case (getf initargs :allocation)
139 (:property (find-class 'direct-child-slot-definition))
140 (t (call-next-method))))
142 (defmethod effective-slot-definition-class ((class container-child-class) &rest initargs)
143 (case (getf initargs :allocation)
144 (:property (find-class 'effective-child-slot-definition))
145 (t (call-next-method))))
147 (defmethod compute-effective-slot-definition-initargs ((class container-child-class) direct-slotds)
148 (if (eq (slot-definition-allocation (first direct-slotds)) :property)
150 (list :pname (most-specific-slot-value direct-slotds 'pname))
154 (defmethod slot-readable-p ((slotd effective-child-slot-definition))
155 (declare (ignore slotd))
158 (defmethod compute-slot-reader-function ((slotd effective-child-slot-definition) &optional signal-unbound-p)
159 (declare (ignore signal-unbound-p))
160 (let* ((type (slot-definition-type slotd))
161 (pname (slot-definition-pname slotd))
162 (reader (reader-function type :ref :get)))
164 (with-slots (parent child) object
165 (with-memory (gvalue +gvalue-size+)
166 (glib::%gvalue-init gvalue (find-type-number type))
167 (%container-child-get-property parent child pname gvalue)
168 (funcall reader gvalue +gvalue-value-offset+))))))
170 (defmethod slot-writable-p ((slotd effective-child-slot-definition))
171 (declare (ignore slotd))
174 (defmethod compute-slot-writer-function ((slotd effective-child-slot-definition))
175 (let* ((type (slot-definition-type slotd))
176 (pname (slot-definition-pname slotd))
177 (writer (writer-function type :temp t))
178 (destroy (destroy-function type :temp t)))
179 #'(lambda (value object)
180 (with-slots (parent child) object
181 (with-memory (gvalue +gvalue-size+)
182 (glib::%gvalue-init gvalue (find-type-number type))
183 (funcall writer value gvalue +gvalue-value-offset+)
184 (%container-child-set-property parent child pname gvalue)
185 (funcall destroy gvalue +gvalue-value-offset+))
189 (defmethod add-reader-method ((class container-child-class) generic-function slot-name #?(sbcl>= 1 0 2)slot-documentation #?(sbcl>= 1 0 14)source-location)
192 (make-instance 'standard-method
193 :specializers (list (find-class 'widget))
194 :lambda-list '(widget)
195 :documentation (or #?(sbcl>= 1 0 2)slot-documentation "automatically generated reader method")
196 :function #'(lambda (args next-methods)
197 (declare (ignore next-methods))
198 (child-property-value (first args) slot-name)))))
200 (defmethod add-writer-method ((class container-child-class) generic-function slot-name #?(sbcl>= 1 0 2)slot-documentation #?(sbcl>= 1 0 14)source-location)
203 (make-instance 'standard-method
204 :specializers (list (find-class t) (find-class 'widget))
205 :lambda-list '(value widget)
206 :documentation (or #?(sbcl>= 1 0 2)slot-documentation "automatically generated reader method")
207 :function #'(lambda (args next-methods)
208 (declare (ignore next-methods))
209 (destructuring-bind (value widget) args
210 (setf (child-property-value widget slot-name) value))))))
213 (defmethod validate-superclass ((class container-child-class) (super standard-class))
214 ;(subtypep (class-name super) 'container-child)
218 (defclass container-child (virtual-slots-object)
219 ((parent :initarg :parent :type container)
220 (child :initarg :child :type widget)))
225 (defbinding %container-class-list-child-properties () pointer
227 (n-properties unsigned-int :out))
229 (defun query-container-class-child-properties (type-number)
230 (let ((class (type-class-ref type-number)))
231 (multiple-value-bind (array length)
232 (%container-class-list-child-properties class)
234 (map-c-vector 'list #'identity array 'param length)
235 (deallocate-memory array)))))
237 (defun default-container-child-name (container-class)
238 (intern (format nil "~A-CHILD" container-class)))
240 (defun expand-container-type (type forward-p options)
241 (let* ((class (type-from-number type))
242 (super (supertype type))
243 (child-class (default-container-child-name class)))
245 (expand-gobject-type type t options)
247 ,(expand-gobject-type type nil options)
248 (defclass ,child-class (,(default-container-child-name super))
249 ,(slot-definitions child-class
250 (query-container-class-child-properties type) nil)
251 (:metaclass container-child-class)
252 (:container ,class))))))
254 (defun container-child-class (container-class)
255 (gethash container-class *container-to-child-class-mappings*))
257 (defun container-dependencies (type options)
260 (gobject-dependencies type options)
261 (mapcar #'param-value-type (query-container-class-child-properties type)))))
263 (register-derivable-type 'container "GtkContainer" 'expand-container-type 'container-dependencies)
266 (defmacro define-callback-setter (name arg return-type &rest rest-args)
267 (let ((callback (gensym)))
270 (define-callback-marshal ,callback ,return-type
271 ,(cons arg rest-args))
272 (defbinding ,name () nil
275 (function user-callback)
276 (user-data-destroy-callback callback)))
278 (define-callback-marshal ,callback ,return-type ,rest-args)
279 (defbinding ,name () nil
281 (function user-callback)
282 (user-data-destroy-callback callback))))))