Initial checkin
[clg] / gtk / gtkcontainer.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: gtkcontainer.lisp,v 1.12 2004-11-07 17:55:29 espen Exp $
19
20 (in-package "GTK")
21
22 (defmethod shared-initialize ((container container) names &rest initargs
23 &key child children child-args)
24 (declare (ignore child))
25 (call-next-method)
26 (dolist (child (append children (get-all initargs :child)))
27 (apply #'container-add container (append (mklist child) child-args))))
28
29
30 (defbinding %container-add () nil
31 (container container)
32 (widget widget))
33
34 (defmethod container-add ((container container) (widget widget) &rest args)
35 (%container-add container widget)
36 (when args
37 (setf
38 (slot-value widget 'child-slots)
39 (apply
40 #'make-instance
41 (gethash (class-of container) *container-to-child-class-mappings*)
42 :parent container :child widget args))))
43
44
45 (defbinding %container-remove () nil
46 (container container)
47 (widget widget))
48
49 (defmethod container-remove ((container container) (widget widget))
50 (%container-remove container widget)
51 (slot-makunbound widget 'child-slots))
52
53
54 (defbinding %container-child-get-property () nil
55 (container container)
56 (child widget)
57 (property-name string)
58 (value gvalue))
59
60 (defbinding %container-child-set-property () nil
61 (container container)
62 (child widget)
63 (property-name string)
64 (value gvalue))
65
66
67 (defbinding container-check-resize () nil
68 (container container))
69
70 (def-callback-marshal %foreach-callback (nil widget))
71
72 (defbinding %container-foreach (container callback-id) nil
73 (container container)
74 ((callback %foreach-callback) pointer)
75 (callback-id unsigned-int))
76
77 (defun container-foreach (container function)
78 (with-callback-function (id function)
79 (%container-foreach container id)))
80
81 (defun map-container (seqtype func container)
82 (case seqtype
83 ((nil)
84 (container-foreach container func)
85 nil)
86 (list
87 (let ((list nil))
88 (container-foreach
89 container
90 #'(lambda (child)
91 (push (funcall func child) list)))
92 (nreverse list)))
93 (t
94 (let ((seq (make-sequence seqtype (container-length container)))
95 (index 0))
96 (container-foreach
97 container
98 #'(lambda (child)
99 (setf (elt seq index) (funcall func child))
100 (incf index)))
101 seq))))
102
103 (defmacro do-container ((var container &optional (result nil)) &body body)
104 (let ((continue (make-symbol "CONTINUE")))
105 `(let ((,continue t))
106 (container-foreach
107 ,container
108 #'(lambda (,var)
109 (when ,continue
110 (setq ,continue nil)
111 (block nil
112 ,@body
113 (setq ,continue t)))))
114 ,result)))
115
116 ;; (defbinding %container-get-children () (glist widget)
117 ;; (container container))
118
119 (defmethod container-children ((container container))
120 ;; (%container-get-children container)
121 (map-container 'list #'identity container))
122
123 (defmethod (setf container-children) (children (container container))
124 (dolist (child (container-children container))
125 (container-remove container child))
126 (dolist (child children)
127 (container-add container child))
128 children)
129
130 (defun container-length (container)
131 (let ((n 0))
132 (container-foreach container
133 #'(lambda (child)
134 (declare (ignore child))
135 (incf n)))
136 n))
137
138 (defbinding container-resize-children () nil
139 (container container))
140
141 (defbinding container-propagate-expose () nil
142 (container container)
143 (child widget)
144 (event gdk:expose-event))
145
146
147 (defbinding %container-get-focus-chain () boolean
148 (container container)
149 (focusable-widgets (glist widget) :out))
150
151 (defun container-focus-chain (container)
152 (multiple-value-bind (chain-set-p focusable-widgets)
153 (%container-get-focus-chain container)
154 (and chain-set-p focusable-widgets)))
155
156 (defbinding %container-set-focus-chain () nil
157 (container container)
158 (focusable-widgets (glist widget)))
159
160 (defbinding %container-unset-focus-chain () nil
161 (container container))
162
163 (defun (setf container-focus-chain) (focusable-widgets container)
164 (if (null focusable-widgets)
165 (%container-unset-focus-chain container)
166 (%container-set-focus-chain container focusable-widgets)))