| 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 1.8 2002/03/24 21:56:34 espen Exp $ |
| 19 | |
| 20 | (in-package "GTK") |
| 21 | |
| 22 | (defmethod shared-initialize ((container container) names &rest initargs) |
| 23 | (call-next-method) |
| 24 | (dolist (child (get-all initargs :child)) |
| 25 | (apply #'container-add container (mklist child)))) |
| 26 | |
| 27 | |
| 28 | (defbinding %container-add () nil |
| 29 | (container container) |
| 30 | (widget widget)) |
| 31 | |
| 32 | (defmethod container-add ((container container) (widget widget) &rest args) |
| 33 | (%container-add container widget) |
| 34 | (when args |
| 35 | (setf |
| 36 | (slot-value widget 'child-slots) |
| 37 | (apply |
| 38 | #'make-instance |
| 39 | (gethash (class-of container) *container-to-child-class-mappings*) |
| 40 | :parent container :child widget args)))) |
| 41 | |
| 42 | |
| 43 | (defbinding %container-remove () nil |
| 44 | (container container) |
| 45 | (widget widget)) |
| 46 | |
| 47 | (defmethod container-remove ((container container) (widget widget)) |
| 48 | (%container-remove container widget) |
| 49 | (slot-makunbound widget 'child-slots)) |
| 50 | |
| 51 | |
| 52 | (defbinding %container-child-get-property () nil |
| 53 | (container container) |
| 54 | (child widget) |
| 55 | (property-name string) |
| 56 | (value gvalue)) |
| 57 | |
| 58 | (defbinding %container-child-set-property () nil |
| 59 | (container container) |
| 60 | (child widget) |
| 61 | (property-name string) |
| 62 | (value gvalue)) |
| 63 | |
| 64 | |
| 65 | (defbinding container-check-resize () nil |
| 66 | (container container)) |
| 67 | |
| 68 | (defvar *callback-marshal* |
| 69 | (system:foreign-symbol-address "gtk_callback_marshal")) |
| 70 | |
| 71 | (defbinding %container-foreach (container callback-id) nil |
| 72 | (container container) |
| 73 | (*callback-marshal* pointer) |
| 74 | (callback-id unsigned-int)) |
| 75 | |
| 76 | (defun container-foreach (container function) |
| 77 | (let ((callback-id (register-callback-function function))) |
| 78 | (unwind-protect |
| 79 | (%container-foreach container callback-id) |
| 80 | (destroy-user-data callback-id)))) |
| 81 | |
| 82 | (defun map-container (seqtype func container) |
| 83 | (case seqtype |
| 84 | ((nil) |
| 85 | (%container-foreach container func) |
| 86 | nil) |
| 87 | (list |
| 88 | (let ((list nil)) |
| 89 | (container-foreach |
| 90 | container |
| 91 | #'(lambda (child) |
| 92 | (push (funcall func child) list))) |
| 93 | (nreverse list))) |
| 94 | (t |
| 95 | (let ((seq (make-sequence seqtype (container-length container))) |
| 96 | (index 0)) |
| 97 | (container-foreach |
| 98 | container |
| 99 | #'(lambda (child) |
| 100 | (setf (elt seq index) (funcall func child)) |
| 101 | (incf index))) |
| 102 | seq)))) |
| 103 | |
| 104 | (defmacro do-container ((var container &optional (result nil)) &body body) |
| 105 | (let ((continue (make-symbol "CONTINUE"))) |
| 106 | `(let ((,continue t)) |
| 107 | (container-foreach |
| 108 | ,container |
| 109 | #'(lambda (,var) |
| 110 | (when ,continue |
| 111 | (setq ,continue nil) |
| 112 | (block nil |
| 113 | ,@body |
| 114 | (setq ,continue t))))) |
| 115 | ,result))) |
| 116 | |
| 117 | ;; (defbinding %container-get-children () (glist widget) |
| 118 | ;; (container container)) |
| 119 | |
| 120 | (defmethod container-children ((container container)) |
| 121 | ;; (%container-get-children container) |
| 122 | (map-container 'list #'identity container)) |
| 123 | |
| 124 | (defmethod (setf container-children) (children (container container)) |
| 125 | (dolist (child (container-children container)) |
| 126 | (container-remove container child)) |
| 127 | (dolist (child children) |
| 128 | (container-add container child)) |
| 129 | children) |
| 130 | |
| 131 | (defun container-length (container) |
| 132 | (let ((n 0)) |
| 133 | (container-foreach container |
| 134 | #'(lambda (child) |
| 135 | (declare (ignore child)) |
| 136 | (incf n))) |
| 137 | n)) |
| 138 | |
| 139 | (defbinding container-resize-children () nil |
| 140 | (container container)) |
| 141 | |
| 142 | (defbinding container-propagate-expose () nil |
| 143 | (container container) |
| 144 | (child widget) |
| 145 | (event gdk:expose-event)) |
| 146 | |
| 147 | |
| 148 | (defbinding %container-get-focus-chain () boolean |
| 149 | (container container) |
| 150 | (focusable-widgets (glist widget) :out)) |
| 151 | |
| 152 | (defun container-focus-chain (container) |
| 153 | (multiple-value-bind (chain-set-p focusable-widgets) |
| 154 | (%container-get-focus-chain container) |
| 155 | (and chain-set-p focusable-widgets))) |
| 156 | |
| 157 | (defbinding %container-set-focus-chain () nil |
| 158 | (container container) |
| 159 | (focusable-widgets (glist widget))) |
| 160 | |
| 161 | (defbinding %container-unset-focus-chain () nil |
| 162 | (container container)) |
| 163 | |
| 164 | (defun (setf container-focus-chain) (focusable-widgets container) |
| 165 | (if (null focusable-widgets) |
| 166 | (%container-unset-focus-chain container) |
| 167 | (%container-set-focus-chain container focusable-widgets))) |