| 1 | ;; Common Lisp bindings for GTK+ v2.x |
| 2 | ;; Copyright 2000-2005 Espen S. Johnsen <espen@users.sf.net> |
| 3 | ;; |
| 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: |
| 11 | ;; |
| 12 | ;; The above copyright notice and this permission notice shall be |
| 13 | ;; included in all copies or substantial portions of the Software. |
| 14 | ;; |
| 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 | |
| 23 | ;; $Id: gtkcontainer.lisp,v 1.21 2006/04/26 12:31:34 espen Exp $ |
| 24 | |
| 25 | (in-package "GTK") |
| 26 | |
| 27 | (defgeneric container-add (container widget &rest args)) |
| 28 | (defgeneric container-remove (container widget)) |
| 29 | (defgeneric container-children (container)) |
| 30 | (defgeneric (setf container-children) (children container)) |
| 31 | |
| 32 | |
| 33 | (defun initial-add (object function initargs key pkey) |
| 34 | (loop |
| 35 | as (initarg value . rest) = initargs then rest |
| 36 | do (cond |
| 37 | ((eq initarg key) (funcall function object value)) |
| 38 | ((eq initarg pkey) (mapc #'(lambda (value) |
| 39 | (funcall function object value)) |
| 40 | value))) |
| 41 | while rest)) |
| 42 | |
| 43 | (defun initial-apply-add (object function initargs key pkey) |
| 44 | (initial-add object #'(lambda (object value) |
| 45 | (apply function object (mklist value))) |
| 46 | initargs key pkey)) |
| 47 | |
| 48 | |
| 49 | (defmethod shared-initialize ((container container) names &rest initargs |
| 50 | &key child children child-args |
| 51 | (show-children nil show-children-p)) |
| 52 | (declare (ignore names child children)) |
| 53 | (when show-children-p |
| 54 | (if (not show-children) |
| 55 | (setf (user-data container 'show-recursive-p) nil) |
| 56 | (signal-connect container 'show #'container-show-recursive |
| 57 | :object t :remove t))) |
| 58 | |
| 59 | (call-next-method) |
| 60 | (initial-add container |
| 61 | #'(lambda (container args) |
| 62 | (apply #'container-add container (append (mklist args) child-args))) |
| 63 | initargs :child :children)) |
| 64 | |
| 65 | |
| 66 | (defmethod compute-signal-function ((container container) signal function object) |
| 67 | (declare (ignore signal)) |
| 68 | (if (eq object :children) |
| 69 | #'(lambda (&rest args) |
| 70 | (container-foreach container |
| 71 | #'(lambda (child) |
| 72 | (apply function child (rest args))))) |
| 73 | (call-next-method))) |
| 74 | |
| 75 | |
| 76 | (defbinding %container-add () nil |
| 77 | (container container) |
| 78 | (widget widget)) |
| 79 | |
| 80 | (defmethod container-add ((container container) (widget widget) &rest args) |
| 81 | (%container-add container widget) |
| 82 | (when args |
| 83 | (setf |
| 84 | (slot-value widget 'child-properties) |
| 85 | (apply |
| 86 | #'make-instance |
| 87 | (gethash (class-of container) *container-to-child-class-mappings*) |
| 88 | :parent container :child widget args)))) |
| 89 | |
| 90 | (defbinding %container-remove () nil |
| 91 | (container container) |
| 92 | (widget widget)) |
| 93 | |
| 94 | (defmethod container-remove ((container container) (widget widget)) |
| 95 | (%container-remove container widget) |
| 96 | (slot-makunbound widget 'child-properties)) |
| 97 | |
| 98 | |
| 99 | (defbinding %container-child-get-property () nil |
| 100 | (container container) |
| 101 | (child widget) |
| 102 | (property-name string) |
| 103 | (value gvalue)) |
| 104 | |
| 105 | (defbinding %container-child-set-property () nil |
| 106 | (container container) |
| 107 | (child widget) |
| 108 | (property-name string) |
| 109 | (value gvalue)) |
| 110 | |
| 111 | |
| 112 | (defbinding container-check-resize () nil |
| 113 | (container container)) |
| 114 | |
| 115 | (define-callback-marshal %foreach-callback nil (widget)) |
| 116 | |
| 117 | (defbinding %container-foreach (container callback-id) nil |
| 118 | (container container) |
| 119 | (%foreach-callback callback) |
| 120 | (callback-id unsigned-int)) |
| 121 | |
| 122 | (defun container-foreach (container function) |
| 123 | (with-callback-function (id function) |
| 124 | (%container-foreach container id))) |
| 125 | |
| 126 | (defbinding %container-forall (container callback-id) nil |
| 127 | (container container) |
| 128 | (%foreach-callback callback) |
| 129 | (callback-id unsigned-int)) |
| 130 | |
| 131 | (defun container-forall (container function) |
| 132 | (with-callback-function (id function) |
| 133 | (%container-forall container id))) |
| 134 | |
| 135 | (defun map-container (seqtype func container) |
| 136 | (case seqtype |
| 137 | ((nil) |
| 138 | (container-foreach container func) |
| 139 | nil) |
| 140 | (list |
| 141 | (let ((list nil)) |
| 142 | (container-foreach container |
| 143 | #'(lambda (child) |
| 144 | (push (funcall func child) list))) |
| 145 | (nreverse list))) |
| 146 | (t |
| 147 | (let ((seq (make-sequence seqtype (container-length container))) |
| 148 | (index 0)) |
| 149 | (container-foreach container |
| 150 | #'(lambda (child) |
| 151 | (setf (elt seq index) (funcall func child)) |
| 152 | (incf index))) |
| 153 | seq)))) |
| 154 | |
| 155 | (defmethod container-all-children ((container container)) |
| 156 | (let ((internal ())) |
| 157 | (container-forall container |
| 158 | #'(lambda (child) |
| 159 | (push child internal))) |
| 160 | (nreverse internal))) |
| 161 | |
| 162 | (defmethod container-internal-children ((container container)) |
| 163 | (let ((public-children (container-children container)) |
| 164 | (all-children (container-all-children container))) |
| 165 | (loop |
| 166 | for child in all-children |
| 167 | unless (find child public-children) |
| 168 | collect child))) |
| 169 | |
| 170 | (defmethod (setf container-children) (children (container container)) |
| 171 | (dolist (child (container-children container)) |
| 172 | (container-remove container child)) |
| 173 | (dolist (child children) |
| 174 | (apply #'container-add container (mklist child))) |
| 175 | children) |
| 176 | |
| 177 | (defun container-length (container) |
| 178 | (let ((n 0)) |
| 179 | (container-foreach container |
| 180 | #'(lambda (child) |
| 181 | (declare (ignore child)) |
| 182 | (incf n))) |
| 183 | n)) |
| 184 | |
| 185 | (defbinding container-resize-children () nil |
| 186 | (container container)) |
| 187 | |
| 188 | (defbinding container-propagate-expose () nil |
| 189 | (container container) |
| 190 | (child widget) |
| 191 | (event gdk:expose-event)) |
| 192 | |
| 193 | |
| 194 | (defbinding %container-get-focus-chain () boolean |
| 195 | (container container) |
| 196 | (focusable-widgets (glist widget) :out)) |
| 197 | |
| 198 | (defun container-focus-chain (container) |
| 199 | (multiple-value-bind (chain-set-p focusable-widgets) |
| 200 | (%container-get-focus-chain container) |
| 201 | (and chain-set-p focusable-widgets))) |
| 202 | |
| 203 | (defbinding %container-set-focus-chain () nil |
| 204 | (container container) |
| 205 | (focusable-widgets (glist widget))) |
| 206 | |
| 207 | (defbinding %container-unset-focus-chain () nil |
| 208 | (container container)) |
| 209 | |
| 210 | (defun (setf container-focus-chain) (focusable-widgets container) |
| 211 | (if (null focusable-widgets) |
| 212 | (%container-unset-focus-chain container) |
| 213 | (%container-set-focus-chain container focusable-widgets))) |
| 214 | |
| 215 | (defgeneric container-show-recursive (container)) |
| 216 | |
| 217 | (defmethod container-show-recursive ((container container)) |
| 218 | "Recursively show any child widgets except widgets explicit hidden during construction." |
| 219 | (labels ((recursive-show (widget) |
| 220 | (when (typep widget 'container) |
| 221 | (if (not (user-data-p widget 'show-recursive-p)) |
| 222 | (container-foreach widget #'recursive-show) |
| 223 | (unset-user-data widget 'show-recursive-p))) |
| 224 | (unless (widget-hidden-p widget) |
| 225 | (widget-show widget)))) |
| 226 | (container-foreach container #'recursive-show))) |