X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/d2ba9d8606444090f642bbceab7ce2b9b903e6e3..112ac1d33aa8f9b7f3d2f9542d15431f152b1d35:/gtk/gtkcontainer.lisp

diff --git a/gtk/gtkcontainer.lisp b/gtk/gtkcontainer.lisp
index a6981c6..2987297 100644
--- a/gtk/gtkcontainer.lisp
+++ b/gtk/gtkcontainer.lisp
@@ -1,28 +1,39 @@
-;; Common Lisp bindings for GTK+ v2.0
-;; Copyright (C) 2000 Espen S. Johnsen <esj@stud.cs.uit.no>
+;; Common Lisp bindings for GTK+ v2.x
+;; Copyright 2000-2005 Espen S. Johnsen <espen@users.sf.net>
 ;;
-;; This library is free software; you can redistribute it and/or
-;; modify it under the terms of the GNU Lesser General Public
-;; License as published by the Free Software Foundation; either
-;; version 2 of the License, or (at your option) any later version.
+;; Permission is hereby granted, free of charge, to any person obtaining
+;; a copy of this software and associated documentation files (the
+;; "Software"), to deal in the Software without restriction, including
+;; without limitation the rights to use, copy, modify, merge, publish,
+;; distribute, sublicense, and/or sell copies of the Software, and to
+;; permit persons to whom the Software is furnished to do so, subject to
+;; the following conditions:
 ;;
-;; This library is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-;; Lesser General Public License for more details.
+;; The above copyright notice and this permission notice shall be
+;; included in all copies or substantial portions of the Software.
 ;;
-;; You should have received a copy of the GNU Lesser General Public
-;; License along with this library; if not, write to the Free Software
-;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: gtkcontainer.lisp,v 1.15 2004-12-29 21:14:23 espen Exp $
+;; $Id: gtkcontainer.lisp,v 1.18 2005-04-23 16:48:52 espen Exp $
 
 (in-package "GTK")
 
-
 (defmethod shared-initialize ((container container) names &rest initargs 
-			      &key child children child-args)
+			      &key child children child-args 
+			           (show-children nil show-children-p))
   (declare (ignore child children))
+  (when show-children-p
+    (if (not show-children)
+	(setf (user-data container 'show-recursive-p) nil)
+      (signal-connect container 'show #'container-show-recursive 
+       :object t :remove t)))
+
   (call-next-method)
   (initial-add container 
    #'(lambda (container args) 
@@ -30,6 +41,15 @@ (defmethod shared-initialize ((container container) names &rest initargs
    initargs :child :children))
 
 
+(defmethod compute-signal-function ((container container) signal function object)
+  (if (eq object :children)
+      #'(lambda (&rest args)
+	  (mapc #'(lambda (child)
+		    (apply function child (rest args)))
+		(container-children container)))
+    (call-next-method)))
+
+
 (defbinding %container-add () nil
   (container container)
   (widget widget))
@@ -44,7 +64,6 @@ (defmethod container-add ((container container) (widget widget) &rest args)
       (gethash (class-of container) *container-to-child-class-mappings*)
       :parent container :child widget args))))
 
-
 (defbinding %container-remove () nil
   (container container)
   (widget widget))
@@ -159,3 +178,16 @@ (defun (setf container-focus-chain) (focusable-widgets container)
   (if (null focusable-widgets)
       (%container-unset-focus-chain container)
     (%container-set-focus-chain container focusable-widgets)))
+
+(defgeneric container-show-recursive (container))
+
+(defmethod container-show-recursive ((container container))
+  "Recursively shows any child widgets except widgets explicit hidden during construction."
+  (labels ((recursive-show (widget)
+	     (when (typep widget 'container)
+	       (if (not (user-data-p widget 'show-recursive-p))
+		   (container-foreach widget #'recursive-show)
+		 (unset-user-data widget 'show-recursive-p)))
+	     (unless (widget-hidden-p widget)
+	       (widget-show widget))))
+    (container-foreach container #'recursive-show)))