mdw@git.distorted.org.uk Git - clg/blob - 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 1.15 2004-12-29 21:14:23 espen Exp $
  19
  20 (in-package "GTK")
  21
  22
  23 (defmethod shared-initialize ((container container) names &rest initargs
  24                               &key child children child-args)
  25   (declare (ignore child children))
  26   (call-next-method)
  27   (initial-add container
  28    #'(lambda (container args)
  29        (apply #'container-add container (append (mklist args) child-args)))
  30    initargs :child :children))
  31
  32
  33 (defbinding %container-add () nil
  34   (container container)
  35   (widget widget))
  36
  37 (defmethod container-add ((container container) (widget widget) &rest args)
  38   (%container-add container widget)
  39   (when args
  40     (setf
  41      (slot-value widget 'child-properties)
  42      (apply
  43       #'make-instance
  44       (gethash (class-of container) *container-to-child-class-mappings*)
  45       :parent container :child widget args))))
  46
  47
  48 (defbinding %container-remove () nil
  49   (container container)
  50   (widget widget))
  51
  52 (defmethod container-remove ((container container) (widget widget))
  53   (%container-remove container widget)
  54   (slot-makunbound widget 'child-properties))
  55
  56
  57 (defbinding %container-child-get-property () nil
  58   (container container)
  59   (child widget)
  60   (property-name string)
  61   (value gvalue))
  62
  63 (defbinding %container-child-set-property () nil
  64   (container container)
  65   (child widget)
  66   (property-name string)
  67   (value gvalue))
  68
  69
  70 (defbinding container-check-resize () nil
  71   (container container))
  72
  73 (def-callback-marshal %foreach-callback (nil widget))
  74
  75 (defbinding %container-foreach (container callback-id) nil
  76   (container container)
  77   ((callback %foreach-callback) pointer)
  78   (callback-id unsigned-int))
  79
  80 (defun container-foreach (container function)
  81   (with-callback-function (id function)
  82     (%container-foreach container id)))
  83
  84 (defbinding %container-forall (container callback-id) nil
  85   (container container)
  86   ((callback %foreach-callback) pointer)
  87   (callback-id unsigned-int))
  88
  89 (defun container-forall (container function)
  90   (with-callback-function (id function)
  91     (%container-forall container id)))
  92
  93 (defun map-container (seqtype func container)
  94   (case seqtype
  95     ((nil)
  96      (container-foreach container func)
  97      nil)
  98     (list
  99      (let ((list nil))
 100        (container-foreach
 101         container
 102         #'(lambda (child)
 103             (push (funcall func child) list)))
 104        (nreverse list)))
 105     (t
 106      (let ((seq (make-sequence seqtype (container-length container)))
 107            (index 0))
 108        (container-foreach
 109         container
 110         #'(lambda (child)
 111             (setf (elt seq index) (funcall func child))
 112             (incf index)))
 113        seq))))
 114
 115 (defmethod container-children ((container container))
 116   (map-container 'list #'identity container))
 117
 118 (defmethod (setf container-children) (children (container container))
 119   (dolist (child (container-children container))
 120     (container-remove container child))
 121   (dolist (child children)
 122     (apply #'container-add container (mklist child)))
 123   children)
 124
 125 (defun container-length (container)
 126   (let ((n 0))
 127     (container-foreach container
 128      #'(lambda (child)
 129          (declare (ignore child))
 130          (incf n)))
 131     n))
 132
 133 (defbinding container-resize-children () nil
 134   (container container))
 135
 136 (defbinding container-propagate-expose () nil
 137   (container container)
 138   (child widget)
 139   (event gdk:expose-event))
 140
 141
 142 (defbinding %container-get-focus-chain () boolean
 143   (container container)
 144   (focusable-widgets (glist widget) :out))
 145
 146 (defun container-focus-chain (container)
 147   (multiple-value-bind (chain-set-p focusable-widgets)
 148       (%container-get-focus-chain container)
 149     (and chain-set-p focusable-widgets)))
 150
 151 (defbinding %container-set-focus-chain () nil
 152   (container container)
 153   (focusable-widgets (glist widget)))
 154
 155 (defbinding %container-unset-focus-chain () nil
 156   (container container))
 157
 158 (defun (setf container-focus-chain) (focusable-widgets container)
 159   (if (null focusable-widgets)
 160       (%container-unset-focus-chain container)
 161     (%container-set-focus-chain container focusable-widgets)))