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 1.11 2004-11-07 01:23:38 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   (let ((callback-id (register-callback-function function)))
  79     (unwind-protect
  80         (%container-foreach container callback-id)
  81       (destroy-user-data callback-id))))
  82
  83 (defun map-container (seqtype func container)
  84   (case seqtype
  85     ((nil)
  86      (container-foreach container func)
  87      nil)
  88     (list
  89      (let ((list nil))
  90        (container-foreach
  91         container
  92         #'(lambda (child)
  93             (push (funcall func child) list)))
  94        (nreverse list)))
  95     (t
  96      (let ((seq (make-sequence seqtype (container-length container)))
  97            (index 0))
  98        (container-foreach
  99         container
 100         #'(lambda (child)
 101             (setf (elt seq index) (funcall func child))
 102             (incf index)))
 103        seq))))
 104
 105 (defmacro do-container ((var container &optional (result nil)) &body body)
 106   (let ((continue (make-symbol "CONTINUE")))
 107     `(let ((,continue t))
 108        (container-foreach
 109         ,container
 110         #'(lambda (,var)
 111             (when ,continue
 112               (setq ,continue nil)
 113               (block nil
 114                 ,@body
 115                 (setq ,continue t)))))
 116        ,result)))
 117
 118 ;; (defbinding %container-get-children () (glist widget)
 119 ;;   (container container))
 120
 121 (defmethod container-children ((container container))
 122 ;;   (%container-get-children container)
 123   (map-container 'list #'identity container))
 124
 125 (defmethod (setf container-children) (children (container container))
 126   (dolist (child (container-children container))
 127     (container-remove container child))
 128   (dolist (child children)
 129     (container-add container child))
 130   children)
 131
 132 (defun container-length (container)
 133   (let ((n 0))
 134     (container-foreach container
 135      #'(lambda (child)
 136          (declare (ignore child))
 137          (incf n)))
 138     n))
 139
 140 (defbinding container-resize-children () nil
 141   (container container))
 142
 143 (defbinding container-propagate-expose () nil
 144   (container container)
 145   (child widget)
 146   (event gdk:expose-event))
 147
 148
 149 (defbinding %container-get-focus-chain () boolean
 150   (container container)
 151   (focusable-widgets (glist widget) :out))
 152
 153 (defun container-focus-chain (container)
 154   (multiple-value-bind (chain-set-p focusable-widgets)
 155       (%container-get-focus-chain container)
 156     (and chain-set-p focusable-widgets)))
 157
 158 (defbinding %container-set-focus-chain () nil
 159   (container container)
 160   (focusable-widgets (glist widget)))
 161
 162 (defbinding %container-unset-focus-chain () nil
 163   (container container))
 164
 165 (defun (setf container-focus-chain) (focusable-widgets container)
 166   (if (null focusable-widgets)
 167       (%container-unset-focus-chain container)
 168     (%container-set-focus-chain container focusable-widgets)))