mdw@git.distorted.org.uk Git - clg/blob - gtk/gtkutils.lisp

   1 ;; Common Lisp bindings for GTK+ v2.0
   2 ;; Copyright (C) 1999-2000 Espen S. Johnsen <espejohn@online.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: gtkutils.lisp,v 1.7 2005-04-19 08:12:58 espen Exp $
  19
  20
  21 (in-package "GTK")
  22
  23 (defun create-button (specs &optional callback &key object)
  24   (destructuring-bind (label &rest initargs) (mklist specs)
  25     (let ((button
  26            (apply #'make-instance 'button :label label :visible t initargs)))
  27       (if callback
  28           (signal-connect button 'clicked callback :object object)
  29         (setf (widget-sensitive-p button) nil))
  30       button)))
  31
  32
  33 (defun create-label (label &rest args)
  34   (apply #'make-instance 'label :label label args))
  35
  36
  37 ;; TODO: same syntax as create-button
  38 (defun %create-toggleable-button (class label callback initstate initargs)
  39   (let ((button
  40          (apply #'make-instance class :label label :active initstate :visible t
  41                 initargs)))
  42     (signal-connect
  43      button 'toggled
  44      #'(lambda ()
  45          (funcall (funcallable callback) (toggle-button-active-p button))))
  46     (funcall (funcallable callback) initstate)
  47     button))
  48
  49 (defun create-toggle-button (label callback &optional initstate &rest initargs)
  50   (%create-toggleable-button 'toggle-button label callback initstate initargs))
  51
  52 (defun create-check-button (label callback &optional initstate &rest initargs)
  53   (%create-toggleable-button 'check-button label callback initstate initargs))
  54
  55 (defun adjustment-new (value lower upper step-increment page-increment page-size)
  56   (make-instance 'adjustment
  57    :value value :lower lower :upper upper :step-increment step-increment
  58    :page-increment page-increment :page-size page-size))
  59
  60 (defun make-radio-group (type specs callback &rest initargs)
  61   (let* ((active ())
  62          (widgets
  63           (loop
  64            for spec in specs
  65            as widget = (apply #'make-instance type (append spec initargs))
  66            do (when callback
  67                (apply #'add-activate-callback widget (mklist callback)))
  68               (when (and (not active) (getf spec :active))
  69                 (setq active widget))
  70           collect widget)))
  71
  72     (let ((active (or active (first widgets))))
  73       (loop
  74        for widget in widgets
  75        unless (eq widget active)
  76        do (add-to-radio-group widget active))
  77       (activate-radio-widget active))
  78
  79     widgets))