From 52deb7e5fafaae119cef1717176f78e12bbbd96e Mon Sep 17 00:00:00 2001
Message-Id: <52deb7e5fafaae119cef1717176f78e12bbbd96e.1713895455.git.mdw@distorted.org.uk>
From: Mark Wooding <mdw@chiark.greenend.org.uk>
Date: Thu, 5 Oct 2000 17:21:46 +0000
Subject: [PATCH] Initial checkin
Organization: Straylight/Edgeware

From: espen <espen>

---
 gtk/gtkutils.lisp | 112 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 gtk/gtkutils.lisp

diff --git a/gtk/gtkutils.lisp b/gtk/gtkutils.lisp
new file mode 100644
index 0000000..08393a0
--- /dev/null
+++ b/gtk/gtkutils.lisp
@@ -0,0 +1,112 @@
+;; Common Lisp bindings for GTK+ v2.0
+;; Copyright (C) 1999-2000 Espen S. Johnsen <espejohn@online.no>
+;;
+;; 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.
+;;
+;; 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.
+;;
+;; 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
+
+;; $Id: gtkutils.lisp,v 1.1 2000-10-05 17:21:46 espen Exp $
+
+
+(in-package "GTK")
+
+(defun create-button (specs &optional callback &rest args)
+  (destructuring-bind (label &rest initargs) (mklist specs)
+    (let ((button
+	   (apply #'make-instance 'button :label label :visible t initargs)))
+      (if callback
+	  (signal-connect
+	   button 'clicked
+	   #'(lambda ()
+	       (apply (funcallable callback) args)))
+	(setf (widget-sensitive-p button) nil))
+      button)))
+
+(defun %create-toggleable-button (class label callback state args)
+  (let ((button (make-instance class :label label :active state :visible t)))
+    (signal-connect
+     button 'toggled
+     #'(lambda ()
+	 (apply (funcallable callback) (toggle-button-active-p button) args)))
+    (apply (funcallable callback) state args)
+    button))
+
+(defun create-toggle-button (label callback &optional state &rest args)
+  (%create-toggleable-button 'toggle-button label callback state args))
+
+(defun create-check-button (label callback &optional state &rest args)
+  (%create-toggleable-button 'check-button label callback state args))
+
+(defun create-radio-button-group (specs active &optional callback &rest args)
+  (let ((group nil)
+	(i 0))
+    (mapcar
+     #'(lambda (spec)
+	 (destructuring-bind
+	     (label &optional object &rest initargs) (mklist spec)
+	   (let ((button
+		  (apply
+		   #'make-instance 'radio-button
+		   :label label :visible t initargs)))
+	     (when group (%radio-button-set-group button group))
+	     (setq group (%radio-button-get-group button))
+	     (cond
+	      (callback
+	       (signal-connect
+		button 'toggled
+		#'(lambda ()
+		    (when (toggle-button-active-p button)
+		      (apply (funcallable callback) object args)))))
+	      (object
+	       (signal-connect
+		button 'toggled
+		#'(lambda ()
+		    (apply
+		     (funcallable object)
+		     (toggle-button-active-p button) args)))))
+	     (when (= i active)
+	       (setf (toggle-button-active-p button) t))
+	     (incf i)
+	     button)))
+     specs)))
+
+(defun create-option-menu (specs active &optional callback &rest args)
+  (let ((menu (make-instance 'menu))
+	(group nil)
+	(i 0))
+    (dolist (spec specs)
+      (destructuring-bind (label &optional object &rest initargs) (mklist spec)
+	(let ((menu-item
+	       (apply
+		#'make-instance 'radio-menu-item
+		:label label :active (= i active) initargs)))
+	  (when group (%radio-menu-item-set-group menu-item group))
+	  (setq group (%radio-menu-item-get-group menu-item))
+	  (cond
+	   (callback
+	    (signal-connect
+	     menu-item 'activated
+	     #'(lambda ()
+		 (apply (funcallable callback) object args))))
+	   (object
+	    (signal-connect
+	     menu-item 'toggled
+	     #'(lambda ()
+		 (apply
+		  (funcallable object)
+		  (check-menu-item-active-p menu-item) args)))))
+	  (incf i)
+	  (menu-shell-append menu menu-item))))
+    
+    (make-instance 'option-menu :history active :menu menu)))
+
-- 
[mdw]