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;;; -*- Mode: Lisp; Package: CLIM-DEMO -*-
;;; (c) copyright 2006 by
;;; Tim Moore (moore@bricoworks.com)
;;; This library is free software; you can redistribute it and/or
;;; modify it under the terms of the GNU Library 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
;;; Library General Public License for more details.
;;;
;;; You should have received a copy of the GNU Library 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.
(in-package :clim-demo)
(defparameter *colors* (list +black+ +white+ +red+ +green+ +blue+ +magenta+
+cyan+ +yellow+))
(eval-when (:compile-toplevel :load-toplevel :execute)
(defparameter *color-alist* `(("black" . ,+black+)
("white" . ,+white+)
("red" . ,+red+)
("green" . ,+green+)
("blue" . ,+blue+)
("magenta" . ,+magenta+)
("cyan" . ,+cyan+)
("yellow" . ,+yellow+))))
(define-presentation-type named-color ()
:inherit-from `(completion ,*color-alist* :value-key cdr))
(defclass rect ()
((x :accessor x :initarg :x)
(y :accessor y :initarg :y)
(width :accessor width :initarg :width)
(height :accessor height :initarg :height)
(color :accessor color :initarg :color))
(:default-initargs :x 0 :y 0 :width 50 :height 50 :color +black+))
(defgeneric draw (stream thing))
(defmethod draw (stream (thing rect))
(with-output-as-presentation (stream thing 'rect)
(let ((x (x thing))
(y (y thing)))
(draw-rectangle* stream x y (+ x (width thing)) (+ y (height thing))
:ink (color thing)))))
(define-application-frame drag-test ()
((shape1 :accessor shape1 :initform (make-instance 'rect :x 10 :y 10))
(shape2 :accessor shape2 :initform (make-instance 'rect :x 100 :y 10)))
(:pointer-documentation t)
(:panes
(interactor :interactor)
(scribble :application :width 200 :display-function 'display-shapes))
(:layouts
(default
(vertically ()
scribble interactor))))
(defun display-shapes (frame stream)
(draw stream (shape1 frame))
(draw stream (shape2 frame)))
(define-drag-test-command (com-set-color :name t)
((shape 'rect) &key (color 'named-color :default +cyan+ ))
(setf (color shape) color))
(define-drag-test-command (com-set-random-color :name t)
((shape 'rect))
(let ((elt (random (length *color-alist*))))
(setf (color shape) (cdr (nth elt *color-alist*)))))
(define-drag-and-drop-translator com-drop-color
(rect command rect drag-test)
(object destination-object)
(if (eq object destination-object)
`(com-set-random-color ,object)
`(com-set-color ,destination-object :color ,(color object))))
#-(and)
(define-gesture-name :drag-and-drop :pointer-button (:control :left)
:unique t)
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