/usr/share/common-lisp/source/spatial-trees/spatial-tree-viz.lisp is in cl-spatial-trees 0.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;;;; spatial-tree Visualization Toy. Mostly by Andy Hefner; some
;;;; modifications by Christophe Rhodes
;; For best results, use a McCLIM newer than Nov.11, 2004 :)
(define-presentation-type spatial-tree-node ())
(define-presentation-type entry ())
(define-application-frame spatial-tree-viz ()
((tree :initarg :tree :reader tree)
(scale :initarg :scale :initform 200 :accessor scale)
(expanded-nodes :initform (make-hash-table) :reader expanded-nodes))
(:panes (hierarchy-pane (make-pane 'application-pane
:display-time t
:end-of-page-action :allow
:end-of-line-action :allow
:text-style (make-text-style :sans-serif :roman :normal)
:display-function 'print-tree-hierarchy))
(inspect (make-pane 'application-pane :display-time nil
:end-of-page-action :allow
:end-of-line-action :allow))
(viz (make-pane 'application-pane :display-time t
:display-function 'draw-layout))
(zoom-in (make-pane 'push-button :label "Zoom In"
:activate-callback 'zoom-in))
(zoom-out (make-pane 'push-button :label "Zoom Out"
:activate-callback 'zoom-out)))
(:command-table (spatial-tree-viz))
(:pointer-documentation t)
(:layouts
(default
(vertically ()
(horizontally ()
(labelling (:label "Hierarchy")
(scrolling (:scroll-bars :vertical)
hierarchy-pane))
(make-pane 'clim-extensions:box-adjuster-gadget)
(labelling (:label "Layout" :width +fill+)
(vertically ()
(scrolling (:suggested-width 500 :suggested-height 500)
viz)
(horizontally () zoom-in zoom-out))))
(make-pane 'clim-extensions:box-adjuster-gadget)
(labelling (:label "Details")
(scrolling (:suggested-width 600)
inspect))))))
;;; Display Code
(defun print-tree-node (frame pane node &key (indent 0))
(indenting-output (pane indent)
(etypecase node
(spatial-trees-protocol:spatial-tree-node
(with-output-as-presentation (pane node 'spatial-tree-node)
(format pane "~A (~A children)~%" (type-of node) (length (spatial-trees-protocol:children node)))))
(spatial-trees-impl::leaf-node-entry
;; FIXME: this should also be presented as the object in the
;; LEAF-NODE-ENTRY-DATUM slot
(with-output-as-presentation (pane node 'entry)
(multiple-value-call #'format pane
"Rectangle (~1,2F,~1,2F)-(~1,2F,~1,2F)~%"
(rect* (spatial-trees-impl::leaf-node-entry-rectangle node))))))
(when (gethash node (expanded-nodes frame))
(dolist (child (spatial-trees-protocol:children node))
(print-tree-node frame pane child :indent (+ indent 16))))))
(defun print-tree-hierarchy (frame pane)
(print-tree-node frame pane (spatial-trees-protocol:root-node (tree frame))))
(defun rect* (rectangle)
(values
(first (rectangles:lows rectangle)) (second (rectangles:lows rectangle))
(first (rectangles:highs rectangle)) (second (rectangles:highs rectangle))))
(defun draw-layout (frame pane &optional (node (tree frame)))
(etypecase node
(spatial-trees-protocol:spatial-tree
(with-room-for-graphics (pane :first-quadrant nil)
(with-scaling (pane (scale frame))
(draw-layout frame pane (spatial-trees-protocol:root-node node))))
(change-space-requirements pane ;; FIXME: McCLIM should do this itself.
:width (bounding-rectangle-width (stream-output-history pane))
:height (bounding-rectangle-height (stream-output-history pane))))
(spatial-trees-protocol:spatial-tree-leaf-node
(dolist (child (spatial-trees-protocol:records node))
(draw-layout frame pane child))
(when (slot-boundp node 'spatial-trees-impl::mbr)
(multiple-value-call #'draw-rectangle*
pane (rect* (slot-value node 'spatial-trees-impl::mbr))
:ink +red+ :filled nil)))
(spatial-trees-protocol:spatial-tree-node
(dolist (child (spatial-trees-protocol:children node))
(draw-layout frame pane child))
(when (slot-boundp node 'spatial-trees-impl::mbr)
(multiple-value-call #'draw-rectangle*
pane (rect* (slot-value node 'spatial-trees-impl::mbr))
:ink +black+ :filled nil)))
(spatial-trees-impl::leaf-node-entry
(with-output-as-presentation (pane node 'entry)
(multiple-value-call #'draw-rectangle*
pane (rect* (spatial-trees-impl::leaf-node-entry-rectangle node))
:ink +blue+ :filled nil :line-dashes #(1 1))))))
;;; Callbacks
(defun zoom-in (pane)
(declare (ignore pane))
(setf (scale *application-frame*)
(* 2 (scale *application-frame*)))
(redisplay-frame-pane *application-frame* (get-frame-pane *application-frame* 'viz) :force-p t))
(defun zoom-out (pane)
(declare (ignore pane))
(setf (scale *application-frame*)
(/ (scale *application-frame*) 2))
(redisplay-frame-pane *application-frame* (get-frame-pane *application-frame* 'viz) :force-p t))
;;; Commands
(define-spatial-tree-viz-command (com-toggle-node :name "Toggle Expand Node")
((node 'spatial-tree-node :prompt :node :gesture :select))
(if (gethash node (expanded-nodes *application-frame*))
(remhash node (expanded-nodes *application-frame*))
(setf (gethash node (expanded-nodes *application-frame*)) t))
(setf (pane-needs-redisplay (get-frame-pane *application-frame* 'hierarchy-pane)) t))
(define-spatial-tree-viz-command (com-describe-node :name "Describe Node")
((node 'spatial-tree-node :prompt :node :gesture :describe))
(describe node (get-frame-pane *application-frame* 'inspect)))
(define-spatial-tree-viz-command (com-describe-entry :name "Describe Entry")
((node 'entry :prompt :node :gesture :describe))
(describe node (get-frame-pane *application-frame* 'inspect)))
;;; Foo
(defun inspect-spatial-tree (tree)
(run-frame-top-level
(make-application-frame 'spatial-tree-viz
:tree tree :pretty-name "Spatial Tree Visualizer")))
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