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cells-gui.lisp
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cells-gui.lisp
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(ql:quickload "cells")
(ql:quickload "pure-x11")
(ql:quickload "sb-concurrency")
(ql:quickload "spatial-trees")
(ql:quickload "cl-containers")
(ql:quickload "alexandria")
(defpackage :g-cells
(:use :cl :pure-x11 :cells :alexandria))
(in-package :g-cells)
(declaim (optimize (speed 0) (safety 3) (debug 3)))
;; https://github.com/plops/cl-learn-cells
;; https://github.com/kennytilton/celtk
;; http://www.x.org/archive/X11R7.5/doc/x11proto/proto.pdf
;; spatial datastructure:
;; https://github.com/rpav/spatial-trees
;; storage for pointer history
;; https://github.com/gwkkwg/cl-containers/blob/master/dev/ring-buffers.lisp
;; constraints programming
;; 10.1.1.32.24.pdf
;; during development connect using localhost:6000 so that I can see
;; the packages in wireshark
;; if connection fails with reason 'no protocol specified' call 'xhost +'
(handler-case (let ((fn (format nil "~a" (first (directory "/tmp/.X11-unix/X*")))))
(format t "trying to open ~a.~%" fn)
(connect :filename fn))
(sb-bsd-sockets:connection-refused-error ()
(sb-ext:run-program "/usr/bin/socat" `("-d" "-d" "TCP-LISTEN:6000,fork,bind=localhost"
,(format nil "UNIX-CONNECT:~a"
(first (directory "/tmp/.X11-unix/X*"))))
:wait nil)
(connect))
(pure-x11::con-fail-0 ()
(sb-ext:run-program "/usr/bin/xhost" `("+")
:wait t)))
(progn ;; open a window and draw a line
(make-window)
(draw-window 0 0 100 100))
(draw-window 0 0 100 100)
(pure-x11::clear-area)
(query-pointer)
(force-output pure-x11::*s*)
#+nil
(loop for i below 100 do
(format t "~a~%" (multiple-value-list (query-pointer)))
(sleep .1))
(defparameter *mailbox-rx* (sb-concurrency:make-mailbox :name 'rx))
(sb-concurrency:list-mailbox-messages *mailbox-rx*)
(defun handle-x11-event (msg)
"0 error
1 reply
4 button press
5 button release
6 pointer moved
12 expose"
(let ((type (aref msg 0)))
(cond
((eq type 0) (format t "error ~{~2x ~}~%" (loop for e across msg
collect e)))
((eq type 1) (format t "reply ~{~2x ~}~%" (loop for e across msg
collect e)))
((member type '(4 5 6))
(multiple-value-bind (event-x event-y state timestamp)
(pure-x11::parse-motion-notify msg)
(let ((button (pure-x11::key-button-r state)))
(sb-concurrency:send-message *mailbox-rx* (list event-x event-y))
(format t "pointer ~{~?~^ ~}.~%"
`("pos=~{~4,'0d~^x~}" ((,event-x ,event-y))
"state=0x~4,'0x" (,state)
"ts=~6,'0d" (,timestamp)
"button=~a" (,button))))))
((eq type 12)
(format t "expose~%")
)
(t ;; some other event
(format t "event ~{~2x ~}~%" (loop for e across msg
collect e))))))
(sb-thread:make-thread
#'(lambda ()
(loop while t do
(let ((msg (pure-x11::read-reply-wait)))
(handle-x11-event msg))))
:name "x11-event-handler-thread")
(defparameter *ring* (cl-containers:make-container 'cl-containers:ring-buffer :total-size 12))
(cl-containers:insert-item *ring*
(sb-concurrency:receive-message *mailbox-rx*))
(cl-containers:iterate-nodes *ring*
#'(lambda (item)
(format t "~a" item)))
(defstruct (p (:constructor p (x y)))
x y)
(p 5 6)
(defun random-p (x y)
(p (random (float x))
(random (float y))))
(defun p-bbox (p)
(with-slots (x y) p
(rectangles:make-rectangle
:lows (list (- x .1) (- y .1))
:highs (list (+ x .1) (+ y .1)))))
(defparameter *tree* (spatial-trees:make-spatial-tree :r :rectfun #'p-bbox))
(loop for i below 100 do
(spatial-trees:insert (random-p 5 5) *tree*))
(spatial-trees:search (random-p 3.5 3.5) *tree*)
(defmacro .defmodel (name super slots)
`(defmodel ,name ,super
,(loop for slot in slots collect
(destructuring-bind (slot-name &key (accessor slot-name)
(initarg (make-keyword slot-name))
(type 'double-float)
(initval 0)
(initform `(c-in (coerce ,initval ',type)) initform-p)
) slot
`(,slot-name :accessor ,accessor
,@(if initform-p
`(:initform ,initform)
`(:initarg ,initarg
:initform ,initform)
)
;:type ,type
)))))
(.defmodel rect ()
#.`((x :initval 0)
(y :initval 0)
(xspan :initval 1)
(yspan :initval 1)
,@(loop for c in '(x y) append
(loop for (n op) in '((min -) (max +)) collect
`(,(symbolicate c n)
:initform (c? (,op (,c self)
(/ (,(symbolicate 'x 'span) self)
2))))))))
(defmethod draw ((self rect); &key (gc pure-x11::*gc*)
)
(format t "method-draw-rect")
(progn
(with-slots (xmin xmax ymin ymax) self
(when (and xmin xmax ymin ymax)
(let ((x1 (floor xmin))
(y1 (floor ymin))
(x2 (floor xmax))
(y2 (floor ymax))
(gc pure-x11::*gc*))
(draw-window x1 y1 x2 y1 :gc gc
)
(draw-window x2 y1 x2 y2 :gc gc
)
(draw-window x2 y2 x1 y2 :gc gc
)
(draw-window x1 y2 x1 y1 :gc gc
))))
(force-output pure-x11::*s*)))
(pure-x11::clear-area)
(eval
`(progn
,@(loop for e in '(x y xspan yspan xmin xmax ymin ymax) collect
`(defobserver ,e ((self rect))
(format t "~&~a=~a~%" ',e new-value)
(draw self)
))))
(defparameter *bla* (make-instance 'rect :x (c-in 200) :y (c-in 120) :xspan (c-in 30) :yspan (c-in 80)))
#+nil
(cells:cells-reset)
(pure-x11::clear-area)
(setf (x *bla*) 202)