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;;; wasp-overlay --- Fullscreen overlay -*- lexical-binding: t; -*-
;;; Commentary:
;;; Code:
(require 'wasp-utils)
(require 'wasp-bus-binary)
(defun w/overlay-toggle (effect)
"Toggle EFFECT in the overlay."
(w/binary-pub "overlay toggle" effect))
(defun w/overlay-toggle-set (effect)
"Turn on EFFECT in the overlay."
(w/binary-pub "overlay toggle set" effect))
(defun w/overlay-toggle-unset (effect)
"Turn off EFFECT in the overlay."
(w/binary-pub "overlay toggle unset" effect))
(defun w/overlay-shader (user shader)
"Set the overlay shader to SHADER by USER."
(w/binary-pub "overlay shader"
(s-concat
(w/bus-binary-build-length-prefixed user)
(w/bus-binary-build-length-prefixed shader))))
(defun w/overlay-chat (msg)
"Update the overlay about chat MSG."
;; (w/binary-pub "overlay chat"
;; (s-concat
;; (w/bus-binary-build-length-prefixed (w/. user msg))
;; (w/bus-binary-build-length-prefixed (w/. text msg))
;; (w/bus-binary-build-length-prefixed (format "%s" (w/unix-time)))
;; (w/bus-binary-build-length-prefixed (format "%s" (or (w/. biblicality msg) 0.0)))))
)
(defun w/overlay-muzak (user song)
"Update the overlay about Muzak SONG played by USER."
(ignore song)
(w/binary-pub "overlay info credits music" user))
(defun w/overlay-muzak-clear ()
"Tell the overlay that there is no Muzak song playing."
(w/binary-pub "overlay info credits music clear" ""))
(defvar w/overlay-last-cursor nil)
(defun w/overlay-update-cursor ()
"Inform the overlay about the current cursor position."
(when (and (process-live-p (get-process w/bus-binary-process)))
(when-let* ((pos (window-absolute-pixel-position)))
(when (not (equal pos w/overlay-last-cursor))
(setf w/overlay-last-cursor pos)
(w/binary-pub "overlay asset clear" "")
(w/binary-pub "overlay info emacs cursor"
(s-concat
(w/bus-binary-build-length-prefixed (format "%s" (car pos)))
(w/bus-binary-build-length-prefixed (format "%s" (cdr pos)))))))))
(add-hook 'post-command-hook #'w/overlay-update-cursor)
(defun w/overlay-emacs ()
"Update the overlay with miscellaneous data from Emacs."
;; (w/binary-pub "overlay info emacs" (w/bus-binary-build-int32le (w/heartrate)))
)
(defun w/overlay-automata (user s &optional color)
"Send a cellular automata S from USER in RLE format to the overlay.
Optionally, make the cells be COLOR."
(w/binary-pub "overlay automata spawn"
(s-concat
(w/bus-binary-build-length-prefixed s)
(w/bus-binary-build-length-prefixed user)
(w/bus-binary-build-int32le (string-to-number (s-chop-prefix "#" (or color (w/random-color))) 16)))))
;;;; Clippy
(defun w/overlay-clippy-animate (anim)
"Set the Clippy animation to ANIM."
(w/binary-pub "overlay clippy animate"
(s-concat
(w/bus-binary-build-length-prefixed anim))))
(defun w/overlay-clippy-border (border)
"Set the Clippy border state to BORDER."
(w/binary-pub
(if border
"overlay clippy border on"
"overlay clippy border off")
""))
(cl-defstruct (w/overlay-clippy-event (:constructor w/overlay-clippy-event-new))
timestamp
type)
(define-derived-mode w/overlay-clippy-mode special-mode "Karl Klammer"
"Major mode for displaying Clippy dialogue."
:group 'wasp
(setq mode-line-format nil))
(defface w/overlay-clippy-face
'((t
:foreground "black"
:font "Terminus (TTF):antialias=false:hinting=false:pixelsize=12"
))
"Face for Clippy dialogue."
:group 'wasp)
(defconst w/overlay-clippy-frame-buffer-name " *clippy-dialogue*")
(defvar w/overlay-clippy-frame-background-color "#ffffcc")
(defvar w/overlay-clippy-frame nil)
(defvar w/overlay-clippy-last-event nil)
(defvar w/overlay-clippy-speech-timer nil)
(defun w/overlay-clippy-frame-buffer ()
"Return the buffer used to display Clippy dialogue."
(let ((name w/overlay-clippy-frame-buffer-name))
(unless (get-buffer name)
(with-current-buffer (get-buffer-create name)
(w/overlay-clippy-mode)))
(get-buffer name)))
(defun w/overlay-clippy-frame-create ()
"Build a frame for displaying completion candidates."
(when (framep w/overlay-clippy-frame)
(delete-frame w/overlay-clippy-frame))
(setf
w/overlay-clippy-frame
(make-frame
(append
`((name . "clippy")
(unsplittable . t)
(undecorated . t)
(no-accept-focus . t)
(no-focus-on-map . t)
(override-redirect . t)
(user-size . t)
(width . 25)
(height . 8)
(user-position . t)
(left . 1600)
(top . 550)
(default-minibuffer-frame . ,(selected-frame))
(minibuffer . nil)
(left-fringe . 0)
(right-fringe . 0)
(cursor-type . nil)
(background-color . ,w/overlay-clippy-frame-background-color)))))
(make-frame-invisible w/overlay-clippy-frame)
(let ((window (frame-selected-window w/overlay-clippy-frame)))
(set-window-buffer window (w/overlay-clippy-frame-buffer))))
(w/overlay-clippy-frame-create)
(defun w/overlay-clippy-clear ()
"Clear the Clippy buffer."
(when w/overlay-clippy-frame
(modify-frame-parameters w/overlay-clippy-frame
`((background-color . ,w/overlay-clippy-frame-background-color))))
(with-current-buffer (w/overlay-clippy-frame-buffer)
(let ((inhibit-read-only t))
(erase-buffer))))
(defun w/overlay-clippy-write (msg)
"Write MSG to the Clippy buffer."
(when w/overlay-clippy-frame
(modify-frame-parameters w/overlay-clippy-frame
`((background-color . ,w/overlay-clippy-frame-background-color))))
(let ((window (frame-selected-window w/overlay-clippy-frame)))
(set-window-buffer window (w/overlay-clippy-frame-buffer)))
(with-current-buffer (w/overlay-clippy-frame-buffer)
(let ((inhibit-read-only t))
(w/write-line msg 'w/overlay-clippy-face))))
(defun w/overlay-clippy-say (msg)
"Have Clippy say MSG."
(unless w/overlay-clippy-speech-timer
(w/overlay-clippy-clear)
(w/overlay-clippy-write msg)
(w/overlay-clippy-border t)
(w/show-frame w/overlay-clippy-frame t)
(raise-frame w/overlay-clippy-frame)
(w/overlay-clippy-animate "EXPLAIN")
(setf w/overlay-clippy-speech-timer 10)))
(require 'flymake)
(defun w/overlay-clippy-check-events ()
"Check for events that Clippy should respond to."
(when-let* ((diags (--filter (s-equals? "clippy" (flymake-diagnostic-origin it)) (flymake-diagnostics))))
(w/overlay-clippy-say
(s-concat
"It looks like you made a mistake.\nWould you like help with that?\n\n"
(s-join "\n"
(--map
(s-concat
(or
(-some->>
(flymake-diagnostic-data it)
(alist-get 'eglot-lsp-diag)
(w/plist-get :range)
(w/plist-get :start)
(w/plist-get :line)
(format "On line %s:\n"))
"")
(flymake-diagnostic-message it))
diags))))))
(defun w/overlay-clippy-update ()
"Update Clippy."
(when w/overlay-clippy-speech-timer
(cl-decf w/overlay-clippy-speech-timer)
(when (<= w/overlay-clippy-speech-timer 0)
(w/overlay-clippy-border nil)
(w/show-frame w/overlay-clippy-frame nil)
(setf w/overlay-clippy-speech-timer nil)))
(w/overlay-clippy-check-events))
(defvar w/overlay-clippy-timer nil)
(defun w/overlay-clippy-timer-run ()
"Run the gizmo update timer."
(when w/overlay-clippy-timer
(cancel-timer w/overlay-clippy-timer))
(w/overlay-clippy-update)
(setq
w/overlay-clippy-timer
(run-with-timer 1 nil #'w/overlay-clippy-timer-run)))
(defun w/overlay-display-asset (type path)
"Indicate to the overlay that it should display an asset of TYPE at PATH."
(w/binary-pub "overlay asset display"
(s-concat
(w/bus-binary-build-length-prefixed type)
(w/bus-binary-build-length-prefixed path))))
(defun w/overlay-asset-eldoc-display-function (docs interactive)
"Handler for `eldoc-display-functions' (DOCS INTERACTIVE)."
(ignore interactive)
(-each docs
(lambda (doc)
(when-let* ((docstr (format "%s" (car doc))))
(--each
(s-match-strings-all
(rx bol
"newton-" (group (one-or-more alnum)) ":" (zero-or-more space)
(group (one-or-more printing)) eol)
docstr)
(-when-let ((_ type path) it)
(w/overlay-display-asset type path)))))))
(add-to-list 'eldoc-display-functions #'w/overlay-asset-eldoc-display-function)
(provide 'wasp-overlay)
;;; wasp-overlay.el ends here
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