Move everything around to organize the file better (?)
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notibox.el
223
notibox.el
@ -27,8 +27,11 @@
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;; echo area. It was designed to be used with configurations that hide the echo
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;; area by splitting it into a `minibuffer-frame'.
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;; it even shows multiple notifications in a stack!
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;;; Code:
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;; imports
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(require 'posframe)
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(require 'alert)
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(require 'dash)
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@ -37,9 +40,15 @@
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(require 'shr) ;for `shr-string-pixel-width'
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(defalias #'string-pixel-width #'shr-string-pixel-width)))
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;; variables / customizations
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(defvar notibox-width 40) ; characters
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(defvar notibox-height 4) ; characters
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(defvar notibox-border-color "#808080")
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(defvar notibox-border-color "#808080") ; just a global default
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(defvar notibox-current-posframes nil)
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(defvar last-message nil
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"Previous value of `current-message', stored for notibox.")
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(defvar mir/framove-update-interval 0.05
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"How many seconds to wait before updating incremental frame positions.")
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(defgroup notibox nil
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"The notification box.")
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(defcustom notibox-corner 'bottomright
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@ -52,6 +61,8 @@
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(defvar notibox-padding 30)
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(defvar alert-fade-time 5); seconds, also provided by `alert' package
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(defvar notibox--refresh-delay 0.1) ; seconds. Probably don't change this one.
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;; functions - static frame ----------------------------------------------------
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(defun notibox--get-position (&optional stackdepth)
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"Return the starting coordinate at which to place the next notibox, as cons.
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@ -59,20 +70,20 @@ If STACKDEPTH is non-nil and nonzero, return a position that far down."
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(let* (
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;; need to not overlap the gtk scrollbar
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(scrollbar-width (or (if (eq x-toolkit-scroll-bars 'gtk)
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30) ; educated guess...
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30) ; educated guess...
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0))
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;; (stackdepth (or stackdepth 0))
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(stackdepth 0) ; we do not care actually
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(stackdepth 0) ; we do not care actually
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(parent-width (frame-pixel-width))
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(child-width (* notibox-width (string-pixel-width " ")))
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(parent-height (frame-pixel-height))
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(child-height (* notibox-height (line-pixel-height)))
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(padded-height (+ child-height notibox-padding))
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(x-justify (pcase notibox-corner
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((or 'topleft 'bottomleft) notibox-padding)
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((or 'topright 'bottomright)
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(- (- parent-width scrollbar-width)
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(+ child-width notibox-padding)))))
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((or 'topleft 'bottomleft) notibox-padding)
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((or 'topright 'bottomright)
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(- (- parent-width scrollbar-width)
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(+ child-width notibox-padding)))))
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(y-justify (pcase notibox-corner
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((or 'topleft 'topright) notibox-padding)
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((or 'bottomleft 'bottomright)
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@ -82,27 +93,7 @@ If STACKDEPTH is non-nil and nonzero, return a position that far down."
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((or 'bottomleft 'bottomright) #'-)))
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(y-coord (funcall y-direction y-justify (* stackdepth padded-height)))
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)
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(cons x-justify y-coord)
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))
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;; (notibox--get-position 3)
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(defun notibox--prepare-buffer (title body &optional buffer)
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"Return the notibox buffer containing TITLE and BODY, properly formatted"
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(let ((buf (get-buffer-create (format " *notibox-- %s: %s *" title body))))
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(with-current-buffer buf
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(let ((inhibit-read-only t))
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(erase-buffer)
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(insert (format "%s\n%s\n%s" ;; (buttonize title #'view-echo-area-messages)
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title
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(propertize (make-string notibox-width ?─)
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'face `((:foreground ,notibox-border-color)))
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body))))
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buf))
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;; (notibox--prepare-buffer "test" "this better work gadahgit" (or nil "*notibox-2*"))
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;; (get-buffer-create "*notibox-2*")
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;; wait, we need to be actually basing the things on the buffers huh
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(defvar notibox-current-posframes nil)
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(cons x-justify y-coord)))
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(cl-defun notibox--show (&key timeout &key depth &key buf)
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"Show the notibox currently prepared, with optional TIMEOUT, at DEPTH, in BUF."
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(let ((this-notibox
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@ -126,7 +117,6 @@ If STACKDEPTH is non-nil and nonzero, return a position that far down."
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;; this-notibox)
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)
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nil)
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(defun notibox-alert (info)
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"Show a notibox corresponding with INFO. Can* be used as a backend for `alert'."
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(let* ((message (plist-get info :message))
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@ -137,7 +127,6 @@ If STACKDEPTH is non-nil and nonzero, return a position that far down."
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(notibox--show :timeout (unless timeout alert-fade-time)
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;; :depth (or depth (- (length notibox-current-posframes) 1))
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:buf (notibox--prepare-buffer title message))))
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(defun notibox--resolve-frame (object)
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"Return the /frame reference/ signified by OBJECT, whatever it may be."
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(cond
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@ -167,98 +156,20 @@ If FRAME is the root Emacs window, or some other symbol, hide all notiboxes."
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))
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(pop notibox-current-posframes))
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;; (frame-parent (selected-frame)) ;=> nil
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;; (frame-live-p (car notibox-current-posframes))
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;; (notibox-delete (car notibox-current-posframes))
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(defun notibox--parse-message (msg)
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"Given string MSG, return a cons of source and contents.
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If the source is not obvious, use `current-buffer'."
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(let* (source
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contents
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(splooted (split-string msg ": ")))
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(pcase (length splooted)
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;; problem: the echo area shows only cdr, whereas messages buffer shows the source fn we want..
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(1 (progn
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(setq source
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(format "%s"
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(current-buffer)))
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(setq contents
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(car splooted))))
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(2 (progn
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(setq source (car splooted))
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(setq contents (cadr splooted))))
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(3 (progn
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(setq source (car splooted))
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(setq contents (format "%s: %s" (cadr splooted) (caddr splooted)))))
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)
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;; (message "[debug] message: %s" msg)
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(cons source contents)))
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;; (split-string "evil-forward-character: End of line" ": ")
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;; (length '("evil-forward-character" "end of line"))
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;; (split-string "this is a valid message" ": ")
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;; (message "evil-forward-char: End of line")
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;; (message "%s" 'this\:\ is\ a\ \"badly\:\ formed\ message\")
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(defun buflast (buffer)
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"Return the last line of BUFFER as a string, without linebreaks."
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(with-current-buffer buffer
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(save-excursion
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(goto-char (- (point-max) 1)) ; there is a \n at the end of every buffer
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(buffer-substring-no-properties (point-at-bol) (point-max)))))
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;; (buflast (get-buffer "*Messages*"))
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(defvar last-message nil
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"Previous value of `current-message', stored for notibox.")
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(defun notibox--tail-echoarea ()
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"Show `current-message' in the notibox. If that does not exist, probably hide it."
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(if (current-message)
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(unless (string= last-message (current-message))
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(let* ((notibox-border-color "#0faa0f") ; hacky, can we set it elsewhere?
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(parsed-msg
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(notibox--parse-message
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;; (current-message)
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(buflast (get-buffer "*Messages*")) ; workaround for abbreviated stuff
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))
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(title (car parsed-msg))
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(contents (cdr parsed-msg)))
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(notibox-alert `( :title ,title
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:message ,contents
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)))
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(setq last-message (current-message)))
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;; (if notibox-current-posframes
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;; (notibox-delete (car notibox-current-posframes)))
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)
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)
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(defun notibox/setup-timer ()
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"Start running notibox."
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(interactive)
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(run-with-timer notibox--refresh-delay notibox--refresh-delay #'notibox--tail-echoarea))
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;; (notibox-delete 'anything)
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(defun notibox-test-alert ()
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"Show a sample notibox to prove we can."
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(interactive)
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(notibox-alert `(:title ,(random 8096) :message "test of notibox")))
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;; (notibox-test-alert)
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;; (notibox-alert '(:title "一" :message "二" :timeout 5))
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;; (notibox-alert '(:title "三" :message "四" :timeout 5))
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;; wanna watch the variable. how do we do that
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(add-variable-watcher 'notibox-current-posframes
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(lambda (symbol newval operation where)
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"Display the variable in *watched* buffer."
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(with-current-buffer (get-buffer-create "*watched*")
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(goto-char (point-max))
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(insert
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(format "\n%s:\n was: %s\n now: %s"
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symbol
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(eval symbol)
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newval)))
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))
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(--map (remove-variable-watcher 'notibox-current-posframes it)
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(get-variable-watchers 'notibox-current-posframes))
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(defun notibox-test-message ()
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"Send a message and see if it gets picked up by notibox."
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(message "test message %s: %s is a number" (random 40) (random 500)))
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;; begin frame moving experiments. thought we already did this...
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;; functions - frame moving ----------------------------------------------------
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(defun mir/move-frame (frame pos)
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"Move FRAME to POS, a cons of (top . left)."
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(if (frame-live-p frame)
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@ -267,9 +178,6 @@ If the source is not obvious, use `current-buffer'."
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(top . ,(car pos))
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(left . ,(cdr pos))
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))))
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(defvar mir/framove-update-interval 0.05
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"How many seconds to wait before updating incremental frame positions.")
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(defun mir/framove-gradual (frame newpos duration)
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"Move FRAME to NEWPOS ( a cons of top and left) over DURATION.
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@ -329,9 +237,6 @@ intermediate positions are calculated via `mir/framove-update-interval'."
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old-x
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) 0.125))))
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;; (notibox-test-alert)
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(defun notibox-test-message ()
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"Send a message and see if it gets picked up by notibox."
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(message "test message %s: %s is a number" (random 40) (random 500)))
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;; (notibox-test-message)
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(defun mir/push-notibox (frame)
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@ -341,5 +246,85 @@ intermediate positions are calculated via `mir/framove-update-interval'."
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(push frame notibox-current-posframes)
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)
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;; functions - message parsing -------------------------------------------------
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(defun notibox--prepare-buffer (title body &optional buffer)
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"Return the notibox buffer containing TITLE and BODY, properly formatted"
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(let ((buf (get-buffer-create (format " *notibox-- %s: %s *" title body))))
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(with-current-buffer buf
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(let ((inhibit-read-only t))
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(erase-buffer)
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(insert (format "%s\n%s\n%s" ;; (buttonize title #'view-echo-area-messages)
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title
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(propertize (make-string notibox-width ?─)
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'face `((:foreground ,notibox-border-color)))
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body))))
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buf))
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(defun notibox--parse-message (msg)
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"Given string MSG, return a cons of source and contents.
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If the source is not obvious, use `current-buffer'."
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(let* (source
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contents
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(splooted (split-string msg ": ")))
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(pcase (length splooted)
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;; problem: the echo area shows only cdr, whereas messages buffer shows the source fn we want..
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(1 (progn
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(setq source
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(format "%s"
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(current-buffer)))
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(setq contents
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(car splooted))))
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(2 (progn
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(setq source (car splooted))
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(setq contents (cadr splooted))))
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(3 (progn
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(setq source (car splooted))
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(setq contents (format "%s: %s" (cadr splooted) (caddr splooted)))))
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)
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(cons source contents)))
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(defun buflast (buffer)
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"Return the last line of BUFFER as a string, without linebreaks."
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(with-current-buffer buffer
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(save-excursion
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(goto-char (- (point-max) 1)) ; there is a \n at the end of every buffer
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(buffer-substring-no-properties (point-at-bol) (point-max)))))
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(defun notibox--tail-echoarea ()
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"Show `current-message' in the notibox. If that does not exist, probably hide it."
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(if (current-message)
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(unless (string= last-message (current-message))
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(let* ((notibox-border-color "#0faa0f") ; hacky, can we set it elsewhere?
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(parsed-msg
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(notibox--parse-message
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;; (current-message)
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(buflast (get-buffer "*Messages*")) ; workaround for abbreviated stuff
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))
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(title (car parsed-msg))
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(contents (cdr parsed-msg)))
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(notibox-alert `( :title ,title
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:message ,contents
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)))
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(setq last-message (current-message)))
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;; (if notibox-current-posframes
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;; (notibox-delete (car notibox-current-posframes)))
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)
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)
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;; (add-variable-watcher 'notibox-current-posframes
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;; (lambda (symbol newval operation where)
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;; "Display the variable in *watched* buffer."
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;; (with-current-buffer (get-buffer-create "*watched*")
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;; (goto-char (point-max))
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;; (insert
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;; (format "\n%s:\n was: %s\n now: %s"
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;; symbol
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;; (eval symbol)
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;; newval)))
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;; ))
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;; (--map (remove-variable-watcher 'notibox-current-posframes it)
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;; (get-variable-watchers 'notibox-current-posframes))
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(provide 'notibox)
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;;; notibox.el ends here
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