jessieh/eldoc-frame
jessieh/eldoc-frame
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Simplify timer management

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* eldoc-box.el (eldoc-box--maybe-cleanup): Set timer var to nil
unconditionally.
(eldoc-box--eldoc-message-function): Rescheduler timer here.
(eldoc-box-hover-mode): Simplify.
(eldoc-box--maybe-cancel-timer, eldoc-box--enabled-buffer-list):
Not needed.
This commit is contained in:
João Távora 2018-12-12 14:16:29 +00:00
parent c9693eddb0
commit 8232e5eb60
1 changed files with 11 additions and 25 deletions
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34
eldoc-box.el
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@ -196,24 +196,21 @@ Checkout `lsp-ui-doc--make-frame', `lsp-ui-doc--move-frame'."
;; shut it off. this code can save you ;; shut it off. this code can save you
;; this is gold, right here, you know it my friend? ;; this is gold, right here, you know it my friend?
(when (frame-parameter eldoc-box--frame 'visibility) (when (frame-parameter eldoc-box--frame 'visibility)
(eldoc-box-quit-frame)))) (eldoc-box-quit-frame)))
(setq eldoc-box--cleanup-timer nil))
(defvar eldoc-box--enabled-buffer-list nil
"A list of buffers that enabled `eldoc-box-hover-mode'.")
(defun eldoc-box--maybe-cancel-timer ()
"Cancel `eldoc-box--cleanup-timer' there is no live buffer with `eldoc-box-hover-mode' enabled left."
(when (and eldoc-box--cleanup-timer
(eq (cl-count-if #'buffer-live-p eldoc-box--enabled-buffer-list) 0))
(cancel-timer eldoc-box--cleanup-timer)
(setq eldoc-box--cleanup-timer nil)))
(defun eldoc-box--eldoc-message-function (str &rest args) (defun eldoc-box--eldoc-message-function (str &rest args)
"Frontend for eldoc. Display STR in childframe and ARGS works like `message'." "Frontend for eldoc. Display STR in childframe and ARGS works like `message'."
(if (stringp str) (if (stringp str)
(let ((doc (apply #'format str args))) (let ((doc (apply #'format str args)))
(unless (and eldoc-box-only-multi-line (eq (cl-count ?\n doc) 0)) (unless (and eldoc-box-only-multi-line (eq (cl-count ?\n doc) 0))
(eldoc-box--display (apply #'format str args)))) (eldoc-box--display (apply #'format str args))
;; Why a timer? ElDoc is mainly use in minibuffer,
;; where the text is constantly being flushed by other commands
;; so ElDoc doesn't try very hard to cleanup
(when eldoc-box--cleanup-timer (cancel-timer eldoc-box--cleanup-timer))
(setq eldoc-box--cleanup-timer
(run-with-timer 1 nil #'eldoc-box--maybe-cleanup))))
(eldoc-box-quit-frame) (eldoc-box-quit-frame)
t)) t))
@ -221,20 +218,9 @@ Checkout `lsp-ui-doc--make-frame', `lsp-ui-doc--move-frame'."
"Displays hover documentations in a childframe. This mode is buffer local." "Displays hover documentations in a childframe. This mode is buffer local."
:lighter " ELDOC-BOX" :lighter " ELDOC-BOX"
(if eldoc-box-hover-mode (if eldoc-box-hover-mode
(progn
;; Why a timer? ElDoc is mainly use in minibuffer,
;; where the text is constantly being flushed by other commands
;; so ElDoc doesn't try very hard to cleanup
(unless eldoc-box--cleanup-timer
(setq eldoc-box--cleanup-timer (run-with-idle-timer 1 t #'eldoc-box--maybe-cleanup)))
(add-to-list 'eldoc-box--enabled-buffer-list (current-buffer))
(add-function :before-until (local 'eldoc-message-function) (add-function :before-until (local 'eldoc-message-function)
#'eldoc-box--eldoc-message-function)) #'eldoc-box--eldoc-message-function)
(remove-function (local 'eldoc-message-function) #'eldoc-box--eldoc-message-function) (remove-function (local 'eldoc-message-function) #'eldoc-box--eldoc-message-function)
(delete (current-buffer) eldoc-box--enabled-buffer-list)
;; this function has to be called after the current buffer is
;; removed from buffer list
(eldoc-box--maybe-cancel-timer)
;; if minor mode is turned off when childframe is visible ;; if minor mode is turned off when childframe is visible
;; hide it ;; hide it
(eldoc-box-quit-frame))) (eldoc-box-quit-frame)))