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Optimize loading performance of mode-line.

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This commit is contained in:
Vincent Zhang 2018-08-16 11:30:23 +08:00
parent 1adcc1f9a9
commit 079762c85b
1 changed files with 36 additions and 41 deletions
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63
doom-modeline.el
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@ -96,8 +96,6 @@ Given ~/Projects/FOSS/emacs/lisp/comint.el
(defvar anzu--state) (defvar anzu--state)
(defvar anzu--total-matched) (defvar anzu--total-matched)
(defvar anzu-cons-mode-line-p) (defvar anzu-cons-mode-line-p)
(defvar anzu-minimum-input-length)
(defvar anzu-search-threshold)
(defvar evil-ex-active-highlights-alist) (defvar evil-ex-active-highlights-alist)
(defvar evil-ex-argument) (defvar evil-ex-argument)
(defvar evil-ex-range) (defvar evil-ex-range)
@ -235,39 +233,36 @@ active.")
((error "%s is not a valid segment" seg)))) ((error "%s is not a valid segment" seg))))
(nreverse forms))) (nreverse forms)))
(defmacro doom-modeline-def-modeline (name lhs &optional rhs) (defun doom-modeline-def-modeline (name lhs &optional rhs)
"Defines a modeline format and byte-compiles it. "Defines a modeline format and byte-compiles it.
NAME is a symbol to identify it (used by `doom-modeline' for retrieval). NAME is a symbol to identify it (used by `doom-modeline' for retrieval).
LHS and RHS are lists of symbols of modeline segments defined with LHS and RHS are lists of symbols of modeline segments defined with
`doom-modeline-def-segment'. `doom-modeline-def-segment'.
Example: Example:
(doom-modeline-def-modeline minimal (doom-modeline-def-modeline 'minimal
(bar matches \" \" buffer-info) '(bar matches \" \" buffer-info)
(media-info major-mode)) '(media-info major-mode))
(doom-modeline-set-modeline 'minimal t)" (doom-modeline-set-modeline 'minimal t)"
(let ((sym (intern (format "doom-modeline-format--%s" name))) (let ((sym (intern (format "doom-modeline-format--%s" name)))
(lhs-forms (doom-modeline--prepare-segments lhs)) (lhs-forms (doom-modeline--prepare-segments lhs))
(rhs-forms (doom-modeline--prepare-segments rhs))) (rhs-forms (doom-modeline--prepare-segments rhs)))
`(progn (defalias sym
(fset ',sym
(lambda () (lambda ()
,(concat "Modeline:\n" (let ((lhs (eval `(list ,@lhs-forms) t))
(format " %s\n %s" (rhs (eval `(list ,@rhs-forms) t)))
(prin1-to-string lhs)
(prin1-to-string rhs)))
(let ((lhs (list ,@lhs-forms))
(rhs (list ,@rhs-forms)))
(let ((rhs-str (format-mode-line rhs))) (let ((rhs-str (format-mode-line rhs)))
(list lhs (list lhs
(propertize (propertize
" " 'display " " 'display
`((space :align-to (- (+ right right-fringe right-margin) `((space :align-to (- (+ right right-fringe right-margin)
,(+ 1 (string-width rhs-str)))))) ,(+ 1 (string-width rhs-str))))))
rhs-str))))) rhs-str))))
,(unless (bound-and-true-p byte-compile-current-file) (concat "Modeline:\n"
`(let (byte-compile-warnings) (format " %s\n %s"
(byte-compile #',sym)))))) (prin1-to-string lhs)
(prin1-to-string rhs))))))
(defun doom-modeline (key) (defun doom-modeline (key)
"Return a mode-line configuration associated with KEY (a symbol). "Return a mode-line configuration associated with KEY (a symbol).
@ -408,7 +403,7 @@ If STRICT-P, return nil if no project was found, otherwise return
(when (display-graphic-p) (when (display-graphic-p)
(apply 'all-the-icons-material args))) (apply 'all-the-icons-material args)))
(defsubst doom-modeline--active () (defun doom-modeline--active ()
"Whether is an active window." "Whether is an active window."
(eq (selected-window) doom-modeline-current-window)) (eq (selected-window) doom-modeline-current-window))
@ -1021,25 +1016,25 @@ See `mode-line-percent-position'.")
;; Mode lines ;; Mode lines
;; ;;
(doom-modeline-def-modeline main (doom-modeline-def-modeline 'main
(workspace-number window-number bar evil-state matches " " buffer-info buffer-position " " selection-info) ' (workspace-number window-number bar evil-state matches " " buffer-info buffer-position " " selection-info)
(global buffer-encoding major-mode process vcs flycheck)) '(global buffer-encoding major-mode process vcs flycheck))
(doom-modeline-def-modeline minimal (doom-modeline-def-modeline 'minimal
(bar matches " " buffer-info) '(bar matches " " buffer-info)
(media-info major-mode)) '(media-info major-mode))
(doom-modeline-def-modeline special (doom-modeline-def-modeline 'special
(window-number bar evil-state matches " " buffer-info-simple buffer-position " " selection-info) '(window-number bar evil-state matches " " buffer-info-simple buffer-position " " selection-info)
(global buffer-encoding major-mode process flycheck)) '(global buffer-encoding major-mode process flycheck))
(doom-modeline-def-modeline project (doom-modeline-def-modeline 'project
(window-number bar buffer-default-directory) '(window-number bar buffer-default-directory)
(global major-mode)) '(global major-mode))
(doom-modeline-def-modeline media (doom-modeline-def-modeline 'media
(window-number bar " %b ") '(window-number bar " %b ")
(global media-info major-mode)) '(global media-info major-mode))
;; ;;
;; Hooks ;; Hooks