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# doom-modeline
The modeline package extracted from DOOM emacs.
The modeline package extracted from [DOOM
emacs](https://github.com/hlissner/doom-emacs/tree/master/modules/ui/doom-modeline).
## Feature
The DOOM modeline was designed for minimalism, and offers:
- A match count panel (for evil-search, iedit and evil-substitute)
- An indicator for recording a macro
- Local python/ruby version in the major-mode
- A customizable mode-line height (see +doom-modeline-height)
- An error/warning count segment for flycheck
## Install
### Manual
From melpa, `M-x package-install RET doom-modeline RET`.
In `init.el`,
``` emacs-lisp
(require 'doom-modeline)
(+doom-modeline|init)
```
### Use-package
``` emacs-lisp
(use-package doom-modeline
:ensure t
:init (add-hook 'after-init-hook #'+doom-modeline|init))
```
This package requires the fonts included with `all-the-icons` to be installed.
Run `M-x all-the-icons-install-fonts` to do so.
## Screenshots
![modeline](https://github.com/hlissner/doom-emacs/raw/screenshots/ml.png)
![search](https://github.com/hlissner/doom-emacs/raw/screenshots/ml-search.png)
![subst](https://github.com/hlissner/doom-emacs/raw/screenshots/ml-subst.png)
![macro](https://github.com/hlissner/doom-emacs/raw/screenshots/ml-macro.png)
![version](https://github.com/hlissner/doom-emacs/raw/screenshots/ml-version.png)
![errors](https://github.com/hlissner/doom-emacs/raw/screenshots/ml-errors.png)

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;;; doom-modeline.el --- modeline from DOOM emacs. -*- lexical-binding: t; -*-
;; Copyright (C) 2018 Vincent Zhang
;; Author: Vincent Zhang <seagle0128@gmail.com>
;; URL: https://github.com/seagle0128/doom-modeline
;; Package-Version: 20180611.1130
;; Version: 0.1.0
;; Package-Requires: ((emacs "24.4") (all-the-icons "1.0.0") (projectile "0.10.0") (shrink-path "0.3.0") (eldoc-eval "0.1")
;; Keywords: modeline, mode-line, doom
;; This file is not part of GNU Emacs.
;;
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
;; Floor, Boston, MA 02110-1301, USA.
;;
;;; Commentary:
;;
;; This package offers a modern modeline them which is extraced from DOOM Emacs.
;; https://github.com/hlissner/doom-emacs/tree/master/modules/ui/doom-modeline
;;
;; The DOOM modeline was designed for minimalism, and offers:
;; 1. A match count panel (for evil-search, iedit and evil-substitute)
;; 2. An indicator for recording a macro
;; 3. Local python/ruby version in the major-mode
;; 4. A customizable mode-line height (see +doom-modeline-height)
;; 5. An error/warning count segment for flycheck
;;
;;; Code:
(require 'projectile)
(require 'all-the-icons)
(require 'memoize)
(require 'shrink-path)
(require 'eldoc-eval)
(eval-and-compile
(defun doom--resolve-hooks (hooks)
(cl-loop with quoted-p = (eq (car-safe hooks) 'quote)
for hook in (doom-enlist (doom-unquote hooks))
if (eq (car-safe hook) 'quote)
collect (cadr hook)
else if quoted-p
collect hook
else collect (intern (format "%s-hook" (symbol-name hook)))))
(defun doom-enlist (exp)
"Return EXP wrapped in a list, or as-is if already a list."
(if (listp exp) exp (list exp)))
(defun doom-unquote (exp)
"Return EXP unquoted."
(while (memq (car-safe exp) '(quote function))
(setq exp (cadr exp)))
exp)
(defvar doom--transient-counter 0))
(defmacro add-transient-hook! (hook &rest forms)
"Attaches transient forms to a HOOK.
HOOK can be a quoted hook or a sharp-quoted function (which will be advised).
These forms will be evaluated once when that function/hook is first invoked,
then it detaches itself."
(declare (indent 1))
(let ((append (eq (car forms) :after))
(fn (intern (format "doom-transient-hook-%s" (cl-incf doom--transient-counter)))))
`(when ,hook
(fset ',fn
(lambda (&rest _)
,@forms
(cond ((functionp ,hook) (advice-remove ,hook #',fn))
((symbolp ,hook) (remove-hook ,hook #',fn)))
(unintern ',fn nil)))
(cond ((functionp ,hook)
(advice-add ,hook ,(if append :after :before) #',fn))
((symbolp ,hook)
(add-hook ,hook #',fn ,append))))))
(defmacro add-hook! (&rest args)
"A convenience macro for `add-hook'. Takes, in order:
1. Optional properties :local and/or :append, which will make the hook
buffer-local or append to the list of hooks (respectively),
2. The hooks: either an unquoted major mode, an unquoted list of major-modes,
a quoted hook variable or a quoted list of hook variables. If unquoted, the
hooks will be resolved by appending -hook to each symbol.
3. A function, list of functions, or body forms to be wrapped in a lambda.
Examples:
(add-hook! 'some-mode-hook 'enable-something)
(add-hook! some-mode '(enable-something and-another))
(add-hook! '(one-mode-hook second-mode-hook) 'enable-something)
(add-hook! (one-mode second-mode) 'enable-something)
(add-hook! :append (one-mode second-mode) 'enable-something)
(add-hook! :local (one-mode second-mode) 'enable-something)
(add-hook! (one-mode second-mode) (setq v 5) (setq a 2))
(add-hook! :append :local (one-mode second-mode) (setq v 5) (setq a 2))
Body forms can access the hook's arguments through the let-bound variable
`args'."
(declare (indent defun) (debug t))
(let ((hook-fn 'add-hook)
append-p local-p)
(while (keywordp (car args))
(pcase (pop args)
(:append (setq append-p t))
(:local (setq local-p t))
(:remove (setq hook-fn 'remove-hook))))
(let ((hooks (doom--resolve-hooks (pop args)))
(funcs
(let ((val (car args)))
(if (memq (car-safe val) '(quote function))
(if (cdr-safe (cadr val))
(cadr val)
(list (cadr val)))
(list args))))
forms)
(dolist (fn funcs)
(setq fn (if (symbolp fn)
`(function ,fn)
`(lambda (&rest _) ,@args)))
(dolist (hook hooks)
(push (cond ((eq hook-fn 'remove-hook)
`(remove-hook ',hook ,fn ,local-p))
(t
`(add-hook ',hook ,fn ,append-p ,local-p)))
forms)))
`(progn ,@(nreverse forms)))))
(defmacro def-modeline-segment! (name &rest forms)
"Defines a modeline segment and byte compiles it."
(declare (indent defun) (doc-string 2))
(let ((sym (intern (format "doom-modeline-segment--%s" name))))
`(progn
(defun ,sym () ,@forms)
,(unless (bound-and-true-p byte-compile-current-file)
`(let (byte-compile-warnings)
(byte-compile #',sym))))))
(defsubst doom--prepare-modeline-segments (segments)
(cl-loop for seg in segments
if (stringp seg)
collect seg
else
collect (list (intern (format "doom-modeline-segment--%s" (symbol-name seg))))))
(defmacro def-modeline! (name lhs &optional rhs)
"Defines a modeline format and byte-compiles it. 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 `def-modeline-segment!'.
Example:
(def-modeline! minimal
(bar matches \" \" buffer-info)
(media-info major-mode))
(doom-set-modeline 'minimal t)"
(let ((sym (intern (format "doom-modeline-format--%s" name)))
(lhs-forms (doom--prepare-modeline-segments lhs))
(rhs-forms (doom--prepare-modeline-segments rhs)))
`(progn
(defun ,sym ()
(let ((lhs (list ,@lhs-forms))
(rhs (list ,@rhs-forms)))
(let ((rhs-str (format-mode-line rhs)))
(list lhs
(propertize
" " 'display
`((space :align-to (- (+ right right-fringe right-margin)
,(+ 1 (string-width rhs-str))))))
rhs-str))))
,(unless (bound-and-true-p byte-compile-current-file)
`(let (byte-compile-warnings)
(byte-compile #',sym))))))
(defun doom-modeline (key)
"Returns a mode-line configuration associated with KEY (a symbol). Throws an
error if it doesn't exist."
(let ((fn (intern (format "doom-modeline-format--%s" key))))
(when (functionp fn)
`(:eval (,fn)))))
(defun doom-set-modeline (key &optional default)
"Set the modeline format. Does nothing if the modeline KEY doesn't exist. If
DEFAULT is non-nil, set the default mode-line for all buffers."
(when-let ((modeline (doom-modeline key)))
(setf (if default
(default-value 'mode-line-format)
(buffer-local-value 'mode-line-format (current-buffer)))
modeline)))
(defun doom-project-root ()
"Get the path to the root of your project.
If STRICT-P, return nil if no project was found, otherwise return
`default-directory'."
(let (projectile-require-project-root)
(projectile-project-root)))
;;
;; modeline configs
;;
(defun +doom-modeline-eldoc (text)
(concat (when (display-graphic-p)
(+doom-modeline--make-xpm
(face-background 'doom-modeline-eldoc-bar nil t)
+doom-modeline-height
+doom-modeline-bar-width))
text))
;; Show eldoc in the mode-line with `eval-expression'
(defun +doom-modeline--show-eldoc (input)
"Display string STR in the mode-line next to minibuffer."
(with-current-buffer (eldoc-current-buffer)
(let* ((str (and (stringp input) input))
(mode-line-format (or (and str (or (+doom-modeline-eldoc str) str))
mode-line-format))
mode-line-in-non-selected-windows)
(force-mode-line-update)
(sit-for eldoc-show-in-mode-line-delay))))
(setq eldoc-in-minibuffer-show-fn #'+doom-modeline--show-eldoc)
(eldoc-in-minibuffer-mode +1)
;; anzu and evil-anzu expose current/total state that can be displayed in the
;; mode-line.
(when (featurep 'evil-anzu)
(add-transient-hook! #'evil-ex-start-search (require 'evil-anzu))
(setq anzu-cons-mode-line-p nil
anzu-minimum-input-length 1
anzu-search-threshold 250)
;; Avoid anzu conflicts across buffers
(mapc #'make-variable-buffer-local
'(anzu--total-matched anzu--current-position anzu--state
anzu--cached-count anzu--cached-positions anzu--last-command
anzu--last-isearch-string anzu--overflow-p))
;; Ensure anzu state is cleared when searches & iedit are done
(add-hook 'isearch-mode-end-hook #'anzu--reset-status t)
(add-hook '+evil-esc-hook #'anzu--reset-status t)
(add-hook 'iedit-mode-end-hook #'anzu--reset-status))
;; Keep `+doom-modeline-current-window' up-to-date
(defvar +doom-modeline-current-window (frame-selected-window))
(defun +doom-modeline|set-selected-window (&rest _)
"Sets `+doom-modeline-current-window' appropriately"
(when-let ((win (frame-selected-window)))
(unless (minibuffer-window-active-p win)
(setq +doom-modeline-current-window win))))
(add-hook 'window-configuration-change-hook #'+doom-modeline|set-selected-window)
(add-hook 'focus-in-hook #'+doom-modeline|set-selected-window)
(advice-add #'handle-switch-frame :after #'+doom-modeline|set-selected-window)
(advice-add #'select-window :after #'+doom-modeline|set-selected-window)
;;
;; Variables
;;
(defvar +doom-modeline-height 29
"How tall the mode-line should be (only respected in GUI emacs).")
(defvar +doom-modeline-bar-width 3
"How wide the mode-line bar should be (only respected in GUI emacs).")
(defvar +doom-modeline-vspc
(propertize " " 'face 'variable-pitch)
"TODO")
(defvar +doom-modeline-buffer-file-name-style 'truncate-upto-project
"Determines the style used by `+doom-modeline-buffer-file-name'.
Given ~/Projects/FOSS/emacs/lisp/comint.el
truncate-upto-project => ~/P/F/emacs/lisp/comint.el
truncate-upto-root => ~/P/F/e/lisp/comint.el
truncate-all => ~/P/F/e/l/comint.el
relative-from-project => emacs/lisp/comint.el
relative-to-project => lisp/comint.el
file-name => comint.el")
;; externs
(defvar anzu--state nil)
(defvar evil-mode nil)
(defvar evil-state nil)
(defvar evil-visual-selection nil)
(defvar iedit-mode nil)
(defvar all-the-icons-scale-factor)
(defvar all-the-icons-default-adjust)
;;
;; Custom faces
;;
(defgroup +doom-modeline nil
""
:group 'doom)
(defface doom-modeline-buffer-path
'((t (:inherit mode-line-emphasis :bold t)))
"Face used for the dirname part of the buffer path."
:group '+doom-modeline)
(defface doom-modeline-buffer-file
'((t (:inherit mode-line-buffer-id)))
"Face used for the filename part of the mode-line buffer path."
:group '+doom-modeline)
(defface doom-modeline-buffer-modified
'((t (:inherit error :background nil :bold t)))
"Face used for the 'unsaved' symbol in the mode-line."
:group '+doom-modeline)
(defface doom-modeline-buffer-major-mode
'((t (:inherit mode-line-emphasis :bold t)))
"Face used for the major-mode segment in the mode-line."
:group '+doom-modeline)
(defface doom-modeline-highlight
'((t (:inherit mode-line-emphasis)))
"Face for bright segments of the mode-line."
:group '+doom-modeline)
(defface doom-modeline-panel
'((t (:inherit mode-line-highlight)))
"Face for 'X out of Y' segments, such as `+doom-modeline--anzu', `+doom-modeline--evil-substitute' and
`iedit'"
:group '+doom-modeline)
(defface doom-modeline-info
`((t (:inherit success :bold t)))
"Face for info-level messages in the modeline. Used by `*vc'."
:group '+doom-modeline)
(defface doom-modeline-warning
`((t (:inherit warning :bold t)))
"Face for warnings in the modeline. Used by `*flycheck'"
:group '+doom-modeline)
(defface doom-modeline-urgent
`((t (:inherit error :bold t)))
"Face for errors in the modeline. Used by `*flycheck'"
:group '+doom-modeline)
;; Bar
(defface doom-modeline-bar '((t (:inherit highlight)))
"The face used for the left-most bar on the mode-line of an active window."
:group '+doom-modeline)
(defface doom-modeline-eldoc-bar '((t (:inherit shadow)))
"The face used for the left-most bar on the mode-line when eldoc-eval is
active."
:group '+doom-modeline)
(defface doom-modeline-inactive-bar '((t (:inherit warning :inverse-video t)))
"The face used for the left-most bar on the mode-line of an inactive window."
:group '+doom-modeline)
(defface doom-modeline-persp '((t ()))
"The face used for persp number."
:group '+doom-modeline)
(defface doom-modeline-eyebrowse '((t ()))
"The face used for eyebrowse."
:group '+doom-modeline)
(defface doom-modeline-bracket '((t (:inherit shadow)))
"The face used for brackets around the project."
:group '+doom-modeline)
;;
;; Bootstrap
;;
;; Show version string for multi-version managers like rvm, rbenv, pyenv, etc.
(defvar-local +doom-modeline-env-version nil)
(defvar-local +doom-modeline-env-command nil)
(add-hook! '(focus-in-hook find-file-hook) #'+doom-modeline|update-env)
(defun +doom-modeline|update-env ()
(when +doom-modeline-env-command
(let* ((default-directory (doom-project-root))
(s (shell-command-to-string +doom-modeline-env-command)))
(setq +doom-modeline-env-version (if (string-match "[ \t\n\r]+\\'" s)
(replace-match "" t t s)
s)))))
;; Only support python and ruby for now
;; TODO torgeir
(add-hook! 'python-mode-hook (setq +doom-modeline-env-command "python --version 2>&1 | cut -d' ' -f2"))
(add-hook! 'ruby-mode-hook (setq +doom-modeline-env-command "ruby --version 2>&1 | cut -d' ' -f2"))
;;
;; Modeline helpers
;;
(defsubst active ()
(eq (selected-window) +doom-modeline-current-window))
;; Inspired from `powerline's `pl/make-xpm'.
(defmemoize +doom-modeline--make-xpm (color height width)
"Create an XPM bitmap."
(propertize
" " 'display
(let ((data (make-list height (make-list width 1)))
(color (or color "None")))
(create-image
(concat
(format "/* XPM */\nstatic char * percent[] = {\n\"%i %i 2 1\",\n\". c %s\",\n\" c %s\","
(length (car data))
(length data)
color
color)
(apply #'concat
(cl-loop with idx = 0
with len = (length data)
for dl in data
do (cl-incf idx)
collect
(concat "\""
(cl-loop for d in dl
if (= d 0) collect (string-to-char " ")
else collect (string-to-char "."))
(if (eq idx len) "\"};" "\",\n")))))
'xpm t :ascent 'center))))
(defun +doom-modeline-buffer-file-name ()
"Propertized `buffer-file-name' based on `+doom-modeline-buffer-file-name-style'."
(propertize
(pcase +doom-modeline-buffer-file-name-style
('truncate-upto-project (+doom-modeline--buffer-file-name 'shrink))
('truncate-upto-root (+doom-modeline--buffer-file-name-truncate))
('truncate-all (+doom-modeline--buffer-file-name-truncate t))
('relative-to-project (+doom-modeline--buffer-file-name-relative))
('relative-from-project (+doom-modeline--buffer-file-name-relative 'include-project))
('file-name (propertize (file-name-nondirectory buffer-file-name)
'face
(let ((face (or (and (buffer-modified-p)
'doom-modeline-buffer-modified)
(and (active)
'doom-modeline-buffer-file))))
(when face `(:inherit ,face))))))
'help-echo buffer-file-truename))
(defun +doom-modeline--buffer-file-name-truncate (&optional truncate-tail)
"Propertized `buffer-file-name' that truncates every dir along path.
If TRUNCATE-TAIL is t also truncate the parent directory of the file."
(let ((dirs (shrink-path-prompt (file-name-directory buffer-file-truename)))
(active (active)))
(if (null dirs)
(propertize "%b" 'face (if active 'doom-modeline-buffer-file))
(let ((modified-faces (if (buffer-modified-p) 'doom-modeline-buffer-modified)))
(let ((dirname (car dirs))
(basename (cdr dirs))
(dir-faces (or modified-faces (if active 'doom-modeline-project-root-dir)))
(file-faces (or modified-faces (if active 'doom-modeline-buffer-file))))
(concat (propertize (concat dirname
(if truncate-tail (substring basename 0 1) basename)
"/")
'face (if dir-faces `(:inherit ,dir-faces)))
(propertize (file-name-nondirectory buffer-file-name)
'face (if file-faces `(:inherit ,file-faces)))))))))
(defmemoize +doom-file-relative-name (filename directory)
(file-relative-name filename directory))
(defun +doom-modeline--buffer-file-name-relative (&optional include-project)
"Propertized `buffer-file-name' showing directories relative to project's root only."
(let ((root (doom-project-root))
(active (active)))
(if (null root)
(propertize "%b" 'face (if active 'doom-modeline-buffer-file))
(let* ((modified-faces (if (buffer-modified-p) 'doom-modeline-buffer-modified))
(relative-dirs (file-relative-name (file-name-directory buffer-file-truename)
(if include-project (concat root "../") root)))
(relative-faces (or modified-faces (if active 'doom-modeline-buffer-path)))
(file-faces (or modified-faces (if active 'doom-modeline-buffer-file))))
(if (equal "./" relative-dirs) (setq relative-dirs ""))
(concat (propertize relative-dirs 'face (if relative-faces `(:inherit ,relative-faces)))
(propertize (file-name-nondirectory buffer-file-truename)
'face (if file-faces `(:inherit ,file-faces))))))))
(defmemoize +doom-abbreviate-file-name (file-name)
(abbreviate-file-name file-name))
(defmemoize +doom-shrink-path-file-mixed (project-root file-name)
(shrink-path-file-mixed project-root
(file-name-directory file-name)
file-name))
(defun +doom-modeline--buffer-file-name (truncate-project-root-parent)
"Propertized `buffer-file-name'.
If TRUNCATE-PROJECT-ROOT-PARENT is t space will be saved by truncating it down
fish-shell style.
Example:
~/Projects/FOSS/emacs/lisp/comint.el => ~/P/F/emacs/lisp/comint.el"
(let* ((project-root (doom-project-root))
(file-name-split (shrink-path-file-mixed project-root
(file-name-directory buffer-file-truename)
buffer-file-truename))
(active (active)))
(if (null file-name-split)
(propertize "%b" 'face (if active 'doom-modeline-buffer-file))
(pcase-let ((`(,root-path-parent ,project ,relative-path ,filename) file-name-split))
(let ((modified-faces (if (buffer-modified-p) 'doom-modeline-buffer-modified)))
(let ((sp-faces (or modified-faces (if active 'font-lock-comment-face)))
(project-faces (or modified-faces (if active 'font-lock-string-face)))
(relative-faces (or modified-faces (if active 'doom-modeline-buffer-path)))
(file-faces (or modified-faces (if active 'doom-modeline-buffer-file))))
(let ((sp-props `(,@(if sp-faces `(:inherit ,sp-faces)) ,@(if active '(:weight bold))))
(project-props `(,@(if project-faces `(:inherit ,project-faces)) ,@(if active '(:weight bold))))
(relative-props `(,@(if relative-faces `(:inherit ,relative-faces))))
(file-props `(,@(if file-faces `(:inherit ,file-faces)))))
(concat (propertize (if truncate-project-root-parent
root-path-parent
(abbreviate-file-name project-root))
'face sp-props)
(propertize (concat project "/") 'face project-props)
(if relative-path (propertize relative-path 'face relative-props))
(propertize filename 'face file-props)))))))))
;;
;; Segments
;;
(def-modeline-segment! buffer-default-directory
"Displays `default-directory'. This is for special buffers like the scratch
buffer where knowing the current project directory is important."
(let ((face (if (active) 'doom-modeline-buffer-path)))
(concat (if (display-graphic-p) " ")
(+doom-maybe-icon-octicon
"file-directory"
:face face
:v-adjust -0.05
:height 1.25)
(propertize (concat " " (abbreviate-file-name default-directory))
'face face))))
;;
(def-modeline-segment! buffer-info
"Combined information about the current buffer, including the current working
directory, the file name, and its state (modified, read-only or non-existent)."
(concat
(cond (buffer-read-only
(concat (+doom-maybe-icon-octicon
"lock"
:face 'doom-modeline-warning
:v-adjust -0.05)
" "))
((buffer-modified-p)
(concat (+doom-maybe-icon-faicon
"floppy-o"
:face 'doom-modeline-buffer-modified
:v-adjust -0.0575)
" "))
((and buffer-file-name
(not (file-exists-p buffer-file-name)))
(concat (+doom-maybe-icon-octicon
"circle-slash"
:face 'doom-modeline-urgent
:v-adjust -0.05)
" "))
((buffer-narrowed-p)
(concat (+doom-maybe-icon-octicon
"fold"
:face 'doom-modeline-warning
:v-adjust -0.05)
" ")))
(if buffer-file-name
(+doom-modeline-buffer-file-name)
"%b")))
;;
(def-modeline-segment! buffer-info-simple
"Display only the current buffer's name, but with fontification."
(propertize
"%b"
'face (cond ((and buffer-file-name (buffer-modified-p))
'doom-modeline-buffer-modified)
((active) 'doom-modeline-buffer-file))))
;;
(def-modeline-segment! buffer-encoding
"Displays the encoding and eol style of the buffer the same way Atom does."
(concat (pcase (coding-system-eol-type buffer-file-coding-system)
(0 "LF ")
(1 "CRLF ")
(2 "CR "))
(let ((sys (coding-system-plist buffer-file-coding-system)))
(cond ((memq (plist-get sys :category) '(coding-category-undecided coding-category-utf-8))
"UTF-8")
(t (upcase (symbol-name (plist-get sys :name))))))
" "))
;;
(def-modeline-segment! major-mode
"The major mode, including process, environment and text-scale info."
(propertize
(concat (format-mode-line mode-name)
(when (stringp mode-line-process)
mode-line-process)
(when +doom-modeline-env-version
(concat " " +doom-modeline-env-version))
(and (featurep 'face-remap)
(/= text-scale-mode-amount 0)
(format " (%+d)" text-scale-mode-amount)))
'face (if (active) 'doom-modeline-buffer-major-mode)))
(defun +doom-maybe-icon-octicon (&rest args)
(when (display-graphic-p)
(apply 'all-the-icons-octicon args)))
(defun +doom-maybe-icon-faicon (&rest args)
(when (display-graphic-p)
(apply 'all-the-icons-faicon args)))
(defun +doom-maybe-icon-material (&rest args)
(when (display-graphic-p)
(apply 'all-the-icons-material args)))
;;
(def-modeline-segment! vcs
"Displays the current branch, colored based on its state."
(when (and vc-mode buffer-file-name)
(let* ((backend (vc-backend buffer-file-name))
(state (vc-state buffer-file-name backend)))
(let ((face 'mode-line-inactive)
(active (active))
(all-the-icons-default-adjust -0.1))
(concat (if (display-graphic-p) " ")
(cond ((memq state '(edited added))
(if active (setq face 'doom-modeline-info))
(+doom-maybe-icon-octicon
"git-compare"
:face face
:v-adjust -0.05))
((eq state 'needs-merge)
(if active (setq face 'doom-modeline-info))
(+doom-maybe-icon-octicon "git-merge" :face face))
((eq state 'needs-update)
(if active (setq face 'doom-modeline-warning))
(+doom-maybe-icon-octicon "arrow-down" :face face))
((memq state '(removed conflict unregistered))
(if active (setq face 'doom-modeline-urgent))
(+doom-maybe-icon-octicon "alert" :face face))
(t
(if active (setq face 'font-lock-doc-face))
(+doom-maybe-icon-octicon
"git-branch"
:face face
:v-adjust -0.05)))
" "
(propertize (substring vc-mode (+ (if (eq backend 'Hg) 2 3) 2))
'face (if active face))
" ")))))
;;
(defun +doom-ml-icon (icon &optional text face voffset)
"Displays an ICON with FACE, followed by TEXT. Uses
`all-the-icons-material' to fetch the icon."
(concat (if vc-mode " " " ")
(when icon
(concat
(when (display-graphic-p)
(all-the-icons-material icon :face face :height 1.1 :v-adjust (or voffset -0.2)))
(if text +doom-modeline-vspc)))
(when text
(propertize text 'face face))
(if vc-mode " " " ")))
(def-modeline-segment! flycheck
"Displays color-coded flycheck error status in the current buffer with pretty
icons."
(when (boundp 'flycheck-last-status-change)
(pcase flycheck-last-status-change
('finished (if flycheck-current-errors
(let-alist (flycheck-count-errors flycheck-current-errors)
(let ((sum (+ (or .error 0) (or .warning 0))))
(+doom-ml-icon "do_not_disturb_alt"
(number-to-string sum)
(if .error 'doom-modeline-urgent 'doom-modeline-warning)
-0.25)))
(+doom-ml-icon "check" nil 'doom-modeline-info)))
('running (+doom-ml-icon "access_time" nil 'font-lock-doc-face -0.25))
('no-checker (+doom-ml-icon "sim_card_alert" "-" 'font-lock-doc-face))
('errored (+doom-ml-icon "sim_card_alert" "Error" 'doom-modeline-urgent))
('interrupted (+doom-ml-icon "pause" "Interrupted" 'font-lock-doc-face)))))
;; ('interrupted (+doom-ml-icon "x" "Interrupted" 'font-lock-doc-face)))))
;;
(defsubst doom-column (pos)
(save-excursion (goto-char pos)
(current-column)))
(def-modeline-segment! selection-info
"Information about the current selection, such as how many characters and
lines are selected, or the NxM dimensions of a block selection."
(when (and (active) (or mark-active (eq evil-state 'visual)))
(let ((reg-beg (region-beginning))
(reg-end (region-end)))
(propertize
(let ((lines (count-lines reg-beg (min (1+ reg-end) (point-max)))))
(cond ((or (bound-and-true-p rectangle-mark-mode)
(eq 'block evil-visual-selection))
(let ((cols (abs (- (doom-column reg-end)
(doom-column reg-beg)))))
(format "%dx%dB" lines cols)))
((eq 'line evil-visual-selection)
(format "%dL" lines))
((> lines 1)
(format "%dC %dL" (- (1+ reg-end) reg-beg) lines))
(t
(format "%dC" (- (1+ reg-end) reg-beg)))))
'face 'doom-modeline-highlight))))
;;
(defun +doom-modeline--macro-recording ()
"Display current Emacs or evil macro being recorded."
(when (and (active) (or defining-kbd-macro executing-kbd-macro))
(let ((sep (propertize " " 'face 'doom-modeline-panel)))
(concat sep
(propertize (if (bound-and-true-p evil-this-macro)
(char-to-string evil-this-macro)
"Macro")
'face 'doom-modeline-panel)
sep
(+doom-maybe-icon-octicon "triangle-right"
:face 'doom-modeline-panel
:v-adjust -0.05))
sep)))
(defsubst +doom-modeline--anzu ()
"Show the match index and total number thereof. Requires `anzu', also
`evil-anzu' if using `evil-mode' for compatibility with `evil-search'."
(setq anzu-cons-mode-line-p nil)
(when (and anzu--state (not iedit-mode))
(propertize
(let ((here anzu--current-position)
(total anzu--total-matched))
(cond ((eq anzu--state 'replace-query)
(format " %d replace " total))
((eq anzu--state 'replace)
(format " %d/%d " here total))
(anzu--overflow-p
(format " %s+ " total))
(t
(format " %s/%d " here total))))
'face (if (active) 'doom-modeline-panel))))
(defsubst +doom-modeline--evil-substitute ()
"Show number of matches for evil-ex substitutions and highlights in real time."
(when (and evil-mode
(or (assq 'evil-ex-substitute evil-ex-active-highlights-alist)
(assq 'evil-ex-global-match evil-ex-active-highlights-alist)
(assq 'evil-ex-buffer-match evil-ex-active-highlights-alist)))
(propertize
(let ((range (if evil-ex-range
(cons (car evil-ex-range) (cadr evil-ex-range))
(cons (line-beginning-position) (line-end-position))))
(pattern (car-safe (evil-delimited-arguments evil-ex-argument 2))))
(if pattern
(format " %s matches " (how-many pattern (car range) (cdr range)))
" - "))
'face (if (active) 'doom-modeline-panel))))
(defun doom-themes--overlay-sort (a b)
(< (overlay-start a) (overlay-start b)))
(defsubst +doom-modeline--iedit ()
"Show the number of iedit regions matches + what match you're on."
(when (and iedit-mode iedit-occurrences-overlays)
(propertize
(let ((this-oc (or (let ((inhibit-message t))
(iedit-find-current-occurrence-overlay))
(progn (iedit-prev-occurrence)
(iedit-find-current-occurrence-overlay))))
(length (length iedit-occurrences-overlays)))
(format " %s/%d "
(if this-oc
(- length
(length (memq this-oc (sort (append iedit-occurrences-overlays nil)
#'doom-themes--overlay-sort)))
-1)
"-")
length))
'face (if (active) 'doom-modeline-panel))))
(def-modeline-segment! matches
"Displays: 1. the currently recording macro, 2. A current/total for the
current search term (with anzu), 3. The number of substitutions being conducted
with `evil-ex-substitute', and/or 4. The number of active `iedit' regions."
(let ((meta (concat (+doom-modeline--macro-recording)
(+doom-modeline--anzu)
(+doom-modeline--evil-substitute)
(+doom-modeline--iedit))))
(or (and (not (equal meta "")) meta)
(if buffer-file-name " %I "))))
;; TODO Include other information
(def-modeline-segment! media-info
"Metadata regarding the current file, such as dimensions for images."
(cond ((eq major-mode 'image-mode)
(cl-destructuring-bind (width . height)
(image-size (image-get-display-property) :pixels)
(format " %dx%d " width height)))))
(def-modeline-segment! bar
"The bar regulates the height of the mode-line in GUI Emacs.
Returns \"\" to not break --no-window-system."
(if (display-graphic-p)
(+doom-modeline--make-xpm
(face-background (if (active)
'doom-modeline-bar
'doom-modeline-inactive-bar)
nil t)
+doom-modeline-height
+doom-modeline-bar-width)
""))
(defun +doom-modeline-eyebrowse-number ()
(when (and (bound-and-true-p eyebrowse-mode)
(< 1 (length (eyebrowse--get 'window-configs))))
(let* ((num (eyebrowse--get 'current-slot))
(tag (when num (nth 2 (assoc num (eyebrowse--get 'window-configs)))))
(str (if (and tag (< 0 (length tag)))
tag
(when num (int-to-string num)))))
str)))
(defun +doom-window-bottom-left-p ()
(let* ((edges (window-edges))
(minibuffer-edges (window-edges (minibuffer-window))))
(and (eq 0 (car edges))
(eq (nth 3 edges)
(cadr minibuffer-edges)))))
(def-modeline-segment! persp-number
"The persp number."
(when (featurep 'persp-mode)
(when (+doom-window-bottom-left-p)
(when-let ((persp (get-current-persp)))
(propertize
(concat
(number-to-string
(+ 1
(cl-position
(persp-name persp)
(persp-names-current-frame-fast-ordered))))
"."
(or (+doom-modeline-eyebrowse-number) "1")
" ")
'face 'doom-modeline-persp)))))
(advice-add #'window-numbering-install-mode-line :override #'ignore)
(advice-add #'window-numbering-clear-mode-line :override #'ignore)
(def-modeline-segment! window-number
(if (bound-and-true-p window-numbering-mode)
(propertize (format " %s " (window-numbering-get-number-string))
'face (if (active)
'doom-modeline-bar
'doom-modeline-inactive-bar))
""))
(declare-function eyebrowse--get 'eyebrowse)
(def-modeline-segment! workspace-number
"The current workspace name or number. Requires `eyebrowse-mode' to be
enabled."
(if (and (bound-and-true-p eyebrowse-mode)
(< 1 (length (eyebrowse--get 'window-configs))))
(let* ((num (eyebrowse--get 'current-slot))
(tag (when num (nth 2 (assoc num (eyebrowse--get 'window-configs)))))
(str (if (and tag (< 0 (length tag)))
tag
(when num (int-to-string num)))))
(propertize (format "%s " str) 'face 'doom-modeline-eyebrowse))
""))
;;
;; Mode lines
;;
(def-modeline! main
(workspace-number bar matches " " buffer-info " %l:%c %p " selection-info)
(buffer-encoding major-mode vcs flycheck))
(def-modeline! minimal
(bar matches " " buffer-info)
(media-info major-mode))
(def-modeline! special
(bar matches " " buffer-info-simple " %l:%c %p " selection-info)
(buffer-encoding major-mode flycheck))
(def-modeline! project
(bar buffer-default-directory)
(major-mode))
(def-modeline! media
(bar " %b ")
(media-info major-mode))
;;
;; Bootstrap
;;
;;;###autoload
(defun +doom-modeline|init ()
"Set the default modeline."
(doom-set-modeline 'main t)
;; This scratch and messages buffer is already created and doesn't get a
;; modeline.
(with-current-buffer "*Messages*"
(doom-set-modeline 'main))
(with-current-buffer "*scratch*"
(doom-set-modeline 'main)))
(defun +doom-modeline|set-special-modeline ()
"Set the special modeline."
(doom-set-modeline 'special))
(defun +doom-modeline|set-media-modeline ()
"Set the media modeline."
(doom-set-modeline 'media))
(add-hook 'image-mode-hook #'+doom-modeline|set-media-modeline)
(add-hook 'org-src-mode-hook #'+doom-modeline|set-special-modeline)
(add-hook 'circe-mode-hook #'+doom-modeline|set-special-modeline)
(provide 'doom-modeline)
;;; doom-modeline.el ends here