610 lines
22 KiB
EmacsLisp
610 lines
22 KiB
EmacsLisp
;;; ui/doom-modeline/config.el
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(eval-when-compile (require 'subr-x))
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(line-number-mode -1)
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;; all-the-icons doesn't work in the terminal, so we "disable" it.
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(unless (display-graphic-p)
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(defalias 'all-the-icons-octicon #'ignore)
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(defalias 'all-the-icons-faicon #'ignore)
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(defalias 'all-the-icons-fileicon #'ignore)
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(defalias 'all-the-icons-wicon #'ignore)
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(defalias 'all-the-icons-alltheicon #'ignore))
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(def-package! all-the-icons :demand t
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:when (display-graphic-p))
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(def-package! eldoc-eval :demand t
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:config
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;; Show eldoc in the mode-line with `eval-expression'
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(defun +doom-modeline--show-eldoc (input)
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"Display string STR in the mode-line next to minibuffer."
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(with-current-buffer (eldoc-current-buffer)
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(let* ((str (and (stringp input) input))
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(mode-line-format (or (and str (or (doom-modeline 'eldoc) str))
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mode-line-format))
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mode-line-in-non-selected-windows)
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(force-mode-line-update)
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(sit-for eldoc-show-in-mode-line-delay))))
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(setq eldoc-in-minibuffer-show-fn #'+doom-modeline--show-eldoc)
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(eldoc-in-minibuffer-mode +1))
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;; anzu and evil-anzu make it possible to display current/total in the
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;; mode-line.
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(def-package! evil-anzu
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:when (featurep 'evil)
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:init
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(add-transient-hook! evil-ex-start-search (require 'evil-anzu))
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:config
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(setq anzu-cons-mode-line-p nil
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anzu-minimum-input-length 1
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anzu-search-threshold 250)
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;; Avoid anzu conflicts across buffers
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(mapc #'make-variable-buffer-local
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'(anzu--total-matched anzu--current-position anzu--state
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anzu--cached-count anzu--cached-positions anzu--last-command
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anzu--last-isearch-string anzu--overflow-p))
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;; Ensure anzu state is cleared when searches & iedit are done
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(add-hook! :append '(isearch-mode-end-hook +evil-esc-hook)
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#'anzu--reset-status)
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(after! iedit
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(add-hook 'iedit-mode-end-hook #'anzu--reset-status)))
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;;; Flash the mode-line on error
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;; TODO More flexible colors (only suits dark themes)
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;; FIXME fast key-repeat can make the mode-line bg get stuck (rare)
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(defvar doom--visual-bell-old-bg nil)
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(defun doom-visual-bell ()
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"Blink the mode-line red briefly."
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(unless doom--visual-bell-old-bg
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(setq doom--visual-bell-old-bg (face-background 'mode-line)))
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(set-face-background 'mode-line "#54252C")
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(run-with-timer
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0.1 nil
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(lambda () (set-face-background 'mode-line doom--visual-bell-old-bg))))
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(setq ring-bell-function #'doom-visual-bell
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visible-bell nil)
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;; Keep `+doom-modeline-current-window' up-to-date
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(defvar +doom-modeline-current-window (frame-selected-window))
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(defun +doom-modeline|set-selected-window (&rest _)
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"Sets `+doom-modeline-current-window' appropriately"
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(let ((win (frame-selected-window)))
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(unless (minibuffer-window-active-p win)
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(setq +doom-modeline-current-window win))))
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(add-hook 'window-configuration-change-hook #'+doom-modeline|set-selected-window)
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(add-hook 'focus-in-hook #'+doom-modeline|set-selected-window)
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(advice-add #'handle-switch-frame :after #'+doom-modeline|set-selected-window)
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(advice-add #'select-window :after #'+doom-modeline|set-selected-window)
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;;
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;; Variables
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;;
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(defvar +doom-modeline-height 29
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"How tall the mode-line should be (only respected in GUI emacs).")
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(defvar +doom-modeline-bar-width 3
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"How wide the mode-line bar should be (only respected in GUI emacs).")
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(defvar +doom-modeline-vspc
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(propertize " " 'face 'variable-pitch)
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"TODO")
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;; externs
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(defvar anzu--state nil)
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(defvar evil-mode nil)
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(defvar evil-state nil)
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(defvar evil-visual-selection nil)
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(defvar iedit-mode nil)
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;;
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;; Custom faces
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;;
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(defgroup +doom-modeline nil
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""
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:group 'doom)
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(defface doom-modeline-buffer-path
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'((t (:inherit mode-line-emphasis :bold t)))
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"Face used for the dirname part of the buffer path."
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:group '+doom-modeline)
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(defface doom-modeline-buffer-file
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'((t (:inherit mode-line-buffer-id)))
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"Face used for the filename part of the mode-line buffer path."
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:group '+doom-modeline)
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(defface doom-modeline-buffer-modified
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'((t (:inherit error :background nil :bold t)))
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"Face used for the 'unsaved' symbol in the mode-line."
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:group '+doom-modeline)
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(defface doom-modeline-buffer-major-mode
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'((t (:inherit mode-line-emphasis :bold t)))
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"Face used for the major-mode segment in the mode-line."
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:group '+doom-modeline)
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(defface doom-modeline-highlight
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'((t (:inherit mode-line-emphasis)))
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"Face for bright segments of the mode-line."
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:group '+doom-modeline)
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(defface doom-modeline-panel
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'((t (:inherit mode-line-highlight)))
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"Face for 'X out of Y' segments, such as `+doom-modeline--anzu', `+doom-modeline--evil-substitute' and
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`iedit'"
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:group '+doom-modeline)
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(defface doom-modeline-info
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`((t (:inherit success :bold t)))
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"Face for info-level messages in the modeline. Used by `*vc'."
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:group '+doom-modeline)
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(defface doom-modeline-warning
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`((t (:inherit warning :bold t)))
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"Face for warnings in the modeline. Used by `*flycheck'"
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:group '+doom-modeline)
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(defface doom-modeline-urgent
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`((t (:inherit error :bold t)))
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"Face for errors in the modeline. Used by `*flycheck'"
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:group '+doom-modeline)
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;; Bar
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(defface doom-modeline-bar '((t (:inherit highlight)))
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"The face used for the left-most bar on the mode-line of an active window."
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:group '+doom-modeline)
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(defface doom-modeline-eldoc-bar '((t (:inherit shadow)))
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"The face used for the left-most bar on the mode-line when eldoc-eval is
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active."
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:group '+doom-modeline)
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(defface doom-modeline-inactive-bar '((t (:inherit warning :inverse-video t)))
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"The face used for the left-most bar on the mode-line of an inactive window."
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:group '+doom-modeline)
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;;
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;; Bootstrap
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;;
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;; Show version string for multi-version managers like rvm, rbenv, pyenv, etc.
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(defvar-local +doom-modeline-env-version nil)
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(defvar-local +doom-modeline-env-command nil)
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(add-hook! '(focus-in-hook find-file-hook) #'+doom-modeline|update-env)
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(defun +doom-modeline|update-env ()
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(when +doom-modeline-env-command
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(let* ((default-directory (doom-project-root))
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(s (shell-command-to-string +doom-modeline-env-command)))
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(setq +doom-modeline-env-version (if (string-match "[ \t\n\r]+\\'" s)
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(replace-match "" t t s)
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s)))))
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;; Only support python and ruby for now
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(add-hook! 'python-mode-hook (setq +doom-modeline-env-command "python --version 2>&1 | cut -d' ' -f2"))
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(add-hook! 'ruby-mode-hook (setq +doom-modeline-env-command "ruby --version 2>&1 | cut -d' ' -f2"))
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;;
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;; Modeline helpers
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;;
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(defsubst active ()
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(eq (selected-window) +doom-modeline-current-window))
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;; Inspired from `powerline's `pl/make-xpm'.
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(def-memoized! +doom-modeline--make-xpm (color height width)
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"Create an XPM bitmap."
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(when (display-graphic-p)
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(propertize
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" " 'display
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(let ((data (make-list height (make-list width 1)))
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(i 0)
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(color (or color "None")))
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(create-image
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(concat
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(format "/* XPM */\nstatic char * percent[] = {\n\"%i %i 2 1\",\n\". c %s\",\n\" c %s\","
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(length (car data))
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(length data)
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color
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color)
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(let ((len (length data))
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(idx 0))
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(apply #'concat
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(mapcar #'(lambda (dl)
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(setq idx (+ idx 1))
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(concat
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"\""
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(concat
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(mapcar #'(lambda (d)
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(if (eq d 0)
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(string-to-char " ")
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(string-to-char ".")))
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dl))
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(if (eq idx len) "\"};" "\",\n")))
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data))))
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'xpm t :ascent 'center)))))
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(defun +doom-modeline--buffer-file ()
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"Display the base of the current buffer's filename."
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(if buffer-file-name
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(file-name-nondirectory (or buffer-file-truename (file-truename buffer-file-name)))
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"%b"))
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(defun +doom-modeline--buffer-path ()
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"Displays the buffer's full path relative to the project root (includes the
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project root). Excludes the file basename. See `doom-buffer-name' for that."
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(when buffer-file-name
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(let ((buffer-path
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(file-relative-name (file-name-directory
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(or buffer-file-truename (file-truename buffer-file-name)))
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(doom-project-root))))
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(unless (equal buffer-path "./")
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(let ((max-length (truncate (* (window-body-width) 0.4))))
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(if (> (length buffer-path) max-length)
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(let ((path (nreverse (split-string buffer-path "/" t)))
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(output ""))
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(when (and path (equal "" (car path)))
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(setq path (cdr path)))
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(while (and path (<= (length output) (- max-length 4)))
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(setq output (concat (car path) "/" output)
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path (cdr path)))
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(when path
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(setq output (concat "../" output)))
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(unless (string-suffix-p "/" output)
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(setq output (concat output "/")))
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output)
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buffer-path))))))
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;;
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;; Segments
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;;
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(def-modeline-segment! buffer-project
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"Displays `doom-project-root'. This is for special buffers like the scratch
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buffer where knowing the current project directory is important."
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(let ((face (if (active) 'doom-modeline-buffer-path)))
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(concat (all-the-icons-octicon
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"file-directory"
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:face face
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:v-adjust -0.05
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:height 1.25)
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(propertize (concat " " (abbreviate-file-name (doom-project-root)))
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'face face))))
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;;
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(def-modeline-segment! buffer-info
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"Combined information about the current buffer, including the current working
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directory, the file name, and its state (modified, read-only or non-existent)."
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(let* ((all-the-icons-scale-factor 1.2)
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(modified-p (buffer-modified-p))
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(active (active))
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(faces (if modified-p 'doom-modeline-buffer-modified)))
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(concat (if buffer-read-only
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(concat (all-the-icons-octicon
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"lock"
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:face 'doom-modeline-warning
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:v-adjust -0.05)
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" ")
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(when modified-p
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(concat
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(all-the-icons-faicon "floppy-o"
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:face 'doom-modeline-buffer-modified
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:v-adjust -0.1)
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" ")))
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(when (and buffer-file-name (not (file-exists-p buffer-file-name)))
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(concat (all-the-icons-octicon
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"circle-slash"
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:face 'doom-modeline-urgent
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:v-adjust -0.05)
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" "))
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(when-let (dir-path (+doom-modeline--buffer-path))
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(if-let (faces (or faces (if active 'doom-modeline-buffer-path)))
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(propertize dir-path 'face `(:inherit ,faces))
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dir-path))
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(when-let (file-path (+doom-modeline--buffer-file))
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(if-let (faces (or faces (if active 'doom-modeline-buffer-file)))
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(propertize file-path 'face `(:inherit ,faces))
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file-path)))))
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;;
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(def-modeline-segment! buffer-encoding
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"Displays the encoding and eol style of the buffer the same way Atom does."
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(concat (let ((eol-type (coding-system-eol-type buffer-file-coding-system)))
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(cond ((eq eol-type 0) "LF ")
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((eq eol-type 1) "CRLF ")
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((eq eol-type 2) "CR ")))
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(let* ((sys (coding-system-plist buffer-file-coding-system))
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(sys-name (plist-get sys :name))
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(sys-cat (plist-get sys :category)))
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(cond ((memq sys-cat '(coding-category-undecided coding-category-utf-8))
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"UTF-8")
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(t (upcase (symbol-name sys-name)))))
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" "))
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;;
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(def-modeline-segment! major-mode
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"The major mode, including process, environment and text-scale info."
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(propertize
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(concat (format-mode-line mode-name)
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(if (stringp mode-line-process) mode-line-process)
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(if +doom-modeline-env-version (concat " " +doom-modeline-env-version))
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(and (featurep 'face-remap)
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(/= text-scale-mode-amount 0)
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(format " (%+d)" text-scale-mode-amount)))
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'face (if (active) 'doom-modeline-buffer-major-mode)))
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;;
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(def-modeline-segment! vcs
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"Displays the current branch, colored based on its state."
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(when vc-mode
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(let ((backend (vc-backend buffer-file-name))
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(state (vc-state buffer-file-name))
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(face 'mode-line-inactive)
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(active (active))
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(all-the-icons-scale-factor 1.0)
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(all-the-icons-default-adjust -0.1))
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(concat +doom-modeline-vspc
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(cond ((memq state '(edited added))
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(if active (setq face 'doom-modeline-info))
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(all-the-icons-octicon
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"git-branch"
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:face face
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:height 1.2
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:v-adjust -0.05))
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((eq state 'needs-merge)
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(if active (setq face 'doom-modeline-info))
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(all-the-icons-octicon "git-merge" :face face))
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((eq state 'needs-update)
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(if active (setq face 'doom-modeline-warning))
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(all-the-icons-octicon "arrow-down" :face face))
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((memq state '(removed conflict unregistered))
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(if active (setq face 'doom-modeline-urgent))
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(all-the-icons-octicon "alert" :face face))
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(t
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(if active (setq face 'font-lock-doc-face))
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(all-the-icons-octicon
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"git-branch"
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:face face
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:height 1.2
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:v-adjust -0.05)))
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" "
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(propertize (substring vc-mode (+ (if (eq backend 'Hg) 2 3) 2))
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'face (if active face))
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" "
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+doom-modeline-vspc))))
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;;
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(def-memoized! +doom-ml-icon (icon &optional text face)
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"Displays an octicon ICON with FACE, followed by TEXT. Uses
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`all-the-icons-octicon' to fetch the icon."
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(concat
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" "
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(when icon
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(concat
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(all-the-icons-octicon icon :face face :height 1.0 :v-adjust 0)
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(if text " ")))
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(when text
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(propertize text 'face face))))
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(def-modeline-segment! flycheck
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"Displays color-coded flycheck error status in the current buffer with pretty
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icons."
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(when (boundp 'flycheck-last-status-change)
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(pcase flycheck-last-status-change
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('finished (if flycheck-current-errors
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(let-alist (flycheck-count-errors flycheck-current-errors)
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(let ((sum (+ (or .error 0) (or .warning 0))))
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(+doom-ml-icon "circle-slash"
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(number-to-string sum)
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(if .error 'doom-modeline-urgent 'doom-modeline-warning))))
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(concat
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(+doom-ml-icon "check" nil 'doom-modeline-info) " ")))
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('running (+doom-ml-icon "ellipsis" "Running" 'font-lock-doc-face))
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('no-checker (+doom-ml-icon "alert" "-" 'font-lock-doc-face))
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('errored (+doom-ml-icon "alert" "Error" 'doom-modeline-urgent))
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('interrupted (+doom-ml-icon "x" "Interrupted" 'font-lock-doc-face))
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;; ('suspicious "")
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)))
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;;
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(defsubst doom-column (pos)
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(save-excursion (goto-char pos)
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(current-column)))
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(def-modeline-segment! selection-info
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"Information about the current selection, such as how many characters and
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lines are selected, or the NxM dimensions of a block selection."
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(when (and (active) (or mark-active (eq evil-state 'visual)))
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(let ((reg-beg (region-beginning))
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(reg-end (region-end)))
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(propertize
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(let ((lines (count-lines reg-beg (min (1+ reg-end) (point-max)))))
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(cond ((or (bound-and-true-p rectangle-mark-mode)
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(eq 'block evil-visual-selection))
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(let ((cols (abs (- (doom-column reg-end)
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(doom-column reg-beg)))))
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(format "%dx%dB" lines cols)))
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((eq 'line evil-visual-selection)
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(format "%dL" lines))
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((> lines 1)
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(format "%dC %dL" (- (1+ reg-end) reg-beg) lines))
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(t
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(format "%dC" (- (1+ reg-end) reg-beg)))))
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'face 'doom-modeline-highlight))))
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;;
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(defun +doom-modeline--macro-recording ()
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"Display current Emacs or evil macro being recorded."
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(when (and (active) (or defining-kbd-macro executing-kbd-macro))
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(let ((sep (propertize " " 'face 'doom-modeline-panel)))
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(concat sep
|
|
(propertize (if (bound-and-true-p evil-this-macro)
|
|
(char-to-string evil-this-macro)
|
|
"Macro")
|
|
'face 'doom-modeline-panel)
|
|
sep
|
|
(all-the-icons-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'."
|
|
(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 :s matches 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))))
|
|
|
|
(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 (cdr
|
|
(memq this-oc (sort (append iedit-occurrences-overlays (list))
|
|
(lambda (x y) (< (overlay-start x) (overlay-start y))))))))
|
|
"-")
|
|
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 (string= 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)
|
|
(let ((size (image-size (image-get-display-property) :pixels)))
|
|
(format " %dx%d " (car size) (cdr size))))))
|
|
|
|
;;
|
|
(def-modeline-segment! eldoc
|
|
"Display eldoc documentation in the mode-line while using the minibuffer (e.g.
|
|
`eval-expression')."
|
|
(bound-and-true-p str))
|
|
|
|
;; These bars regulate the height of the mode-line in GUI Emacs.
|
|
(def-modeline-segment! bar
|
|
(+doom-modeline--make-xpm
|
|
(face-background (if (active)
|
|
'doom-modeline-bar
|
|
'doom-modeline-inactive-bar)
|
|
nil t)
|
|
+doom-modeline-height
|
|
+doom-modeline-bar-width))
|
|
|
|
(def-modeline-segment! eldoc-bar
|
|
"A differently colored bar, to signify an eldoc display."
|
|
(+doom-modeline--make-xpm
|
|
(face-background 'doom-modeline-eldoc-bar nil t)
|
|
+doom-modeline-height
|
|
+doom-modeline-bar-width))
|
|
|
|
|
|
;;
|
|
;; Mode lines
|
|
;;
|
|
|
|
(def-modeline! main
|
|
(bar matches " " buffer-info " %l:%c %p " selection-info)
|
|
(buffer-encoding vcs major-mode flycheck))
|
|
|
|
(def-modeline! eldoc
|
|
(eldoc-bar " " eldoc)
|
|
(media-info major-mode))
|
|
|
|
(def-modeline! minimal
|
|
(bar matches " " buffer-info)
|
|
(media-info major-mode))
|
|
|
|
(def-modeline! special
|
|
(bar matches " %b %l:%c %p " selection-info)
|
|
(buffer-encoding major-mode flycheck))
|
|
|
|
(def-modeline! project
|
|
(bar " " buffer-project)
|
|
(major-mode))
|
|
|
|
(def-modeline! media
|
|
(bar " %b ")
|
|
(media-info major-mode))
|
|
|
|
;;
|
|
(doom-set-modeline 'main t)
|
|
|
|
;; This scratch buffer is already created, and doesn't get a modeline. For the
|
|
;; love of Emacs, someone give the man a modeline!
|
|
(with-current-buffer "*scratch*"
|
|
(doom-set-modeline 'main))
|
|
|
|
|
|
;;
|
|
;; Hooks
|
|
;;
|
|
|
|
(defun +doom-modeline|set-special-modeline ()
|
|
(doom-set-modeline 'special))
|
|
|
|
(defun +doom-modeline|set-media-modeline ()
|
|
(doom-set-modeline 'media))
|
|
|
|
(add-hook 'org-src-mode-hook #'+doom-modeline|set-special-modeline)
|
|
(add-hook 'image-mode-hook #'+doom-modeline|set-media-modeline)
|