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Diffstat (limited to 'lisp/my-mode-line.el')
| -rw-r--r-- | lisp/my-mode-line.el | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/lisp/my-mode-line.el b/lisp/my-mode-line.el deleted file mode 100644 index ac14cb1..0000000 --- a/lisp/my-mode-line.el +++ /dev/null @@ -1,322 +0,0 @@ -;;; my-mode-line.el --- Custom mode-line on top of mode-line-maker -*- lexical-binding: t; -*- - -(require 'mode-line-maker) - -(defface my/mode-line-evil-normal - '((t (:inherit font-lock-keyword-face :weight bold))) - "Face for the evil normal state indicator.") - -(defface my/mode-line-evil-insert - '((t (:inherit success :weight bold))) - "Face for the evil insert state indicator.") - -(defface my/mode-line-evil-visual - '((t (:inherit warning :weight bold))) - "Face for the evil visual state indicator.") - -(defface my/mode-line-evil-replace - '((t (:inherit error :weight bold))) - "Face for the evil replace state indicator.") - -(defface my/mode-line-evil-motion - '((t (:inherit font-lock-constant-face :weight bold))) - "Face for the evil motion state indicator.") - -(defface my/mode-line-evil-emacs - '((t (:inherit font-lock-builtin-face :weight bold))) - "Face for the evil Emacs state indicator.") - -(defface my/mode-line-buffer-icon-face - '((t (:inherit mode-line-buffer-id))) - "Face for the current buffer's file or mode icon.") - -(defface my/mode-line-irc-face - '((t (:inherit font-lock-builtin-face :weight bold))) - "Face for the IRC activity indicator.") - -(defface my/mode-line-clatter-face - '((t (:inherit font-lock-builtin-face :weight bold))) - "Face for the Clatter joined-channel indicator.") - -(defface my/mode-line-mu4e-face - '((t (:inherit warning :weight bold))) - "Face for the unread mail indicator.") - -(defface my/mode-line-time-face - '((t (:inherit font-lock-constant-face))) - "Face for the time segment.") - -(defface my/mode-line-state-saved-face - '((t (:inherit success))) - "Face for the saved buffer state icon.") - -(defface my/mode-line-state-modified-face - '((t (:inherit warning :weight bold))) - "Face for the modified buffer state icon.") - -(defface my/mode-line-state-read-only-face - '((t (:inherit error))) - "Face for the read-only buffer state icon.") - -(defvar-local my/mode-line--buffer-title nil) - -(defconst my/mode-line--missing (make-symbol "missing") - "Sentinel used when checking membership in package hash tables.") - -(defvar my/mode-line--format nil - "The installed global header-line mode-line format.") - -(defvar-local my/mode-line--saved-mode-line-format nil - "Clatter's mode-line format saved while the global mode line is hidden.") - -(defun my/mode-line--update-title-cache () - "Update the cached #+title for the current buffer." - (setq-local my/mode-line--buffer-title - (and (derived-mode-p 'org-mode) - (cadar (org-collect-keywords '("TITLE")))))) - -(defun my/mode-line--buffer-title () - "Return the cached #+title, computing it if necessary." - (unless (local-variable-p 'my/mode-line--buffer-title) - (my/mode-line--update-title-cache)) - my/mode-line--buffer-title) - -(defun my/mode-line--invalidate-title-cache () - "Invalidate the cached title so it gets recomputed on next update." - (kill-local-variable 'my/mode-line--buffer-title)) - -(defun my/mode-line-buffer-name () - "Buffer name for the mode line. -Uses the Org #+title if present, otherwise the file path relative to -the project root, falling back to the plain buffer name." - (or (my/mode-line--buffer-title) - (if-let* ((file buffer-file-name) - (project (project-current)) - (root (project-root project))) - (file-relative-name file root) - (buffer-name)))) - -(defun my/mode-line--nerd-icons-p () - "Return non-nil when Nerd Icons are enabled and available." - (and (bound-and-true-p ek-use-nerd-fonts) - (require 'nerd-icons nil t))) - -(defun my/mode-line--icon (name face &optional fallback) - "Render Nerd icon NAME with FACE, or FALLBACK when unavailable." - (if (my/mode-line--nerd-icons-p) - (propertize (nerd-icons-mdicon name) 'face face) - (propertize (or fallback "") 'face face))) - -(defun my/mode-line-buffer-icon () - "Nerd icon for the current buffer, or nil." - (when (my/mode-line--nerd-icons-p) - (or (and buffer-file-name - (ignore-errors - (nerd-icons-icon-for-file - buffer-file-name :face 'my/mode-line-buffer-icon-face))) - (ignore-errors - (nerd-icons-icon-for-mode - major-mode :face 'my/mode-line-buffer-icon-face))))) - -(defconst my/mode-line--evil-states - '((normal "N" my/mode-line-evil-normal) - (insert "I" my/mode-line-evil-insert) - (visual "V" my/mode-line-evil-visual) - (replace "R" my/mode-line-evil-replace) - (motion "M" my/mode-line-evil-motion) - (emacs "E" my/mode-line-evil-emacs)) - "Display labels and theme-derived faces for Evil states.") - -(defun my/mode-line-evil-state () - "Compact, theme-aware indicator for the current Evil state." - (when (bound-and-true-p evil-state) - (let* ((entry (assq evil-state my/mode-line--evil-states)) - (tag (or (nth 1 entry) - (upcase (substring (symbol-name evil-state) 0 1)))) - (face (or (nth 2 entry) 'my/mode-line-evil-normal))) - (propertize (format " %s " tag) 'face face)))) - -(defun my/mode-line-buffer-state () - "Render a clean lock, edit, or saved indicator for the current buffer." - (cond - (buffer-read-only - (my/mode-line--icon "nf-md-lock" - 'my/mode-line-state-read-only-face "RO")) - ((buffer-modified-p) - (my/mode-line--icon "nf-md-pencil" - 'my/mode-line-state-modified-face "*")) - (t - (my/mode-line--icon "nf-md-check" - 'my/mode-line-state-saved-face "=")))) - -(defun my/mode-line-remote () - "Show a remote indicator only for an actual remote directory. -Unlike the built-in `mode-line-remote', local buffers render nothing instead -of a literal dash." - (when (file-remote-p default-directory) - (my/mode-line--icon "nf-md-cloud_outline" - 'font-lock-constant-face "@"))) - -(defun my/mode-line-irc () - "IRC activity indicator: icon plus number of buffers with unread activity." - (when (bound-and-true-p erc-modified-channels-alist) - (let ((icon (my/mode-line--icon "nf-md-forum_outline" - 'my/mode-line-irc-face "irc"))) - (propertize (format "%s %d" icon - (length erc-modified-channels-alist)) - 'face 'my/mode-line-irc-face)))) - -(defun my/mode-line-clatter () - "Clatter indicator showing the number of joined channels." - (when (featurep 'clatter) - (let ((count 0)) - (dolist (buffer (clatter-all-buffers)) - (when (with-current-buffer buffer - (and (eq clatter--buffer-type 'channel) - (hash-table-p clatter--nick-list) - (when-let* ((connection - (clatter-get-connection clatter--network)) - ((eq (clatter-connection-state connection) - :connected)) - (nick (clatter-connection-nick connection))) - (not (eq (gethash (downcase nick) clatter--nick-list - my/mode-line--missing) - my/mode-line--missing))))) - (setq count (1+ count)))) - (when (> count 0) - (let ((icon (my/mode-line--icon "nf-md-forum_outline" - 'my/mode-line-clatter-face "irc"))) - (propertize (format "%s %d" icon count) - 'face 'my/mode-line-clatter-face)))))) - -(defun my/mode-line-mu4e-formatter (mail-count) - "Format MAIL-COUNT for the custom mode line without an extra icon." - (unless (zerop mail-count) - (number-to-string mail-count))) - -(defun my/mode-line-mu4e () - "Unread mail indicator from mu4e-alert, or nil when mu4e is not in use." - (when (bound-and-true-p mu4e-alert-mode-line) - (let ((icon (my/mode-line--icon "nf-md-email_outline" - 'my/mode-line-mu4e-face "mail"))) - (propertize (format "%s %s" icon - (string-trim mu4e-alert-mode-line)) - 'face 'my/mode-line-mu4e-face)))) - -(defvar my/mode-line--clock-icons - ["nf-md-clock_time_twelve" "nf-md-clock_time_one" "nf-md-clock_time_two" - "nf-md-clock_time_three" "nf-md-clock_time_four" "nf-md-clock_time_five" - "nf-md-clock_time_six" "nf-md-clock_time_seven" "nf-md-clock_time_eight" - "nf-md-clock_time_nine" "nf-md-clock_time_ten" "nf-md-clock_time_eleven"] - "Nerd icon clock faces indexed by hour modulo 12.") - -(defun my/mode-line-time () - "Time with a live clock icon showing the current hour." - (when (bound-and-true-p display-time-string) - (let* ((hour (% (string-to-number (format-time-string "%I")) 12)) - (icon (and (my/mode-line--nerd-icons-p) - (nerd-icons-mdicon (aref my/mode-line--clock-icons hour)))) - (time (string-trim display-time-string))) - (propertize (if icon (concat icon " " time) time) - 'face 'my/mode-line-time-face)))) - -(defun my/mode-line-sync-theme (&optional _theme) - "Make helper padding inherit the live header-line theme face. -Optional THEME is ignored so this function also fits -`enable-theme-functions'." - (set-face-attribute 'mode-line-maker-padding-face nil - :inherit 'header-line - :foreground 'unspecified - :background 'unspecified - :box nil - :overline nil - :underline nil - :inverse-video nil - :strike-through nil)) - -(defun my/mode-line--hide-clatter-buffers (&rest _) - "Hide Clatter's local mode lines while the global mode line is disabled." - (unless my/global-mode-line-mode - (dolist (buffer (buffer-list)) - (with-current-buffer buffer - (when (derived-mode-p 'clatter-mode) - (unless (local-variable-p 'my/mode-line--saved-mode-line-format) - (setq-local my/mode-line--saved-mode-line-format mode-line-format)) - (setq-local mode-line-format nil)))))) - -(defun my/mode-line--restore-package-mode-lines () - "Restore package-local mode lines hidden by the global toggle." - (dolist (buffer (buffer-list)) - (with-current-buffer buffer - (when (local-variable-p 'my/mode-line--saved-mode-line-format) - (setq-local mode-line-format my/mode-line--saved-mode-line-format) - (kill-local-variable 'my/mode-line--saved-mode-line-format))))) - -(define-minor-mode my/global-mode-line-mode - "Show the custom global mode line. - -When disabled, the header-based global mode line and Clatter's package-local -bottom mode lines are hidden. Local informational headers, such as Elfeed's -column headings, remain visible." - :global t - :init-value t - :group 'mode-line - (if my/global-mode-line-mode - (progn - (setq-default header-line-format my/mode-line--format) - (my/mode-line--restore-package-mode-lines)) - (setq-default header-line-format nil) - (my/mode-line--hide-clatter-buffers)) - (force-mode-line-update t)) - -(defun my/toggle-mode-line () - "Toggle the custom mode line globally." - (interactive) - (my/global-mode-line-mode (if my/global-mode-line-mode -1 1))) - -(with-eval-after-load 'clatter-ui - (unless (advice-member-p #'my/mode-line--hide-clatter-buffers - 'clatter-ui-setup-buffer) - (advice-add 'clatter-ui-setup-buffer :after - #'my/mode-line--hide-clatter-buffers))) - -(with-eval-after-load 'clatter-track - (unless (advice-member-p #'my/mode-line--hide-clatter-buffers - 'clatter-track--refresh-mode-lines) - (advice-add 'clatter-track--refresh-mode-lines :after - #'my/mode-line--hide-clatter-buffers))) - -(defun my/mode-line-install () - "Install the custom mode-line built with mode-line-maker. -The mode-line lives at the top of the window via `header-line-format'; -the bottom mode-line is hidden." - (setq global-mode-string (delq 'display-time-string global-mode-string)) - (my/mode-line-sync-theme) - (add-hook 'enable-theme-functions #'my/mode-line-sync-theme) - (setq-default mode-line-format nil) - (setq my/mode-line--format - (mode-line-maker - '((:eval (my/mode-line-evil-state)) " " - (:eval (my/mode-line-buffer-state)) - (:eval (my/mode-line-remote)) " " - (:eval (my/mode-line-buffer-icon)) " " - (:eval (propertize (my/mode-line-buffer-name) - 'face 'mode-line-buffer-id - 'mouse-face 'mode-line-highlight - 'help-echo (concat (or buffer-file-truename (buffer-name)) - "\nmouse-1: Previous buffer\nmouse-3: Next buffer") - 'local-map mode-line-buffer-identification-keymap)) " " - mode-line-position) - '("" (:eval (my/mode-line-irc)) " " - (:eval (my/mode-line-clatter)) " " - (:eval (my/mode-line-mu4e)) " " - mode-line-process " " - (:eval (my/mode-line-time)) " " - mode-name " "))) - ;; The mode line is visible on every startup, regardless of its previous - ;; interactive state in a long-running session. - (my/global-mode-line-mode 1) - (add-hook 'before-save-hook #'my/mode-line--invalidate-title-cache)) - -(provide 'my-mode-line) -;;; my-mode-line.el ends here |