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;;; -*- lexical-binding: t; -*-
;; Hide those ugly tool bars:
(tool-bar-mode 0)
(scroll-bar-mode 0)
(menu-bar-mode 0)
(add-hook 'after-make-frame-functions
(lambda (frame) (scroll-bar-mode 0)))
;; Don't do any annoying things:
(setq ring-bell-function 'ignore)
(setq initial-scratch-message "")
;; Usually emacs will run as a proper GUI application, in which case a few
;; extra settings are nice-to-have:
(when window-system
(setq frame-title-format '(buffer-file-name "%f" ("%b")))
(mouse-wheel-mode t)
(blink-cursor-mode -1))
;; Configure Emacs fonts.
(let ((font (format "JetBrains Mono-%d" 12)))
(setq default-frame-alist `((font . ,font)))
(set-frame-font font t t))
;; Configure telephone-line
(defun telephone-misc-if-last-window ()
"Renders the mode-line-misc-info string for display in the
mode-line if the currently active window is the last one in the
frame.
The idea is to not display information like the current time,
load, battery levels on all buffers."
(when (bottom-right-window-p)
(telephone-line-raw mode-line-misc-info t)))
;; Implements a mode-line warning if there are any logged in TTY
;; sessions apart from the graphical one.
;;
;; The status is only updated once every 30 seconds, as it requires
;; shelling out to some commands (for now).
(defun list-tty-sessions ()
"List all logged in tty sessions, except tty7 (graphical)"
(let ((command "who | awk '{print $2}' | grep -v tty7"))
(-filter (lambda (s) (not (string-empty-p s)))
(s-lines
(s-trim (let ((default-directory "/"))
(shell-command-to-string command)))))))
(defvar cached-tty-sessions (cons (time-convert nil 'integer) (list-tty-sessions))
"Cached TTY session value to avoid running the command too often.")
(defun get-cached-tty-sessions ()
(let ((time ))
(when (< 30
(- (time-convert nil 'integer)
(car cached-tty-sessions)))
(setq cached-tty-sessions
(cons (time-convert nil 'integer) (list-tty-sessions)))))
(cdr cached-tty-sessions))
(telephone-line-defsegment telephone-line-warn-tty-session ()
(when-let (sessions (get-cached-tty-sessions))
(format "W: [%s]!!" (s-join "," sessions))))
(defun telephone-line-setup ()
(telephone-line-defsegment telephone-line-last-window-segment ()
(telephone-misc-if-last-window))
;; Define a highlight font for ~ important ~ information in the last
;; window.
(defface special-highlight '((t (:foreground "white" :background "#5f627f"))) "")
(add-to-list 'telephone-line-faces
'(highlight . (special-highlight . special-highlight)))
(setq telephone-line-lhs
'((highlight . (telephone-line-warn-tty-session))
(nil . (telephone-line-position-segment))
(accent . (telephone-line-buffer-segment))))
(setq telephone-line-rhs
'((accent . (telephone-line-major-mode-segment))
(nil . (telephone-line-last-window-segment))
;; TODO(tazjin): lets not do this particular thing while I
;; don't actually run notmuch, there are too many things
;; that have a dependency on the modeline drawing correctly
;; (including randr operations!)
;;
;; (highlight . (telephone-line-notmuch-counts))
))
(setq telephone-line-primary-left-separator 'telephone-line-tan-left
telephone-line-primary-right-separator 'telephone-line-tan-right
telephone-line-secondary-left-separator 'telephone-line-tan-hollow-left
telephone-line-secondary-right-separator 'telephone-line-tan-hollow-right)
(telephone-line-mode 1))
;; Auto refresh buffers
(global-auto-revert-mode 1)
;; Use clipboard properly
(setq select-enable-clipboard t)
;; Show in-progress chords in minibuffer
(setq echo-keystrokes 0.1)
;; Show column numbers in all buffers
(column-number-mode t)
(defalias 'yes-or-no-p 'y-or-n-p)
(defalias 'auto-tail-revert-mode 'tail-mode)
;; Style line numbers (shown with M-g g)
(setq linum-format
(lambda (line)
(propertize
(format (concat " %"
(number-to-string
(length (number-to-string
(line-number-at-pos (point-max)))))
"d ")
line)
'face 'linum)))
;; Display tabs as 2 spaces
(setq tab-width 2)
;; Don't wrap around when moving between buffers
(setq windmove-wrap-around nil)
;; Don't show me all emacs warnings immediately. Unfortunately this is
;; not very granular, as emacs displays most of its warnings in the
;; `emacs' "category", but without it every time I
;; fullscreen/unfullscreen the warning buffer destroys my layout.
;;
;; Warnings suppressed by this are still logged to the warnings
;; buffer.
(setq warning-suppress-types '((emacs)))
(provide 'look-and-feel)
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