394 lines
15 KiB
EmacsLisp
394 lines
15 KiB
EmacsLisp
;;; Main options
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(require 'functions)
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;;; Minimal UI. Run early to hide it as soon as possible.
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(setq inhibit-startup-screen t)
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(menu-bar-mode -1)
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;;; `tool-bar-mode' and `scroll-bar-mode' might not be compiled in.
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(when (fboundp 'tool-bar-mode) (tool-bar-mode -1))
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(when (fboundp 'scroll-bar-mode) (scroll-bar-mode -1))
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;;; In some cases, Emacs can still decide by itself to use graphical boxes.
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;;; Force on using the minibuffer instead.
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(setq use-dialog-box nil)
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;;; Timeout before echoing the prefix of an unfinished keystroke.
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(setq echo-keystrokes 0.5)
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;;; Remember last cursor position.
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(save-place-mode)
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;;; When the daemon is killed abruptly, places are not saved. Adding this hook
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;;; allows to save places at a strategic moment.
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(add-hook 'before-save-hook 'save-place-kill-emacs-hook)
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;;; Recent files.
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(setq recentf-max-saved-items 40)
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;;; Save M-: history.
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(savehist-mode)
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;;; Disable autosave features.
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(setq auto-save-default nil)
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(setq auto-save-list-file-prefix nil)
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;;; Place backup files in specific directory.
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(setq backup-directory-alist
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`(("." . ,(expand-file-name "backups" user-emacs-directory))))
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;;; Default mode
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(setq-default major-mode 'text-mode)
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;;; Disable suspend key since it is useless on Emacs server.
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(global-unset-key (kbd "C-z"))
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(global-unset-key (kbd "C-x C-z"))
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;;; Make questions less annoying.
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(defalias 'yes-or-no-p 'y-or-n-p)
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;;; Enable all disabled commands.
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(setq disabled-command-function nil)
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;;; Print buffer size in mode line.
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(size-indication-mode 1)
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;;; Display defun in mode line.
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;; (which-function-mode)
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;;; No need when we have a status bar.
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;; (display-time)
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;; (setq display-time-day-and-date t
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;; display-time-24hr-format t
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;; display-time-default-load-average nil)
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;;; Just like time, no need when we have a status bar.
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;; (display-battery-mode)
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;;; TODO: Battery status (%b) does not work properly.
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;; (setq battery-mode-line-format "[%p%%%b %t]")
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;;; Line numbers
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;;; Adding to `find-file-hook' ensures it will work for every file, regardless of
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;;; the mode, but it won't work for buffers without files nor on mode change.
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(dolist (hook '(prog-mode-hook text-mode-hook))
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(add-hook hook 'ambrevar/turn-on-column-number-mode)
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(add-hook hook 'ambrevar/turn-off-line-number-mode)
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(add-hook hook 'display-line-numbers-mode))
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(setq display-line-numbers-type 'visual)
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;;; Emacs-nox does not display a fringe after the linum: Setting linum-format in
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;;; linum-before-numbering-hook is not the right approach as it will change the
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;;; type of linum-format in the middle. See linum-update-window.
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;;; See http://stackoverflow.com/questions/3626632/right-align-line-numbers-with-linum-mode
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;;; and http://stackoverflow.com/questions/3626632/right-align-line-numbers-with-linum-mode.
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;;; The complexity is not worth the benefit.
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;;; Alternative scrolling
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(setq scroll-error-top-bottom t)
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;;; Kill whole line including \n.
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(setq kill-whole-line t)
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;;; Indentation
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(setq-default tab-width 2)
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(defvaralias 'standard-indent 'tab-width)
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(setq-default indent-tabs-mode t)
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;;; Line by line scrolling
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(setq scroll-step 1)
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(setq
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whitespace-style
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'(face empty indentation space-after-tab space-before-tab tab-mark trailing))
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;;; REVIEW: `whitespace-report' will mistakenly always report empty lines at
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;;; beginning and end of buffer as long as there is at least one empty line.
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;;; `whitespace-cleanup' works properly however.
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;;; Reported at http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23740.
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;; (setq whitespace-action '(report-on-bogus))
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;;; Add formatting functions to the buffer-local `before-save-hook'.
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;;; WARNING: this can break some configuration files needing whitespaces at the
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;;; end. This can also slow down saving on big files. Some modes (e.g. lisp) run
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;;; `ambrevar/prettify' in their local hook, which is redundant with this.
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;; (add-hook 'find-file-hook 'ambrevar/turn-on-prettify-before-save)
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(add-hook 'find-file-hook 'ambrevar/turn-on-delete-trailing-whitespace)
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;;; Cycle spacing instead of just-one-space. This frees M-\.
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(global-set-key [remap just-one-space] 'cycle-spacing)
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;;; Hippie expand
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;; (global-set-key (kbd "M-/") 'hippie-expand)
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;;; Abbreviation is like snippets: annoying at times, especially in
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;;; prog-mode. They are useful in text mode to avoid the sprawling of
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;;; abbreviations.
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(add-hook 'text-mode-hook 'abbrev-mode)
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;;; Auto-fill
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(when (getenv "MANWIDTH")
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(setq-default fill-column (string-to-number (getenv "MANWIDTH"))))
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(add-hook 'text-mode-hook 'turn-on-auto-fill)
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;; (setq sentence-end-double-space nil)
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;;; Enforce horizontal splitting. 140 means that the window is large enough to
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;;; hold 2 other windows of 70 columns.
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(setq split-height-threshold nil
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split-width-threshold 140)
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;;; Windmove mode
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;;; By default, it allows easy window switching with Shift+arrows. I like to
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;;; stick to the home-row, but to avoid shadowing other binding I exceptionaly use
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;;; 'super' (normally reserved to the WM).
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(when (fboundp 'windmove-default-keybindings)
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(ambrevar/global-set-keys
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"s-h" 'windmove-left
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"s-j" 'windmove-down
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"s-k" 'windmove-up
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"s-l" 'windmove-right))
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(ambrevar/global-set-keys
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"s-o" 'delete-other-windows
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;; "s-w" 'other-window
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"s-c" 'delete-window)
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;; REVIEW: If xdg-open is not found, set Emacs URL browser to the environment browser,
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;; or w3m if BROWSER is not set.
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;; See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=18986.
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(require 'browse-url)
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(setq browse-url-generic-program (or
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(executable-find (or (getenv "BROWSER") "")) ; TODO: Still need this in Emacs 26?
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(when (executable-find "xdg-mime")
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(let ((desktop-browser (ambrevar/call-process-to-string "xdg-mime" "query" "default" "text/html")))
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(substring desktop-browser 0 (string-match "\\.desktop" desktop-browser))))
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(executable-find browse-url-mozilla-program)
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(executable-find browse-url-firefox-program)
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(executable-find browse-url-chromium-program)
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(executable-find browse-url-kde-program)
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(executable-find browse-url-conkeror-program)
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(executable-find browse-url-chrome-program)))
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(setq shr-external-browser browse-url-browser-function)
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(setq browse-url-browser-function '(;; TODO: Display hyperspec in other window.
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("http://www.lispworks.com/reference/HyperSpec/.*" . eww-browse-url)
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("file:///.*HyperSpec.*" . eww-browse-url)
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("." . browse-url-default-browser)))
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;; shr
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(setq shr-width (string-to-number (or (getenv "MANWIDTH") "80")))
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;;; Extend MIME-types support for videos.
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(with-eval-after-load 'mailcap
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(dolist (ext '((".webm" . "video/webm")
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(".mp4" . "video/mp4")
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(".flv" . "video/mp4")
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(".ogv" . "video/ogg")
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(".mkv" . "video/x-matroska")))
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(add-to-list 'mailcap-mime-extensions ext)))
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;;; Default ispell dictionary. If not set, Emacs uses the current locale.
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(setq ispell-dictionary "english")
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(ambrevar/define-keys text-mode-map
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"C-<f6>" 'ispell-change-dictionary
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"<f6>" 'ispell-buffer)
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;;; Show matching parenthesis
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(show-paren-mode 1)
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;;; By default, there’s a small delay before showing a matching parenthesis. Set
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;;; it to 0 to deactivate.
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(setq show-paren-delay 0)
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(setq show-paren-when-point-inside-paren t)
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;;; Electric Pairs to auto-complete () [] {} "" etc. It works on regions.
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;; (electric-pair-mode)
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;;; Spawn terminal shortcut: WM's binding is s+<return>.
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(global-set-key (kbd "C-x M-<return>") 'spawn-terminal)
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;;; Calendar ISO display.
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(setq calendar-week-start-day 1)
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(setq calendar-date-style 'iso)
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;;; Compilation bindings and conveniences.
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(setq compilation-ask-about-save nil)
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(setq compilation-scroll-output 'first-error)
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(with-eval-after-load 'compile
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;; Making `compilation-directory' local only works with `recompile'
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;; and if `compile' is never used. In such a scenario,
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;; `compile-command' is not saved by `recompile' itself which adds a
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;; lot of bookkeeping.
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;; (make-variable-buffer-local 'compilation-directory)
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;; (make-variable-buffer-local 'compile-history)
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(make-variable-buffer-local 'compile-command))
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;;; Some commands ignore that compilation-mode is a "dumb" terminal and still display colors.
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;;; Thus we render those colors.
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(require 'ansi-color)
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(defun ambrevar/compilation-colorize-buffer ()
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(when (eq major-mode 'compilation-mode)
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(ansi-color-apply-on-region compilation-filter-start (point-max))))
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(add-hook 'compilation-filter-hook 'ambrevar/compilation-colorize-buffer)
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(global-set-key (kbd "<f7>") 'previous-error)
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(global-set-key (kbd "<f8>") 'next-error)
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(defun ambrevar/compile-last-command ()
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(interactive)
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(compile compile-command))
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(ambrevar/define-keys prog-mode-map
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"C-<f6>" 'compile
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;; Do not use `recompile' since we want to change the compilation folder for the current buffer.
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"<f6>" 'ambrevar/compile-last-command)
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;;; REVIEW: Bug 26658 reports that cc-modes mistakenly does not make use of prog-mode-map.
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;;; The following line is a suggested work-around.
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;;; This should be fixed in Emacs 26.
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(eval-after-load 'cc-mode '(set-keymap-parent c-mode-base-map prog-mode-map))
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;;; Comint mode
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(setq comint-prompt-read-only t)
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;;; Desktop-mode
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;;; REVIEW: `desktop-kill' should not query the user in `kill-emacs-hook'.
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;;; https://debbugs.gnu.org/cgi/bugreport.cgi?bug=28943
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;;; TODO: Desktop mode does not save window registers properly.
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;;; See https://groups.google.com/forum/#!topic/gnu.emacs.help/64aO_O43530
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;;; and https://www.reddit.com/r/emacs/comments/4q38s1/save_register_between_sessions/?st=j419vc7r&sh=2617ffb4
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;;; and http://debbugs.gnu.org/cgi/bugreport.cgi?bug=27422
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;;; and https://stackoverflow.com/questions/5830494/windows-configuration-to-registers#5830928
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;;; and https://www.reddit.com/r/emacs/comments/7au3hj/how_do_you_manage_your_emacs_windows_and_stay_sane/dpfbg3a/?context=3.
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(when (daemonp)
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;; Auto-load/save sessions only when running the daemon.
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;; `server-running-p' is only useful once the daemon is started and cannot be
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;; used for initialization. Use `daemonp' instead.
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(when (< emacs-major-version 27)
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;; By default, Emacs<27 prompts for unsafe variable when loading desktop
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;; which stucks the daemon. Disable this behaviour.
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(defun ambrevar/enable-safe-local-variables ()
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(setq enable-local-variables t))
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(add-hook 'after-init-hook 'ambrevar/enable-safe-local-variables))
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(require 'desktop) ; This adds a hook to `after-init-hook'.
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(when (< emacs-major-version 27)
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(defun ambrevar/enable-all-local-variables ()
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(setq enable-local-variables :all))
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(add-hook 'after-init-hook 'ambrevar/enable-all-local-variables))
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(when (< emacs-major-version 27)
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(load "patch-desktop"))
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(setq history-length 250
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;; Default timer (30) is way too high: for somebody too frenzy, the timer
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;; might never be saved. See
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;; https://debbugs.gnu.org/cgi/bugreport.cgi?bug=28943.
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desktop-auto-save-timeout 5
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;; desktop-restore-eager 4 ; Can be annoying as you don't have your last-loaded buffers immediately.
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;; desktop-load-locked-desktop 'ask
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desktop-restore-frames nil
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desktop-save t)
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;; Before Emacs 27, initialization needs the patch above.
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(if (< emacs-major-version 27)
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(desktop-save-mode)
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(defun ambrevar/desktop-init (_frame)
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(desktop-save-mode)
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(desktop-read)
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(remove-hook 'server-after-make-frame-hook 'ambrevar/desktop-init))
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(add-hook 'server-after-make-frame-hook 'ambrevar/desktop-init))
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;; Don't save crytped files since they can't be restored.
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(setq desktop-files-not-to-save
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(concat (substring desktop-files-not-to-save 0 -2) "\\|" (regexp-quote ".gpg") "\\'\\)"))
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;; Discarding PDFs and images makes it lighter.
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(add-to-list 'desktop-modes-not-to-save 'pdf-view-mode)
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(add-to-list 'desktop-modes-not-to-save 'image-mode)
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;; TODO: `compile-history' should be buffer local but that does not work.
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;; http://user42.tuxfamily.org/compile-history-local/index.html
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;; http://stackoverflow.com/questions/22995203/one-compile-command-per-buffer-not-directory
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;; (add-to-list 'desktop-locals-to-save 'compile-history)
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(add-to-list 'desktop-locals-to-save 'compile-command)
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(add-to-list 'desktop-locals-to-save 'ispell-local-dictionary))
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;;; Buffer names.
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(setq uniquify-buffer-name-style 'forward)
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;;; Skeleton settings
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;;; Do not expand abbrevs in skeletons.
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(setq-default skeleton-further-elements '((abbrev-mode nil)))
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(ambrevar/turn-on-skeleton-markers)
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(ambrevar/global-set-keys
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"C->" 'skeleton-next-position
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"C-<" 'skeleton-previous-position)
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;;; Disable prompt (but leave warning) on git symlink.
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(setq vc-follow-symlinks t)
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;;; Clipboard and primary selection.
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;; (setq select-enable-clipboard t)
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(setq select-enable-primary t
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save-interprogram-paste-before-kill t)
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;;; Move mouse away.
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(mouse-avoidance-mode 'banish)
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;;; That binding is not very useful and gets in the way of C-<mouse-1>.
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(global-unset-key (kbd "C-<down-mouse-1>"))
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;;; Scroll zooming.
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(ambrevar/global-set-keys
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"C-<wheel-down>" 'text-scale-decrease
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"C-<mouse-5>" 'text-scale-decrease
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"C-<wheel-up>" 'text-scale-increase
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"C-<mouse-4>" 'text-scale-increase)
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(setq text-scale-mode-step 1.1)
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;;; Sort
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(setq sort-fold-case t)
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;;; Replace not-so-useful comment-dwim binding.
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(global-set-key (kbd "M-;") 'comment-line)
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;;; Eldoc: Disable if too distracting.
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;; (global-eldoc-mode 0)
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;; (setq eldoc-idle-delay 0.1) ; Could be even more distracting.
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;;; Replace `kill-buffer' binding by `kill-this-buffer'.
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(global-set-key (kbd "C-x k") 'kill-this-buffer)
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;;; Ediff
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;;; TODO: Ediff does not seem to auto-refine. Bug? Compare daemon and no-daemon.
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(setq ediff-window-setup-function 'ediff-setup-windows-plain
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ediff-split-window-function 'split-window-horizontally)
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;;; Trash
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(setq delete-by-moving-to-trash t)
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;;; Display Time World
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(setq
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zoneinfo-style-world-list
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'(("UTC" "-")
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("Europe/Paris" "France Germany Sweden")
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("Asia/Calcutta" "India")
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("Indian/Mauritius" "Mauritius")
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("Africa/Tunis" "Tunisia")
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("Asia/Ho_Chi_Minh" "Vietnam")
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("Australia/Melbourne" "Melbourne")
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("Africa/Nairobi" "Uganda")))
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;;; Frame title
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(setq frame-title-format (concat "%b" (unless (daemonp) " [serverless]")))
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;;; Initial scratch buffer message.
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(require 'functions) ; For `ambrevar/fortune-scratch-message'.
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(let ((fortune (ambrevar/fortune-scratch-message)))
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(when fortune
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(setq initial-scratch-message fortune)))
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;;; Support for Emacs pinentry.
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;;; Required for eshell/sudo and everything relying on GPG queries.
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(setq epa-pinentry-mode 'loopback) ; This will fail if gpg>=2.1 is not available.
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(when (require 'pinentry nil t)
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(pinentry-start))
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;;; Edebug
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;; (setq edebug-trace t)
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;;; Make windowing more reactive on. This is especially true with Helm on EXWM.
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(when (= emacs-major-version 26)
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(setq x-wait-for-event-timeout nil))
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(setq woman-fill-column fill-column)
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;;; Save all visited URLs.
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(setq url-history-track t
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url-history-file (expand-file-name "url/history" user-emacs-directory))
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(setq abbrev-file-name (expand-file-name "abbrev_defs" "~/personal"))
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(provide 'main)
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