128 lines
5.5 KiB
EmacsLisp
128 lines
5.5 KiB
EmacsLisp
;;; buffers.el --- Default settings for buffers. -*- lexical-binding: t; -*-
|
|
|
|
;; Time-stamp: <2020-11-26T12:47:14+0100>
|
|
|
|
;;; Commentary:
|
|
;; * Setup scratch buffer.
|
|
;; * Set fill-column.
|
|
;; * Define which buffers should be ignored.
|
|
;; * Enable auto-fill-mode.
|
|
|
|
;;; Code:
|
|
|
|
(require 'basics/package-management)
|
|
(require 'misc/libs)
|
|
|
|
(use-package emacs
|
|
:straight (:type built-in)
|
|
:demand t
|
|
:custom ((initial-scratch-message nil) ; Make scratch buffer empty,
|
|
(initial-major-mode 'gfm-mode)) ; and select mode.
|
|
:config (progn
|
|
(defvar my/skippable-buffers
|
|
'("^\\*" "^magit[:-]" "^Pfuture-Callback")
|
|
"Buffer names ignored by `next-buffer' and `previous-buffer'.")
|
|
(defvar my/never-skippable-buffers
|
|
'("^\\*scratch\\*$" "^\\*Easy-hugo\\*$")
|
|
"Buffer names never ignored by `next-buffer' and `previous-buffer'.")
|
|
(defun my/buffer-predicate (buffer)
|
|
"Return nil if buffer-name matches expression in `my/skippable-buffers'."
|
|
(catch 'return
|
|
;; Return t if buffer-name is on never-skippable list.
|
|
(dolist (expression my/never-skippable-buffers)
|
|
(if (string-match expression (buffer-name buffer))
|
|
(throw 'return t)))
|
|
;; Return nil if buffer-name is on skippable list.
|
|
(dolist (expression my/skippable-buffers)
|
|
(if (string-match expression (buffer-name buffer))
|
|
(throw 'return nil)))
|
|
t))
|
|
(set-frame-parameter nil 'buffer-predicate 'my/buffer-predicate)
|
|
; Doesn't work with use-package?
|
|
(add-hook 'after-make-frame-functions
|
|
(lambda (frame)
|
|
(set-frame-parameter
|
|
frame 'buffer-predicate 'my/buffer-predicate)))
|
|
|
|
(defun my/truncate-lines ()
|
|
"Truncate lines in local buffer instead of wrapping them."
|
|
(setq-local truncate-lines t)))
|
|
:bind (("M-<left>" . previous-buffer)
|
|
("M-<right>" . next-buffer))
|
|
:hook ((prog-mode . my/truncate-lines)
|
|
(conf-mode . my/truncate-lines)
|
|
(emacs-startup . (lambda () (with-current-buffer "*scratch*"
|
|
(auto-fill-mode -1))))))
|
|
|
|
;; Show and select buffers. Minimal interface for recovery situations.
|
|
(use-package bs
|
|
:bind ("C-x C-b" . bs-show))
|
|
|
|
;; Delete old buffers.
|
|
;; https://www.emacswiki.org/emacs/CleanBufferList
|
|
(use-package midnight
|
|
:defer 4
|
|
:init (setq midnight-delay 30 ; 30 seconds after “midnight”.
|
|
midnight-period (* 2 60 60)) ; Clean every 2 hours.
|
|
:custom ((clean-buffer-list-delay-general 1) ; Clean normal bufs after 1d,
|
|
(clean-buffer-list-delay-special (* 30 60))) ; special after 30m.
|
|
:config (progn
|
|
(setq clean-buffer-list-kill-regexps ; Add these to special buffers.
|
|
(nconc clean-buffer-list-kill-regexps
|
|
'("^magit-?.*:"
|
|
"\\.log$"
|
|
"^\\*rdm\\*$"
|
|
"^\\*Backtrace\\*$"
|
|
"^Pfuture-Callback"
|
|
)))
|
|
(midnight-mode t)))
|
|
|
|
;; Dedicate windows to “purposes”.
|
|
(use-package window-purpose
|
|
:demand t ; projectile depends on window-purpose.
|
|
:diminish purpose-mode
|
|
:custom (purpose-x-popwin-position 'right)
|
|
:config (progn
|
|
(purpose-mode)
|
|
(add-to-list 'purpose-user-mode-purposes '(c++-mode . cpp))
|
|
(add-to-list 'purpose-user-mode-purposes '(qml-mode . cpp))
|
|
(add-to-list 'purpose-user-mode-purposes '(emacs-lisp-mode . elisp))
|
|
(add-to-list 'purpose-user-mode-purposes '(ebuild-mode . ebuild))
|
|
(add-to-list 'purpose-user-mode-purposes '(adoc-mode . adoc))
|
|
(add-to-list 'purpose-user-mode-purposes '(markdown-mode . md))
|
|
(add-to-list 'purpose-user-mode-purposes '(gfm-mode . md))
|
|
(add-to-list 'purpose-user-mode-purposes '(Man-mode . help-buf))
|
|
(add-to-list 'purpose-user-mode-purposes '(help-mode . help-buf))
|
|
(add-to-list 'purpose-user-mode-purposes '(info-mode . help-buf))
|
|
(add-to-list 'purpose-user-mode-purposes
|
|
'(compilation-mode . compile))
|
|
|
|
(add-to-list 'purpose-special-action-sequences
|
|
'(help-buf purpose-display-reuse-window-buffer))
|
|
(purpose-compile-user-configuration)
|
|
|
|
(require 'window-purpose-x)
|
|
;; Assign all Magit buffers the same purpose.
|
|
(purpose-x-magit-single-on)
|
|
(purpose-x-kill-setup) ; Replace killed buffers with same purpose.
|
|
|
|
(purpose-x-popwin-setup) ; FIXME: Doesn't seem to work.
|
|
(push 'Man-mode purpose-x-popwin-major-modes)
|
|
(purpose-x-popwin-update-conf))
|
|
:bind (("<f2>" . purpose-toggle-window-purpose-dedicated)
|
|
("C-<f2>" . purpose-toggle-window-buffer-dedicated)
|
|
("M-<f2>" . purpose-load-window-layout)))
|
|
|
|
;; Visual feedback on some operations by highlighting region.
|
|
(use-package volatile-highlights
|
|
:diminish volatile-highlights-mode
|
|
:after (doom-themes display-line-numbers)
|
|
:config (progn
|
|
(set-face-background 'vhl/default-face
|
|
(hexrgb-increment-equal-rgb
|
|
(face-background 'default) 2 8)))
|
|
:hook (window-setup . volatile-highlights-mode))
|
|
|
|
(provide 'basics/buffers)
|
|
;;; buffers.el ends here
|