325 lines
11 KiB
Plaintext

;; * Default emacs config -*-emacs-lisp-*-
;;
;; https://github.com/TLINDEN/emacs-skel
;; * Enable Fontlock-mode (colours) in gui mode
;; see: https://www.emacswiki.org/emacs/CustomizingBoth
(if window-system
(progn
(global-font-lock-mode 1)
(set-background-color "white")
(set-foreground-color "DarkBlue")
))
;; * Display cursor as row in Terminal
(unless (display-graphic-p)
;; else (optional)
(global-hl-line-mode)
(set-face-background hl-line-face "DarkGray")
(set-face-foreground hl-line-face "Black")
)
;; --------------------------------------------------------------------------------
;; * Console backspace fix
(define-key key-translation-map [?\C-h] [?\C-?])
;; * Some sensible defaults
;; no ~ backups
(setq make-backup-files nil)
;; disable Toolbar
(tool-bar-mode -1)
;; disable menubar (default: enabled)
;; (menu-bar-mode -1)
;; disable menubardialog boxes (default: enabled)
;; (setq use-dialog-box nil)
;; disable scrollbars (default: enabled)
;; Scrolleisten abschalten (standard: ein)
;; (scroll-bar-mode 0)
;; Less output during startup
(setq inhibit-startup-message t)
(setq inhibit-startup-screen t)
;; show column number
(column-number-mode t)
;; Set x11 window title
(setq frame-title-format '(buffer-file-name "emacs %f" ("emacs %b")))
;; create valid unix files
(setq require-final-newline t)
;; show matching parens
(show-paren-mode 1)
;; cursor doesn't move when scrolling
(setq scroll-preserve-screen-position t)
;; no comment columns
(setq-default comment-column 0)
;; no auto-save
(setq auto-save-default nil)
;; always display all buffers
(setq buffers-menu-max-size nil)
(setq mouse-buffer-menu-mode-mult 30)
;; don't hide anything
(setq disabled-command-function nil)
;; Mark == Copy
(setq mouse-drag-copy-region t)
;; more Ram
(setq gc-cons-threshold 20000000)
;; --------------------------------------------------------------------------------
;; * Scratch Buffer
;; default content of *scratch* buffer == short help
(setq initial-scratch-message ";;
;; Short help (Keys: C == Control, M == Alt or META):
;; Combination (eg. C-x C-f): keep control pressed, then x, then f
;; Cascade (eg. C-x 3): press control and x, release, then 3
;; Key with mouse (eg. C-mouse1): press control and left mouse button
;; M-x <cmd> execute emacs command | M-w copy marked stuff
;; C-x C-f open a file | C-w delete marked stuff
;; C-x C-S save buffer to file | C-y insert (paste, yank)
;; C-x C-q close buffer | C-g abort current action
;; C-mouse-1 popup buffer list | C-s search forward
;; C-x 2 split window horizontally | again: next match
;; C-x 3 split window vertically | C-r search backwards
;; M-o switch bffers | C-x C-c finish emacs
;; C-x 1 show only one buffer | C-x b switch buffer
;; C-x k close current buffer | C-c i invert colours
;; C-<del> delete left word | C-<entf> delete right word
;; C-<up> jump 1 paragraph up | C-<down> jump 1 paragraph down
;; C-<left> jump 1 word left | C-<right> jump 1 word right
;; C-_ UNDO | C-g C-_ REDO
;; <home> or C-a beginning of line, then window, then buffer
;; <end> or C-e end of line, then window, then buffer
;; M-x query-replace search/replace
;; M-x query-replace-regex dito, with regex (man perlre)
;; M-x <xxx-mode> (xxx: cperl, ruby etc) enable mode
;; Configuration: ~/.emacs, Tutorial: C-h t, https://emacswiki.org/
;; This is the *scratch* buffer for short notices a testing elisp.
")
;; --------------------------------------------------------------------------------
;; * y means yes
(defalias 'yes-or-no-p 'y-or-n-p)
;; --------------------------------------------------------------------------------
;; * TAB/Indent
(setq-default indent-tabs-mode nil)
(setq-default tab-width 4)
(setq indent-line-function 'insert-tab)
(setq tab-stop-list (quote (4 8 12 16 20 24 28 32 36 40 44
48 52 56 60 64 68 72 76 80 84
88 92 96 100 104 108 112 116 120)))
(setq tab-always-indent 'complete)
(add-hook 'makefile-mode-hook '(lambda() (setq indent-tabs-mode t)))
;; --------------------------------------------------------------------------------
;; * Helper
(defun add-something-to-mode-hooks (mode-list something)
"helper function to add a callback to multiple hooks"
(dolist (mode mode-list)
(add-hook (intern (concat (symbol-name mode) "-mode-hook")) something)))
;; * Standard key bindings
;; --------------------------------------------------------------------------------
;; c-h != delete
(keyboard-translate ?\C-h ?\C-?)
(keyboard-translate ?\C-? ?\C-h)
;; general keys (re-)mappings
(global-set-key (kbd "C-s") 'isearch-forward-regexp)
(global-set-key (kbd "C-r") 'isearch-backward-regexp)
(global-set-key (kbd "<backtab>") 'dabbrev-completion) ; shift-TAB: inline completion
(global-set-key (kbd "M-o") 'other-window) ; Buffer wechseln
(global-set-key (kbd "<delete>") 'delete-char)
(global-set-key (kbd "<backspace>") 'backward-delete-char)
(global-set-key (kbd "S-<delete>") 'kill-word) ; Shift+Del delete word
(global-set-key (kbd "S-<backspace>") 'backward-kill-word) ; Shift+Backspace dito
(global-set-key (kbd "C-<delete>") 'kill-word) ; Shift+Del dito
(global-set-key (kbd "C-<backspace>") 'backward-kill-word) ; Shift+Backspace dito
(global-unset-key (kbd "C-z"))
(global-set-key (kbd "C-x k") 'kill-this-buffer) ; close buffers immediately
;; --------------------------------------------------------------------------------
;; * Invert fore- and background
;; remember last inverse
(defvar my-invert-state t)
;; invert everything, reverse it when called again
(defun my-invert()
"invert fg-bg"
(interactive)
(invert-face 'default)
(invert-face 'mode-line)
(set-face-attribute 'fringe nil :inverse-video my-invert-state)
(setq my-invert-state (not my-invert-state)) ;; cycle variable my-invert-state
)
(global-set-key (kbd "C-c i") 'my-invert)
;; --------------------------------------------------------------------------------
;; * Custom binding for HOME and END keys (and CTRL-a und CTRL-e)
;; from viking-mode:
(defun my-last-key-repeats ()
"Returns how many times the last key has been pressed as integer."
(interactive)
(let* ((keys (reverse (append (recent-keys) nil)))
(pressed (car keys))
(times 0))
(progn
(catch 'nomore
(dolist (k keys)
(if (equal pressed k)
(setq times (+ times 1))
(throw 'nomore t))))
times)))
(defun pc-keys-home ()
"Go to beginning of line/window/buffer. First hitting key goes
to beginning of line, second in a row goes to beginning of
window, third in a row goes to beginning of buffer."
(interactive)
(let* (
(key-times (my-last-key-repeats)))
(cond
((eq key-times 3)
(if mark-active
(goto-char (point-min))
(beginning-of-buffer)))
((eq key-times 2)
(if mark-active () (push-mark))
(move-to-window-line 0))
((eq key-times 1)
(beginning-of-line))
)))
(defun pc-keys-end ()
"Go to end of line/window/buffer. First hitting key goes
to end of line, second in a row goes to end of
window, third in a row goes to end of buffer."
(interactive)
(let* (
(key-times (my-last-key-repeats)))
(cond
((eq key-times 3)
(if mark-active
(goto-char (point-max))
(end-of-buffer)))
((eq key-times 2)
(if mark-active () (push-mark))
(move-to-window-line -1)
(end-of-line)
)
((eq key-times 1)
(end-of-line))
)))
(global-set-key (kbd "<home>") 'pc-keys-home)
(global-set-key (kbd "<end>") 'pc-keys-end)
(global-set-key (kbd "C-a") 'pc-keys-home)
(global-set-key (kbd "C-e") 'pc-keys-end)
;; --------------------------------------------------------------------------------
;; * IDO mode - better completion during file open etc
;; Press C-f during IDO in order to get to normal behavior
(ido-mode t)
(ido-everywhere nil)
(setq ido-enable-flex-matching t)
(setq ido-use-filename-at-point nil)
(setq ido-use-virtual-buffers t)
(setq ido-auto-merge-work-directories-length -1)
;; Do not use IDO during save-as (C-x C-w)
(defvar my-ido-disabled nil)
(advice-add 'ido-write-file :before '(lambda (&rest args) (ido-mode 0) (setq my-ido-disabled t)))
(advice-add 'ido-write-file :after '(lambda (&rest args) (ido-mode 1) (setq my-ido-disabled nil)))
(defun my-keyboard-quit-advice (fn &rest args)
(when my-ido-disabled
(ido-mode 1)
(setq my-ido-disabled nil))
(apply fn args))
(advice-add 'abort-recursive-edit :around #'my-keyboard-quit-advice)
;; --------------------------------------------------------------------------------
;; * Highlight TABs
(defface extra-whitespace-face
'((t (:background "pale green")))
"Used for tabs and such.")
(defvar my-extra-keywords
'(("\t" . 'extra-whitespace-face)))
(add-something-to-mode-hooks '(c c++ vala cperl emacs-lisp python shell-script)
(lambda () (font-lock-add-keywords nil my-extra-keywords)))
;; --------------------------------------------------------------------------------
;; * Emacs Autoconfig / Customizegroup Placeholder
;; This is the place where emacs stores configuration options
;; customized interactively with:
;; M-x customize-group <RET> <group> <RET>
(custom-set-faces
;; custom-set-faces was added by Custom.
'(default ((t (:family "DejaVu Sans Mono" :foundry "unknown" :slant normal :weight normal :width normal))))
'(cperl-nonoverridable-face ((((class color) (background light)) (:foreground "Magenta"))))
'(custom-documentation-face ((t (:foreground "Navy"))) t)
'(custom-group-tag-face-1 ((((class color) (background light)) (:underline t :foreground "VioletRed"))) t)
'(font-lock-builtin-face ((t (:foreground "BlueViolet"))))
'(font-lock-comment-face ((t (:foreground "DarkGreen"))))
'(font-lock-constant-face ((t (:foreground "Magenta"))))
'(font-lock-function-name-face ((t (:bold nil :foreground "DarkOrchid"))))
'(font-lock-keyword-face ((t (:foreground "Blue"))))
'(font-lock-string-face ((t (:foreground "Red"))))
'(font-lock-type-face ((t (:foreground "DarkSlateBlue"))))
'(font-lock-variable-name-face ((t (:foreground "Sienna"))))
'(font-lock-warning-face ((t (:bold t :foreground "Red"))))
'(highlight ((t (:background "DodgerBlue2" :foreground "White"))))
'(ido-only-match ((t (:foreground "dark green" :weight bold))))
'(mode-line ((t (:foreground "White" :background "Blue"))))
'(mode-line-inactive ((t (:foreground "White" :background "DimGray"))))
'(outline-1 ((t (:inherit font-lock-function-name-face :underline t :weight bold))))
'(outline-2 ((t (:inherit font-lock-variable-name-face :underline t :weight bold))))
'(outline-3 ((t (:inherit font-lock-keyword-face :underline t :weight bold))))
'(outline-4 ((t (:inherit font-lock-comment-face :underline t))))
'(region ((t (:foreground "Aquamarine" :background "Darkblue"))))
'(secondary-selection ((t (:foreground "Green" :background "darkslateblue")))))
(custom-set-variables
;; custom-set-variables was added by Custom.
)