108 lines
3.1 KiB
EmacsLisp
108 lines
3.1 KiB
EmacsLisp
;;; input.el --- Configure behaviour of input devices. -*- lexical-binding: t; -*-
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;; Time-stamp: <2020-01-28T10:24:44+0100>
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;;; Commentary:
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;; * Setup mouse & keyboard behaviour.
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;; * Setup basic keybindings.
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;;; Code:
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(use-package emacs
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:ensure nil
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:custom
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(mouse-wheel-scroll-amount '(1 ((shift) . 1))) ; Scroll 1 line at a time.
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;; Paste text where the cursor is, not where the mouse is.
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(mouse-yank-at-point t)
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;; Reduce scroll lag significantly. <https://emacs.stackexchange.com/a/28746>
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(auto-window-vscroll nil)
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:config
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(delete-selection-mode t) ; Delete selection when you start to write.
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;; kill-region (cut) and kill-ring-save (copy) act on the current line if no
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;; text is visually selected.
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;; <https://www.emacswiki.org/emacs/WholeLineOrRegion>
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(put 'kill-ring-save 'interactive-form
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'(interactive
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(if (use-region-p)
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(list (region-beginning) (region-end))
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(list (line-beginning-position) (line-beginning-position 2)))))
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(put 'kill-region 'interactive-form
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'(interactive
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(if (use-region-p)
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(list (region-beginning) (region-end))
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(list (line-beginning-position) (line-beginning-position 2)))))
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)
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(use-package bind-key
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:functions (my/delete-word my/backward-delete-word)
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:config
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(defun my/delete-word (arg)
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"Delete characters forward until encountering the end of a word.
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With argument, do this that many times."
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(interactive "p")
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(if (use-region-p)
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(delete-region (region-beginning) (region-end))
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(delete-region (point) (progn (forward-word arg) (point)))))
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(defun my/backward-delete-word (arg)
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"Delete characters backward until encountering the end of a word.
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With argument, do this that many times."
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(interactive "p")
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(my/delete-word (- arg)))
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(bind-keys
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;; Reduce whitespace around cursor to 0 or 1, according to context.
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("C-S-<delete>" . fixup-whitespace)
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;; Scroll without moving the cursor.
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("M-<down>" . scroll-up-line)
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("M-<up>" . scroll-down-line)
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;; Delete words without storing them in the kill buffer.
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("C-<delete>" . my/delete-word)
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("C-<backspace>" . my/backward-delete-word)
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("C-q" . delete-frame)
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;; Insert next character with control characters. Like C-V in the shell.
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("C-S-v" . quoted-insert)
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)
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)
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; Multiple cursors.
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(use-package multiple-cursors
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:init
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(global-unset-key (kbd "M-<down-mouse-1>"))
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:bind
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("C-x M-m" . mc/edit-lines)
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("M-<mouse-1>" . mc/add-cursor-on-click)
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)
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;; Edit multiple regions in the same way simultaneously.
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(use-package iedit
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:bind
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("C-;" . iedit-mode)
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)
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;; Display available keybindings.
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(use-package which-key
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:config
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(which-key-mode)
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)
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;; Navigate between windows with alt+arrows.
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(use-package windmove
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:config
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(windmove-default-keybindings '(meta shift))
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:bind ; Needed for Emacs-over-SSH. 🤷
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([(meta shift left)] . windmove-left)
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([(meta shift right)] . windmove-right)
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([(meta shift up)] . windmove-up)
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([(meta shift down)] . windmove-down)
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)
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(provide 'basics/input)
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;;; input.el ends here
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