165 lines
5.0 KiB
Org Mode
165 lines
5.0 KiB
Org Mode
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#+title: Emacs — Keybinding Managers
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#+setupfile: ../headers
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#+property: header-args:emacs-lisp :mkdirp yes :lexical t :exports code
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#+property: header-args:emacs-lisp+ :tangle ~/.config/emacs/lisp/keybinding-managemers.el
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#+property: header-args:emacs-lisp+ :mkdirp yes :noweb no-export
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* Keybinding Managers
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** Which-key
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Which key is, I think, one of my favorite quality of life package.
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When you begin a keybind, Emacs will show you all keybinds you can
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follow the first one with in order to form a full keychord. Very
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useful when you have a lot of keybinds and don’t remember exactly what
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is what.
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#+begin_src emacs-lisp
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(use-package which-key
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:straight (:build t)
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:defer t
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:init (which-key-mode)
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:diminish which-key-mode
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:config
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(setq which-key-idle-delay 1))
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#+end_src
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** General
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General is an awesome package for managing keybindings. Not only is it
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oriented towards keychords by default (which I love), but it also
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provides some integration with evil so that we can declare keybindings
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for certain states only! This is a perfect replacement for ~define-key~,
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~evil-define-key~, and any other function for defining keychords. And it
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is also possible to declare a prefix for my keybindings! By default,
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all keybinds will be prefixed with ~SPC~ and keybinds related to a
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specific mode (often major modes) will be prefixed by a comma ~,~ (and
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by ~C-SPC~ and ~M-m~ respectively when in ~insert-mode~ or ~emacs-mode~). You
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can still feel some influence from my Spacemacs years here.
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#+begin_src emacs-lisp
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(use-package general
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:straight (:build t)
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:init
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(general-auto-unbind-keys)
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:config
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(general-create-definer phundrak/undefine
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:keymaps 'override
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:states '(normal emacs))
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(general-create-definer phundrak/evil
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:states '(normal))
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(general-create-definer phundrak/leader-key
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:states '(normal insert visual emacs)
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:keymaps 'override
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:prefix "SPC"
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:global-prefix "C-SPC")
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(general-create-definer phundrak/major-leader-key
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:states '(normal insert visual emacs)
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:keymaps 'override
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:prefix ","
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:global-prefix "M-m"))
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#+end_src
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** Evil
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Evil emulates most of vim’s keybinds, because let’s be honest here,
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they are much more comfortable than Emacs’.
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#+begin_src emacs-lisp
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(use-package evil
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:straight (:build t)
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:after (general)
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:init
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(setq evil-want-integration t
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evil-want-keybinding nil
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evil-want-C-u-scroll t
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evil-want-C-i-jump nil)
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(require 'evil-vars)
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:config
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<<evil-undefine-keys>>
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<<evil-bepo>>
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(evil-mode 1)
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(setq evil-want-fine-undo t) ; more granular undo with evil
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(evil-set-initial-state 'messages-buffer-mode 'normal)
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(evil-set-initial-state 'dashboard-mode 'normal))
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#+end_src
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I want to undefine some default keybinds of Evil because it does not
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match my workflow. Namely, I use the space key and the comma as
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leaders for my keybinds, and I’m way too used to Emacs’ ~C-t~, ~C-a~, ~C-e~,
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and ~C-y~.
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#+name: evil-undefine-keys
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#+begin_src emacs-lisp :tangle no
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(evil-global-set-key 'motion "t" 'evil-next-visual-line)
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(evil-global-set-key 'motion "s" 'evil-previous-visual-line)
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(general-define-key
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:keymaps 'evil-motion-state-map
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"SPC" nil
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"," nil)
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(general-define-key
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:keymaps 'evil-insert-state-map
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"C-t" nil)
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(general-define-key
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:keymaps 'evil-insert-state-map
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"U" nil
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"C-a" nil
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"C-y" nil
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"C-e" nil)
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#+end_src
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Something else that really bugs me is I use the bépo layout, which is
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not at all like the qwerty layout. For instance, ~hjkl~ becomes ~ctsr~.
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Thus, I need some bépo-specific changes.
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#+name: evil-bepo
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#+begin_src emacs-lisp :tangle no
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(dolist (key '("c" "C" "t" "T" "s" "S" "r" "R" "h" "H" "j" "J" "k" "K" "l" "L"))
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(general-define-key :states 'normal key nil))
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(general-define-key
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:states 'motion
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"h" 'evil-replace
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"H" 'evil-replace-state
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"j" 'evil-find-char-to
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"J" 'evil-find-char-to-backward
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"k" 'evil-substitute
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"K" 'evil-smart-doc-lookup
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"l" 'evil-change
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"L" 'evil-change-line
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"c" 'evil-backward-char
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"C" 'evil-window-top
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"t" 'evil-next-visual-line
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"T" 'evil-join
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"s" 'evil-previous-visual-line
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"S" 'evil-lookup
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"r" 'evil-forward-char
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"R" 'evil-window-bottom)
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#+end_src
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This package enables and integrates Evil into a lot of different
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modes, such as org-mode, dired, mu4e, etc. Again, I need some
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additional code compared to most people due to the bépo layout.
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#+begin_src emacs-lisp
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(use-package evil-collection
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:after evil
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:straight (:build t)
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:config
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;; bépo conversion
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(defun my/bépo-rotate-evil-collection (_mode mode-keymaps &rest _rest)
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(evil-collection-translate-key 'normal mode-keymaps
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;; bépo ctsr is qwerty hjkl
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"c" "h"
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"t" "j"
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"s" "k"
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"r" "l"
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;; add back ctsr
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"h" "c"
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"j" "t"
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"k" "s"
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"l" "r"))
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(add-hook 'evil-collection-setup-hook #'my/bépo-rotate-evil-collection)
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(evil-collection-init))
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#+end_src
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** Hydra
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[[https://github.com/abo-abo/hydra][Hydra]] is a simple menu creator for keybindings.
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#+begin_src emacs-lisp
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(use-package hydra
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:straight (:build t)
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:defer t)
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#+end_src
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