218 lines
9.0 KiB
EmacsLisp
218 lines
9.0 KiB
EmacsLisp
;;; Evil
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;;; TODO: helm-show-kill-ring behaves like Emacs when pasting whole lines, not like Vim.
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;;; TODO: Make Evil commands react more dynamically with read-only text, like eshell, wdired.
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;;; Add support for I, C, D, S, s, c*, d*, R, r.
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;;; See https://github.com/emacs-evil/evil/issues/852.
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;;; REVIEW: 'cw' fails on the last character of the line when \n does not terminate it.
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;;; See https://github.com/emacs-evil/evil/issues/863.
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;;; Several packages handle relative line numbering:
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;;; - nlinum-relative: Seems slow as of May 2017.
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;;; - linum-relative: integrates well but not with fringe string, must be a function.
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;;; - relative-line-number: linum must be disabled before running this.
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(when (require 'linum-relative nil t)
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;; REVIEW: Current symbol is displayed on all lines when we run `occur', `set-variables',
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;; `helm-occur', etc: https://github.com/coldnew/linum-relative/issues/40.
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(setq linum-relative-current-symbol "")
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(linum-relative-toggle))
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(evil-mode 1)
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(remove-hook 'evil-insert-state-exit-hook 'expand-abbrev)
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;; (setq evil-want-abbrev-expand-on-insert-exit nil)
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(setq undo-tree-mode-lighter "")
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(setq evil-cross-lines t
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evil-move-beyond-eol t ; Especially useful for Edebug.
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evil-move-cursor-back nil
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evil-want-fine-undo t)
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(setq-default evil-symbol-word-search t)
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;;; Commenting.
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;;; M-; comments next line in VISUAL. This is because of a different newline
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;;; definition between Emacs and Vim.
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;;; https://github.com/redguardtoo/evil-nerd-commenter: does not work well with
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;;; motions and text objects, e.g. it cannot comment up without M--.
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;;; `evil-commentary' is the way to go. We don't need an additional minor-mode though.
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(when (require 'evil-commentary nil t)
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(evil-global-set-key 'normal "gc" 'evil-commentary)
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(evil-global-set-key 'normal "gy" 'evil-commentary-yank))
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;;; Term mode should be in emacs state. It confuses 'vi' otherwise.
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;;; Upstream will not change this:
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;;; https://github.com/emacs-evil/evil/issues/854#issuecomment-309085267
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(evil-set-initial-state 'term-mode 'emacs)
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;;; For git commit, web edits and others.
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;;; Since `with-editor-mode' is not a major mode, `evil-set-initial-state' cannot
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;;; be used.
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;;; This requires Eshell, shells and more.
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(when (require 'with-editor nil t)
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(add-hook 'with-editor-mode-hook 'evil-insert-state))
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;;; Go-to-definition.
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;;; From https://emacs.stackexchange.com/questions/608/evil-map-keybindings-the-vim-way.
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(evil-global-set-key
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'normal "gd"
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(lambda () (interactive)
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(evil-execute-in-emacs-state)
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(call-interactively (key-binding (kbd "M-.")))))
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;;; Multiple cursors.
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;;; This shadows evil-magit's "gr", but we can use "?g" for that instead.
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;;; It shadows C-n/p (`evil-paste-pop'), but we use `helm-show-kill-ring' on
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;;; another binding.
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(when (require 'evil-mc nil t)
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;; (global-evil-mc-mode 1)
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(add-hook 'text-mode-hook 'evil-mc-mode)
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(add-hook 'prog-mode-hook 'evil-mc-mode)
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(define-key evil-mc-key-map (kbd "C-<mouse-1>") 'evil-mc-toggle-cursor-on-click)
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(set-face-attribute 'evil-mc-cursor-default-face nil :inherit nil :inverse-video nil :box "white")
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(when (require 'evil-mc-extras nil t)
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(global-evil-mc-extras-mode 1)))
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;;; Change mode-line color by Evil state.
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(setq evil-default-modeline-color (cons (face-background 'mode-line) (or (face-foreground 'mode-line) "black")))
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(defun evil-color-modeline ()
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(let ((color (cond ((minibufferp) evil-default-modeline-color)
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((evil-insert-state-p) '("#006fa0" . "#ffffff")) ; 00bb00
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((evil-emacs-state-p) '("#444488" . "#ffffff"))
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(t evil-default-modeline-color))))
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(set-face-background 'mode-line (car color))
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(set-face-foreground 'mode-line (cdr color))))
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(add-hook 'post-command-hook 'evil-color-modeline)
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(setq evil-mode-line-format nil)
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;;; Add defun text-object. TODO: Does not work for "around".
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;;; https://github.com/emacs-evil/evil/issues/874
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(evil-define-text-object evil-a-defun (count &optional beg end type)
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"Select a defun."
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(evil-select-an-object 'evil-defun beg end type count))
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(evil-define-text-object evil-inner-defun (count &optional beg end type)
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"Select inner defun."
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(evil-select-inner-object 'evil-defun beg end type count))
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(define-key evil-outer-text-objects-map "d" 'evil-a-defun)
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(define-key evil-inner-text-objects-map "d" 'evil-inner-defun)
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;;; Without the hook, the Edebug keys (f, n, i, etc.) would get mixed up on initialization.
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(add-hook 'edebug-mode-hook 'evil-normalize-keymaps)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;; Mode specific bindings.
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;; Note: Config must be done before `require'-ing evil-collection.
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(setq evil-collection-setup-minibuffer t
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evil-collection-term-sync-state-and-mode-p t)
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(when (require 'evil-collection nil t)
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(evil-collection-init))
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(with-eval-after-load 'elfeed
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;; Custom
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(evil-define-key 'motion elfeed-search-mode-map
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(kbd "S-<return>") 'elfeed-visit-maybe-external)
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(evil-define-key 'motion elfeed-show-mode-map
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(kbd "S-<return>") 'elfeed-visit-maybe-external)
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(evil-define-key 'motion elfeed-show-mode-map
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(kbd "q") 'elfeed-kill-entry))
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;; Custom Helm
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(with-eval-after-load 'helm
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(global-set-key (kbd "M-y") 'helm-show-kill-ring)
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(ambrevar/define-keys helm-map
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"C-\\" 'helm-toggle-resplit-and-swap-windows ; Becauste C-t is taken by evil-mc.
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"M-\\" 'helm-toggle-resplit-and-swap-windows)
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(dolist (map (list helm-find-files-map helm-read-file-map))
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(ambrevar/define-keys map
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"M-." 'helm-end-of-buffer
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"M-," 'helm-beginning-of-buffer))
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;; `helm-mark-or-exchange-rect' is not needed with Evil.
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(global-set-key (kbd "C-x C-x") 'helm-all-mark-rings))
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;;; nXML
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;;; TODO: Add to evil-collection?
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(evil-define-key 'normal nxml-mode-map
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(kbd "C-j") 'nxml-forward-element
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(kbd "C-k") 'nxml-backward-element
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(kbd "M-j") 'nxml-forward-element ; Custom
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(kbd "M-k") 'nxml-backward-element ; Custom
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">" 'nxml-down-element
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"<" 'nxml-backward-up-element)
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(evil-define-key 'visual nxml-mode-map
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(kbd "C-j") 'nxml-forward-element
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(kbd "C-k") 'nxml-backward-element
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(kbd "M-j") 'nxml-forward-element ; Custom
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(kbd "M-k") 'nxml-backward-element ; Custom
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">" 'nxml-down-element
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"<" 'nxml-backward-up-element)
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(with-eval-after-load 'mu4e
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(when (require 'evil-mu4e nil t)
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;; TODO: evil-mu4e needs a big overhaul, e.g. 'visual commands are not supported. Report upstream.
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(evil-define-key 'motion mu4e-headers-mode-map
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"i" 'mu4e-headers-mark-for-flag
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"I" 'mu4e-headers-mark-for-unflag
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;; "R" 'mu4e-headers-mark-for-refile
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"p" 'mu4e-headers-toggle-include-related
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"r" 'mu4e-compose-reply)
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(evil-define-key 'visual mu4e-headers-mode-map
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"d" 'mu4e-headers-mark-for-trash
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"D" 'mu4e-headers-mark-for-delete
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"u" 'mu4e-headers-mark-for-unmark)
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(evil-define-key 'motion mu4e-view-mode-map
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(kbd "SPC") 'mu4e-view-scroll-up-or-next
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(kbd "<tab>") 'shr-next-link
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"i" 'mu4e-view-mark-for-flag
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"I" 'mu4e-view-mark-for-unflag
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;; "R" 'mu4e-view-mark-for-refile
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"r" 'mu4e-compose-reply
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"za" 'mu4e-view-save-attachment-multi
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(kbd "C-j") 'mu4e-view-headers-next
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(kbd "C-k") 'mu4e-view-headers-prev
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(kbd "M-j") 'mu4e-view-headers-next ; Custom
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(kbd "M-k") 'mu4e-view-headers-prev ; Custom
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"h" 'evil-backward-char
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"zh" 'mu4e-view-toggle-html
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"gx" 'mu4e-view-go-to-url)
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(evil-set-initial-state 'mu4e-compose-mode 'insert)
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(evil-define-key 'normal mu4e-compose-mode-map
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"gg" 'mu4e-compose-goto-top)))
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(with-eval-after-load 'magit
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(when (require 'evil-magit nil t)
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(evil-magit-define-key evil-magit-state 'magit-mode-map "<" 'magit-section-up)
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;; C-j/k is the default, M-j/k is more consistent with our customization for Helm.
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(evil-magit-define-key evil-magit-state 'magit-mode-map "M-j" 'magit-section-forward)
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(evil-magit-define-key evil-magit-state 'magit-mode-map "M-k" 'magit-section-backward)))
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(require 'evil-ediff nil t)
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(with-eval-after-load 'org
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;; Don't require evil-org before org is loaded.
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;; Elfeed-link is loaded after org.
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(when (require 'evil-org nil t)
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;; org-evil is not as polished as of May 2017.
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;; See https://github.com/Somelauw/evil-org-mode/blob/master/doc/keythemes.org for inspiration.
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(add-hook 'org-mode-hook 'evil-org-mode)
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;; No need for 'insert, 'shift (I use custom definitions), 'todo 'heading.
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(evil-org-set-key-theme '(navigation textobjects additional shift))
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(defun evil-org-meta-return ()
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"Like `org-meta-return' but switch to insert mode."
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(interactive)
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(evil-insert 1)
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(org-meta-return))
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(evil-define-key 'normal evil-org-mode-map
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"^" 'org-up-element ; Evil-Magit-inspired. TODO: Suggest upstream.
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"<" 'org-up-element ; Custom
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">" 'org-down-element ; Custom
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(kbd "M-<return>") 'evil-org-meta-return)
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(with-eval-after-load 'org-agenda
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(require 'evil-org-agenda)
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(evil-org-agenda-set-keys))))
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(with-eval-after-load 'gnus (require 'init-evil-gnus))
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(provide 'init-evil)
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