316 lines
9.4 KiB
EmacsLisp
316 lines
9.4 KiB
EmacsLisp
;;; common.el --- Common settings for text files. -*- lexical-binding: t; -*-
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;; Time-stamp: <2020-03-15T23:37:37+0100>
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;;; Commentary:
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;;; Code:
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(require 'basics/global-variables)
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(use-package emacs
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:custom
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(require-final-newline t) ; Always add newline at end of file.
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(fill-column 80) ; Documents are 80 chars wide by default.
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(word-wrap t) ; Wrap at word for continuation lines.
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:bind
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("C-r" . jump-to-register) ; Move point to location in register.
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("C-S-r" . point-to-register) ; Store location of point in register.
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("M-W" . copy-to-register) ; Store text in register.
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("C-S-y" . insert-register) ; Insert text from register.
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("M-<f7>" . list-registers) ; List all registers.
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:hook
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(text-mode . auto-fill-mode) ; Enable word-wrapping at fill-column.
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)
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;; Quickly jump to next/previous register.
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(use-package register-quicknav
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:straight (register-quicknav
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:type git
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:repo "https://schlomp.space/tastytea/register-quicknav.git"
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:branch "main")
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;; ^^^^^^^ See <https://github.com/raxod502/straight.el/issues/279>.
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:custom (register-quicknav-buffer-only t)
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:bind (("C-<f5>" . register-quicknav-prev-register)
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("C-<f6>" . register-quicknav-next-register)
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("C-<f7>" . register-quicknav-point-to-unused-register)
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("C-S-<f7>" . register-quicknav-clear-current-register))
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)
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;; Save cursor position.
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(use-package saveplace
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:config
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(save-place-mode t)
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)
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;; Ruler with fill-column marker.
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(use-package ruler-mode
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:config
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(defun my/ruler-on ()
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"Turn `ruler-mode' on."
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(ruler-mode 1)
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;; Show a fill-column indicator vertically across the buffer.
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(when (>= emacs-major-version 27)
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(display-fill-column-indicator-mode))
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)
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:custom-face
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(ruler-mode-default ((t
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(:inherit default
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:background "gray18"
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:foreground "dim gray"
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:box nil))))
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(ruler-mode-column-number ((t
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(:inherit ruler-mode-default
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:foreground "dark gray"))))
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:hook
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(find-file . my/ruler-on)
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(text-mode . my/ruler-on) ; For the scratch buffer.
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)
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;; Spell checking.
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(unless slow-computer
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(use-package flyspell
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:if (or (executable-find "aspell")
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(executable-find "hunspell")
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(executable-find "ispell"))
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:diminish flyspell-mode
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:custom
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(flyspell-default-dictionary "english")
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:config
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(defun my/toggle-flyspell ()
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"Toggle flyspell-mode and run flyspell-buffer after activating."
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(interactive)
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(if (bound-and-true-p flyspell-mode)
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(flyspell-mode 0)
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(flyspell-mode)
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(flyspell-buffer)))
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(defun my/flyspell-german ()
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"Set dictionary to german."
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(interactive)
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(ispell-change-dictionary "german"))
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;; Allow setting the language in file/dir local variables.
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(put 'ispell-dictionary 'safe-local-variable #'stringp)
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:bind
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("<f9>" . my/toggle-flyspell)
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(:map flyspell-mode-map
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("C-;" . nil)) ; iedit needs C-;.
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:hook
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;; Spellcheck comments.
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(prog-mode . flyspell-prog-mode)
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;; Spellcheck text documents.
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(text-mode . flyspell-mode)
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(LaTeX-mode . my/flyspell-german)
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(LaTeX-mode . flyspell-mode)
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(adoc-mode . flyspell-mode)
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(markdown-mode . flyspell-mode)
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(git-commit-mode . flyspell-mode)
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:mode
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("COMMIT_EDITMSG\\'" . flyspell-mode)
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)
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) ; unless slow-computer.
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;; The string Time-stamp: <> in the first 8 lines of the file will be updated
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;; with the current timestamp.
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(use-package time-stamp
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:config
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(if (>= emacs-major-version 27)
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(setq time-stamp-format "%Y-%02m-%02dT%02H:%02M:%02S%5z")
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(progn
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(setq time-stamp-format "%Y-%02m-%02dT%02H:%02M:%02S+00:00")
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(setq time-stamp-time-zone t))) ; Set to UTC since ISO 8601 is not supported.
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:hook
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(before-save . time-stamp)
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)
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;; A template system.
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(use-package yasnippet
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:after (company)
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:defines (company-candidates)
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:functions (yas-reload-all yas-expand-snippet)
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:diminish yas-minor-mode
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:config
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(defun my/tab-yas-or-company ()
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"Complete with company if possible, jump to next field otherwise."
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(interactive)
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(if company-candidates
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(company-complete-selection)
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(yas-next-field)))
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(yas-reload-all)
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:bind
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(:map yas-keymap
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("<tab>" . my/tab-yas-or-company)
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("TAB" . my/tab-yas-or-company)
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)
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:hook
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(prog-mode . yas-minor-mode)
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)
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;; Install snippet-collection but don't use it.
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(use-package yasnippet-snippets
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:after (yasnippet)
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:config
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(delete 'yasnippet-snippets-dir yas-snippet-dirs) ; Don't add snippets.
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)
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;; Automatically insert text in new files.
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(use-package autoinsert
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:after (yasnippet)
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:init
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(defun my/autoinsert-yas-expand ()
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"Replace text in yasnippet template."
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(yas-minor-mode t)
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(yas-expand-snippet (buffer-string) (point-min) (point-max)))
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:custom
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(auto-insert-directory (concat user-emacs-directory "auto-insert"))
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(auto-insert-query nil) ; Don't ask before inserting.
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:config
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(add-to-list 'auto-insert-alist
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'(("\\.\\(cpp\\|cc\\|cxx\\|c\\+\\+\\)$" . "C++ program") .
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["cpp" my/autoinsert-yas-expand]))
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(add-to-list 'auto-insert-alist
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'(("\\.\\(hpp\\|hh\\|hxx\\|h\\+\\+\\)$" . "C++ header") .
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["hpp" my/autoinsert-yas-expand]))
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(add-to-list 'auto-insert-alist
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'(("\\.[1-9]\\.adoc$" . "AsciiDoc manpage") .
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["manpage.adoc" my/autoinsert-yas-expand]))
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(add-to-list 'auto-insert-alist
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'(("\\.user.js$" . "Userscript") .
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["user.js" my/autoinsert-yas-expand]))
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:hook
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(find-file . auto-insert)
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)
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;; Better search.
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(use-package swiper
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:after (ivy)
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:functions (swiper)
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:bind
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("C-s" . 'swiper)
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)
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;; Visualize and transform whitespace.
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(use-package whitespace
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:after (company)
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:functions (my/whitespace-mode-enabled-p my/on-off-whitespace-before-company)
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:diminish whitespace-mode
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:custom
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(whitespace-line-column nil) ; Set to fill-column.
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:config
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(delete 'newline-mark whitespace-style) ; Don't paint $ at eol.
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(delete 'lines whitespace-style) ; Don't mark whole overly long lines.
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(when (< emacs-major-version 27) ; Mark end of overly long lines.
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(add-to-list 'whitespace-style 'lines-tail))
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;; Workaround to not show dots in popup menus.
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(defun my/whitespace-mode-enabled-p ()
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(symbol-value 'whitespace-mode))
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(defvar-local my/ws-enabled nil)
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;; company:
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(defun my/on-off-whitespace-before-company(command)
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(when (string= "show" command)
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(setq-local my/ws-enabled (my/whitespace-mode-enabled-p))
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(if my/ws-enabled
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(whitespace-mode -1)))
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(when (string= "hide" command)
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(if my/ws-enabled
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(whitespace-mode t))))
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(advice-add 'company-call-frontends
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:before #'my/on-off-whitespace-before-company)
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(defun my/whitespace-mode-off ()
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(setq-local my/ws-enabled (my/whitespace-mode-enabled-p))
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(if my/ws-enabled
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(whitespace-mode -1)))
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(defun my/whitespace-mode-on ()
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(if my/ws-enabled
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(whitespace-mode t)))
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;; popup:
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(defadvice popup-create (before my/popup-suppress-whitespace-mode activate)
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"Suspend whitespace-mode while popups are visible."
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(my/whitespace-mode-off))
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(defadvice popup-delete (after my/popup-restore-whitespace-mode activate)
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"Restore whitespace-mode when all popups have closed."
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(my/whitespace-mode-on))
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(if (display-graphic-p)
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(custom-set-faces
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'(whitespace-line ((t (:inherit whitespace-line
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:weight normal
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:foreground nil
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:background nil
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:box (:line-width 1 :color "dark red")
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;; :underline (:color "dark red")
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)))))
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(custom-set-faces ; else
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'(whitespace-line ((t (:inherit whitespace-line
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:background nil
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:underline t
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)))))
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)
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;; Workaround for <https://debbugs.gnu.org/cgi/bugreport.cgi?bug=36837>, fixed
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;; in 28.1.
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(defun my/ws-load-local-vars-first ()
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"Loads local variables (fill-column) before enabling whitespace-mode."
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(when (< emacs-major-version 27) ; We don't use 'lines-tail in Emacs >= 27.
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(hack-local-variables))
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(whitespace-mode)
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)
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(defvar my/no-ws-cleanup nil
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"Do not cleanup whitespace if t.")
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(make-variable-buffer-local 'my/no-ws-cleanup)
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(put 'my/no-ws-cleanup 'safe-local-variable #'booleanp) ; Mark as safe.
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(defun my/ws-maybe-cleanup ()
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"Run `whitespace-cleanup' if `my/no-ws-cleanup' is not t."
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(unless my/no-ws-cleanup
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(whitespace-cleanup))
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)
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:bind
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("C-x w" . whitespace-mode)
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:hook
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(prog-mode . my/ws-load-local-vars-first)
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(conf-mode . my/ws-load-local-vars-first)
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(text-mode . my/ws-load-local-vars-first)
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(before-save . my/ws-maybe-cleanup)
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:custom-face
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(whitespace-space ((nil :foreground "gray18")))
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)
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(use-package ripgrep)
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(provide 'text/common)
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;;; common.el ends here
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