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init.el
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;;; init.el --- Xu Chunyang's Emacs Configuration -*- lexical-binding: t; -*-
;; Copyright (C) 2015-2021, 2024 Xu Chunyang
;; Author: Xu Chunyang
;; URL: https://github.com/xuchunyang/emacs.d
;;; Code:
;;; Startup
;; Custom
(setq custom-file "~/.emacs.d/custom.el")
(setq message-log-max 10000)
;; Emacs should have them, see Bug#33576
(defun version> (v1 v2) (version< v2 v1))
(defun version>= (v1 v2) (version<= v2 v1))
;;; Package Manager
(require 'package)
(setq package-user-dir (concat "~/.emacs.d/elpa-" emacs-version))
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
(package-initialize)
;;; `use-package'
(unless (fboundp 'use-package)
(package-refresh-contents)
(package-install 'use-package))
(use-package use-package
:config
(setq use-package-enable-imenu-support t)
(setq use-package-verbose 'errors)
(setq use-package-expand-minimally t)
(defmacro chunyang-use-package-keywords-add (keyword)
"Add new keyword as placeholder."
`(progn
(add-to-list 'use-package-keywords ,keyword 'append)
(defun ,(intern (format "use-package-normalize/%s" keyword)) (&rest _))
(defun ,(intern (format "use-package-handler/%s" keyword)) (&rest _))))
(chunyang-use-package-keywords-add :about)
(chunyang-use-package-keywords-add :homepage)
(chunyang-use-package-keywords-add :info)
(chunyang-use-package-keywords-add :notes))
(use-package diminish :ensure t)
;;; Extra `load-path'
(add-to-list 'load-path (expand-file-name "lisp" user-emacs-directory))
;;; Require helper libraries
(require 'subr-x)
(require 'seq)
(require 'rx)
(use-package dash
:ensure t
:config
;; Will also make `it', `acc' into variable face everywhere
(dash-enable-font-lock))
;;; Initialization
;; Disable the site default settings. See (info "(emacs) Init File")
(setq inhibit-default-init t)
;; Don't show "For information about GNU Emacs and the GNU system, type C-h
;; C-a." after startup
(setq inhibit-startup-echo-area-message "xcy")
;; Use `fundamental-mode' to reduce startup time
(setq initial-major-mode 'lisp-interaction-mode)
(use-package chunyang-scratch
:preface
(defun chunyang-scratch-save ()
(ignore-errors
(with-current-buffer "*scratch*"
(write-region nil nil "~/.emacs.d/var/scratch"))))
(defun chunyang-scratch-restore ()
(let ((f "~/.emacs.d/var/scratch"))
(when (file-exists-p f)
(with-current-buffer "*scratch*"
(insert-file-contents f)
(set-buffer-modified-p nil)))))
:init
(add-hook 'kill-emacs-hook #'chunyang-scratch-save)
(add-hook 'after-init-hook #'chunyang-scratch-restore)
;; This is not a real package so don't load it
:defer t)
;; Load personal secrets
(load (expand-file-name user-login-name user-emacs-directory) 'no-error)
;; Make ~/.emacs.d clean
(use-package no-littering
:ensure t)
;; See also `bidi-paragraph-direction'; setting that non-nil might
;; speed up redisplay.
(setq bidi-paragraph-direction 'left-to-right)
;; (set-language-environment "English")
;; (setenv "LANG" "en_US.UTF-8")
;;; macOS
(defconst *is-mac* (eq system-type 'darwin))
(defconst *is-mac-port* (boundp 'mac-carbon-version-string))
(use-package ns-win
:if *is-mac*
:no-require t
:defer t
:init
;; Anne Pro 2
(setq mac-command-modifier 'meta
mac-option-modifier 'meta)
;; 自带键盘
(setq mac-command-modifier 'meta
mac-option-modifier 'control)
:preface
(defun chunyang-toggle-keyboard ()
(interactive)
(pcase mac-option-modifier
('meta
(message "anne pro 2 => builtin")
(setq mac-option-modifier 'control))
('control
(message "builtin => anne pro 2")
(setq mac-option-modifier 'meta)))))
(use-package mac-win
:disabled
:if *is-mac-port*
:config
(mac-auto-ascii-mode)
;; This is annoying
;; (key-binding (kbd "<C-tab>"))
;; => mac-next-tab-or-toggle-tab-bar
(unbind-key "<C-tab>"))
;; [[https://emacs-china.org/t/topic/5507][Mac 下给 Emacs 设置 PATH 和 exec-path - Emacs-general - Emacs China]]
;; NOTE: When PATH is changed, run the following command
;; $ sh -c 'printf "%s" "$PATH"' > .path
(when *is-mac*
(condition-case err
(let ((path (with-temp-buffer
(insert-file-contents-literally "~/.path")
(buffer-string))))
(setenv "PATH" path)
(setq exec-path (append (parse-colon-path path) (list exec-directory))))
(error (warn "%s" (error-message-string err)))))
(use-package chunyang-mac
:if *is-mac*
:commands (chunyang-mac-Terminal-send-region
chunyang-mac-Terminal-cd
chunyang-mac-iTerm-send-region
chunyang-mac-iTerm-send-string
chunyang-mac-iTerm-cd
chunyang-mac-Finder-reveal
chunyang-mac-edit-file-tags
chunyang-mac-search-tags
helm-chunyang-mac-tags
chunyang-chrome-refresh
chunyang-chrome-url
chunyang-mac-app-running-p
chunyang-mac-switch-to-app
chunyang-mac-switch-input-source
chunyang-mac-toggle-theme
chunyang-chrome-screenshot
chunyang-chrome-switch-tab))
(use-package chrome-cli
:if *is-mac*
:commands chrome-cli-switch-to-tab)
(use-package iterm2
:if *is-mac*
:commands (iterm2-send-region
iterm2-cd))
(use-package finda
:if *is-mac*
:homepage https://keminglabs.com/finda/
:about Open apps, files, Emacs buffers, Chrome tabs/history etc
:defer 2
:config
(require 'server)
(or (server-running-p) (server-mode)))
(use-package omnifocus
:commands omnifocus-capture)
(use-package helm-osx-app
:about "Launch macOS apps"
:load-path "~/src/helm-osx-app"
:commands helm-osx-app)
(use-package helm-chrome-control
:about "Control Chrome tabs"
:load-path "~/src/helm-chrome-control"
:commands helm-chrome-control)
;;; User Interface
(when (bound-and-true-p tool-bar-mode)
(tool-bar-mode -1))
(when (bound-and-true-p scroll-bar-mode)
(scroll-bar-mode -1))
(unless (memq window-system '(ns mac))
(menu-bar-mode -1))
(setq inhibit-startup-screen t)
(setq ring-bell-function #'ignore)
(fset 'yes-or-no-p #'y-or-n-p)
(setq echo-keystrokes 0.6) ; 默认 1 秒，更快地显示未完成地按键
(defun chunyang-frame-transparency-adjust ()
"Adjust current frame's transparency using <up> and <down>."
(declare (interactive-only "Use `set-frame-parameter' instead."))
(interactive)
;; If `alpha' is not a number in [0, 100], reset to 100
(pcase (frame-parameter nil 'alpha)
((and (pred numberp) n (guard (<= 0 n 100))))
(_ (setf (frame-parameter nil 'alpha) 100)))
(while (pcase (read-key (format "%2d%% Press <up> and <down> to adjust"
(frame-parameter nil 'alpha)))
((or (and 'up (let new-alpha (1+ (frame-parameter nil 'alpha))))
(and 'down (let new-alpha (1- (frame-parameter nil 'alpha)))))
(when (<= 0 new-alpha 100)
(setf (frame-parameter nil 'alpha) new-alpha))
t))))
;; (column-number-mode)
(size-indication-mode)
(defconst chunyang-mode-line-format
'(" %+ "
mode-line-buffer-identification
" "
mode-line-position
" "
mode-line-modes
mode-line-misc-info)
"A simple and clean mode-line.")
;; (substring-no-properties (format-mode-line chunyang-mode-line-format))
;; ;; =>
;; " * init.el 3% of 153k (189,0) (Emacs-Lisp) "
(setq-default mode-line-format chunyang-mode-line-format)
;; To restore
;; (setq-default mode-line-format (eval (car (get 'mode-line-format 'standard-value))))
(defun chunyang-toggle-mode-or-header-line ()
"Toggle between mode and header line for displaying the status line."
(interactive)
(if (default-value 'header-line-format)
(setq-default header-line-format nil
mode-line-format chunyang-mode-line-format)
(setq-default mode-line-format nil
header-line-format chunyang-mode-line-format)))
(use-package spaceline
:disabled
:ensure t
:config
(require 'spaceline-config)
(spaceline-spacemacs-theme))
;; Fonts
(when (memq window-system '(mac ns))
(set-face-attribute 'default nil :font "Source Code Pro-14")
(setq face-font-rescale-alist `(("STkaiti" . ,(/ 16.0 14))))
(set-fontset-font t 'han (font-spec :family "STkaiti"))
(set-fontset-font t 'cjk-misc (font-spec :family "STkaiti")))
;; (when (eq window-system 'x)
;; (set-face-attribute 'default nil :font "Source Code Pro-11"))
(use-package unicode-fonts
:disabled
:ensure t
:config (unicode-fonts-setup))
(defun chunyang-font-size-adjust ()
"Adjust font size."
(interactive)
(cl-flet ((get-size () (font-get (face-attribute 'default :font) :size))
(set-size (size)
(set-face-attribute
'default nil
:font
(format "%s-%d"
(font-get (face-attribute 'default :font) :family)
size))
t))
(while (pcase (read-key
(format
"use <up> and <down> to adjust (current %d), C-g to quit"
(get-size)))
('up (set-size (1+ (get-size))))
('down (set-size (1- (get-size))))
(?0 (set-size 13))))))
;; Theme
(use-package spacemacs-theme
:ensure t
:no-require t ; Silence byte-compiling warnings
:defer t
:init (setq spacemacs-theme-comment-bg nil
spacemacs-theme-org-height nil))
(use-package tomorrow-theme
:ensure color-theme-sanityinc-tomorrow
:defer t
:init
(load-theme 'sanityinc-tomorrow-eighties t))
(use-package tangotango-theme
:ensure t
:no-require t
:defer t)
;; Don't translate quote in `message' and `format-message'
(setq text-quoting-style 'grave)
;; Remove the default italics for C-x 8 RET, see the comment of
;; `mule--ucs-names-annotation'.
(custom-set-faces '(completions-annotations ((t))))
(use-package frame-tabs
:about Show buffer tabs in side window
:ensure t
:defer t
:preface
(defun chunyang-frame-tabs-filter (buffer _frame)
(let ((name (buffer-name buffer)))
(unless (or (eq (aref name 0) ?\s)
(string-match-p "\\`\\*helm" name))
name)))
:config
(setq frame-tabs-filter-function #'chunyang-frame-tabs-filter))
;;; Histroy
(setq history-length 100)
(setq history-delete-duplicates t)
(use-package savehist ; Minibuffer history
:config
(setq savehist-additional-variables '(extended-command-history
Info-history-list
ivy-views))
(savehist-mode))
(use-package recentf ; Recent files
:preface
(defun chunyang-recentf-save-list-for-alfred ()
"Save the recent list as JSON file for Alfred Script Filter.
See URL `https://www.alfredapp.com/help/workflows/inputs/script-filter/json/'."
(require 'json)
(when (and recentf-mode recentf-list)
(write-region
(json-encode-list
`((items
,@(mapcar
(lambda (f)
(let ((abbrev (abbreviate-file-name f))
(onlyname (file-name-nondirectory f)))
`((uid . ,abbrev)
(type . "file")
(title . ,onlyname)
(subtitle . ,abbrev)
(arg . ,abbrev)
(autocomplete . ,onlyname)
(icon . ((type . "fileicon")
(path . ,abbrev))))))
recentf-list))))
nil "~/.recentf-alfred.json" nil 'silent)))
:config
(setq recentf-max-saved-items 512
recentf-exclude '("/\\.git/.*\\'" ; Git contents
"/\\.emacs\\.d/elpa" ; ELPA
"/\\.emacs\\.d/etc/"
"/\\.emacs\\.d/var/"
"-autoloads\\.el\\'"
"\\.elc\\'"
"/TAGS\\'"))
(recentf-mode)
;; (add-hook 'kill-emacs-hook #'chunyang-recentf-save-list-for-alfred 'append)
)
(use-package bookmark
:defer t
:config
;; Save bookmark when Emacs is killed (this is the default)
(setq bookmark-save-flag t))
(use-package saveplace ; Save point position in files
:config (save-place-mode))
(use-package desktop
:disabled
:config (desktop-save-mode))
;;; Minibuffer
(setq enable-recursive-minibuffers t)
(minibuffer-depth-indicate-mode)
;; Give useful pormpt during M-! (`shell-command') etc
(use-package prompt-watcher
:preface
(defun prompt-watcher ()
(let ((prompt-fn
(lambda (prompt)
(let ((inhibit-read-only t)
(props (text-properties-at (point-min))))
(erase-buffer)
(insert prompt)
(set-text-properties (point-min) (point-max) props)))))
(pcase (list this-command (minibuffer-prompt) (and current-prefix-arg t))
('(shell-command-on-region "Shell command on region: " t)
(funcall prompt-fn "Shell command on region and replace: "))
('(shell-command "Shell command: " t)
(funcall prompt-fn "Shell command and insert output: "))
('(eshell-command "Emacs shell command: " t)
(funcall prompt-fn "Emacs shell command and insert output: "))
('(async-shell-command "Async shell command: " t)
(funcall prompt-fn "Async shell command and insert output: "))
(`(pp-eval-expression "Eval: " ,_)
(funcall prompt-fn "Pp Eval: ")))))
(define-minor-mode prompt-watcher-mode
"Watch the minibuffer prompt and customize if asking."
:global t
(if prompt-watcher-mode
(add-hook 'minibuffer-setup-hook #'prompt-watcher)
(remove-hook 'minibuffer-setup-hook #'prompt-watcher)))
:init (prompt-watcher-mode)
;; This is not a real package so don't load it
:defer t)
;; Doesn't work for helm commands
;; (read-string "Year (default 2019): " nil nil "2019")
(use-package minibuf-eldef ; Only show defaults in prompts when applicable
:defer 1.2 ; To save 0.136sec
:init
;; Must be set before minibuf-eldef is loaded
(setq minibuffer-eldef-shorten-default t)
:config
(minibuffer-electric-default-mode))
(use-package chunyang-edit-minibuffer
:bind (:map minibuffer-local-map ("C-c '" . chunyang-edit-minibuffer)))
(use-package which-key
:disabled
:ensure t
:diminish which-key-mode
:config (which-key-mode))
;;; Ivy
;; counsel -> swiper -> ivy
(use-package counsel
:disabled
;; TODO Toggle between normal Emacs completing-read & Ivy
;; :disabled
:ensure t
:diminish ivy-mode
:config
(setq ivy-do-completion-in-region nil)
(setq ivy-count-format "")
(ivy-mode)
(setq ivy-use-virtual-buffers t) ; recentf in `ivy-switch-buffer'
(setq counsel-find-file-at-point t)
;; TODO: Replace global-set-key with bind-key
(global-set-key (kbd "M-i") 'swiper)
(global-set-key (kbd "C-o") 'counsel-imenu)
(global-set-key (kbd "M-I") 'counsel-ag)
(global-set-key (kbd "C-z") 'ivy-resume)
(global-set-key (kbd "M-l") 'ivy-switch-buffer)
(global-set-key (kbd "M-x") 'counsel-M-x)
(global-set-key (kbd "M-y") 'counsel-yank-pop)
(global-set-key (kbd "C-x C-f") 'counsel-find-file)
(global-set-key (kbd "C-h f") 'counsel-describe-function)
(global-set-key (kbd "C-h v") 'counsel-describe-variable)
(global-set-key (kbd "C-c f l") 'counsel-find-library)
(global-set-key (kbd "C-h S") 'counsel-info-lookup-symbol)
(global-set-key (kbd "C-c g") 'counsel-git)
(define-key minibuffer-local-map (kbd "C-r") 'counsel-minibuffer-history))
(use-package prescient
:disabled
:ensure t
:homepage https://github.com/raxod502/prescient.el
:about Simple but effective sorting and filtering
:config (prescient-persist-mode))
(use-package ivy-prescient
:ensure t
:after ivy
:config (ivy-prescient-mode))
(use-package company-prescient
:disabled
:ensure t
:after company
:config (company-prescient-mode))
;;; selectrum
(use-package selectrum
:disabled
:homepage https://github.com/raxod502/selectrum
:load-path "~/src/selectrum"
:config (selectrum-mode))
(use-package selectrum-prescient
:after selectrum
:homepage https://github.com/raxod502/prescient.el
:load-path "~/src/prescient.el"
:config (selectrum-prescient-mode))
;;; Vertico
(use-package vertico
:ensure t
:init
(vertico-mode)
;; Different scroll margin
;; (setq vertico-scroll-margin 0)
;; Show more candidates
;; (setq vertico-count 12)
;; Grow and shrink the Vertico minibuffer
;; (setq vertico-resize t)
;; Optionally enable cycling for `vertico-next' and `vertico-previous'.
;; (setq vertico-cycle t)
)
;; Example configuration for Consult
(use-package consult
:ensure t
;; Replace bindings. Lazily loaded due by `use-package'.
:bind (;; C-c bindings in `mode-specific-map'
;; ("C-c M-x" . consult-mode-command)
;; ("C-c h" . consult-history)
;; ("C-c k" . consult-kmacro)
;; ("C-c m" . consult-man)
;; ("C-c i" . consult-info)
;; ([remap Info-search] . consult-info)
;; C-x bindings in `ctl-x-map'
;; ("C-x M-:" . consult-complex-command) ;; orig. repeat-complex-command
("M-l" . consult-buffer) ;; orig. switch-to-buffer
;; ("C-x 4 b" . consult-buffer-other-window) ;; orig. switch-to-buffer-other-window
;; ("C-x 5 b" . consult-buffer-other-frame) ;; orig. switch-to-buffer-other-frame
;; ("C-x t b" . consult-buffer-other-tab) ;; orig. switch-to-buffer-other-tab
;; ("C-x r b" . consult-bookmark) ;; orig. bookmark-jump
;; ("C-x p b" . consult-project-buffer) ;; orig. project-switch-to-buffer
;; Custom M-# bindings for fast register access
;; ("M-#" . consult-register-load)
;; ("M-'" . consult-register-store) ;; orig. abbrev-prefix-mark (unrelated)
;; ("C-M-#" . consult-register)
;; Other custom bindings
("M-y" . consult-yank-pop) ;; orig. yank-pop
;; M-g bindings in `goto-map'
;; ("M-g e" . consult-compile-error)
;; ("M-g f" . consult-flymake) ;; Alternative: consult-flycheck
;; ("M-g g" . consult-goto-line) ;; orig. goto-line
;; ("M-g M-g" . consult-goto-line) ;; orig. goto-line
;; ("M-g o" . consult-outline) ;; Alternative: consult-org-heading
;; ("M-g m" . consult-mark)
;; ("M-g k" . consult-global-mark)
("C-o" . consult-imenu)
("M-g I" . consult-imenu-multi)
;; M-s bindings in `search-map'
;; ("M-s d" . consult-find) ;; Alternative: consult-fd
;; ("M-s c" . consult-locate)
;; ("M-s g" . consult-grep)
;; ("M-s G" . consult-git-grep)
("M-I" . consult-ripgrep)
("M-i" . consult-line)
;; ("M-s L" . consult-line-multi)
;; ("M-s k" . consult-keep-lines)
;; ("M-s u" . consult-focus-lines)
;; Isearch integration
;; ("M-s e" . consult-isearch-history)
;; :map isearch-mode-map
;; ("M-e" . consult-isearch-history) ;; orig. isearch-edit-string
;; ("M-s e" . consult-isearch-history) ;; orig. isearch-edit-string
;; ("M-s l" . consult-line) ;; needed by consult-line to detect isearch
;; ("M-s L" . consult-line-multi) ;; needed by consult-line to detect isearch
;; Minibuffer history
:map minibuffer-local-map
("M-s" . consult-history) ;; orig. next-matching-history-element
("M-r" . consult-history) ;; orig. previous-matching-history-element
)
;; Enable automatic preview at point in the *Completions* buffer. This is
;; relevant when you use the default completion UI.
:hook (completion-list-mode . consult-preview-at-point-mode)
;; The :init configuration is always executed (Not lazy)
:init
;; Optionally configure the register formatting. This improves the register
;; preview for `consult-register', `consult-register-load',
;; `consult-register-store' and the Emacs built-ins.
(setq register-preview-delay 0.5
register-preview-function #'consult-register-format)
;; Optionally tweak the register preview window.
;; This adds thin lines, sorting and hides the mode line of the window.
(advice-add #'register-preview :override #'consult-register-window)
;; Use Consult to select xref locations with preview
(setq xref-show-xrefs-function #'consult-xref
xref-show-definitions-function #'consult-xref)
;; Configure other variables and modes in the :config section,
;; after lazily loading the package.
:config
;; Optionally configure preview. The default value
;; is 'any, such that any key triggers the preview.
;; (setq consult-preview-key 'any)
;; (setq consult-preview-key "M-.")
;; (setq consult-preview-key '("S-<down>" "S-<up>"))
;; For some commands and buffer sources it is useful to configure the
;; :preview-key on a per-command basis using the `consult-customize' macro.
(consult-customize
consult-theme :preview-key '(:debounce 0.2 any)
consult-ripgrep consult-git-grep consult-grep
consult-bookmark consult-recent-file consult-xref
consult--source-bookmark consult--source-file-register
consult--source-recent-file consult--source-project-recent-file
;; :preview-key "M-."
:preview-key '(:debounce 0.4 any))
;; Optionally configure the narrowing key.
;; Both < and C-+ work reasonably well.
(setq consult-narrow-key "<") ;; "C-+"
;; Optionally make narrowing help available in the minibuffer.
;; You may want to use `embark-prefix-help-command' or which-key instead.
;; (define-key consult-narrow-map (vconcat consult-narrow-key "?") #'consult-narrow-help)
;; By default `consult-project-function' uses `project-root' from project.el.
;; Optionally configure a different project root function.
;;;; 1. project.el (the default)
;; (setq consult-project-function #'consult--default-project--function)
;;;; 2. vc.el (vc-root-dir)
;; (setq consult-project-function (lambda (_) (vc-root-dir)))
;;;; 3. locate-dominating-file
;; (setq consult-project-function (lambda (_) (locate-dominating-file "." ".git")))
;;;; 4. projectile.el (projectile-project-root)
;; (autoload 'projectile-project-root "projectile")
;; (setq consult-project-function (lambda (_) (projectile-project-root)))
;;;; 5. No project support
;; (setq consult-project-function nil)
)
(use-package emacs
:init
(setq read-extended-command-predicate
#'command-completion-default-include-p))
(use-package orderless
:ensure t
:init
;; Configure a custom style dispatcher (see the Consult wiki)
;; (setq orderless-style-dispatchers '(+orderless-consult-dispatch orderless-affix-dispatch)
;; orderless-component-separator #'orderless-escapable-split-on-space)
(setq completion-styles '(orderless basic)
completion-category-defaults nil
completion-category-overrides '((file (styles partial-completion)))))
(use-package corfu
:ensure t
;; Optional customizations
:custom
(corfu-cycle t) ;; Enable cycling for `corfu-next/previous'
(corfu-auto t) ;; Enable auto completion
;; (corfu-separator ?\s) ;; Orderless field separator
;; (corfu-quit-at-boundary nil) ;; Never quit at completion boundary
;; (corfu-quit-no-match nil) ;; Never quit, even if there is no match
;; (corfu-preview-current nil) ;; Disable current candidate preview
;; (corfu-preselect 'prompt) ;; Preselect the prompt
;; (corfu-on-exact-match nil) ;; Configure handling of exact matches
;; (corfu-scroll-margin 5) ;; Use scroll margin
;; Enable Corfu only for certain modes.
;; :hook ((prog-mode . corfu-mode)
;; (shell-mode . corfu-mode)
;; (eshell-mode . corfu-mode))
;; Recommended: Enable Corfu globally. This is recommended since Dabbrev can
;; be used globally (M-/). See also the customization variable
;; `global-corfu-modes' to exclude certain modes.
:init
(global-corfu-mode))
;; A few more useful configurations...
(use-package emacs
:init
;; TAB cycle if there are only few candidates
(setq completion-cycle-threshold 3)
;; Emacs 28: Hide commands in M-x which do not apply to the current mode.
;; Corfu commands are hidden, since they are not supposed to be used via M-x.
;; (setq read-extended-command-predicate
;; #'command-completion-default-include-p)
;; Enable indentation+completion using the TAB key.
;; `completion-at-point' is often bound to M-TAB.
(setq tab-always-indent 'complete))
;;; Helm
;; Emacs 27
;; (setq completion-styles '(flex))
;; (fido-mode)
(use-package helm
:disabled
:ensure t
:defer t
:init
;; Disable Helm's C-x c bindings
(setq helm-command-prefix-key nil)
:preface
(defun chunyang-helm-project-search (directory)
(interactive (list (if current-prefix-arg
default-directory
(or (locate-dominating-file "." ".git")
default-directory))))
(let ((default-directory directory))
(helm-grep-ag (expand-file-name default-directory) nil)))
:bind (("M-l" . helm-mini)
("M-i" . helm-occur)
("M-I" . chunyang-helm-project-search)
("C-o" . helm-imenu)
("M-x" . helm-M-x)
("C-x C-f" . helm-find-files)
("C-x C-d" . helm-browse-project)
("M-y" . helm-show-kill-ring)
("C-z" . helm-resume)
("C-h a" . helm-apropos)
("C-c f l" . helm-locate-library))
:diminish helm-mode
:config
;; https://emacs-china.org/t/helm-mode-eshell-tab/15006
(setq helm-mode-handle-completion-in-region nil)
;; Check `helm-completion-style'
;; (setq completion-styles
;; '(basic
;; partial-completion
;; emacs22
;; helm-flex))
(setq helm-completion-style 'flex)
(helm-mode)
;; Persist recent used of filtered candidates
(helm-adaptive-mode)
(setq helm-window-prefer-horizontal-split 'decide)
(define-minor-mode chunyang-helm-window-hack-mode
"Hack helm window display."
:global t
(let ((action '("\\`\\*helm"
(display-buffer-in-side-window)
(window-height . 0.4))))
(if chunyang-helm-window-hack-mode
(progn
(add-to-list 'display-buffer-alist action)
(setq helm-display-function #'display-buffer))
(setq display-buffer-alist
(delete action display-buffer-alist))
(let ((standard-value (eval (car (get 'helm-display-function 'standard-value)))))
(setq helm-display-function standard-value)))))
;; (chunyang-helm-window-hack-mode)
(setq helm-grep-ag-command
"rg --color=always --smart-case --no-heading --line-number %s %s %s")
(with-eval-after-load 'helm-unicode
(define-advice helm-unicode-insert-char (:override (_candidate) candidates)
(insert
(mapconcat
(lambda (x) (substring x -1))
(helm-marked-candidates)
" ")))))
(use-package helm-ring
:defer t
:config
(defun chunyang-helm-kill-ring-diff (_str)
(let ((marked (helm-marked-candidates)))
(unless (= (length marked) 2)
(user-error "Need exact 2 marked candidates, got %d" (length marked)))
(apply #'chunyang-ediff-strings-wordwise marked )))
(add-to-list 'helm-kill-ring-actions
(cons "Ediff" #'chunyang-helm-kill-ring-diff)
t))
(use-package wgrep-helm
:ensure t
:defer t)
(use-package helm-ls-git
:ensure t
:config
(setq helm-ls-git-default-sources
'(helm-source-ls-git-buffers
helm-source-ls-git))
:defer t)
(use-package helm-fd
:about find files using fd <https://github.com/sharkdp/fd> with helm
:commands helm-fd)
(use-package helm-descbinds
:ensure t
;; XXX how to lazy loading?
:config
(setq helm-descbinds-window-style 'split-window)
(helm-descbinds-mode))
;;; Buffers, Windows and Frames
(use-package uniquify ; Make buffer names unique (turn on by default)
:defer t
:config (setq uniquify-buffer-name-style 'forward))
(use-package autorevert ; Auto-revert buffers of changed files
:diminish auto-revert-mode
:config (global-auto-revert-mode))
(use-package simple
:no-require t
:config
(define-advice goto-line (:before (&rest _) preview-line-number)
"Preview line number when prompting for line number.
Idea from URL `https://www.reddit.com/r/emacs/comments/as83e2/weekly_tipstricketc_thread/egu2sve'."
(interactive
(lambda (spec)
(if (and (boundp 'display-line-numbers) ; `display-line-numbers' was added in Emacs 26.1
(not display-line-numbers))
(unwind-protect
(progn (display-line-numbers-mode)
(advice-eval-interactive-spec spec))
(display-line-numbers-mode -1))
(advice-eval-interactive-spec spec))))))
(use-package chunyang-simple
:preface
;; 我已经用了用了 M-RET，结果 Org/Eww/Gnus 也用
;; 一个处理按键冲突的简单解决方法
(defun chunyang-escape (key)
"Execute KEY as it is in `global-map'."
;; NOTE M-RET not working in `markdown-mode'
;; (interactive "kExecute Key in global-map: ")
(interactive (list (vector (read-key "Execute Key in global-map: "))))
(call-interactively (lookup-key (current-global-map) key))
(message nil))
(defun chunyang-dispatch-key (key)
(interactive "kDispatch Key: ")
(require 'seq)
(let* ((commands (seq-filter #'commandp
(mapcar (lambda (map) (lookup-key map key))
(current-active-maps))))
(collection (mapcar #'symbol-name commands))
(command (intern (completing-read
(concat (key-description key) " ")
collection nil t nil nil (cadr collection)))))
(command-execute command)))
:bind (("C-x 3" . chunyang-split-window-right)
("C-x 2" . chunyang-split-window-below)
("C-h t" . chunyang-switch-scratch)
;; C-\ runs `toggle-input-method' by default
;; ("C-\\" . chunyang-dispatch-key)
:map lisp-interaction-mode-map
("C-c C-l" . chunyang-scratch-clear)
:map messages-buffer-mode-map
("C-c C-l" . chunyang-clear-messages-buffer))
:commands (chunyang-window-click-swap
chunyang-cycle-filename-format
chunyang-display-number-as-char
chunyang-delete-region
chunyang-center-current-line
chunyang-count-top-level-expression))
(use-package chunyang-misc
:commands (chunyang-open-another-emacs
chunyang-starify-region
chunyang-timer
chunyang-random-word
chunyang-format-as-binary
;; Clipboard
chunyang-insert-image-from-clipboard
;; QR Code
chunyang-scan-qr-code-from-screen
chunyang-qrdecode
chunyang-qrencode
;; 迅雷
chunyang-decode-thunder-link
chunyang-encode-thunder-link
;; https://www.quotes.net
chunyang-random-quote
;; HTML -> Markdown
chunyang-yank-html
;; Eval
chunyang-eval-in-other-emacs
chunyang-fake-module-reload
;; Insert datetime
chunyang-helm-time
chunyang-indent-align-cycle
;; Randome project name
chunyang-glitch-name
;; Emacs -Q with straight.el
chunyang-straight-emacs-Q-command
chunyang-straight-git-version))
(use-package chunyang-buffers
:commands chunyang-kill-buffer-query-function
:init (add-hook 'kill-buffer-query-functions #'chunyang-kill-buffer-query-function)
:preface
(defun chunyang-kill-all-buffers (&optional except-current-buffer)
"Kill all buffers.
With prefix argument, don't kill the current buffer."
(interactive "P")
(let ((buffers-to-kill
(seq-filter
(lambda (buffer)
(let ((name (buffer-name buffer)))
;; Ignore uninteresting buffers
(and (not (string-prefix-p " " name))
(not (member name '("*scratch*" "*Messages*")))
(not (and except-current-buffer (eq buffer (current-buffer)))))))
(buffer-list))))
(mapc #'kill-buffer buffers-to-kill)
(delete-other-windows)))
(defun chunyang-kill-dir-buffers (dir)
"Kill all buffers whose `default-directory' is under DIR."
(interactive (list default-directory))
(setq dir (expand-file-name dir))
(let ((count 0))
(dolist (buffer (buffer-list))
(with-current-buffer buffer
(and (string-prefix-p dir (expand-file-name default-directory))
(kill-buffer buffer)
(cl-incf count))))
(message "Killed %d buffer%s in %s"
count
(if (> count 1) "s" "")
(abbreviate-file-name dir))))
(defun chunyang-kill-invisible-buffers ()