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* Garbage Collection Improvement
#+BEGIN_SRC emacs-lisp
(defun my-minibuffer-setup-hook ()
(setq gc-cons-threshold most-positive-fixnum))
(defun my-minibuffer-exit-hook ()
(setq gc-cons-threshold 800000000))
(add-hook 'minibuffer-setup-hook #'my-minibuffer-setup-hook)
(add-hook 'minibuffer-exit-hook #'my-minibuffer-exit-hook)
(defun gc-idle-timer ()
"Trigger garbage collection when Emacs is idle for 0.5 seconds."
(run-with-idle-timer 1.2 t 'garbage-collect))
(gc-idle-timer)
#+END_SRC
* Use Package
#+BEGIN_SRC emacs-lisp
(require 'package)
(add-to-list 'package-archives '("gnu" . "https://elpa.gnu.org/packages/"))
(add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/"))
(package-initialize)
(unless (package-installed-p 'use-package)
(package-refresh-contents)
(package-install 'use-package))
(eval-and-compile
(setq use-package-always-ensure t
use-package-expand-minimally t))
(eval-when-compile (require 'use-package))
#+END_SRC
* Basic behaviours
#+BEGIN_SRC emacs-lisp
(use-package no-littering)
(setq make-backup-files nil
create-lockfiles nil
erc-join-buffer 'window
confirm-kill-processes nil)
(setq inhibit-startup-message t
backup-inhibited t)
#+END_SRC
* Basic UI Improvements
#+BEGIN_SRC emacs-lisp
(scroll-bar-mode -1)
(tool-bar-mode -1)
(tooltip-mode -1)
(menu-bar-mode -1)
(setq scroll-up-aggressively nil
scroll-down-aggressively nil
scroll-conservatively 101
display-line-numbers-type t)
(setq scroll-step 1)
(setq scroll-margin 8)
(column-number-mode +1)
(global-display-line-numbers-mode t)
(setq-default fill-column 80)
(electric-pair-mode +1)
(set-frame-parameter (selected-frame) 'alpha '(90 . 90))
(add-to-list 'default-frame-alist '(alpha . (90 . 90)))
(global-set-key (kbd "M-n") 'scroll-up-line)
(global-set-key (kbd "M-p") 'scroll-down-line)
#+END_SRC
* Themeing
#+BEGIN_SRC emacs-lisp
(use-package doom-themes
:config
(setq doom-themes-enable-bold t
doom-themes-enable-italic t)
(load-theme 'doom-dracula t)
(doom-themes-org-config))
(set-face-attribute 'default nil
:font "DejaVu Sans Mono"
:family "Monospace"
:height 97)
(set-face-attribute 'variable-pitch nil
:font "DejaVu Sans"
:height 97)
(set-face-attribute 'fixed-pitch nil
:font "DejaVu Sans Mono"
:family "Monospace"
:height 97)
#+END_SRC
* Completion
#+BEGIN_SRC emacs-lisp
(use-package vertico
:diminish vertico-mode
:bind (:map vertico-map
("C-n" . vertico-next)
("C-p" . vertico-previous))
:init
(vertico-mode t)
;; (vertico-flat-mode 1)
(setq vertico-count 15))
(use-package vertico-directory
:after vertico
:ensure nil
;; More convenient directory navigation commands
:bind (:map vertico-map
("RET" . vertico-directory-enter)
("DEL" . vertico-directory-delete-char)
("M-DEL" . vertico-directory-delete-word))
;; Tidy shadowed file names
:hook (rfn-eshadow-update-overlay . vertico-directory-tidy))
(use-package marginalia
:after vertico
:custom
(marginalia-annotators '(marginalia-annotators-heavy marginalia-annotators-light nil))
:config
(marginalia-mode))
(use-package orderless
:config
(setq completion-styles '(orderless partial-completion basic)
completion-category-defaults nil
completion-category-overrides '((file (styles . (partial-completion))))))
(use-package consult)
#+END_SRC
* Development
** Visual
#+BEGIN_SRC emacs-lisp
(use-package rainbow-delimiters
:hook (prog-mode . rainbow-delimiters-mode))
(use-package ansi-color
:hook (compilation-filter . ansi-color-compilation-filter))
#+END_SRC
** Magit
#+BEGIN_SRC emacs-lisp
(use-package transient)
(use-package magit
:bind (("C-x g" . magit-status))
:custom
(magit-display-buffer-function #'magit-display-buffer-same-window-except-diff-v1))
#+END_SRC
** Extra Modes
#+BEGIN_SRC emacs-lisp
(use-package markdown-mode
:mode ("\\.md\\'" . markdown-mode))
(use-package glsl-mode)
#+END_SRC
** yasnippet
#+BEGIN_SRC emacs-lisp
(use-package yasnippet
:config
(yas-global-mode t))
(use-package yasnippet-snippets)
#+END_SRC
** LSP
#+BEGIN_SRC emacs-lisp
(use-package lsp-mode
:commands (lsp lsp-deferred)
:init
(setq lsp-keymap-prefix "C-c l"
lsp-headerline-breadcrumb-enable nil
lsp-lens-enable nil)
(defun my/lsp-mode-setup-completion ()
(setf (alist-get 'styles (alist-get 'lsp-capf completion-category-defaults))
'(orderless))) ;; Configure orderless
:hook ((lsp-completion-mode . my/lsp-mode-setup-completion)
(c-mode . lsp-deferred)
(c++-mode . lsp-deferred)
(python-mode . lsp-deferred)
(csharp-mode . lsp-deferred))
:custom
(lsp-completion-provider :none) ; corfu
(lsp-idle-delay 0.2)
)
(use-package lsp-ui
:hook (lsp-mode . lsp-ui-mode)
:bind ("C-c r" . lsp-ui-peek-find-references)
#+END_SRC
** Flycheck
#+BEGIN_SRC
(use-package flycheck
:config
(add-hook 'after-init-hook #'global-flycheck-mode))
#+END_SRC
** Corfu
#+BEGIN_SRC emacs-lisp
(use-package corfu
:ensure t
:custom
(corfu-cycle t)
(corfu-auto t)
(corfu-auto-prefix 2)
(corfu-auto-delay 0.1)
(corfu-popupinfo-delay '(0.2 . 0.1))
(corfu-preview-current 'insert)
(corfu-preselect 'first)
(corfu-on-exact-match nil)
:bind (:map corfu-map
("C-g" . corfu-quit))
:init
(global-corfu-mode)
(corfu-history-mode)
(corfu-popupinfo-mode))
(defun corfu-lsp-setup ()
(setq-local completion-styles '(orderless)
completion-category-defaults nil))
(add-hook 'lsp-completion-mode-hook #'corfu-lsp-setup)
#+END_SRC
** C Mode Hook
#+BEGIN_SRC emacs-lisp
(defun my-c-mode-common-hook ()
;; my customizations for all of c-mode, c++-mode, objc-mode, java-mode
(c-set-offset 'substatement-open 0)
;; other customizations can go here
(setq c++-tab-always-indent t)
(setq c-basic-offset 4) ;; Default is 2
(setq c-indent-level 4) ;; Default is 2
(setq tab-stop-list '(4 8 12 16 20 24 28 32 36 40 44 48 52 56 60))
(setq tab-width 4)
(setq indent-tabs-mode t))
(add-hook 'c-mode-common-hook 'my-c-mode-common-hook)
#+END_SRC
** LSP Booster
#+BEGIN_SRC emacs-lisp
(defun lsp-booster--advice-json-parse (old-fn &rest args)
"Try to parse bytecode instead of json."
(or
(when (equal (following-char) ?#)
(let ((bytecode (read (current-buffer))))
(when (byte-code-function-p bytecode)
(funcall bytecode))))
(apply old-fn args)))
(advice-add (if (progn (require 'json)
(fboundp 'json-parse-buffer))
'json-parse-buffer
'json-read)
:around
#'lsp-booster--advice-json-parse)
(defun lsp-booster--advice-final-command (old-fn cmd &optional test?)
"Prepend emacs-lsp-booster command to lsp CMD."
(let ((orig-result (funcall old-fn cmd test?)))
(if (and (not test?) ;; for check lsp-server-present?
(not (file-remote-p default-directory)) ;; see lsp-resolve-final-command, it would add extra shell wrapper
lsp-use-plists
(not (functionp 'json-rpc-connection)) ;; native json-rpc
(executable-find "emacs-lsp-booster"))
(progn
(when-let ((command-from-exec-path (executable-find (car orig-result)))) ;; resolve command from exec-path (in case not found in $PATH)
(setcar orig-result command-from-exec-path))
(message "Using emacs-lsp-booster for %s!" orig-result)
(cons "emacs-lsp-booster" orig-result))
orig-result)))
(advice-add 'lsp-resolve-final-command :around #'lsp-booster--advice-final-command)
#+END_SRC
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