88 lines
4.0 KiB
EmacsLisp
88 lines
4.0 KiB
EmacsLisp
;;; early-init.el --- Early initialization file for Emacs -*- lexical-binding: t; -*-
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;;; Commentary:
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;; Emacs 27.1 introduced early-init.el, which is run before init.el, before
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;; package and UI initialization happens, and before site files are loaded.
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;;; Code:
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;; A big contributor to startup times is garbage collection. We up the gc
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;; threshold to temporarily prevent it from running, then reset it later by
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;; enabling `gcmh-mode'. Not resetting it will cause stuttering/freezes.
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(setq gc-cons-threshold (* 100 1024 1024)) ;; Make startup faster by reducing the frequency of garbage collection. The default is 800 kilobytes. Measured in bytes. Will (and should) be decreased again at the end.
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;; make UTF-8 the default coding system:
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(set-language-environment "UTF-8")
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;; `set-language-enviornment' sets `default-input-method', which is unwanted
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(setq default-input-method nil)
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(defvar config-dir (file-name-directory (file-truename load-file-name)))
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(setq user-emacs-directory "~/.config/emacs/") ;; for cache etc.
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(defconst user-cache-directory
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(file-name-as-directory (concat user-emacs-directory ".cache"))
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"My Emacs storage area for persistent files.")
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;; create the `user-cache-directory' if not exists
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(make-directory user-cache-directory t)
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;; path where settings files are kept
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(add-to-list 'load-path (concat config-dir "settings"))
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;; personal elisp lib dir, for manually installed packages
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(add-to-list 'load-path (concat config-dir "lisp"))
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;; add all directories from config-dir/lisp into load-path
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(let ((default-directory (concat config-dir "lisp")))
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(normal-top-level-add-subdirs-to-load-path))
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;;
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;; FRAME
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;;
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;; (add-to-list 'default-frame-alist '(fullscreen . maximized)) ;; restore saved geometry, see gui-settings.el my-frame-geometry-
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(add-to-list 'default-frame-alist '(tool-bar-position . left))
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;; (add-to-list 'default-frame-alist '(horizontal-scroll-bars . t)) ;; see gui-settings
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;; transparency
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(set-frame-parameter (selected-frame) 'alpha '(95 . 95)) ;; VALUE: '(<active> . <inactive>) / <both>
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(add-to-list 'default-frame-alist '(alpha . (95 . 95)))
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;; Custom functions/hooks for persisting/loading frame geometry upon save/load
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(defvar my-frame-geometry-file (concat user-cache-directory "frame-geometry.el"))
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(defun my-frame-geometry-save ()
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"Gets the current frame's geometry and save it to `my-frame-geometry-file'."
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(let ((frameg-font (frame-parameter (selected-frame) 'font))
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(frameg-left (frame-parameter (selected-frame) 'left))
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(frameg-top (frame-parameter (selected-frame) 'top))
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(frameg-width (frame-parameter (selected-frame) 'width))
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(frameg-height (frame-parameter (selected-frame) 'height))
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(frameg-file my-frame-geometry-file))
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(with-temp-buffer
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;; Turn off backup for this file
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(make-local-variable 'make-backup-files)
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(setq make-backup-files nil)
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(insert
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";;; This file stores the previous emacs frame's geometry.\n"
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";;; Last generated " (current-time-string) ".\n"
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"(setq initial-frame-alist\n"
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;; " '((font . \"" frameg-font "\")\n"
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" '("
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(format " (top . %d)\n" (max frameg-top 0))
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(format " (left . %d)\n" (max frameg-left 0))
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(format " (width . %d)\n" (max frameg-width 0))
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(format " (height . %d)))\n" (max frameg-height 0)))
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(when (file-writable-p frameg-file)
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(write-file frameg-file)))))
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(defun my-frame-geometry-load ()
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"Load `my-frame-geometry-file' which should load the previous frame's geometry."
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(let ((frameg-file my-frame-geometry-file))
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(when (file-readable-p frameg-file)
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(load-file frameg-file))))
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;; Special work to do ONLY when there is a window system being used
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;; (if (display-graphic-p)
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;; (progn
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;; (add-hook 'kill-emacs-hook 'my-frame-geometry-save)))
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(my-frame-geometry-load)
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(add-hook 'window-setup-hook
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(lambda ()
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(if (display-graphic-p)
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(add-hook 'kill-emacs-hook 'my-frame-geometry-save))))
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(provide 'early-init)
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;;; early-init.el ends here
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