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init.el
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377
init.el
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;;================================================================================
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;;
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;; Jessie Hildebrandt's
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;; Run-Anywhere Emacs Config
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;;
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;;================================================================================
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;;========================================
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;;
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;; EMACS CONFIGURATION
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;;
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;;========================================
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;;====================
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;; Custom Keybinds
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;;====================
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;; Custom Bindings:
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;; [ F7 ] -> Toggle linum-mode
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;; [ C-x C-b ] -> (Overwritten) Invoke ibuffer
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;; [ C-x RET ] -> Open eshell in the current buffer
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;; Default but Useful:
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;; [ M-g M-g || M-g g ] -> Go to line number
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;; [ M-. ] -> Go to definition
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;; [ C-/ ] -> Alt. undo binding
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;; Bind a key to show line numbers.
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(global-set-key [f7] 'linum-mode)
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;; Replace the list-buffers keybind to invoke ibuffer.
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(global-set-key (kbd "C-x C-b") 'ibuffer)
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;; Bind a key to open up eshell.
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(global-set-key (kbd "C-x RET") 'eshell)
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;;====================
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;; Variables/Basic Config.
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;;====================
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;; Basic variable configuration.
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(setq
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frame-title-format '("Emacs@" system-name " - %b") ; Window title formatting
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indicate-empty-lines t ; Highlight empty lines
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inhibit-startup-screen t ; Don't show startup screen
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inhibit-splash-screen t ; Don't show splash screen
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x-gtk-use-system-tooltips nil ; Don't use system tooltips
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desktop-restore-frames nil ;
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custom-file "custom.el" ; Use separate custom-vars file
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)
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;; Set backup behavior.
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(setq
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backup-directory-alist '(("." . "~/.emacs.d/backup")) ; Set backup file directory
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backup-by-copying t ; Don't delink hardlinks
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version-control t ; Use version numbers on backups
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delete-old-versions t ; Do not keep old backups
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kept-new-versions 20 ; Keep 20 new versions
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kept-old-versions 5 ; Keep 5 old versions
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)
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;; Enable uniquify for better unique buffer names.
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(require 'uniquify)
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(setq
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uniquify-buffer-name-style 'forward ; Show directory name before buffer name
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uniquify-separator "/" ; Use a forward slash separator
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uniquify-after-kill-buffer-p t ; Update buffer names after killing
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uniquify-ignore-buffers-re "^\\*" ; Ignore special buffers
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)
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;; Set up face styling for the default and mode-line faces.
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(set-face-attribute 'default nil
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:family "Terminus (TTF)"
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:height 90)
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(set-face-attribute 'mode-line nil
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:foreground "black"
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:background "gray76"
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:box '(:line-width -1 :color "azure4"))
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;; Set the default styling rules to use.
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(setq-default tab-width 4
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c-basic-offset 4
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c-default-style "linux")
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;; Add a hook to trailing whitespaces before saving a file.
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(add-hook 'before-save-hook 'delete-trailing-whitespace)
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;;====================
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;; Misc. Mode Config
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;;====================
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;; Disable Modes
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(mapc (lambda (mode) (funcall mode -1))
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'(
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tool-bar-mode ; Displays graphical tool bar.
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))
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;; Enable Modes
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(mapc (lambda (mode) (funcall mode 1))
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'(
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global-subword-mode ; Treats camel-case names as multiple words
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global-visual-line-mode ; Enables whole-word line wrapping
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ido-mode ; Better directory and buffer completion
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column-number-mode ; Show column number in the mode line
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show-paren-mode ; Highlight matching parenthesis
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size-indication-mode ; Show buffer size in the mode line
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))
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;; Mode Configuration
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(setq
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show-paren-delay 0.0 ; (show-paren-mode) - Parenthesis highlighting delay
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visual-line-fringe-indicators t ; (visual-line-mode) - Shows fringe indicators for wrapping
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)
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;;====================
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;; Package Manager
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;;====================
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;; Require the package manager.
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(require 'package)
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(setq package-enable-at-startup nil)
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(setq package-check-signature nil)
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;; Enable the MELPA repository.
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(add-to-list 'package-archives
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'("melpa" . "https://melpa.org/packages/") t)
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;; Initialize the package manager.
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(package-initialize)
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;; Check for use-package. Install it if not already present.
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(unless (package-installed-p 'use-package)
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(package-refresh-contents)
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(package-install 'use-package))
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;; Require use-package.
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(eval-when-compile
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(require 'use-package))
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;;====================
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;; Garbage Collector
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;;====================
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;; Increase the garbage collection threshold to 100MB for a faster startup time.
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(setq-default gc-cons-threshold 100000000)
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;; Restore it to 20MB after 5 seconds.
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(run-with-idle-timer
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5 nil
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(lambda ()
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(setq gc-cons-threshold 20000000)))
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;;========================================
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;;
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;; EXTERNAL PACKAGE CONFIGURATION
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;;
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;;========================================
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;;====================
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;; Language Modes
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;;====================
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;; Currently Supported:
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;; Lua, PHP, Rust, Fish, OCaml
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;; Load Lua Mode
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;; (Associated files: .lua)
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(use-package lua-mode
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:ensure t
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:mode
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("\\.lua\\'" . lua-mode))
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;; Load PHP Mode
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;; (Associated files: .php (HTML-Mode), .inc)
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(use-package php-mode
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:ensure t
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:mode
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(("\\.php\\'" . html-mode)
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("\\.inc\\'" . php-mode)))
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;; Load Rust Mode
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;; (Associated files: .rs)
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(use-package rust-mode
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:ensure t
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:mode
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("\\.rs\\'" . rust-mode)
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:config
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(set-face-attribute 'rust-string-interpolation-face nil
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:slant 'normal
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:foreground "red2"))
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;; Load Fish Mode
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;; (Associated files: .fish)
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(use-package fish-mode
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:ensure t
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:mode
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("\\.fish\\'" . fish-mode))
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;; Load Tuareg (OCaml Mode)
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(use-package tuareg
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:ensure t
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:mode
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("\\.ml\\'" . tuareg-mode))
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;;====================
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;; Auto-Package-Update
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;;====================
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;; Interactive Functions:
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;; (update-packages) -> Automatically update all packages
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;; Load Auto-Package-Update
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(use-package auto-package-update
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:ensure t
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:config
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(defun update-packages ()
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"Automatically update all installed packages."
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(interactive)
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(message "Updating packages...")
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(auto-package-update-now)))
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;;====================
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;; Exec-Path-From-Shell (PATH Setting)
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;;====================
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;; Bindings:
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;; None
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;; Load Exec-Path-From-Shell
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(use-package exec-path-from-shell
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:ensure t
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:config
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(progn
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(setq exec-path-from-shell-arguments '("-l"))
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(add-to-list 'exec-path-from-shell-variables '"RUST_SRC_PATH")
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(exec-path-from-shell-initialize)))
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;;====================
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;; Racer (Rust Completion)
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;; ===================
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;; Bindings:
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;; None
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;; Load Racer
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(use-package racer
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:ensure t
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:config
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(progn
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(setq racer-rust-src-path nil)
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(add-hook 'rust-mode-hook #'racer-mode)))
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;;====================
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;; FlyCheck (Syntax Checker)
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;;====================
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;; Bindings
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;; [ C-c e ] -> Open error list window
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;; Load FlyCheck
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(use-package flycheck
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:ensure t
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:init (global-flycheck-mode)
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:config (add-hook 'c++-mode-hook (lambda () (setq flycheck-clang-language-standard "c++11")))
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:bind
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("C-c e" . flycheck-list-errors))
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;; [Rust]
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;; Load FlyCheck-Rust
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(use-package flycheck-rust
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:ensure t
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:config (add-hook 'flycheck-mode-hook #'flycheck-rust-setup))
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;;====================
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;; Company (Autocompletion)
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;;====================
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;; Bindings:
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;; None
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;; Load Company
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(use-package company
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:ensure t
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:init (global-company-mode)
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:config (setq company-idle-delay 0.2))
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;; [Lua]
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;; Load Company-Lua
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(use-package company-lua
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:ensure t
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:config (add-hook 'lua-mode-hook #'my-lua-mode-company-init))
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;; [Rust]
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;; Load Company-Racer
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(use-package company-racer
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:ensure t)
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;;====================
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;; Smex (M-x Autocompletion)
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;;====================
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;; Bindings:
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;; [ M-x ] (Overwritten) -> Open Smex
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;; Load Smex
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(use-package smex
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:ensure t
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:config (smex-initialize)
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:bind
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("M-x" . smex))
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;;====================
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;; Treemacs (File Browser)
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;;====================
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;; Bindings:
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;; [ F8 ] -> Toggle Treemacs window
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;; [ C-c t ] -> Switch to Treemacs window
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;; Load Treemacs
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(use-package treemacs
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:ensure t
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:config
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(progn
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(setq
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treemacs-is-never-other-window t
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treemacs-git-integration t
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treemacs-show-hidden-files nil
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)
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(treemacs-follow-mode t))
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:bind
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(([f8] . treemacs-toggle)
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("C-c t" . treemacs-select-window)))
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;;====================
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;; Resize-Window (Resizing)
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;;====================
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;; Bindings:
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;; [ C-c w ] -> Toggle window sizing mode
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;; Load Resize-Window
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(use-package resize-window
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:ensure t
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:bind
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("C-c w" . resize-window))
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;;====================
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;; Multiple-Cursors
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;;====================
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;; Bindings:
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;; [ C-> ] -> Mark next like this
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;; [ C-< ] -> Mark previos like this
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;; [ C-c C-> || C-c C-< ] -> Mark all like this
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;; Load Multiple-Cursors
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(use-package multiple-cursors
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:ensure t
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:bind
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(("C->" . mc/mark-next-like-this)
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("C-<" . mc/mark-previous-like-this)
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("C-c C->" . mc/mark-all-like-this)
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("C-c C-<" . mc/mark-all-like-this)))
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;;====================
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;; Magit (Git Interface)
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;;====================
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;; Bindings:
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;; [ C-c g ] -> Open Magit window
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;; Load Magit
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(use-package magit
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:ensure t
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:bind ("C-c g" . magit-status))
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