init.el: Commit an initial emacs config
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
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init.el
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337
init.el
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;;; Package configs
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(require 'package)
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(setq package-enable-at-startup nil)
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(setq package-archives
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'(("org" . "http://orgmode.org/elpa/")
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("gnu" . "http://elpa.gnu.org/packages/")
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("melpa" . "https://melpa.org/packages/")))
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(package-initialize)
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;; Bootstrap `use-package`
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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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;; Some term enhancement
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(defadvice term-sentinel (around my-advice-term-sentinel (proc msg))
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(if (memq (process-status proc) '(signal exit))
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(let ((buffer (process-buffer proc)))
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ad-do-it
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(kill-buffer buffer))
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ad-do-it))
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(ad-activate 'term-sentinel)
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(defadvice ansi-term (before force-bash)
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(interactive (list "/usr/bin/fish")))
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(ad-activate 'ansi-term)
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;; Other configs
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(setq make-backup-files nil)
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(setq auto-save-default nil)
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;; Splash Screen
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(setq inhibit-startup-screen t)
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(setq initial-scratch-message ";; Happy Hacking")
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;; Show matching parens
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(setq show-paren-delay 0)
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(show-paren-mode 1)
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;; Paragraph movement
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(global-set-key (kbd "s-j") 'forward-paragraph)
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(global-set-key (kbd "s-k") 'backward-paragraph)
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;; Keybinding for term mode
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(add-hook 'term-mode
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(lambda () (global-set-key (kbd "s-v") 'term-paste)))
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;; OrgMode Configs
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(setq org-html-validation-link nil)
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(setq org-todo-keywords
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'((sequence "TODO" "WORKING" "HOLD" "|" "DONE")))
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(setq org-todo-keyword-faces
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'(("TODO" . "blue")
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("WORKING" . "yellow")
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("HOLD" . "red")
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("DONE" . "green")))
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;; UI configurations
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(if (display-graphic-p)
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(progn
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(tool-bar-mode -1)
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(scroll-bar-mode -1)
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)
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)
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(tooltip-mode -1)
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(menu-bar-mode -1)
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(global-linum-mode 1)
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(add-to-list 'default-frame-alist '(font . "Iosevka-11"))
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(add-to-list 'default-frame-alist '(height . 24))
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(add-to-list 'default-frame-alist '(width . 80))
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;; Vim mode
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(use-package evil
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:ensure t
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:config
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(evil-mode 1))
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(use-package evil-escape
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:ensure t
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:init
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(setq-default evil-escape-key-sequence "jk")
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:config
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(evil-escape-mode 1))
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;; Anzu for search matching
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(use-package anzu
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:ensure t
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:config
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(global-anzu-mode 1)
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(global-set-key [remap query-replace-regexp]
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'anzu-query-replace-regexp)
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(global-set-key [remap query-replace]
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'anzu-query-replace))
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;; Theme
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(use-package doom-themes
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:ensure t
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:config
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(load-theme 'doom-molokai t))
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;; Helm
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(use-package helm
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:ensure t
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:init
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(setq helm-M-x-fuzzy-match t
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helm-mode-fuzzy-match t
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helm-buffers-fuzzy-matching t
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helm-recentf-fuzzy-match t
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helm-locate-fuzzy-match t
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helm-semantic-fuzzy-match t
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helm-imenu-fuzzy-match t
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helm-completion-in-region-fuzzy-match t
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helm-candidate-number-list 80
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helm-split-window-in-side-p t
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helm-move-to-line-cycle-in-source t
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helm-echo-input-in-header-line t
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helm-autoresize-max-height 0
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helm-autoresize-min-height 20)
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:config
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(helm-mode 1))
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;; RipGrep
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(use-package helm-rg :ensure t)
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;; Projectile
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(use-package projectile
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:ensure t
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:init
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(setq projectile-require-project-root nil)
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:config
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(projectile-mode 1))
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;; Helm Projectile
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(use-package helm-projectile
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:ensure t
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:init
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(setq helm-projectile-fuzzy-match t)
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:config
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(helm-projectile-on))
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;; Helm Gtags
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(use-package helm-gtags
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:defer t
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:ensure t
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:init
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(progn
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(setq helm-gtags-ignore-case t
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helm-gtags-auto-update t
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helm-gtags-prefix-key "SPC-m"
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helm-gtags-use-input-at-cursor t
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helm-gtags-pulse-at-cursor t)
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(add-hook 'c-mode-hook 'helm-gtags-mode)))
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;; All The Icons
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(use-package all-the-icons :ensure t)
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;; NeoTree
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(use-package neotree
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:ensure t
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:init
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(setq neo-theme (if (display-graphic-p) 'icons 'arrow)))
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;; Which Key
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(use-package which-key
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:ensure t
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:init
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(setq which-key-separator " ")
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(setq which-key-prefix-prefix "+")
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:config
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(which-key-mode))
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;; Custom keybinding
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(use-package general
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:ensure t
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:config (general-define-key
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:states '(normal visual insert emacs)
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:prefix "SPC"
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:non-normal-prefix "M-SPC"
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"/" '(helm-projectile-rg
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:which-key "ripgrep")
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"TAB" '(switch-to-prev-buffer
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:which-key "previous buffer")
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"SPC" '(helm-M-x :which-key "M-x")
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"pf" '(helm-projectile-find-file
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:which-key "find files")
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"pp" '(helm-projectile-switch-project
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:which-key "switch project")
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"pb" '(helm-projectile-switch-to-buffer
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:which-key "switch buffer")
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"pr" '(helm-show-kill-ring
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:which-key "show kill ring")
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;; Buffers
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"bb" '(helm-mini :which-key "buffers list")
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;; Window
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"wl" '(windmove-right :which-key "move right")
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"wh" '(windmove-left :which-key "move left")
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"wk" '(windmove-up :which-key "move up")
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"wj" '(windmove-down :which-key "move bottom")
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"w/" '(split-window-right :which-key "split right")
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"w-" '(split-window-below :which-key "split bottom")
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"wx" '(delete-window :which-key "delete window")
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"qz" '(delete-frame :which-key "delete frame")
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"qq" '(kill-emacs :which-key "quit")
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;; NeoTree
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"ft" '(neotree-toggle :which-key "toggle neotree")
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;; Others
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"at" '(ansi-term :which-key "open terminal")
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;; Gtags
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"gc" '(helm-gtags-create-tags
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:which-key "Create tag db")
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"gd" '(helm-gtags-fing-tag
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:which-key "Find definitions")
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"gf" '(helm-gtags-select-path
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:which-key "Jump to a file in tag db")
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"gG" '(helm-gtags-dwim-other-window
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:which-key "Jump to location based on context")
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"gi" '(helm-gtags-tags-in-this-function
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:which-key "Present tags in current function")
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"gl" '(helm-gtags-parse-file
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:which-key "Jump to definitions in file")
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"gn" '(helm-gtags-next-history
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:which-key "Jump to next location in context stack")
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"gp" '(helm-gtags-previous-history
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:which-key "Jump to previous location in context stack")
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"gr" '(helm-gtags-find-rtag
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:which-key "Find references")
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"gR" '(helm-gtags-resume
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:which-key "Resume previous helm-gtags session")
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"gs" '(helm-gtags-select
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:which-key "Select any tag in project retrieved by gtags")
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"gS" '(helm-gtags-show-stack
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:which-key "Show stack of visited locations")
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"gu" '(helm-gtags-update-tags
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:which-key "Create tag db")
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))
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;; Fancy titlebar for MacOS
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(add-to-list 'default-frame-alist '(ns-transparent-titlebar . t))
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(add-to-list 'default-frame-alist '(ns-appearance . dark))
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(setq ns-use-proxy-icon nil)
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(setq frame-title-format nil)
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;; 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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;; Company mode
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(use-package company
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:ensure t
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:init
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(setq company-minimum-prefix-length 3)
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(setq company-auto-complete nil)
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(setq company-idle-delay 0)
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(setq company-require-match 'never)
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(setq company-frontends
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'(company-pseudo-tooltip-unless-just-one-frontend
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company-preview-frontend company-echo-metadata-frontend))
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(setq tab-always-indent 'complete)
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(defvar completion-at-point-functions-saved nil)
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:config
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(global-company-mode 1)
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(define-key company-active-map (kbd "TAB")
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'company-complete-common-or-cycle)
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(define-key company-active-map (kbd "<tab>")
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'company-complete-common-or-cycle)
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(define-key company-active-map (kbd "S-TAB")
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'company-select-previous)
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(define-key company-active-map (kbd "<backtab>")
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'company-select-previous)
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(define-key company-mode-map [remap indent-for-tab-command]
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'company-indent-for-tab-command)
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(defun company-indent-for-tab-command (&optional arg)
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(interactive "P")
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(let ((completion-at-point-functions-saved completion-at-point-functions)
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(completion-at-point-functions '(company-complete-common-wrapper)))
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(indent-for-tab-command arg)))
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(defun company-complete-common-wrapper ()
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(let ((completion-at-point-functions completion-at-point-functions-saved))
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(company-complete-common))))
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;; Powerline
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(use-package spaceline
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:ensure t
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:init
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(setq powerline-default-separator 'slant)
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:config
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(spaceline-emacs-theme)
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(spaceline-toggle-minor-modes-off)
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(spaceline-toggle-buffer-size-off)
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(spaceline-toggle-evil-state-on))
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;;;;;;;;;;;;;;;;;;;;;;;
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;; Language Supports ;;
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;;;;;;;;;;;;;;;;;;;;;;;
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;;; C
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(defun c-lineup-arglist-tabs-only (ignored)
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"Line up argument lists by tabs, not spaces"
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(let* ((anchor (c-langelem-pos c-syntactic-element))
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(column (c-langelem-2nd-pos c-syntactic-element))
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(offset (- (1+ column) anchor))
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(steps (floor offset c-basic-offset)))
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(* (max steps 1)
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c-basic-offset)))
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(add-hook 'c-mode-common-hook
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(lambda ()
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;; Add kernel style
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(c-add-style
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"linux-tabs-only"
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'("linux" (c-offsets-alist
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(arglist-cont-nonempty
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c-lineup-gcc-asm-reg
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c-lineup-arglist-tabs-only))))))
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(add-hook 'c-mode-hook
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(lambda ()
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(let ((filename (buffer-file-name)))
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;; Enable kernel mode for the appropriate files
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(when (and filename
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(string-match (expand-file-name "~/ged4k/linux-xlnx")
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filename))
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(setq indent-tabs-mode t)
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(setq show-trailing-whitespace t)
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(c-set-style "linux-tabs-only")))))
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(defun helm-gtags-dwim-other-window ()
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"helm-gtags-dwim in the other window"
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(interactive)
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(let ((helm-gtags--use-otherwin t)
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(split-height-threshold nil)
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(split-width-threshold 140))
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(helm-gtags-dwim)))
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