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;;; prog-general --- General Programming Functionality and Settings -*- lexical-binding: t; -*-
;; author: Craig Jennings <c@cjennings.net>
;;; Commentary:
;; This module provides general programming functionality not related to a
;; specific programming language, such as code-folding, project management,
;; highlighting symbols, snippets, and whitespace management.
;;; Code:
;; ---------------------- General Prog Settings ----------------------
;; keybindings, minor-modes, and prog-mode settings
(defun cj/general-prog-settings ()
"Keybindings, minor modes, and settings for programming mode."
(interactive)
(display-line-numbers-mode) ;; show line numbers
(setq display-line-numbers-type 'relative) ;; display numbers relative to 'the point'
(setq-default display-line-numbers-width 3) ;; 3 characters reserved for line numbers
(turn-on-visual-line-mode) ;; word-wrapping
(auto-fill-mode) ;; auto wrap at the fill column set
(local-set-key (kbd "M-;") 'comment-dwim)) ;; comment/uncomment region as appropriate
(add-hook 'prog-mode-hook #'cj/general-prog-settings)
(add-hook 'html-mode-hook #'cj/general-prog-settings)
(add-hook 'yaml-mode-hook #'cj/general-prog-settings)
(add-hook 'toml-mode-hook #'cj/general-prog-settings)
;; --------------------------- Header Folding --------------------------
;; dependencies for bicycle
(use-package outline-minor-mode
:ensure nil ;; built-in part of org mode
:hook prog-mode)
(use-package hs-minor-mode
:ensure nil ;; built-in
:hook prog-mode)
;; BICYCLE
;; cycle visibility of outline sections and code blocks.
;; additionally it can make use of the hideshow package.
(use-package bicycle
:after outline
:defer 1
:bind (:map outline-minor-mode-map
("C-<tab>" . bicycle-cycle)
;; backtab is shift-tab
("<backtab>" . bicycle-cycle-global)))
;; --------------------------- Project Switch Actions --------------------------
;; if there's a todo or readme file in the project, display it when switching
(defun cj/project-switch-actions ()
"Opens TODO or README file on projectile switch project.
If none exists, it opens magit-status."
;; (dired-sidebar-hide-sidebar)
;; (dired-sidebar-show-sidebar)
(let ((todo-file
(cond
((file-exists-p (concat (projectile-project-root) "TODO.org")) "TODO.org")
((file-exists-p (concat (projectile-project-root) "todo.org")) "todo.org")
((file-exists-p (concat (projectile-project-root) "TODO.md")) "TODO.md")
((file-exists-p (concat (projectile-project-root) "TODO.txt")) "TODO.txt"))))
(if todo-file
(find-file (concat (projectile-project-root) todo-file))
(magit-status))))
;; --------------------------------- Projectile --------------------------------
;; project support
;; notify user when scanning for projects
(defun cj/projectile-identify-projects ()
(message "No project cache found. Identifying projects....")
(projectile-discover-projects-in-search-path))
;; only run discover projects when there's no bookmarks file
(defun cj/projectile-schedule-project-discovery ()
(let ((bookmark-file (concat user-emacs-directory "/projectile-bookmarks.eld")))
(unless (file-exists-p bookmark-file)
(run-at-time "3" nil 'cj/projectile-identify-projects))))
(use-package projectile
:defer .5
:bind-keymap
("C-c p" . projectile-command-map)
:bind
(:map projectile-command-map
("r" . projectile-replace-regexp))
:custom
(projectile-auto-discover nil)
(projectile-project-search-path '("~/code"
"~/projects"))
:config
(cj/projectile-schedule-project-discovery)
;; don't reuse comp buffers between projects
(setq projectile-per-project-compilation-buffer t)
(projectile-mode)
(setq projectile-switch-project-action #'cj/project-switch-actions))
;; groups ibuffer by projects
(use-package ibuffer-projectile
:defer .5
:after projectile
:hook (ibuffer-mode . ibuffer-projectile-set-filter-groups))
;; list all errors project-wide
(use-package flycheck-projectile
:defer .5
:after projectile
:bind
(:map projectile-command-map
("X" . flycheck-projectile-list-errors)))
;; ---------------------------------- Ripgrep ----------------------------------
;; allows fast searching for text anywhere in the project with C-c p G (grep)
(use-package ripgrep
:defer .5
:after projectile
:bind
(:map projectile-command-map
("G" . projectile-ripgrep)))
;; ---------------------------------- Snippets ---------------------------------
;; reusable code and text.
(use-package yasnippet
:defer 1
:bind
("C-c s n" . yas-new-snippet)
("C-c s e" . yas-visit-snippet-file)
:config
(setq yas-snippet-dirs '(snippets-dir))
(yas-global-mode 1))
(use-package ivy-yasnippet
:after yasnippet
:bind
("C-c s i" . ivy-yasnippet))
;; --------------------- Display Color On Color Declaration --------------------
;; display the actual color as highlight to color hex code
(use-package rainbow-mode
:defer .5
:hook (prog-mode . rainbow-mode))
;; ---------------------------- Symbol Overlay Mode ----------------------------
;; Highlight symbols with keymap-enabled overlays
;; replaces highlight-symbol-mode
(use-package symbol-overlay
:defer .5
:bind-keymap
("C-c C-s" . symbol-overlay-map)
:hook
(prog-mode . symbol-overlay-mode))
;; ------------------------------ Highlight TODOs ------------------------------
;; Highlights todo keywords in code for easy spotting
(use-package hl-todo
:defer 1
:hook
(prog-mode . hl-todo-mode)
:config
(setq hl-todo-keyword-faces
'(("FIXME" . "#FF0000")
("BUG" . "#FF0000")
("HACK" . "#FF0000")
("ISSUE" . "#DAA520")
("TASK" . "#DAA520")
("NOTE" . "#2C780E")
("WIP" . "#1E90FF"))))
;; --------------------------- Whitespace Management ---------------------------
;; when saving your file, trims unneeded whitespace only from lines you've modified
(use-package ws-butler
:defer .5
:commands (ws-butler-mode)
:init
(add-hook 'prog-mode-hook #'ws-butler-mode)
(add-hook 'org-mode-hook #'ws-butler-mode)
(add-hook 'text-mode-hook #'ws-butler-mode)
:config
(setq ws-butler-convert-leading-tabs-or-spaces t))
;; ----------------- Auto-Close Successful Compilation Windows -----------------
;; from 'enberg' on #emacs
(add-hook 'compilation-finish-functions
(lambda (buf str)
(if (null (string-match ".*exited abnormally.*" str))
;;no errors, make the compilation window go away in a few seconds
(progn
(run-at-time
"1.5 sec" nil 'delete-windows-on
(get-buffer-create "*compilation*"))))))
(provide 'prog-general)
;;; prog-general.el ends here
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