.emacs.d/init/basics/appearance.el

161 lines
4.8 KiB
EmacsLisp

;;; appearance.el --- Configure appearance. -*- lexical-binding: t; -*-
;; Time-stamp: <2019-10-27T20:04:51+00:00>
;;; Commentary:
;;; Code:
(require 'basics/global-variables)
(use-package emacs
:ensure nil
:config
(tool-bar-mode -1) ; Hide toolbar.
(if (display-graphic-p)
(set-scroll-bar-mode 'right)) ; Put scrollbar to the right side.
(add-to-list 'default-frame-alist ; Set default font.
'(font . "Source Code Pro-10"))
(global-hl-line-mode t) ; Highlight current line.
(show-paren-mode t) ; Visualize matching parens.
)
;; Icon font (required by doom and others).
(use-package all-the-icons
:config
(unless (file-exists-p "~/.local/share/fonts/all-the-icons.ttf")
(all-the-icons-install-fonts t))
)
;; Themes for doom-modeline.
(unless slow-computer
(use-package doom-themes
:after (all-the-icons)
:config
(load-theme 'doom-molokai t)
:custom-face
(font-lock-comment-face ((t (:inherit font-lock-comment-face
:foreground "#667755"))))
)
) ; unless slow-computer.
;; Neat modeline.
(use-package doom-modeline
:after (all-the-icons)
:init
(column-number-mode t) ; Show column numbers in modeline.
(size-indication-mode) ; Buffer size display in the modeline.
:config
(setq doom-modeline-minor-modes nil
;; doom-modeline-buffer-file-name-style 'relative-to-project
doom-modeline-buffer-file-name-style 'truncate-except-project)
:hook
(after-init . doom-modeline-mode)
)
;; If 2 files have the same name, append directory name after the filename.
(use-package uniquify
:ensure nil ; Builtin.
:custom
(uniquify-after-kill-buffer-p t)
(uniquify-buffer-name-style 'post-forward)
(uniquify-strip-common-suffix t)
)
;; Show line numbers on the left side of the buffer.
(use-package display-line-numbers
:if (>= emacs-major-version 26)
:config
(global-display-line-numbers-mode)
)
;; Visualize whitespace.
(use-package whitespace
:after (company)
:functions (my/whitespace-mode-enabled-p my/on-off-whitespace-before-company)
:custom
(whitespace-line-column nil) ; Set to fill-column.
:config
(delete 'newline-mark whitespace-style) ; Don't paint $ at eol.
(delete 'lines whitespace-style) ; Don't mark whole overly long lines.
(add-to-list 'whitespace-style 'lines-tail) ; Mark end of overly long lines.
;; Workaround to not show dots in popup menus.
(defun my/whitespace-mode-enabled-p ()
(symbol-value 'whitespace-mode))
(defvar-local my/ws-enabled nil)
;; company:
(defun my/on-off-whitespace-before-company(command)
(when (string= "show" command)
(setq-local my/ws-enabled (my/whitespace-mode-enabled-p))
(if my/ws-enabled
(whitespace-mode -1)))
(when (string= "hide" command)
(if my/ws-enabled
(whitespace-mode t))))
(advice-add 'company-call-frontends
:before #'my/on-off-whitespace-before-company)
(defun my/whitespace-mode-off ()
(setq-local my/ws-enabled (my/whitespace-mode-enabled-p))
(if my/ws-enabled
(whitespace-mode -1)))
(defun my/whitespace-mode-on ()
(if my/ws-enabled
(whitespace-mode t)))
;; popup:
(defadvice popup-create (before my/popup-suppress-whitespace-mode activate)
"Suspend whitespace-mode while popups are visible."
(my/whitespace-mode-off))
(defadvice popup-delete (after my/popup-restore-whitespace-mode activate)
"Restore whitespace-mode when all popups have closed."
(my/whitespace-mode-on))
(if (display-graphic-p)
(custom-set-faces
'(whitespace-line ((t (:inherit whitespace-line
:weight normal
:foreground nil
:background nil
:box (:line-width 1 :color "dark red")
;; :underline (:color "dark red")
)))))
(custom-set-faces ; else
'(whitespace-line ((t (:inherit whitespace-line
:background nil
:underline t
)))))
)
(defun my/ws-load-local-vars-first ()
"Loads local variables (fill-column) before enabling whitespace-mode."
(hack-local-variables)
(whitespace-mode)
)
:bind
("C-x w" . whitespace-mode)
:hook
(prog-mode . my/ws-load-local-vars-first)
(conf-mode . my/ws-load-local-vars-first)
(text-mode . my/ws-load-local-vars-first)
:custom-face
(whitespace-space ((nil :foreground "gray18")))
)
(provide 'basics/appearance)
;;; appearance.el ends here