374 lines
14 KiB
EmacsLisp
374 lines
14 KiB
EmacsLisp
;;; core-ui.el --- interface settings
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;; see lib/ui-defuns.el
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(setq-default
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blink-matching-paren nil
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show-paren-delay 0.075
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;; Multiple cursors across buffers cause a strange redraw delay for
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;; some things, like auto-complete or evil-mode's cursor color
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;; switching.
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cursor-in-non-selected-windows nil
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highlight-nonselected-windows nil
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uniquify-buffer-name-style nil
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visible-bell nil ; silence of the bells
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use-dialog-box nil ; always avoid GUI
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redisplay-dont-pause t
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indicate-buffer-boundaries nil
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indicate-empty-lines t
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fringes-outside-margins t
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hl-line-sticky-flag nil ; only highlight in one window
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jit-lock-defer-time nil
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jit-lock-stealth-time 1
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resize-mini-windows t)
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(defvar narf-fringe-size 6)
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(if window-system
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(progn
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(fringe-mode narf-fringe-size)
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(setq frame-title-format '(buffer-file-name "%f" ("%b")))
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(setq initial-frame-alist '((width . 120) (height . 80)))
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(set-frame-font narf-default-font)
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(set-face-attribute 'default t :font narf-default-font)
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(define-fringe-bitmap 'tilde [64 168 16] nil nil 'center)
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(setcdr (assq 'empty-line fringe-indicator-alist) 'tilde)
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(set-fringe-bitmap-face 'tilde 'font-lock-comment-face))
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(menu-bar-mode -1))
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(mapc (lambda (x) (set-fontset-font "fontset-default" `(,x . ,x) "DejaVu Sans" nil 'prepend))
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'(?☑ ?☐))
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(blink-cursor-mode 1) ; do blink cursor
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(tooltip-mode -1) ; show tooltips in echo area
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;; Highlight line
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(add-hook! (prog-mode puml-mode markdown-mode) 'hl-line-mode)
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;; Disable line highlight in visual mode
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(defvar narf--hl-line-mode nil)
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(make-variable-buffer-local 'narf--hl-line-mode)
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(defun narf|hl-line-on ()
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(when narf--hl-line-mode (hl-line-mode +1)))
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(defun narf|hl-line-off ()
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(when narf--hl-line-mode (hl-line-mode -1)))
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(add-hook! hl-line-mode (if hl-line-mode (setq narf--hl-line-mode t)))
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(add-hook! evil-visual-state-entry 'narf|hl-line-off)
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(add-hook! evil-visual-state-exit 'narf|hl-line-on)
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;; Hide modeline in help windows ;;;;;;;
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(add-hook! help-mode (setq-local mode-line-format nil))
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;; Highlight TODO/FIXME/NOTE tags ;;;;;;
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(defface narf-todo-face '((t (:inherit font-lock-warning-face))) "Face for TODOs")
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(defface narf-fixme-face '((t (:inherit font-lock-warning-face))) "Face for FIXMEs")
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(defface narf-note-face '((t (:inherit font-lock-warning-face))) "Face for NOTEs")
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(add-hook! (prog-mode emacs-lisp-mode)
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(font-lock-add-keywords nil '(("\\<\\(TODO\\((.+)\\)?:?\\)" 1 'narf-todo-face prepend)
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("\\<\\(FIXME\\((.+)\\)?:?\\)" 1 'narf-fixme-face prepend)
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("\\<\\(NOTE\\((.+)\\)?:?\\)" 1 'narf-note-face prepend))))
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;; Fade out when unfocused ;;;;;;;;;;;;;
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(add-hook! focus-in (set-frame-parameter nil 'alpha 100))
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(add-hook! focus-out (set-frame-parameter nil 'alpha 80))
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;; Plugins ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(use-package yascroll
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:commands (yascroll-bar-mode)
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:config
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(add-to-list 'yascroll:enabled-window-systems 'mac)
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(setq yascroll:scroll-bar 'left-fringe
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yascroll:delay-to-hide nil))
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(use-package hideshow
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:commands (hs-minor-mode hs-toggle-hiding hs-already-hidden-p)
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:diminish hs-minor-mode
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:config (setq hs-isearch-open t)
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:init
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(after! evil
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(defun narf-load-hs-minor-mode ()
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(hs-minor-mode 1)
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(advice-remove 'evil-toggle-fold 'narf-load-hs-minor-mode))
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(advice-add 'evil-toggle-fold :before 'narf-load-hs-minor-mode))
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;; Prettify code folding in emacs ;;;;;;
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(define-fringe-bitmap 'hs-marker [16 48 112 240 112 48 16] nil nil 'center)
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(defface hs-face '((t (:background "#ff8")))
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"Face to hightlight the ... area of hidden regions"
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:group 'hideshow)
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(defface hs-fringe-face '((t (:foreground "#888")))
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"Face used to highlight the fringe on folded regions"
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:group 'hideshow)
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(setq hs-set-up-overlay
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(lambda (ov)
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(when (eq 'code (overlay-get ov 'hs))
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(let* ((marker-string "*fringe-dummy*")
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(marker-length (length marker-string))
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(display-string (format " ... " (count-lines (overlay-start ov)
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(overlay-end ov)))))
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(put-text-property 0 marker-length 'display
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(list 'right-fringe 'hs-marker 'hs-fringe-face) marker-string)
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(put-text-property 0 (length display-string) 'face 'hs-face display-string)
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(overlay-put ov 'before-string marker-string)
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(overlay-put ov 'display display-string))))))
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(use-package rainbow-delimiters
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:commands rainbow-delimiters-mode
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:init (add-hook! (emacs-lisp-mode lisp-mode js2-mode scss-mode) 'rainbow-delimiters-mode)
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:config (setq rainbow-delimiters-max-face-count 4))
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(use-package rainbow-mode :defer t
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:init
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(add-hook! rainbow-mode
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(when narf--hl-line-mode
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(hl-line-mode (if rainbow-mode -1 1)))))
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(use-package volatile-highlights
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:diminish volatile-highlights-mode
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:config
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(vhl/define-extension 'my-undo-tree-highlights
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'undo-tree-undo 'undo-tree-redo)
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(vhl/install-extension 'my-undo-tree-highlights)
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(vhl/define-extension 'my-yank-highlights
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'evil-yank 'evil-paste-after 'evil-paste-before 'evil-paste-pop)
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(vhl/install-extension 'my-yank-highlights)
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(volatile-highlights-mode t))
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(use-package nlinum
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:commands nlinum-mode
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:preface
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(defvar narf--hl-nlinum-overlay nil)
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(defvar narf--hl-nlinum-line nil)
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(defvar nlinum-format " %4d ")
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(defface linum-highlight-face '((t (:inherit linum))) "Face for line highlights")
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(setq linum-format "%3d ")
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:init
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(defun narf|nlinum-enable ()
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(nlinum-mode +1)
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(add-hook 'post-command-hook 'narf|nlinum-hl-line t))
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(defun narf|nlinum-disable ()
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(nlinum-mode -1)
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(remove-hook 'post-command-hook 'narf|nlinum-hl-line)
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(narf|nlinum-unhl-line))
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(add-hook!
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(markdown-mode prog-mode scss-mode web-mode)
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'narf|nlinum-enable)
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:config
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(defun narf|nlinum-unhl-line ()
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"Unhighlight line number"
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(when narf--hl-nlinum-overlay
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(let* ((ov narf--hl-nlinum-overlay)
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(disp (get-text-property 0 'display (overlay-get ov 'before-string)))
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(str (nth 1 disp)))
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(put-text-property 0 (length str) 'face 'linum str)
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(setq narf--hl-nlinum-overlay nil
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narf--hl-nlinum-line nil))))
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(defun narf|nlinum-hl-line (&optional line)
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"Highlight line number"
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(let ((line-no (or line (string-to-number (format-mode-line "%l")))))
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(when (and nlinum-mode (not (eq line-no narf--hl-nlinum-line)))
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(let* ((pbol (if line (save-excursion (goto-char (point-min))
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(forward-line line-no)
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(point-at-bol))
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(line-beginning-position)))
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(peol (1+ pbol)))
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;; Handle EOF case
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(let ((max (point-max)))
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(when (>= peol max)
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(setq peol max)))
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(jit-lock-fontify-now pbol peol)
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(let* ((overlays (overlays-in pbol peol))
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(ov (-first (lambda (item) (overlay-get item 'nlinum)) overlays)))
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(when ov
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(narf|nlinum-unhl-line)
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(let ((str (nth 1 (get-text-property 0 'display (overlay-get ov 'before-string)))))
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(put-text-property 0 (length str) 'face 'linum-highlight-face str)
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(setq narf--hl-nlinum-overlay ov
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narf--hl-nlinum-line line-no))))))))
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(add-hook! nlinum-mode
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(setq nlinum--width
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(length (int-to-string (count-lines (point-min) (point-max)))))))
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;; Mode-line ;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(use-package spaceline-segments
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:init
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(defvar narf--env-version nil)
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(defvar narf--env-command nil)
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(make-variable-buffer-local 'narf--env-version)
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(make-variable-buffer-local 'narf--env-command)
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:config
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(setq-default
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powerline-default-separator nil
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powerline-height 19
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spaceline-highlight-face-func 'spaceline-highlight-face-evil-state)
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(defface mode-line-is-modified nil "Face for mode-line modified symbol")
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(defface mode-line-buffer-file nil "Face for mode-line buffer file path")
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;; Custom modeline segments
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(spaceline-define-segment narf-buffer-path
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(if buffer-file-name
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(let* ((project-path (let (projectile-require-project-root) (projectile-project-root)))
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(buffer-path (file-relative-name buffer-file-name project-path))
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(max-length (/ (window-width) 2))
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(path-len (length buffer-path)))
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(concat (file-name-nondirectory (directory-file-name project-path))
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"/"
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(if (> path-len max-length)
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(concat "…" (replace-regexp-in-string
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"^.*?/" "/"
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(substring buffer-path (- path-len max-length) path-len)))
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buffer-path)))
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"%b")
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:face (if active 'mode-line-buffer-file 'mode-line-inactive)
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:skip-alternate t
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:tight-right t)
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(spaceline-define-segment narf-buffer-modified
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(concat
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(when buffer-file-name
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(concat
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(when (buffer-modified-p) "[+]")
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(unless (file-exists-p buffer-file-name) "[!]")))
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(if buffer-read-only "[RO]"))
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:face mode-line-is-modified
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:when (not (string-prefix-p "*" (buffer-name)))
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:skip-alternate t
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:tight t)
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(spaceline-define-segment narf-buffer-encoding-abbrev
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"The line ending convention used in the buffer."
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(symbol-name buffer-file-coding-system)
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:when (not (string-match-p "\\(utf-8\\|undecided\\)"
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(symbol-name buffer-file-coding-system))))
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(spaceline-define-segment narf-buffer-position
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"A more vim-like buffer position."
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(let ((start (window-start))
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(end (window-end))
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(pend (point-max)))
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(if (and (eq start 1)
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(eq end pend))
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":All"
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(let ((perc (/ end 0.01 pend)))
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(cond ((eq start 1) ":Top")
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((>= perc 100) ":Bot")
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(t (format ":%d%%%%" perc))))))
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:tight t)
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(spaceline-define-segment narf-vc
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"Version control info"
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(concat (downcase vc-mode)
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(case (vc-state buffer-file-name)
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('edited "+")
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('conflict "!!!")
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(t "")))
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:when (and active vc-mode)
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:face other-face
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:tight t)
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(spaceline-define-segment narf-env-version
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"A HUD that shows which part of the buffer is currently visible."
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(when (and narf--env-command (not narf--env-version))
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(narf|spaceline-env-update))
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narf--env-version
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:when (and narf--env-version (memq major-mode '(ruby-mode enh-ruby-mode python-mode))))
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(spaceline-define-segment narf-hud
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"A HUD that shows which part of the buffer is currently visible."
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(powerline-hud highlight-face other-face 1)
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:face other-face
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:tight-right t)
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(defface mode-line-count-face nil "")
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(make-variable-buffer-local 'anzu--state)
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(spaceline-define-segment narf-anzu
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"Show the current match number and the total number of matches. Requires
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anzu to be enabled."
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(let ((here anzu--current-position)
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(total anzu--total-matched))
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(format " %s/%d%s "
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(anzu--format-here-position here total)
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total (if anzu--overflow-p "+" "")))
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:face (if active 'mode-line-count-face 'mode-line-inactive)
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:when (and (> anzu--total-matched 0) (evil-ex-hl-active-p 'evil-ex-search))
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:skip-alternate t
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:tight t)
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;; TODO mode-line-iedit-face default face
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(spaceline-define-segment narf-iedit
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"Show the number of matches and what match you're on (or after). Requires
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iedit."
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(let ((this-oc (iedit-find-current-occurrence-overlay))
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(length (or (ignore-errors (length iedit-occurrences-overlays)) 0)))
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(format "%s/%s"
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(save-excursion
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(unless this-oc
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(iedit-prev-occurrence)
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(setq this-oc (iedit-find-current-occurrence-overlay)))
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(if this-oc
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;; NOTE: Not terribly reliable
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(- length (-elem-index this-oc iedit-occurrences-overlays))
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"-"))
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length))
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:face (if active 'mode-line-count-face 'mode-line-inactive)
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:skip-alternate t
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:when (bound-and-true-p iedit-mode))
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;; TODO mode-line-substitute-face default face
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(defface mode-line-substitute-face nil "")
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;; TODO This is very hackish; refactor?
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(spaceline-define-segment narf-evil-substitute
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"Show number of :s matches in real time."
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(let ((range (if evil-ex-range
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(cons (car evil-ex-range) (cadr evil-ex-range))
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(cons (line-beginning-position) (line-end-position))))
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(pattern (car-safe (evil-delimited-arguments evil-ex-argument 2))))
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(if pattern
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(format "%s matches" (count-matches pattern (car range) (cdr range)) evil-ex-argument)
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" ... "))
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:face (if active 'mode-line-count-face 'mode-line-inactive)
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:skip-alternate t
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:when (and (evil-ex-p) (evil-ex-hl-active-p 'evil-ex-substitute)))
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(spaceline-define-segment narf-major-mode
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(concat "[" mode-name "]")
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:skip-alternate t)
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;; Initialize modeline
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(spaceline-install
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;; Left side
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'((evil-state :face highlight-face :when active)
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narf-anzu narf-iedit narf-evil-substitute
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(narf-buffer-path remote-host)
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narf-buffer-modified
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narf-vc
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((flycheck-error flycheck-warning flycheck-info) :when active))
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;; Right side
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'((selection-info :face highlight-face :skip-alternate t)
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narf-env-version
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narf-buffer-encoding-abbrev
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(narf-major-mode
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(minor-modes :separator " " :tight t)
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process :when active)
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(global :when active)
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("%l·%c" narf-buffer-position)
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narf-hud
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)))
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(provide 'core-ui)
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;;; core-ui.el ends here
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