2024-01-20 08:23:07 -09:00
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;;; p11k.el --- PowerLevel10k prompt for Eshell -*- lexical-binding: t; -*-
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2024-04-07 15:39:57 -08:00
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;; Copyright (C) 2023 Miranda Marquez
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2024-01-20 08:23:07 -09:00
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2024-04-07 15:39:57 -08:00
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;; Author: Miranda Marquez <mirmarq428@gmail.com>
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2024-01-20 08:23:07 -09:00
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;; Keywords: terminals, convenience, faces
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;; Package-Requires: ((dash) (all-the-icons) (eshell-prompt-extras) (f) (shrink-path))
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;;; Commentary:
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;; PowerLevel10k prompt theme for Eshell. Tries to emulate everything but may
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;; be broken.
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;;; Bugs:
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;; - styles other than Lean not implemented
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;; - right-aligned elements (time display) get pushed to new line when `word-wrap' t
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;;; Code:
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(require 'f)
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(require 'dash)
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(require 'eshell-prompt-extras)
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(require 'shrink-path)
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(defvar p11k/eol-marker "") ;; zero width non-joiner, 8204
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(defgroup p11k nil
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"PowerLevel11k Prompt for Eshell."
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:group 'eshell
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:prefix "p11k/")
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(defcustom p11k/use-transient-prompt t
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"Whether to enable `transient-prompt' for p11k."
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:group 'p11k
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:type 'boolean) ;; or nil to disable transient-prompt
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(defcustom p11k/prompt-style 'lean
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"Style of PowerLevel11k Eshell prompt."
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:group 'p11k
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:type '(choice
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(const :tag "Lean" lean)
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(const :tag "Classic" classic)
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(const :tag "Rainbow" rainbow)
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(const :tag "Pure" pure)))
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(defcustom p11k/use-unicode nil
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"Whether or not to use Unicode characters in PowerLevel11k Eshell prompt."
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:group 'p11k
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:type 'boolean)
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(defcustom p11k/prompt-color-level 2
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"Darkness of the prompt background for PowerLevel11k."
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:group 'p11k
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:type '(choice
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(const :tag "Lightest" 1)
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(const :tag "Light" 2)
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(const :tag "Dark" 3)
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(const :tag "darkest" 4)))
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(defcustom p11k/show-current-time 12
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"Format of time display, or nil for no time."
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:group 'p11k
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:type '(choice
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(const :tag "No" nil)
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(const :tag "24-hour format" 24)
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(const :tag "12-hour format" 12)))
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(defcustom p11k/prompt-segment-separator-type 'angled
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"Type of separator between p11k prompt segments."
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:group 'p11k
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:type '(choice
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(const :tag "Angled" angled)
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(const :tag "Vertical" vertical)
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(const :tag "Slanted" slanted)
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(const :tag "Round" round))) ;; Only when unicode=t (?)
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(defcustom p11k/prompt-segment-head-type 'slanted
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"Type of head character to put on the inner ends of p11k prompt."
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:group 'p11k
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:type '(choice
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(const :tag "Sharp" sharp)
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(const :tag "Blurred" blurred)
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(const :tag "Slanted" slanted)
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(const :tag "Round" round))) ;; Only when unicode=t (?)
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(defcustom p11k/prompt-segment-tail-type 'slanted
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"Type of tail character to put on the outer ends of p11k prompt."
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:group 'p11k
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:type '(choice
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(const :tag "Flat" flat)
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(const :tag "Blurred" blurred)
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(const :tag "Sharp" sharp)
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(const :tag "Slanted" slanted)
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(const :tag "Round" round))) ;; Only when unicode=t (?)
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(defcustom p11k/prompt-height 2
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"Whether to use one or two lines for p11k prompt."
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:group 'p11k
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:type '(choice
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(const :tag "One line" 1)
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(const :tag "Two Lines" 2)))
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(defcustom p11k/prompt-segment-connection 'disconnected
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"What style of connector, if any, to draw between p11k prompt segments."
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:group 'p11k
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:type '(choice
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(const :tag "Disconnected" disconnected)
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(const :tag "Dotted" dotted)
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(const :tag "Solid" solid)))
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(defcustom p11k/prompt-frame 'full
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"Which side of the window to put a frame between p11k prompt segments."
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:group 'p11k
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:type '(choice
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(const :tag "No frame" nil)
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(const :tag "Left" left)
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(const :tag "Right" right)
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(const :tag "Full" full)))
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(defcustom p11k/prompt-spacing 'compact
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"How much distance to put between consecutive prompts and command outputs."
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:group 'p11k
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:type '(choice
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(const :tag "Compact" compact)
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(const :tag "Sparse" sparse)))
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(defcustom p11k/use-icons nil
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"Whether to use icons in the p11k prompt."
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:group 'p11k
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:type 'boolean) ;; or t for "many" icons
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(defcustom p11k/prompt-flow 'concise
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"Whether to put prepositions and adjectives around p11k segments."
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:group 'p11k
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:type '(choice
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(const :tag "Concise (fewer words)" concise)
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(const :tag "Fluent (more words)" fluent)))
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(defvar p11k/prompt-caret (if p11k/use-unicode
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"❯" ">"))
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(defvar p11k/prompt-caret-alist
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(if p11k/use-unicode
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'((insert . "❯")
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(normal . "❮")
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(visual . "") ;from nerd-icons
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)
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'((insert . ">")
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(normal . "<")
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(visual . "V"))))
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(defvar p11k/unwritable-icon (if p11k/use-unicode
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"" "!w"))
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(defvar p11k/last-prompt-bound 0) ;; internal variable
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(defface p11k/green '((t (:foreground "green")))
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"Face for \"green\" parts of p11k prompt and git status segment.")
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(defface p11k/yellow '((t (:foreground "yellow")))
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"Face for \"yellow\" parts of p11k prompt and git status segment.")
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(defface p11k/blue '((t (:foreground "blue")))
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"Face for \"blue\" parts of p11k prompt and git status segment.")
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(defface p11k/red '((t (:foreground "red")))
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"Face for \"red\" parts of p11k prompt and git status segment.")
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(defface p11k/cyan '((t (:foreground "cyan")))
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"Face for \"cyan\" parts of p11k prompt.")
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(defun p11k/setup-git-status ()
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"Declare variables and faces for git info in p11k prompt."
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(face-spec-set 'gitstatus-clean-face '((t (:inherit 'p11k/green))))
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(face-spec-set 'gitstatus-modified-face '((t (:inherit 'p11k/yellow))))
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(face-spec-set 'gitstatus-untracked-face '((t (:inherit 'p11k/blue)))))
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(defun p11k/spaced-concat (&rest strings)
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(string-trim-left
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(mapconcat
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(lambda (str) (format " %s" str))
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strings)))
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;; (p11k/spaced-concat "one" "two" (propertize "five" 'face 'p11k/yellow))
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(defun p11k/format-directory (dir &optional maxwidth)
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"Format DIR for use in p11k Eshell prompt. Returneth a string.
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if MAXWIDTH is non-nil, abbreviate."
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(let* ((writable-symbol (if (file-writable-p dir) "" p11k/unwritable-icon))
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(dir (string-replace (getenv "HOME") "~" dir)))
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(p11k/spaced-concat
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writable-symbol
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(if (or maxwidth (>= (* 2 (length dir)) (window-text-width)))
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(shrink-path-dirs dir) dir))))
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(defun p11k/caret-color-status (status)
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"Return the propertized `p11k/prompt-caret', according to STATUS."
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(let ((facecolor (if (zerop status) 'p11k/green 'p11k/red)))
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(propertize (format "%s" (alist-get (p11k/get-modal-status) p11k/prompt-caret-alist))
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'face facecolor)))
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(defun p11k/get-modal-status ()
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(if (bound-and-true-p meow--current-state)
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meow--current-state
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evil-state))
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(defvar p11k/sep-str-alist
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'((angled . ("" . ""))
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(sharp . ("" . ""))
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(vertical . ("" . ""))
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(flat . ("" . ""))
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(slanted . ("" . ""))
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(round . ("" . ""))
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(blurred . ("▓▒░" . "░▒▓")))
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"Alist of separator names and their canonical string appearances.
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Each string appearance is a cons cell corresponding with the left-handed form as
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the car and right-handed form as the cdr.")
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(defun p11k/get-sep-char (sym &optional direction)
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"Given symbol SYM name of a prompt style, return matching string.
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Corresponds with DIRECTION in only a specific idealized context. If DIRECTION
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is omitted, just return the cons of bolth."
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(let ((symcons (alist-get sym p11k/sep-str-alist))
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(getter (if (eq direction 'left) #'car #'cdr)))
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(if direction
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(funcall getter symcons)
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symcons)))
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(defun p11k/status-formatter (timestamp duration)
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"Return status display for `epe-status'. Replaceth `epe-status-formatter'.
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TIMESTAMP is the value returned by `current-time' and DURATION is the floating
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time the command took to complete in seconds.
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Outputteth a string."
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;; TIMESTAMP is irrelevant for us
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(let ((durstring (format "%.3fs" duration)))
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(p11k/spaced-concat
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(if (eq p11k/prompt-flow 'fluent) "took" "")
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(propertize durstring 'face 'p11k/yellow))))
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(defun p11k/justificate (left-items right-items)
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"Concatenate LEFT-ITEMS and RIGHT-ITEMS with a gap between.
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Use 'window-width' to calculate the total final width."
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(let* ((left-str (eval `(p11k/spaced-concat ,@left-items)))
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(right-str (eval `(p11k/spaced-concat ,@right-items)))
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(left-length (length left-str))
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(right-length (length right-str))
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(middle-spc (- (window-width nil 'remap) (+ left-length right-length))))
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(concat left-str (make-string middle-spc (string-to-char " ")) right-str)))
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;; (eval `(concat ,@'("one" "two")))
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;; (p11k/justificate '("one" "wto" "three") '("twenty" "23" "forthy-three"))
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(defun p11k/git-status ()
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"Return propertized git information."
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(if (file-exists-p ".git")
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(let* ((status-alist
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(--> "git status -s"
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(shell-command-to-string it)
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(split-string it "\n" 'omit-nulls search-whitespace-regexp)
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2024-02-25 15:22:13 -09:00
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(if it
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(--map (let ((parts (split-string it)))
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(cons (car parts) (cadr parts)))
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it) nil)))
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2024-01-20 08:23:07 -09:00
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(branch (--> "git branch"
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(shell-command-to-string it)
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(split-string it "\n" 'omit-nulls search-whitespace-regexp)
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2024-02-25 15:22:13 -09:00
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(if it (progn
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(--filter (string-match-p (rx bol "* " (+ word)) it) it)
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(split-string (car it))
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(cadr it))
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"")))
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2024-01-20 08:23:07 -09:00
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(modcount (--> status-alist
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(--map (car it) it)
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(--count (string-match-p "M" it) it)
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(if (not (= it 0))
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(format "!%s" it)
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nil)))
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(untracked (--> status-alist
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(--map (car it) it)
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(--count (string-match-p "\\?\\?" it) it)
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(if (not (= it 0))
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(format "?%s" it)
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nil))))
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(p11k/spaced-concat
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(if (eq p11k/prompt-flow 'fluent) "on" "")
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(propertize branch 'face 'p11k/green)
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(if modcount (propertize modcount 'face 'p11k/yellow) "")
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(if untracked (propertize untracked 'face 'p11k/blue) "")))
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""))
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(defun p11k/prompt ()
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"Return the propertized face for p11k Eshell prompt."
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(let ((sparsity (if (eq p11k/prompt-spacing 'sparse) "\n" ""))
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(directory (propertize (format "%s" (p11k/format-directory default-directory))
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'face 'p11k/blue))
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(timedisp
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(if p11k/show-current-time
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(p11k/spaced-concat
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(if (eq p11k/prompt-style 'fluent) "at" "")
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(propertize (pcase p11k/show-current-time
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(12 (format-time-string "%I:%M:%S %p"))
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(24 (format-time-string "%H:%M:%S"))
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(t "[bad time type]"))
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'face 'p11k/cyan))
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""))
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(status-str (epe-status #'p11k/status-formatter)))
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(p11k/justificate
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`(,sparsity
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,directory
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,(p11k/git-status))
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;; justificate after this
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`(,(concat p11k/eol-marker
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(p11k/spaced-concat
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status-str
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timedisp)
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"\n"
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(p11k/caret-color-status eshell-last-command-status)
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" ")))))
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(defun p11k/modal-caret (&optional throwaway)
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"Toggle the direction that the prompt points according to `p11k/get-modal-status'."
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(save-match-data
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(save-mark-and-excursion
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(let ((inhibit-read-only t)
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(new-caret
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(p11k/caret-color-status
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eshell-last-command-status)))
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(goto-char (point-max))
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(re-search-backward eshell-prompt-regexp)
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(goto-char (point-at-bol))
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(delete-forward-char 1)
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(insert new-caret))
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)))
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(defun p11k/esh-transient-prompt ()
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"Delete the first line of a multi-line eshell prompt.
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To be run before every eshell command."
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|
(if p11k/use-transient-prompt
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|
(save-match-data
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|
(save-excursion
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|
(setq p11k/last-prompt-bound
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(or (ignore-errors (search-backward p11k/eol-marker nil t))
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(point-min)))
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|
(let ((inhibit-read-only t))
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(delete-line))))))
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(defun p11k/disable ()
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|
"Turn off p11k and restore the old prompt."
|
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|
|
(remove-hook 'eshell-pre-command-hook #'p11k/esh-transient-prompt)
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|
(remove-hook 'eshell-mode-hook #'p11k/setup-git-status)
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|
(setq-default eshell-prompt-function p11k/old-eshell-prompt-function)
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|
(setq-default eshell-prompt-regexp p11k/old-eshell-prompt-regexp))
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;;;###autoload
|
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|
|
(progn
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|
(defun p11k/init ()
|
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|
|
"Run setup functions for p11k."
|
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|
|
|
|
(require 'p11k)
|
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|
|
|
|
(if p11k/use-transient-prompt
|
|
|
|
|
|
(add-hook 'eshell-pre-command-hook #'p11k/esh-transient-prompt))
|
|
|
|
|
|
(p11k/setup-git-status)
|
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|
|
(defvar p11k/old-eshell-prompt-function eshell-prompt-function)
|
|
|
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|
|
(defvar p11k/old-eshell-prompt-regexp eshell-prompt-regexp)
|
|
|
|
|
|
(setq eshell-prompt-function #'p11k/prompt)
|
|
|
|
|
|
(if (featurep 'meow)
|
|
|
|
|
|
(add-hook 'meow-switch-state-hook #'p11k/modal-caret nil 'local)
|
|
|
|
|
|
(if (featurep 'evil)
|
|
|
|
|
|
(progn
|
|
|
|
|
|
(add-hook 'evil-insert-state-entry-hook #'p11k/modal-caret nil 'local)
|
|
|
|
|
|
(add-hook 'evil-normal-state-entry-hook #'p11k/modal-caret nil 'local)
|
|
|
|
|
|
(add-hook 'evil-visual-state-entry-hook #'p11k/modal-caret nil 'local))))
|
|
|
|
|
|
(setq eshell-prompt-regexp
|
|
|
|
|
|
(rx bol
|
|
|
|
|
|
(regexp (eval `(rx ,(cons 'or (mapcar #'cdr p11k/prompt-caret-alist)))))
|
|
|
|
|
|
" ")))
|
|
|
|
|
|
(define-minor-mode p11k-mode
|
|
|
|
|
|
"PowerLevel11k Prompt for Eshell."
|
|
|
|
|
|
:lighter " p11k"
|
|
|
|
|
|
:require 'p11k
|
|
|
|
|
|
(p11k/init)))
|
|
|
|
|
|
|
|
|
|
|
|
(provide 'p11k)
|
|
|
|
|
|
;;; p11k.el ends here
|
