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;;; acdw-modeline.el -*- lexical-binding: t; coding: utf-8-unix -*-
;; Author: Case Duckworth <acdw@acdw.net>
;; Created: Sometime during Covid-19, 2020
;; Keywords: configuration
;; URL: https://tildegit.org/acdw/emacs

;; This file is NOT part of GNU Emacs.

;;; License:
;; Everyone is permitted to do whatever with this software, without
;; limitation.  This software comes without any warranty whatsoever,
;; but with two pieces of advice:
;; - Don't hurt yourself.
;; - Make good choices.

;;; Commentary:
;; `acdw-modeline' is a dumping ground for extra modeline functions, so they
;; don't clutter up `init.el'.

;;; Code:

(require 'simple-modeline)
(require 'minions)

;; modified from `simple-modeline'
(defun acdw-modeline/modified ()
      "Displays a color-coded buffer modification/read-only
indicator in the mode-line."
      (if (not (string-match-p "\\*.*\\*" (buffer-name)))
          (let* ((read-only (and buffer-read-only (buffer-file-name)))
             (modified (buffer-modified-p)))
        (propertize
         (if read-only " =" (if modified " +" " -"))
         'help-echo (format
                 (concat "Buffer is %s and %smodified\n"
                     "mouse-1: Toggle read-only status.")
                 (if read-only "read-only" "writable")
                 (if modified "" "not "))
         'local-map (purecopy (simple-modeline-make-mouse-map
                       'mouse-1
                       (lambda (event)
                     (interactive "e")
                     (with-selected-window
                         (posn-window (event-start event))
                       (read-only-mode 'toggle)))))
         'mouse-face 'mode-line-highlight))))

;; all me, baby
(defun acdw-modeline/minions ()
      "Display a button for `minions-minor-modes-menu'."
      (concat
       " "
       (propertize
        "&"
        'help-echo (format
            "Minor modes menu\nmouse-1: show menu.")
        'local-map (purecopy (simple-modeline-make-mouse-map
                  'mouse-1
                  (lambda (event)
                    (interactive "e")
                    (with-selected-window (posn-window
                               (event-start event))
                      (minions-minor-modes-menu)))))
        'mouse-face 'mode-line-highlight)))

;; from https://www.gonsie.com/blorg/modeline.html, from Doom
(defun acdw-modeline/vc-branch ()
  (if-let ((backend (vc-backend buffer-file-name)))
    (substring vc-mode (+ (if (eq backend 'Hg) 2 3) 2))))

;; from gonsie
(defun acdw-modeline/buffer-name ()
  (propertize " %b "
          'face
          (if (buffer-modified-p)
          'font-lock-warning-face
        'font-lock-type-face)
          'help-echo (buffer-file-name)))

;; god-mode indicator
(defun acdw-modeline/god-mode-indicator ()
  (when (bound-and-true-p god-local-mode)
    " God"))

(provide 'acdw-modeline)