summary refs log tree commit diff stats
path: root/lisp/acdw-modeline.el
blob: c073992ebaa736f9c25f49e5db3ddd038f430aef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
;;; 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)

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

(defun acdw-modeline/erc ()
  "ERC indicator for the modeline."
  (when (and (boundp 'erc-modified-channels-object)
             (not (bound-and-true-p org-clock-current-task))
             )
    (format-mode-line erc-modified-channels-object)))

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

(defun acdw-modeline/modified ()        ; modified from `simple-modeline'
  "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))))

(defun acdw-modeline/minions () ; by me
  "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)))

(defun acdw-modeline/narrowed ()
  "Display an indication if the buffer is narrowed."
  (when (buffer-narrowed-p)
    (concat
     ""
     (propertize
      "N"
      'help-echo (format "%s\n%s"
                         "Buffer is narrowed"
                         "mouse-2: widen buffer.")
      'local-map (purecopy (simple-modeline-make-mouse-map
                            'mouse-2 #'mode-line-widen))
      'mouse-face 'mode-line-highlight))))

(defun acdw-modeline/text-scale ()
  ;; adapted from https://github.com/seagle0128/doom-modeline
  (when (and (boundp 'text-scale-mode-amount)
             (/= text-scale-mode-amount 0))
    (format
     (if (> text-scale-mode-amount 0)
         " (%+d)"
       " (%-d)")
     text-scale-mode-amount)))

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

(defun acdw-modeline/winum ()
  (when (and (bound-and-true-p winum-mode)
             (> winum--window-count 1))
    (format winum-format (winum-get-number-string))))

(defcustom acdw-modeline/word-count-modes
  (mapcar (lambda (m) (cons m nil)) simple-modeline-word-count-modes)
  "Alist of modes to functions that `acdw-modeline/word-count' should dispatch.
If the cdr of the cons cell is nil, use the default function (`count-words').
Otherwise, cdr should be a function that takes two points (see `count-words')."
  :type '(alist :key-type (symbol :tag "Major-Mode")
                :value-type function)
  :group 'simple-modeline)

(defun acdw-modeline/word-count ()
  "Display a buffer word count, depending on the major mode.
Uses `acdw-modeline/word-count-modes' to determine which function to use."
  (when-let ((modefun
              (assoc major-mode acdw-modeline/word-count-modes #'equal)))
    (let ((fn (or (cdr modefun)
                  #'count-words))
          (min (if (region-active-p) (region-beginning) (point-min)))
          (max (if (region-active-p) (region-end) (point-max))))
      (format " %dW" (funcall fn min max)))))

(provide 'acdw-modeline)