blob: 77bd49a4663f08667c5958f1fad1298e408828ce (
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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
;;; jao-minibuffer.el --- using the minibuffer to report status -*- lexical-binding: t; -*-
;; Copyright (C) 2020, 2021, 2022, 2024 jao
;; Author: jao <mail@jao.io>
;; Keywords: extensions
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Simple asynchronous display of information in the minibuffer.
;;; Code:
(defvar jao-minibuffer-info ())
(defvar jao-minibuffer-msg-info '(""))
(defvar jao-minibuffer-align-right t)
(defvar jao-minibuffer-adaptive-alignment t)
(defvar jao-minibuffer-right-margin (if window-system 0 1))
(defvar jao-minibuffer-maximized-frames-p t)
(defvar jao-minibuffer-frame-width nil)
(defvar jao-minibuffer-active-buffer-line-color "azure4")
(defvar jao-minibuffer-inactive-buffer-line-color "grey25")
(defvar jao-minibuffer-inhibit nil)
(defconst jao-minibuffer--name " *Minibuf-0*")
(defun jao-minibuffer--trim (s w)
(if (< (string-width (or s "")) w)
(format (format "%%%ds" (if jao-minibuffer-align-right w (- w))) s)
(substring s 0 w)))
(defun jao-minibuffer--width ()
(cond ((numberp jao-minibuffer-frame-width) jao-minibuffer-frame-width)
(jao-minibuffer-maximized-frames-p (frame-width))
(t (min (frame-width) (window-width (minibuffer-window))))))
(defun jao-minibuffer--format-info (&optional info)
(let* ((info (or info jao-minibuffer-info))
(info (if jao-minibuffer-align-right info (reverse info))))
(mapconcat #'string-trim
(seq-remove #'string-blank-p (mapcar 'format-mode-line info))
" ")))
(defun jao-minibuffer--aligned (w)
(let* ((msg (jao-minibuffer--format-info))
(msg (cond (jao-minibuffer-align-right (string-trim msg))
(t (string-trim-left msg)))))
(unless (string-empty-p msg)
(let ((msg (propertize msg 'minibuffer-message t))
(w (- (jao-minibuffer--width) w jao-minibuffer-right-margin)))
(if (> w 0) (jao-minibuffer--trim msg w) "")))))
(defun jao-minibuffer--insert (msg)
(with-current-buffer jao-minibuffer--name
(delete-region (point-min) (point-max))
(insert msg)))
(defun jao-minibuffer--strip-prev (msg)
(if-let ((n (text-property-any 0 (length msg) 'minibuffer-message t msg)))
(string-trim (substring msg 0 n))
msg))
(defun jao-minibuffer--prefix (msgs)
(when-let (p (string-join (butlast msgs) "\n"))
(unless (string-blank-p p) (concat p "\n"))))
(defun jao-minibuffer--format-msg (msg)
(let* ((msgs (mapcar #'jao-minibuffer--strip-prev (split-string msg "\n" t)))
(msgs (cl-remove-if (lambda (s) (get-text-property 0 'invisible s)) msgs))
(prefix (jao-minibuffer--prefix msgs))
(msg (or (car (last msgs)) ""))
(w (string-width msg)))
(if jao-minibuffer-align-right
(concat prefix msg (jao-minibuffer--aligned w))
(concat prefix (jao-minibuffer--aligned (+ 3 w)) " " msg))))
(defun jao-minibuffer--set-message (msg)
(when jao-minibuffer-mode
(or (and (string= jao-minibuffer--name (or (buffer-name) "")) msg)
jao-minibuffer-inhibit
(let* ((info (and jao-minibuffer-msg-info
(jao-minibuffer--format-info jao-minibuffer-msg-info)))
(info (or (and info msg (propertize info 'face 'jao-themes-dimm))
info))
(sep (if msg " - " ""))
(pref (when info
(let ((len (+ (length info) (length sep))))
(format (format "\n%%%ds" len) ""))))
(msg (if (and msg pref)
(replace-regexp-in-string "\n" pref msg)
msg))
(left (if jao-minibuffer-align-right info (or msg "")))
(right (if jao-minibuffer-align-right (or msg "") info))
(msg (or (if info (format "%s%s%s" left sep right) msg) "")))
(if cursor-in-echo-area msg (jao-minibuffer--format-msg msg))))))
(defun jao-minibuffer--clear-message ()
(let ((jao-minibuffer-inhibit nil))
(or (jao-minibuffer--insert (jao-minibuffer--set-message nil)) t)))
(setq set-message-function #'jao-minibuffer--set-message)
(defun jao-minibuffer--add-variable (list-name variable-name &optional order)
(let ((v `(:eval ,variable-name)))
(set list-name (remove v (symbol-value list-name)))
(add-to-ordered-list list-name v order)))
(defun jao-minibuffer--adjust-alignment (&rest _)
(when jao-minibuffer-adaptive-alignment
(setq jao-minibuffer-align-right
(< (or (car (window-absolute-pixel-edges)) 0)
(/ (or (cadr (assoc 'outer-size (frame-geometry))) 0) 2))))
(jao-minibuffer-refresh))
(defun jao-minibuffer-add-variable (variable-name &optional order)
(jao-minibuffer--add-variable 'jao-minibuffer-info variable-name order))
(defun jao-minibuffer-add-msg-variable (variable-name &optional order)
(jao-minibuffer--add-variable 'jao-minibuffer-msg-info variable-name order))
(defun jao-minibuffer-remove-variable (variable-name)
(let ((v `(:eval ,variable-name)))
(setq jao-minibuffer-info (remove v jao-minibuffer-info))
(setq jao-minibuffer-msg-info (remove v jao-minibuffer-msg-info))))
(define-minor-mode jao-minibuffer-mode
"Show minibuffer status"
:global t :lighter "" :group 'jao
(if jao-minibuffer-mode
(progn ;; (advice-add 'select-window :after #'jao-minibuffer-refresh)
(advice-add 'select-window :after #'jao-minibuffer--adjust-alignment)
(advice-add 'force-mode-line-update :after #'jao-minibuffer-refresh)
(setq clear-message-function #'jao-minibuffer--clear-message)
(jao-minibuffer-refresh))
(advice-remove 'select-window #'jao-minibuffer-refresh)
(advice-remove 'force-mode-line-update #'jao-minibuffer-refresh)
(setq clear-message-function nil)
(jao-minibuffer--insert "")))
(defun jao-minibuffer-refresh (&rest _ignore)
(interactive)
(when jao-minibuffer-mode
(let ((jao-minibuffer-mode nil)
(msg (when jao-minibuffer-msg-info
(jao-minibuffer--format-info jao-minibuffer-msg-info))))
(jao-minibuffer--insert (jao-minibuffer--format-msg (or msg ""))))))
(defun jao-minibuffer-toggle-adaptive-alignment ()
(interactive)
(setq jao-minibuffer-adaptive-alignment
(not jao-minibuffer-adaptive-alignment))
(jao-minibuffer-refresh))
(provide 'jao-minibuffer)
;;; jao-minibuffer.el ends here
|
