-
Notifications
You must be signed in to change notification settings - Fork 5
/
colorful-mode.el
781 lines (700 loc) · 29.3 KB
/
colorful-mode.el
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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
;;; colorful-mode.el --- Preview any color in your buffer in real time -*- lexical-binding: t; -*-
;; Copyright (C) 2024 Free Software Foundation, Inc
;; Author: Elias G. Perez <eg642616@gmail.com>
;; Maintainer: Shen, Jen-Chieh <jcs090218@gmail.com>
;; Created: 2024-04-10
;; Package-Requires: ((emacs "28.1") (compat "29.1.4.4"))
;; Homepage: https://github.com/DevelopmentCool2449/colorful-mode
;; Keywords: faces, tools, matching, convenience
;; Version: 1.0.4
;; This file is part of GNU Emacs.
;; 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:
;; Minor mode for coloring color names, hex values or rgb/hsl values
;; (CSS), and more inside your buffer in real time,
;; developer-friendly and effective based on `rainbow-mode.el'
;;; Code:
;;;; Libraries
(require 'compat)
(require 'color)
(eval-when-compile
(require 'subr-x)
(require 'rx)
(require 'cl-lib))
;;;; User Options
(defgroup colorful nil
"Preview hex colors values in current buffer.."
:tag "Colorful mode"
:group 'faces
:group 'tools
:group 'matching)
(defface colorful-base
'((t (:box (:line-width -1))))
"Face used as base for highlight color names.
Only used for draw box and change font &c., changing box color and/or
background/foreground color face won't be applied.")
(defcustom colorful-html-colors-alist
'(("AliceBlue" . "#F0F8FF")
("AntiqueWhite" . "#FAEBD7")
("Aqua" . "#00FFFF")
("Aquamarine" . "#7FFFD4")
("Azure" . "#F0FFFF")
("Beige" . "#F5F5DC")
("Bisque" . "#FFE4C4")
("Black" . "#000000")
("BlanchedAlmond" . "#FFEBCD")
("Blue" . "#0000FF")
("BlueViolet" . "#8A2BE2")
("Brown" . "#A52A2A")
("BurlyWood" . "#DEB887")
("CadetBlue" . "#5F9EA0")
("Chartreuse" . "#7FFF00")
("Chocolate" . "#D2691E")
("Coral" . "#FF7F50")
("CornflowerBlue" . "#6495ED")
("Cornsilk" . "#FFF8DC")
("Crimson" . "#DC143C")
("Cyan" . "#00FFFF")
("DarkBlue" . "#00008B")
("DarkCyan" . "#008B8B")
("DarkGoldenRod" . "#B8860B")
("DarkGray" . "#A9A9A9")
("DarkGrey" . "#A9A9A9")
("DarkGreen" . "#006400")
("DarkKhaki" . "#BDB76B")
("DarkMagenta" . "#8B008B")
("DarkOliveGreen" . "#556B2F")
("Darkorange" . "#FF8C00")
("DarkOrchid" . "#9932CC")
("DarkRed" . "#8B0000")
("DarkSalmon" . "#E9967A")
("DarkSeaGreen" . "#8FBC8F")
("DarkSlateBlue" . "#483D8B")
("DarkSlateGray" . "#2F4F4F")
("DarkSlateGrey" . "#2F4F4F")
("DarkTurquoise" . "#00CED1")
("DarkViolet" . "#9400D3")
("DeepPink" . "#FF1493")
("DeepSkyBlue" . "#00BFFF")
("DimGray" . "#696969")
("DimGrey" . "#696969")
("DodgerBlue" . "#1E90FF")
("FireBrick" . "#B22222")
("FloralWhite" . "#FFFAF0")
("ForestGreen" . "#228B22")
("Fuchsia" . "#FF00FF")
("Gainsboro" . "#DCDCDC")
("GhostWhite" . "#F8F8FF")
("Gold" . "#FFD700")
("GoldenRod" . "#DAA520")
("Gray" . "#808080")
("Grey" . "#808080")
("Green" . "#008000")
("GreenYellow" . "#ADFF2F")
("HoneyDew" . "#F0FFF0")
("HotPink" . "#FF69B4")
("IndianRed" . "#CD5C5C")
("Indigo" . "#4B0082")
("Ivory" . "#FFFFF0")
("Khaki" . "#F0E68C")
("Lavender" . "#E6E6FA")
("LavenderBlush" . "#FFF0F5")
("LawnGreen" . "#7CFC00")
("LemonChiffon" . "#FFFACD")
("LightBlue" . "#ADD8E6")
("LightCoral" . "#F08080")
("LightCyan" . "#E0FFFF")
("LightGoldenRodYellow" . "#FAFAD2")
("LightGray" . "#D3D3D3")
("LightGrey" . "#D3D3D3")
("LightGreen" . "#90EE90")
("LightPink" . "#FFB6C1")
("LightSalmon" . "#FFA07A")
("LightSeaGreen" . "#20B2AA")
("LightSkyBlue" . "#87CEFA")
("LightSlateGray" . "#778899")
("LightSlateGrey" . "#778899")
("LightSteelBlue" . "#B0C4DE")
("LightYellow" . "#FFFFE0")
("Lime" . "#00FF00")
("LimeGreen" . "#32CD32")
("Linen" . "#FAF0E6")
("Magenta" . "#FF00FF")
("Maroon" . "#800000")
("MediumAquaMarine" . "#66CDAA")
("MediumBlue" . "#0000CD")
("MediumOrchid" . "#BA55D3")
("MediumPurple" . "#9370D8")
("MediumSeaGreen" . "#3CB371")
("MediumSlateBlue" . "#7B68EE")
("MediumSpringGreen" . "#00FA9A")
("MediumTurquoise" . "#48D1CC")
("MediumVioletRed" . "#C71585")
("MidnightBlue" . "#191970")
("MintCream" . "#F5FFFA")
("MistyRose" . "#FFE4E1")
("Moccasin" . "#FFE4B5")
("NavajoWhite" . "#FFDEAD")
("Navy" . "#000080")
("OldLace" . "#FDF5E6")
("Olive" . "#808000")
("OliveDrab" . "#6B8E23")
("Orange" . "#FFA500")
("OrangeRed" . "#FF4500")
("Orchid" . "#DA70D6")
("PaleGoldenRod" . "#EEE8AA")
("PaleGreen" . "#98FB98")
("PaleTurquoise" . "#AFEEEE")
("PaleVioletRed" . "#D87093")
("PapayaWhip" . "#FFEFD5")
("PeachPuff" . "#FFDAB9")
("Peru" . "#CD853F")
("Pink" . "#FFC0CB")
("Plum" . "#DDA0DD")
("PowderBlue" . "#B0E0E6")
("Purple" . "#800080")
("Red" . "#FF0000")
("RosyBrown" . "#BC8F8F")
("RoyalBlue" . "#4169E1")
("SaddleBrown" . "#8B4513")
("Salmon" . "#FA8072")
("SandyBrown" . "#F4A460")
("SeaGreen" . "#2E8B57")
("SeaShell" . "#FFF5EE")
("Sienna" . "#A0522D")
("Silver" . "#C0C0C0")
("SkyBlue" . "#87CEEB")
("SlateBlue" . "#6A5ACD")
("SlateGray" . "#708090")
("SlateGrey" . "#708090")
("Snow" . "#FFFAFA")
("SpringGreen" . "#00FF7F")
("SteelBlue" . "#4682B4")
("Tan" . "#D2B48C")
("Teal" . "#008080")
("Thistle" . "#D8BFD8")
("Tomato" . "#FF6347")
("Turquoise" . "#40E0D0")
("Violet" . "#EE82EE")
("Wheat" . "#F5DEB3")
("White" . "#FFFFFF")
("WhiteSmoke" . "#F5F5F5")
("Yellow" . "#FFFF00")
("YellowGreen" . "#9ACD32"))
"Alist of HTML colors.
Each entry should have the form (COLOR-NAME . HEXADECIMAL-COLOR)."
:type 'alist)
(defcustom colorful-extra-color-keyword-functions
'((emacs-lisp-mode . colorful-add-color-names)
((mhtml-mode html-ts-mode css-mode css-ts-mode)
. (colorful-add-rgb-colors colorful-add-hsl-colors colorful-add-color-names))
(latex-mode . colorful-add-latex-colors)
colorful-add-hex-colors)
"List of functions to add extra color keywords to `colorful-color-keywords'.
It can be a cons cell specifying the mode (or a list of modes)
e.g:
\(((`css-mode' `css-ts-mode') . `colorful-add-rgb-colors')
(`emacs-lisp-mode' . (`colorful-add-color-names'
`colorful-add-rgb-colors'))
((`text-mode' `html-mode') . (`colorful-add-color-names'
`colorful-add-rgb-colors'))
...)
Or a simple list of functions for executing wherever colorful is active:
\(`colorful-add-color-names'
`colorful-add-rgb-colors')
Available functions are:
- `colorful-add-hex-colors'
- `colorful-add-color-names'.
- `colorful-add-rgb-colors'.
- `colorful-add-hsl-colors'
- `colorful-add-latex-colors'"
:type '(repeat
(choice (cons (choice :tag "Mode(s)" symbol (repeat symbol))
(choice :tag "Function(s)" (repeat function)
function))
function)))
(defcustom colorful-allow-mouse-clicks t
"If non-nil, allow using mouse buttons for change color."
:type 'boolean)
(defcustom colorful-use-prefix nil
"If non-nil, use prefix for preview color instead highlight them."
:type 'boolean)
(defcustom colorful-prefix-string "●"
"String to be used in highlights.
Only relevant if `colorful-use-prefix' is non-nil."
:type 'string)
(defcustom colorful-prefix-alignment 'left
"The position to put prefix string.
The value can be left or right.
Only relevant if `colorful-use-prefix' is non-nil."
:type '(choice (const :tag "Left" left)
(const :tag "Right" right)))
(defcustom colorful-exclude-colors '("#def")
"List of keyword to don't highlight."
:type '(repeat string))
(defcustom colorful-short-hex-conversions 2
"If set to 2, hex values converted by colorful should be as short as possible.
Setting this to 2 will make hex values follow a 24-bit specification
and can make them inaccurate."
:type '(choice (const :tag "Short hexadecimals (24-bits)" 2)
(const :tag "Large hexadecimals" nil)))
(defcustom colorful-only-strings nil
"If non-nil colorful will only highlight colors inside strings.
If set to only-prog, only highlight colors in strings if current major
mode is derived from `prog-mode'."
:type '(choice boolean (const :tag "Only in prog-modes" only-prog)))
;;;; Internal variables
(defvar-local colorful-color-keywords nil
"Font-lock colors keyword to highlight.")
;;;; Internal Functions
;;;;; Base Conversion functions
(defun colorful--percentage-to-absolute (percentage)
"Convert PERCENTAGE to a absolute number.
If PERCENTAGE is absolute, return PERCENTAGE.
This will convert \"80 %\" to 204, \"100 %\" to 255 but \"123\" to \"123\".
If PERCENTAGE is above 100%, it's converted to 100."
(let ((percentage (string-remove-suffix ")" percentage)))
(if (seq-contains-p percentage ?%)
(/ (* (min (string-to-number percentage) 100) 255) 100)
(string-to-number percentage))))
(defun colorful--latex-rgb-to-hex (rgb)
"Return LaTeX RGB as hexadecimal format. RGB must be a string."
(and (string-match
(rx (seq "{" (or "rgb" "RGB") "}{" (zero-or-more " ")
(group (one-or-more (any digit "."))) (zero-or-more " ") "," (zero-or-more " ")
(group (one-or-more (any digit "."))) (zero-or-more " ") "," (zero-or-more " ")
(group (one-or-more (any digit "."))) (zero-or-more " ") "}"))
rgb)
(color-rgb-to-hex
(string-to-number (match-string 1 rgb))
(string-to-number (match-string 2 rgb))
(string-to-number (match-string 3 rgb)))))
(defun colorful--latex-gray-to-hex (gray)
"Return LaTex GRAY as hexadecimal format. GRAY must be a string."
(let ((gray (string-to-number (string-remove-prefix "{gray}{" gray))))
(apply #'color-rgb-to-hex (color-hsl-to-rgb 0 1 gray))))
(defun colorful--rgb-to-hex (rgb &optional digit)
"Return CSS RGB as hexadecimal format.
DIGIT specifies which how much digits per component must have return value.
RGB must be a string."
(if-let* ((rgb (string-split
(if (string-prefix-p "rgb(" rgb)
(string-remove-prefix "rgb(" rgb)
(string-remove-prefix "rgba(" rgb))
(rx (one-or-more (any "," " " "\t" "\n" "\r" "\v" "\f")))))
(r (and (nth 0 rgb) (/ (colorful--percentage-to-absolute (nth 0 rgb)) 255.0)))
(g (and (nth 1 rgb) (/ (colorful--percentage-to-absolute (nth 1 rgb)) 255.0)))
(b (and (nth 2 rgb) (/ (colorful--percentage-to-absolute (nth 2 rgb)) 255.0))))
(color-rgb-to-hex r g b digit)))
(defun colorful--hsl-to-hex (hsl &optional digit)
"Return HSL RGB as hexadecimal format.
DIGIT specifies which how much digits per component must have return value.
HSL must be a string."
(if-let* ((hsl (string-split
(if (string-prefix-p "hsl(" hsl)
(string-remove-prefix "hsl(" hsl)
(string-remove-prefix "hsla(" hsl))
(rx (one-or-more (any "," " " "\t" "\n""\r" "\v" "\f")))))
(h (and (nth 0 hsl) (/ (string-to-number (nth 0 hsl)) 360.0)))
(s (and (nth 1 hsl) (/ (string-to-number (nth 1 hsl)) 100.0)))
(l (and (nth 2 hsl) (/ (string-to-number (nth 2 hsl)) 100.0)))
(rgb (append (color-hsl-to-rgb h s l) `(,digit))))
(apply #'color-rgb-to-hex rgb)))
(defun colorful--hex-to-name (hex)
"Return HEX as Emacs color name."
(catch 'name
(dolist (color-list color-name-rgb-alist)
(if (equal (cdr color-list) (color-values hex))
(throw 'name (car color-list))))))
(defun colorful--name-to-hex (name &optional digit)
"Return color NAME as hex color format.
DIGIT specifies which how much digits per component must have return value."
(if-let* ((color-name (color-name-to-rgb name))
(color (append color-name (list digit))))
(apply #'color-rgb-to-hex color)
(cdr (assoc-string name colorful-html-colors-alist))))
;;;;; User Interactive Functions
;;;###autoload
(defun colorful-convert-and-change-color ()
"Convert color to a valid format and replace color at current cursor position."
(interactive "*")
(if-let* ((colorful-ov (catch 'val
(dolist (ov (overlays-at (point)))
(if (overlay-get ov 'colorful--overlay)
(throw 'val ov)))))
(result (colorful--change-color colorful-ov "Change '%s' to: "))
(range (cdr result))
(text (car result)))
(save-excursion
(apply #'delete-region range)
(insert text))
(user-error "No color found")))
;;;###autoload
(defun colorful-convert-and-copy-color ()
"Convert color to a valid format and copy it at current cursor position."
(interactive)
(if-let* ((colorful-ov (catch 'val
(dolist (ov (overlays-at (point)))
(if (overlay-get ov 'colorful--overlay)
(throw 'val ov)))))
(result (car (colorful--change-color colorful-ov "Copy '%s' as: ")))
(color (if (color-defined-p result)
(propertize result 'face
`(:background
,result
:foreground
,(color-name-to-rgb result)))
result))
(text (format "`%s' copied." color)))
(progn (kill-new color)
(message text))
(user-error "No color found")))
;;;###autoload
(defun colorful-change-or-copy-color ()
"Change or copy color to a converted format at current cursor position."
(interactive)
(let* ((prompt "Please type an option: ")
(choices '(("Convert and change color." . convert)
("Convert and copy color." . copy)))
(result (alist-get
(completing-read prompt choices nil t nil nil)
choices nil nil #'equal)))
(if (eq result 'copy)
(colorful-convert-and-copy-color)
(colorful-convert-and-change-color))))
;;;;; Coloring functions
(defun colorful--change-color (ov &optional prompt color beg end)
"Return COLOR as other color format.
This return a list which contain the text to be replaced,
beginning and end where should be inserted.
COLOR, BEG, and END are only used as internal values, not intended to
be used externally. OV must be an overlay.
PROMPT must be a string with 1 format control (generally a string argument)."
(let* ((beg (or beg (overlay-start ov)))
(end (or end (overlay-end ov)))
(color (or color (buffer-substring-no-properties beg end)))
(prompt (format prompt color))
(choices '(("Hexadecimal color format" . hex)
("Emacs color name" . name)))
(choice (alist-get
(completing-read prompt choices nil t nil nil)
choices nil nil 'equal)))
(pcase choice ; Convert to...
('hex
(if (not (string-prefix-p "#" color)) ; Ensure is not already a hex
(cond
;; Is Name?
((or (member color (defined-colors))
(assoc-string color colorful-html-colors-alist))
(list (colorful--name-to-hex
color colorful-short-hex-conversions)
beg end))
;; Is CSS rgb?
((string-match-p (rx (one-or-more "rgb" (opt "a") "(")) color)
(list (colorful--rgb-to-hex
color colorful-short-hex-conversions)
beg end))
;; Is HSL?
((string-match-p (rx (one-or-more "hsl" (opt "a") "(")) color)
(list (colorful--hsl-to-hex
color colorful-short-hex-conversions)
beg end)))
(colorful--change-color ov "%s is already a Hex color. Try again: "
color beg end)))
('name
(if (not (assoc-string color color-name-rgb-alist))
(cond
;; Is Hex?
((string-prefix-p "#" color)
(if-let ((rep (colorful--hex-to-name color)))
(list rep beg end)
(user-error "No color name available")
nil))
;; Is CSS rgb?
((string-match-p (rx (one-or-more "rgb" (opt "a") "(")) color)
(if-let ((rep (colorful--hex-to-name (colorful--rgb-to-hex
color colorful-short-hex-conversions))))
(list rep beg end)
(user-error "No color name available")))
;; Is HSL?
((string-match-p (rx (one-or-more "hsl" (opt "a") "(")) color)
(if-let ((rep (colorful--hex-to-name (colorful--hsl-to-hex
color colorful-short-hex-conversions))))
(list rep beg end)
(user-error "No color name available"))))
(colorful--change-color
ov "%s is already a color name. Try again: " color beg end))))))
(defun colorful--delete-overlay (overlay &rest _)
"Helper function for delete OVERLAY."
(delete-overlay overlay))
(defun colorful--colorize-match (color beg end)
"Overlay match with a face from BEG to END.
The background uses COLOR color value. The foreground is obtained
bu `readable-foreground-color' and it can be white or black."
;; Delete duplicates overlays found
(dolist (ov (overlays-in beg end))
(if (overlay-get ov 'colorful--overlay)
(colorful--delete-overlay ov)))
(when-let* (color
(ov (make-overlay beg end nil t t))
(map (make-sparse-keymap)))
(if colorful-allow-mouse-clicks
(keymap-set map "<mouse-1>" (if buffer-read-only
#'colorful-convert-and-copy-color
#'colorful-change-or-copy-color)))
;; Define colorful overlay tag
(overlay-put ov 'colorful--overlay t)
;; Delete overlays when they are modified.
;; This refresh them with without using `jit-lock-register' or
;; any other hook.
(overlay-put ov 'evaporate t)
(overlay-put ov 'modification-hooks '(colorful--delete-overlay))
(overlay-put ov 'insert-in-front-hooks '(colorful--delete-overlay))
(overlay-put ov 'insert-behind-hooks '(colorful--delete-overlay))
(cond
(colorful-use-prefix
(overlay-put ov
(if (eq colorful-prefix-alignment 'left)
'before-string
'after-string)
(if colorful-allow-mouse-clicks
(propertize colorful-prefix-string
'face `(:foreground ,color)
'mouse-face 'highlight
'keymap map)
(propertize colorful-prefix-string
'face `(:foreground ,color))))
;; Use no face for matched color
(overlay-put ov 'face nil))
(t
(when colorful-allow-mouse-clicks
(overlay-put ov 'mouse-face 'highlight)
(overlay-put ov 'keymap map))
(overlay-put ov 'face
`((:foreground ,(readable-foreground-color color))
(:background ,color)
(:inherit colorful-base)))))))
(defun colorful--colorize (&optional match)
"Helper function for Colorize MATCH with itself.
If MATCH is not any hex color or Emacs color name, it will be
converted to a Hex color."
(when-let* ((match (or match 0))
(string (match-string-no-properties match))
((and (not (member string colorful-exclude-colors)) ; Check if color isn't excluded
(or (and colorful-only-strings (nth 3 (syntax-ppss)))
(and (eq colorful-only-strings 'only-prog)
(or (derived-mode-p 'css-mode) ; Apparently CSS is prog-mode derived
(not (derived-mode-p 'prog-mode))))
(not colorful-only-strings))))
(beg (match-beginning match))
(end (match-end match)))
(cond
((assoc-string string colorful-html-colors-alist)
(setq string (cdr (assoc-string string colorful-html-colors-alist))))
((string-match-p (rx (one-or-more "rgb" (opt "a") "(")) string)
(setq string (colorful--rgb-to-hex string)))
((string-match-p (rx (one-or-more "hsl" (opt "a") "(")) string)
(setq string (colorful--hsl-to-hex string)))
((string-prefix-p "{rgb}{" string)
(setq string (colorful--latex-rgb-to-hex string)))
((string-prefix-p "{RGB}{" string)
(setq string (colorful--rgb-to-hex
(string-remove-prefix "{RGB}{" string))))
((string-prefix-p "{HTML}{" string)
(setq string (concat "#" (string-remove-suffix
"}" (string-remove-prefix "{HTML}{" string)))))
((string-prefix-p "{gray}{" string)
(setq string (colorful--latex-gray-to-hex string))))
(colorful--colorize-match string beg end)))
;;;; Extra coloring definitions
(defvar colorful-hex-font-lock-keywords
`((,(rx (seq (not (any "&"))
(group "#" (repeat 1 4 (= 3 (any "0-9A-Fa-f"))))
word-boundary))
(1 (colorful--colorize 1)))
(,(rx (seq bol
(group "#" (repeat 1 4 (= 3 (any "0-9A-Fa-f"))))
word-boundary))
(0 (colorful--colorize)))
(,(rx (seq (any "Rr") (any "Gg") (any "Bb") ":"
(repeat 1 4 (any "0-9A-Fa-f")) "/"
(repeat 1 4 (any "0-9A-Fa-f")) "/"
(repeat 1 4 (any "0-9A-Fa-f"))))
(0 (colorful--colorize)))
(,(rx (seq (any "Rr") (any "Gg") (any "Bb") (any "Ii") ":"
(one-or-more (any digit ".")) "/"
(one-or-more (any digit ".")) "/"
(one-or-more (any digit "."))))
(0 (colorful--colorize)))
(,(rx (seq (or (seq (any "Cc") (any "Ii") (any "Ee")
(or (seq (any "Xx") (any "Yy") (any "Zz"))
(seq (any "Uu") (any "Vv") (any "Yy"))
(seq (any "Xx") (any "Yy") (any "Yy"))
(seq (any "Ll") (any "Aa") (any "Bb"))
(seq (any "Ll") (any "Uu") (any "Vv"))))
(seq (any "Tt") (any "Ee") (any "Kk") (any "Hh")
(any "Vv") (any "Cc")))
":"
(opt (any "+-"))
(one-or-more (any digit "."))
(opt (any "Ee")
(opt (any "+-"))
(one-or-more (any digit)))
"/"
(opt (any "+-"))
(one-or-more (any digit "."))
(opt (any "Ee")
(opt (any "+-"))
(one-or-more (any digit)))
"/"
(opt (any "+-"))
(one-or-more (any digit "."))
(opt (any "Ee")
(opt (any "+-"))
(one-or-more (any digit)))))
(0 (colorful--colorize))))
"Font-lock keywords to add Hexadecimal color.")
;;;###autoload
(defun colorful-add-hex-colors ()
"Function for add hex colors to `colorful-color-keywords'.
This is intended to be used with `colorful-extra-color-keyword-functions'."
(dolist (colors colorful-hex-font-lock-keywords)
(cl-pushnew colors colorful-color-keywords)))
(defvar colorful-color-name-font-lock-keywords
`((,(regexp-opt (append
(defined-colors)
(mapcar #'car colorful-html-colors-alist))
'words)
(0 (colorful--colorize))))
"Font-lock keywords to add color names.")
;;;###autoload
(defun colorful-add-color-names ()
"Function for add Color names to `colorful-color-keywords'.
This is intended to be used with `colorful-extra-color-keyword-functions'."
(dolist (colors colorful-color-name-font-lock-keywords)
(cl-pushnew colors colorful-color-keywords)))
(defvar colorful-rgb-font-lock-keywords
`((,(rx (seq "rgb" (opt "a") "(" (zero-or-more " ")
(group (repeat 1 3 (any digit))
(opt "." (any digit)
(zero-or-more " ") "%"))
(zero-or-more " ") (opt ",") (zero-or-more " ")
(group (repeat 1 3 (any digit))
(opt "." (any digit)
(zero-or-more " ") "%"))
(zero-or-more " ") (opt ",") (zero-or-more " ")
(group (repeat 1 3 (any digit))
(opt "." (any digit)
(zero-or-more " ") "%"))
(opt
(zero-or-more " ") (opt ",") (zero-or-more " ")
(zero-or-more (any digit)) (opt nonl)
(one-or-more (any digit))
(zero-or-more " ")
(opt "%"))
(zero-or-more " ") ")"))
(0 (colorful--colorize))))
"Font-lock keywords for add RGB colors.")
;;;###autoload
(defun colorful-add-rgb-colors ()
"Function for add CSS RGB colors to `colorful-color-keywords'.
This is intended to be used with `colorful-extra-color-keyword-functions'."
(dolist (colors colorful-rgb-font-lock-keywords)
(cl-pushnew colors colorful-color-keywords)))
(defvar colorful-hsl-font-lock-keywords
`((,(rx (seq "hsl" (opt "a") "(" (zero-or-more " ")
(group (repeat 1 3 (any digit))) (opt "deg")
(zero-or-more " ") (opt ",") (zero-or-more " ")
(group (repeat 1 3 (any digit)) "%") (opt "deg")
(zero-or-more " ") (opt ",") (zero-or-more " ")
(group (repeat 1 3 (any digit)) "%") (opt "deg")
(opt
(zero-or-more " ") (opt ",") (zero-or-more " ")
(zero-or-more (any digit)) (opt nonl)
(one-or-more (any digit))
(zero-or-more " ")
(opt "%"))
(zero-or-more " ") ")"))
(0 (colorful--colorize))))
"Font-lock keywords for add HSL colors.")
;;;###autoload
(defun colorful-add-hsl-colors ()
"Function for add CSS HSL colors.
This is intended to be used with `colorful-extra-color-keyword-functions'."
(dolist (colors colorful-hsl-font-lock-keywords)
(cl-pushnew colors colorful-color-keywords)))
(defvar colorful-latex-keywords
`((,(rx (seq "{" (or "rgb" "RGB") "}{" (zero-or-more " ")
(group (one-or-more (any digit "."))) (zero-or-more " ") "," (zero-or-more " ")
(group (one-or-more (any digit "."))) (zero-or-more " ") "," (zero-or-more " ")
(group (one-or-more (any digit "."))) (zero-or-more " ") "}"))
(0 (colorful--colorize)))
(,(rx (seq "{HTML}{" (group (= 6 (any "0-9A-Fa-f"))) "}"))
(0 (colorful--colorize)))
(,(rx (seq "{gray}{" (group (one-or-more (any digit "."))) "}"))
(0 (colorful--colorize))))
"Font-lock keywords for add LaTex rgb/RGB/HTML/Grey colors.")
;;;###autoload
(defun colorful-add-latex-colors ()
"Function for add LaTex rgb/RGB/HTML/Grey colors.
This is intended to be used with `colorful-extra-color-keyword-functions'."
(dolist (colors colorful-latex-keywords)
(cl-pushnew colors colorful-color-keywords)))
;;;; Minor mode definitions
(defun colorful--turn-on ()
"Helper function for turn on `colorful-mode'."
;; Execute keyword functions before add them to font-lock keywords.
(dolist (fn colorful-extra-color-keyword-functions)
(cond
((and (listp fn)
(derived-mode-p (car fn)))
(if (listp (cdr fn))
(dolist (fn-list (cdr fn))
(funcall fn-list))
(funcall (cdr fn))))
((functionp fn)
(funcall fn))))
(font-lock-add-keywords nil colorful-color-keywords))
(defun colorful--turn-off ()
"Helper function for clear colorful overlays."
(font-lock-remove-keywords nil `(,@colorful-color-keywords))
(remove-overlays nil nil 'colorful--overlay t))
;;;; Keymap
(defvar-keymap colorful-mode-map
:doc "Keymap for `colorful-mode'."
"C-x c x" #'colorful-change-or-copy-color
"C-x c c" #'colorful-convert-and-copy-color
"C-x c r" #'colorful-convert-and-change-color)
;;;###autoload
(define-minor-mode colorful-mode
"Preview any color in your buffer such as hex, color names, CSS rgb in real time."
:global nil
(if colorful-mode
(colorful--turn-on)
(colorful--turn-off))
;; Refresh font-lock
(font-lock-flush))
;; Silence a byte-compile warning about global-colorful-modes not
;; being defined, if anyone knows why this happens please send a
;; patch.
(defvar global-colorful-modes)
;;;###autoload
(defun turn-on-colorful-mode ()
"Turn on `colorful-mode' mode if the current buffer."
(unless colorful-mode
(colorful-mode t)))
;;;###autoload
(define-globalized-minor-mode global-colorful-mode
colorful-mode turn-on-colorful-mode
:predicate '(mhtml-mode html-ts-mode latex-mode prog-mode))
(provide 'colorful-mode)
;;; colorful-mode.el ends here