forked from scrooloose/vimfiles
-
Notifications
You must be signed in to change notification settings - Fork 1
/
ColorSchemeMenuMaker.vim
466 lines (427 loc) · 11.8 KB
/
ColorSchemeMenuMaker.vim
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
" theme.menu.vim: Generates Vim themes menu and organizes themes based
" upon background colors
" Maintainer: Erik Falor <rAjsBnFCybe@tzNnvy.Zpbz g?? - NOSPAM>
" Date: Aug 30, 2007
" Version: 0.4
"
" Initialization: {{{
if exists("g:loaded_theme_menu") || &cp
finish
endif
let g:loaded_theme_menu= "0.4"
let s:keepcpo = &cpo
set cpo&vim
"}}}
" Script Variables: {{{
let s:menuFile = strpart(&rtp, 0, stridx(&rtp, ',')) . '/plugin/ColorSchemes.vim'
let s:menuName = '&ColorSchemes'
let s:xdigit = '[0123456789ABCDEFabcdef]'
let s:hexvals = { 0:0, 1:1, 2:2, 3:3,
\4:4, 5:5, 6:6, 7:7,
\8:8, 9:9, 'a':10, 'b':11,
\'c':12, 'd':13, 'e':14, 'f':15,
\'A':10, 'B':11, 'C':12, 'D':13,
\'E':14, 'F':15 }
"}}}
" Library Functions {{{
function! <SID>RGBtoHSV(r, g, b) "{{{
let h = 0
let s = 0
let v = 0
if (a:b > a:g) && (a:b > a:r)
let v = a:b
if v != 0
let min = 0
if(a:r > a:g)
let min = a:g
else
let min = a:r
endif
let delta = v - min
if delta != 0
let s = (delta * 255) / v
let h = 240 + (60 * a:r - 60 * a:g) / delta
else
let s = 0
let h = 240 + (60 * a:r - 60 * a:g)
endif
if h < 0
let h = h + 360
endif
else
let s = 0
let h = 0
endif
elseif a:g > a:r
let v = a:g
if v != 0
let min = 0
if a:r > a:b
let min = a:b
else
let min = a:r
endif
let delta = v - min
if delta != 0
let s = (delta * 255) / v
let h = 120 + (60 * a:b - 60 * a:r) / delta
else
let s = 0
let h = 120 + (60 * a:b - 60 * a:r)
endif
if h < 0
let h = h + 360
endif
else
let s = 0
let h = 0
endif
else
let v = a:r
if v != 0
let min = 0
if a:g > a:b
let min = a:b
else
let min = a:g
endif
let delta = v - min
if delta != 0
let s = (delta * 255) / v
let h = (60 * a:g - 60 * a:b) / delta
else
let s = 0
let h = 60 * a:g - 60 * a:b
endif
if h < 0
let h = h + 360
endif
else
let s = 0
let h = 0
endif
endif
return [h, s, v]
endfunction "RGBtoHSV()
"}}}
function! <SID>IsBlack(r, g, b, h, s, v) "{{{
if a:r == a:g && a:g == a:b && a:b == 0
return 1
else
return 0
endif
endfunction "IsBlack()}}}
function! <SID>IsWhite(r, g, b, h, s, v) "{{{
if a:r == a:g && a:g == a:b && a:b == 255
return 1
else
return 0
endif
endfunction "IsWhite()}}}
function! <SID>IsDarkGrey(r, g, b, h, s, v) "{{{
let diffRGB = max([a:r, a:g, a:b]) - min([a:r, a:g, a:b])
let darkGreyFuzz = 20
if diffRGB <= darkGreyFuzz
return 1
else
return 0
endif
endfunction "IsDarkGrey()}}}
function! <SID>IsOffWhite(r, g, b, h, s, v) "{{{
let offWhiteSat = 32
let offWhiteVal = 255 - 32
if a:v >= offWhiteVal && a:s <= offWhiteSat
return 1
else
return 0
endif
endfunction "}}}
function! <SID>IsGrey(r, g, b, h, s, v) "{{{
let diffRGB = max([a:r, a:g, a:b]) - min([a:r, a:g, a:b])
let greyFuzz = 28
let greyVal = 32
if diffRGB > greyFuzz
return 0
elseif (a:s <= greyFuzz )
\&& (a:v <= 255 - (greyVal * 1))
\&& (a:v >= 0 + (greyVal * 1))
return 1
else
return 0
endif
endfunction "}}}
function! <SID>IsYellow(r, g, b, h, s, v) "{{{
if a:h > 30 && a:h <= 90
return 1
else
return 0
endif
endfunction "}}}
function! <SID>IsGreen(r, g, b, h, s, v) "{{{
if a:h > 90 && a:h <= 180
return 1
else
return 0
endif
endfunction "}}}
function! <SID>IsCyan(r, g, b, h, s, v) "{{{
" cyan will be 180 deg +/- 10 deg
let variance = 10
if a:h > 180 - variance && a:h < 180 + variance
return 1
else
return 0
endif
endfunction "}}}
function! <SID>IsBlue(r, g, b, h, s, v) "{{{
if a:h > 180 && a:h <= 270
return 1
else
return 0
endif
endfunction "}}}
function! <SID>IsMagenta(r, g, b, h, s, v) "{{{
if a:h > 270 && a:h <= 330
return 1
else
return 0
endif
endfunction }}}
function! <SID>IsOrange(r, g, b, h, s, v) "{{{
"a magic number found through trial and error
let greenFuzz = 172
if a:r > a:g && a:b == 0 && a:g < greenFuzz && a:g != 0
return 1
else
return 0
endif
endfunction "}}}
function! <SID>IsRed(r, g, b, h, s, v) "{{{
if a:h > 330 || a:h <= 30
return 1
else
return 0
endif
endfunction "}}}
function! <SID>RgbTxt2Hexes() "{{{
"read rgb.txt, return dictionary mapping color names to hex triplet
if exists("g:rgbtxt") && filereadable(g:rgbtxt)
let rgbtxt = g:rgbtxt
else
if has("win32") || has("win64")
let rgbtxt = expand("$VIMRUNTIME/rgb.txt")
elseif filereadable("/usr/X11R6/lib/X11/rgb.txt")
let rgbtxt = "/usr/X11R6/lib/X11/rgb.txt"
elseif filereadable("/usr/share/X11/rgb.txt")
let rgbtxt = "/usr/share/X11/rgb.txt"
endif
endif
let rgbdict = {}
if filereadable(rgbtxt)
for line in readfile(rgbtxt)
if line !~ '^\(!\|#\)'
let l = matchlist(line, '\s*\(\d\+\)\s*\(\d\+\)\s*\(\d\+\)\s*\(.*\)')
let rgbdict[tolower(l[4])] = printf('%02X%02X%02X', l[1], l[2], l[3])
endif
endfor
"note: vim treats guibg=NONE as guibg=white
let rgbdict['none'] = 'FFFFFF'
else
echoerr "ColorSchemeMenuMaker.vim could not open rgb.txt file at " . rgbtxt
endif
return rgbdict
endfunction "}}}
function! <SID>RGBHexToHexes(rgb) "{{{
let xdigits = '\(' . s:xdigit . '\{2\}\)'
let pat = '\(#\)\?' . xdigits . xdigits . xdigits
let l = matchlist(a:rgb, pat)
if len(l) > 0
return [ l[2], l[3], l[4] ]
else
return []
endif
endfunction "}}}
function! <SID>RGBHexToInts(rgbList) "{{{
return map(a:rgbList, '<SID>Hex2Int(v:val)')
endfunction "}}}
function! <SID>Hex2Int(hex) "{{{
let xdigits = split(a:hex, '\zs')
return 16 * s:hexvals[xdigits[0]] + s:hexvals[xdigits[1]]
endfunction "}}}
function! <SID>RGB2BoyColor(rgb) "{{{
let rgbL = <SID>RGBHexToInts(<SID>RGBHexToHexes(a:rgb))
let r = rgbL[0] | let g = rgbL[1] | let b = rgbL[2]
let hsvL = <SID>RGBtoHSV(r, g, b)
let h = hsvL[0] | let s = hsvL[1] | let v = hsvL[2]
if <SID>IsBlack(r, g, b, h, s, v) == 1 | return 'black' | endif
if <SID>IsWhite(r, g, b, h, s, v) == 1 | return 'white' | endif
if <SID>IsGrey(r, g, b, h, s, v) == 1 | return 'grey' | endif
if <SID>IsOffWhite(r, g, b, h, s, v) == 1 | return 'offwhite' | endif
if <SID>IsDarkGrey(r, g, b, h, s, v) == 1 | return 'darkgrey' | endif
if <SID>IsOrange(r, g, b, h, s, v) == 1 | return 'orange' | endif
if <SID>IsYellow(r, g, b, h, s, v) == 1 | return 'yellow' | endif
if <SID>IsCyan(r, g, b, h, s, v) == 1 | return 'cyan' | endif
if <SID>IsGreen(r, g, b, h, s, v) == 1 | return 'green' | endif
if <SID>IsBlue(r, g, b, h, s, v) == 1 | return 'blue' | endif
if <SID>IsMagenta(r, g, b, h, s, v) == 1 | return 'magenta' | endif
if <SID>IsRed(r, g, b, h, s, v) == 1 | return 'red' | endif
return 'unknown'
endfunction "}}}
function! <SID>GlobThemes() "{{{
"return list containing paths to all theme files in &runtimepath
return split(globpath(&rtp, 'colors/*.vim'), '\n')
endfunction "}}}
function! <SID>ScanThemeBackground() "{{{
"Read each of the theme files and find out which color
"each theme 'basically' is. Uses the last 'hi Normal'
"group found to classify by color. Notes those color
"files that do have more than one 'hi Normal' command.
let name2hex = <SID>RgbTxt2Hexes()
let themeColors = {}
let themeNames = {}
let i = 0
let pat = 'hi.*\s\+Normal\s\+.\{-}guibg=\(#\?\)\(\w\+\)'
for theme in <SID>GlobThemes()
if filereadable(theme)
"DEBUG
"let i = i + 1
"if i > 10
"break
"endif
let higroupfound = 0
let color = ''
for line in readfile(theme)
let bg = matchlist(line, pat)
if len(bg) > 0
if bg[1] == '#'
let color = <SID>RGB2BoyColor(bg[2])
else
if has_key(name2hex, tolower(bg[2]))
let color = <SID>RGB2BoyColor(name2hex[tolower(bg[2])])
else
let color = 'unknown'
endif
endif
let higroupfound += 1
endif
endfor
let themename = fnamemodify(theme, ':t:r')
let letter = toupper(strpart(themename, 0, 1))
if letter =~ '\d' | let letter = '#' | endif
if len(color) < 1
let color = 'unknown'
endif
"allocate sub-dict if needed
if !has_key(themeColors, color)
let themeColors[color] = {}
endif
"allocate sub-dict if needed
if !has_key(themeNames, letter)
let themeNames[letter] = {}
endif
if higroupfound > 1
"mark themes with many 'hi Normal' commands
if len(color) > 0
let themeColors[color][themename] = '*' . themename
endif
let themeNames[letter][themename] = '*' . themename
else
if len(color) > 0
let themeColors[color][themename] = themename
endif
let themeNames[letter][themename] = themename
endif
endif
endfor
return [themeColors, themeNames]
endfunction "}}}
function! <SID>BuildMenu(dicts) "{{{
"puts menu commands into a list
let menu = []
call add(menu, '"ColorScheme menu generated ' . strftime("%c", localtime()))
call add(menu, '')
call add(menu, '"Themes by color:')
call add(menu, '')
"count number of themes categorized by color
let totThemes = 0
for i in keys(a:dicts[0])
let totThemes += len(a:dicts[0][i])
endfor
for color in sort(keys(a:dicts[0]))
let numThemes = len(a:dicts[0][color])
call add(menu, '')
call add(menu, '"submenu '. color)
for theme in sort(keys(a:dicts[0][color]))
call add(menu, '9000amenu '. s:menuName. '.&Colors\ ('. totThemes . ').'
\. color . '\ ('. numThemes . ').'
\. a:dicts[0][color][theme]. ' :colo '. theme . '<CR>')
endfor
endfor
call add(menu, '"Themes by name:')
call add(menu, '')
"count number of themes categorized by name
let totThemes = 0
for i in keys(a:dicts[1])
let totThemes += len(a:dicts[1][i])
endfor
for letter in sort(keys(a:dicts[1]))
let numThemes = len(a:dicts[1][letter])
call add(menu, '')
call add(menu, '"submenu '. letter)
for theme in sort(keys(a:dicts[1][letter]))
call add(menu, 'amenu '. s:menuName. '.&Names\ (' . totThemes . ').'
\. letter . '\ ('. numThemes .').'
\. a:dicts[1][letter][theme] . ' :colo '. theme . '<CR>')
endfor
endfor
call add(menu, '')
"add a separator and a command to re-init the menu
call add(menu, 'amenu ' . s:menuName .'.-Sep- :')
call add(menu, 'amenu ' . s:menuName .'.Reload\ Menu :ReloadColors<CR>')
call add(menu, 'amenu ' . s:menuName .'.Refresh\ Menu :RefreshColors<CR>')
call add(menu, '')
call add(menu, 'command! -nargs=0 ReloadColors call <SID>ReloadColors()')
call add(menu, 'command! -nargs=0 RefreshColors call <SID>RefreshColors()')
call add(menu, '')
call add(menu, 'if !exists("g:running_ReloadColors")')
call add(menu, ' function! <SID>ReloadColors()')
call add(menu, ' let g:running_ReloadColors = 1')
call add(menu, ' aunmenu ' . s:menuName)
call add(menu, " execute 'source " . s:menuFile . "'")
call add(menu, ' unlet g:running_ReloadColors')
call add(menu, " echomsg 'Done Reloading " . s:menuFile . "'")
call add(menu, ' endfunction')
call add(menu, 'endif')
call add(menu, 'if !exists("g:running_RefreshColors")')
call add(menu, ' function! <SID>RefreshColors()')
call add(menu, ' let g:running_RefreshColors = 1')
call add(menu, ' call WriteColorSchemeMenu()')
call add(menu, ' call <SID>ReloadColors()')
call add(menu, ' unlet g:running_RefreshColors')
call add(menu, " echomsg 'Done Refreshing " . s:menuFile . "'")
call add(menu, ' endfunction')
call add(menu, 'endif')
return menu
endfunction "}}}
function! WriteColorSchemeMenu() "{{{
"Builds the menu from the two dicts returned by ScanThemeBackground()
"Stores menu in first plugin dir specified by &rtp
let menu = <SID>BuildMenu(<SID>ScanThemeBackground())
call writefile(menu, s:menuFile)
endfunction "}}}
function! <SID>InitMenu() "{{{
call WriteColorSchemeMenu()
execute "source " . s:menuFile
endfunction "}}}
"}}}
" Restore &cpo: {{{1
let &cpo= s:keepcpo
unlet s:keepcpo
"}}}1
"Detect absence of ColorScheme menu, and generate a new one automatically
if !filereadable(s:menuFile) "{{{
echomsg "Creating ColorScheme menu - Please Wait..."
call <SID>InitMenu()
echomsg "Done!"
endif "}}}
" vim: tabstop=4 foldmethod=marker