From dcde04c4540f8f5f55e039776dd6f7148f33f59b Mon Sep 17 00:00:00 2001
From: Eric Wong <eric@wsdjeg.net>
Date: Sun, 14 Jul 2024 22:32:55 +0800
Subject: [PATCH] feat(cpicker): picker color from cursor

---
 autoload/SpaceVim/layers/tools/cpicker.vim    |   2 +-
 bundle/cpicker.nvim/lua/cpicker.lua           |  10 +-
 .../cpicker.nvim/lua/cpicker/formats/cmyk.lua | 257 +++++++++---------
 .../cpicker.nvim/lua/cpicker/formats/hsl.lua  | 227 ++++++++--------
 .../cpicker.nvim/lua/cpicker/formats/hsv.lua  | 227 ++++++++--------
 .../cpicker.nvim/lua/cpicker/formats/hwb.lua  |   1 +
 .../cpicker.nvim/lua/cpicker/formats/rgb.lua  |   1 +
 bundle/cpicker.nvim/lua/cpicker/util.lua      | 118 +++++---
 bundle/cpicker.nvim/plugin/cpicker.lua        |  39 +--
 9 files changed, 472 insertions(+), 410 deletions(-)

diff --git a/autoload/SpaceVim/layers/tools/cpicker.vim b/autoload/SpaceVim/layers/tools/cpicker.vim
index 312ef8dc6..bd408a309 100644
--- a/autoload/SpaceVim/layers/tools/cpicker.vim
+++ b/autoload/SpaceVim/layers/tools/cpicker.vim
@@ -48,7 +48,7 @@ let s:default_spaces = ['rgb', 'hsl']
 function! SpaceVim#layers#tools#cpicker#plugins() abort
 
   return [
-        \ [g:_spacevim_root_dir . 'bundle/cpicker.nvim', {'merged' : 0, 'loadconf' : 1, 'on_cmd' : 'Cpicker'}],
+        \ [g:_spacevim_root_dir . 'bundle/cpicker.nvim', {'merged' : 0, 'loadconf' : 1, 'on_cmd' : ['Cpicker', 'CpickerCursorForeground']}],
         \ ]
 
 endfunction
diff --git a/bundle/cpicker.nvim/lua/cpicker.lua b/bundle/cpicker.nvim/lua/cpicker.lua
index 4529852f2..845e80646 100644
--- a/bundle/cpicker.nvim/lua/cpicker.lua
+++ b/bundle/cpicker.nvim/lua/cpicker.lua
@@ -125,7 +125,11 @@ local function reduce()
 end
 
 M.picker = function(formats)
-  enabled_formats = formats
+  if #formats == 0 then
+    enabled_formats = {'rgb', 'hsl'}
+  else
+    enabled_formats = formats
+  end
   log.info(vim.inspect(enabled_formats))
   if not bufnr or not vim.api.nvim_win_is_valid(bufnr) then
     bufnr = vim.api.nvim_create_buf(false, false)
@@ -181,4 +185,8 @@ M.picker = function(formats)
   update_buf_text()
 end
 
+M.set_default_color = function(hex)
+  color_hi = hex
+end
+
 return M
diff --git a/bundle/cpicker.nvim/lua/cpicker/formats/cmyk.lua b/bundle/cpicker.nvim/lua/cpicker/formats/cmyk.lua
index f7a339113..23aa27ad5 100644
--- a/bundle/cpicker.nvim/lua/cpicker/formats/cmyk.lua
+++ b/bundle/cpicker.nvim/lua/cpicker/formats/cmyk.lua
@@ -1,128 +1,129 @@
---=============================================================================
--- cmyk.lua ---
--- Copyright (c) 2019-2024 Wang Shidong & Contributors
--- Author: Wang Shidong < wsdjeg@outlook.com >
--- URL: https://spacevim.org
--- License: GPLv3
---=============================================================================
-local M = {}
-
-local color = require('spacevim.api.color')
-local util = require('cpicker.util')
-
-local cyan = 0
-local magenta = 0
-local yellow = 0
-local black = 0
-
-M.color_code_regex = [[\scmyk(\d\+%,\s\d\+%,\s\d\+%,\s\d\+%)]]
-
-local function on_change_argv()
-  return 'cmyk', { cyan, magenta, yellow, black }
-end
-
-function M.buf_text()
-  local rst = {}
-  local c_bar = util.generate_bar(cyan, '+')
-  local m_bar = util.generate_bar(magenta, '+')
-  local y_bar = util.generate_bar(yellow, '+')
-  local k_bar = util.generate_bar(black, '+')
-  table.insert(rst, 'CMYK: C:    ' .. string.format('%4s', math.floor(cyan * 100 + 0.5)) .. ' ' .. c_bar)
-  table.insert(rst, '      M:    ' .. string.format('%4s', math.floor(magenta * 100 + 0.5)) .. ' ' .. m_bar)
-  table.insert(rst, '      Y:    ' .. string.format('%4s', math.floor(yellow * 100 + 0.5)) .. ' ' .. y_bar)
-  table.insert(rst, '      K:    ' .. string.format('%4s', math.floor(black * 100 + 0.5)) .. ' ' .. k_bar)
-  return rst
-end
-
-function M.color_code()
-  return
-    '   =========' .. string.format(
-    '  cmyk(%s%%, %s%%, %s%%, %s%%)',
-    math.floor(cyan * 100 + 0.5),
-    math.floor(magenta * 100 + 0.5),
-    math.floor(yellow * 100 + 0.5),
-    math.floor(black * 100 + 0.5)
-  )
-end
-
-local function increase_cyan()
-  if cyan <= 0.99 then
-    cyan = cyan + 0.01
-  elseif cyan < 1 then
-    cyan = 1
-  end
-  return on_change_argv()
-end
-local function reduce_cyan()
-  if cyan > 0.01 then
-    cyan = cyan - 0.01
-  elseif cyan > 0 then
-    cyan = 0
-  end
-  return on_change_argv()
-end
-local function increase_magenta()
-  if magenta <= 0.99 then
-    magenta = magenta + 0.01
-  elseif magenta < 1 then
-    magenta = 1
-  end
-  return on_change_argv()
-end
-local function reduce_magenta()
-  if magenta > 0.01 then
-    magenta = magenta - 0.01
-  elseif magenta > 0 then
-    magenta = 0
-  end
-  return on_change_argv()
-end
-local function increase_yellow()
-  if yellow <= 0.99 then
-    yellow = yellow + 0.01
-  elseif yellow < 1 then
-    yellow = 1
-  end
-  return on_change_argv()
-end
-local function reduce_yellow()
-  if yellow > 0.01 then
-    yellow = yellow - 0.01
-  elseif yellow > 0 then
-    yellow = 0
-  end
-  return on_change_argv()
-end
-local function increase_black()
-  if black <= 0.99 then
-    black = black + 0.01
-  elseif black < 1 then
-    black = 1
-  end
-  return on_change_argv()
-end
-local function reduce_black()
-  if black > 0.01 then
-    black = black - 0.01
-  elseif black > 0 then
-    black = 0
-  end
-  return on_change_argv()
-end
-function M.increase_reduce_functions()
-  return {
-    { increase_cyan, reduce_cyan },
-    { increase_magenta, reduce_magenta },
-    { increase_yellow, reduce_yellow },
-    { increase_black, reduce_black },
-  }
-end
-
-function M.on_change(f, code)
-  if f == 'cmyk' then
-    return
-  end
-  cyan, magenta, yellow, black = color[f .. '2cmyk'](unpack(code))
-end
-
-return M
+--=============================================================================
+-- cmyk.lua ---
+-- Copyright (c) 2019-2024 Wang Shidong & Contributors
+-- Author: Wang Shidong < wsdjeg@outlook.com >
+-- URL: https://spacevim.org
+-- License: GPLv3
+--=============================================================================
+local M = {}
+
+local color = require('spacevim.api.color')
+local util = require('cpicker.util')
+
+local cyan = 0
+local magenta = 0
+local yellow = 0
+local black = 0
+
+M.color_code_regex = [[\scmyk(\d\+%,\s\d\+%,\s\d\+%,\s\d\+%)]]
+
+local function on_change_argv()
+  return 'cmyk', { cyan, magenta, yellow, black }
+end
+
+function M.buf_text()
+  local rst = {}
+  local c_bar = util.generate_bar(cyan, '+')
+  local m_bar = util.generate_bar(magenta, '+')
+  local y_bar = util.generate_bar(yellow, '+')
+  local k_bar = util.generate_bar(black, '+')
+  table.insert(rst, 'CMYK: C:    ' .. string.format('%4s', math.floor(cyan * 100 + 0.5)) .. ' ' .. c_bar)
+  table.insert(rst, '      M:    ' .. string.format('%4s', math.floor(magenta * 100 + 0.5)) .. ' ' .. m_bar)
+  table.insert(rst, '      Y:    ' .. string.format('%4s', math.floor(yellow * 100 + 0.5)) .. ' ' .. y_bar)
+  table.insert(rst, '      K:    ' .. string.format('%4s', math.floor(black * 100 + 0.5)) .. ' ' .. k_bar)
+  return rst
+end
+
+function M.color_code()
+  return
+    '   =========' .. string.format(
+    '  cmyk(%s%%, %s%%, %s%%, %s%%)',
+    math.floor(cyan * 100 + 0.5),
+    math.floor(magenta * 100 + 0.5),
+    math.floor(yellow * 100 + 0.5),
+    math.floor(black * 100 + 0.5)
+  )
+end
+
+local function increase_cyan()
+  if cyan <= 0.99 then
+    cyan = cyan + 0.01
+  elseif cyan < 1 then
+    cyan = 1
+  end
+  return on_change_argv()
+end
+local function reduce_cyan()
+  if cyan > 0.01 then
+    cyan = cyan - 0.01
+  elseif cyan > 0 then
+    cyan = 0
+  end
+  return on_change_argv()
+end
+local function increase_magenta()
+  if magenta <= 0.99 then
+    magenta = magenta + 0.01
+  elseif magenta < 1 then
+    magenta = 1
+  end
+  return on_change_argv()
+end
+local function reduce_magenta()
+  if magenta > 0.01 then
+    magenta = magenta - 0.01
+  elseif magenta > 0 then
+    magenta = 0
+  end
+  return on_change_argv()
+end
+local function increase_yellow()
+  if yellow <= 0.99 then
+    yellow = yellow + 0.01
+  elseif yellow < 1 then
+    yellow = 1
+  end
+  return on_change_argv()
+end
+local function reduce_yellow()
+  if yellow > 0.01 then
+    yellow = yellow - 0.01
+  elseif yellow > 0 then
+    yellow = 0
+  end
+  return on_change_argv()
+end
+local function increase_black()
+  if black <= 0.99 then
+    black = black + 0.01
+  elseif black < 1 then
+    black = 1
+  end
+  return on_change_argv()
+end
+local function reduce_black()
+  if black > 0.01 then
+    black = black - 0.01
+  elseif black > 0 then
+    black = 0
+  end
+  return on_change_argv()
+end
+function M.increase_reduce_functions()
+  return {
+    { increase_cyan, reduce_cyan },
+    { increase_magenta, reduce_magenta },
+    { increase_yellow, reduce_yellow },
+    { increase_black, reduce_black },
+  }
+end
+
+function M.on_change(f, code)
+  if f == 'cmyk' then
+    cyan, magenta, yellow, black = unpack(code)
+    return
+  end
+  cyan, magenta, yellow, black = color[f .. '2cmyk'](unpack(code))
+end
+
+return M
diff --git a/bundle/cpicker.nvim/lua/cpicker/formats/hsl.lua b/bundle/cpicker.nvim/lua/cpicker/formats/hsl.lua
index 8c4aa8ec1..1b593962e 100644
--- a/bundle/cpicker.nvim/lua/cpicker/formats/hsl.lua
+++ b/bundle/cpicker.nvim/lua/cpicker/formats/hsl.lua
@@ -1,113 +1,114 @@
---=============================================================================
--- hsl.lua
--- Copyright (c) 2019-2024 Wang Shidong & Contributors
--- Author: Wang Shidong < wsdjeg@outlook.com >
--- URL: https://spacevim.org
--- License: GPLv3
---=============================================================================
-local M = {}
-
-local color = require('spacevim.api.color')
-local util = require('cpicker.util')
-
-local hue = 0 -- [0, 360]
-local saturation = 0 -- [0, 100%]
-local lightness = 0 -- [0, 100%]
-
-M.color_code_regex = [[\shsl(\d\+,\s\d\+%,\s\d\+%)]]
-
-local function on_change_argv()
-  return 'hsl', { hue, saturation, lightness }
-end
-
-function M.buf_text()
-  local rst = {}
-  local h_bar = util.generate_bar(hue, '+', 360)
-  local s_bar = util.generate_bar(saturation, '+')
-  local l_bar = util.generate_bar(lightness, '+')
-  table.insert(rst, 'HSL:  H:    ' .. string.format('%4s', math.floor(hue + 0.5)) .. ' ' .. h_bar)
-  table.insert(
-    rst,
-    '      S:    ' .. string.format('%3s', math.floor(saturation * 100 + 0.5)) .. '% ' .. s_bar
-  )
-  table.insert(
-    rst,
-    '      L:    ' .. string.format('%3s', math.floor(lightness * 100 + 0.5)) .. '% ' .. l_bar
-  )
-  return rst
-end
-
-function M.color_code()
-  return
-    '   =========' .. string.format(
-    '  hsl(%s, %s%%, %s%%)',
-    math.floor(hue + 0.5),
-    math.floor(saturation * 100 + 0.5),
-    math.floor(lightness * 100 + 0.5)
-  )
-end
-
-local function increase_hsl_h()
-  if hue <= 359 then
-    hue = hue + 1
-  elseif hue < 360 then
-    hue = 360
-  end
-  return on_change_argv()
-end
-local function reduce_hsl_h()
-  if hue >= 1 then
-    hue = hue - 1
-  elseif hue > 0 then
-    hue = 0
-  end
-  return on_change_argv()
-end
-local function increase_hsl_s()
-  if saturation <= 0.99 then
-    saturation = saturation + 0.01
-  elseif saturation < 1 then
-    saturation = 1
-  end
-  return on_change_argv()
-end
-local function reduce_hsl_s()
-  if saturation >= 0.01 then
-    saturation = saturation - 0.01
-  elseif saturation > 0 and saturation < 0.01 then
-    saturation = 0
-  end
-  return on_change_argv()
-end
-local function increase_hsl_l()
-  if lightness <= 0.99 then
-    lightness = lightness + 0.01
-  elseif lightness < 1 then
-    lightness = 1
-  end
-  return on_change_argv()
-end
-local function reduce_hsl_l()
-  if lightness >= 0.01 then
-    lightness = lightness - 0.01
-  elseif lightness > 0 and lightness < 0.01 then
-    lightness = 0
-  end
-  return on_change_argv()
-end
-function M.increase_reduce_functions()
-  return {
-    { increase_hsl_h, reduce_hsl_h },
-    { increase_hsl_s, reduce_hsl_s },
-    { increase_hsl_l, reduce_hsl_l },
-  }
-end
-
-function M.on_change(f, code)
-  if f == 'hsl' then
-    return
-  end
-  hue, saturation, lightness = color[f .. '2hsl'](unpack(code))
-end
-
-return M
+--=============================================================================
+-- hsl.lua
+-- Copyright (c) 2019-2024 Wang Shidong & Contributors
+-- Author: Wang Shidong < wsdjeg@outlook.com >
+-- URL: https://spacevim.org
+-- License: GPLv3
+--=============================================================================
+local M = {}
+
+local color = require('spacevim.api.color')
+local util = require('cpicker.util')
+
+local hue = 0 -- [0, 360]
+local saturation = 0 -- [0, 100%]
+local lightness = 0 -- [0, 100%]
+
+M.color_code_regex = [[\shsl(\d\+,\s\d\+%,\s\d\+%)]]
+
+local function on_change_argv()
+  return 'hsl', { hue, saturation, lightness }
+end
+
+function M.buf_text()
+  local rst = {}
+  local h_bar = util.generate_bar(hue, '+', 360)
+  local s_bar = util.generate_bar(saturation, '+')
+  local l_bar = util.generate_bar(lightness, '+')
+  table.insert(rst, 'HSL:  H:    ' .. string.format('%4s', math.floor(hue + 0.5)) .. ' ' .. h_bar)
+  table.insert(
+    rst,
+    '      S:    ' .. string.format('%3s', math.floor(saturation * 100 + 0.5)) .. '% ' .. s_bar
+  )
+  table.insert(
+    rst,
+    '      L:    ' .. string.format('%3s', math.floor(lightness * 100 + 0.5)) .. '% ' .. l_bar
+  )
+  return rst
+end
+
+function M.color_code()
+  return
+    '   =========' .. string.format(
+    '  hsl(%s, %s%%, %s%%)',
+    math.floor(hue + 0.5),
+    math.floor(saturation * 100 + 0.5),
+    math.floor(lightness * 100 + 0.5)
+  )
+end
+
+local function increase_hsl_h()
+  if hue <= 359 then
+    hue = hue + 1
+  elseif hue < 360 then
+    hue = 360
+  end
+  return on_change_argv()
+end
+local function reduce_hsl_h()
+  if hue >= 1 then
+    hue = hue - 1
+  elseif hue > 0 then
+    hue = 0
+  end
+  return on_change_argv()
+end
+local function increase_hsl_s()
+  if saturation <= 0.99 then
+    saturation = saturation + 0.01
+  elseif saturation < 1 then
+    saturation = 1
+  end
+  return on_change_argv()
+end
+local function reduce_hsl_s()
+  if saturation >= 0.01 then
+    saturation = saturation - 0.01
+  elseif saturation > 0 and saturation < 0.01 then
+    saturation = 0
+  end
+  return on_change_argv()
+end
+local function increase_hsl_l()
+  if lightness <= 0.99 then
+    lightness = lightness + 0.01
+  elseif lightness < 1 then
+    lightness = 1
+  end
+  return on_change_argv()
+end
+local function reduce_hsl_l()
+  if lightness >= 0.01 then
+    lightness = lightness - 0.01
+  elseif lightness > 0 and lightness < 0.01 then
+    lightness = 0
+  end
+  return on_change_argv()
+end
+function M.increase_reduce_functions()
+  return {
+    { increase_hsl_h, reduce_hsl_h },
+    { increase_hsl_s, reduce_hsl_s },
+    { increase_hsl_l, reduce_hsl_l },
+  }
+end
+
+function M.on_change(f, code)
+  if f == 'hsl' then
+    hue, saturation, lightness = unpack(code)
+    return
+  end
+  hue, saturation, lightness = color[f .. '2hsl'](unpack(code))
+end
+
+return M
diff --git a/bundle/cpicker.nvim/lua/cpicker/formats/hsv.lua b/bundle/cpicker.nvim/lua/cpicker/formats/hsv.lua
index 0f1c49c38..979085c29 100644
--- a/bundle/cpicker.nvim/lua/cpicker/formats/hsv.lua
+++ b/bundle/cpicker.nvim/lua/cpicker/formats/hsv.lua
@@ -1,113 +1,114 @@
---=============================================================================
--- hsv.lua --- 
--- Copyright (c) 2019-2024 Wang Shidong & Contributors
--- Author: Wang Shidong < wsdjeg@outlook.com >
--- URL: https://spacevim.org
--- License: GPLv3
---=============================================================================
-local M = {}
-
-local color = require('spacevim.api.color')
-local util = require('cpicker.util')
-
-local hue = 0
-local saturation = 0
-local value = 0
-
-M.color_code_regex = [[\shsv(\d\+,\s\d\+%,\s\d\+%)]]
-
-local function on_change_argv()
-  return 'hsv', {hue, saturation, value}
-end
-
-function M.buf_text()
-  
-  local rst = {}
-  local h_bar = util.generate_bar(hue, '+', 360)
-  local s_bar = util.generate_bar(saturation, '+')
-  local l_bar = util.generate_bar(value, '+')
-  table.insert(rst, 'HSV:  H:    ' .. string.format('%4s', math.floor(hue + 0.5)) .. ' ' .. h_bar)
-  table.insert(
-    rst,
-    '      S:    ' .. string.format('%3s', math.floor(saturation * 100 + 0.5)) .. '% ' .. s_bar
-  )
-  table.insert(
-    rst,
-    '      V:    ' .. string.format('%3s', math.floor(value * 100 + 0.5)) .. '% ' .. l_bar
-  )
-  return rst
-end
-
-function M.color_code()
-  return
-    '   =========' .. string.format(
-    '  hsv(%s, %s%%, %s%%)',
-    math.floor(hue + 0.5),
-    math.floor(saturation * 100 + 0.5),
-    math.floor(value * 100 + 0.5)
-  )
-  
-end
-local function increase_hsl_h()
-  if hue <= 359 then
-    hue = hue + 1
-  elseif hue < 360 then hue = 360
-  end
-  return on_change_argv()
-end
-local function reduce_hsl_h()
-  if hue >= 1 then
-    hue = hue - 1
-  elseif hue > 0 then
-    hue = 0
-  end
-  return on_change_argv()
-end
-local function increase_hsl_s()
-  if saturation <= 0.99 then
-    saturation = saturation + 0.01
-  elseif saturation < 1 then
-    saturation = 1
-  end
-  return on_change_argv()
-end
-local function reduce_hsl_s()
-  if saturation >= 0.01 then
-    saturation = saturation - 0.01
-  elseif saturation > 0 and saturation < 0.01 then
-    saturation = 0
-  end
-  return on_change_argv()
-end
-local function increase_hsl_v()
-  if value <= 0.99 then
-    value = value + 0.01
-  elseif value < 1 then
-    value = 1
-  end
-  return on_change_argv()
-end
-local function reduce_hsl_v()
-  if value >= 0.01 then
-    value = value - 0.01
-  elseif value > 0 and value < 0.01 then
-    value = 0
-  end
-  return on_change_argv()
-end
-function M.increase_reduce_functions()
-  return {
-    { increase_hsl_h, reduce_hsl_h },
-    { increase_hsl_s, reduce_hsl_s },
-    { increase_hsl_v, reduce_hsl_v },
-  }
-end
-
-function M.on_change(f, code)
-  if f == 'hsv' then
-    return
-  end
-  hue, saturation, value = color[f .. '2hsv'](unpack(code))
-end
-
-return M
+--=============================================================================
+-- hsv.lua --- 
+-- Copyright (c) 2019-2024 Wang Shidong & Contributors
+-- Author: Wang Shidong < wsdjeg@outlook.com >
+-- URL: https://spacevim.org
+-- License: GPLv3
+--=============================================================================
+local M = {}
+
+local color = require('spacevim.api.color')
+local util = require('cpicker.util')
+
+local hue = 0
+local saturation = 0
+local value = 0
+
+M.color_code_regex = [[\shsv(\d\+,\s\d\+%,\s\d\+%)]]
+
+local function on_change_argv()
+  return 'hsv', {hue, saturation, value}
+end
+
+function M.buf_text()
+  
+  local rst = {}
+  local h_bar = util.generate_bar(hue, '+', 360)
+  local s_bar = util.generate_bar(saturation, '+')
+  local l_bar = util.generate_bar(value, '+')
+  table.insert(rst, 'HSV:  H:    ' .. string.format('%4s', math.floor(hue + 0.5)) .. ' ' .. h_bar)
+  table.insert(
+    rst,
+    '      S:    ' .. string.format('%3s', math.floor(saturation * 100 + 0.5)) .. '% ' .. s_bar
+  )
+  table.insert(
+    rst,
+    '      V:    ' .. string.format('%3s', math.floor(value * 100 + 0.5)) .. '% ' .. l_bar
+  )
+  return rst
+end
+
+function M.color_code()
+  return
+    '   =========' .. string.format(
+    '  hsv(%s, %s%%, %s%%)',
+    math.floor(hue + 0.5),
+    math.floor(saturation * 100 + 0.5),
+    math.floor(value * 100 + 0.5)
+  )
+  
+end
+local function increase_hsl_h()
+  if hue <= 359 then
+    hue = hue + 1
+  elseif hue < 360 then hue = 360
+  end
+  return on_change_argv()
+end
+local function reduce_hsl_h()
+  if hue >= 1 then
+    hue = hue - 1
+  elseif hue > 0 then
+    hue = 0
+  end
+  return on_change_argv()
+end
+local function increase_hsl_s()
+  if saturation <= 0.99 then
+    saturation = saturation + 0.01
+  elseif saturation < 1 then
+    saturation = 1
+  end
+  return on_change_argv()
+end
+local function reduce_hsl_s()
+  if saturation >= 0.01 then
+    saturation = saturation - 0.01
+  elseif saturation > 0 and saturation < 0.01 then
+    saturation = 0
+  end
+  return on_change_argv()
+end
+local function increase_hsl_v()
+  if value <= 0.99 then
+    value = value + 0.01
+  elseif value < 1 then
+    value = 1
+  end
+  return on_change_argv()
+end
+local function reduce_hsl_v()
+  if value >= 0.01 then
+    value = value - 0.01
+  elseif value > 0 and value < 0.01 then
+    value = 0
+  end
+  return on_change_argv()
+end
+function M.increase_reduce_functions()
+  return {
+    { increase_hsl_h, reduce_hsl_h },
+    { increase_hsl_s, reduce_hsl_s },
+    { increase_hsl_v, reduce_hsl_v },
+  }
+end
+
+function M.on_change(f, code)
+  if f == 'hsv' then
+    hue, saturation, value = unpack(code)
+    return
+  end
+  hue, saturation, value = color[f .. '2hsv'](unpack(code))
+end
+
+return M
diff --git a/bundle/cpicker.nvim/lua/cpicker/formats/hwb.lua b/bundle/cpicker.nvim/lua/cpicker/formats/hwb.lua
index 8987a3761..f717f8047 100644
--- a/bundle/cpicker.nvim/lua/cpicker/formats/hwb.lua
+++ b/bundle/cpicker.nvim/lua/cpicker/formats/hwb.lua
@@ -105,6 +105,7 @@ end
 
 function M.on_change(f, code)
   if f == 'hwb' then
+    hue, whiteness, blackness = unpack(code)
     return
   end
   hue, whiteness, blackness = color[f .. '2hwb'](unpack(code))
diff --git a/bundle/cpicker.nvim/lua/cpicker/formats/rgb.lua b/bundle/cpicker.nvim/lua/cpicker/formats/rgb.lua
index d07b09c89..c5c445677 100644
--- a/bundle/cpicker.nvim/lua/cpicker/formats/rgb.lua
+++ b/bundle/cpicker.nvim/lua/cpicker/formats/rgb.lua
@@ -98,6 +98,7 @@ end
 
 function M.on_change(f, code)
   if f == 'rgb' then
+    red, green, blue = unpack(code)
     return
   end
   red, green, blue = color[f .. '2rgb'](unpack(code))
diff --git a/bundle/cpicker.nvim/lua/cpicker/util.lua b/bundle/cpicker.nvim/lua/cpicker/util.lua
index e5987ba6f..6097cf46e 100644
--- a/bundle/cpicker.nvim/lua/cpicker/util.lua
+++ b/bundle/cpicker.nvim/lua/cpicker/util.lua
@@ -1,37 +1,81 @@
---=============================================================================
--- util.lua
--- Copyright (c) 2019-2024 Wang Shidong & Contributors
--- Author: Wang Shidong < wsdjeg@outlook.com >
--- URL: https://spacevim.org
--- License: GPLv3
---=============================================================================
-
-local M = {}
-
-local color = require('spacevim.api.color')
-
-function M.generate_bar(n, char, m)
-  return string.rep(char, math.floor(24 * n / (m or 1)))
-end
-
-function M.get_hex_code(t, code)
-  return color[t .. '2hex'](unpack(code))
-end
-
-function M.get_hsl_l(hex)
-  local _, _, l = color.rgb2hsl(color.hex2rgb(hex))
-  return l
-end
-function M.update_color_code_syntax(r)
-  local max = 0
-  local regexes = {}
-  for _, v in ipairs(r) do
-    max = math.max(max, v[1])
-  end
-  regexes = vim.tbl_map(function(val)
-    return val[2] .. string.rep('\\s', max - val[1])
-  end, r)
-  vim.cmd('syn match SpaceVimPickerCode /' .. table.concat(regexes, '\\|') .. '/')
-end
-
-return M
+--=============================================================================
+-- util.lua
+-- Copyright (c) 2019-2024 Wang Shidong & Contributors
+-- Author: Wang Shidong < wsdjeg@outlook.com >
+-- URL: https://spacevim.org
+-- License: GPLv3
+--=============================================================================
+
+local M = {}
+
+local color = require('spacevim.api.color')
+
+function M.generate_bar(n, char, m)
+  return string.rep(char, math.floor(24 * n / (m or 1)))
+end
+
+function M.get_hex_code(t, code)
+  return color[t .. '2hex'](unpack(code))
+end
+
+function M.get_hsl_l(hex)
+  local _, _, l = color.rgb2hsl(color.hex2rgb(hex))
+  return l
+end
+function M.update_color_code_syntax(r)
+  local max = 0
+  local regexes = {}
+  for _, v in ipairs(r) do
+    max = math.max(max, v[1])
+  end
+  regexes = vim.tbl_map(function(val)
+    return val[2] .. string.rep('\\s', max - val[1])
+  end, r)
+  vim.cmd('syn match SpaceVimPickerCode /' .. table.concat(regexes, '\\|') .. '/')
+end
+
+local function get_color(name)
+  local c = vim.api.nvim_get_hl(0, { name = name })
+
+  if c.link then
+    return get_color(c.link)
+  else
+    return c
+  end
+end
+
+function M.set_default_color(formats)
+  if #formats == 0 then
+    formats = { 'rgb', 'hsl' }
+  else
+    formats = formats
+  end
+  local inspect = vim.inspect_pos()
+  local hex
+  if #inspect.treesitter > 0 then
+    local fg =
+      vim.api.nvim_get_hl(0, { name = inspect.treesitter[#inspect.treesitter].hl_group_link }).fg
+    if fg then
+      hex = string.format('#%06X', fg)
+    end
+  else
+    local name = vim.fn.synIDattr(vim.fn.synID(vim.fn.line('.'), vim.fn.col('.'), 1), 'name', 'gui')
+    local fg = get_color(name).fg
+    if fg then
+      hex = string.format('#%06X', fg)
+    end
+  end
+
+  if hex then
+    require('cpicker').set_default_color(hex)
+    local r, g, b = color.hex2rgb(hex)
+    for _, format in ipairs(formats) do
+      local ok, f = pcall(require, 'cpicker.formats.' .. format)
+      if ok then
+        f.on_change('rgb', { r, g, b })
+      end
+    end
+  end
+end
+
+return M
diff --git a/bundle/cpicker.nvim/plugin/cpicker.lua b/bundle/cpicker.nvim/plugin/cpicker.lua
index 216b09730..29da4d690 100644
--- a/bundle/cpicker.nvim/plugin/cpicker.lua
+++ b/bundle/cpicker.nvim/plugin/cpicker.lua
@@ -1,17 +1,22 @@
---=============================================================================
--- cpicker.lua
--- Copyright (c) 2019-2024 Wang Shidong & Contributors
--- Author: Wang Shidong < wsdjeg@outlook.com >
--- URL: https://spacevim.org
--- License: GPLv3
---=============================================================================
-
-if vim.api.nvim_create_user_command then
-  local function complete(...)
-    return {'all', 'rgb', 'hsl'}
-  end
-  vim.api.nvim_create_user_command('Cpicker', function(opt)
-    require('cpicker').picker(opt.fargs)
-
-  end, { nargs = '*', complete = complete })
-end
+--=============================================================================
+-- cpicker.lua
+-- Copyright (c) 2019-2024 Wang Shidong & Contributors
+-- Author: Wang Shidong < wsdjeg@outlook.com >
+-- URL: https://spacevim.org
+-- License: GPLv3
+--=============================================================================
+
+if vim.api.nvim_create_user_command then
+  local function complete(...)
+    return {'all', 'rgb', 'hsl'}
+  end
+  vim.api.nvim_create_user_command('Cpicker', function(opt)
+    require('cpicker').picker(opt.fargs)
+
+  end, { nargs = '*', complete = complete })
+  vim.api.nvim_create_user_command('CpickerCursorForeground', function(opt)
+    require('cpicker.util').set_default_color(opt.fargs)
+    require('cpicker').picker(opt.fargs)
+
+  end, { nargs = '*', complete = complete })
+end