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-- this plugin registers registers and autocommand that switches colorschemes on UIEnter based on
-- the system's preference for dark/light mode
local state = { enabled = true }
if not state.enabled then
return
end
local set_darkmode = function(enabled)
if enabled then
vim.opt.background = 'dark'
vim.cmd.colorscheme(vim.g.darkmode_colorscheme_dark or 'default')
else
vim.opt.background = 'light'
vim.cmd.colorscheme(vim.g.darkmode_colorscheme_light or 'default')
end
end
-- returns if system is configured to use darkmode
local discover = function()
require('plenary.job')
:new({
command = 'porta',
args = { 'settings', 'org.freedesktop.appearance', 'color-scheme' },
enable_recording = true,
on_exit = vim.schedule_wrap(function(job, exitcode)
local darkmode_enabled = true
local res = job:result()
if exitcode == 0 and #res then
darkmode_enabled = not (res[1] == 'prefer-light')
end
set_darkmode(darkmode_enabled)
end),
})
:start()
end
-- setup autogroup
local aug = vim.api.nvim_create_augroup('darkmode', { clear = true })
-- setup color-scheme detection via desktop portal apis
vim.api.nvim_create_autocmd({ 'UIEnter', 'VimResume' }, { callback = discover, group = aug })
vim.api.nvim_create_autocmd({ 'Signal' }, { pattern = 'SIGUSR1', callback = discover, group = aug })
-- fix ColorColumn not being defined
vim.api.nvim_set_hl(0, 'ColorColumn', { link = 'CursorColumn', force = true })
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