319 lines
10 KiB
Lua
319 lines
10 KiB
Lua
local M = {}
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-- 1st arg as current theme, 2nd as new theme
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M.change_theme = function(current_theme, new_theme)
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if current_theme == nil or new_theme == nil then
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print "Error: Provide current and new theme name"
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return false
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end
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if current_theme == new_theme then
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return
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end
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local file = vim.fn.stdpath "config" .. "/lua/chadrc.lua"
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-- store in data variable
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local data = assert(M.file("r", file))
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-- escape characters which can be parsed as magic chars
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current_theme = current_theme:gsub("%p", "%%%0")
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new_theme = new_theme:gsub("%p", "%%%0")
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local find = "theme = .?" .. current_theme .. ".?"
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local replace = 'theme = "' .. new_theme .. '"'
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local content = string.gsub(data, find, replace)
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-- see if the find string exists in file
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if content == data then
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print("Error: Cannot change default theme with " .. new_theme .. ", edit " .. file .. " manually")
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return false
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else
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assert(M.file("w", file, content))
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end
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end
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M.clear_cmdline = function()
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vim.defer_fn(function()
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vim.cmd "echo"
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end, 0)
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end
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M.close_buffer = function(bufexpr, force)
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-- This is a modification of a NeoVim plugin from
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-- Author: ojroques - Olivier Roques
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-- Src: https://github.com/ojroques/nvim-bufdel
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-- (Author has okayed copy-paste)
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-- Options
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local opts = {
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next = 'cycle', -- how to retrieve the next buffer
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quit = false, -- exit when last buffer is deleted
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--TODO make this a chadrc flag/option
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}
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-- ----------------
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-- Helper functions
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-- ----------------
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-- Switch to buffer 'buf' on each window from list 'windows'
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local function switch_buffer(windows, buf)
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local cur_win = vim.fn.winnr()
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for _, winid in ipairs(windows) do
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vim.cmd(string.format('%d wincmd w', vim.fn.win_id2win(winid)))
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vim.cmd(string.format('buffer %d', buf))
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end
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vim.cmd(string.format('%d wincmd w', cur_win)) -- return to original window
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end
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-- Select the first buffer with a number greater than given buffer
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local function get_next_buf(buf)
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local next = vim.fn.bufnr('#')
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if opts.next == 'alternate' and vim.fn.buflisted(next) == 1 then
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return next
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end
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for i = 0, vim.fn.bufnr('$') - 1 do
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next = (buf + i) % vim.fn.bufnr('$') + 1 -- will loop back to 1
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if vim.fn.buflisted(next) == 1 then
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return next
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end
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end
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end
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-- ----------------
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-- End helper functions
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-- ----------------
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local buf = vim.fn.bufnr()
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if vim.fn.buflisted(buf) == 0 then -- exit if buffer number is invalid
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return
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end
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if #vim.fn.getbufinfo({buflisted = 1}) < 2 then
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if opts.quit then
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-- exit when there is only one buffer left
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if force then
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vim.cmd('qall!')
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else
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vim.cmd('confirm qall')
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end
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return
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end
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local chad_term, type = pcall(function()
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return vim.api.nvim_buf_get_var(buf, "term_type")
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end)
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if chad_term then
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-- Must be a window type
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vim.cmd(string.format('setlocal nobl', buf))
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vim.cmd('enew')
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return
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end
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-- don't exit and create a new empty buffer
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vim.cmd('enew')
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vim.cmd('bp')
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end
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local next_buf = get_next_buf(buf)
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local windows = vim.fn.getbufinfo(buf)[1].windows
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-- force deletion of terminal buffers to avoid the prompt
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if force or vim.fn.getbufvar(buf, '&buftype') == 'terminal' then
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local chad_term, type = pcall(function()
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return vim.api.nvim_buf_get_var(buf, "term_type")
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end)
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-- TODO this scope is error prone, make resilient
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if chad_term then
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if type == "wind" then
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-- hide from bufferline
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vim.cmd(string.format('%d bufdo setlocal nobl', buf))
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-- swtich to another buff
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-- TODO switch to next bufffer, this works too
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vim.cmd('BufferLineCycleNext')
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else
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local cur_win = vim.fn.winnr()
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-- we can close this window
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vim.cmd(string.format('%d wincmd c', cur_win))
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return
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end
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else
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switch_buffer(windows, next_buf)
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vim.cmd(string.format('bd! %d', buf))
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end
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else
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switch_buffer(windows, next_buf)
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vim.cmd(string.format('silent! confirm bd %d', buf))
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end
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-- revert buffer switches if user has canceled deletion
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if vim.fn.buflisted(buf) == 1 then
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switch_buffer(windows, buf)
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end
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end
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-- 1st arg - r or w
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-- 2nd arg - file path
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-- 3rd arg - content if 1st arg is w
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-- return file data on read, nothing on write
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M.file = function(mode, filepath, content)
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local data
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local fd = assert(vim.loop.fs_open(filepath, mode, 438))
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local stat = assert(vim.loop.fs_fstat(fd))
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if stat.type ~= "file" then
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data = false
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else
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if mode == "r" then
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data = assert(vim.loop.fs_read(fd, stat.size, 0))
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else
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assert(vim.loop.fs_write(fd, content, 0))
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data = true
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end
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end
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assert(vim.loop.fs_close(fd))
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return data
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end
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-- return a table of available themes
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M.list_themes = function(return_type)
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local themes = {}
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-- folder where theme files are stored
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local themes_folder = vim.fn.stdpath "config" .. "/lua/themes"
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-- list all the contents of the folder and filter out files with .lua extension, then append to themes table
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local fd = vim.loop.fs_scandir(themes_folder)
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if fd then
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while true do
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local name, typ = vim.loop.fs_scandir_next(fd)
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if name == nil then
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break
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end
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if typ ~= "directory" and string.find(name, ".lua") then
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-- return the table values as keys if specified
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if return_type == "keys_as_value" then
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themes[vim.fn.fnamemodify(name, ":r")] = true
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else
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table.insert(themes, vim.fn.fnamemodify(name, ":r"))
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end
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end
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end
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end
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return themes
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end
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-- reload a plugin ( will try to load even if not loaded)
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-- can take a string or list ( table )
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-- return true or false
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M.reload_plugin = function(plugins)
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local status = true
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local function _reload_plugin(plugin)
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local loaded = package.loaded[plugin]
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if loaded then
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package.loaded[plugin] = nil
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end
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if not pcall(require, plugin) then
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print("Error: Cannot load " .. plugin .. " plugin!")
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status = false
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end
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end
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if type(plugins) == "string" then
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_reload_plugin(plugins)
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elseif type(plugins) == "table" then
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for _, plugin in ipairs(plugins) do
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_reload_plugin(plugin)
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end
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end
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return status
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end
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-- reload themes without restarting vim
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-- if no theme name given then reload the current theme
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M.reload_theme = function(theme_name)
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local reload_plugin = require("utils").reload_plugin
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-- if theme name is empty or nil, then reload the current theme
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if theme_name == nil or theme_name == "" then
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theme_name = vim.g.nvchad_theme
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end
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if not pcall(require, "themes/" .. theme_name) then
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print("No such theme ( " .. theme_name .. " )")
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return false
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end
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vim.g.nvchad_theme = theme_name
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-- reload the base16 theme
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local ok, base16 = pcall(require, "base16")
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if not ok then
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print "Error: Cannot load base16 plugin!"
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return false
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end
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base16(base16.themes(theme_name), true)
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if
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not reload_plugin {
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"highlights",
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"plugins.bufferline",
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"galaxyline",
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"plugins.statusline",
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}
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then
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print "Error: Not able to reload all plugins."
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return false
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end
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-- yes, this is very hacky, but due to new_async in
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-- https://github.com/glepnir/galaxyline.nvim/blob/main/lua/galaxyline/provider.lua#L5-L36
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-- it doesn't work properly and some statusline stuff dissapears
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local vcs = require "galaxyline.provider_vcs"
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local fileinfo = require "galaxyline.provider_fileinfo"
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local buffer = require "galaxyline.provider_buffer"
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local extension = require "galaxyline.provider_extensions"
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local whitespace = require "galaxyline.provider_whitespace"
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local lspclient = require "galaxyline.provider_lsp"
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_G.galaxyline_providers = {
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BufferIcon = buffer.get_buffer_type_icon,
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BufferNumber = buffer.get_buffer_number,
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FileTypeName = buffer.get_buffer_filetype,
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GitBranch = vcs.get_git_branch,
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DiffAdd = vcs.diff_add,
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DiffModified = vcs.diff_modified,
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DiffRemove = vcs.diff_remove,
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LineColumn = fileinfo.line_column,
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FileFormat = fileinfo.get_file_format,
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FileEncode = fileinfo.get_file_encode,
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FileSize = fileinfo.get_file_size,
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FileIcon = fileinfo.get_file_icon,
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FileName = fileinfo.get_current_file_name,
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SFileName = fileinfo.filename_in_special_buffer,
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LinePercent = fileinfo.current_line_percent,
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ScrollBar = extension.scrollbar_instance,
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VistaPlugin = extension.vista_nearest,
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WhiteSpace = whitespace.get_item,
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GetLspClient = lspclient.get_lsp_client,
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}
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local diagnostic = require "galaxyline.provider_diagnostic"
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_G.galaxyline_providers.DiagnosticError = diagnostic.get_diagnostic_error
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_G.galaxyline_providers.DiagnosticWarn = diagnostic.get_diagnostic_warn
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_G.galaxyline_providers.DiagnosticHint = diagnostic.get_diagnostic_hint
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_G.galaxyline_providers.DiagnosticInfo = diagnostic.get_diagnostic_info
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return true
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end
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-- toggle between 2 themes
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-- argument should be a table with 2 theme names
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M.toggle_theme = function(themes)
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local current_theme = vim.g.current_nvchad_theme or vim.g.nvchad_theme
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for _, name in ipairs(themes) do
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if name ~= current_theme then
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if require("utils").reload_theme(name) then
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-- open a buffer and close it to reload the statusline
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vim.cmd "new|bwipeout"
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vim.g.current_nvchad_theme = name
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if M.change_theme(vim.g.nvchad_theme, name) then
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vim.g.nvchad_theme = name
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end
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end
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end
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end
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end
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return M
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