Merge pull request #201 from G-Rowell/dev-chadThemeSwitcher
Chad theme switcher
This commit is contained in:
siduck76
GitHub
commit
021cf9c6f4
10 changed files with 298 additions and 20 deletions
3
init.lua
3
init.lua
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@ -1,7 +1,6 @@
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local chad_modules = {
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"options",
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"mappings",
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"utils"
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"mappings"
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}
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for i = 1, #chad_modules, 1 do
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@ -75,7 +75,7 @@ fg("NvimTreeVertSplit", darker_black)
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bg("NvimTreeVertSplit", darker_black)
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fg("NvimTreeEndOfBuffer", darker_black)
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vim.cmd("hi NvimTreeRootFolder gui=underline guifg="..purple)
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vim.cmd("hi NvimTreeRootFolder gui=underline guifg=" .. purple)
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bg("NvimTreeNormal", darker_black)
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fg_bg("NvimTreeStatuslineNc", darker_black, darker_black)
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fg_bg("NvimTreeWindowPicker", red, black2)
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@ -134,6 +134,7 @@ map("n", "<Leader>fp", ":Telescope media_files <CR>", opt)
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map("n", "<Leader>fb", ":Telescope buffers<CR>", opt)
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map("n", "<Leader>fh", ":Telescope help_tags<CR>", opt)
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map("n", "<Leader>fo", ":Telescope oldfiles<CR>", opt)
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map("n", "<Leader>th", ":Telescope themes<CR>", opt)
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-- bufferline tab stuff
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map("n", "<S-t>", ":enew<CR>", opt) -- new buffer
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@ -65,10 +65,10 @@ for _, plugin in pairs(disabled_built_ins) do
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vim.g["loaded_" .. plugin] = 1
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end
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-- Opening a file from its last left off position
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--vim.cmd(
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-- [[au BufReadPost * if expand('%:p') !~# '\m/\.git/' && line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif]]
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--)
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-- Don't show status line on vim terminals
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vim.cmd [[ au TermOpen term://* setlocal nonumber laststatus=0 ]]
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-- file extension specific tabbing
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-- vim.cmd([[autocmd Filetype python setlocal expandtab tabstop=4 shiftwidth=4 softtabstop=4]])
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-- Open a file from its last left off position
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-- vim.cmd [[ au BufReadPost * if expand('%:p') !~# '\m/\.git/' && line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif ]]
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-- File extension specific tabbing
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-- vim.cmd [[ autocmd Filetype python setlocal expandtab tabstop=4 shiftwidth=4 softtabstop=4 ]]
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@ -109,7 +109,6 @@ vim.lsp.handlers["textDocument/publishDiagnostics"] =
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},
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signs = true,
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underline = true,
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-- set this to true if you want diagnostics to show in insert mode
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update_in_insert = false
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}
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@ -93,3 +93,6 @@ g.nvim_tree_bindings = {
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{key = "q", cb = tree_cb("close")},
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{key = "g?", cb = tree_cb("toggle_help")}
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}
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-- hide statusline when nvim tree is opened
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vim.cmd [[au BufEnter,BufWinEnter,WinEnter,CmdwinEnter * if bufname('%') == "NvimTree" | set laststatus=0 | else | set laststatus=2 | endif]]
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@ -67,6 +67,9 @@ telescope.setup(
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}
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)
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-- load the theme_switcher extension
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require("telescope").load_extension("themes")
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if
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not pcall(
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function()
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185
lua/telescope/_extensions/themes.lua
Normal file
185
lua/telescope/_extensions/themes.lua
Normal file
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@ -0,0 +1,185 @@
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-- This file can be loaded as a telescope extension
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local M = {}
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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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error("No such theme ( " .. theme_name .. " )")
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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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error("Error: Cannot load base16 plugin!")
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end
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base16(base16.themes[theme_name], true)
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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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-- now send the provider info to actual refresh
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require("galaxyline.provider").async_load_providers:send()
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return true
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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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-- commented out here as it will not work with telescope picker
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end
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-- Custom theme picker
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-- Most of the code is copied from telescope colorscheme plugin, mostly for preview creation
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M.theme_switcher = function(opts)
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local pickers, finders, previewers, actions, action_state, utils, conf
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if pcall(require, "telescope") then
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pickers = require "telescope.pickers"
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finders = require "telescope.finders"
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previewers = require "telescope.previewers"
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actions = require "telescope.actions"
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action_state = require "telescope.actions.state"
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utils = require "telescope.utils"
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conf = require("telescope.config").values
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else
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error "Cannot find telescope!"
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end
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local local_utils = require "utils"
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local reload_theme = M.reload_theme
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-- get a table of available themes
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local themes = local_utils.list_themes()
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if next(themes) ~= nil then
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-- save this to use it for later to restore if theme not changed
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local current_theme = vim.g.nvchad_theme
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local new_theme = ""
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local change = false
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-- buffer number and name
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local bufnr = vim.api.nvim_get_current_buf()
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local bufname = vim.api.nvim_buf_get_name(bufnr)
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local previewer
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-- in case its not a normal buffer
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if vim.fn.buflisted(bufnr) ~= 1 then
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local deleted = false
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local function del_win(win_id)
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if win_id and vim.api.nvim_win_is_valid(win_id) then
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utils.buf_delete(vim.api.nvim_win_get_buf(win_id))
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pcall(vim.api.nvim_win_close, win_id, true)
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end
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end
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previewer =
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previewers.new {
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preview_fn = function(_, entry, status)
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if not deleted then
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deleted = true
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del_win(status.preview_win)
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del_win(status.preview_border_win)
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end
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reload_theme(entry.value)
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end
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}
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else
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-- show current buffer content in previewer
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previewer =
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previewers.new_buffer_previewer {
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get_buffer_by_name = function()
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return bufname
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end,
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define_preview = function(self, entry)
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if vim.loop.fs_stat(bufname) then
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conf.buffer_previewer_maker(bufname, self.state.bufnr, {bufname = self.state.bufname})
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else
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local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
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vim.api.nvim_buf_set_lines(self.state.bufnr, 0, -1, false, lines)
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end
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reload_theme(entry.value)
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end
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}
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end
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local picker =
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pickers.new(
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{
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prompt_title = "Set NvChad color",
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finder = finders.new_table(themes),
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previewer = previewer,
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sorter = conf.generic_sorter(opts),
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attach_mappings = function()
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actions.select_default:replace(
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-- if a entry is selected, change current_theme to that
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function(prompt_bufnr)
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local selection = action_state.get_selected_entry()
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new_theme = selection.value
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change = true
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actions.close(prompt_bufnr)
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end
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)
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return true
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end
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}
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)
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-- rewrite picker.close_windows
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local close_windows = picker.close_windows
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picker.close_windows = function(status)
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close_windows(status)
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-- now apply the theme, if success, then ask for default theme change
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local final_theme
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if change then
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final_theme = new_theme
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else
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final_theme = current_theme
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end
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if reload_theme(final_theme) then
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if change then
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-- ask for confirmation to set as default theme
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local ans = string.lower(vim.fn.input("Set " .. new_theme .. " as default theme ? [y/N] ")) == "y"
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if ans then
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local_utils.change_theme(current_theme, final_theme)
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else
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-- will be used in restoring nvchad theme var
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final_theme = current_theme
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end
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end
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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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end
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-- set nvchad_theme global var
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vim.g.nvchad_theme = current_theme
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end
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-- launch the telescope picker
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picker:find()
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else
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print("No themes found in " .. themes_folder)
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end
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end
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-- register theme swticher as themes to telescope
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local present, telescope = pcall(require, "telescope")
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if present then
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return telescope.register_extension {
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exports = {
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themes = M.theme_switcher
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}
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}
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else
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error "Cannot find telescope!"
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end
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@ -1,9 +1,9 @@
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local chad_theme = require("user_config").ui.theme
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vim.g.nvchad_theme = chad_theme
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local present2, base16 = pcall(require, "base16")
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local present, base16 = pcall(require, "base16")
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if present2 then
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if present then
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base16(base16.themes[chad_theme], true)
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require "highlights"
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return true
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104
lua/utils.lua
104
lua/utils.lua
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@ -1,8 +1,96 @@
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-- hide line numbers , statusline in specific buffers!
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vim.api.nvim_exec(
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[[
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au TermOpen term://* setlocal nonumber laststatus=0
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au BufEnter,BufWinEnter,WinEnter,CmdwinEnter * if bufname('%') == "NvimTree" | set laststatus=0 | else | set laststatus=2 | endif
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]],
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false
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)
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local M = {}
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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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M.reload_plugin = function(plugins)
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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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error("Error: Cannot load " .. plugin .. " plugin!")
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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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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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-- 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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-- 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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error "Provide current and new theme name"
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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/user_config.lua"
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-- store in data variable
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local data = assert(M.file("r", file))
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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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error("Cannot change default theme with " .. new_theme .. ", edit " .. file .. " manually")
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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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return M
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