205 lines
6.8 KiB
Lua
205 lines
6.8 KiB
Lua
-- Author : swytch
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-- Created : Friday Mar 12, 2021 21:45:21 CET
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-- License : GPLv3
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-- Description : neovim statusline file
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-- based on github/nihilistkitten's work
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local function gen_section(hl_string, items)
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local out = ""
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for _, item in pairs(items) do
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if item ~= "" then
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out = out .. " " .. item
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end
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end
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if out ~="" then
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return hl_string .. out .. " "
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else
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return out
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end
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end
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-- sensible names for vim modes
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local function get_mode(m)
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local mode_group = {
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["n"] = "Normal",
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["no"] = "O-Pending",
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["nov"] = "O-Pending",
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["noV"] = "O-Pending",
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["no"] = "O-Pending",
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["niI"] = "Normal",
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["niR"] = "Normal",
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["niV"] = "Normal",
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["v"] = "Visual",
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["V"] = "V-Line",
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[""] = "V-Block",
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["s"] = "Select",
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["S"] = "S-Line",
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[""] = "S-Block",
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["i"] = "Insert",
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["ic"] = "Insert",
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["ix"] = "Insert",
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["R"] = "Replace",
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["Rc"] = "Replace",
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["Rv"] = "V-Replace",
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["Rx"] = "Replace",
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["c"] = "Command",
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["cv"] = "Ex",
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["ce"] = "Ex",
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["r"] = "Prompt",
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["rm"] = "Prompt",
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["r?"] = "Prompt",
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["!"] = "Shell",
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["t"] = "Terminal",
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}
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return mode_group[m] or "None"
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end
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local function get_mode_display_name(m)
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local mode = {
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["Normal"] = "[ NRM ]",
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["O-Pending"] = "[ OTR ]",
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["Visual"] = "[ VSL ]",
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["V-Line"] = "[ V·L ]",
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["V-Block"] = "[ V·B ]",
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["Select"] = "[ SEL ]",
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["S-Line"] = "[ S·L ]",
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["S-Block"] = "[ S·B ]",
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["Insert"] = "[ INS ]",
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["Replace"] = "[ RPL ]",
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["Command"] = "[ CMD ]",
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["Prompt"] = "[ PMT ]",
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["Shell"] = "[ SHL ]",
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["Terminal"] = "[ TRM ]",
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["None"] = "[ --- ]"
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}
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return mode[m]
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end
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-- get the highlight group for a mode group
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local function get_mode_color(m)
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local color = {
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["Normal"] = "%#NormalMode#",
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["O-Pending"] = "%#NormalMode#",
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["Visual"] = "%#VisualMode#",
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["V-Line"] = "%#VisualMode#",
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["V-Block"] = "%#VisualMode#",
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["Select"] = "%#NormalMode#",
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["S-Line"] = "%#NormalMode#",
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["S-Block"] = "%#NormalMode#",
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["Insert"] = "%#InsertMode#",
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["Replace"] = "%#ReplaceMode#",
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["Command"] = "%#CommandMode#",
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["Prompt"] = "%#NormalMode#",
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["Shell"] = "%#NormalMode#",
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["Terminal"] = "%#NormalMode#",
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["None"] = "%#NormalMode#"
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}
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return color[m]
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end
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-- from https://github.com/nvim-lua/lsp-status.nvim/blob/master/lua/lsp-status/diagnostics.lua
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local function get_lsp_diagnostics(bufnr)
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local result = {}
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local levels = {
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errors = "Error",
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warnings = "Warn",
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info = "Info",
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hints = "Hint"
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}
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for k, level in pairs(levels) do
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result[k] = vim.lsp.diagnostic.get_count(bufnr, level)
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end
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return result
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end
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local function process_diagnostics(prefix, n, hl)
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if n > 0 then
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return hl .. prefix .. n
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else
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return ""
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end
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end
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local function spell_check()
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if vim.wo.spell then
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local lang = vim.o.spelllang
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return "[SPELL=" .. lang .. "]"
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else
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return ""
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end
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end
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local function statusline_focused()
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local diagnostics = get_lsp_diagnostics()
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local mode = vim.fn.mode()
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local mg = get_mode(mode)
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local accent_color = get_mode_color(mg)
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local left = table.concat {
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gen_section(accent_color, {get_mode_display_name(mg)}),
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gen_section("%#Middle#", {"%f"}),
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gen_section("%#Bottom#", {"%m", "%r"}),
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gen_section(
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"%#Alert#",
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{
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process_diagnostics(
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globals.sign_error .. " ",
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diagnostics.errors,
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"%#DiagnosticError#"
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),
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process_diagnostics(
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globals.sign_warning .. " ",
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diagnostics.warnings,
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"%#DiagnosticWarn#"
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),
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process_diagnostics(
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globals.sign_info .. " ",
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diagnostics.info,
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"%#DiagnosticInfo#"
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)
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}
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)
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}
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local right = table.concat {
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gen_section(
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"%#Bottom#",
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{
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spell_check(),
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vim.bo.filetype
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}
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),
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gen_section("%#Middle#", {"%03.p%%"}),
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gen_section("%#Top#", {"-%03.c-"})
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}
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return table.concat {
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left,
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"%#Statusline#",
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"%=",
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right
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}
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end
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local function statusline_not_focused()
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return table.concat {
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gen_section("%#StatuslineNF#", {"%f", "%m"}),
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"%=",
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gen_section("%#StatuslineNF#", {"%03.p%%"}),
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gen_section("%#StatuslineNF#", {"-%03.c-"})
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}
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end
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function _G.gen_statusline()
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if vim.g.statusline_winid == vim.fn.win_getid() then
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return statusline_focused()
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else
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return statusline_not_focused()
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end
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end
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vim.o.statusline = "%!luaeval(\"gen_statusline()\")"
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