114 lines
2.8 KiB
Lua
114 lines
2.8 KiB
Lua
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-- see `:help` for any questions
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-- use `&<var>` to show value of vimscript variable
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-- API --
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local o = vim.o -- options
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local go = vim.go -- only-global options
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local bo = vim.bo -- buffer local options
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local wo = vim.wo -- window local options
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local cmd = vim.cmd -- vim commands
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local fn = vim.fn -- vim functions
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local opt = vim.opt -- vim option object
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local g = vim.g -- global variables
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local b = vim.b -- buffer local variables
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local w = vim.w -- window local variables
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local t = vim.t -- tab local variables
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local v = vim.v -- variables
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local env = vim.env -- environment variables
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--Later generalize into plugin
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-- read from bottom up to understand `status_bar()`
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local function file_state()
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if vim.bo.modified then
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return "+"
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elseif vim.bo.readonly then
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return "-"
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end
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return ""
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end
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local function diagnostics()
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local buffer_number = vim.fn.bufnr('%')
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local severity_levels = {
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-- level,prefix
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errors = {'Error', 'E:'},
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warnings = {'Warning', 'W:'},
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info = {'Information', 'I:'},
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hints = {'Hint', 'H:'}
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}
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local out = ''
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for _,v in pairs(severity_levels) do
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local d = vim.lsp.diagnostic.get_count(
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buffer_number,
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v[1] -- level
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)
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if d > 0 then
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out = out .. v[2] .. d .. ' '
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end
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end
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return out
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end
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local function highlight(group, color)
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cmd('highlight ' .. group .. ' cterm='..color .. ' gui='..color)
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end
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highlight('StatusLine', 'bold,reverse')
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highlight('StatusLineDark', 'bold')
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local light_highlight = '%#StatusLine#'
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local dark_highlight = '%#StatusLineDark#'
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function section(items)
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local out = ''
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for _,item in pairs(items) do
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if item ~= '' and item ~= nil then
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if out == '' then
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out = item
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else
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out = out .. ' | ' .. item
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end
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end
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end
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return ' ' .. out .. ' '
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end
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function sections(items)
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local out = {}
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local n = 1
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for _,item in pairs(items) do
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if item == '%=' then
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table.insert(out, item)
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n = 1 -- reset coloring at different parts
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else
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if (n % 2) == 1 then
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table.insert(out, light_highlight..section(item))
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else
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table.insert(out, dark_highlight..section(item))
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end
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n = n + 1
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end
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end
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return out
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end
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function status_bar()
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return table.concat(sections({
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-- Stage Left
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{'%f', file_state()},
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{diagnostics()},
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'%=',
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-- Stage Right
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{
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vim.b.gitsigns_status,
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vim.bo.filetype
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},
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{'%p%%'},
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{'%c,%l'}
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}))
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end
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