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-- Custom Winbar
-- Wherher to use icons.
local use_icons = true
-- Utility functions for components.
local utils = {}
-- The width of the winbar.
utils.linewidth = function ()
return vim.api.nvim_win_get_width(0)
end
utils.component_takes_percentage = function (comp_width, percentage)
return comp_width > (percentage/100) * utils.linewidth()
end
-- Highlighting Shortcut
local hi_pattern = '%%#%s#%s%%*'
-- Define Components
local components = {}
-- Filename component
components.filename = function (args)
args = args or {}
local before = args.before or ""
local after = args.after or ""
return before.."%f %m"..after
end
-- Git status component
components.git_status = function (args)
args = args or {}
local before = args.before or ""
local after = args.after or ""
if not vim.b.minidiff_summary then return "" end
local summary = vim.b.minidiff_summary
local status = {}
local add_icon = use_icons and " " or "+"
local change_icon = use_icons and " " or "~"
local delete_icon = use_icons and " " or "-"
if (summary.add or 0) > 0 then
table.insert(status, hi_pattern:format("Added", ("%s%s"):format(add_icon, summary.add)))
end
if (summary.change or 0) > 0 then
table.insert(status, hi_pattern:format("Changed", ("%s%s"):format(change_icon, summary.change)))
end
if (summary.delete or 0) > 0 then
table.insert(status, hi_pattern:format("Removed", ("%s%s"):format(delete_icon, summary.delete)))
end
return before..table.concat(status, " ")..after
end
-- Diagnostics component
components.diagnostics = function (args)
args = args or {}
local before = args.before or ""
local after = args.after or ""
-- Define icons
local error_icon = use_icons and " " or "E"
local warning_icon = use_icons and " " or "W"
local info_icon = use_icons and " " or "I"
local hint_icon = use_icons and " " or "H"
-- Create empty diagnostics table
local diagnostics = {}
-- Count diagnostics
local errors = #vim.diagnostic.get(0, { severity = 1 })
if errors > 0 then
table.insert(diagnostics, hi_pattern:format("DiagnosticSignError", ("%s%s"):format(error_icon, errors)))
end
local warnings = #vim.diagnostic.get(0, { severity = 2 })
if warnings > 0 then
table.insert(diagnostics, hi_pattern:format("DiagnosticSignWarn", ("%s%s"):format(warning_icon, warnings)))
end
local infos = #vim.diagnostic.get(0, { severity = 3 })
if infos > 0 then
table.insert(diagnostics, hi_pattern:format("DiagnosticSignInfo", ("%s%s"):format(info_icon, infos)))
end
local hints = #vim.diagnostic.get(0, { severity = 4 })
if hints > 0 then
table.insert(diagnostics, hi_pattern:format("DiagnosticSignHint", ("%s%s"):format(hint_icon, hints)))
end
-- Don't show diagnostics in insert mode.
if vim.api.nvim_get_mode().mode:find "i" then
return ""
end
local icon = use_icons and '' or 'diag: '
local status = hi_pattern:format("Statusline", table.concat(diagnostics, " "))
return before..icon..status..after
end
-- Define winbar
local winbar = function ()
return {
components.filename({before = " "}),
components.git_status(),
components.diagnostics(),
}
end
-- Gaps between components.
local gaps = " "
-- Process and apply statusline.
Winbar_builder = function ()
--get a table of all the winbar strings
local winbar_strings = winbar()
-- Remove empty strings to prevent concat issues
for i = #winbar_strings, 1, -1 do
if winbar_strings[i] == "" then
table.remove(winbar_strings, i)
end
end
-- Concatentate strings with gaps
return table.concat(winbar_strings, gaps)
end
vim.o.winbar = "%{%v:lua.Winbar_builder()%}"
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