nixos/config/wezterm/status.lua

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local wezterm = require("wezterm")
-- Equivalent to POSIX basename(3)
-- Given "/foo/bar" returns "bar"
-- Given "c:\\foo\\bar" returns "bar"
function basename(s)
return string.gsub(s, "(.*[/\\])(.*)", "%2")
end
wezterm.on("update-right-status", function(window, pane)
local scheme = wezterm.color.get_builtin_schemes()["Catppuccin Macchiato"]
-- Each element holds the text for a cell in a "powerline" style << fade
local cells = {}
-- Show current active key table
local name = window:active_key_table()
if name then
name = "TABLE: " .. name
table.insert(cells, name)
end
-- I like my date/time in this style: "Wed Mar 3 08:14"
-- local date = wezterm.strftime("%a %b %-d %H:%M")
local date = wezterm.strftime("%Y-%m-%d")
table.insert(cells, date)
local time = wezterm.strftime("%H:%M")
table.insert(cells, time)
-- Get current hostname to track which device I'm on
table.insert(cells, wezterm.hostname())
-- An entry for each battery (typically 0 or 1 battery)
for _, b in ipairs(wezterm.battery_info()) do
table.insert(cells, string.format("%.0f%%", b.state_of_charge * 100))
end
-- The powerline ( symbol
local LEFT_SEP = utf8.char(0xe0b7)
-- The filled in variant of the ( symbol
local SOLID_LEFT_SEP = utf8.char(0xe0b6)
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-- Foreground color for the text across the fade
local text_fg = scheme.foreground
-- Fancy tab bar background colour to complete fade
local fancy_tab_bar_bg = "#333333"
-- Color palette for the backgrounds of each cell
local colours = wezterm.color.gradient({
colors = {
scheme.tab_bar.background,
scheme.ansi[1],
},
}, #cells)
-- The elements to be formatted
local elements = {}
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-- How many cells have been formatted
local num_cells = 0
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-- Translate a cell into elements
local function push(text, is_last)
local cell_no = num_cells + 1
table.insert(elements, { Foreground = { Color = text_fg } })
table.insert(elements, { Background = { Color = colours[cell_no] } })
table.insert(elements, { Text = " " .. text .. " " })
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if not is_last then
table.insert(elements, { Foreground = { Color = colours[cell_no + 1] } })
table.insert(elements, { Text = SOLID_LEFT_SEP })
end
num_cells = num_cells + 1
end
table.insert(elements, { Foreground = { Color = colours[num_cells + 1] } })
table.insert(elements, { Background = { Color = fancy_tab_bar_bg } })
table.insert(elements, { Text = SOLID_LEFT_SEP })
while #cells > 0 do
local cell = table.remove(cells, 1)
push(cell, #cells == 0)
end
window:set_right_status(wezterm.format(elements))
end)