wezterm.lua

local config = {}
local wezterm = require "wezterm"

local math = require "math"
local os = require "os"
math.randomseed(os.time())

config.unix_domains = {
    {
        name = "unix",
        connect_automatically = true
    }
}
config.keys = {}
config.debug_key_events = true

config.text_background_opacity = 1.0
config.window_background_opacity = 1.0

WALLPAPER_CHANGE_INTERVAL_SECONDS = 5 * 60
WALLPAPERS = wezterm.glob(wezterm.home_dir .. "/Pictures/Terminal-Wallpapers/*")
WALLPAPER_LAST_CHANGED = 0 -- s.time()
function random_wallpaper()
    wezterm.log_info("random_wallpaper()")
    if #WALLPAPERS > 0 then
        return WALLPAPERS[math.random(#WALLPAPERS)]
    else
        return wezterm.home_dir .. "/Pictures/Terminal-Wallpapers/120433284861-1024x768.jpg"
    end
end
config.window_background_image = random_wallpaper()

local mapkey = function(mods, key, action)
    config.keys[#config.keys + 1] = {key = key, mods = mods, action = action}
end

mapkey(
    "CTRL|ALT|SHIFT",
    "w",
    wezterm.action_callback(
        function(window, pane)
            WALLPAPER_LAST_CHANGED = os.time()
            -- set a new one
            local overrides = window:get_config_overrides() or {}
            overrides.window_background_image = random_wallpaper()
            window:set_config_overrides(overrides)
        end
    )
)

config.window_background_image_hsb = {
    brightness = 0.05,
    hue = 0.1,
    saturation = 0.1
}

mapkey(
    "CTRL|SHIFT",
    "o",
    wezterm.action_callback(
        function(window, pane)
            wezterm.log_info("CTRL+SHIFT+o")
            local overrides = window:get_config_overrides() or {}
            if
                not overrides.window_background_image_hsb or not overrides.window_background_image_hsb.brightness or
                    overrides.window_background_image_hsb.brightness == 1.0
             then
                overrides.window_background_image_hsb = {}
                overrides.window_background_image_hsb.brightness = 0.05
                overrides.window_background_image_hsb.hue = 0.1
                overrides.window_background_image_hsb.saturation = 0.1
            else
                overrides.window_background_image_hsb.brightness = 1.0
                overrides.window_background_image_hsb.hue = 1.0
                overrides.window_background_image_hsb.saturation = 1.0
            end
            window:set_config_overrides(overrides)
        end
    )
)

return config