Wezterm config

colors - Themer.toml

# Themer
[colors]
foreground = "#c1c6ca"
background = "#131518"
#cursor_bg = "#bbbbbb"
cursor_bg = "#8f5ac9"
#cursor_fg = "#8f5ac9"
cursor_fg = "#ffff00"
#cursor_fg = "#8f5ac9"
##cursor_bg = "#131518"
#cursor_border = "#bbbbbb"
cursor_border = "#8f5ac9"
selection_bg = "#87afdf"
selection_fg = "#131518"

ansi = ["#131518","#df8787","#afdf87","#ffffaf","#87afdf","#dfafdf","#afdfdf","#c1c6ca"]
#brights = ["#131518","#df8787","#afdf87","#ffffaf","#87afdf","#dfafdf","#afdfdf","#c1c6ca"]
brights = ["#303236","#df999a","#b8e09a","#f8f9ba","#98b9e1","#dfb9e1","#b8e0e1","#dee3e8"]

wezterm.lua

local wezterm = require 'wezterm'
local json = require 'dkjson'

local hostname=wezterm.hostname()

wezterm.on("format-tab-title", function(tab, tabs, panes, config, hover, max_width)
    local numpanes = ''
    if (#tab.panes > 1) then numpanes = '(' .. tostring(#tab.panes) .. ') ' end
    return numpanes .. tab.active_pane.title
end)

-- format window title
wezterm.on("format-window-title", function(tab, pane, tabs, panes, config)
    local numtabs = ''
    if (#tabs > 1) then numtabs = '(' .. tostring(#tabs) .. ') ' end
    return numtabs .. tab.active_pane.title
end)

return {
    adjust_window_size_when_changing_font_size = false,
    allow_square_glyphs_to_overflow_width = "WhenFollowedBySpace",
    audible_bell = "Disabled",
    automatically_reload_config = true,
    bold_brightens_ansi_colors = false,
    canonicalize_pasted_newlines = "LineFeed",
    check_for_updates = false,
    color_scheme = "Themer",
    default_cursor_style = "BlinkingBar",
    disable_default_key_bindings = true, -- use only my keybinds
    enable_csi_u_key_encoding = true, -- allow ctrl-tab, others?
    exit_behavior = "Close", -- close even when errors; may regret this
    font = wezterm.font({
        family = "Fira Code",
        harfbuzz_features = {
            "cv02", -- alternative g
            "cv24", -- not equals with slash /=
            "cv25", -- .- ligature
            "cv26", -- :- ligature
            "cv27", -- [] ligature
            "cv30", -- longer bar
            "ss01", -- alternative r
            "ss03", -- alternative & ampersand
            "ss05", -- different @ sign
            "ss07", -- =~ !~ ligatures
            "ss09" -- >>= <<= ||= |= ligatures
        }
    }),
    font_rules = {
        -- use Fira Mono for italics and bold italics
        {
            italic = true,
            font = wezterm.font("Fira Mono", { italic = true })
        },
        {
            italic = true,
            intensity = "Bold",
            font = wezterm.font("Fira Mono", {
                italic = true,
                weight = "Bold"
            })
        }
    },
    font_size = 14,
    hide_tab_bar_if_only_one_tab = true,
    -- desaturate inactive panes
    inactive_pane_hsb = {
        saturation = 0.8,
        brightness = 0.4,
    },
    keys = {
        -- LEADER MODIFIER (CapsLock) --
        -- leader c for copy
        { key = "c", mods = "LEADER", action = wezterm.action({
            CopyTo = "ClipboardAndPrimarySelection"
        })},
        -- leader f for search
        { key = "f", mods = "LEADER", action = wezterm.action({
            Search={CaseInSensitiveString=""}
        })},
        -- leader shift F for regex search
        { key = "F", mods = "LEADER|SHIFT", action = wezterm.action({
            Search={ Regex="" }
        })},
        -- leader h for "vertical" (horiz) split
        { key = "h", mods = "LEADER", action = wezterm.action({
            SplitVertical = { domain = "CurrentPaneDomain" }
        })},
        -- leader k clears scrollback, shift k the viewport too
        { key = "k", mods = "LEADER", action = wezterm.action({
            ClearScrollback="ScrollbackOnly"
        })},
        { key = "K", mods = "LEADER|SHIFT", action = wezterm.action({
            ClearScrollback="ScrollbackAndViewport"
        })},
        -- leader q is quick select
        { key = "q", mods = "LEADER", action = "QuickSelect" },
        -- leader t spawns tab in current pane domain
        { key = "t", mods = "LEADER", action = wezterm.action({
            SpawnTab = "CurrentPaneDomain"
        })},
        -- leader shift T spawns tab in default domain
        { key = "T", mods = "LEADER|SHIFT", action=wezterm.action({
            SpawnTab = "DefaultDomain"
        })},
        -- leader v pastes
        { key = "v", mods = "LEADER", action = wezterm.action({
            PasteFrom = "Clipboard"
        })},
        -- leader w closes current tab with confirm
        { key = "w", mods = "LEADER", action = wezterm.action({
           CloseCurrentPane = { confirm = true }
        })},
        -- leader x opens copy mode
        { key = "x", mods = "LEADER", action = "ActivateCopyMode" },
        -- leader z for pane zoom
        { key = "z", mods = "LEADER", action = "TogglePaneZoomState" },
        -- leader space to show launcher
        { key = "Space", mods = "LEADER", action = "ShowLauncher" },
        -- leader 1-5 goes to specific tab
        { key = "1", mods = "LEADER", action = wezterm.action({
            ActivateTab = 0
        })},
        { key = "2", mods = "LEADER", action = wezterm.action({
            ActivateTab = 1
        })},
        { key = "3", mods = "LEADER", action = wezterm.action({
            ActivateTab = 2
        })},
        { key = "4", mods = "LEADER", action = wezterm.action({
            ActivateTab = 3
        })},
        { key = "5", mods = "LEADER", action = wezterm.action({
            ActivateTab = 4
        })},
        -- leader 0 resets font size
        { key = "0", mods = "LEADER", action = "ResetFontSize" },
        -- leader enter for new window
        { key = "Enter", mods = "LEADER", action = "SpawnWindow" },
        -- leader F5 reloads configuration
        { key = "F5", mods = "LEADER", action = "ReloadConfiguration" },
        -- leader F11 for full screen
        { key = "F11", mods = "LEADER", action = "ToggleFullScreen" },
        -- leader / and leader | for "horiz" (vert) split
        { key = "\\", mods = "LEADER", action = wezterm.action({
            SplitHorizontal = { domain = "CurrentPaneDomain" }
        })},
        { key = "|", mods = "LEADER|SHIFT", action = wezterm.action({
            SplitHorizontal = { domain = "CurrentPaneDomain" }
        })},
        -- leader -/_ decreases font size
        { key = "-", mods = "LEADER", action = "DecreaseFontSize" },
        { key = "_", mods = "LEADER|SHIFT", action = "DecreaseFontSize" },
        -- leader =/+ increases font size
        { key = "=", mods = "LEADER", action = "IncreaseFontSize" },
        { key = "+", mods = "LEADER|SHIFT", action = "IncreaseFontSize" },
        -- leader tab, leader ] goes to next tab
        { key = "Tab", mods = "LEADER", action = wezterm.action({
            ActivateTabRelative = 1
        })},
        { key = "]", mods = "LEADER", action = wezterm.action({
            ActivateTabRelative = 1
        })},
        -- leader shift tab, leader [ goes to prev tab
        { key = "Tab", mods = "LEADER|SHIFT", action = wezterm.action({
            ActivateTabRelative = -1
        })},
        { key = "[", mods = "LEADER", action = wezterm.action({
            ActivateTabRelative = -1
        })},
        -- leader ctrl tab, leader ctrl ] moves tab (DOESN'T WORK)
        { key = "Tab", mods = "LEADER|CTRL", action = wezterm.action({
            MoveTabRelative = 1
        })},
        { key = "]", mods = "LEADER|CTRL", action = wezterm.action({
            MoveTabRelative = 1
        })},
        -- leader page Up, leader Page Down scrolls
        { key = "PageUp", mods="LEADER", action=wezterm.action({
            ScrollByPage = -1
        })},
        { key = "PageDown", mods="LEADER", action=wezterm.action({
            ScrollByPage=1
        })},
        -- leader arrow focus panes in direction
        { key = "LeftArrow", mods = "LEADER", action = wezterm.action({
            ActivatePaneDirection = "Left"
        })},
        { key = "RightArrow", mods = "LEADER", action = wezterm.action({
            ActivatePaneDirection = "Right"
        })},
        { key = "UpArrow", mods = "LEADER", action = wezterm.action({
            ActivatePaneDirection = "Up"
        })},
        { key = "DownArrow", mods = "LEADER", action = wezterm.action({
            ActivatePaneDirection = "Down"
        })},
        -- leader shift arrow resizes pane
        { key = "LeftArrow", mods = "LEADER|SHIFT", action=wezterm.action({
            AdjustPaneSize = { "Left", 1 }
        })},
        { key = "RightArrow", mods = "LEADER|SHIFT", action=wezterm.action({
            AdjustPaneSize = { "Right", 1 }
        })},
        { key = "UpArrow", mods = "LEADER|SHIFT", action=wezterm.action({
            AdjustPaneSize = { "Up", 1 }
        })},
        { key = "DownArrow", mods = "LEADER|SHIFT", action=wezterm.action({
            AdjustPaneSize = { "Down", 1 }
        })},
        -- OTHER MODIFIERS --
        -- shift-control-c copies
        { key = "c", mods = "SHIFT|CTRL", action = wezterm.action({
            CopyTo = "ClipboardAndPrimarySelection"
        })},
        -- ctrl-c either copy or interrupts depending on selection
        {
            key = "c",
            mods = "CTRL",
            action = wezterm.action_callback(function(window, pane)
                local has_selection = (
                    window:get_selection_text_for_pane(pane) ~= ""
                )
                if (has_selection) then
                    window:perform_action(
                        wezterm.action({
                            CopyTo="ClipboardAndPrimarySelection"
                        }),
                        pane
                    )
                -- not implemented yet; don't want it probably
                -- window:perform_action("ClearSelection", pane)
                else
                    window:perform_action(
                        wezterm.action({
                            SendKey = { key = "c", mods = "CTRL"}
                        }),
                        pane
                    )
                end
            end)
        },
        -- ctrl-v and shift-ctrl-v pastes
        { key = "v", mods = "CTRL", action = wezterm.action({
            PasteFrom = "Clipboard"
        })},
        { key = "v", mods = "CTRL|SHIFT", action = wezterm.action({
            PasteFrom = "Clipboard"
        })},
        -- ctrl 0 resets font size
        { key = "0", mods = "CTRL", action = "ResetFontSize" },
        -- shift insert pastes
        { key = "Insert", mods = "SHIFT", action = wezterm.action({
            PasteFrom = "Clipboard"
        })},
        -- control insert copies
        { key = "Insert", mods = "CTRL", action = wezterm.action({
            CopyTo = "ClipboardAndPrimarySelection"
        })},
        -- control -/_ decreases font size
        { key = "-", mods = "CTRL", action = "DecreaseFontSize" },
        { key = "_", mods = "CTRL|SHIFT", action = "DecreaseFontSize" },
        -- control =/+ increases font size
        { key = "=", mods = "CTRL", action = "IncreaseFontSize" },
        { key = "+", mods = "CTRL|SHIFT", action = "IncreaseFontSize" },
        -- Shift-PageUp, Shift-PageDown scrolls
        { key = "PageUp", mods = "SHIFT", action = wezterm.action({
            ScrollByPage = -1
        })},
        { key = "PageDown", mods = "SHIFT", action = wezterm.action({
            ScrollByPage = 1
        })}
    },
    -- capslock is leader
    leader = { key = "VoidSymbol", mods="", timeout_milliseconds = 1000 },
    pane_focus_follows_mouse = true,
    term = "wezterm",  -- use wezterm for $TERM variable
    visual_bell = { -- make visual bell flare cursor
        fade_in_duration_ms = 100,
        fade_out_duration_ms = 100,
        target = "CursorColor"
    },
    window_background_opacity = 0.7,
    window_decorations = "NONE",
    window_padding = {
        left = 0,
        right = 0,
        top = 0,
        bottom = 0
    }
}

Themer.toml goes in colors subfolder of $HOME/.config/wezterm.