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https://codeberg.org/muon/home.git
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314 lines
15 KiB
Nix
314 lines
15 KiB
Nix
{
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pkgs,
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lib,
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config,
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...
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}: let
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cfg = config.mods.terminal;
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color = config.lib.stylix.colors.withHashtag;
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# Shell to use inside wezterm
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shell =
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if cfg.nushell.enable
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then lib.getExe pkgs.nushell
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else if cfg.zsh.enable
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then lib.getExe pkgs.zsh
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else null;
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# ── Lua codegen helpers ──────────────────────────────────────────────────────
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luaKey = {
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key,
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mods ? null,
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action,
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indent ? " ",
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}: let
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modsStr = lib.optionalString (mods != null) ", mods = \"${mods}\"";
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in "${indent}{ key = \"${key}\"${modsStr}, action = ${action} },\n";
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# vi directions: key, arrow alias, wezterm direction name
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viDirs = [
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{key = "h"; arrow = "LeftArrow"; dir = "Left";}
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{key = "j"; arrow = "DownArrow"; dir = "Down";}
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{key = "k"; arrow = "UpArrow"; dir = "Up";}
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{key = "l"; arrow = "RightArrow"; dir = "Right";}
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];
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# hjkl + arrow equivalents; mkAction :: dir -> lua-action-string
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viDirKeys = {mods ? null, indent ? " ", mkAction}:
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lib.concatMapStrings (d:
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luaKey {inherit mods indent; key = d.key; action = mkAction d.dir;} +
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luaKey {inherit mods indent; key = d.arrow; action = mkAction d.dir;})
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viDirs;
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# 1-9 tab-jump bindings
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tabJumpKeys = {mods ? null, indent ? " "}:
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lib.concatStrings (builtins.genList (i:
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luaKey {
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inherit mods indent;
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key = toString (i + 1);
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action = "act.ActivateTab(${toString i})";
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})
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9);
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# hjkl + arrows for AdjustPaneSize at a given step
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resizeDirKeys = {step, indent ? " "}:
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lib.concatMapStrings (d:
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luaKey {inherit indent; key = d.key; action = "act.AdjustPaneSize({ \"${d.dir}\", ${toString step} })";} +
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luaKey {inherit indent; key = d.arrow; action = "act.AdjustPaneSize({ \"${d.dir}\", ${toString step} })";})
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viDirs;
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# Uppercase HJKL fine-tune resize
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resizeShiftKeys = {step, indent ? " "}:
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lib.concatMapStrings (d:
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luaKey {inherit indent; key = lib.toUpper d.key; action = "act.AdjustPaneSize({ \"${d.dir}\", ${toString step} })";})
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viDirs;
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# Wrap a lua action string so it also pops the key table (return to locked)
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andPop = action: "act.Multiple({ ${action}, act.PopKeyTable })";
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# Standard exit bindings, given the mode's own pop key
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exitKeys = {selfKey, indent ? " "}:
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lib.concatStrings [
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(luaKey {inherit indent; key = selfKey; action = "act.PopKeyTable";})
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(luaKey {inherit indent; key = "Escape"; action = "act.PopKeyTable";})
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(luaKey {inherit indent; key = "Enter"; action = "act.PopKeyTable";})
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(luaKey {inherit indent; key = "Space"; mods = "ALT"; action = "act.PopKeyTable";})
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];
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# ── Status bar ───────────────────────────────────────────────────────────────
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# Per-mode accent colour (base16) and hint string shown on the left status bar
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modes = {
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locked = {fg = color.base03; hint = "Alt+Space:enter Alt+hl:focus/tab Alt+1-9:tab Alt+n:split C-ud:scroll";};
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normal = {fg = color.base0D; hint = "p:pane t:tab r:resize s:scroll n:split Esc:exit";};
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pane = {fg = color.base0B; hint = "hjkl:focus n/r:split→ d:split↓ f:zoom x:close Esc:exit";};
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tab = {fg = color.base0C; hint = "hjkl:prev/next 1-9:jump n:new x:close r:rename Esc:exit";};
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resize = {fg = color.base0A; hint = "hjkl:+5 HJKL:+1 Esc:exit";};
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scroll = {fg = color.base0E; hint = "jk:line ud:half hl:page f:search Esc:exit";};
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};
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# Lua table literal mapping mode name -> { fg, hint }
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modeTableEntries = lib.concatStringsSep "\n " (lib.mapAttrsToList (name: m: ''
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["${name}"] = { fg = "${m.fg}", hint = "${m.hint}" },
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'') modes);
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in {
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options.mods.terminal.wezterm.enable = lib.mkEnableOption "enables wezterm";
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config = lib.mkIf cfg.wezterm.enable {
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programs.wezterm = {
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enable = true;
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extraConfig = ''
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local wezterm = require("wezterm")
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local act = wezterm.action
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-- ─── Helpers ───────────────────────────────────────────────────────────────
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-- move_focus_or_tab: mirrors Zellij's MoveFocusOrTab.
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-- Move focus in direction; if at the edge, switch to the adjacent tab.
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local function move_focus_or_tab(direction)
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return wezterm.action_callback(function(window, pane)
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local neighbour = pane:tab():get_pane_direction(direction)
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if neighbour ~= nil then
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window:perform_action(act.ActivatePaneDirection(direction), pane)
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else
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if direction == "Left" then
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window:perform_action(act.ActivateTabRelative(-1), pane)
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elseif direction == "Right" then
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window:perform_action(act.ActivateTabRelative(1), pane)
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end
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end
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end)
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end
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-- ─── Status bar ────────────────────────────────────────────────────────────
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-- Per-mode accent colour and hint text, generated from Nix/stylix palette
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local mode_info = {
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${modeTableEntries}
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}
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local bg_bar = "${color.base01}"
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local fg_text = "${color.base05}"
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local bg_main = "${color.base00}"
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wezterm.on("update-status", function(window, _pane)
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local kt = window:active_key_table()
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local mode = kt or "locked"
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local info = mode_info[mode] or mode_info["locked"]
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-- Left: coloured mode badge + hint line
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window:set_left_status(wezterm.format({
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{ Background = { Color = info.fg } },
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{ Foreground = { Color = bg_main } },
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{ Attribute = { Intensity = "Bold" } },
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{ Text = " " .. mode:upper() .. " " },
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"ResetAttributes",
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{ Background = { Color = bg_bar } },
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{ Foreground = { Color = fg_text } },
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{ Text = " " .. info.hint .. " " },
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"ResetAttributes",
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}))
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window:set_right_status("")
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end)
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-- ─── Appearance ────────────────────────────────────────────────────────────
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local config = wezterm.config_builder()
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-- Stylix sets the color scheme via its wezterm integration;
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-- this is a fallback in case it is not active.
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config.color_scheme = "Synthwave (Gogh)"
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config.font = wezterm.font("CommitMono Nerd Font")
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config.font_size = 12.0
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config.window_padding = { left = 6, right = 6, top = 6, bottom = 6 }
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config.default_cursor_style = "BlinkingBar"
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config.hide_tab_bar_if_only_one_tab = false
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config.use_fancy_tab_bar = false
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config.tab_bar_at_bottom = true
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-- ─── Shell ─────────────────────────────────────────────────────────────────
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${lib.optionalString (shell != null) ''
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config.default_prog = { "${shell}" }
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''}
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-- ─── Scrollback ────────────────────────────────────────────────────────────
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config.scrollback_lines = 10000
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-- ─── Key bindings ──────────────────────────────────────────────────────────
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--
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-- Default mode = "locked" (all keys pass through to the shell).
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-- Alt+Space enters "normal" mode (like Zellij).
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-- From normal: p→pane t→tab r→resize s→scroll
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-- Esc / Enter / Alt+Space → back to locked from any mode.
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config.disable_default_key_bindings = true
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config.keys = {
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-- Alt+h/l: move focus or switch tab at edge (Zellij MoveFocusOrTab)
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-- Alt+j/k: move focus between panes
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${viDirKeys {
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mods = "ALT";
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indent = " ";
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mkAction = d:
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if d == "Left" || d == "Right"
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then "move_focus_or_tab(\"${d}\")"
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else "act.ActivatePaneDirection(\"${d}\")";
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}}
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-- Alt+1-9: jump to tab by number
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${tabJumpKeys {mods = "ALT"; indent = " ";}}
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-- Alt+n: new pane (split right)
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{ key = "n", mods = "ALT", action = act.SplitHorizontal({ domain = "CurrentPaneDomain" }) },
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-- Alt+f: toggle zoom
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{ key = "f", mods = "ALT", action = act.TogglePaneZoomState },
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-- Alt+[/]: rotate panes
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{ key = "[", mods = "ALT", action = act.RotatePanes("CounterClockwise") },
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{ key = "]", mods = "ALT", action = act.RotatePanes("Clockwise") },
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-- Alt++/-/=: font size
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{ key = "+", mods = "ALT", action = act.IncreaseFontSize },
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{ key = "-", mods = "ALT", action = act.DecreaseFontSize },
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{ key = "=", mods = "ALT", action = act.ResetFontSize },
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-- Alt+i/o: reorder tabs
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{ key = "i", mods = "ALT", action = act.MoveTabRelative(-1) },
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{ key = "o", mods = "ALT", action = act.MoveTabRelative(1) },
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-- Alt+q: quit
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{ key = "q", mods = "ALT", action = act.QuitApplication },
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-- Ctrl+U/D: scroll half page (matches Alacritty)
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{ key = "u", mods = "CTRL", action = act.ScrollByPage(-0.5) },
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{ key = "d", mods = "CTRL", action = act.ScrollByPage(0.5) },
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-- Copy / paste
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{ key = "c", mods = "CTRL|SHIFT", action = act.CopyTo("Clipboard") },
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{ key = "v", mods = "CTRL|SHIFT", action = act.PasteFrom("Clipboard") },
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-- Enter normal mode
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{ key = "Space", mods = "ALT", action = act.ActivateKeyTable({ name = "normal", one_shot = false }) },
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}
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config.key_tables = {
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-- ── NORMAL ─────────────────────────────────────────────────────────────
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normal = {
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{ key = "p", action = act.ActivateKeyTable({ name = "pane", one_shot = false }) },
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{ key = "t", action = act.ActivateKeyTable({ name = "tab", one_shot = false }) },
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{ key = "r", action = act.ActivateKeyTable({ name = "resize", one_shot = false }) },
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{ key = "s", action = act.ActivateKeyTable({ name = "scroll", one_shot = false }) },
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{ key = "n", action = ${andPop "act.SplitHorizontal({ domain = \"CurrentPaneDomain\" })"} },
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${exitKeys {selfKey = "Escape";}} },
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-- ── PANE ───────────────────────────────────────────────────────────────
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pane = {
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${viDirKeys {
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mkAction = d:
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if d == "Left" || d == "Right"
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then "move_focus_or_tab(\"${d}\")"
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else "act.ActivatePaneDirection(\"${d}\")";
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}}
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{ key = "n", action = ${andPop "act.SplitHorizontal({ domain = \"CurrentPaneDomain\" })"} },
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{ key = "r", action = ${andPop "act.SplitHorizontal({ domain = \"CurrentPaneDomain\" })"} },
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{ key = "d", action = ${andPop "act.SplitVertical({ domain = \"CurrentPaneDomain\" })"} },
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{ key = "f", action = ${andPop "act.TogglePaneZoomState"} },
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{ key = "z", action = ${andPop "act.TogglePaneZoomState"} },
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{ key = "x", action = ${andPop "act.CloseCurrentPane({ confirm = true })"} },
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{ key = "Tab", action = act.ActivatePaneDirection("Next") },
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${exitKeys {selfKey = "p";}} },
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-- ── TAB ────────────────────────────────────────────────────────────────
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tab = {
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{ key = "h", action = act.ActivateTabRelative(-1) },
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{ key = "k", action = act.ActivateTabRelative(-1) },
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{ key = "j", action = act.ActivateTabRelative(1) },
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{ key = "l", action = act.ActivateTabRelative(1) },
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{ key = "LeftArrow", action = act.ActivateTabRelative(-1) },
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{ key = "UpArrow", action = act.ActivateTabRelative(-1) },
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{ key = "RightArrow", action = act.ActivateTabRelative(1) },
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{ key = "DownArrow", action = act.ActivateTabRelative(1) },
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{ key = "Tab", action = act.ActivateTabRelative(1) },
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${tabJumpKeys {}}
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{ key = "n", action = ${andPop "act.SpawnTab(\"CurrentPaneDomain\")"} },
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{ key = "x", action = ${andPop "act.CloseCurrentTab({ confirm = true })"} },
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{ key = "r", action = act.PromptInputLine({
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description = "Rename tab",
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action = wezterm.action_callback(function(window, _, line)
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if line then window:active_tab():set_title(line) end
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window:perform_action(act.PopKeyTable, window:active_pane())
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end),
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})
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},
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${exitKeys {selfKey = "t";}} },
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-- ── RESIZE ─────────────────────────────────────────────────────────────
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resize = {
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${resizeDirKeys {step = 5;}}${resizeShiftKeys {step = 1;}}
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{ key = "+", action = act.AdjustPaneSize({ "Right", 5 }) },
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{ key = "-", action = act.AdjustPaneSize({ "Left", 5 }) },
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{ key = "=", action = act.AdjustPaneSize({ "Right", 5 }) },
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${exitKeys {selfKey = "r";}} },
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-- ── SCROLL ─────────────────────────────────────────────────────────────
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scroll = {
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{ key = "j", action = act.ScrollByLine(1) },
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{ key = "k", action = act.ScrollByLine(-1) },
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{ key = "d", action = act.ScrollByPage(0.5) },
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{ key = "u", action = act.ScrollByPage(-0.5) },
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{ key = "h", action = act.ScrollByPage(-1) },
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{ key = "l", action = act.ScrollByPage(1) },
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{ key = "DownArrow", action = act.ScrollByLine(1) },
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{ key = "UpArrow", action = act.ScrollByLine(-1) },
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{ key = "PageDown", action = act.ScrollByPage(1) },
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{ key = "PageUp", action = act.ScrollByPage(-1) },
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{ key = "f", action = act.Search({ CaseSensitiveString = "" }) },
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{ key = "c", mods = "CTRL", action = act.ScrollToBottom },
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${exitKeys {selfKey = "s";}} },
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}
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return config
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'';
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};
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};
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}
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