Files
dev/configs/nixos/modules/desktop/session/hyprland/default.nix

304 lines
9.9 KiB
Nix

{
config,
lib,
pkgs,
...
}:
# The Hyprland compositor.
let
cfg = config.modules.desktop.session.hyprland; # NOLINT(let_order)
cursor = config.stylix.cursor;
mkBind = key: dispatcher: options: {
_args = [
(lua key)
dispatcher
]
++ lib.optional (options != { }) options;
};
lua = lib.generators.mkLuaInline;
# Numbered-workspace switch and move for 1..9, the operator's i3 muscle memory.
workspaceBinds = lib.concatMap (n: [
(mkBind ''mod .. " + ${toString n}"'' (lua ''hl.dsp.focus({ workspace = "${toString n}" })'') { })
(mkBind ''mod .. " + SHIFT + ${toString n}"''
(lua ''hl.dsp.window.move({ workspace = "${toString n}", follow = false })'')
{ }
)
]) (lib.range 1 9);
# Flip the tiling strategy between the two built-in layouts, since neither a
# dispatcher nor a keyword toggles it on its own.
toggleLayout = pkgs.writeShellScript "hypr-toggle-layout" ''
if [ "$(${config.programs.hyprland.package}/bin/hyprctl getoption -j general:layout | ${pkgs.jq}/bin/jq -r .str)" = dwindle ]; then
${config.programs.hyprland.package}/bin/hyprctl keyword general:layout master
else
${config.programs.hyprland.package}/bin/hyprctl keyword general:layout dwindle
fi
'';
in
{
options.modules.desktop.session.hyprland = {
enable = lib.mkEnableOption "the Hyprland compositor";
blur = lib.mkEnableOption ''
window blur. Off by default as the single biggest battery cost on a
laptop, left on for a host with the headroom to spend it'';
};
config = lib.mkIf cfg.enable {
# This program integration owns the session, portals, and polkit, launched
# through the universal Wayland session manager.
programs.hyprland = {
enable = true;
withUWSM = true;
};
home-manager.users.${config.user.name}.wayland.windowManager.hyprland = {
enable = true;
# One package drives the whole session, so there is never a version split.
# The program integration above installs it and the portal, leaving home-
# manager to write only the config.
package = null;
portalPackage = null;
# uwsm owns the systemd graphical-session targets.
systemd.enable = false;
configType = "lua";
settings = {
mod = {
_var = "SUPER";
};
terminal = {
_var = "ghostty";
};
# Session variables handed to the compositor directly.
# UWSM launches the session without the shell profile that would carry
# them, so a variable the compositor or its children must see is set
# here rather than through home-manager's sessionVariables.
env = [
{
_args = [
"NIXOS_OZONE_WL"
"1"
];
}
]
# Bibata ships XCursor only.
# The hyprcursor variables name the same theme, which Hyprland
# resolves through its XCursor fallback.
++ lib.optionals (cursor != null) [
{
_args = [
"XCURSOR_THEME"
cursor.name
];
}
{
_args = [
"XCURSOR_SIZE"
(toString cursor.size)
];
}
{
_args = [
"HYPRCURSOR_THEME"
cursor.name
];
}
{
_args = [
"HYPRCURSOR_SIZE"
(toString cursor.size)
];
}
];
config = {
input = {
kb_layout = "us";
# Caps is a second Escape.
# Shift+Caps still toggles a real CapsLock.
kb_options = "caps:escape_shifted_capslock";
# Snappy key repeat.
repeat_delay = 250;
repeat_rate = 45;
accel_profile = "flat";
touchpad = {
natural_scroll = true;
tap_to_click = true;
disable_while_typing = true;
};
};
general = {
gaps_in = 4;
gaps_out = 8;
border_size = 2;
layout = "dwindle";
};
decoration = {
rounding = 6;
blur.enabled = cfg.blur;
};
# XWayland clients render at the panel's native resolution instead of
# being raster-scaled by the compositor at the fractional monitor scale.
xwayland.force_zero_scaling = true;
animations.enabled = true;
dwindle = {
preserve_split = true;
};
};
curve = {
_args = [
"ease"
{
type = "bezier";
points = [
[
0.25
0.1
]
[
0.25
1.0
]
];
}
];
};
# Durations are in centiseconds.
# Short values keep the motion subtle.
animation = [
{
leaf = "windows";
enabled = true;
speed = 3;
bezier = "ease";
}
{
leaf = "fade";
enabled = true;
speed = 3;
bezier = "ease";
}
# Layer surfaces like the launcher fade in a touch quicker than windows.
{
leaf = "layersIn";
enabled = true;
speed = 2;
bezier = "ease";
}
{
leaf = "fadeLayersIn";
enabled = true;
speed = 2;
bezier = "ease";
}
{
leaf = "workspaces";
enabled = true;
speed = 3;
bezier = "ease";
}
{
leaf = "border";
enabled = true;
speed = 3;
bezier = "ease";
}
];
bind = [
(mkBind ''mod .. " + RETURN"'' (lua "hl.dsp.exec_cmd(terminal)") { })
# Move focus.
(mkBind ''mod .. " + H"'' (lua ''hl.dsp.focus({ direction = "left" })'') { })
(mkBind ''mod .. " + J"'' (lua ''hl.dsp.focus({ direction = "down" })'') { })
(mkBind ''mod .. " + K"'' (lua ''hl.dsp.focus({ direction = "up" })'') { })
(mkBind ''mod .. " + L"'' (lua ''hl.dsp.focus({ direction = "right" })'') { })
# Move the window within the layout.
(mkBind ''mod .. " + SHIFT + H"'' (lua ''hl.dsp.window.move({ direction = "l" })'') { })
(mkBind ''mod .. " + SHIFT + J"'' (lua ''hl.dsp.window.move({ direction = "d" })'') { })
(mkBind ''mod .. " + SHIFT + K"'' (lua ''hl.dsp.window.move({ direction = "u" })'') { })
(mkBind ''mod .. " + SHIFT + L"'' (lua ''hl.dsp.window.move({ direction = "r" })'') { })
# Resize the active window.
(mkBind ''mod .. " + ALT + H"'' (lua "hl.dsp.window.resize({ x = -40, y = 0, relative = true })")
{ }
)
(mkBind ''mod .. " + ALT + J"'' (lua "hl.dsp.window.resize({ x = 0, y = 40, relative = true })")
{ }
)
(mkBind ''mod .. " + ALT + K"'' (lua "hl.dsp.window.resize({ x = 0, y = -40, relative = true })")
{ }
)
(mkBind ''mod .. " + ALT + L"'' (lua "hl.dsp.window.resize({ x = 40, y = 0, relative = true })")
{ }
)
(mkBind ''mod .. " + SPACE"'' (lua "hl.dsp.window.float()") { })
(mkBind ''mod .. " + F"'' (lua "hl.dsp.window.fullscreen()") { })
# togglesplit is a dwindle layout message, reached through layoutmsg.
(mkBind ''mod .. " + T"'' (lua ''hl.dsp.layout("togglesplit")'') { })
(mkBind ''mod .. " + SHIFT + T"'' (lua "hl.dsp.exec_cmd(${builtins.toJSON toggleLayout})") { })
(mkBind ''mod .. " + SHIFT + Q"'' (lua "hl.dsp.window.close()") { })
(mkBind ''mod .. " + CTRL + Q"'' (lua "hl.dsp.window.kill()") { })
]
++ workspaceBinds
# Volume and brightness keys repeat while held, each raising a popup
# through the OSD client.
# Volume is capped at 100 percent.
# The client floors brightness so a full hold cannot black the screen out.
++ [
(mkBind (builtins.toJSON "XF86AudioRaiseVolume")
(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --output-volume raise --max-volume 100"})")
{ repeating = true; }
)
(mkBind (builtins.toJSON "XF86AudioLowerVolume")
(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --output-volume lower"})")
{ repeating = true; }
)
(mkBind (builtins.toJSON "XF86MonBrightnessUp")
(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --brightness raise"})")
{ repeating = true; }
)
(mkBind (builtins.toJSON "XF86MonBrightnessDown")
(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --brightness lower"})")
{ repeating = true; }
)
]
# Mute and media transport still fire while the session is locked.
++ [
(mkBind (builtins.toJSON "XF86AudioMute")
(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.swayosd}/bin/swayosd-client --output-volume mute-toggle"})")
{ locked = true; }
)
(mkBind (builtins.toJSON "XF86AudioPlay")
(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.playerctl}/bin/playerctl play-pause"})")
{ locked = true; }
)
(mkBind (builtins.toJSON "XF86AudioNext")
(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.playerctl}/bin/playerctl next"})")
{ locked = true; }
)
(mkBind (builtins.toJSON "XF86AudioPrev")
(lua "hl.dsp.exec_cmd(${builtins.toJSON "${pkgs.playerctl}/bin/playerctl previous"})")
{ locked = true; }
)
];
};
};
};
}