configuration.nix/home/gui/sway-config.nix

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{
config,
pkgs,
}: let
cfg = config.jhome.gui.sway;
modifier = "Mod4";
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inherit (config.jhome.gui) terminal;
termCmd =
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if terminal == "wezterm"
then "wezterm start"
else if terminal == "alacritty"
then "alacritty -e"
else builtins.abort "no command configured for ${terminal}";
menu = "${pkgs.fuzzel}/bin/fuzzel --terminal '${termCmd}'";
# currently, there is some friction between sway and gtk:
# https://github.com/swaywm/sway/wiki/GTK-3-settings-on-Wayland
# the suggested way to set gtk settings is with gsettings
# for gsettings to work, we need to tell it where the schemas are
# using the XDG_DATA_DIR environment variable
# run at the end of sway config
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configure-gtk = let
schema = pkgs.gsettings-desktop-schemas;
datadir = "${schema}/share/gsettings-schemas/${schema.name}";
in
pkgs.writers.writeDashBin "configure-gtk" ''
export XDG_DATA_DIRS=${datadir}:$XDG_DATA_DIRS
gnome_schema=org.gnome.desktop.interface
config="${config.xdg.configHome}/gtk-3.0/settings.ini"
if [ ! -f "$config" ]; then exit 1; fi
# Read settings from gtk3
gtk_theme="$(${pkgs.gnugrep}/bin/grep 'gtk-theme-name' "$config" | ${pkgs.gnused}/bin/sed 's/.*\s*=\s*//')"
icon_theme="$(${pkgs.gnugrep}/bin/grep 'gtk-icon-theme-name' "$config" | ${pkgs.gnused}/bin/sed 's/.*\s*=\s*//')"
cursor_theme="$(${pkgs.gnugrep}/bin/grep 'gtk-cursor-theme-name' "$config" | ${pkgs.gnused}/bin/sed 's/.*\s*=\s*//')"
font_name="$(grep 'gtk-font-name' "$config" | sed 's/.*\s*=\s*//')"
${pkgs.glib}/bin/gsettings set "$gnome_schema" gtk-theme "$gtk_theme"
${pkgs.glib}/bin/gsettings set "$gnome_schema" icon-theme "$icon_theme"
${pkgs.glib}/bin/gsettings set "$gnome_schema" cursor-theme "$cursor_theme"
${pkgs.glib}/bin/gsettings set "$gnome_schema" font-name "$font_name"
${pkgs.glib}/bin/gsettings set "$gnome_schema" color-scheme prefer-dark
'';
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cmdOnce = command: {inherit command;};
cmdAlways = command: {
inherit command;
always = true;
};
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in {
inherit modifier terminal menu;
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keybindings = import ./keybindings.nix {inherit config pkgs;};
# Appearance
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bars = []; # Waybar is started as a systemd service
gaps = {
smartGaps = true;
smartBorders = "on";
inner = 4;
};
output."*".bg = "${cfg.background} fill";
# Window Appearance
window.border = 2;
# Make certain windows floating
window.commands = [
{
command = "floating enable";
criteria.title = "zoom";
}
{
command = "floating enable";
criteria.class = "floating";
}
{
command = "floating enable";
criteria.app_id = "floating";
}
];
# Startup scripts
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startup =
[
(cmdAlways "${configure-gtk}/bin/configure-gtk")
]
++ (builtins.map cmdAlways cfg.exec.always)
++ (builtins.map cmdOnce cfg.exec.once);
# Keyboard configuration
input."type:keyboard" = {
repeat_delay = "300";
repeat_rate = "50";
xkb_options = "caps:swapescape,compose:ralt";
xkb_numlock = "enabled";
};
# Touchpad
input."type:touchpad" = {
click_method = "clickfinger";
natural_scroll = "enabled";
scroll_method = "two_finger";
tap = "enabled";
tap_button_map = "lrm";
};
}