{ config, lib, pkgs, ... }: with lib; let _1password = "${config.programs._1password-gui.package}/bin/1password"; gamescope = "${config.programs.gamescope.package}/bin/gamescope"; hyprctl = "${config.programs.hyprland.package}/bin/hyprctl"; kitty = "${config.home-manager.users.${config.custom.username}.programs.kitty.package}/bin/kitty"; launch = config.home-manager.users.${config.custom.username}.home.file.".local/bin/launch".source; loupe = "${pkgs.loupe}/bin/loupe"; onlyoffice = "${pkgs.onlyoffice-bin}/bin/onlyoffice-desktopeditors"; pgrep = "${pkgs.procps}/bin/pgrep"; steam = "${config.programs.steam.package}/bin/steam"; virt-manager = "${pkgs.virt-manager}/bin/virt-manager"; waydroid = "${pkgs.waydroid}/bin/waydroid"; youtube-music = "${pkgs.youtube-music}/bin/youtube-music"; cfg = config.custom.desktops.hyprland.rules; in { options.custom.desktops.hyprland.rules.enable = mkOption {default = false;}; config.home-manager.users.${config.custom.username} = mkIf cfg.enable { wayland.windowManager.hyprland.settings = { # BUG: on-created-empty race condition with delayed windows # https://github.com/hyprwm/Hyprland/issues/5663 # https://wiki.hyprland.org/Configuring/Workspace-Rules #?? workspace = WORKSPACE, RULES workspace = [ "name:gamescope, on-created-empty:MANGOHUD=0 ${gamescope} --fullscreen --steam ${steam}" "special:android, on-created-empty:${waydroid} app launch com.YoStarEN.Arknights" "special:music, on-created-empty:${youtube-music}" "special:office, on-created-empty:[tile] ${onlyoffice}" "special:password, on-created-empty:${launch} --empty --tile --workspace special:password ${_1password}" "special:steam, on-created-empty:${steam}" "special:terminal, on-created-empty:${kitty}" "special:vm, on-created-empty:${pgrep} -x vm || ${virt-manager}" "special:wallpaper, on-created-empty:[tile] ${loupe} /tmp/wallpaper.png" ]; # https://wiki.hyprland.org/Configuring/Window-Rules #?? windowrulev2 = RULE, WINDOW windowrulev2 = with config.custom; let # HACK: Attempts to account for hypr-specific scale, gaps, borders, and bar padding ### Static geometry rules tr = num: toString (builtins.floor num); # Convert truncated float to string # Bottom center clipboard = rec { x = tr (width / scale / 2 - (toInt w) / 2); y = tr (height / scale - (toInt h) - gap - padding + ( if ultrawide then - border # Cause unknown else 0 )); w = "600"; h = tr (height / scale * 0.75); # 75% }; # Bottom center dropdown = rec { x = tr (width / scale / 2 - (toInt w) / 2); y = tr (height / scale - (toInt h) - gap - padding + ( if ultrawide then - border # Cause unknown else 0 )); w = tr ( width / scale * ( if ultrawide then 0.5 # 50% else 1 ) + ( if ultrawide then - gap / 2 * 2 # Center layout padding between windows else - gap * 2 ) - border * 2 ); h = tr (height / scale * ( if ultrawide then 0.2 # 20% else 0.3 # 30% )); }; # Top right pip = rec { x = tr (width / scale - (toInt w) - gap - border); y = tr (gap + border); w = tr (width / scale * 0.25 - gap - gap / 2 - border * 2); # 25% h = tr ((toInt w) * 9 / 16 + 1); # 16:9 aspect ratio }; ### Rules # Return hypr-formatted string, converting booleans into 0/1 format = field: expr: "${field}:${ toString ( if expr == true then 1 else if expr == false then 0 else expr ) }"; # Generate hypr-formatted window rules #?? merge merge = field: expr: rules: map ( rule: if builtins.isAttrs field then "${rule}, ${lib.concatStringsSep ", " (lib.mapAttrsToList (f: e: format f e) field)}" else "${rule}, ${format field expr}" ) rules; class = expr: rules: merge "class" "^${expr}$" rules; floating = expr: rules: merge "floating" expr rules; fullscreen = expr: rules: merge "fullscreen" expr rules; pinned = expr: rules: merge "pinned" expr rules; title = expr: rules: merge "title" "^${expr}$" rules; fields = fields: rules: merge fields null rules; ### Pseudo-tags # Wrap generated rules in Nix categories tag = { android = rules: [ (class "waydroid.*" rules) ]; clipboard = rules: [ (class "clipboard" rules) ]; dropdown = rules: [ (class "dropdown" rules) ]; editor = rules: [ (class "codium-url-handler" rules) # VSCode (class "obsidian" (rules ++ ["group barred"])) ]; files = rules: [ (class "org\\.gnome\\.Nautilus" rules) ]; game = rules: [ (class "moe\\.launcher\\.the-honkers-railway-launcher" (rules ++ ["size 1280 730"])) # Honkai: Star Rail (class "net.retrodeck.retrodeck" rules) # Emulators (class "steam_app_.+" rules) # Proton ]; media = rules: [ (class "org\\.gnome\\.Loupe" rules) (class "totem" rules) ]; music = rules: [ (class "Spotify" rules) (class "YouTube Music" rules) (title "Spotify Premium" rules) ]; office = rules: [ (class "libreoffice.+" rules) (class "ONLYOFFICE Desktop Editors" rules) ]; password = rules: [ (class "1Password" rules) (class "Bitwarden" rules) ]; pip = rules: [ (title "Picture.in.[Pp]icture" rules) ]; social = rules: [ (class "cinny" rules) (class "discord" rules) (class "Element" rules) (class "org\\.telegram\\.desktop" rules) (class "signal" rules) ]; steam = rules: [ (class "SDL Application" rules) # Steam (class "steam" rules) ]; terminal = rules: [ (class "foot" rules) (class "kitty" rules) (class "org\\.wezfurlong\\.wezterm" rules) ]; vm = rules: [ (class "(sdl-|wl|x)freerdp" (rules ++ ["nomaxsize" "tile"])) (class "virt-manager" rules) ]; wine = rules: [ (class ".*\\.(exe|x86_64)" rules) # Wine ]; }; in flatten [ ### Defaults (class ".*" ["float" "suppressevent maximize" "syncfullscreen"]) (floating false ["noshadow"]) (floating true ["noborder"]) (fullscreen true ["idleinhibit focus"]) (pinned true ["bordercolor rgb(073642) rgb(073642)"]) (tag.android ["tile" "workspace special:android"]) (tag.clipboard ["move ${clipboard.x} ${clipboard.y}" "pin" "size ${clipboard.w} ${clipboard.h}" "stayfocused"]) (tag.dropdown ["move ${dropdown.x} ${dropdown.y}" "pin" "size ${dropdown.w} ${dropdown.h}"]) (tag.editor ["group invade" "tile"]) (tag.files ["center" "size 1000 625"]) (tag.game ["fullscreen" "group barred" "idleinhibit always" "noborder" "noshadow" "renderunfocused" "workspace name:game"]) #// (tag.media ["tile" "workspace special:scratchpad"]) (tag.music ["tile" "workspace special:music"]) (tag.office ["workspace special:office"]) (tag.password ["center" "workspace special:password"]) (tag.pip ["keepaspectratio" "move ${pip.x} ${pip.y}" "pin" "size ${pip.w} ${pip.h}"]) (tag.social ["group invade lock" "tile"]) (tag.steam ["suppressevent activate activatefocus" "workspace special:steam"]) (tag.terminal ["tile"]) (tag.vm ["workspace special:vm"]) (tag.wine ["noborder" "noshadow"]) ### Overrides (class "signal" ["group new"]) (class "steam_app_1473350" ["workspace 0"]) # (the) Gnorp Apologue (class "Tap Wizard 2.x86_64" ["workspace 0"]) (class "Xdg-desktop-portal-gtk" ["noborder" "noshadow"]) #!! Expressions are not wrapped in ^$ (fields { class = "^1Password$"; title = "^1Password$"; } ["stayfocused"]) (fields { class = "^com\\.github\\.wwmm\\.easyeffects$"; title = "^Easy Effects$"; # Main window } ["size 50% 50%"]) (fields { class = "^discord$"; title = "^Discord Updater$"; # Update dialog } ["float" "nofocus"]) (fields { class = "^lutris$"; title = "^Lutris$"; # Main window } ["center" "size 1000 500"]) (fields { class = "^org\\.gnome\\.Nautilus$"; title = "^New Folder$"; } ["stayfocused"]) (fields { class = "^org\\.remmina\\.Remmina$"; title = "^Remmina Remote Desktop Client$"; # Main window } ["center" "size 1000 500" "workspace +1"]) (fields { class = "^steam$"; title = "^notificationtoasts$"; # Steam notifications } ["pin"]) (fields { class = "^steam$"; title = "^Steam$"; # Main window } ["tile"]) (fields { class = "^virt-manager$"; title = "^.+on QEMU/KVM$"; # VM window } ["tile"]) ]; }; }; }