dotfiles/dot_config/hypr/hyprland.d.lua/rules.lua.tmpl

{{- $tags := .chezmoi.config.data.tags -}}

hl.config({
  group = {
    auto_group = true,
    insert_after_current = true,
    focus_removed_window = true,
    drag_into_group = 1,
    merge_groups_on_drag = true,
    merge_groups_on_groupbar = true,
    merge_floated_into_tiled_on_groupbar = true,
    group_on_movetoworkspace = false,
    -- colors to be integrated via theme table
    groupbar = {
      enabled = true,
      height = 16,
      font_family = "GeistMono Nerd Font",
      font_size = 8,
      font_weight_active = "semibold",
      font_weight_inactive = "normal",
      stacked = false,
      gradients = true,
      gradient_rounding = 6,
      gradient_rounding_power = 4.0,
      gradient_round_only_edges = false,
      indicator_height = 0,
      rounding = 0,
      render_titles = true,
      scrolling = true,
      text_padding = 4,
      priority = 3
    }
  }
})

-- Permissions (NEW in v0.55)
hl.permission({ binary = "/usr/bin/grim",                        type = "screencopy", mode = "allow" })
hl.permission({ binary = "/usr/bin/grimblast",                   type = "screencopy", mode = "allow" })
hl.permission({ binary = "/usr/bin/wf-recorder",                 type = "screencopy", mode = "allow" })
hl.permission({ binary = "/usr/lib/xdg-desktop-portal-hyprland", type = "screencopy", mode = "allow" })
hl.permission({ binary = "/usr/bin/hyprpm",                      type = "plugin",     mode = "allow" })

-- Window Rules
hl.window_rule({ match = { class = ".*" }, suppress_event = "maximize" })

-- XWayland fixes
hl.window_rule({ 
  match = { class = "^$", title = "^$", xwayland = true, float = true, fullscreen = false, pin = false },
  no_focus = true
})
hl.window_rule({ match = { xwayland = true }, no_initial_focus = true })

-- Communication
hl.window_rule({ match = { class = "^(info\\.mumble\\.Mumble|discord|vesktop|teamspeak-client|TeamSpeak|TeamSpeak 3|teamspeak3)$" }, workspace = "2" })
hl.window_rule({ match = { class = "^(Element)$" }, workspace = "3" })

-- Mail
hl.window_rule({ match = { class = "^(org\\.mozilla\\.Thunderbird)$" }, workspace = "1" })

-- Notes
hl.window_rule({ match = { class = "^(@joplin/app-desktop)$" }, workspace = "4" })

{{- if index $tags "entertainment" }}
-- Multimedia
hl.window_rule({ match = { class = "Spotify" }, workspace = "6" })
{{- end }}

{{- if index $tags "cs2" }}
-- Gaming
hl.window_rule({ match = { class = "^(steam)$" }, workspace = "5" })
{{- end }}

-- Game Content Bypass (Option A - per-monitor CTM bypass)
-- Automatically mark Steam games as "game" content type
hl.window_rule({ match = { class = "^steam_app_%d+$" }, content = "game" })

-- Dynamic bypass for custom environment variable NO_BLUELIGHT=1
local function get_process_env(pid, name)
  if not pid or pid <= 0 then return nil end
  local f = io.open("/proc/" .. tostring(pid) .. "/environ", "r")
  if not f then return nil end
  local content = f:read("*a")
  f:close()
  if not content then return nil end
  for var in content:gmatch("([^%z]+)") do
    local k, v = var:match("^([^=]+)=(.*)$")
    if k == name then
      return v
    end
  end
  return nil
end

-- Escape regex metacharacters so classes like "org.mozilla.firefox" match literally.
local function regex_escape(s)
  return (s:gsub("([%^%$%.%|%?%*%+%(%)%[%]%{%}\\])", "\\%1"))
end

-- window_rule registrations persist, so only add one per class (otherwise rules
-- accumulate on every matching window.open).
local bluelight_bypassed = {}
hl.on("window.open", function(w)
  if not (w.pid and w.pid > 0 and w.class) then return end
  if bluelight_bypassed[w.class] then return end
  if get_process_env(w.pid, "NO_BLUELIGHT") == "1" then
    bluelight_bypassed[w.class] = true
    hl.window_rule({ match = { class = "^" .. regex_escape(w.class) .. "$" }, content = "game" })
  end
end)

-- System
hl.window_rule({ match = { class = "com.saivert.pwvucontrol" }, float = true })

hl.window_rule({ 
  match = { class = "scrrec" }, 
  float = true, pin = true, idle_inhibit = "always", 
  rounding = 10, opacity = 0.6, border_size = 0,
  size = { 300, 100 }, move = { "1%", "1%" }, monitor = 0,
  no_initial_focus = true
})

hl.window_rule({ match = { class = "com.gabm.satty" }, float = true, min_size = { 700, 400 } })

-- Layer Rules
hl.layer_rule({ match = { namespace = "quickshell:.*" }, blur = true, ignore_alpha = 0.79 })
hl.layer_rule({ match = { namespace = "quickshell:popout" }, animation = "bouncy" })