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Cheetah

{{- $apps := .chezmoi.config.data.apps -}}
hl.config({
group = {
auto_group = true,
insert_after_current = true,
focus_removed_window = true,
drag_into_group = 1,
merge_groups_on_drag = true,
merge_groups_on_groupbar = true,
merge_floated_into_tiled_on_groupbar = true,
group_on_movetoworkspace = false,
-- colors to be integrated via theme table
groupbar = {
enabled = true,
height = 16,
font_family = "GeistMono Nerd Font",
font_size = 8,
font_weight_active = "semibold",
font_weight_inactive = "normal",
stacked = false,
gradients = true,
gradient_rounding = 6,
gradient_rounding_power = 4.0,
gradient_round_only_edges = false,
indicator_height = 0,
rounding = 0,
render_titles = true,
scrolling = true,
text_padding = 4,
priority = 3
}
}
})
-- Permissions (NEW in v0.55)
hl.permission({ binary = "/usr/bin/grim", type = "screencopy", mode = "allow" })
hl.permission({ binary = "/usr/bin/grimblast", type = "screencopy", mode = "allow" })
hl.permission({ binary = "/usr/bin/wf-recorder", type = "screencopy", mode = "allow" })
hl.permission({ binary = "/usr/lib/xdg-desktop-portal-hyprland", type = "screencopy", mode = "allow" })
hl.permission({ binary = "/usr/bin/hyprpm", type = "plugin", mode = "allow" })
-- Window Rules
hl.window_rule({ match = { class = ".*" }, suppress_event = "maximize" })
-- XWayland fixes
hl.window_rule({
match = { class = "^$", title = "^$", xwayland = true, float = true, fullscreen = false, pin = false },
no_focus = true
})
hl.window_rule({ match = { xwayland = true }, no_initial_focus = true })
-- App placement (data-driven from .placement; one workspace per entry, monitor
-- binding lives on the matching workspace_rule in workspaces.lua).
{{- range $p := .placement }}
{{- if or (not (hasKey $p "requires")) (has $p.requires $apps) }}
{{- $classes := list }}{{ range $c := $p.apps }}{{ $classes = append $classes ($c | replace "." "\\\\.") }}{{ end }}
hl.window_rule({ match = { class = "^({{ join "|" $classes }})$" }, workspace = "{{ $p.id }}{{ if $p.silent }} silent{{ end }}" })
{{- end }}
{{- end }}
-- App-home reassertion: some apps (Joplin) ignore the static silent workspace
-- rule at map time and open on the focused workspace instead. For placements
-- flagged `reassert`, re-apply the assignment by address when the window opens.
local reassert_homes = {
{{- range $p := .placement }}
{{- if and (index $p "reassert" | default false) (or (not (hasKey $p "requires")) (has $p.requires $apps)) }}
{{- range $c := $p.apps }}
["{{ $c }}"] = "{{ $p.id }}",
{{- end }}
{{- end }}
{{- end }}
}
hl.on("window.open", function(w)
if not (w and w.class and w.address) then return end
local ws = reassert_homes[w.class]
if ws then
hl.dispatch(hl.dsp.window.move({ workspace = ws, window = "address:" .. w.address, follow = false }))
end
end)
-- Game Content Bypass (Option A - per-monitor CTM bypass)
-- Automatically mark Steam games as "game" content type
hl.window_rule({ match = { class = "^steam_app_%d+$" }, 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" })
-- ─── Urgent window signalling ────────────────────────────────────────────────
-- apex-neon: red is reserved for danger. A window that requests `urgent`
-- (xdg-activation) wears a red border until you look at it; focusing it consumes
-- the urgency and restores the normal violet-active / cyan-inactive pair. Glow is
-- global/active-only, so urgency rides on the border, not the glow.
--
-- `match` has no `address` key (it's a dispatcher selector, not a rule prop), so
-- a single tag-matched rule carries the colour and we toggle an `urgent` tag on
-- the window by address. Untagging drops the rule, reverting to the global
-- active/inactive pair automatically — no explicit reset needed.
local theme = require("theme")
local urgent_addrs = {}
hl.window_rule({ match = { tag = "urgent" }, border_color = theme.border_urgent })
hl.on("window.urgent", function(w)
if not (w and w.address) then return end
urgent_addrs[w.address] = true
hl.dispatch(hl.dsp.window.tag({ tag = "+urgent", window = "address:" .. w.address }))
end)
hl.on("window.active", function(w)
if not (w and w.address) then return end
if not urgent_addrs[w.address] then return end
urgent_addrs[w.address] = nil
hl.dispatch(hl.dsp.window.tag({ tag = "-urgent", window = "address:" .. w.address }))
end)