Import from root chezmoi source

looknfeel.lua

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+-- Change the default Omarchy look'n'feel.
+--
+-- Load order is Omarchy defaults -> current theme's hyprland.lua -> this file
+-- (see $OMARCHY_PATH/default/hypr/omarchy.lua), so whatever is set here is the
+-- last writer and wins over the theme. That is the point of this file: a theme
+-- picks colours, the compositor's feel stays ours.
+
+-- Flat by default, glass for terminals only.
+--
+-- Stock quattro is rounding 0, blur off, shadow off
+-- ($OMARCHY_PATH/default/hypr/looknfeel.lua); themes that ship a hyprland.lua
+-- turn all three on for every window (Cyberdream and Spectra both did), which
+-- on this box is a bad trade: blur over an eDP panel plus a 5K Studio Display
+-- is real frame time on an iGPU sharing system memory, and Chromium/Electron
+-- windows cannot paint a transparent background, so fading them just shows
+-- wallpaper where page background should be.
+--
+-- Blur has to be enabled globally to exist at all -- there is no positive
+-- `blur` window rule, only `no_blur`, and kitty's own `background_blur` (the
+-- ext-background-effect-v1 protocol, which Hyprland 0.56 does implement) is a
+-- no-op while decoration:blur:enabled is false. So: switch it on here, then
+-- opt every window out again except the terminals below.
+hl.config({
+  general = {
+    -- Scrolling (niri-style tape) instead of Omarchy's dwindle. Per-workspace
+    -- layouts saved by omarchy-hyprland-workspace-layout-toggle (SUPER + W;
+    -- ~/.local/state/omarchy/workspace-layouts/*.lua) still win for the
+    -- workspaces they name.
+    layout = "scrolling",
+  },
+
+  decoration = {
+    rounding = 0,
+
+    -- Backdrop behind every scratch (special) workspace: the desktop under it
+    -- is darkened by this fraction.
+    dim_special = 0.33,
+
+    blur = {
+      enabled = true,
+      -- Cheaper than the themes' size 6 / 3 passes; with only terminals
+      -- blurred this is a handful of quads per frame, not the whole screen.
+      size = 5,
+      passes = 2,
+      brightness = 0.8,
+      contrast = 1.1,
+      vibrancy = 0.15,
+      noise = 0.01,
+      new_optimizations = true,
+      popups = false,
+    },
+
+    shadow = {
+      enabled = false,
+    },
+  },
+
+  group = {
+    groupbar = {
+      -- Square tab plates, to match rounding = 0 above.
+      gradient_rounding = 0,
+    },
+  },
+})
+
+-- Omarchy tags every mapped window `default-opacity` and fades it to
+-- 0.985 / 0.96 ($OMARCHY_PATH/default/hypr/windows.lua); that stock fade is
+-- kept. Rules are last-match-wins, so this only opts every window out of the
+-- blur enabled above -- the few percent of wallpaper that shows through an
+-- inactive window is the same as stock, where blur is off entirely.
+o.window({ tag = "default-opacity" }, { no_blur = true })
+
+-- The exception: terminals carry their own alpha (kitty's
+-- `background_opacity`, 0.9 in ~/.config/kitty/kitty.conf), so they are the one
+-- surface where blurring the backdrop buys anything. Full class list because
+-- the kitty hosts run under their own app-ids (kitty-herdr, kitty-tmux,
+-- kitty-goliath) and Omarchy tags nothing as `terminal`.
+o.window(
+  "^(kitty(-.*)?|Alacritty|com\\.mitchellh\\.ghostty|foot|org\\.codeberg\\.dnkl\\.foot|wezterm)$",
+  { no_blur = false }
+)
+
+-- Themes are also free to re-enable the workspace slide (Spectra sets
+-- `workspaces` with its "flow" bezier); Omarchy's default is off. Restate it.
+-- workspacesIn/workspacesOut are not overridden anywhere, so they inherit this.
+hl.animation({ leaf = "workspaces", enabled = false })
+
+-- Slow, constant rotation of the active-border gradient (the theme's
+-- hyprland_active_border; Cyberdream's is accent -> cyan). `loop` restarts
+-- the angle each turn so it never eases or stops; speed is deciseconds per
+-- revolution, so 100 = one lap every 10 s. Costs a redraw of the border each
+-- frame while a window is mapped.
+hl.animation({ leaf = "borderangle", enabled = true, speed = 100, bezier = "linear", style = "loop" })
+
+-- https://wiki.hypr.land/Configuring/Basics/Variables/#general
+-- hl.config({
+--   general = {
+--     -- No gaps between windows or borders.
+--     gaps_in = 0,
+--     gaps_out = 0,
+--     border_size = 0,
+--
+--     -- Change to niri-like side-scrolling layout.
+--     layout = "scrolling",
+--   },
+-- })
+
+-- https://wiki.hypr.land/Configuring/Basics/Variables/#animations
+-- hl.config({
+--   animations = {
+--     -- Disable all animations.
+--     enabled = false,
+--   },
+-- })
+
+-- https://wiki.hypr.land/Configuring/Basics/Variables/#layout
+-- hl.config({
+--   layout = {
+--     -- Avoid overly wide single-window layouts on wide screens.
+--     single_window_aspect_ratio = { 1, 1 },
+--   },
+-- })
+
+-- Scrolling layout, matched to niri's layout block
+-- (~/.config/niri/config.d/20-layout-and-overview.kdl). Wins over Omarchy's
+-- column_width = 0.49.
+hl.config({
+  scrolling = {
+    -- default-column-width { proportion 0.5; }
+    column_width = 0.5,
+    -- preset-column-widths; SUPER + R / SUPER + SHIFT + R cycle these
+    -- (colresize +conf / -conf via omarchy-cycle-window-size).
+    explicit_column_widths = "0.333, 0.5, 0.667",
+    -- center-focused-column "never": scroll only as far as needed to fit the
+    -- focused column. SUPER + C centers on demand.
+    focus_fit_method = 1,
+    -- niri keeps a lone column at its own width instead of filling the screen.
+    fullscreen_on_one_column = false,
+    -- niri stops at the first/last column instead of wrapping around.
+    wrap_focus = false,
+    wrap_swapcol = false,
+  },
+})