# ===========================================================================
#  picom — compositor
#  Tuned to be subtle: no wobbly nonsense, just tear-free rendering,
#  soft shadows and a hint of transparency on unfocused terminals.
#  Docs: man 5 picom
# ===========================================================================

# --- backend ---------------------------------------------------------------
backend = "glx";
vsync = true;
use-damage = true;

glx-no-stencil = true;
glx-no-rebind-pixmap = false;

# --- shadows ---------------------------------------------------------------
shadow = true;
shadow-radius = 14;
shadow-opacity = 0.45;
shadow-offset-x = -14;
shadow-offset-y = -12;
shadow-color = "#181926";

shadow-exclude = [
  "name = 'Notification'",
  "class_g = 'Conky'",
  "class_g ?= 'Notify-osd'",
  "class_g = 'Cairo-clock'",
  "class_g = 'Polybar'",
  "class_g = 'i3-frame'",
  "_GTK_FRAME_EXTENTS@:c",
  "window_type = 'dock'",
  "window_type = 'desktop'"
];

# --- fading ----------------------------------------------------------------
fading = true;
fade-in-step = 0.06;
fade-out-step = 0.06;
fade-delta = 6;
fade-exclude = [];

# --- transparency ----------------------------------------------------------
inactive-opacity = 0.94;
active-opacity = 1.0;
frame-opacity = 1.0;
inactive-opacity-override = false;
inactive-dim = 0.0;

opacity-rule = [
  "100:class_g = 'firefox'",
  "100:class_g = 'Chromium'",
  "100:class_g = 'mpv'",
  "100:fullscreen",
  "95:class_g = 'kitty' && focused",
  "88:class_g = 'kitty' && !focused",
  "95:class_g = 'Rofi'",
  "100:class_g = 'Polybar'",
  "100:class_g = 'Dunst'"
];

# --- corners (picom 9+) ----------------------------------------------------
corner-radius = 10;
rounded-corners-exclude = [
  "window_type = 'dock'",
  "window_type = 'desktop'",
  "class_g = 'Polybar'",
  "class_g = 'i3-frame'"
];

# --- blur (comment out on weak GPUs) ---------------------------------------
blur: {
  method = "dual_kawase";
  strength = 4;
  background = false;
  background-frame = false;
  background-fixed = false;
}

blur-background-exclude = [
  "window_type = 'dock'",
  "window_type = 'desktop'",
  "class_g = 'Polybar'",
  "_GTK_FRAME_EXTENTS@:c"
];

# --- general ---------------------------------------------------------------
mark-wmwin-focused = true;
mark-ovredir-focused = true;
detect-rounded-corners = true;
detect-client-opacity = true;
detect-transient = true;
detect-client-leader = true;
use-ewmh-active-win = true;
unredir-if-possible = false;
dbe = false;
log-level = "warn";

wintypes:
{
  tooltip      = { fade = true; shadow = true; opacity = 0.95; focus = true; full-shadow = false; };
  dock         = { shadow = false; clip-shadow-above = true; };
  dnd          = { shadow = false; };
  popup_menu   = { opacity = 0.98; shadow = true; };
  dropdown_menu= { opacity = 0.98; shadow = true; };
  utility      = { shadow = false; };
  notification = { shadow = true; };
};