# ╔══════════════════════════════════════════════════════════╗
# ║                    picom.conf                            ║
# ╚══════════════════════════════════════════════════════════╝

# ── Backend ──────────────────────────────────────────────────────────────────

backend = "glx";

# ── Vsync ────────────────────────────────────────────────────────────────────

vsync = true;

# ── Custom shader (gradient window borders) ───────────────────────────────────
# Place gradient-border.glsl in ~/.config/picom/ then uncomment:
window-shader-fg-rule = [
  "/home/lanceb/.config/picom/gradient-border.glsl:focused"
];
glx-copy-from-front = false;
use-damage = true;

# ── Corner Rounding ───────────────────────────────────────────────────────────

corner-radius = 5;

# Exclude corners on certain window types (optional – comment out if unwanted)
rounded-corners-exclude = [
  "window_type = 'dock'",
  "window_type = 'desktop'",
  "class_g = 'Polybar'",
  "class_g = 'Rofi'"
];

# ── Opacity ───────────────────────────────────────────────────────────────────

# Unfocused windows get 0.8 opacity
inactive-opacity = 0.8;

# Focused / active windows are fully opaque
active-opacity = 1.0;

# Don't let applications override opacity via EWMH hints (set true to respect them)
inactive-opacity-override = false;

# Exclude certain windows from opacity rules
opacity-rule = [
  "100:window_type = 'dock'",
  "100:window_type = 'desktop'",
  "100:class_g = 'Rofi'",
  "100:_NET_WM_STATE@:32a *= '_NET_WM_STATE_FULLSCREEN'"
];

# ── Background Blur ───────────────────────────────────────────────────────────

blur-background = true;
blur-method = "dual_kawase";
blur-strength = 5;

# Don't blur behind the desktop itself
blur-background-exclude = [
  "window_type = 'dock'",
  "window_type = 'desktop'",
  "_GTK_FRAME_EXTENTS@:c"
];

# ── Shadows ───────────────────────────────────────────────────────────────────

shadow = true;
shadow-radius = 12;
shadow-offset-x = -6;
shadow-offset-y = -6;
shadow-opacity = 0.6;

shadow-exclude = [
  "window_type = 'dock'",
  "window_type = 'desktop'",
  "_GTK_FRAME_EXTENTS@:c"
];

# ── Fading ────────────────────────────────────────────────────────────────────

fading = true;
fade-in-step = 0.03;
fade-out-step = 0.03;
fade-delta = 5;

# ── Window Type Tweaks ────────────────────────────────────────────────────────

wintypes:
{
  normal        = { fade = true; shadow = true; };
  tooltip       = { fade = true; shadow = false; opacity = 0.9; focus = true; };
  dock          = { shadow = false; clip-shadow-above = true; };
  dnd           = { shadow = false; };
  popup_menu    = { opacity = 0.95; };
  dropdown_menu = { opacity = 0.95; };
};

# ── Animations ───────────────────────────────────────────────────────────────

animations = ({
    triggers = ["open", "show"];
    
    scale-x = {
        curve = "cubic-bezier(0.22, 1, 0.36, 1)";
        duration = 0.18;
        start = 0.85;
        end = 1;
    };
    
    scale-y = "scale-x";

    offset-x = "(1 - scale-x) / 2 * window-width";
    offset-y = "(1 - scale-y) / 2 * window-height";

    shadow-scale-x = "scale-x";
    shadow-scale-y = "scale-y";
    shadow-offset-x = "offset-x";
    shadow-offset-y = "offset-y";

}, {
    triggers = ["close", "hide"];

    scale-x = {
        curve = "cubic-bezier(0.4, 0, 1, 1)";
        duration = 0.15;
        start = 1;
        end = 1.1;
    };

    scale-y = "scale-x";

    offset-x = "(1 - scale-x) / 2 * window-width";
    offset-y = "(1 - scale-y) / 2 * window-height";

    shadow-scale-x = "scale-x";
    shadow-scale-y = "scale-y";
    shadow-offset-x = "offset-x";
    shadow-offset-y = "offset-y";

    opacity = {
        curve = "linear";
        duration = 0.15;
        start = "window-raw-opacity-before";
        end = 0;
    };

    shadow-opacity = "opacity";
});