marco-wrapper

#!/usr/bin/env bash

readonly WM="marco"
if ! command -v "${WM}" &>/dev/null; then
    echo "ERROR! Can't find ${WM}."
    exit 1
fi

UNAME="$(id -un)"
killall --user "${UNAME}" "${WM}" 2>/dev/null

BACKEND=$(echo "${0}" | cut -d'-' -f2-)
echo "${BACKEND}"

# Handle mutliple personalities.
case ${BACKEND} in
  no-composite)
    COMP=""
    ;;
  xrender|glx|xr_glx_hybrid)
    COMP="picom"
    ;;
  *)
    COMP="picom"
    BACKEND="xrender"
    ;;
esac

VSYNC="--vsync"
# Disable vsync if the NVIDIA compositor is enabled.
if command -v nvidia-settings &>/dev/null; then
    if nvidia-settings -q CurrentMetaMode -t | grep ForceCompositionPipeline=On; then
        VSYNC="--no-vsync"
    fi
fi

killall --user "${UNAME}" compton 2>/dev/null
killall --user "${UNAME}" picom 2>/dev/null

if [ -n "${COMP}" ]; then
    # Allow users to override the defaults by creating their own config
    # for this wrapper.
    if [ -f "${HOME}/.config/${WM}-${COMP}.conf" ]; then
        ${COMP} \
            --daemon \
            --config "${HOME}/.config/${WM}-${COMP}.conf"
    else
        ${COMP} \
            --daemon \
            --config /dev/null \
            --backend ${BACKEND} ${VSYNC} \
            --detect-rounded-corners \
            --detect-client-leader \
            --detect-transient \
            --detect-client-opacity \
            --glx-no-stencil \
            --no-use-damage \
            --mark-wmwin-focused \
            --mark-ovredir-focused \
            --shadow \
            --shadow-radius=12 \
            --shadow-opacity=0.125 \
            --shadow-offset-x=-12 \
            --shadow-offset-y=-12 \
            --fading \
            --fade-delta=8 \
            --no-fading-destroyed-argb \
            --xinerama-shadow-crop \
            --use-ewmh-active-win \
            --unredir-if-possible \
            --unredir-if-possible-exclude "class_g = 'Mate-screensaver'" \
            --fade-exclude "window_type *= 'menu'" \
            --shadow-exclude "window_type *= 'dnd'" \
            --shadow-exclude "window_type *= 'dock'" \
            --shadow-exclude "window_type *= 'notification'" \
            --shadow-exclude "class_g = 'albert'" \
            --shadow-exclude "class_g = 'Cairo-clock'" \
            --shadow-exclude "class_g = 'Conky'" \
            --shadow-exclude "class_g ?= 'Firefox' && argb" \
            --shadow-exclude "class_g ?= 'Notify-osd'" \
            --shadow-exclude "class_g = 'Synapse'" \
            --shadow-exclude "class_g = 'Ulauncher'" \
            --shadow-exclude "_GTK_FRAME_EXTENTS@:c" \
            --shadow-exclude "_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'" \
            --shadow-exclude "_NET_WM_STATE@:32a *= '_NET_WM_STATE_MAXIMIZED'"
    fi
fi

# Replace window manager and force compositing off.
${WM} --no-composite --replace &