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#!/bin/sh

# Created By: srdusr
# Created On: Wed 05 Feb 2023 01:24:37 AM CAT
# Project: bspwm scratchpad (Heads-Up-Display) with tmux session

### Alternative method

#if id="$(xdo id -N heads-up-display)"; then
#    bspc node "$id" -g hidden -f
#else
#    #kitty --class "heads-up-display" -e tmux new-session -A -s HUD -e bash >/dev/null 2>&1 &
#    wezterm start --class "heads-up-display" -e tmux new-session -A -s HUD -e bash >/dev/null 2>&1 &
#fi

#- - - - - - - - - -

### Alternative method

#id=$(xdotool search --class heads-up-display)
#if [ "$id" = "" ]; then
#    #kitty --class "Heads-Up-Display" -e tmux new-session -A -s HUD -e bash > /dev/null 2>&1 &
#    alacritty --class "heads-up-display" -e tmux new-session -A -s HUD -e bash >/dev/null 2>&1 &
#else
#    if [ ! -f /tmp/hide_hud ]; then
#        touch /tmp/hide_hud && xdo hide "$id"
#    elif [ -f /tmp/hide_hud ]; then
#        rm /tmp/hide_hud && xdo show "$id"
#    fi
#fi



# Set the environment variables to x11 to allow working in Wayland
export GDK_BACKEND=x11
export QT_QPA_PLATFORM=xcb
#export WAYLAND_DISPLAY=""
export WINIT_UNIX_BACKEND=x11

# Supported terminals and dropdown class
supported_terminals=("wezterm" "kitty" "alacritty")

# Check if any supported terminal with scratchpad class is running
for term in "${supported_terminals[@]}"; do
    if pgrep -f "$term.*--class heads-up-display" >/dev/null; then
        my_term="$term"
        break
    fi
done

# If no supported terminal is running, start the first available one
if [ "$my_term" = "" ]; then
    for term in "${supported_terminals[@]}"; do
        if command -v "$term" >/dev/null 2>&1; then
            my_term="$term"
            break
        fi
    done
    if [ "$my_term" = "" ]; then
        echo "No supported terminal found." && exit 1
    fi

    # Start terminal with scratchpad class
    case "$my_term" in
        "wezterm") wezterm start --class heads-up-display -e tmux new-session -A -s HUD -e bash htop & ;;
        "kitty") kitty --class heads-up-display tmux new-session -A -s HUD -e bash htop & ;;
        "alacritty") alacritty --class heads-up-display -e tmux new-session -A -s HUD -e bash htop & ;;

    esac
fi

# Get the window ID of the scratchpad terminal
id="$(xdo id -N heads-up-display)"

# Toggle scratchpad terminal visibility
if [ "$id" != "" ]; then
    if xwininfo -id "$id" | grep "Map State: IsViewable" >/dev/null; then
        # Scratchpad is visible, hide it
        dimensions="$(xwininfo -id "$id" | awk '/Width:|Height:/ { printf("%s=%s;", tolower($1), $2) }')"
        xdo hide "$id" 2>/dev/null
    else
        # Scratchpad is hidden, show it and restore dimensions
        xdo show "$id"
        xdotool windowsize "$id" "$(echo "$dimensions" | tr ';' ' ')" 2>/dev/null
        xdotool windowactivate "$id"
        xdotool windowfocus "$id"
    fi
fi