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#!/bin/bash
# Created By: srdusr
# Created On: Tue 07 Mar 2023 15:06:47 PM CAT
# Project: Agnostic scratchpad/dropdown terminal that works on most window managers
# Dependencies: wmctrl, xprop, xdo, xdotool
# NOTE: Ensure script is included in system's path and can therefore be invoked with the command 'scratchpad'.
# Furthermore make sure the terminal is using x11 as a backend in wayland to allow this to work.
# Example: wezterm.lua: enable_wayland = false,
# kitty.conf: linux_display_server x11
# 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 scratchpad" >/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 "$my_term" in
"wezterm") wezterm start --class scratchpad -e tmux new-session -A -s tmux -e bash & ;;
"kitty") kitty --class scratchpad tmux new-session -A -s tmux -e bash & ;;
"alacritty") alacritty --class scratchpad -e tmux new-session -A -s tmux -e bash & ;;
esac
fi
# Get the window ID of the scratchpad terminal
id="$(xdo id -N scratchpad)"
# 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
fi
fi
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