Fix Win Buttons XFCE4 Panel for apps with missing icons

xfce4-win-buttons-fix-icon.sh

#!/bin/bash

# Configure below according to the app you're trying to fix the icon for in Window Buttons Panel
# Point any shortcuts/panel entries to this .sh file with full path ensure +x execute abilities

# configure
WIN_NAME="Termius";
APP_EXEC="/snap/bin/termius-app";
APP_ICON="/snap/termius-app/current/meta/gui/icon.png";

# how long to wait before looking for window title
TIME_WAIT_FOR_WINDOW=3;

# dependencies
if !hash xseticon 2>/dev/null; then
    echo "xseticon not found attempting to install...";
    wget https://gist.githubusercontent.com/unhammer/cfa9cd907adcdf391290/raw/5ec5f5e9a81079d12de32b761e575fc57a4556e4/get-xseticon.sh;
    chmod +x get-seticon.sh;
    ./get-seticon.sh;
fi
if !hash xwininfo 2>/dev/null; then
    echo "xwininfo not found.";
    exit 0;
fi

$APP_EXEC &
sleep $TIME_WAIT_FOR_WINDOW;
env BAMF_DESKTOP_FILE_HINT="/var/lib/snapd/desktop/applications/termius-app_termius-app.desktop";
ID=$(xwininfo -name "$WIN_NAME"|grep xwininfo|cut -d ' ' -f 4);
xseticon -id $ID $APP_ICON;