Spawn a window with an image in it and follow vscode around

image_magick_window_wallpaper.py

#!/usr/bin/env python3
import os
import subprocess
import time
import re

code_windows = subprocess.check_output("wmctrl -lx | grep 'code.Code' | cut -f1 -d' '", shell=True).decode('utf-8').strip().split('\n')

for i in range(len(code_windows)):
	subprocess.Popen([ "display", '-crop', '10,10,100,100', PAPER_PATH ])

time.sleep(5)

image_windows = subprocess.check_output("wmctrl -lx | grep 'ImageMagick:' | cut -f1 -d' '", shell=True).decode('utf-8').strip().split('\n')

if len(code_windows) != len(image_windows):
	print("didnt open windows or didnt wait enough")
	exit(1)

def get_win_dims_str(win_id):
	info = subprocess.check_output("xwininfo -id "+win_id, shell=True).decode('utf-8').strip().split('\n')
	win = []
	for i in range(6):
		win.append(int(re.sub(r'.*:', '', info[2+i])))
	return str(win[0] - win[2]) + ',' + str(win[1] - win[3]) + ',' + str(win[4]) + ',' + str(win[5])

def get_active_win_id():
	proc_output = subprocess.check_output("xprop -root _NET_ACTIVE_WINDOW", shell=True).decode('utf-8').strip()
	return int(re.sub(r',.*', '', re.sub(r'.*#', '', proc_output)), 16)

old_dims = ['' for _ in code_windows]
was_active = 0

while True:
	now_active = get_active_win_id()
	for i in range(len(code_windows)):
		dims = get_win_dims_str(code_windows[i])
		if dims != old_dims[i] or (int(code_windows[i],16) == now_active and now_active != was_active):
			os.system('wmctrl -ir ' + image_windows[i] + ' -e "0,' + dims + '"')
			os.system('wmctrl -ia ' + image_windows[i])
			os.system('wmctrl -ia ' + code_windows[i])
			time.sleep(.5)
		old_dims[i] = dims
		was_active = now_active
	time.sleep(.5)