I'm trying to make a program where the user can paint on the screen. So I want to make an invisible canvas window in fullscreen where only the user's pen marks on the canvas will be visible. The closest thing I found is this function: `root.attributes("-transparentcolor","color code here")`, which will make all the parts of the window that's in the color you give transparent. So if I give the second parameter the background color of the canvas, then only the pen strokes on the canvas will be visible. This is *so* close to what I want, except for one thing, the transparent areas can't detect or block mouse clicks! Any mouse clicks will just go through to whatever is behind the tkinter window. Is there a way to make it so the transparent areas will still block mouse clicks? I really need help on this!