X11 Mouse Movement Event

Question

When creating a Window in XLib

1. What are the masks I provide to the SetWindowAttributes.event_mask member?
2. What do I have to pass to the

Answer 1

XLib is pretty well documented. For example XLib Programming Manual: Event Masks

Answer 2

The first three are well-documented, I think.

To determine whether the mouse is over your window, listen to Enter and Leave events. The xev utility is a great way to understand what events exist in the X window system, and when they are sent.