Why XGrabKey generates extra focus-out and focus-in events?

Why XGrabKey generates extra focus-out and focus-in events?

python linux x11 xlib

linux

Getting pid and details for topmost window

linux qt pid xlib

linux

How do you exit X11 program without Error

c++ linux x11 xlib

linux

Xlib How Does This (Removing Window Decoration) Work?

c++ linux xlib window-managers

linux

How to wait for VSYNC in Xlib app?

c++ linux x11 xlib vsync

linux

Listening to keyboard events without consuming them in X11 - Keyboard hooking

c++ linux x11 xlib keyboard-hook

linux

Hanging of XShmPutImage event notification

c++ c linux xlib fasm

linux

Xlib center window

linux x11 xlib

linux

Equivalent of "Invalidate Rect" / "WM_PAINT" in X11

c++ linux x11 xlib

linux

How to efficiently draw framebuffer content?

c linux framebuffer xlib xorg

linux

drop/rewrite/generate keyboard events under Linux

linux keyboard linux-device-driver keyboard-events xlib

linux

how to get a screen pixel's color in x11

c++ linux x11 xlib

linux

How would you build a "pixel perfect" GUI on Linux?

linux user-interface gtk x11 xlib

linux

X11 Mouse Movement Event

c linux x11 xlib mousemove

linux

Anti-aliased text in X11

linux x11 antialiasing xlib

linux