pixelclock [-display host:dpy] [-left|-right|-top|-bottom] [-size <pixels>]
[-background <color>] [-tickcolor <color>] [-timecolor <color>] [-highcolor <color>]
[time time2 ...]
- Colors are X11 named colors.
- Default size if 3 pixels.
- Times are of format hh:mm.
- Default times are: 09:00, 12:00, 17:00
- Long-form command line arguments are required.
https://jcs.org/notaweblog/2005/06/28/pixelclock/
- Convert to EWMH panel with struts.
- Add configurable colors.
- Add Xinerama/Xrandr check to:
- Avoid crossing monitor edges.
- Support monitors with different sizes (root window dead space problem).