Is there a way to get the icon of a running X program? When you switch between windows, you could see the icon of it, e.g through xfwm4.
In an evergoing battle against an ugly icon, I found that applications can communicate with the system tray by sending X client messages. Is there a utility for spying on these messages?
How do I set the default title bar icon for X11 applications? The xterm on my machine is displaying an icon with a red x instead of the normal application-default icon. Changing themes in gnome ...