copying with the middle mouse button

Hi, could anybody tell me how this work? I mean how does the x-server know which text is selected? Must every application sent a message to the xserver that something is selected? Or sent the xserver a copy command to the active application when a mouse button is released? thx a lot --

Re: copying with the middle mouse button

Clemens Zeidler wrote: Hi, could anybody tell me how this work? I mean how does the x-server know which text is selected? Must every application sent a message to the xserver that something is selected? Or sent the xserver a copy command to the active application when a mouse button is