Ayer estuve revisando el DVD de Mandriva 2007.1 y en el repositorio Contrib que este trae,
encontré un tal CoolEdit.
Busca ese paquete para tu distribución, pueda que sea lo que necesitas.
Esta es su descripción:
Full-featured X Window text editor; multiple edit windows; 3D Motif-ish
look and feel; shift-arrow and mouse text highlighting; column text
highlighting and manipulation; color syntax highlighting for various
sources; buildin Python interpretor for macro program.; interactive
graphical debugger - interface to gdb; key for key undo; macro
recording; regular expression search and replace; pull-down menus; drag
and drop; interactive man page browser; run make and other shell
commands with seamless shell interface; redefine keys with an easy
interactive key learner; full support for proportional fonts;
Saludos.