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nchanterm

UTF-8 ANSI/vt102 text mode interface.

Features:

  • UTF8 native
  • Color, underline, bold
  • Mouse and keyboard events
  • Internally keeps track of terminal state and only does delta updates.
  • Liberal license ISC which is equivalent to MIT but with a simplified language.
  • Single .c file that can be dropped into a project to gain text mode capabilities.

The API provided is the smallest core needed to drive an application, higher level abstractions can be provided on top.

Rationale

Terminal emulators in use today mostly share the ANSI subset of control commands, terminals this statement applies to include:

Eterm, linux console, putty, rxvt, screen, st, tmux, vte (gnome-terminal), xterm and probably more.

Even though they support a wide range of different commands, manipulating the character grid as well as initiating mouse-event can be achieved through a common subset.

Documentation

Nchanterm can be installed systemwide can be used through pkg-config based interface or to be dropped into the source tree of a project. See examples/ for some code examples using the API. For a list of supported key-codes look for the array called /keycodes/ in the source, not all key-codes work on all terminals (should perhaps remove the ones least likely to be portable).

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Tiny UTF-8 ANSI/VT102 terminal abstraction in C

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