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vty is a terminal interface library. Vty currently provides: * Automatic handling of window resizes. * Supports Unicode characters on output, automatically setting and resetting UTF-8 mode for xterm. Other terminals are assumed to support * Efficient output. * Minimizes repaint area, thus virtually eliminating the flicker problem that plagues ncurses programs. * A pure, compositional interface for efficiently constructing display images. * Automatically decodes keyboard keys into (key,[modifier]) tuples. * Automatically supports refresh on Ctrl-L. * Automatically supports timeout after 50ms for lone ESC (a barely noticable delay) * Interface is designed for relatively easy compatible extension. * Supports all ANSI SGR-modes (defined in console_codes(4)) with a type-safe interface. * Properly handles cleanup. Current disadvantages: * The character encoding of the output terminal is assumed to be UTF-8. * Minimal support for special keys on terminals other than the linux-console. (F1-5 and arrow keys should work, but anything shifted isn't likely to.) * Uses the TIOCGWINSZ ioctl to find the current window size, which appears to be limited to Linux and *BSD. darcs get --tag=vty-126.96.36.199 http://code.haskell.org/vty/ To compile the demonstration program: ghc --make test/Test.hs gwinsz.c The main documentation consists of the haddock-comments and the demonstration program