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diff --git a/doc/vtcol.rst b/doc/vtcol.rst index 860cde4..2e3c533 100644 --- a/doc/vtcol.rst +++ b/doc/vtcol.rst @@ -3,30 +3,171 @@ =============================================================================== ******************************************************************************* - Set the color scheme of the virtual console + color schemes for the Linux™ console ******************************************************************************* - -:Date: 2017-01-22 -:Copyright: GPL v3.0 -:Version: 0.42.2 +:Date: 2021-11-10 +:Version: 0.42.5 :Manual section: 1 :Manual group: console -NAME +Synopsis +------------------------------------------------------------------------------- + +**vtcol** [--help] [--version] [--verbose] <command> [<args>] + +Description +------------------------------------------------------------------------------- + +**vtcol** manipulates and inspects the color map of the Linux console +using ``ioctl_console(2)`` syscalls. + +vtcol commands +------------------------------------------------------------------------------- + +``vtcol`` actions are provided by these these subcommands: + +**help** + + Prints this message or the help of the given subcommand(s) + + +**set** + + Set the scheme for the current terminal with ``PIO_CMAP``. :: + + $ vtcol set solarized + +**list** + + List predefined schemes. :: + + $ vtcol list + 4 color schemes available: + * solarized + * solarized_light + * default + * phosphor + + These are only the schemes built into the ``vtcol`` binary. Any + other scheme can be loaded using the ``--file`` argument. + +**dump** + + Print the palette of the specified scheme in more or less human readable + representation. + +**get** + + Get the current color scheme with ``GIO_CMAP``. The result is matched + against the builtin schemes; if a scheme matches, only its preferred name + is printed (e. g. ``solarized_light``). :: + + $ vtcol get + solarized + + Otherwise the palette is printed as with the ``dump`` subcommand. + +**toggle** + + Like ``vtcol set`` but supports two ``SCHEME`` arguments. + + First the active scheme is checked against *the first positional argument*; + if there is a match, the scheme specified by the *second argument* will be + loaded, otherwise the first one. The effect is that in repeated invocations + of the same command the scheme is toggled between the two arguments. E. g. + use: :: + + $ vtcol toggle solarized solarized_light + + to cycle the console palette between “dark mode” and “light mode”. + +set options +------------------------------------------------------------------------------- +:: + + vtcol set [--file FILE] + + vtcol set [SCHEME] + +``SCHEME`` + + Load the predefined color scheme *SCHEME*. For a list of options, use + ``vtcol list``. Alternatively, ``-`` can be used to specify *stdin*. + +``-f FILE, --file FILE`` + + Load color scheme from *FILE* which can be a filesystem path or the special + argument ``-`` to specify *stdin*. + + Mutually exclusive with *SCHEME*. + +toggle options ------------------------------------------------------------------------------- -SYNOPSIS +`vtcol toggle ONE TWO`` + +``ONE`` + + First scheme to alternate between. Will be loaded *unless* it is the active + scheme. + +``TWO`` + + Second scheme to alternate between. Will be loaded if *ONE* is the active + scheme. + +Scheme file syntax overview ------------------------------------------------------------------------------- -DESCRIPTION +.. TODO:: unimplemented!() + +Examples ------------------------------------------------------------------------------- -OPTIONS +1. Get the current color scheme: :: + + $ vtcol get + +2. Turn your screen into an 80s style monochrome lookalike: :: + + $ vtcol set phosphor + +3. Reset console to default colors: :: + + $ vtcol set default + +4. Set color scheme from stdin: :: + + $ <./schemes/zebra vtcol set - + +5. List available builtin schemes: :: + + $ vtcol list + +6. Cycle between night mode and day mode: :: + + $ vtcol toggle solarized solarized_light + +Copyright ------------------------------------------------------------------------------- -SEE ALSO +Copyright: 2015-2021 Philipp Gesang + +This program is free software: you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation, either version 3 of the License. + +See also ------------------------------------------------------------------------------- -AUTHORS +**ioctl_console**\(2), **tty**\(4) + +The ``setcolors`` utility should be considered prior art, visit +`<https://github.com/EvanPurkhiser/linux-vt-setcolors>`. + +Notes ------------------------------------------------------------------------------- + +Upstream resides at `<https://gitlab.com/phgsgng/vtcol>`. + |