kc3-lang/libxkbcommon

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  • Hash : 3a91788d
    Author : Ran Benita
    Date : 2019-10-03T17:27:00

    context: move ~/.xkb to before XKB_CONFIG_ROOT in the default include path Previously, the default include path was XKB_CONFIG_ROOT:~/.xkb. The ~/.xkb include path is intended to allow the local user to customize their keymaps without having to modify system paths. But usually, the user only wants to customize specific parts. When XKB_CONFIG_ROOT is first, the user can only customize through the "entry point" (the RMLVO). When ~/.xkb is first, the user can drop in a file and it will override the system one. The impetus for this change is the rules file. "evdev" is hard-coded everywhere, so it not often not possible to change to something else. And the rules files determines how the rest of the RMLVO is interpreted. So, to enable customization, we have these options: A: System includes user. B: User includes system. C: Library goes over both in one or the other order. Option A is problematic due to backward compatibility and is also unnatural. Option B gives the user control and is backward compatible, so that's what we choose. This is also how Compose files are handled, and that seems to work fine in the wild. Option C is actually less flexible than B, and more complicated. (The rules file format doesn't have an include statement yet, but it's planned). Signed-off-by: Ran Benita <ran@unusedvar.com>

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  • README.md

  • libxkbcommon

    libxkbcommon is a keyboard keymap compiler and support library which processes a reduced subset of keymaps as defined by the XKB (X Keyboard Extension) specification. It also contains a module for handling Compose and dead keys.

    Quick Guide

    See Quick Guide.

    Building

    libxkbcommon is built with Meson:

    meson setup build
ninja -C build

    To build for use with Wayland, you can disable X11 support while still using the X11 keyboard configuration resource files thusly:

    meson setup build \
    -Denable-x11=false \
    -Dxkb-config-root=/usr/share/X11/xkb \
    -Dx-locale-root=/usr/share/X11/locale
ninja -C build

    API

    While libxkbcommon’s API is somewhat derived from the classic XKB API as found in X11/extensions/XKB.h and friends, it has been substantially reworked to expose fewer internal details to clients.

    See the API Documentation.

    Dataset

    libxkbcommon does not distribute a keymap dataset itself, other than for testing purposes. The most common dataset is xkeyboard-config, which is used by all current distributions for their X11 XKB data. More information on xkeyboard-config is available here:

    https://www.freedesktop.org/wiki/Software/XKeyboardConfig

    The dataset for Compose is distributed in libX11, as part of the X locale data.

    Relation to X11

    See Compatibility notes.

    Development

    An extremely rudimentary homepage can be found at

    https://xkbcommon.org

    xkbcommon is maintained in git at

    https://github.com/xkbcommon/libxkbcommon

    Patches are always welcome, and may be sent to either

    <xorg-devel@lists.x.org> or <wayland-devel@lists.freedesktop.org>

    or in a GitHub pull request.

    Bug reports (and usage questions) are also welcome, and may be filed at GitHub.

    The maintainers are

    Credits

    Many thanks are due to Dan Nicholson for his heroic work in getting xkbcommon off the ground initially.

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