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Florian Fleissner
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Implemented host_keymaps
host_keymaps enable defining keymaps in a natural fashion. Instead of using Key constants like Key_A or LSHIFT(Key_A) it allows to conveniently write "a" or "A". The mappings between ascii and unicode characters to USB-HID keys works by reverse engineering the host keymaps of a linux system. The information of the provided keymap files allows for precisely figuring out the Kaleidoscope-Key that is needed to generate a specific utf8 character in a given keymap. For non-unicode keycodes, the linux XKB-keysym name is mapped to a Kaleidoscope-Key. The newly introduced host_keymap system is easily extensible and allows users to define their own non-english keymaps, if necessary by extending an existing keymap. Signed-off-by: Florian Fleissner <[email protected]>
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‎examples/Keystrokes/HostKeymap/HostKeymap.ino‎

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/* -*- mode: c++ -*-
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* Kaleidoscope-Unicode -- Unicode input helpers
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* Copyright (C) 2016, 2017, 2018 Keyboard.io, Inc
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <Kaleidoscope.h>
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#include "kaleidoscope/host_keymap/linux/us/standard/keymap.h"
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USE_HOST_KEYMAP(linux, us, standard)
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// *INDENT-OFF*
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KEYMAPS(
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[0] = KEYMAP_STACKED
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(
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XXX, "1", "2", "3", "4", "5", XXX,
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"`", "q", "w", "e", "r", "t", "\t",
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L"⇞", "a", "s", "d", "f", "g",
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L"⇟", "z", "x", "c", "v", "b", L"⎋",
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L"⌃", L"⌫", L"⌘", L"⇧",
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XXX,
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XXX, "6", "7", "8", "9", "0", XXX,
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L"⎆", "y", "u", "i", "o", "p", "=",
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"h", "j", "k", "l", ";", "\"",
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XXX, "n", "m", ",", ".", "/", "-",
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L"r⇧", L"r⌥", L"␣", L"r⌃",
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XXX
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)
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)
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// *INDENT-ON*
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//KALEIDOSCOPE_INIT_PLUGINS();
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void setup() {
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Kaleidoscope.setup();
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}
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void loop() {
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Kaleidoscope.loop();
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}

‎src/kaleidoscope/host_keymap/README‎

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The linux keymaps were generated on an Ubuntu 19.04 system based on XKeyboardConfig 2.23.

‎src/kaleidoscope/host_keymap/ascii.h‎

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/* Kaleidoscope - Firmware for computer input devices
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* Copyright (C) 2013-2018 Keyboard.io, Inc.
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "kaleidoscope/host_keymap/host_keymap.h"
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namespace kaleidoscope {
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namespace host_keymap {
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namespace ascii {
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struct CharProcessor {
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static constexpr bool isEscapeChar(char c) {
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return c == '#';
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}
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static constexpr bool isSeparator(char c) {
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return (c == ' ')
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|| (c == '\t')
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|| (c == '+');
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}
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static constexpr bool isMirrorChar(char c) {
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return c == 'r';
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}
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};
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#define _HOST_KEYMAP_CAST_ON_MODIFIERS_ASCII(OP) \
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OP('s', LSHIFT(k)) \
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OP('S', LSHIFT(k)) \
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OP('c', LCTRL(k)) \
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OP('C', LCTRL(k)) \
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OP('a', LALT(k)) \
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OP('A', RALT(k)) \
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OP('m', LGUI(k)) \
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OP('M', LGUI(k)) \
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OP('g', LGUI(k)) \
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OP('G', LGUI(k))
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// Define a AsciiConverterBase template base class that any ascii keymap converters
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// are derived from by means of invoking the HOST_KEYMAP_ASCII_LANGUAGE_CONVERTER
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// function macro.
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//
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_HOST_KEYMAP_DEFINE_CHAR_CONVERTER(
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ConverterBase, char, _HOST_KEYMAP_CAST_ON_MODIFIERS_ASCII)
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#undef _HOST_KEYMAP_CAST_ON_MODIFIERS_ASCII
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typedef _CharParsingStandardFallback<char> CharParsingStandardFallback;
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} // namespace ascii
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} // namespace host_keymap
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} // namespace kaleidoscope
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#define HOST_KEYMAP_ASCII_CONVERTER(LANGUAGE_KEYMAP, CHAR_PARSING_FALLBACK) \
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struct AsciiConverter \
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: public ascii::ConverterBase<AsciiConverter, ascii::CharProcessor> \
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{ \
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typedef ascii::ConverterBase<AsciiConverter, ascii::CharProcessor> Parent; \
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\
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using typename Parent::StringMemberType; \
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using typename Parent::CharType; \
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\
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static constexpr bool isKeyChar(char c) { \
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return LANGUAGE_KEYMAP(_HOST_KEYMAP_IS_KEY_CHAR) \
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CHAR_PARSING_FALLBACK::isKeyChar(c); \
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} \
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\
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static constexpr Key charToKey(char c) { \
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return LANGUAGE_KEYMAP( \
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_HOST_KEYMAP_MAP_KEY_CHAR_TO_KALEIDOSCOPE_KEY \
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) \
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CHAR_PARSING_FALLBACK::charToKey(c); \
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} \
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}; \
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\
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constexpr Key convertToKey(char c) { \
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return AsciiConverter::convertToKey(c); \
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} \
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template<int _Size> \
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constexpr Key convertToKey(char const(&string) [_Size]) { \
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return AsciiConverter::convertToKey(string); \
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}

‎src/kaleidoscope/host_keymap/common.h‎

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/* Kaleidoscope - Firmware for computer input devices
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* Copyright (C) 2013-2018 Keyboard.io, Inc.
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "kaleidoscope/host_keymap/ascii.h"
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#include "kaleidoscope/host_keymap/unicode.h"
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#include "kaleidoscope/host_keymap/non_printable.h"

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