60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
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/* Copyright 2017 Jack Humbert
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "process_unicodemap.h"
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__attribute__((weak)) uint16_t unicodemap_index(uint16_t keycode) {
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if (keycode >= QK_UNICODEMAP_PAIR) {
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// Keycode is a pair: extract index based on Shift / Caps Lock state
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uint16_t index = keycode - QK_UNICODEMAP_PAIR;
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bool shift = unicode_saved_mods & MOD_MASK_SHIFT, caps = IS_HOST_LED_ON(USB_LED_CAPS_LOCK);
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if (shift ^ caps) {
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index >>= 7;
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}
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return index & 0x7F;
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} else {
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// Keycode is a regular index
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return keycode - QK_UNICODEMAP;
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}
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}
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bool process_unicodemap(uint16_t keycode, keyrecord_t *record) {
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if (keycode >= QK_UNICODEMAP && keycode <= QK_UNICODEMAP_PAIR_MAX && record->event.pressed) {
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unicode_input_start();
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uint32_t code = pgm_read_dword(unicode_map + unicodemap_index(keycode));
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uint8_t input_mode = get_unicode_input_mode();
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if (code > 0x10FFFF || (code > 0xFFFF && input_mode == UC_WIN)) {
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// Character is out of range supported by the platform
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unicode_input_cancel();
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} else if (code > 0xFFFF && input_mode == UC_OSX) {
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// Convert to UTF-16 surrogate pair on Mac
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code -= 0x10000;
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uint32_t lo = code & 0x3FF, hi = (code & 0xFFC00) >> 10;
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register_hex32(hi + 0xD800);
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register_hex32(lo + 0xDC00);
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unicode_input_finish();
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} else {
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register_hex32(code);
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unicode_input_finish();
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}
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}
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return true;
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}
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