83 lines
2.7 KiB
C
83 lines
2.7 KiB
C
/*
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Copyright 2020 rupa <rupa@lrrr.us> @rupa
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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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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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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 <print.h>
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#include "rupa.h"
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#if defined(UNICODE_SCRIPT_MODE_ENABLE)
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const font_t * translator = NULL;
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// https://en.wikipedia.org/wiki/Mathematical_Alphanumeric_Symbols
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static const font_t *fonts_map[] = {
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[F_FRACT] = &(font_t){0x1D56C, 0x1D586, 0x1D7D8}, // fraktur/doublestruck numbers
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[F_ITALI] = &(font_t){0x1D468, 0x1D482, 0x1D7CE}, // italic/bold numbers
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[F_MONOS] = &(font_t){0x1D670, 0x1D68A, 0x1D7F6}, // monospace
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[F_NORML] = &(font_t){0x1D400, 0x1D41A, 0x00030}, // normal!
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[F_SANSI] = &(font_t){0x1D63C, 0x1D656, 0x1D7EC}, // sans 1talic/sans bold numbers
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[F_SANSN] = &(font_t){0x1D5D4, 0x1D5EE, 0x1D7E2}, // sans normal/sans numbers
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[F_SCRPT] = &(font_t){0x1D4D0, 0x1D4EA, 0x1D7CE}, // script/bold numbers
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};
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/*
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font_t doublestruc = {0x1D538, 0x1D552, 0x1D7D8};
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uint_32 []snowflakes = {
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// doublestruck
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0x1D53B, // C
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0x1D540, // H
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0x1D546, // N
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0x1D548, // P
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0x1D549, // Q
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0x1D54A, // R
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0x1D552, // Z
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};
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*/
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const font_t *get_script_mode(void) {
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return translator;
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}
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bool set_script_mode(int fc) {
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translator = translator == fonts_map[fc] ? NULL : fonts_map[fc];
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dprintf("set_script_mode: %u %b\n", fc, translator != NULL);
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return true;
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}
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// Maps A-Z, a-z, and 0-9 to other unicode ranges. We also map space to EN
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// SPACE for some reason :)
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uint32_t map_alnum(const font_t *f, bool is_shifted, uint32_t keycode) {
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switch (keycode) {
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case KC_SPACE:
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return (is_shifted ? 0 : 0x2002); // EN SPACE
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case KC_0:
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return (is_shifted ? 0 : f->zero_glyph);
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case KC_A ... KC_Z:
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return (is_shifted ? f->upper_alpha : f->lower_alpha) + keycode - KC_A;
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case KC_1 ... KC_9:
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return (is_shifted ? 0 : f->zero_glyph + keycode - KC_1 + 1);
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default:
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return 0;
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}
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}
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bool script_mode_translate(bool is_shifted, uint32_t keycode) {
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uint32_t translated = map_alnum(translator, is_shifted, keycode);
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if (translated == 0) return true;
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dprintf("script_mode_translate: %u => %d\n", keycode, translated);
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register_unicode(translated);
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return false;
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}
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#endif
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