149 lines
		
	
	
	
		
			4.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			149 lines
		
	
	
	
		
			4.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright 2020 shela
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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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| 
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| #include "quantum.h"
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| #include "command.h"
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| #include "action_pseudo.h"
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| 
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| static uint8_t send_key_shift_bit[SHIFT_BIT_SIZE];
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| 
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| /*
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|  * Action Pseudo Process.
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|  * Gets the keycode in the same position of the specified layer.
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|  * The keycode is sent after conversion according to the conversion keymap.
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|  */
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| void action_pseudo_process(keyrecord_t *record, uint8_t base_layer, const uint16_t (*keymap)[2]) {
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|     uint8_t  prev_shift;
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|     uint16_t keycode;
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|     uint16_t pseudo_keycode;
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| 
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|     /* Get keycode from specified layer */
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|     keycode = keymap_key_to_keycode(base_layer, record->event.key);
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| 
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|     prev_shift = get_mods() & MOD_MASK_SHIFT;
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| 
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|     if (record->event.pressed) {
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|         /* If magic commands entered, keycode is not converted */
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|         if (IS_COMMAND()) {
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|             if (prev_shift) {
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|                 add_shift_bit(keycode);
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|             }
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|             register_code(keycode);
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|             return;
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|         }
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| 
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|         if (prev_shift) {
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|             pseudo_keycode = convert_keycode(keymap, keycode, true);
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|             dprintf("pressed: %02X, converted: %04X\n", keycode, pseudo_keycode);
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|             add_shift_bit(keycode);
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| 
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|             if (IS_LSFT(pseudo_keycode)) {
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|                 register_code(QK_LSFT ^ pseudo_keycode);
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|             } else {
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|                 /* Delete shift mod temporarily */
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|                 unregister_mods(prev_shift);
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|                 register_code(pseudo_keycode);
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|                 register_mods(prev_shift);
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|             }
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|         } else {
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|             pseudo_keycode = convert_keycode(keymap, keycode, false);
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|             dprintf("pressed: %02X, converted: %04X\n", keycode, pseudo_keycode);
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| 
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|             if (IS_LSFT(pseudo_keycode)) {
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|                 register_weak_mods(MOD_LSFT);
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|                 register_code(QK_LSFT ^ pseudo_keycode);
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|                 /* Prevent key repeat to avoid unintended output on Windows */
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|                 unregister_code(QK_LSFT ^ pseudo_keycode);
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|                 unregister_weak_mods(MOD_LSFT);
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|             } else {
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|                 register_code(pseudo_keycode);
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|             }
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|         }
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|     } else {
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|         if (get_shift_bit(keycode)) {
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|             del_shift_bit(keycode);
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|             pseudo_keycode = convert_keycode(keymap, keycode, true);
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|         } else {
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|             pseudo_keycode = convert_keycode(keymap, keycode, false);
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|         }
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|         dprintf("released: %02X, converted: %04X\n", keycode, pseudo_keycode);
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| 
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|         if (IS_LSFT(pseudo_keycode)) {
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|             unregister_code(QK_LSFT ^ pseudo_keycode);
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|         } else {
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|             unregister_code(pseudo_keycode);
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|         }
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|     }
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| }
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| 
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| /* Convert keycode according to the keymap */
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| uint16_t convert_keycode(const uint16_t (*keymap)[2], uint16_t keycode, bool shift_modded) {
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|     uint16_t pseudo_keycode = 0x00; /* default value */
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| 
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|     switch (keycode) {
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|         case KC_A ... KC_CAPSLOCK:
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| #if defined(__AVR__)
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|             if (shift_modded) {
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|                 pseudo_keycode = pgm_read_word(&keymap[keycode][1]);
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|             } else {
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|                 pseudo_keycode = pgm_read_word(&keymap[keycode][0]);
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|             }
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| #else
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|             if (shift_modded) {
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|                 pseudo_keycode = keymap[keycode][1];
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|             } else {
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|                 pseudo_keycode = keymap[keycode][0];
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|             }
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| #endif
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|             break;
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|     }
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| 
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|     /* If pseudo keycode is the default value, use the keycode as it is */
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|     if (pseudo_keycode == 0x00) {
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|         if (shift_modded) {
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|             pseudo_keycode = S(keycode);
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|         } else {
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|             pseudo_keycode = keycode;
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|         }
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|     }
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| 
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|     return pseudo_keycode;
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| }
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| 
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| uint8_t get_shift_bit(uint16_t keycode) {
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|     if ((keycode >> 3) < SHIFT_BIT_SIZE) {
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|         return send_key_shift_bit[keycode >> 3] & (1 << (keycode & 7));
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|     } else {
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|         dprintf("get_shift_bit: Can't get shift bit. keycode: %02X\n", keycode);
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|         return 0;
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|     }
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| }
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| 
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| void add_shift_bit(uint16_t keycode) {
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|     if ((keycode >> 3) < SHIFT_BIT_SIZE) {
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|         send_key_shift_bit[keycode >> 3] |= (1 << (keycode & 7));
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|     } else {
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|         dprintf("add_shift_bit: Can't add shift bit. keycode: %02X\n", keycode);
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|     }
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| }
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| 
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| void del_shift_bit(uint16_t keycode) {
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|     if ((keycode >> 3) < SHIFT_BIT_SIZE) {
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|         send_key_shift_bit[keycode >> 3] &= ~(1 << (keycode & 7));
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|     } else {
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|         dprintf("del_shift_bit: Can't delete shift bit. keycode: %02X\n", keycode);
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|     }
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| }
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