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/* Copyright 2016 Jack Humbert
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef LEADER_ENABLE
#include "process_leader.h"
#ifdef __arm__
# include <string.h>
#endif
#ifndef LEADER_TIMEOUT
#define LEADER_TIMEOUT 300
#endif
__attribute__ ((weak))
void leader_start(void) {}
__attribute__ ((weak))
void leader_end(void) {}
// Leader key stuff
bool leading = false;
uint16_t leader_time = 0;
uint16_t leader_sequence[5] = {0, 0, 0, 0, 0};
uint8_t leader_sequence_size = 0;
void qk_leader_start(void) {
if (leading) { return; }
leader_start();
leading = true;
leader_time = timer_read();
leader_sequence_size = 0;
memset(leader_sequence, 0, sizeof(leader_sequence));
}
bool process_leader(uint16_t keycode, keyrecord_t *record) {
// Leader key set-up
if (record->event.pressed) {
if (leading) {
if (timer_elapsed(leader_time) < LEADER_TIMEOUT) {
#ifndef LEADER_KEY_STRICT_KEY_PROCESSING
if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) {
keycode = keycode & 0xFF;
}
#endif // LEADER_KEY_STRICT_KEY_PROCESSING
if ( leader_sequence_size < ( sizeof(leader_sequence) / sizeof(leader_sequence[0]) ) ) {
leader_sequence[leader_sequence_size] = keycode;
leader_sequence_size++;
} else {
leading = false;
leader_end();
}
#ifdef LEADER_PER_KEY_TIMING
leader_time = timer_read();
#endif
return false;
}
} else {
if (keycode == KC_LEAD) {
qk_leader_start();
}
}
}
return true;
}
#endif
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