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/*
Copyright 2022 Eric Gebhart <e.a.gebhart@gmail.com>, @possumvibes
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/>.
*/
// Derived from nshot_mod by @possumvibes.
// Derived from one shot_mod by @Callum.
#include "nshot_mod.h"
#include USERSPACE_H
#undef NSHOT
#define NSHOT(KEYCODE, MOD, COUNT) \
{KEYCODE, MOD, COUNT, os_up_unqueued, 0},
#undef ONESHOT
#define ONESHOT(KEYCODE, MOD) NSHOT(KEYCODE, MOD, 1)
#define A_KEY(KEYCODE) case KEYCODE:
#define BLANK(...)
#define CANCEL_KEY BLANK
#define IGNORE_KEY BLANK
nshot_state_t nshot_states[] = {
#include "nshot.def"
};
uint8_t NUM_NSHOT_STATES = sizeof(nshot_states) / sizeof(nshot_state_t);
bool process_nshot_state(uint16_t keycode, keyrecord_t *record) {
nshot_state_t *curr_state = NULL;
switch(keycode){
case CLEAR: {
clear_oneshot_mods();
clear_mods();
return false;
}
case PANIC: {
clear_oneshot_mods();
clear_mods();
if (get_oneshot_layer() != 0) {
clear_oneshot_layer_state(ONESHOT_OTHER_KEY_PRESSED);
}
layer_move(0);
return false;
}
}
for (int i = 0; i < NUM_NSHOT_STATES; ++i) {
curr_state = &nshot_states[i];
if (keycode == curr_state->trigger) {
if (record->event.pressed) {
// Trigger keydown
if (curr_state->state == os_up_unqueued) {
register_code(curr_state->mod);
}
curr_state->state = os_down_unused;
curr_state->count = 0;
} else {
// Trigger keyup
switch (curr_state->state) {
case os_down_unused:
// If we didn't use the mod while trigger was held, queue it.
curr_state->state = os_up_queued;
break;
case os_down_used:
// If we did use the mod while trigger was held, unregister it.
curr_state->state = os_up_unqueued;
unregister_code(curr_state->mod);
break;
default:
break;
}
}
} else {
if (record->event.pressed) {
if (is_nshot_cancel_key(keycode) && curr_state->state != os_up_unqueued) {
// Cancel oneshot on designated cancel keydown.
curr_state->state = os_up_unqueued;
curr_state->count = 0;
unregister_code(curr_state->mod);
}
} else {
if (!is_nshot_ignored_key(keycode)) {
// On non-ignored keyup, consider the oneshot used.
switch (curr_state->state) {
case os_down_unused:
// The mod key is being held as a normal mod.
curr_state->state = os_down_used;
break;
case os_up_queued:
// The mod key is being used as an n-shot.
// Increment the keys-used count.
curr_state->count = curr_state->count + 1;
// If the n-shot max has been reached, complete the n-shot.
if (curr_state->count == curr_state->max_count) {
curr_state->state = os_up_unqueued;
curr_state->count = 0;
unregister_code(curr_state->mod);
}
break;
default:
break;
}
}
}
}
}
return true;
}
// turn off the nshot/oneshot macros
#undef ONESHOT
#undef NSHOT
#define ONESHOT BLANK
#define NSHOT BLANK
#undef CANCEL_KEY
#undef IGNORE_KEY
#define IGNORE_KEY BLANK
#define CANCEL_KEY A_KEY
bool is_nshot_cancel_key(uint16_t keycode) {
switch (keycode) {
#include "nshot.def"
return true;
default:
return false;
}
}
#undef CANCEL_KEY
#undef IGNORE_KEY
#define CANCEL_KEY BLANK
#define IGNORE_KEY A_KEY
bool is_nshot_ignored_key(uint16_t keycode) {
switch (keycode) {
#include "nshot.def"
return true;
default:
return false;
}
}
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