qmk_firmware/users/callum/oneshot.c
Callum Oakley 3d4f0028d6
[Keymap] major keymap overhaul (#10185)
* experiment with userspace

* reorganise

* readme

* missing oneshot shift from ignored keys

* recombine hands in layout macro
2020-09-09 15:37:34 -07:00

58 lines
1.7 KiB
C

#include "oneshot.h"
void update_oneshot(
oneshot_state *state,
uint16_t mod,
uint16_t trigger,
uint16_t keycode,
keyrecord_t *record
) {
if (keycode == trigger) {
if (record->event.pressed) {
// Trigger keydown
if (*state == os_up_unqueued) {
register_code(mod);
}
*state = os_down_unused;
} else {
// Trigger keyup
switch (*state) {
case os_down_unused:
// If we didn't use the mod while trigger was held, queue it.
*state = os_up_queued;
break;
case os_down_used:
// If we did use the mod while trigger was held, unregister it.
*state = os_up_unqueued;
unregister_code(mod);
break;
default:
break;
}
}
} else {
if (record->event.pressed) {
if (is_oneshot_cancel_key(keycode) && *state != os_up_unqueued) {
// Cancel oneshot on designated cancel keydown.
*state = os_up_unqueued;
unregister_code(mod);
}
} else {
if (!is_oneshot_ignored_key(keycode)) {
// On non-ignored keyup, consider the oneshot used.
switch (*state) {
case os_down_unused:
*state = os_down_used;
break;
case os_up_queued:
*state = os_up_unqueued;
unregister_code(mod);
break;
default:
break;
}
}
}
}
}