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Add one-hand support.

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This adds an action, `ACTION_SWAP_HANDS`, that swaps the the keys on the keyboard across a keymap-defined hemisphere in order to support one-hand typing without requiring a separate one-handed layer. See updated `doc/keymap.md` for more information.
This commit is contained in:
Joe Wasson 2016-07-27 08:43:02 -07:00
parent a3f726174c
commit dd37860160
5 changed files with 80 additions and 1 deletions
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33
tmk_core/common/action.c
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@ -41,6 +41,12 @@ void action_exec(keyevent_t event)
dprint("EVENT: "); debug_event(event); dprintln();
}
#ifdef ONEHAND_ENABLE
if (!IS_NOEVENT(event)) {
process_hand_swap(&event);
}
#endif
keyrecord_t record = { .event = event };
#ifndef NO_ACTION_TAPPING
@ -53,6 +59,26 @@ void action_exec(keyevent_t event)
#endif
}
#ifdef ONEHAND_ENABLE
bool swap_hands = false;
void process_hand_swap(keyevent_t *event) {
static swap_state_row_t swap_state[MATRIX_ROWS];
keypos_t pos = event->key;
swap_state_row_t col_bit = (swap_state_row_t)1<<pos.col;
bool do_swap = event->pressed ? swap_hands :
swap_state[pos.row] & (col_bit);
if (do_swap) {
event->key = hand_swap_config[pos.row][pos.col];
swap_state[pos.row] |= col_bit;
} else {
swap_state[pos.row] &= ~(col_bit);
}
}
#endif
#if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
bool disable_action_cache = false;
@ -439,6 +465,13 @@ void process_action(keyrecord_t *record, action_t action)
break;
#endif
case ACT_COMMAND:
switch (action.command.id) {
#ifdef ONEHAND_ENABLE
case CMD_SWAP_HANDS:
swap_hands = event.pressed;
break;
#endif
}
break;
#ifndef NO_ACTION_FUNCTION
case ACT_FUNCTION: