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-rw-r--r--tmk_core/common/action.c33
-rw-r--r--tmk_core/common/action.h18
-rw-r--r--tmk_core/common/action_code.h8
3 files changed, 58 insertions, 1 deletions
diff --git a/tmk_core/common/action.c b/tmk_core/common/action.c
index be6dea2b79..0413b1a997 100644
--- a/tmk_core/common/action.c
+++ b/tmk_core/common/action.c
@@ -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:
diff --git a/tmk_core/common/action.h b/tmk_core/common/action.h
index e8aa12a7cb..b9bdfe642c 100644
--- a/tmk_core/common/action.h
+++ b/tmk_core/common/action.h
@@ -65,6 +65,24 @@ bool process_record_quantum(keyrecord_t *record);
#if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
extern bool disable_action_cache;
#endif
+
+/* Code for handling one-handed key modifiers. */
+#ifdef ONEHAND_ENABLE
+extern bool swap_hands;
+extern const keypos_t hand_swap_config[MATRIX_ROWS][MATRIX_COLS];
+#if (MATRIX_COLS <= 8)
+typedef uint8_t swap_state_row_t;
+#elif (MATRIX_COLS <= 16)
+typedef uint16_t swap_state_row_t;
+#elif (MATRIX_COLS <= 32)
+typedef uint32_t swap_state_row_t;
+#else
+#error "MATRIX_COLS: invalid value"
+#endif
+
+void process_hand_swap(keyevent_t *record);
+#endif
+
void process_record_nocache(keyrecord_t *record);
void process_record(keyrecord_t *record);
void process_action(keyrecord_t *record, action_t action);
diff --git a/tmk_core/common/action_code.h b/tmk_core/common/action_code.h
index ca729aaece..95d2cbf3e4 100644
--- a/tmk_core/common/action_code.h
+++ b/tmk_core/common/action_code.h
@@ -295,6 +295,10 @@ enum backlight_opt {
BACKLIGHT_STEP = 3,
BACKLIGHT_LEVEL = 4,
};
+
+enum command_id {
+ CMD_SWAP_HANDS = 0x14,
+};
/* Macro */
#define ACTION_MACRO(id) ACTION(ACT_MACRO, (id))
#define ACTION_MACRO_TAP(id) ACTION(ACT_MACRO, FUNC_TAP<<8 | (id))
@@ -306,7 +310,7 @@ enum backlight_opt {
#define ACTION_BACKLIGHT_STEP() ACTION(ACT_BACKLIGHT, BACKLIGHT_STEP << 8)
#define ACTION_BACKLIGHT_LEVEL(level) ACTION(ACT_BACKLIGHT, BACKLIGHT_LEVEL << 8 | (level))
/* Command */
-#define ACTION_COMMAND(id, opt) ACTION(ACT_COMMAND, (opt)<<8 | (addr))
+#define ACTION_COMMAND(id, opt) ACTION(ACT_COMMAND, (opt)<<8 | (id))
/* Function */
enum function_opts {
FUNC_TAP = 0x8, /* indciates function is tappable */
@@ -314,5 +318,7 @@ enum function_opts {
#define ACTION_FUNCTION(id) ACTION(ACT_FUNCTION, (id))
#define ACTION_FUNCTION_TAP(id) ACTION(ACT_FUNCTION, FUNC_TAP<<8 | (id))
#define ACTION_FUNCTION_OPT(id, opt) ACTION(ACT_FUNCTION, (opt)<<8 | (id))
+/* OneHand Support */
+#define ACTION_SWAP_HANDS() ACTION_COMMAND(CMD_SWAP_HANDS, 0)
#endif /* ACTION_CODE_H */