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-rw-r--r--app/src/behaviors/behavior_hold_tap.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/app/src/behaviors/behavior_hold_tap.c b/app/src/behaviors/behavior_hold_tap.c
index 4e91846..8f239dc 100644
--- a/app/src/behaviors/behavior_hold_tap.c
+++ b/app/src/behaviors/behavior_hold_tap.c
@@ -40,6 +40,7 @@ struct behavior_hold_tap_config {
int tapping_term_ms;
char *hold_behavior_dev;
char *tap_behavior_dev;
+ int quick_tap_ms;
enum flavor flavor;
};
@@ -67,6 +68,24 @@ struct active_hold_tap active_hold_taps[ZMK_BHV_HOLD_TAP_MAX_HELD] = {};
// We capture most position_state_changed events and some modifiers_state_changed events.
const zmk_event_t *captured_events[ZMK_BHV_HOLD_TAP_MAX_CAPTURED_EVENTS] = {};
+// Keep track of which key was tapped most recently for 'quick_tap_ms'
+struct last_tapped {
+ int32_t position;
+ int64_t tap_deadline;
+};
+
+struct last_tapped last_tapped;
+
+static void store_last_tapped(struct active_hold_tap *hold_tap) {
+ last_tapped.position = hold_tap->position;
+ last_tapped.tap_deadline = hold_tap->timestamp + hold_tap->config->quick_tap_ms;
+}
+
+static bool is_quick_tap(struct active_hold_tap *hold_tap) {
+ return last_tapped.position == hold_tap->position &&
+ last_tapped.tap_deadline > hold_tap->timestamp;
+}
+
static int capture_event(const zmk_event_t *event) {
for (int i = 0; i < ZMK_BHV_HOLD_TAP_MAX_CAPTURED_EVENTS; i++) {
if (captured_events[i] == NULL) {
@@ -191,6 +210,7 @@ enum decision_moment {
HT_OTHER_KEY_DOWN = 1,
HT_OTHER_KEY_UP = 2,
HT_TIMER_EVENT = 3,
+ HT_QUICK_TAP = 4,
};
static void decide_balanced(struct active_hold_tap *hold_tap, enum decision_moment event) {
@@ -204,6 +224,10 @@ static void decide_balanced(struct active_hold_tap *hold_tap, enum decision_mome
hold_tap->is_hold = 1;
hold_tap->is_decided = true;
break;
+ case HT_QUICK_TAP:
+ hold_tap->is_hold = 0;
+ hold_tap->is_decided = true;
+ break;
default:
return;
}
@@ -219,6 +243,10 @@ static void decide_tap_preferred(struct active_hold_tap *hold_tap, enum decision
hold_tap->is_hold = 1;
hold_tap->is_decided = true;
break;
+ case HT_QUICK_TAP:
+ hold_tap->is_hold = 0;
+ hold_tap->is_decided = true;
+ break;
default:
return;
}
@@ -235,6 +263,10 @@ static void decide_hold_preferred(struct active_hold_tap *hold_tap, enum decisio
hold_tap->is_hold = 1;
hold_tap->is_decided = true;
break;
+ case HT_QUICK_TAP:
+ hold_tap->is_hold = 0;
+ hold_tap->is_decided = true;
+ break;
default:
return;
}
@@ -293,6 +325,7 @@ static void decide_hold_tap(struct active_hold_tap *hold_tap, enum decision_mome
binding.behavior_dev = hold_tap->config->tap_behavior_dev;
binding.param1 = hold_tap->param_tap;
binding.param2 = 0;
+ store_last_tapped(hold_tap);
}
behavior_keymap_binding_pressed(&binding, event);
release_captured_events();
@@ -320,6 +353,10 @@ static int on_hold_tap_binding_pressed(struct zmk_behavior_binding *binding,
LOG_DBG("%d new undecided hold_tap", event.position);
undecided_hold_tap = hold_tap;
+ if (is_quick_tap(hold_tap)) {
+ decide_hold_tap(hold_tap, HT_QUICK_TAP);
+ }
+
// if this behavior was queued we have to adjust the timer to only
// wait for the remaining time.
int32_t tapping_term_ms_left = (hold_tap->timestamp + cfg->tapping_term_ms) - k_uptime_get();
@@ -492,6 +529,7 @@ static struct behavior_hold_tap_data behavior_hold_tap_data;
.tapping_term_ms = DT_INST_PROP(n, tapping_term_ms), \
.hold_behavior_dev = DT_LABEL(DT_INST_PHANDLE_BY_IDX(n, bindings, 0)), \
.tap_behavior_dev = DT_LABEL(DT_INST_PHANDLE_BY_IDX(n, bindings, 1)), \
+ .quick_tap_ms = DT_INST_PROP(n, quick_tap_ms), \
.flavor = DT_ENUM_IDX(DT_DRV_INST(n), flavor), \
}; \
DEVICE_AND_API_INIT(behavior_hold_tap_##n, DT_INST_LABEL(n), behavior_hold_tap_init, \