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Allow dead keys in Antecedent Morph.

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This commit is contained in:
Void Your Warranty 2023-10-28 19:59:47 +02:00
parent b9b9c73687
commit 88093e113f
1 changed files with 12 additions and 9 deletions
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19
app/src/behaviors/behavior_antecedent_morph.c
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@ -36,7 +36,7 @@ struct behavior_antecedent_morph_data {
// Data shared by all instances
static int32_t code_pressed; // most recently pressed key code (with implicit mods, usage page and keycode)
static int64_t time_pressed; // time stamp in milli-seconds of that release
static int64_t time_pressed; // time stamp in milli-seconds of that key press
static int antecedent_morph_keycode_state_changed_listener(const zmk_event_t *eh);
@ -46,28 +46,33 @@ ZMK_SUBSCRIPTION(behavior_antecedent_morph,zmk_keycode_state_changed);
// Capture all key press and release events in order to record the most recently pressed key code.
// Note that the event structure gives us the keycode (16 bit), the usage page (8 bit) and the implicit modifiers (8 bit),
// but not the explicit modifiers. If the keymap contains the binding "&kp RA(Y)", for example, then right-alt is an
// implicit modifier so that instead of the Y. the special character Ü is sent.
// implicit modifier so that instead of the Y, the special character Ü is sent (US International layout).
// Whether the user is holding down a shift key at that moment, however, i.e. the explicit modifiers, is not known. We could
// reconstruct this information by tracking the press and release events of the modifier keys (keycodes higher than 0xe0)
// though.
// We here record all key release events of non-modifier keys (keycodes less than 0xe0).
// We here record all key press events of non-modifier keys (keycodes less than 0xe0).
static int antecedent_morph_keycode_state_changed_listener(const zmk_event_t *eh) {
struct zmk_keycode_state_changed *ev = as_zmk_keycode_state_changed(eh);
int32_t code = ((ev->implicit_modifiers & 0xff) << 24) | ((ev->usage_page & 0xff) << 16) | (ev->keycode & 0xffff);
LOG_DBG("%s keycode %d page %d implicit mods %d explicit mods %d code 0x%08x",ev->state ? "down" : "up",ev->keycode,ev->usage_page,ev->implicit_modifiers,ev->explicit_modifiers,code);
if ((ev->state) && (ev->keycode < 0xe0)) {
if ((ev->state) && ((ev->keycode < 0xe0) || (ev->keycode > 0xff))) {
LOG_DBG("code_pressed changes from 0x%08x to 0x%08x",code_pressed,code);
code_pressed = code;
time_pressed = ev->timestamp;
}
if (ev->keycode > 0xff) {
LOG_DBG("event dropped");
return(ZMK_EV_EVENT_HANDLED);
} else {
return(ZMK_EV_EVENT_BUBBLE);
}
}
// When an antecedent morph binding is pressed. we test whether the most recently pressed key code
// is among the configured antecedents and whether the corresponding release event was no more
// When an antecedent morph binding is pressed, we test whether the most recently pressed key code
// is among the configured antecedents and whether the corresponding key press event was no more
// than the configured delay time ago.
static int on_antecedent_morph_binding_pressed(struct zmk_behavior_binding *binding,
struct zmk_behavior_binding_event event) {
@ -144,8 +149,6 @@ static int behavior_antecedent_morph_init(const struct device *dev) {
(DT_INST_PHA_BY_IDX(node, bindings, idx, param2))), \
}
// ??? add to the config the <antecedent> and the <max-delay-ms>
#define KP_INST(n) \
static struct behavior_antecedent_morph_config behavior_antecedent_morph_config_##n = { \
.serial = n, \