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fix: polish lock screen sequence — hints update instantly, screen stays on, triple-Back blocked

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- Turn display on at first Back+Enter press so hints are visible even when screen was dark
- Extend _lock_wake_until on every sequence step to prevent screen blanking mid-press
- Set _next_refresh=0 on every Enter press (not just on completion) for immediate hint redraw
- Add _lock_seq_used flag to suppress the Back CLICK that fires on release after unlock
- Block triple-Back (buzzer toggle) when screen is locked

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-05-17 11:17:59 +02:00
co-authored by Claude Sonnet 4.6
parent 43f3621fdc
commit 20e88443b4
2 changed files with 13 additions and 5 deletions
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examples/companion_radio/ui-new/UITask.cpp
+11 -4
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@@ -1187,19 +1187,25 @@ void UITask::loop() {
if (ev == BUTTON_EVENT_CLICK) {
if (back_btn.isPressed()) {
// Enter clicked while Back is held — lock/unlock sequence
if (_display && !_display->isOn()) {
_display->turnOn(); // turn on display so hints are visible
}
_lock_wake_until = millis() + 5000; // keep display on during sequence
if (millis() - _lock_seq_ms > 3000) _lock_seq_count = 0; // timeout reset
_lock_seq_count++;
_lock_seq_ms = millis();
_next_refresh = 0; // update hint immediately on each press
if (_lock_seq_count >= 3) {
_lock_seq_count = 0;
_lock_seq_used = true; // suppress Back release click
_locked = !_locked;
if (_locked) {
_lock_wake_until = millis() + 2000;
} else {
if (_display && !_display->isOn()) _display->turnOn();
uint32_t aoff = autoOffMillis();
if (aoff > 0) _auto_off = millis() + aoff;
}
_next_refresh = 0;
}
// eat the Enter — don't pass to curr
} else {
@@ -1232,14 +1238,15 @@ void UITask::loop() {
}
ev = back_btn.check();
if (ev == BUTTON_EVENT_CLICK) {
if (_lock_seq_count > 0) {
// Back released mid-sequence — cancel sequence, eat the click
if (_lock_seq_count > 0 || _lock_seq_used) {
// Back released mid-sequence or after completing it — cancel/suppress
_lock_seq_count = 0;
_lock_seq_used = false;
} else {
c = checkDisplayOn(KEY_CANCEL);
}
} else if (ev == BUTTON_EVENT_TRIPLE_CLICK) {
c = handleTripleClick(KEY_SELECT);
if (!_locked) c = handleTripleClick(KEY_SELECT);
}
#elif defined(PIN_USER_BTN)
int ev = user_btn.check();