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fix: replace long-press lock trigger with back_btn.isPressed() check

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Long press detection on back_btn was unreliable — the release generated
a spurious CLICK that cancelled the sequence. Now the Enter click handler
checks back_btn.isPressed() directly: holding Back and clicking Enter 3×
within 3 seconds locks/unlocks the screen.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-05-17 10:09:54 +02:00
co-authored by Claude Sonnet 4.6
parent ef0241b5f3
commit 43f3621fdc
2 changed files with 31 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/companion_radio/ui-new/UITask.cpp
+28 -43
View File
@@ -1185,7 +1185,26 @@ void UITask::loop() {
#if UI_HAS_JOYSTICK
int ev = user_btn.check();
if (ev == BUTTON_EVENT_CLICK) {
c = checkDisplayOn(KEY_ENTER);
if (back_btn.isPressed()) {
// Enter clicked while Back is held — lock/unlock sequence
if (millis() - _lock_seq_ms > 3000) _lock_seq_count = 0; // timeout reset
_lock_seq_count++;
_lock_seq_ms = millis();
if (_lock_seq_count >= 3) {
_lock_seq_count = 0;
_locked = !_locked;
if (_locked) {
_lock_wake_until = millis() + 2000;
} else {
uint32_t aoff = autoOffMillis();
if (aoff > 0) _auto_off = millis() + aoff;
}
_next_refresh = 0;
}
// eat the Enter — don't pass to curr
} else {
c = checkDisplayOn(KEY_ENTER);
}
} else if (ev == BUTTON_EVENT_LONG_PRESS) {
c = handleLongPress(KEY_ENTER); // REVISIT: could be mapped to different key code
}
@@ -1213,13 +1232,11 @@ void UITask::loop() {
}
ev = back_btn.check();
if (ev == BUTTON_EVENT_CLICK) {
c = checkDisplayOn(KEY_CANCEL);
} else if (ev == BUTTON_EVENT_LONG_PRESS) {
if (_display != NULL && _display->isOn()) {
_lock_seq = 1;
if (_lock_seq_count > 0) {
// Back released mid-sequence — cancel sequence, eat the click
_lock_seq_count = 0;
_lock_seq_ms = millis();
_next_refresh = 0;
} else {
c = checkDisplayOn(KEY_CANCEL);
}
} else if (ev == BUTTON_EVENT_TRIPLE_CLICK) {
c = handleTripleClick(KEY_SELECT);
@@ -1263,43 +1280,13 @@ void UITask::loop() {
}
#endif
// Lock sequence timeout check
if (_lock_seq == 1 && millis() - _lock_seq_ms > 3000) {
_lock_seq = 0;
_lock_seq_count = 0;
}
if (c != 0) {
// Intercept Enter presses when a lock/unlock sequence is active
if (_lock_seq == 1 && c == KEY_ENTER) {
_lock_seq_count++;
if (_lock_seq_count >= 3) {
_lock_seq = 0;
_lock_seq_count = 0;
_locked = !_locked;
if (_locked) {
_lock_wake_until = millis() + 2000; // brief "locked" display, then blank
} else {
uint32_t aoff = autoOffMillis();
if (aoff > 0) _auto_off = millis() + aoff;
}
}
_next_refresh = 0;
} else if (_lock_seq == 1) {
// Non-Enter key cancels the sequence; process key normally below
_lock_seq = 0;
_lock_seq_count = 0;
if (!_locked && curr) {
curr->handleInput(c);
{ uint32_t aoff = autoOffMillis(); if (aoff > 0) _auto_off = millis() + aoff; }
_next_refresh = 100;
}
} else if (!_locked && curr) {
if (!_locked && curr) {
curr->handleInput(c);
{ uint32_t aoff = autoOffMillis(); if (aoff > 0) _auto_off = millis() + aoff; } // extend auto-off timer
_next_refresh = 100; // trigger refresh
} else if (_locked) {
// Locked: eat all keys except unlock sequence (handled above)
// Locked: eat all keys (unlock sequence handled at button-event level above)
// Any key extends the wake window if display is already on
if (_display != NULL && _display->isOn())
_lock_wake_until = millis() + 5000;
@@ -1371,10 +1358,8 @@ void UITask::loop() {
}
// Hint popup at bottom (like alert style)
_display->setTextSize(1);
const char* hint = _lock_seq == 1
? (_lock_seq_count == 0 ? "Enter x3 to unlock" :
_lock_seq_count == 1 ? "Enter x2 more..." : "Enter x1 more...")
: "Hold Back + 3xEnter";
const char* hint = _lock_seq_count == 0 ? "Hold Back + 3xEnter" :
_lock_seq_count == 1 ? "Enter x2 more..." : "Enter x1 more...";
int p = 3;
int hy = _display->height() - 13;
int hw = _display->getTextWidth(hint);