Fix button navigation

src/ButtonEventManager.cpp

@@ -72,6 +72,7 @@ void ButtonEventManager::drain() {
     b.releaseTime = 0;
   }
   eventHead = eventTail = 0;
+  longPressDispatchedMask = 0;
 }
 
 void ButtonEventManager::processButton(const int idx, const Button btn) {
@@ -140,6 +141,14 @@ void ButtonEventManager::processButton(const int idx, const Button btn) {
 }
 
 void ButtonEventManager::update() {
+  // Clear the long-press-dispatched flag for buttons that are pressed again.
+  // This allows the flag to survive through the release tick (so detectPageTurn
+  // can suppress the page-turn on release) and resets cleanly on the next press.
+  for (int i = 0; i < NUM_BUTTONS; i++) {
+    if ((longPressDispatchedMask & (1u << i)) && input.wasPressed(ALL_BUTTONS[i])) {
+      longPressDispatchedMask &= ~(1u << i);
+    }
+  }
   for (int i = 0; i < NUM_BUTTONS; i++) {
     processButton(i, ALL_BUTTONS[i]);
   }

src/ButtonEventManager.h

@@ -71,6 +71,17 @@ class ButtonEventManager {
   // ButtonEventManager queries CrossPointSettings internally.
   bool hasDoubleAction(Button button) const;
 
+  // Called by the global dispatcher (main.cpp) when a Long event is consumed for a
+  // non-default action on a navigation button. Suppresses the release-based page turn
+  // that would otherwise fire when the button is released after the long action.
+  void markLongPressDispatched(Button button) { longPressDispatchedMask |= (1u << static_cast<int>(button)); }
+
+  // Returns true if markLongPressDispatched was called for this button since the last
+  // update(). detectPageTurn() uses this to skip wasReleased-based page turns.
+  bool wasLongPressDispatched(Button button) const {
+    return (longPressDispatchedMask & (1u << static_cast<int>(button))) != 0;
+  }
+
  private:
   static constexpr int NUM_BUTTONS = 9;
   static constexpr Button ALL_BUTTONS[NUM_BUTTONS] = {
@@ -79,6 +90,7 @@ class ButtonEventManager {
   };
 
   uint32_t forcedDoubleMask = 0;
+  uint32_t longPressDispatchedMask = 0;
 
   enum class State { Idle, Pressed, ReleasedOnce, DoublePressed };
 

src/activities/reader/EpubReaderChapterSelectionActivity.cpp

@@ -64,18 +64,6 @@ void EpubReaderChapterSelectionActivity::loop() {
       finish();
       return;
     }
-    if ((ev.button == MappedInputManager::Button::PageBack || ev.button == MappedInputManager::Button::Left) &&
-        ev.type == ButtonEventManager::PressType::Short) {
-      selectorIndex = ButtonNavigator::previousIndex(selectorIndex, totalItems);
-      requestUpdate();
-      return;
-    }
-    if ((ev.button == MappedInputManager::Button::PageForward || ev.button == MappedInputManager::Button::Right) &&
-        ev.type == ButtonEventManager::PressType::Short) {
-      selectorIndex = ButtonNavigator::nextIndex(selectorIndex, totalItems);
-      requestUpdate();
-      return;
-    }
   }
 
   buttonNavigator.onNextList(selectorIndex, totalItems, [this] { requestUpdate(); });

src/activities/reader/MdReaderTocSelectionActivity.cpp

@@ -55,20 +55,6 @@ void MdReaderTocSelectionActivity::loop() {
       finish();
       return;
     }
-
-    if ((ev.button == MappedInputManager::Button::PageBack || ev.button == MappedInputManager::Button::Left) &&
-        ev.type == ButtonEventManager::PressType::Short) {
-      selectorIndex = ButtonNavigator::previousIndex(selectorIndex, totalItems);
-      requestUpdate();
-      return;
-    }
-
-    if ((ev.button == MappedInputManager::Button::PageForward || ev.button == MappedInputManager::Button::Right) &&
-        ev.type == ButtonEventManager::PressType::Short) {
-      selectorIndex = ButtonNavigator::nextIndex(selectorIndex, totalItems);
-      requestUpdate();
-      return;
-    }
   }
 
   buttonNavigator.onNextList(selectorIndex, totalItems, [this] { requestUpdate(); });

src/activities/reader/ReaderUtils.h

@@ -115,16 +115,21 @@ inline PageTurnResult detectPageTurn(const MappedInputManager& input) {
   }
   const bool prevButtonReleased = (SETTINGS.btnShortPageBack == BA::BTN_DEFAULT &&
                                    !globalButtonEvents().hasDoubleAction(MappedInputManager::Button::PageBack) &&
+                                   !globalButtonEvents().wasLongPressDispatched(MappedInputManager::Button::PageBack) &&
                                    input.wasReleased(MappedInputManager::Button::PageBack)) ||
                                   (SETTINGS.btnShortLeft == BA::BTN_DEFAULT &&
                                    !globalButtonEvents().hasDoubleAction(MappedInputManager::Button::Left) &&
+                                   !globalButtonEvents().wasLongPressDispatched(MappedInputManager::Button::Left) &&
                                    input.wasReleased(MappedInputManager::Button::Left));
-  const bool nextButtonReleased = (SETTINGS.btnShortPageForward == BA::BTN_DEFAULT &&
-                                   !globalButtonEvents().hasDoubleAction(MappedInputManager::Button::PageForward) &&
-                                   input.wasReleased(MappedInputManager::Button::PageForward)) ||
-                                  (SETTINGS.btnShortRight == BA::BTN_DEFAULT &&
-                                   !globalButtonEvents().hasDoubleAction(MappedInputManager::Button::Right) &&
-                                   input.wasReleased(MappedInputManager::Button::Right));
+  const bool nextButtonReleased =
+      (SETTINGS.btnShortPageForward == BA::BTN_DEFAULT &&
+       !globalButtonEvents().hasDoubleAction(MappedInputManager::Button::PageForward) &&
+       !globalButtonEvents().wasLongPressDispatched(MappedInputManager::Button::PageForward) &&
+       input.wasReleased(MappedInputManager::Button::PageForward)) ||
+      (SETTINGS.btnShortRight == BA::BTN_DEFAULT &&
+       !globalButtonEvents().hasDoubleAction(MappedInputManager::Button::Right) &&
+       !globalButtonEvents().wasLongPressDispatched(MappedInputManager::Button::Right) &&
+       input.wasReleased(MappedInputManager::Button::Right));
 
   const bool prev = tiltPrev || prevButtonReleased;
   const bool next = tiltNext || nextButtonReleased;

src/activities/reader/XtcReaderChapterSelectionActivity.cpp

@@ -71,18 +71,6 @@ void XtcReaderChapterSelectionActivity::loop() {
       finish();
       return;
     }
-    if ((ev.button == MappedInputManager::Button::PageBack || ev.button == MappedInputManager::Button::Left) &&
-        ev.type == ButtonEventManager::PressType::Short) {
-      selectorIndex = ButtonNavigator::previousIndex(selectorIndex, totalItems);
-      requestUpdate();
-      return;
-    }
-    if ((ev.button == MappedInputManager::Button::PageForward || ev.button == MappedInputManager::Button::Right) &&
-        ev.type == ButtonEventManager::PressType::Short) {
-      selectorIndex = ButtonNavigator::nextIndex(selectorIndex, totalItems);
-      requestUpdate();
-      return;
-    }
   }
 
   buttonNavigator.onNextList(selectorIndex, totalItems, [this] { requestUpdate(); });

src/main.cpp

@@ -532,6 +532,13 @@ void loop() {
         continue;
       }
 
+      // When a non-default Long action fires for a page-turn button, mark it so that
+      // detectPageTurn() suppresses the wasReleased-based page turn on button release.
+      if (ev.type == ButtonEventManager::PressType::Long &&
+          (ev.button == B::Left || ev.button == B::Right || ev.button == B::PageBack || ev.button == B::PageForward)) {
+        buttonEventManager.markLongPressDispatched(ev.button);
+      }
+
       switch (static_cast<BA>(action)) {
         case BA::BTN_PAGE_FORWARD:
           activityManager.dispatchButtonAction(BA::BTN_PAGE_FORWARD);

src/util/ButtonNavigator.cpp

@@ -272,15 +272,15 @@ void ButtonNavigator::onListNav(const Buttons& buttons, const bool forward, int&
 
   const bool wasReleased = std::any_of(buttons.begin(), buttons.end(),
                                        [](const MappedInputManager::Button b) { return mappedInput->wasReleased(b); });
-  if (wasReleased) {
+  if (!wasReleased) return;
+
+  // Long press already fired: reset the guard and skip navigation — the jump-to-end
+  // already happened on the down-hold, so release produces no additional move.
+  if (longPressFired) {
     longPressFired = false;
     return;
   }
 
-  const bool wasPressed = std::any_of(buttons.begin(), buttons.end(),
-                                      [](const MappedInputManager::Button b) { return mappedInput->wasPressed(b); });
-  if (!wasPressed) return;
-
   const uint32_t now = millis();
   const bool isDouble = (now - lastPressMs) < listDoubleClickMs;
   lastPressMs = now;