Method loop

src/activities/settings/FontSelectionActivity.cpp:73–129

void FontSelectionActivity::onExit() { Activity::onExit(); }

void FontSelectionActivity::loop() {
  if (mappedInput.wasPressed(MappedInputManager::Button::Back)) {
    SETTINGS.fontFamily = originalFontFamily_;
    strncpy(SETTINGS.sdFontFamilyName, originalSdFontFamilyName_, sizeof(SETTINGS.sdFontFamilyName) - 1);
    SETTINGS.sdFontFamilyName[sizeof(SETTINGS.sdFontFamilyName) - 1] = '\0';
    sdFontSystem.ensureLoaded(renderer);
    finish();
    return;
  }

  if (mappedInput.wasPressed(MappedInputManager::Button::Confirm)) {
    if (selectedIndex_ == previewFontIndex_) {
      handleSelection();
    } else {
      previewFontIndex_ = selectedIndex_;
      const auto& font = fonts_[selectedIndex_];
      if (font.isBuiltin) {
        SETTINGS.fontFamily = font.settingIndex;
        SETTINGS.sdFontFamilyName[0] = '\0';
      } else if (registry_) {
        const int sdIdx = font.settingIndex - CrossPointSettings::BUILTIN_FONT_COUNT;
        const auto& families = registry_->getFamilies();
        if (sdIdx < static_cast<int>(families.size())) {
          strncpy(SETTINGS.sdFontFamilyName, families[sdIdx].name.c_str(), sizeof(SETTINGS.sdFontFamilyName) - 1);
          SETTINGS.sdFontFamilyName[sizeof(SETTINGS.sdFontFamilyName) - 1] = '\0';
          sdFontSystem.ensureLoaded(renderer);
        }
      }
      requestUpdate();
    }
    return;
  }

  const int listSize = static_cast<int>(fonts_.size());
  const int pageItems =
      UITheme::getNumberOfItemsPerPage(renderer, true, false, true, false, previewHeight + metrics_.verticalSpacing);

  buttonNavigator_.onNextRelease([this, listSize] {
    selectedIndex_ = ButtonNavigator::nextIndex(selectedIndex_, listSize);
    requestUpdate();
  });

  buttonNavigator_.onPreviousRelease([this, listSize] {
    selectedIndex_ = ButtonNavigator::previousIndex(selectedIndex_, listSize);
    requestUpdate();
  });

  buttonNavigator_.onNextContinuous([this, listSize, pageItems] {
    selectedIndex_ = ButtonNavigator::nextPageIndex(selectedIndex_, listSize, pageItems);
    requestUpdate();
  });

  buttonNavigator_.onPreviousContinuous([this, listSize, pageItems] {
    selectedIndex_ = ButtonNavigator::previousPageIndex(selectedIndex_, listSize, pageItems);
    requestUpdate();
  });
}