C++ (Cpp) AccessibleWrap::KeyboardShortcut Examples

Example #1

File: nsMaiInterfaceAction.cpp Project: 0b10011/mozilla-central

static const gchar*
getKeyBindingCB(AtkAction *aAction, gint aActionIndex)
{
  AccessibleWrap* acc = GetAccessibleWrap(ATK_OBJECT(aAction));
  if (!acc)
    return nullptr;

  // Return all key bindings including access key and keyboard shortcut.
  nsAutoString keyBindingsStr;

  // Get access key.
  KeyBinding keyBinding = acc->AccessKey();
  if (!keyBinding.IsEmpty()) {
    keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);

    Accessible* parent = acc->Parent();
    roles::Role role = parent ? parent->Role() : roles::NOTHING;
    if (role == roles::PARENT_MENUITEM || role == roles::MENUITEM ||
        role == roles::RADIO_MENU_ITEM || role == roles::CHECK_MENU_ITEM) {
      // It is submenu, expose keyboard shortcuts from menu hierarchy like
      // "s;<Alt>f:s"
      nsAutoString keysInHierarchyStr = keyBindingsStr;
      do {
        KeyBinding parentKeyBinding = parent->AccessKey();
        if (!parentKeyBinding.IsEmpty()) {
          nsAutoString str;
          parentKeyBinding.ToString(str, KeyBinding::eAtkFormat);
          str.Append(':');

          keysInHierarchyStr.Insert(str, 0);
        }
      } while ((parent = parent->Parent()) && parent->Role() != roles::MENUBAR);

      keyBindingsStr.Append(';');
      keyBindingsStr.Append(keysInHierarchyStr);
    }
  } else {
    // No access key, add ';' to point this.
    keyBindingsStr.Append(';');
  }

  // Get keyboard shortcut.
  keyBindingsStr.Append(';');
  keyBinding = acc->KeyboardShortcut();
  if (!keyBinding.IsEmpty()) {
    keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);
  }

  return AccessibleWrap::ReturnString(keyBindingsStr);
}