Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123]

BtDeviceClass
CommonlyUsedImages
DecoratorDesignation
DimensionsDebugGlobal
DimensionsGlobal
RectCornerName
RectPointName
DimensionsSystemInterface
AppMonitorSignalType
ExternalAppType
PageRestoreMSaveFileSelector
QuickLaunchRestoreSaveFileSelector
StaticMatchListType
WOAppIconType
WOAppOrigin
WOAppVisibility
AppEffector
AppMonitor
ExternalApp
WebOSAppRestoreObject
PageRestore
PageSaver
Blacklist
FilterList
SafeFileOperator
StaticMatchList
WebOSApp
DimensionsTypes
AnimationType
HideCause
ShowCause
UiState
DimensionsUITest
IconFactory
FilenameUtils
FindIconHint
FrameDirection
IconActionRequest
IconAnimationType
IconInternalHitAreas
IconRenderStage
LabeledDivRenderStage
LauncherAreas
LaunchPointAddedReason
LaunchPointRemovedReason
LaunchPointUpdatedReason
LinearMotionTransformTriggers
OverlayLayerMode
PageAreas
PageMode
PageOpsReturnCode
PageScrollDirectionLock
PageTabDisplayMode
Palm
DbBackupStatus
PictureBoxHorizontalAlignment
PictureBoxVerticalAlignment
PixmapHTilingStyle
PixmapObjectTilingType
PixmapObjectType
PixmapTilingStyle
PixmapVTilingStyle
Pre_Keyboard
PreKeymap
LayoutFamily
WKey
QuicklaunchLayout
Position
GridPosition
RedirectingType
RemoveDeleteDecoratorSelector
RemoveDeleteDecoratorState
StringTranslator
TextBoxHorizontalAlignment
TextBoxVerticalAlignment
TouchTriggerType
ActiveCallBanner
ActiveCallBannerEventFactory
AlertWindow
AlphabetIconLayout
AlphabetPage
AmbientLightSensor
AnimatedSpinner
AnimationEquations
AnimationSettings
AppDirectRenderingArbitrator
ApplicationDescription
ApplicationDescriptionBase
ApplicationInstaller
ApplicationManager
DownloadRequest
ApplicationStatus
BackupManager
BannerAlerts
BannerMessage
BannerMessageEventFactory
BannerMessageHandler
BannerMessageHandlerPriv
BannerMessageView
BannerWindow
BluetoothDevice
BlurExponential
BootupAnimation
BootupAnimationTransition
CardDropShadowEffect
CardFlipRequest
CardGroup
CardHostWindow
CardLoading
CardTransition
CardWindow
ModalWindowPlacementInfo
Position
CardWindowManager
CardWindowManagerState
CircularBuffer
Sample
ClockWindow
cmptitle
ColorRoundRectButton
CommandParams
ConditionalSignalTransition
CoreNaviLeds
CoreNaviManager
DashboardAlerts
DashboardWindow
DashboardWindowContainer
DashboardWindowManager
DemoGoggles
DemoGoggles2
DemoGoggles3
DemoGoggles4
Details
DeviceInfo
DimensionsUI
DisplayCallbackCtx
DisplayDim
DisplayDockMode
DisplayManager
DisplayOff
DisplayOffOnCall
DisplayOffSuspended
DisplayOn
DisplayOnLocked
DisplayOnPuck
DisplayStateBase
DockModeAppMenuContainer
DockModeClock
DockModeClockWindow
DockModeLaunchPoint
DockModeMenuItem
DockModeMenuManager
DockModePositionManager
DockModeWindow
DockModeWindowManager
DotGrid
DWMStateAlertOpen
DWMStateBase
DWMStateClosed
DWMStateOpen
DWMTransitionClosedToAlertOpen
DynamicsSettings
EASPolicy
EASPolicyManager
EmergencyWindowManager
EventReporter
EventThrottler
EventThrottlerIme
FlickEvent
FlickGesture
FlickGestureRecognizer
FocusState
FpsCounter
FpsHistory
FpsHistoryElem
FrictionTransform
FullEraseConfirmationWindow
GfxEffectBase
GfxEffectGLSLBase
GfxSepiaEffect
GhostCard
GogglesBlurShaderEffect
GraphicsItemContainer
GraphicsSettings
GroupAnchorItem
HapticsController
HapticsControllerCastle
HelpWindow
HorizontalDivider
HorizontalLabeledDivider
HostWindow
HostWindowData
HostWindowDataFactory
HostWindowDataOpenGL
HostWindowDataOpenGLTextureShared
HostWindowDataSoftware
IconAttributes
IconBase
IconCell
IconCmdRequestEvent
IconDecorator
IconGeometrySettings
IconHeap
IconLayout
IconLayoutSettings
IconOperation
IconReorderAnimation
IconRow
IconRowAlpha
IconRowAlphaRange
IconWrapper
IMEController
IMEDataInterface
IMEManager
IMEView
InputClient
InputItem
InputManager
InputWindowManager
InstallParams
IpcClientHost
IpcServer
KeyboardTransition
KeyLocationRecorder
KeyNavigator
KineticScroller
LabeledButton
LauncherFeedbackWindow
LauncherObject
LauncherPageHPanRedirectContext
LauncherPageIconTransferRedirectContext
LauncherTouchRedirectContext
LaunchPoint
LayoutItem
LayoutSettings
LinearMotionTransform
LoadingState
Location
LockBackground
LockButton
LockWindow
LunaConnector
MaximizeState
MaximizeToFocusTransition
MediaPlayerChangeListener
MemoryMonitor
MenuHandler
MenuWindow
MenuWindowManager
MetaKeyManager
MimeSystem
VerbInfo
MinimizeState
MouseEventEater
NativeAlertManager
NotificationPolicy
NRemoteWindow
OperationalSettings
OverlayLayer
OverlayWindowManager
PackageDescription
Page
PageIconTransferRedirectContext
PageMovementControl
PageTab
PageTabBar
PageTouchRedirectContext
PersistentWindowCache
PictureBox
PIpcChannelListener
PIpcServer
PixButton
PixButton2State
PixButtonExtraHitArea
PixButtonSimple
Pixmap3HTileObject
Pixmap3VTileObject
Pixmap9TileObject
PixmapFilmstripObject
PixmapHugeObject
FragmentedPaintCoordinate
PixmapJUPOCObject
PixmapJUPOCRefObject
PixmapObject
PixmapObjectLoader
PixPager
PixPagerAtlasPage
PixPagerDebugger
PixPagerPage
PixmapRects
PopUpAlert
Preferences
PreparingState
ProgressAnimation
PropertySettingSignalTransition
PtrArray
QDeclarativeItem
QEvent
QGesture
QGestureRecognizer
QGraphicsEffect
QGraphicsItem
QGraphicsItemGroup
QGraphicsObject
QGraphicsPixmapItem
QGraphicsPixmapObject
QGraphicsShaderEffect
QGraphicsTextItem
QGraphicsView
QKeyEventTransition
QmlAlertWindow
QObject
QQuickItem
QSharedData
QSignalTransition
QState
QStateMachine
QtHostWindow
QtJsonAbstract
QtJsonAbstractVariant
QuickLaunchBar
Quicklauncher
RedirectContext
RedirectHandler
RefCounted
RemoveParams
RenderedLabel
ReorderableIconLayout
ReorderablePage
ReorderGrid
ReorderState
ResourceHandler
ReticleItem
RoundedCorners
Runtime
ScreenEdgeFlickEvent
ScreenEdgeFlickGesture
ScreenEdgeFlickGestureRecognizer
ScreenShotParameter
ScrollableObject
ScrollingLayoutRenderer
ScrollingSurface
SearchPill
Security
ServiceDescription
SharedGlobalProperties
SingleClickGesture
SingleClickGestureRecognizer
SoundPlayer
SoundPlayerPool
StaticElementSettings
StatusBar
StatusBarBattery
StatusBarClock
StatusBarIcon
StatusBarIconContainer
StatusBarInfo
StatusBarInfoItem
StatusBarItem
StatusBarItemGroup
StatusBarNotificationArea
StatusBarNotificationIcon
StatusBarServicesConnector
StatusBarTitle
SuspendBlocker
SuspendBlockerBase
SysmgrBuiltinLaunchHelper
SysmgrDebuggerService
SysMgrGestureEvent
SysmgrIMEModel
SystemMenu
SystemService
__ActiveModalDialogInfo
SystemUiController
TextBox
TextEditBox
TextureSharedCompositingWindow
Thing
ThingPaintable
TimeDelayTransition
TopLevelWindowManager
TouchPlot
TouchRegister
TouchToShareGlow
TransparentNode
UiNavigationController
UiRootItem
VariableAnimationSignalTransition
VariantAnimation
VirtualCamera
VirtualKeyboardPreferences
VolumeControlAlertWindow
VpnProfile
WebAppMgrProxy
WebosTapAndHoldGesture
WebosTapAndHoldGestureRecognizer
WebosTapGestureRecognizer
WifiAccessPoint
Window
WindowContentTransitionRunner
WindowManagerBase
WindowManagerMinimal
WindowMetaData
WindowServer
WindowServerLuna
WindowServerMinimal
WindowServerOverlay
WSOverlayScreenShotAnimation