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QtGui.QGraphicsSceneHelpEvent Class Reference

The QGraphicsSceneHelpEvent class provides events when a tooltip is requested. More...

Inheritance diagram for QtGui.QGraphicsSceneHelpEvent:
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Collaboration diagram for QtGui.QGraphicsSceneHelpEvent:
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Public Member Functions

 QGraphicsSceneHelpEvent (QEvent.Type type=QEvent.Type.None)
 
override void CreateProxy ()
 
new void Dispose ()
 
- Public Member Functions inherited from QtGui.QGraphicsSceneEvent
 QGraphicsSceneEvent (QEvent.Type type)
 
new void Dispose ()
 
- Public Member Functions inherited from QtCore.QEvent
 QEvent (QEvent copy)
 
 
 QEvent (QEvent.Type type)
 
 
new void Accept ()
 
 
new void Ignore ()
 
 
new bool IsAccepted ()
 
new void SetAccepted (bool accepted)
 
new bool Spontaneous ()
 
 
new QEvent.Type type ()
 
 
new void Dispose ()
 

Protected Member Functions

 QGraphicsSceneHelpEvent (System.Type dummy)
 
- Protected Member Functions inherited from QtGui.QGraphicsSceneEvent
 QGraphicsSceneEvent (System.Type dummy)
 
- Protected Member Functions inherited from QtCore.QEvent
 QEvent (System.Type dummy)
 

Properties

new QPointF ScenePos [get, set]
 
 
new QPoint ScreenPos [get, set]
 
 
- Properties inherited from QtGui.QGraphicsSceneEvent
new QWidget Widget [get, set]
 
 
- Properties inherited from QtCore.QEvent
virtual System.IntPtr SmokeObject [get, set]
 
new ushort T [get, set]
 
static new QMetaObject StaticMetaObject [get]
 

Additional Inherited Members

- Public Types inherited from QtCore.QEvent
enum  Type {
  AcceptDropsChange = 152, AccessibilityDescription = 130, AccessibilityHelp = 119, AccessibilityPrepare = 86,
  ActionAdded = 114, ActionChanged = 113, ActionRemoved = 115, ActivateControl = 80,
  ActivationChange = 99, ApplicationActivate = 121, ApplicationActivated = 121, ApplicationDeactivate = 122,
  ApplicationDeactivated = 122, ApplicationFontChange = 36, ApplicationLayoutDirectionChange = 37, ApplicationPaletteChange = 38,
  ApplicationWindowIconChange = 35, ChildAdded = 68, ChildPolished = 69, ChildRemoved = 71,
  Clipboard = 40, Close = 19, CloseSoftwareInputPanel = 200, ContentsRectChange = 178,
  ContextMenu = 82, Create = 15, CursorChange = 183, DeactivateControl = 81,
  DeferredDelete = 52, Destroy = 16, DragEnter = 60, DragLeave = 62,
  DragMove = 61, DragResponse = 64, Drop = 63, DynamicPropertyChange = 170,
  EmbeddingControl = 79, EnabledChange = 98, Enter = 10, EnterWhatsThisMode = 124,
  FileOpen = 116, FocusIn = 8, FocusOut = 9, FontChange = 97,
  FutureCallOut = 180, Gesture = 198, GestureOverride = 202, GrabKeyboard = 188,
  GrabMouse = 186, GraphicsSceneContextMenu = 159, GraphicsSceneDragEnter = 164, GraphicsSceneDragLeave = 166,
  GraphicsSceneDragMove = 165, GraphicsSceneDrop = 167, GraphicsSceneHelp = 163, GraphicsSceneHoverEnter = 160,
  GraphicsSceneHoverLeave = 162, GraphicsSceneHoverMove = 161, GraphicsSceneMouseDoubleClick = 158, GraphicsSceneMouseMove = 155,
  GraphicsSceneMousePress = 156, GraphicsSceneMouseRelease = 157, GraphicsSceneMove = 182, GraphicsSceneResize = 181,
  GraphicsSceneWheel = 168, HelpRequest = 95, Hide = 18, HideToParent = 27,
  HoverEnter = 127, HoverLeave = 128, HoverMove = 129, IconDrag = 96,
  IconTextChange = 101, InputMethod = 83, KeyPress = 6, KeyRelease = 7,
  KeyboardLayoutChange = 169, LanguageChange = 89, LayoutDirectionChange = 90, LayoutRequest = 76,
  Leave = 11, LeaveWhatsThisMode = 125, LocaleChange = 88, MacGLClearDrawable = 191,
  MacGLWindowChange = 179, MacSizeChange = 177, MaxUser = 65535, MenubarUpdated = 153,
  MetaCall = 43, ModifiedChange = 102, MouseButtonDblClick = 4, MouseButtonPress = 2,
  MouseButtonRelease = 3, MouseMove = 5, MouseTrackingChange = 109, Move = 13,
  NativeGesture = 197, NetworkReplyUpdated = 185, NonClientAreaMouseButtonDblClick = 176, NonClientAreaMouseButtonPress = 174,
  NonClientAreaMouseButtonRelease = 175, NonClientAreaMouseMove = 173, None = 0, OkRequest = 94,
  Paint = 12, PaletteChange = 39, ParentAboutToChange = 131, ParentChange = 21,
  Polish = 75, PolishRequest = 74, QueryWhatsThis = 123, Quit = 20,
  RequestSoftwareInputPanel = 199, Resize = 14, Shortcut = 117, ShortcutOverride = 51,
  Show = 17, ShowToParent = 26, ShowWindowRequest = 73, SockAct = 50,
  Speech = 42, StateMachineSignal = 192, StateMachineWrapped = 193, StatusTip = 112,
  Style = 91, StyleChange = 100, TabletEnterProximity = 171, TabletLeaveProximity = 172,
  TabletMove = 87, TabletPress = 92, TabletRelease = 93, ThreadChange = 22,
  Timer = 1, ToolBarChange = 120, ToolTip = 110, ToolTipChange = 184,
  TouchBegin = 194, TouchEnd = 196, TouchUpdate = 195, UngrabKeyboard = 189,
  UngrabMouse = 187, UpdateLater = 78, UpdateRequest = 77, UpdateSoftKeys = 201,
  User = 1000, WhatsThis = 111, WhatsThisClicked = 118, Wheel = 31,
  WinEventAct = 132, WinIdChange = 203, WindowActivate = 24, WindowBlocked = 103,
  WindowDeactivate = 25, WindowIconChange = 34, WindowStateChange = 105, WindowTitleChange = 33,
  WindowUnblocked = 104, ZOrderChange = 126, ZeroTimerEvent = 154
}
  More...
 
- Static Public Member Functions inherited from QtCore.QEvent
static int RegisterEventType (int hint=-1)
 
 
- Protected Attributes inherited from QtCore.QEvent
SmokeInvocation interceptor
 

Detailed Description

The QGraphicsSceneHelpEvent class provides events when a tooltip is requested.

When a QGraphicsView receives a QEvent of type QEvent::ToolTip, it creates a QGraphicsSceneHelpEvent, which is forwarded to the scene. You can set a tooltip on a QGraphicsItem with setToolTip(); by default QGraphicsScene displays the tooltip of the QGraphicsItem with the highest z-value (i.e, the top-most item) under the mouse position.

QGraphicsView does not forward events when "What's This" and status tip help is requested. If you need this, you can reimplement QGraphicsView::viewportEvent() and forward QStatusTipEvent events and QEvents of type QEvent::WhatsThis to the scene.

See also QEvent.

Constructor & Destructor Documentation

QtGui.QGraphicsSceneHelpEvent.QGraphicsSceneHelpEvent ( System.Type  dummy)
protected
QtGui.QGraphicsSceneHelpEvent.QGraphicsSceneHelpEvent ( QEvent.Type  type = QEvent.Type.None)

Member Function Documentation

override void QtGui.QGraphicsSceneHelpEvent.CreateProxy ( )
virtual

Reimplemented from QtGui.QGraphicsSceneEvent.

new void QtGui.QGraphicsSceneHelpEvent.Dispose ( )

Property Documentation

new QPointF QtGui.QGraphicsSceneHelpEvent.ScenePos
getset

Returns the position of the mouse cursor in scene coordinates at the moment the help event was sent.

new QPoint QtGui.QGraphicsSceneHelpEvent.ScreenPos
getset

Returns the position of the mouse cursor in screen coordinates at the moment the help event was sent.