Qt Documentation

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QHelpEvent Class

The QHelpEvent class provides an event that is used to request helpful information about a particular point in a widget. More...

Header: #include <QHelpEvent>
qmake: QT += gui
Inherits: QEvent.

Public Functions

QHelpEvent(Type type, const QPoint & pos, const QPoint & globalPos)
const QPoint & globalPos() const
int globalX() const
int globalY() const
const QPoint & pos() const
int x() const
int y() const
  • 6 public functions inherited from QEvent

Additional Inherited Members

  • 1 property inherited from QEvent
  • 1 static public member inherited from QEvent

Detailed Description

The QHelpEvent class provides an event that is used to request helpful information about a particular point in a widget.

This event can be intercepted in applications to provide tooltips or "What's This?" help for custom widgets. The type() can be either QEvent::ToolTip or QEvent::WhatsThis.

See also QToolTip, QWhatsThis, QStatusTipEvent, and QWhatsThisClickedEvent.

Member Function Documentation

QHelpEvent::​QHelpEvent(Type type, const QPoint & pos, const QPoint & globalPos)

Constructs a help event with the given type corresponding to the widget-relative position specified by pos and the global position specified by globalPos.

type must be either QEvent::ToolTip or QEvent::WhatsThis.

See also pos() and globalPos().

const QPoint & QHelpEvent::​globalPos() const

Returns the mouse cursor position when the event was generated in global coordinates.

See also pos(), globalX(), and globalY().

int QHelpEvent::​globalX() const

Same as globalPos().x().

See also x(), globalY(), and globalPos().

int QHelpEvent::​globalY() const

Same as globalPos().y().

See also y(), globalX(), and globalPos().

const QPoint & QHelpEvent::​pos() const

Returns the mouse cursor position when the event was generated, relative to the widget to which the event is dispatched.

See also globalPos(), x(), and y().

int QHelpEvent::​x() const

Same as pos().x().

See also y(), pos(), and globalPos().

int QHelpEvent::​y() const

Same as pos().y().

See also x(), pos(), and globalPos().

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