Qt Reference Documentation

QHelpEvent Class Reference

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

 #include <QHelpEvent>

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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