Qt 5.6 | Qt GUI | C++ Classes | QHelpEvent

Qt 5.6.2 Reference Documentation

# 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

- List of all members, including inherited members

## 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

## 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().