QPaintEvent Class Reference

The QPaintEvent class contains event parameters for paint events. More...

#include <qevent.h>

Inherits QEvent.

List of all member functions.

Public Members

• QPaintEvent ( const QRect & paintRect ) 
• const QRect& rect () const

Detailed Description

Paint events are sent to widgets that need to update themselves, for instance when a part of a widget is exposed because an overlying widget is moved away.

The event handler QWidget::paintEvent() receives paint events.

See also: QPainter, QWidget::update() and QWidget::repaint().

Examples: qtimage/qtimage.cpp life/life.cpp grapher/grapher.cpp forever/forever.cpp desktop/desktop.cpp connect/connect.cpp trivial/trivial.cpp tooltip/tooltip.cpp drawdemo/drawdemo.cpp hello/hello.cpp picture/picture.cpp xform/xform.cpp aclock/aclock.cpp progress/progress.cpp qmag/qmag.cpp showimg/showimg.cpp biff/biff.cpp

Member Function Documentation

QPaintEvent::QPaintEvent ( const QRect & paintRect )

Constructs a paint event object with the rectangle that should be updated.

const QRect & QPaintEvent::rect () const

Returns the rectangle that should be updated.

Examples: qtimage/qtimage.cpp life/life.cpp grapher/grapher.cpp trivial/trivial.cpp progress/progress.cpp showimg/showimg.cpp

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This file is part of the Qt toolkit, copyright © 1995-98 Troll Tech, all rights reserved.

It was generated from the following files:

• qevent.h: 1998/10/05
• qdnd_x11.cpp: 1998/09/11
• qevent.cpp: 1998/09/15