diff options
Diffstat (limited to 'src/gui/kernel/qplatformnativeinterface_qpa.cpp')
-rw-r--r-- | src/gui/kernel/qplatformnativeinterface_qpa.cpp | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/src/gui/kernel/qplatformnativeinterface_qpa.cpp b/src/gui/kernel/qplatformnativeinterface_qpa.cpp index f9ddd1f72a..7237849011 100644 --- a/src/gui/kernel/qplatformnativeinterface_qpa.cpp +++ b/src/gui/kernel/qplatformnativeinterface_qpa.cpp @@ -1,8 +1,7 @@ /**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) +** Contact: http://www.qt-project.org/ ** ** This file is part of the QtGui module of the Qt Toolkit. ** @@ -35,6 +34,7 @@ ** ** ** +** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -106,4 +106,51 @@ void QPlatformNativeInterface::setWindowProperty(QPlatformWindow *window, const Q_UNUSED(value); } +/*! + \typedef QPlatformNativeInterface::EventFilter + \since 5.0 + + A function with the following signature that can be used as an + event filter: + + \code + bool myEventFilter(void *message, long *result); + \endcode + + \sa setEventFilter() +*/ + +/*! + \fn EventFilter QPlatformNativeInterface::setEventFilter(const QByteArray &eventType, EventFilter filter) + \since 5.0 + + Replaces the event filter function for the native interface with + \a filter and returns the pointer to the replaced event filter + function. Only the current event filter function is called. If you + want to use both filter functions, save the replaced EventFilter + in a place where you can call it from. + + The event filter function set here is called for all messages + received from the platform if they are given type \eventType. + It is \i not called for messages that are not meant for Qt objects. + + The type of event is specific to the platform plugin chosen at run-time. + + The event filter function should return \c true if the message should + be filtered, (i.e. stopped). It should return \c false to allow + processing the message to continue. + + By default, no event filter function is set. For example, this function + returns a null EventFilter the first time it is called. + + \note The filter function here receives native messages, + for example, MSG or XEvent structs. It is called by the platform plugin. +*/ +QPlatformNativeInterface::EventFilter QPlatformNativeInterface::setEventFilter(const QByteArray &eventType, QPlatformNativeInterface::EventFilter filter) +{ + Q_UNUSED(eventType); + Q_UNUSED(filter); + return 0; +} + QT_END_NAMESPACE |