qquickhoverhandler.cpp

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/****************************************************************************

** Contact: https://www.qt.io/licensing/

** This file is part of the QtQuick module of the Qt Toolkit.

** $QT_BEGIN_LICENSE:LGPL$

** Commercial License Usage

** Licensees holding valid commercial Qt licenses may use this file in

** accordance with the commercial license agreement provided with the

** Software or, alternatively, in accordance with the terms contained in

** a written agreement between you and The Qt Company. For licensing terms

** and conditions see https://www.qt.io/terms-conditions. For further

** information use the contact form at https://www.qt.io/contact-us.

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 3 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL3 included in the

** packaging of this file. Please review the following information to

** ensure the GNU Lesser General Public License version 3 requirements

** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.

** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU

** General Public License version 2.0 or (at your option) the GNU General

** Public license version 3 or any later version approved by the KDE Free

** Qt Foundation. The licenses are as published by the Free Software

** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3

** included in the packaging of this file. Please review the following

** information to ensure the GNU General Public License requirements will

** be met: https://www.gnu.org/licenses/gpl-2.0.html and

** https://www.gnu.org/licenses/gpl-3.0.html.

** $QT_END_LICENSE$

****************************************************************************/

#include "qquickhoverhandler_p.h"

QT_BEGIN_NAMESPACE

Q_LOGGING_CATEGORY(lcHoverHandler, "qt.quick.handler.hover")

never executed: return category;

/*!

\qmltype HoverHandler

\instantiates QQuickHoverHandler

\inqmlmodule QtQuick

\ingroup qtquick-handlers

\brief Handler for mouse and tablet hover

HoverHandler detects a hovering cursor. Since touchscreens don't generally

offer hover events, in practice it detects a hovering mouse or tablet stylus.

\sa MouseArea

QQuickHoverHandler::QQuickHoverHandler(QObject *parent)

: QQuickSinglePointHandler(parent)

, m_hovered(false)

{

// Rule out the touchscreen for now (can be overridden in QML in case a hover-detecting touchscreen exists)

setAcceptedDevices(static_cast<QQuickPointerDevice::DeviceType>(

static_cast<int>(QQuickPointerDevice::AllDevices) ^ static_cast<int>(QQuickPointerDevice::TouchScreen)));

}

never executed: end of block

QQuickHoverHandler::~QQuickHoverHandler()

{

QQuickItemPrivate *parItemPrivate = QQuickItemPrivate::get(parentItem());

parItemPrivate->setHasHoverInChild(false);

}

never executed: end of block

void QQuickHoverHandler::componentComplete()

{

parentItem()->setAcceptHoverEvents(true);

QQuickItemPrivate::get(parentItem())->setHasHoverInChild(true);

}

never executed: end of block

bool QQuickHoverHandler::wantsPointerEvent(QQuickPointerEvent *event)

{

QQuickEventPoint *point = event->point(0);

if (QQuickPointerDeviceHandler::wantsPointerEvent(event) && wantsEventPoint(point)) {

QQuickPointerD...erEvent(event)	Description
TRUE	never evaluated
FALSE	never evaluated

wantsEventPoint(point)	Description
TRUE	never evaluated
FALSE	never evaluated

// assume this is a mouse event, so there's only one point

setPointId(point->pointId());

return true;

never executed: return true;

}

setHovered(false);

return false;

never executed: return false;

}

void QQuickHoverHandler::handleEventPoint(QQuickEventPoint *point)

{

setHovered(true);

setPassiveGrab(point);

}

never executed: end of block

void QQuickHoverHandler::setHovered(bool hovered)

{

100

if (m_hovered != hovered) {

m_hovered != hovered	Description
TRUE	never evaluated
FALSE	never evaluated

101

qCDebug(lcHoverHandler) << objectName() << "hovered" << m_hovered << "->" << hovered;

never executed:

QMessageLogger(__FILE__, 101, __PRETTY_FUNCTION__, lcHoverHandler().categoryName()).debug() << objectName() << "hovered" << m_hovered << "->" << hovered;

qt_category_enabled	Description
TRUE	never evaluated
FALSE	never evaluated

102

m_hovered = hovered;

103

emit hoveredChanged();

104

}

never executed: end of block

105

}

never executed: end of block

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QT_END_NAMESPACE

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