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59 lines
1.2 KiB
59 lines
1.2 KiB
/* |
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SPDX-FileCopyrightText: 2014-2015 Eike Hein <hein@kde.org> |
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SPDX-License-Identifier: GPL-2.0-or-later |
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*/ |
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#include "wheelinterceptor.h" |
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#include <QCoreApplication> |
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WheelInterceptor::WheelInterceptor(QQuickItem *parent) |
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: QQuickItem(parent) |
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{ |
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} |
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WheelInterceptor::~WheelInterceptor() |
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{ |
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} |
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QQuickItem *WheelInterceptor::destination() const |
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{ |
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return m_destination; |
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} |
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void WheelInterceptor::setDestination(QQuickItem *destination) |
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{ |
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if (m_destination != destination) { |
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m_destination = destination; |
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emit destinationChanged(); |
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} |
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} |
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void WheelInterceptor::wheelEvent(QWheelEvent *event) |
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{ |
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if (m_destination) { |
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QCoreApplication::sendEvent(m_destination, event); |
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} |
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emit wheelMoved(event->angleDelta()); |
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} |
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QQuickItem *WheelInterceptor::findWheelArea(QQuickItem *parent) const |
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{ |
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if (!parent) { |
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return nullptr; |
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} |
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foreach (QQuickItem *child, parent->childItems()) { |
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// HACK: ScrollView adds the WheelArea below its flickableItem with |
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// z==-1. This is reasonable non-risky considering we know about |
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// everything else in there, and worst case we break the mouse wheel. |
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if (child->z() == -1) { |
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return child; |
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} |
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} |
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return nullptr; |
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}
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