63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
/************************************************************************
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**
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** @file vmousewheelwidgetadjustmentguard.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 31 1, 2024
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**
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** @brief
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** @copyright
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** This source code is part of the Valentina project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2024 Valentina project
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** <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#include "vmousewheelwidgetadjustmentguard.h"
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#include <QEvent>
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#include <QWidget>
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//---------------------------------------------------------------------------------------------------------------------
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VMouseWheelWidgetAdjustmentGuard::VMouseWheelWidgetAdjustmentGuard(QObject *parent)
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: QObject{parent}
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{
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VMouseWheelWidgetAdjustmentGuard::InstallEventFilter(QWidget *w)
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{
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if (w == nullptr)
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{
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return;
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}
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w->setFocusPolicy(Qt::StrongFocus);
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w->installEventFilter(new VMouseWheelWidgetAdjustmentGuard(w));
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VMouseWheelWidgetAdjustmentGuard::eventFilter(QObject *o, QEvent *e) -> bool
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{
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const QWidget *widget = qobject_cast<QWidget *>(o);
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if (e->type() == QEvent::Wheel && (widget != nullptr) && !widget->hasFocus())
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{
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e->ignore();
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return true;
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}
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return QObject::eventFilter(o, e);
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}
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