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64 lines
3.0 KiB
C++
64 lines
3.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2012 maintech GmbH, Otto-Hahn-Str. 15, 97204 Hoechberg, Germany //
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// written by Christian Daniel //
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// Copyright (C) 2015-2019 Edouard Griffiths, F4EXB <f4exb06@gmail.com> //
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// Copyright (C) 2021-2023 Jon Beniston, M7RCE <jon@beniston.com> //
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// //
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// This program 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 as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program 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 V3 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 this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QTableWidget>
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#include <QHeaderView>
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#include <QGestureEvent>
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#include <QGesture>
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#include <QTapAndHoldGesture>
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#include "tabletapandhold.h"
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TableTapAndHold::TableTapAndHold(QTableWidget *table) :
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QObject(table),
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m_table(table)
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{
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m_table->installEventFilter(this);
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m_table->grabGesture(Qt::TapAndHoldGesture);
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};
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bool TableTapAndHold::eventFilter(QObject *obj, QEvent *event)
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{
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if (event->type() == QEvent::Gesture)
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{
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QGestureEvent *gestureEvent = static_cast<QGestureEvent *>(event);
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if (QTapAndHoldGesture *tapAndHoldGesture = static_cast<QTapAndHoldGesture *>(gestureEvent->gesture(Qt::TapAndHoldGesture)))
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{
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// Map from global position to item position
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QPoint point = m_table->mapFromGlobal(tapAndHoldGesture->position().toPoint());
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QHeaderView *hHeader = m_table->horizontalHeader();
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QHeaderView *vHeader = m_table->verticalHeader();
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if (hHeader) {
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point.setY(point.y() - hHeader->height());
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}
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if (vHeader) {
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point.setX(point.x() - vHeader->width());
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}
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QSize size = m_table->viewport()->size();
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if ((point.x() >= 0) && (point.x() < size.width()) && (point.y() >= 0) && (point.y() < size.height()))
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{
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emit tapAndHold(point);
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return true;
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}
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}
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}
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return QObject::eventFilter(obj, event);
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}
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