1
0
mirror of https://github.com/f4exb/sdrangel.git synced 2024-11-21 23:55:13 -05:00
sdrangel/sdrgui/gui/wrappingspinbox.cpp
2024-09-22 14:53:57 +01:00

54 lines
2.2 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2024 Jon Beniston, M7RCE <jon@beniston.com> //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include "wrappingspinbox.h"
#include <QWheelEvent>
WrappingSpinBox::WrappingSpinBox(QWidget *parent) :
QSpinBox(parent),
m_wheelEvent(false),
m_wheelUp(false)
{
setWrapping(true);
}
void WrappingSpinBox::stepBy(int steps)
{
int v = value();
QSpinBox::stepBy(steps);
if (wrapping())
{
if (v + steps > maximum()) {
emit wrapUp();
}
if (v + steps < minimum()) {
emit wrapDown();
}
}
}
// QAbstractSlider just generates SliderMove actions for wheel events, so we can't distinguish between
// wheel and dial being clicked to a new position - so we set a flag here, before passing up the event
void WrappingSpinBox::wheelEvent(QWheelEvent *e)
{
m_wheelEvent = true;
m_wheelUp = e->angleDelta().y() > 0;
QSpinBox::wheelEvent(e);
m_wheelEvent = false;
}