Files
pilotclient/src/blackgui/components/scalescreenfactor.cpp
2018-05-26 21:19:01 +02:00

78 lines
2.6 KiB
C++

/* Copyright (C) 2018
* swift project Community / Contributors
*
* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
* including this file, may be copied, modified, propagated, or distributed except according to the terms
* contained in the LICENSE file.
*/
#include "scalescreenfactor.h"
#include "ui_scalescreenfactor.h"
#include <QIntValidator>
namespace BlackGui
{
namespace Components
{
CScaleScreenFactor::CScaleScreenFactor(QWidget *parent) :
QFrame(parent),
ui(new Ui::CScaleScreenFactor)
{
ui->setupUi(this);
this->setMinMax(50, 150);
connect(ui->hs_Factor, &QSlider::valueChanged, this, &CScaleScreenFactor::onSliderChanged);
connect(ui->le_Factor, &QLineEdit::editingFinished, this, &CScaleScreenFactor::onEditFinished);
}
CScaleScreenFactor::~CScaleScreenFactor()
{ }
void CScaleScreenFactor::setMinMax(int min, int max)
{
ui->hs_Factor->setMinimum(min);
ui->hs_Factor->setMaximum(max);
ui->le_Factor->setValidator(new QIntValidator(min, max, ui->le_Factor));
static const QString info("%1-%2");
ui->le_Factor->setToolTip(info.arg(min).arg(max));
ui->le_Factor->setPlaceholderText(info.arg(min).arg(max));
ui->hs_Factor->setToolTip(info.arg(min, max));
const int v = (min + max) / 2;
ui->hs_Factor->setValue(v);
ui->le_Factor->setText(QString::number(v));
}
qreal CScaleScreenFactor::getScaleFactor() const
{
return 0.01 * ui->hs_Factor->value();
}
QString CScaleScreenFactor::getScaleFactorAsString() const
{
const QString sf = QString::number(this->getScaleFactor(), 'f', 2);
return sf;
}
void CScaleScreenFactor::onSliderChanged(int value)
{
const QString v = QString::number(value);
if (ui->le_Factor->text() == v) { return; } // avoid signal roundtrips
ui->le_Factor->setText(v);
}
void CScaleScreenFactor::onEditFinished()
{
const QString v = ui->le_Factor->text();
if (v.isEmpty()) { return; }
bool ok;
const int value = v.toInt(&ok);
if (!ok) { return; }
if (ui->hs_Factor->value() == value) { return; } // avoid signal roundtrips
ui->hs_Factor->setValue(value);
}
} // ns
} // ns