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BandmapWidget.cpp
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#include <QGraphicsScene>
#include <QGraphicsTextItem>
#include <QMutableMapIterator>
#include <QMenu>
#include <QTextDocument>
#include <QScrollBar>
#include <QGraphicsSceneMouseEvent>
#include <algorithm>
#include <QWheelEvent>
#include "BandmapWidget.h"
#include "ui_BandmapWidget.h"
#include "data/Data.h"
#include "data/BandPlan.h"
#include "core/debug.h"
#include "rig/macros.h"
MODULE_IDENTIFICATION("qlog.ui.bandmapwidget");
//Maximal refresh rate for bandmap is 1s
#define BANDMAP_MAX_REFRESH_TIME 1000
//Maximal Aging interval is 20s
#define BANDMAP_AGING_CHECK_TIME 20000
//Pixel between each step in BandMap
#define PIXELSPERSTEP 10
#define WIDGET_CENTER ( height()/2 - 50 )
BandmapWidget::BandmapWidget(QWidget *parent) :
QWidget(parent),
ui(new Ui::BandmapWidget),
rxMark(nullptr),
txMark(nullptr),
keepRXCenter(true),
pendingSpots(0),
lastStationUpdate(0),
bandmapAnimation(true)
{
FCT_IDENTIFICATION;
ui->setupUi(this);
double newContactFreq = settings.value("newcontact/frequency", 3.5).toDouble();
double ritFreq = newContactFreq + RigProfilesManager::instance()->getCurProfile1().ritOffset;
double xitFreq = newContactFreq + RigProfilesManager::instance()->getCurProfile1().xitOffset;
const QString &mode = settings.value("newcontact/mode", "CW").toString();
const QString &submode = settings.value("newcontact/submode").toString();
keepRXCenter = settings.value("bandmap/centerrx", true).toBool();
setBand(BandPlan::freq2Band(ritFreq), false);
bandmapScene = new GraphicsScene(this);
bandmapScene->setFocusOnTouch(false);
connect(bandmapScene, &GraphicsScene::spotClicked,
this, &BandmapWidget::spotClicked);
connect(ui->scrollArea->verticalScrollBar(), &QScrollBar::rangeChanged,
this, &BandmapWidget::focusZoomFreq);
ui->graphicsView->setScene(bandmapScene);
ui->graphicsView->installEventFilter(this);
//ui->scrollArea->verticalScrollBar()->setSingleStep(5);
ui->clearSpotOlderSpin->setValue(settings.value("bandmap/spot_aging", 0).toInt());
update_timer = new QTimer;
connect(update_timer, &QTimer::timeout, this, &BandmapWidget::updateStationTimer);
update_timer->start(BANDMAP_MAX_REFRESH_TIME);
updateMode(VFO1, QString(), mode, submode, 0);
updateTunedFrequency(VFO1, newContactFreq, ritFreq, xitFreq);
}
void BandmapWidget::update()
{
FCT_IDENTIFICATION;
/****************
* Restart Time *
****************/
update_timer->setInterval(BANDMAP_MAX_REFRESH_TIME);
/*************
* Clear All *
*************/
clearAllCallsignFromScene();
clearFreqMark(&rxMark);
clearFreqMark(&txMark);
bandmapScene->clear();
// do not show bandmap for submm bands
if ( rx_freq > 250000.0 || currentBand.start >= 300000.0 )
{
return;
}
/*******************
* Determine Scale *
*******************/
double step;
int digits;
determineStepDigits(step, digits);
int steps = static_cast<int>(round((currentBand.end - currentBand.start) / step));
ui->graphicsView->setFixedSize(330, steps * PIXELSPERSTEP + 30);
/****************/
/* Draw bandmap */
/****************/
for ( int i = 0; i <= steps; i++ )
{
double plottedFreq = currentBand.start + step * i;
// Add colored square
if ( !currBandMode.isEmpty()
&& i < steps
&& currBandMode == BandPlan::freq2BandModeGroupString(plottedFreq) )
bandmapScene->addRect(0, i * PIXELSPERSTEP, 10, 10, QPen(Qt::NoPen), QBrush(QColor(102, 153, 255, 100)));
bandmapScene->addLine(0,
i * PIXELSPERSTEP,
(i % 5 == 0) ? 15 : 10,
i * PIXELSPERSTEP,
QPen(QColor(192,192,192)));
if (i % 5 == 0)
{
QGraphicsTextItem* text = bandmapScene->addText(QString::number(plottedFreq, 'f', digits));
text->setPos(- (text->boundingRect().width()) - 10,
i * PIXELSPERSTEP - (text->boundingRect().height() / 2));
}
}
const QString &endFreqDigits= QString::number(currentBand.end + step*steps, 'f', digits);
bandmapScene->setSceneRect(160 - (endFreqDigits.size() * PIXELSPERSTEP),
0,
0,
steps * PIXELSPERSTEP + 20);
/************************/
/* Draw TX and RX Marks */
/************************/
drawTXRXMarks(step);
/*****************
* Draw Stations *
*****************/
updateStations();
}
void BandmapWidget::spotAging()
{
FCT_IDENTIFICATION;
int clear_interval_sec = ui->clearSpotOlderSpin->value() * 60;
qCDebug(function_parameters)<<clear_interval_sec;
if ( clear_interval_sec <= 0 ) return;
QMutableMapIterator<double, DxSpot> spotIterator(spots);
while ( spotIterator.hasNext() )
{
spotIterator.next();
//clear spots automatically
if ( spotIterator.value().dateTime.addSecs(clear_interval_sec) <= QDateTime::currentDateTimeUtc() )
{
spotIterator.remove();
}
}
}
void BandmapWidget::updateStations()
{
FCT_IDENTIFICATION;
double step;
int digits;
double min_y = 0;
/****************
* Restart Time *
****************/
update_timer->setInterval(BANDMAP_MAX_REFRESH_TIME);
clearAllCallsignFromScene();
spotAging();
// do not show bandmap for submm bands
if ( rx_freq > 250000.0 || currentBand.start >= 300000.0 )
{
return;
}
determineStepDigits(step, digits);
QMap<double, DxSpot>::iterator lower = spots.lowerBound(currentBand.start);
QMap<double, DxSpot>::iterator upper = spots.upperBound(currentBand.end);
while ( lower != upper )
{
double freq_y = ((lower.key() - currentBand.start) / step) * PIXELSPERSTEP;
double text_y = std::max(min_y + 5, freq_y);
/*************************
* Draw Line to Callsign *
*************************/
lineItemList.append(bandmapScene->addLine(17,
freq_y,
40,
text_y,
QPen(QColor(192,192,192))));
const QString &callsignTmp = lower.value().callsign;
const QString &timeTmp = locale.toString(lower.value().dateTime, locale.formatTimeShort());
QGraphicsTextItem* text = bandmapScene->addText(callsignTmp + " @ " + timeTmp);
text->document()->setDocumentMargin(0);
text->setPos(40, text_y - (text->boundingRect().height() / 2));
text->setFlags(QGraphicsItem::ItemIsFocusable |
QGraphicsItem::ItemIsSelectable |
text->flags());
text->setProperty("freq", lower.key());
text->setProperty("bandmode", static_cast<int>(lower.value().bandPlanMode));
QString unit;
unsigned char decP;
double spotFreq = Data::MHz2UserFriendlyFreq(lower.key(), unit, decP);
text->setToolTip(QString("<b>%1</b> de %2<br/>%3 %4; %5<br/>%6").arg(callsignTmp,
lower.value().spotter,
QString::number(spotFreq, 'f', decP),
unit,
lower.value().modeGroupString,
lower.value().comment));
min_y = text_y + text->boundingRect().height() / 2;
text->setDefaultTextColor(Data::statusToColor(lower.value().status,
lower.value().dupeCount,
qApp->palette().color(QPalette::Text)));
textItemList.append(text);
++lower;
}
pendingSpots = 0;
lastStationUpdate = QDateTime::currentMSecsSinceEpoch();
}
void BandmapWidget::determineStepDigits(double &step, int &digits) const
{
FCT_IDENTIFICATION;
switch (zoom) {
case ZOOM_100HZ: step = 0.0001; digits = 4; break;
case ZOOM_250HZ: step = 0.00025; digits = 4; break;
case ZOOM_500HZ: step = 0.0005; digits = 4; break;
case ZOOM_1KHZ: step = 0.001; digits = 3; break;
case ZOOM_2K5HZ: step = 0.0025; digits = 3; break;
case ZOOM_5KHZ: step = 0.005; digits = 3; break;
case ZOOM_10KHZ: step = 0.01; digits = 2; break;
}
/* bands below are too wide for BandMap, therefore it is needed to short them */
if ( currentBand.start >= 28.0 && currentBand.start < 420.0 )
{
step = step * 10;
}
if ( ( currentBand.start >= 420.0 && currentBand.start < 2300.0 )
|| currentBand.start == 119980 )
{
step = step * 100;
}
else if ( currentBand.start >= 2300.0 && currentBand.start < 75500.0 )
{
step = step * 1000;
}
else if (currentBand.start == 75500.0 || currentBand.start >= 142000.0)
{
step = step * 10000;
}
}
void BandmapWidget::clearAllCallsignFromScene()
{
FCT_IDENTIFICATION;
QMutableListIterator<QGraphicsLineItem*> lineIterator(lineItemList);
while ( lineIterator.hasNext() )
{
lineIterator.next();
bandmapScene->removeItem(lineIterator.value());
delete lineIterator.value();
}
lineItemList.clear();
QMutableListIterator<QGraphicsTextItem*> textIterator(textItemList);
while ( textIterator.hasNext() )
{
textIterator.next();
bandmapScene->removeItem(textIterator.value());
delete textIterator.value();
}
textItemList.clear();
}
void BandmapWidget::clearFreqMark(QGraphicsPolygonItem **currentPolygon)
{
FCT_IDENTIFICATION;
if ( *currentPolygon != nullptr )
{
bandmapScene->removeItem(*currentPolygon);
delete *currentPolygon;
*currentPolygon = nullptr;
}
}
void BandmapWidget::drawFreqMark(const double freq,
const double step,
const QColor &color,
QGraphicsPolygonItem **currentPolygon)
{
FCT_IDENTIFICATION;
qCDebug(function_parameters) << freq << step << color;
clearFreqMark(currentPolygon);
/* do not show the freq mark if it is outside the bandmap */
if ( freq < currentBand.start || freq > currentBand.end )
{
return;
}
int Yposition = Freq2ScenePos(freq).y();
QPolygonF poly;
poly << QPointF(-1, Yposition)
<< QPointF(-7, Yposition - 7)
<< QPointF(-7, Yposition + 7);
*currentPolygon = bandmapScene->addPolygon(poly,
QPen(Qt::NoPen),
QBrush(color, Qt::SolidPattern));
}
void BandmapWidget::drawTXRXMarks(double step)
{
FCT_IDENTIFICATION;
// do not show bandmap for submm bands
if ( rx_freq > 250000.0 || currentBand.start >= 300000.0 )
{
return;
}
/**************************/
/* Draw RX frequency mark */
/**************************/
drawFreqMark(rx_freq, step, QColor(30, 180, 30), &rxMark);
/**************************/
/* Draw TX frequency mark */
/**************************/
if ( tx_freq >= currentBand.start
&& tx_freq <= currentBand.end
&& tx_freq != rx_freq )
{
drawFreqMark(tx_freq, step, QColor(255, 0, 0), &txMark);
}
else
{
clearFreqMark(&txMark);
}
}
void BandmapWidget::removeDuplicates(DxSpot &spot)
{
FCT_IDENTIFICATION;
QMap<double, DxSpot>::iterator lower = spots.lowerBound(spot.freq - 0.005);
QMap<double, DxSpot>::iterator upper = spots.upperBound(spot.freq + 0.005);
while ( lower != upper )
{
if ( lower.value().callsign.compare(spot.callsign, Qt::CaseInsensitive) == 0 )
{
lower = spots.erase(lower);
}
else
{
++lower;
}
}
}
void BandmapWidget::addSpot(DxSpot spot)
{
FCT_IDENTIFICATION;
qCDebug(function_parameters) << spot.freq << spot.callsign;
this->removeDuplicates(spot);
spots.insert(spot.freq, spot);
if ( spot.band == currentBand.name )
{
qint64 currTime = QDateTime::currentMSecsSinceEpoch();
/* if the spots are received slowly, this will guarantee
* that Spots will be displayed as soon as they are received.
* QLog does not have to wait for the timer to tick to update the stations.
*/
if ( currTime - BANDMAP_MAX_REFRESH_TIME >= lastStationUpdate )
{
updateStations();
}
else
{
/* If the spot are received quickly then store them and wait for QTimer tick */
pendingSpots++;
}
}
}
void BandmapWidget::updateStationTimer()
{
FCT_IDENTIFICATION;
/* This function handle QTime tick to update Stations */
qint64 currTime = QDateTime::currentMSecsSinceEpoch();
/* If there is (are) station(s) or Time to Aging occured then update the bandmap */
if ( pendingSpots > 0
|| currTime - BANDMAP_AGING_CHECK_TIME >= lastStationUpdate )
{
updateStations();
}
}
DxSpot BandmapWidget::nearestSpot(const double freq) const
{
FCT_IDENTIFICATION;
QMap<double, DxSpot>::const_iterator it = spots.constFind(freq);
if( it == spots.cend() )
{
QMap<double, DxSpot>::const_iterator lower = spots.lowerBound(freq - Hz2MHz(1000));
QMap<double, DxSpot>::const_iterator upper = spots.upperBound(freq + Hz2MHz(1000));
it = std::min_element( lower, upper,
[freq](const DxSpot &p1,
const DxSpot &p2)
{
return
qAbs(p1.freq - freq) <
qAbs(p2.freq - freq);
});
if ( it != upper )
{
/* FOUND */
return it.value();
}
else
{
/* Not found */
return DxSpot();
}
}
/* Exact Match */
return it.value();
}
void BandmapWidget::updateNearestSpot(bool force)
{
FCT_IDENTIFICATION;
DxSpot currNearestSpot;
currNearestSpot = nearestSpot(rx_freq);
if ( force || currNearestSpot.callsign != lastNearestSpot.callsign )
{
emit nearestSpotFound(currNearestSpot);
lastNearestSpot = currNearestSpot;
}
}
void BandmapWidget::setBandmapAnimation(bool isEnable)
{
FCT_IDENTIFICATION;
qCDebug(function_parameters) << isEnable;
bandmapAnimation = isEnable;
}
void BandmapWidget::setBand(const Band &newBand, bool savePrevBandZoom)
{
FCT_IDENTIFICATION;
if ( savePrevBandZoom )
{
saveCurrentZoom();
saveCurrentScrollFreq();
}
currentBand = newBand;
zoom = getSavedZoom(newBand);
zoomFreq = getSavedScrollFreq(newBand);
zoomWidgetYOffset = WIDGET_CENTER;
}
void BandmapWidget::saveCurrentZoom()
{
FCT_IDENTIFICATION;
settings.setValue("bandmap/zoom/" + currentBand.name, zoom);
}
BandmapWidget::BandmapZoom BandmapWidget::getSavedZoom(Band band)
{
FCT_IDENTIFICATION;
QVariant zoomVariant = settings.value("bandmap/zoom/" + band.name, ZOOM_10KHZ);
return zoomVariant.value<BandmapWidget::BandmapZoom>();
}
void BandmapWidget::saveCurrentScrollFreq()
{
FCT_IDENTIFICATION;
settings.setValue("bandmap/scroll/" + currentBand.name, visibleCentreFreq());
}
double BandmapWidget::getSavedScrollFreq(Band band)
{
FCT_IDENTIFICATION;
return settings.value("bandmap/scroll/" + band.name, 0.0).toDouble();
}
double BandmapWidget::visibleCentreFreq() const
{
FCT_IDENTIFICATION;
QPoint point(0,ui->scrollArea->verticalScrollBar()->value() + WIDGET_CENTER);
double ret = ScenePos2Freq(ui->graphicsView->mapToScene(point));
qCDebug(runtime) << "Centre freq" << ret;
return ret;
}
void BandmapWidget::spotAgingChanged(int)
{
FCT_IDENTIFICATION;
settings.setValue("bandmap/spot_aging", ui->clearSpotOlderSpin->value());
}
void BandmapWidget::clearSpots()
{
FCT_IDENTIFICATION;
spots.clear();
updateStations();
updateNearestSpot();
}
void BandmapWidget::zoomIn()
{
FCT_IDENTIFICATION;
if ( zoomFreq == 0.0 )
{
zoomWidgetYOffset = WIDGET_CENTER;
zoomFreq = ( keepRXCenter ) ? rx_freq
: visibleCentreFreq();
}
if ( zoom > ZOOM_100HZ )
{
zoom = static_cast<BandmapZoom>(static_cast<int>(zoom) - 1);
}
setBandmapAnimation(false);
update();
scrollToFreq(zoomFreq);
setBandmapAnimation(true);
}
void BandmapWidget::zoomOut()
{
FCT_IDENTIFICATION;
if ( zoomFreq == 0.0 )
{
zoomWidgetYOffset = WIDGET_CENTER;
zoomFreq = ( keepRXCenter ) ? rx_freq
: visibleCentreFreq();
}
if ( zoom < ZOOM_10KHZ )
{
zoom = static_cast<BandmapZoom>(static_cast<int>(zoom) + 1);
}
setBandmapAnimation(false);
update();
scrollToFreq(zoomFreq);
setBandmapAnimation(true);
}
void BandmapWidget::updateSpotsStatusWhenQSOAdded(const QSqlRecord &record)
{
FCT_IDENTIFICATION;
qint32 dxcc = record.value("dxcc").toInt();
const QString &band = record.value("band").toString();
const QString &dxccModeGroup = BandPlan::modeToDXCCModeGroup(record.value("mode").toString());
const QString &callsign = record.value("callsign").toString();
for ( auto it = spots.begin(); it != spots.end(); ++it )
{
DxSpot &spot = it.value();
spot.status = Data::dxccNewStatusWhenQSOAdded(spot.status,
spot.dxcc.dxcc,
spot.band,
( ( spot.modeGroupString == BandPlan::MODE_GROUP_STRING_FT8 )
? BandPlan::MODE_GROUP_STRING_DIGITAL
: dxccModeGroup ),
dxcc,
band,
dxccModeGroup);
if ( spot.callsign == callsign )
spot.dupeCount = Data::dupeNewCountWhenQSOAdded(spot.dupeCount,
spot.band,
spot.modeGroupString,
band,
dxccModeGroup);
}
updateStations();
if ( callsign == lastNearestSpot.callsign )
updateNearestSpot(true);
}
void BandmapWidget::updateSpotsStatusWhenQSOUpdated(const QSqlRecord &)
{
FCT_IDENTIFICATION;
// at this point, we don't know if callsign has been changed or other field.
// TODO: DXCC status
// TODO: Dupe status update
// for ( auto it = spots.begin(); it != spots.end(); ++it )
// {
// DxSpot &spot = it.value();
// spot.dupeCount = Data::countDupe(spot.callsign, spot.band, spot.modeGroupString);
// }
}
void BandmapWidget::updateSpotsDupeWhenQSODeleted(const QSqlRecord &record)
{
FCT_IDENTIFICATION;
// Pay attention: this method is called before the QSO is deleted from contacts
const QString &callsign = record.value("callsign").toString();
const QString &band = record.value("band").toString();
const QString &dxccModeGroup = BandPlan::modeToDXCCModeGroup(record.value("mode").toString());
for ( auto it = spots.begin(); it != spots.end(); ++it )
{
DxSpot &spot = it.value();
if ( spot.dupeCount && spot.callsign == callsign )
spot.dupeCount = Data::dupeNewCountWhenQSODelected(spot.dupeCount,
spot.band,
spot.modeGroupString,
band,
dxccModeGroup);
}
// do not call updateStation. it will be updated at the end of delete procedure
// by updateSpotsDxccStatusWhenQSODeleted;
}
void BandmapWidget::updateSpotsDxccStatusWhenQSODeleted(const QSet<uint> &entities)
{
FCT_IDENTIFICATION;
// this method is called at the end of QSO Delete (after commit).
if ( entities.isEmpty() )
return;
for ( auto it = spots.begin(); it != spots.end(); ++it )
{
DxSpot &spot = it.value();
if ( !entities.contains(spot.dxcc.dxcc) )
continue;
spot.status = Data::instance()->dxccStatus(spot.dxcc.dxcc, spot.band, spot.modeGroupString);
}
updateStations();
updateNearestSpot(true);
}
void BandmapWidget::recalculateDxccStatus()
{
FCT_IDENTIFICATION;
for ( auto it = spots.begin(); it != spots.end(); ++it )
{
DxSpot &spot = it.value();
spot.status = Data::instance()->dxccStatus(spot.dxcc.dxcc, spot.band, spot.modeGroupString);
}
updateStations();
updateNearestSpot(true);
}
void BandmapWidget::resetDupe()
{
FCT_IDENTIFICATION;
for ( auto it = spots.begin(); it != spots.end(); ++it )
it.value().dupeCount = 0;
updateStations();
}
void BandmapWidget::recalculateDupe()
{
FCT_IDENTIFICATION;
for ( auto it = spots.begin(); it != spots.end(); ++it )
{
DxSpot &spot = it.value();
spot.dupeCount = Data::countDupe(spot.callsign,
spot.band,
spot.modeGroupString);
}
updateStations();
}
void BandmapWidget::focusZoomFreq(int, int)
{
FCT_IDENTIFICATION;
if ( zoomFreq > 0.0 )
{
int newScrollValue = qMin(qMax(Freq2ScenePos(zoomFreq).y() - ( zoomWidgetYOffset ), 0.0),
(double)ui->scrollArea->verticalScrollBar()->maximum());
ui->scrollArea->verticalScrollBar()->setValue(newScrollValue);
zoomFreq = 0.0;
}
}
void BandmapWidget::spotClicked(const QString &call,
double freq,
BandPlan::BandPlanMode mode)
{
FCT_IDENTIFICATION;
qCDebug(function_parameters) << call << freq << mode;
qCDebug(runtime) << "Last Tuned DX" << lastTunedDX.callsign << lastTunedDX.freq;
/* Do not emit the Spot two times - double click*/
if ( lastTunedDX.callsign == call
&& lastTunedDX.freq == freq )
return;
emit tuneDx(spots.value(freq));
lastTunedDX.callsign = call;
lastTunedDX.freq = freq;
// allow to re-click the spot.
// I don't want to use double click here because users expect to single-clicking on the map and double click
// can emit tuneDX two times what causes an issue in Callbooks section and other parts of QLog.
// However, to be able to click on the callsign again, it needs to be disabled for a short while.
// That's why there is a delay.
QTimer::singleShot(3000, this, [this]() {
lastTunedDX.callsign.clear();
lastTunedDX.freq = 0.0;
});
}
void BandmapWidget::showContextMenu(const QPoint &point)
{
FCT_IDENTIFICATION;
if ( ui->graphicsView->itemAt(point) )
{
return;
}
QMenu contextMenu(this);
QMenu bandsMenu(tr("Show Band"), &contextMenu);
for ( const Band &enabledBand : BandPlan::bandsList(false, true))
{
QAction* action = new QAction(enabledBand.name);
connect(action, &QAction::triggered, this, [this, enabledBand]()
{
setBand(enabledBand);
update();
});
bandsMenu.addAction(action);
}
QAction* centerRXAction = new QAction(tr("Center RX"), &contextMenu);
centerRXAction->setCheckable(true);
centerRXAction->setChecked(keepRXCenter);
connect(centerRXAction, &QAction::triggered, this, &BandmapWidget::centerRXActionChecked);
contextMenu.addMenu(&bandsMenu);
contextMenu.addAction(centerRXAction);
contextMenu.exec(ui->graphicsView->mapToGlobal(point));
}
void BandmapWidget::updateTunedFrequency(VFOID, double vfoFreq, double ritFreq, double xitFreq)
{
FCT_IDENTIFICATION;
qCDebug(function_parameters) << vfoFreq << ritFreq << xitFreq;
/* always show the bandmap for RIT Freq */
rx_freq = ritFreq;
tx_freq = xitFreq;
if ( rx_freq < currentBand.start || rx_freq > currentBand.end )
{
/* Operator switched a band */
const Band& newBand = BandPlan::freq2Band(rx_freq);
if ( !newBand.name.isEmpty() )
{
setBand(newBand);
}
/**********************/
/* Redraw all bandmap */
/**********************/
update();
}
else
{
/* Operator does not change a band */
double step;
int digits;
determineStepDigits(step, digits);
/************************/
/* Draw TX and RX Marks */
/************************/
drawTXRXMarks(step);
scrollToFreq(rx_freq);
}
updateNearestSpot();
}
void BandmapWidget::updateMode(VFOID, const QString &, const QString &mode,
const QString &subMode, qint32 width)
{
FCT_IDENTIFICATION;
qCDebug(function_parameters) << mode << subMode << width;
const QString &newMode = BandPlan::modeToModeGroup(mode);
if ( currBandMode != newMode )
{
currBandMode = newMode;
update();
}
}
BandmapWidget::~BandmapWidget()
{
FCT_IDENTIFICATION;
if ( update_timer )
{
update_timer->stop();
update_timer->deleteLater();
}
saveCurrentZoom();
delete ui;
}
void BandmapWidget::resizeEvent(QResizeEvent *event)
{
FCT_IDENTIFICATION;
QWidget::resizeEvent(event);
scrollToFreq(rx_freq);
}
bool BandmapWidget::eventFilter(QObject *, QEvent *event)
{
FCT_IDENTIFICATION;
if (event->type() == QEvent::Wheel)
{
QWheelEvent *wheelEvent = dynamic_cast<QWheelEvent*>(event);
if ( wheelEvent )
{
if ( QApplication::keyboardModifiers() == Qt::ControlModifier )
{
/*
* CRTL + Mouse Wheel
*
* Zoom In/Out
*/
QPoint zoomViewPoint = ui->graphicsView->mapFromGlobal(QCursor::pos());
zoomWidgetYOffset = zoomViewPoint.y() - ui->scrollArea->verticalScrollBar()->value();
zoomFreq = ScenePos2Freq(ui->graphicsView->mapToScene(zoomViewPoint));
QPoint wheelDelta(wheelEvent->angleDelta());
if ( wheelDelta.y() > 0 )
{
zoomIn();
}
if ( wheelDelta.y() < 0 )
{
zoomOut();
}
/*
* DO NOT focus zoomed Freq here because the scrollbar
* is not resized yet and it is not possible to compute
* a correct value for scrollbar value (scrollbar min/max
* is recomputed later and it emits RangeChanged signal).
* SO focus zoomed Freq in SLOT for RangeChanged signal.
*/
event->accept();
return true;
}
}
}
return false;
}
void BandmapWidget::scrollToFreq(double freq)
{
FCT_IDENTIFICATION;
qreal freqScenePos = Freq2ScenePos(freq).y();
QPropertyAnimation *anim = new QPropertyAnimation(ui->scrollArea->verticalScrollBar(), "value", this);
anim->setDuration((bandmapAnimation) ? 300 : 0);
anim->setStartValue(ui->scrollArea->verticalScrollBar()->value());
if ( keepRXCenter )
{
/* If RX freq should be center then center it */
anim->setEndValue(freqScenePos - (WIDGET_CENTER));
}
else
{
/* If RX freq is out-of-scene then keep the RX mark visible - this is not centering !!! */
int sceneSize = height() - 60;
int sliderSceneMin = ui->scrollArea->verticalScrollBar()->value();
int sliderSceneMax = ui->scrollArea->verticalScrollBar()->value() + sceneSize;
if ( freqScenePos < sliderSceneMin )
{
anim->setEndValue(sliderSceneMin - (sliderSceneMin - freqScenePos) - 40);
}
else if ( freqScenePos > sliderSceneMax - 20 ) //asymetric becuase possible slider below
{
anim->setEndValue(sliderSceneMin + (freqScenePos - sliderSceneMax) + 60);
}
else
{
anim->setEndValue(ui->scrollArea->verticalScrollBar()->value());
}
}
anim->start(QAbstractAnimation::DeleteWhenStopped);
}