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woverview.cpp
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woverview.cpp
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//
// C++ Implementation: woverview
//
// Description:
//
//
// Author: Tue Haste Andersen <haste@diku.dk>, (C) 2003
//
// Copyright: See COPYING file that comes with this distribution
//
//
#include "woverview.h"
#include <QBrush>
#include <QMimeData>
#include <QMouseEvent>
#include <QPaintEvent>
#include <QPainter>
#include <QUrl>
#include <QtDebug>
#include "analyzer/analyzerprogress.h"
#include "control/controlobject.h"
#include "control/controlproxy.h"
#include "engine/engine.h"
#include "mixer/playermanager.h"
#include "moc_woverview.cpp"
#include "preferences/colorpalettesettings.h"
#include "track/track.h"
#include "util/color/color.h"
#include "util/compatibility.h"
#include "util/dnd.h"
#include "util/duration.h"
#include "util/math.h"
#include "util/painterscope.h"
#include "util/timer.h"
#include "waveform/waveform.h"
#include "waveform/waveformwidgetfactory.h"
#include "widget/controlwidgetconnection.h"
#include "wskincolor.h"
WOverview::WOverview(
const QString& group,
PlayerManager* pPlayerManager,
UserSettingsPointer pConfig,
QWidget* parent)
: WWidget(parent),
m_actualCompletion(0),
m_pixmapDone(false),
m_waveformPeak(-1.0),
m_diffGain(0),
m_devicePixelRatio(1.0),
m_group(group),
m_pConfig(pConfig),
m_endOfTrack(false),
m_bPassthroughEnabled(false),
m_pCueMenuPopup(make_parented<WCueMenuPopup>(pConfig, this)),
m_bShowCueTimes(true),
m_iPosSeconds(0),
m_bLeftClickDragging(false),
m_iPickupPos(0),
m_iPlayPos(0),
m_pHoveredMark(nullptr),
m_bTimeRulerActive(false),
m_orientation(Qt::Horizontal),
m_iLabelFontSize(10),
m_a(1.0),
m_b(0.0),
m_analyzerProgress(kAnalyzerProgressUnknown),
m_trackLoaded(false),
m_scaleFactor(1.0) {
m_endOfTrackControl = new ControlProxy(
m_group, "end_of_track", this, ControlFlag::NoAssertIfMissing);
m_endOfTrackControl->connectValueChanged(this, &WOverview::onEndOfTrackChange);
m_pRateRatioControl = new ControlProxy(
m_group, "rate_ratio", this, ControlFlag::NoAssertIfMissing);
// Needed to recalculate range durations when rate slider is moved without the deck playing
m_pRateRatioControl->connectValueChanged(
this, &WOverview::onRateRatioChange);
m_trackSampleRateControl = new ControlProxy(
m_group, "track_samplerate", this, ControlFlag::NoAssertIfMissing);
m_trackSamplesControl = new ControlProxy(m_group, "track_samples", this);
m_playpositionControl = new ControlProxy(
m_group, "playposition", this, ControlFlag::NoAssertIfMissing);
m_pPassthroughControl =
new ControlProxy(m_group, "passthrough", this, ControlFlag::NoAssertIfMissing);
m_pPassthroughControl->connectValueChanged(this, &WOverview::onPassthroughChange);
m_bPassthroughEnabled = static_cast<bool>(m_pPassthroughControl->get());
setAcceptDrops(true);
setMouseTracking(true);
connect(pPlayerManager, &PlayerManager::trackAnalyzerProgress,
this, &WOverview::onTrackAnalyzerProgress);
connect(m_pCueMenuPopup.get(), &WCueMenuPopup::aboutToHide, this, &WOverview::slotCueMenuPopupAboutToHide);
m_pPassthroughLabel = new QLabel(this);
m_pPassthroughLabel->setObjectName("PassthroughLabel");
m_pPassthroughLabel->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
// Shown on the overview waveform when vinyl passthrough is enabled
m_pPassthroughLabel->setText(tr("Passthrough"));
m_pPassthroughLabel->hide();
QVBoxLayout *pPassthroughLayout = new QVBoxLayout(this);
pPassthroughLayout->setContentsMargins(0,0,0,0);
pPassthroughLayout->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
pPassthroughLayout->addWidget(m_pPassthroughLabel);
setLayout(pPassthroughLayout);
}
void WOverview::setup(const QDomNode& node, const SkinContext& context) {
m_scaleFactor = context.getScaleFactor();
m_signalColors.setup(node, context);
m_backgroundColor = m_signalColors.getBgColor();
m_axesColor = m_signalColors.getAxesColor();
m_playPosColor = m_signalColors.getPlayPosColor();
m_passthroughOverlayColor = m_signalColors.getPassthroughOverlayColor();
m_playedOverlayColor = m_signalColors.getPlayedOverlayColor();
m_lowColor = m_signalColors.getLowColor();
m_dimBrightThreshold = m_signalColors.getDimBrightThreshold();
m_labelBackgroundColor = context.selectColor(node, "LabelBackgroundColor");
if (!m_labelBackgroundColor.isValid()) {
m_labelBackgroundColor = m_backgroundColor;
m_labelBackgroundColor.setAlpha(255 / 2); // 0 == fully transparent
}
m_labelTextColor = context.selectColor(node, "LabelTextColor");
if (!m_labelTextColor.isValid()) {
m_labelTextColor = Qt::white;
}
bool okay = false;
int labelFontSize = context.selectInt(node, "LabelFontSize", &okay);
if (okay) {
m_iLabelFontSize = labelFontSize;
}
// Clear the background pixmap, if it exists.
m_backgroundPixmap = QPixmap();
m_backgroundPixmapPath = context.selectString(node, "BgPixmap");
if (!m_backgroundPixmapPath.isEmpty()) {
m_backgroundPixmap = *WPixmapStore::getPixmapNoCache(
context.makeSkinPath(m_backgroundPixmapPath),
m_scaleFactor);
}
m_endOfTrackColor = QColor(200, 25, 20);
const QString endOfTrackColorName = context.selectString(node, "EndOfTrackColor");
if (!endOfTrackColorName.isNull()) {
m_endOfTrackColor.setNamedColor(endOfTrackColorName);
m_endOfTrackColor = WSkinColor::getCorrectColor(m_endOfTrackColor);
}
// setup hotcues and cue and loop(s)
m_marks.setup(m_group, node, context, m_signalColors);
ColorPaletteSettings colorPaletteSettings(m_pConfig);
auto colorPalette = colorPaletteSettings.getHotcueColorPalette();
m_pCueMenuPopup->setColorPalette(colorPalette);
for (const auto& pMark: m_marks) {
if (pMark->isValid()) {
pMark->connectSamplePositionChanged(this,
&WOverview::onMarkChanged);
pMark->connectSampleEndPositionChanged(this,
&WOverview::onMarkChanged);
}
if (pMark->hasVisible()) {
pMark->connectVisibleChanged(this,
&WOverview::onMarkChanged);
}
}
QDomNode child = node.firstChild();
while (!child.isNull()) {
if (child.nodeName() == "MarkRange") {
m_markRanges.push_back(WaveformMarkRange(m_group, child, context, m_signalColors));
WaveformMarkRange& markRange = m_markRanges.back();
if (markRange.m_markEnabledControl) {
markRange.m_markEnabledControl->connectValueChanged(
this, &WOverview::onMarkRangeChange);
}
if (markRange.m_markVisibleControl) {
markRange.m_markVisibleControl->connectValueChanged(
this, &WOverview::onMarkRangeChange);
}
if (markRange.m_markStartPointControl) {
markRange.m_markStartPointControl->connectValueChanged(
this, &WOverview::onMarkRangeChange);
}
if (markRange.m_markEndPointControl) {
markRange.m_markEndPointControl->connectValueChanged(
this, &WOverview::onMarkRangeChange);
}
}
child = child.nextSibling();
}
QString orientationString = context.selectString(node, "Orientation").toLower();
if (orientationString == "vertical") {
m_orientation = Qt::Vertical;
} else {
m_orientation = Qt::Horizontal;
}
m_bShowCueTimes = context.selectBool(node, "ShowCueTimes", true);
//qDebug() << "WOverview : m_marks" << m_marks.size();
//qDebug() << "WOverview : m_markRanges" << m_markRanges.size();
if (!m_connections.isEmpty()) {
ControlParameterWidgetConnection* defaultConnection = m_connections.at(0);
if (defaultConnection) {
if (defaultConnection->getEmitOption() &
ControlParameterWidgetConnection::EMIT_DEFAULT) {
// ON_PRESS means here value change on mouse move during press
defaultConnection->setEmitOption(
ControlParameterWidgetConnection::EMIT_ON_RELEASE);
}
}
}
setFocusPolicy(Qt::NoFocus);
}
void WOverview::onConnectedControlChanged(double dParameter, double dValue) {
// this is connected via skin to "playposition"
Q_UNUSED(dValue);
// Calculate handle position. Clamp the value within 0-1 because that's
// all we represent with this widget.
dParameter = math_clamp(dParameter, 0.0, 1.0);
bool redraw = false;
int oldPos = m_iPlayPos;
m_iPlayPos = valueToPosition(dParameter);
if (oldPos != m_iPlayPos) {
redraw = true;
}
if (!m_bLeftClickDragging) {
// if not dragged the pick-up moves with the play position
m_iPickupPos = m_iPlayPos;
}
// In case the user is hovering a cue point or holding right click, the
// calculated time between the playhead and cue/cursor should be updated at
// least once per second, regardless of m_iPos which depends on the length
// of the widget.
int oldPositionSeconds = m_iPosSeconds;
m_iPosSeconds = static_cast<int>(dParameter * m_trackSamplesControl->get());
if ((m_bTimeRulerActive || m_pHoveredMark != nullptr) && oldPositionSeconds != m_iPosSeconds) {
redraw = true;
}
if (redraw) {
update();
}
}
void WOverview::slotWaveformSummaryUpdated() {
//qDebug() << "WOverview::slotWaveformSummaryUpdated()";
TrackPointer pTrack(m_pCurrentTrack);
if (!pTrack) {
return;
}
m_pWaveform = pTrack->getWaveformSummary();
if (m_pWaveform) {
// If the waveform is already complete, just draw it.
if (m_pWaveform->getCompletion() == m_pWaveform->getDataSize()) {
m_actualCompletion = 0;
if (drawNextPixmapPart()) {
update();
}
}
} else {
// Null waveform pointer means waveform was cleared.
m_waveformSourceImage = QImage();
m_analyzerProgress = kAnalyzerProgressUnknown;
m_actualCompletion = 0;
m_waveformPeak = -1.0;
m_pixmapDone = false;
update();
}
}
void WOverview::onTrackAnalyzerProgress(TrackId trackId, AnalyzerProgress analyzerProgress) {
if (!m_pCurrentTrack || (m_pCurrentTrack->getId() != trackId)) {
return;
}
bool updateNeeded = drawNextPixmapPart();
if (updateNeeded || (m_analyzerProgress != analyzerProgress)) {
m_analyzerProgress = analyzerProgress;
update();
}
}
void WOverview::slotTrackLoaded(TrackPointer pTrack) {
Q_UNUSED(pTrack); // only used in DEBUG_ASSERT
DEBUG_ASSERT(m_pCurrentTrack == pTrack);
m_trackLoaded = true;
if (m_pCurrentTrack) {
updateCues(m_pCurrentTrack->getCuePoints());
}
update();
}
void WOverview::slotLoadingTrack(TrackPointer pNewTrack, TrackPointer pOldTrack) {
Q_UNUSED(pOldTrack); // only used in DEBUG_ASSERT
//qDebug() << this << "WOverview::slotLoadingTrack" << pNewTrack.get() << pOldTrack.get();
DEBUG_ASSERT(m_pCurrentTrack == pOldTrack);
if (m_pCurrentTrack != nullptr) {
disconnect(m_pCurrentTrack.get(),
&Track::waveformSummaryUpdated,
this,
&WOverview::slotWaveformSummaryUpdated);
}
m_waveformSourceImage = QImage();
m_analyzerProgress = kAnalyzerProgressUnknown;
m_actualCompletion = 0;
m_waveformPeak = -1.0;
m_pixmapDone = false;
m_trackLoaded = false;
m_endOfTrack = false;
if (pNewTrack) {
m_pCurrentTrack = pNewTrack;
m_pWaveform = pNewTrack->getWaveformSummary();
connect(pNewTrack.get(),
&Track::waveformSummaryUpdated,
this,
&WOverview::slotWaveformSummaryUpdated);
slotWaveformSummaryUpdated();
connect(pNewTrack.get(), &Track::cuesUpdated, this, &WOverview::receiveCuesUpdated);
} else {
m_pCurrentTrack.reset();
m_pWaveform.clear();
}
update();
}
void WOverview::onEndOfTrackChange(double v) {
//qDebug() << "WOverview::onEndOfTrackChange()" << v;
m_endOfTrack = v > 0.0;
update();
}
void WOverview::onMarkChanged(double v) {
Q_UNUSED(v);
//qDebug() << "WOverview::onMarkChanged()" << v;
if (m_pCurrentTrack) {
updateCues(m_pCurrentTrack->getCuePoints());
update();
}
}
void WOverview::onMarkRangeChange(double v) {
Q_UNUSED(v);
//qDebug() << "WOverview::onMarkRangeChange()" << v;
update();
}
void WOverview::onRateRatioChange(double v) {
Q_UNUSED(v);
update();
}
void WOverview::onPassthroughChange(double v) {
m_bPassthroughEnabled = static_cast<bool>(v);
if (!m_bPassthroughEnabled) {
slotWaveformSummaryUpdated();
}
// Always call this to trigger a repaint even if not track is loaded
update();
}
void WOverview::updateCues(const QList<CuePointer> &loadedCues) {
m_marksToRender.clear();
for (const CuePointer& currentCue : loadedCues) {
const WaveformMarkPointer pMark = m_marks.getHotCueMark(currentCue->getHotCue());
if (pMark != nullptr && pMark->isValid() && pMark->isVisible()
&& pMark->getSamplePosition() != Cue::kNoPosition) {
QColor newColor = mixxx::RgbColor::toQColor(currentCue->getColor());
if (newColor != pMark->fillColor() || newColor != pMark->m_textColor) {
pMark->setBaseColor(newColor, m_dimBrightThreshold);
}
int hotcueNumber = currentCue->getHotCue();
if ((currentCue->getType() == mixxx::CueType::HotCue ||
currentCue->getType() == mixxx::CueType::Loop) &&
hotcueNumber != Cue::kNoHotCue) {
// Prepend the hotcue number to hotcues' labels
QString newLabel = currentCue->getLabel();
if (newLabel.isEmpty()) {
newLabel = QString::number(hotcueNumber + 1);
} else {
newLabel = QString("%1: %2").arg(hotcueNumber + 1).arg(newLabel);
}
if (pMark->m_text != newLabel) {
pMark->m_text = newLabel;
}
}
m_marksToRender.append(pMark);
}
}
// The loop above only adds WaveformMarks for hotcues to m_marksToRender.
for (const auto& pMark : m_marks) {
if (!m_marksToRender.contains(pMark) && pMark->isValid() && pMark->getSamplePosition() != Cue::kNoPosition && pMark->isVisible()) {
m_marksToRender.append(pMark);
}
}
std::sort(m_marksToRender.begin(), m_marksToRender.end());
}
// connecting the tracks cuesUpdated and onMarkChanged is not possible
// due to the incompatible signatures. This is a "wrapper" workaround
void WOverview::receiveCuesUpdated() {
onMarkChanged(0);
}
void WOverview::mouseMoveEvent(QMouseEvent* e) {
if (m_bLeftClickDragging) {
if (m_orientation == Qt::Horizontal) {
m_iPickupPos = math_clamp(e->x(), 0, width() - 1);
} else {
m_iPickupPos = math_clamp(e->y(), 0, height() - 1);
}
}
// Do not activate cue hovering while right click is held down and the
// button down event was not on a cue.
if (m_bTimeRulerActive) {
// Prevent showing times beyond the boundaries of the track when the
// cursor is dragged outside this widget before releasing right click.
m_timeRulerPos.setX(math_clamp(e->pos().x(), 0, width()));
m_timeRulerPos.setY(math_clamp(e->pos().y(), 0, height()));
update();
return;
}
m_pHoveredMark.clear();
// Non-hotcue marks (intro/outro cues, main cue, loop in/out) are sorted
// before hotcues in m_marksToRender so if there is a hotcue in the same
// location, the hotcue gets rendered on top. When right clicking, the
// the hotcue rendered on top must be assigned to m_pHoveredMark to show
// the CueMenuPopup. To accomplish this, m_marksToRender is iterated in
// reverse and the loop breaks as soon as m_pHoveredMark is set.
for (int i = m_marksToRender.size() - 1; i >= 0; --i) {
WaveformMarkPointer pMark = m_marksToRender.at(i);
if (pMark->contains(e->pos(), m_orientation)) {
m_pHoveredMark = pMark;
break;
}
}
//qDebug() << "WOverview::mouseMoveEvent" << e->pos() << m_iPos;
update();
}
void WOverview::mouseReleaseEvent(QMouseEvent* e) {
mouseMoveEvent(e);
//qDebug() << "WOverview::mouseReleaseEvent" << e->pos() << m_iPos << ">>" << dValue;
if (e->button() == Qt::LeftButton) {
if (m_bLeftClickDragging) {
m_iPlayPos = m_iPickupPos;
double dValue = positionToValue(m_iPickupPos);
setControlParameterUp(dValue);
m_bLeftClickDragging = false;
}
m_bTimeRulerActive = false;
} else if (e->button() == Qt::RightButton) {
// Do not seek when releasing a right click. This is important to
// prevent accidental seeking when trying to right click a hotcue.
m_bTimeRulerActive = false;
}
}
void WOverview::mousePressEvent(QMouseEvent* e) {
//qDebug() << "WOverview::mousePressEvent" << e->pos();
mouseMoveEvent(e);
if (m_pCurrentTrack == nullptr) {
return;
}
if (e->button() == Qt::LeftButton) {
if (m_orientation == Qt::Horizontal) {
m_iPickupPos = math_clamp(e->x(), 0, width() - 1);
} else {
m_iPickupPos = math_clamp(e->y(), 0, height() - 1);
}
if (m_pHoveredMark != nullptr) {
double dValue = m_pHoveredMark->getSamplePosition() / m_trackSamplesControl->get();
m_iPickupPos = valueToPosition(dValue);
m_iPlayPos = m_iPickupPos;
setControlParameterUp(dValue);
m_bLeftClickDragging = false;
} else {
m_bLeftClickDragging = true;
m_bTimeRulerActive = true;
m_timeRulerPos = e->pos();
}
} else if (e->button() == Qt::RightButton) {
if (m_bLeftClickDragging) {
m_iPickupPos = m_iPlayPos;
m_bLeftClickDragging = false;
m_bTimeRulerActive = false;
} else if (m_pHoveredMark == nullptr) {
m_bTimeRulerActive = true;
m_timeRulerPos = e->pos();
} else if (m_pHoveredMark->getHotCue() != Cue::kNoHotCue) {
// Currently the only way WaveformMarks can be associated
// with their respective Cue objects is by using the hotcue
// number. If cues without assigned hotcue are drawn on
// WOverview in the future, another way to associate
// WaveformMarks with Cues will need to be implemented.
CuePointer pHoveredCue;
QList<CuePointer> cueList = m_pCurrentTrack->getCuePoints();
for (const auto& pCue : cueList) {
if (pCue->getHotCue() == m_pHoveredMark->getHotCue()) {
pHoveredCue = pCue;
break;
}
}
if (pHoveredCue != nullptr) {
if (e->modifiers().testFlag(Qt::ShiftModifier)) {
m_pCurrentTrack->removeCue(pHoveredCue);
return;
} else {
m_pCueMenuPopup->setTrackAndCue(m_pCurrentTrack, pHoveredCue);
m_pCueMenuPopup->popup(e->globalPos());
}
}
}
}
}
void WOverview::slotCueMenuPopupAboutToHide() {
m_pHoveredMark.clear();
update();
}
void WOverview::leaveEvent(QEvent* pEvent) {
Q_UNUSED(pEvent);
if (!m_pCueMenuPopup->isVisible()) {
m_pHoveredMark.clear();
}
m_bLeftClickDragging = false;
m_bTimeRulerActive = false;
update();
}
void WOverview::paintEvent(QPaintEvent* pEvent) {
Q_UNUSED(pEvent);
ScopedTimer t("WOverview::paintEvent");
QPainter painter(this);
painter.fillRect(rect(), m_backgroundColor);
if (!m_backgroundPixmap.isNull()) {
painter.drawPixmap(rect(), m_backgroundPixmap);
}
if (m_pCurrentTrack) {
// Refer to util/ScopePainter.h to understand the semantics of
// ScopePainter.
drawEndOfTrackBackground(&painter);
drawAxis(&painter);
drawWaveformPixmap(&painter);
drawPlayedOverlay(&painter);
drawPlayPosition(&painter);
drawEndOfTrackFrame(&painter);
drawAnalyzerProgress(&painter);
double trackSamples = m_trackSamplesControl->get();
if (m_trackLoaded && trackSamples > 0) {
const float offset = 1.0f;
const auto gain = static_cast<CSAMPLE_GAIN>(length() - 2) /
static_cast<CSAMPLE_GAIN>(m_trackSamplesControl->get());
drawRangeMarks(&painter, offset, gain);
drawMarks(&painter, offset, gain);
drawPickupPosition(&painter);
drawTimeRuler(&painter);
drawMarkLabels(&painter, offset, gain);
}
}
if (m_bPassthroughEnabled) {
drawPassthroughOverlay(&painter);
m_pPassthroughLabel->show();
} else {
m_pPassthroughLabel->hide();
}
}
void WOverview::drawEndOfTrackBackground(QPainter* pPainter) {
if (m_endOfTrack) {
PainterScope painterScope(pPainter);
pPainter->setOpacity(0.3);
pPainter->setBrush(m_endOfTrackColor);
pPainter->drawRect(rect().adjusted(1, 1, -2, -2));
}
}
void WOverview::drawAxis(QPainter* pPainter) {
PainterScope painterScope(pPainter);
pPainter->setPen(QPen(m_axesColor, m_scaleFactor));
if (m_orientation == Qt::Horizontal) {
pPainter->drawLine(0, height() / 2, width(), height() / 2);
} else {
pPainter->drawLine(width() / 2, 0, width() / 2, height());
}
}
void WOverview::drawWaveformPixmap(QPainter* pPainter) {
WaveformWidgetFactory* widgetFactory = WaveformWidgetFactory::instance();
if (!m_waveformSourceImage.isNull()) {
PainterScope painterScope(pPainter);
float diffGain;
bool normalize = widgetFactory->isOverviewNormalized();
if (normalize && m_pixmapDone && m_waveformPeak > 1) {
diffGain = 255 - m_waveformPeak - 1;
} else {
const auto visualGain = static_cast<float>(
widgetFactory->getVisualGain(WaveformWidgetFactory::All));
diffGain = 255.0f - (255.0f / visualGain);
}
if (m_diffGain != diffGain || m_waveformImageScaled.isNull()) {
QRect sourceRect(0,
static_cast<int>(diffGain),
m_waveformSourceImage.width(),
m_waveformSourceImage.height() -
2 * static_cast<int>(diffGain));
QImage croppedImage = m_waveformSourceImage.copy(sourceRect);
if (m_orientation == Qt::Vertical) {
// Rotate pixmap
croppedImage = croppedImage.transformed(QTransform(0, 1, 1, 0, 0, 0));
}
m_waveformImageScaled = croppedImage.scaled(size() * m_devicePixelRatio,
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
m_diffGain = diffGain;
}
pPainter->drawImage(rect(), m_waveformImageScaled);
}
}
void WOverview::drawPlayedOverlay(QPainter* pPainter) {
// Overlay the played part of the overview-waveform with a skin defined color
if (!m_waveformSourceImage.isNull() && m_playedOverlayColor.alpha() > 0) {
if (m_orientation == Qt::Vertical) {
pPainter->fillRect(0,
0,
m_waveformImageScaled.width(),
m_iPlayPos,
m_playedOverlayColor);
} else {
pPainter->fillRect(0,
0,
m_iPlayPos,
m_waveformImageScaled.height(),
m_playedOverlayColor);
}
}
}
void WOverview::drawPlayPosition(QPainter* pPainter) {
// When the position line is currently dragged with the left mouse button
// draw a thin line -without triangles or shadow- at the playposition.
// The new playposition is drawn by drawPickupPosition()
if (m_bLeftClickDragging) {
PainterScope painterScope(pPainter);
QLineF line;
if (m_orientation == Qt::Horizontal) {
line.setLine(m_iPlayPos, 0.0, m_iPlayPos, height());
} else {
line.setLine(0.0, m_iPlayPos, width(), m_iPlayPos);
}
pPainter->setPen(QPen(m_playPosColor, m_scaleFactor));
pPainter->setOpacity(0.5);
pPainter->drawLine(line);
}
}
void WOverview::drawEndOfTrackFrame(QPainter* pPainter) {
if (m_endOfTrack) {
PainterScope painterScope(pPainter);
pPainter->setOpacity(0.8);
pPainter->setPen(QPen(QBrush(m_endOfTrackColor), 1.5 * m_scaleFactor));
pPainter->setBrush(QColor(0, 0, 0, 0));
pPainter->drawRect(rect().adjusted(0, 0, -1, -1));
}
}
void WOverview::drawAnalyzerProgress(QPainter* pPainter) {
if ((m_analyzerProgress >= kAnalyzerProgressNone) &&
(m_analyzerProgress < kAnalyzerProgressDone)) {
PainterScope painterScope(pPainter);
pPainter->setPen(QPen(m_playPosColor, 3 * m_scaleFactor));
if (m_analyzerProgress > kAnalyzerProgressNone) {
if (m_orientation == Qt::Horizontal) {
pPainter->drawLine(QLineF(width() * m_analyzerProgress,
height() / 2,
width(),
height() / 2));
} else {
pPainter->drawLine(QLineF(width() / 2,
height() * m_analyzerProgress,
width() / 2,
height()));
}
}
if (m_analyzerProgress <= kAnalyzerProgressHalf) { // remove text after progress by wf is recognizable
if (m_trackLoaded) {
//: Text on waveform overview when file is playable but no waveform is visible
paintText(tr("Ready to play, analyzing..."), pPainter);
} else {
//: Text on waveform overview when file is cached from source
paintText(tr("Loading track..."), pPainter);
}
} else if (m_analyzerProgress >= kAnalyzerProgressFinalizing) {
//: Text on waveform overview during finalizing of waveform analysis
paintText(tr("Finalizing..."), pPainter);
}
} else if (!m_trackLoaded) {
// This happens if the track samples are not loaded, but we have
// a cached track
//: Text on waveform overview when file is cached from source
paintText(tr("Loading track..."), pPainter);
}
}
void WOverview::drawRangeMarks(QPainter* pPainter, const float& offset, const float& gain) {
for (auto&& markRange : m_markRanges) {
if (!markRange.active() || !markRange.visible()) {
continue;
}
// Active mark ranges by definition have starts/ends that are not
// disabled.
const qreal startValue = markRange.start();
const qreal endValue = markRange.end();
const qreal startPosition = offset + startValue * gain;
const qreal endPosition = offset + endValue * gain;
if (startPosition < 0.0 && endPosition < 0.0) {
continue;
}
PainterScope painterScope(pPainter);
if (markRange.enabled()) {
pPainter->setOpacity(markRange.m_enabledOpacity);
pPainter->setPen(markRange.m_activeColor);
pPainter->setBrush(markRange.m_activeColor);
} else {
pPainter->setOpacity(markRange.m_disabledOpacity);
pPainter->setPen(markRange.m_disabledColor);
pPainter->setBrush(markRange.m_disabledColor);
}
// let top and bottom of the rect out of the widget
if (m_orientation == Qt::Horizontal) {
pPainter->drawRect(QRectF(QPointF(startPosition, -2.0),
QPointF(endPosition, height() + 1.0)));
} else {
pPainter->drawRect(QRectF(QPointF(-2.0, startPosition),
QPointF(width() + 1.0, endPosition)));
}
}
}
void WOverview::drawMarks(QPainter* pPainter, const float offset, const float gain) {
QFont markerFont = pPainter->font();
markerFont.setPixelSize(static_cast<int>(m_iLabelFontSize * m_scaleFactor));
QFontMetricsF fontMetrics(markerFont);
// Text labels are rendered so they do not overlap with other WaveformMarks'
// labels. If the text would be too wide, it is elided. However, the user
// can hover the mouse cursor over a label to show the whole label text,
// temporarily hiding any following labels that would be drawn over it.
// This requires looping over the WaveformMarks twice and the marks must be
// sorted in the order they appear on the waveform.
// In the first loop, the lines are drawn and the text to render plus its
// location are calculated then stored in a WaveformMarkLabel. The text must
// be drawn in the second loop to prevent the lines of following
// WaveformMarks getting drawn over it. The second loop is in the separate
// drawMarkLabels function so it can be called after drawCurrentPosition so
// the view of labels is not obscured by the playhead.
bool markHovered = false;
for (int i = 0; i < m_marksToRender.size(); ++i) {
WaveformMarkPointer pMark = m_marksToRender.at(i);
PainterScope painterScope(pPainter);
double samplePosition = m_marksToRender.at(i)->getSamplePosition();
const float markPosition = math_clamp(
offset + static_cast<float>(samplePosition) * gain,
0.0f,
static_cast<float>(width()));
pMark->m_linePosition = markPosition;
QLineF line;
QLineF bgLine;
if (m_orientation == Qt::Horizontal) {
line.setLine(markPosition, 0.0, markPosition, height());
bgLine.setLine(markPosition - 1.0, 0.0, markPosition - 1.0, height());
} else {
line.setLine(0.0, markPosition, width(), markPosition);
bgLine.setLine(0.0, markPosition - 1.0, width(), markPosition - 1.0);
}
QRectF rect;
double sampleEndPosition = m_marksToRender.at(i)->getSampleEndPosition();
if (sampleEndPosition > 0) {
const float markEndPosition = math_clamp(
offset + static_cast<float>(sampleEndPosition) * gain,
0.0f,
static_cast<float>(width()));
if (m_orientation == Qt::Horizontal) {
rect.setCoords(markPosition, 0, markEndPosition, height());
} else {
rect.setCoords(0, markPosition, width(), markEndPosition);
}
}
pPainter->setPen(pMark->borderColor());
pPainter->drawLine(bgLine);
pPainter->setPen(pMark->fillColor());
pPainter->drawLine(line);
if (rect.isValid()) {
QColor loopColor = pMark->fillColor();
loopColor.setAlphaF(0.5);
pPainter->fillRect(rect, loopColor);
}
if (!pMark->m_text.isEmpty()) {
Qt::Alignment halign = pMark->m_align & Qt::AlignHorizontal_Mask;
Qt::Alignment valign = pMark->m_align & Qt::AlignVertical_Mask;
QString text = pMark->m_text;
// Only allow the text to overlap the following mark if the mouse is
// hovering over it. Elide it if it would render over the next
// label, but do not elide it if the next mark's label is not at the
// same vertical position.
if (pMark != m_pHoveredMark && i < m_marksToRender.size() - 1) {
float nextMarkPosition = -1.0f;
for (int m = i + 1; m < m_marksToRender.size() - 1; ++m) {
WaveformMarkPointer otherMark = m_marksToRender.at(m);
bool otherAtSameHeight = valign == (otherMark->m_align & Qt::AlignVertical_Mask);
// Hotcues always show at least their number.
bool otherHasLabel = !otherMark->m_text.isEmpty() || otherMark->getHotCue() != Cue::kNoHotCue;
if (otherAtSameHeight && otherHasLabel) {
nextMarkPosition = offset +
static_cast<float>(
otherMark->getSamplePosition()) *
gain;
break;
}
}
if (nextMarkPosition != -1.0) {
text = fontMetrics.elidedText(text, Qt::ElideRight, nextMarkPosition - markPosition - 5);
}
}
// Sometimes QFontMetrics::elidedText turns the QString into just an
// ellipsis character, so always show at least the hotcue number if
// the label does not fit.
if ((text.isEmpty() || text == "…") && pMark->getHotCue() != Cue::kNoHotCue) {
text = QString::number(pMark->getHotCue() + 1);
}
QRectF textRect = fontMetrics.boundingRect(text);
QPointF textPoint;
if (m_orientation == Qt::Horizontal) {
if (halign == Qt::AlignLeft) {
textPoint.setX(markPosition - textRect.width() - 5.5);
} else if (halign == Qt::AlignHCenter) {
textPoint.setX(markPosition - textRect.width() / 2);
} else { // AlignRight
textPoint.setX(markPosition + 1.5);
}
if (valign == Qt::AlignTop) {
textPoint.setY(fontMetrics.height());
} else if (valign == Qt::AlignVCenter) {
textPoint.setY((textRect.height() + height()) / 2);
} else { // AlignBottom
textPoint.setY(float(height()) - 0.5f);
}
} else { // Vertical
if (halign == Qt::AlignLeft) {
textPoint.setX(1.0f);
} else if (halign == Qt::AlignHCenter) {
textPoint.setX((width() - textRect.width()) / 2);
} else { // AlignRight
textPoint.setX(width() - textRect.width());
}
if (valign == Qt::AlignTop) {
textPoint.setY(markPosition - 1.0f);
} else if (valign == Qt::AlignVCenter) {
textPoint.setY(markPosition + textRect.height() / 2);
} else { // AlignBottom
textPoint.setY(markPosition + fontMetrics.ascent());
}
}
pMark->m_label.prerender(textPoint,
QPixmap(),
text,
markerFont,
m_labelTextColor,
m_labelBackgroundColor,
width(),
getDevicePixelRatioF(this));
}
// Show cue position when hovered
// The area it will be drawn in needs to be calculated here
// before drawMarkLabels so drawMarkLabels can avoid drawing
// labels over the cue position.
// This can happen for example if the user shows the cue position
// of a hotcue which is near the intro end position because the
// intro_end_position WaveformMark label is drawn at the top.
// However, the drawing of this text needs to happen in
// drawMarkLabels so none of the WaveformMark lines are drawn
// on top of the position text.
// WaveformMark::m_align refers to the alignment of the label,
// so if the label is on bottom draw the position text on top and
// vice versa.
if (pMark == m_pHoveredMark) {
Qt::Alignment valign = pMark->m_align & Qt::AlignVertical_Mask;
QPointF positionTextPoint(markPosition + 1.5, 0);
if (valign == Qt::AlignTop) {
positionTextPoint.setY(float(height()) - 0.5f);
} else {
positionTextPoint.setY(fontMetrics.height());
}
double markSamples = pMark->getSamplePosition();
double trackSamples = m_trackSamplesControl->get();
double currentPositionSamples = m_playpositionControl->get() * trackSamples;
double markTime = samplePositionToSeconds(markSamples);
double markTimeRemaining = samplePositionToSeconds(trackSamples - markSamples);
double markTimeDistance = samplePositionToSeconds(markSamples - currentPositionSamples);
QString cuePositionText = mixxx::Duration::formatTime(markTime) + " -" +
mixxx::Duration::formatTime(markTimeRemaining);
QString cueTimeDistanceText = mixxx::Duration::formatTime(fabs(markTimeDistance));
// Cast to int to avoid confusingly switching from -0:00 to 0:00 as
// the playhead passes the cue
if (static_cast<int>(markTimeDistance) < 0) {
cueTimeDistanceText = "-" + cueTimeDistanceText;
}
m_cuePositionLabel.prerender(positionTextPoint,
QPixmap(),
cuePositionText,
markerFont,
m_labelTextColor,
m_labelBackgroundColor,
width(),
getDevicePixelRatioF(this));
QPointF timeDistancePoint(positionTextPoint.x(),
(fontMetrics.height() + height()) / 2);
m_cueTimeDistanceLabel.prerender(timeDistancePoint,
QPixmap(),
cueTimeDistanceText,
markerFont,
m_labelTextColor,
m_labelBackgroundColor,
width(),