##// END OF EJS Templates
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Merge branch 'develop' of https://perrinel@hephaistos.lpp.polytechnique.fr/rhodecode/GIT_REPOSITORIES/LPP/Users/mperrinel/SciQLop-fork into develop Conflicts: core/src/Catalogue/CatalogueController.cpp

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VisualizationGraphWidget.cpp
1003 lines | 36.2 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationGraphWidget.cpp
#include "Visualization/VisualizationGraphWidget.h"
#include "Visualization/IVisualizationWidgetVisitor.h"
#include "Visualization/VisualizationCursorItem.h"
#include "Visualization/VisualizationDefs.h"
#include "Visualization/VisualizationGraphHelper.h"
#include "Visualization/VisualizationGraphRenderingDelegate.h"
#include "Visualization/VisualizationMultiZoneSelectionDialog.h"
#include "Visualization/VisualizationSelectionZoneItem.h"
#include "Visualization/VisualizationSelectionZoneManager.h"
#include "Visualization/VisualizationWidget.h"
#include "Visualization/VisualizationZoneWidget.h"
#include "ui_VisualizationGraphWidget.h"
#include <Actions/ActionsGuiController.h>
#include <Common/MimeTypesDef.h>
#include <Data/ArrayData.h>
#include <Data/IDataSeries.h>
#include <Data/SpectrogramSeries.h>
#include <DragAndDrop/DragDropGuiController.h>
#include <Settings/SqpSettingsDefs.h>
#include <SqpApplication.h>
#include <Time/TimeController.h>
#include <Variable/Variable.h>
#include <Variable/VariableController.h>
#include <unordered_map>
Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget")
namespace {
/// Key pressed to enable drag&drop in all modes
const auto DRAG_DROP_MODIFIER = Qt::AltModifier;
/// Key pressed to enable zoom on horizontal axis
const auto HORIZONTAL_ZOOM_MODIFIER = Qt::ControlModifier;
/// Key pressed to enable zoom on vertical axis
const auto VERTICAL_ZOOM_MODIFIER = Qt::ShiftModifier;
/// Speed of a step of a wheel event for a pan, in percentage of the axis range
const auto PAN_SPEED = 5;
/// Key pressed to enable a calibration pan
const auto VERTICAL_PAN_MODIFIER = Qt::AltModifier;
/// Key pressed to enable multi selection of selection zones
const auto MULTI_ZONE_SELECTION_MODIFIER = Qt::ControlModifier;
/// Minimum size for the zoom box, in percentage of the axis range
const auto ZOOM_BOX_MIN_SIZE = 0.8;
/// Format of the dates appearing in the label of a cursor
const auto CURSOR_LABELS_DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd\nhh:mm:ss:zzz");
} // namespace
struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate {
explicit VisualizationGraphWidgetPrivate(const QString &name)
: m_Name{name},
m_DoAcquisition{true},
m_IsCalibration{false},
m_RenderingDelegate{nullptr}
{
}
void updateData(PlottablesMap &plottables, std::shared_ptr<IDataSeries> dataSeries,
const SqpRange &range)
{
VisualizationGraphHelper::updateData(plottables, dataSeries, range);
// Prevents that data has changed to update rendering
m_RenderingDelegate->onPlotUpdated();
}
QString m_Name;
// 1 variable -> n qcpplot
std::map<std::shared_ptr<Variable>, PlottablesMap> m_VariableToPlotMultiMap;
bool m_DoAcquisition;
bool m_IsCalibration;
/// Delegate used to attach rendering features to the plot
std::unique_ptr<VisualizationGraphRenderingDelegate> m_RenderingDelegate;
QCPItemRect *m_DrawingZoomRect = nullptr;
QStack<QPair<QCPRange, QCPRange> > m_ZoomStack;
std::unique_ptr<VisualizationCursorItem> m_HorizontalCursor = nullptr;
std::unique_ptr<VisualizationCursorItem> m_VerticalCursor = nullptr;
VisualizationSelectionZoneItem *m_DrawingZone = nullptr;
VisualizationSelectionZoneItem *m_HoveredZone = nullptr;
QVector<VisualizationSelectionZoneItem *> m_SelectionZones;
bool m_HasMovedMouse = false; // Indicates if the mouse moved in a releaseMouse even
void startDrawingRect(const QPoint &pos, QCustomPlot &plot)
{
removeDrawingRect(plot);
auto axisPos = posToAxisPos(pos, plot);
m_DrawingZoomRect = new QCPItemRect{&plot};
QPen p;
p.setWidth(2);
m_DrawingZoomRect->setPen(p);
m_DrawingZoomRect->topLeft->setCoords(axisPos);
m_DrawingZoomRect->bottomRight->setCoords(axisPos);
}
void removeDrawingRect(QCustomPlot &plot)
{
if (m_DrawingZoomRect) {
plot.removeItem(m_DrawingZoomRect); // the item is deleted by QCustomPlot
m_DrawingZoomRect = nullptr;
plot.replot(QCustomPlot::rpQueuedReplot);
}
}
void startDrawingZone(const QPoint &pos, VisualizationGraphWidget *graph)
{
endDrawingZone(graph);
auto axisPos = posToAxisPos(pos, graph->plot());
m_DrawingZone = new VisualizationSelectionZoneItem{&graph->plot()};
m_DrawingZone->setRange(axisPos.x(), axisPos.x());
m_DrawingZone->setEditionEnabled(false);
}
void endDrawingZone(VisualizationGraphWidget *graph)
{
if (m_DrawingZone) {
auto drawingZoneRange = m_DrawingZone->range();
if (qAbs(drawingZoneRange.m_TEnd - drawingZoneRange.m_TStart) > 0) {
m_DrawingZone->setEditionEnabled(true);
addSelectionZone(m_DrawingZone);
}
else {
graph->plot().removeItem(m_DrawingZone); // the item is deleted by QCustomPlot
}
graph->plot().replot(QCustomPlot::rpQueuedReplot);
m_DrawingZone = nullptr;
}
}
void setSelectionZonesEditionEnabled(bool value)
{
for (auto s : m_SelectionZones) {
s->setEditionEnabled(value);
}
}
void addSelectionZone(VisualizationSelectionZoneItem *zone) { m_SelectionZones << zone; }
VisualizationSelectionZoneItem *selectionZoneAt(const QPoint &pos,
const QCustomPlot &plot) const
{
VisualizationSelectionZoneItem *selectionZoneItemUnderCursor = nullptr;
auto minDistanceToZone = -1;
for (auto zone : m_SelectionZones) {
auto distanceToZone = zone->selectTest(pos, false);
if ((minDistanceToZone < 0 || distanceToZone <= minDistanceToZone)
&& distanceToZone >= 0 && distanceToZone < plot.selectionTolerance()) {
selectionZoneItemUnderCursor = zone;
}
}
return selectionZoneItemUnderCursor;
}
QVector<VisualizationSelectionZoneItem *> selectionZonesAt(const QPoint &pos,
const QCustomPlot &plot) const
{
QVector<VisualizationSelectionZoneItem *> zones;
for (auto zone : m_SelectionZones) {
auto distanceToZone = zone->selectTest(pos, false);
if (distanceToZone >= 0 && distanceToZone < plot.selectionTolerance()) {
zones << zone;
}
}
return zones;
}
void moveSelectionZoneOnTop(VisualizationSelectionZoneItem *zone, QCustomPlot &plot)
{
if (!m_SelectionZones.isEmpty() && m_SelectionZones.last() != zone) {
zone->moveToTop();
m_SelectionZones.removeAll(zone);
m_SelectionZones.append(zone);
}
}
QPointF posToAxisPos(const QPoint &pos, QCustomPlot &plot) const
{
auto axisX = plot.axisRect()->axis(QCPAxis::atBottom);
auto axisY = plot.axisRect()->axis(QCPAxis::atLeft);
return QPointF{axisX->pixelToCoord(pos.x()), axisY->pixelToCoord(pos.y())};
}
bool pointIsInAxisRect(const QPointF &axisPoint, QCustomPlot &plot) const
{
auto axisX = plot.axisRect()->axis(QCPAxis::atBottom);
auto axisY = plot.axisRect()->axis(QCPAxis::atLeft);
return axisX->range().contains(axisPoint.x()) && axisY->range().contains(axisPoint.y());
}
};
VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent)
: VisualizationDragWidget{parent},
ui{new Ui::VisualizationGraphWidget},
impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>(name)}
{
ui->setupUi(this);
// 'Close' options : widget is deleted when closed
setAttribute(Qt::WA_DeleteOnClose);
// Set qcpplot properties :
// - zoom is enabled
// - Mouse wheel on qcpplot is intercepted to determine the zoom orientation
ui->widget->setInteractions(QCP::iRangeZoom);
ui->widget->axisRect()->setRangeDrag(Qt::Horizontal | Qt::Vertical);
// The delegate must be initialized after the ui as it uses the plot
impl->m_RenderingDelegate = std::make_unique<VisualizationGraphRenderingDelegate>(*this);
// Init the cursors
impl->m_HorizontalCursor = std::make_unique<VisualizationCursorItem>(&plot());
impl->m_HorizontalCursor->setOrientation(Qt::Horizontal);
impl->m_VerticalCursor = std::make_unique<VisualizationCursorItem>(&plot());
impl->m_VerticalCursor->setOrientation(Qt::Vertical);
connect(ui->widget, &QCustomPlot::mousePress, this, &VisualizationGraphWidget::onMousePress);
connect(ui->widget, &QCustomPlot::mouseRelease, this,
&VisualizationGraphWidget::onMouseRelease);
connect(ui->widget, &QCustomPlot::mouseMove, this, &VisualizationGraphWidget::onMouseMove);
connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel);
connect(ui->widget, &QCustomPlot::mouseDoubleClick, this,
&VisualizationGraphWidget::onMouseDoubleClick);
connect(ui->widget->xAxis, static_cast<void (QCPAxis::*)(const QCPRange &, const QCPRange &)>(
&QCPAxis::rangeChanged),
this, &VisualizationGraphWidget::onRangeChanged, Qt::DirectConnection);
// Activates menu when right clicking on the graph
ui->widget->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->widget, &QCustomPlot::customContextMenuRequested, this,
&VisualizationGraphWidget::onGraphMenuRequested);
connect(this, &VisualizationGraphWidget::requestDataLoading, &sqpApp->variableController(),
&VariableController::onRequestDataLoading);
connect(&sqpApp->variableController(), &VariableController::updateVarDisplaying, this,
&VisualizationGraphWidget::onUpdateVarDisplaying);
#ifdef Q_OS_MAC
plot().setPlottingHint(QCP::phFastPolylines, true);
#endif
}
VisualizationGraphWidget::~VisualizationGraphWidget()
{
delete ui;
}
VisualizationZoneWidget *VisualizationGraphWidget::parentZoneWidget() const noexcept
{
auto parent = parentWidget();
while (parent != nullptr && !qobject_cast<VisualizationZoneWidget *>(parent)) {
parent = parent->parentWidget();
}
return qobject_cast<VisualizationZoneWidget *>(parent);
}
VisualizationWidget *VisualizationGraphWidget::parentVisualizationWidget() const
{
auto parent = parentWidget();
while (parent != nullptr && !qobject_cast<VisualizationWidget *>(parent)) {
parent = parent->parentWidget();
}
return qobject_cast<VisualizationWidget *>(parent);
}
void VisualizationGraphWidget::enableAcquisition(bool enable)
{
impl->m_DoAcquisition = enable;
}
void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable, SqpRange range)
{
// Uses delegate to create the qcpplot components according to the variable
auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget);
if (auto dataSeries = variable->dataSeries()) {
// Set axes properties according to the units of the data series
impl->m_RenderingDelegate->setAxesProperties(dataSeries);
// Sets rendering properties for the new plottables
// Warning: this method must be called after setAxesProperties(), as it can access to some
// axes properties that have to be initialized
impl->m_RenderingDelegate->setPlottablesProperties(dataSeries, createdPlottables);
}
impl->m_VariableToPlotMultiMap.insert({variable, std::move(createdPlottables)});
connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated()));
this->enableAcquisition(false);
this->setGraphRange(range);
this->enableAcquisition(true);
emit requestDataLoading(QVector<std::shared_ptr<Variable> >() << variable, range, false);
emit variableAdded(variable);
}
void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept
{
// Each component associated to the variable :
// - is removed from qcpplot (which deletes it)
// - is no longer referenced in the map
auto variableIt = impl->m_VariableToPlotMultiMap.find(variable);
if (variableIt != impl->m_VariableToPlotMultiMap.cend()) {
emit variableAboutToBeRemoved(variable);
auto &plottablesMap = variableIt->second;
for (auto plottableIt = plottablesMap.cbegin(), plottableEnd = plottablesMap.cend();
plottableIt != plottableEnd;) {
ui->widget->removePlottable(plottableIt->second);
plottableIt = plottablesMap.erase(plottableIt);
}
impl->m_VariableToPlotMultiMap.erase(variableIt);
}
// Updates graph
ui->widget->replot();
}
QList<std::shared_ptr<Variable> > VisualizationGraphWidget::variables() const
{
auto variables = QList<std::shared_ptr<Variable> >{};
for (auto it = std::cbegin(impl->m_VariableToPlotMultiMap);
it != std::cend(impl->m_VariableToPlotMultiMap); ++it) {
variables << it->first;
}
return variables;
}
void VisualizationGraphWidget::setYRange(std::shared_ptr<Variable> variable)
{
if (!variable) {
qCCritical(LOG_VisualizationGraphWidget()) << "Can't set y-axis range: variable is null";
return;
}
VisualizationGraphHelper::setYAxisRange(variable, *ui->widget);
}
SqpRange VisualizationGraphWidget::graphRange() const noexcept
{
auto graphRange = ui->widget->xAxis->range();
return SqpRange{graphRange.lower, graphRange.upper};
}
void VisualizationGraphWidget::setGraphRange(const SqpRange &range)
{
qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange START");
ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd);
ui->widget->replot();
qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange END");
}
QVector<SqpRange> VisualizationGraphWidget::selectionZoneRanges() const
{
QVector<SqpRange> ranges;
for (auto zone : impl->m_SelectionZones) {
ranges << zone->range();
}
return ranges;
}
void VisualizationGraphWidget::addSelectionZones(const QVector<SqpRange> &ranges)
{
for (const auto &range : ranges) {
// note: ownership is transfered to QCustomPlot
auto zone = new VisualizationSelectionZoneItem(&plot());
zone->setRange(range.m_TStart, range.m_TEnd);
impl->addSelectionZone(zone);
}
plot().replot(QCustomPlot::rpQueuedReplot);
}
void VisualizationGraphWidget::removeSelectionZone(VisualizationSelectionZoneItem *selectionZone)
{
parentVisualizationWidget()->selectionZoneManager().setSelected(selectionZone, false);
if (impl->m_HoveredZone == selectionZone) {
impl->m_HoveredZone = nullptr;
setCursor(Qt::ArrowCursor);
}
impl->m_SelectionZones.removeAll(selectionZone);
plot().removeItem(selectionZone);
plot().replot(QCustomPlot::rpQueuedReplot);
}
void VisualizationGraphWidget::undoZoom()
{
auto zoom = impl->m_ZoomStack.pop();
auto axisX = plot().axisRect()->axis(QCPAxis::atBottom);
auto axisY = plot().axisRect()->axis(QCPAxis::atLeft);
axisX->setRange(zoom.first);
axisY->setRange(zoom.second);
plot().replot(QCustomPlot::rpQueuedReplot);
}
void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)
{
if (visitor) {
visitor->visit(this);
}
else {
qCCritical(LOG_VisualizationGraphWidget())
<< tr("Can't visit widget : the visitor is null");
}
}
bool VisualizationGraphWidget::canDrop(const Variable &variable) const
{
auto isSpectrogram = [](const auto &variable) {
return std::dynamic_pointer_cast<SpectrogramSeries>(variable.dataSeries()) != nullptr;
};
// - A spectrogram series can't be dropped on graph with existing plottables
// - No data series can be dropped on graph with existing spectrogram series
return isSpectrogram(variable)
? impl->m_VariableToPlotMultiMap.empty()
: std::none_of(
impl->m_VariableToPlotMultiMap.cbegin(), impl->m_VariableToPlotMultiMap.cend(),
[isSpectrogram](const auto &entry) { return isSpectrogram(*entry.first); });
}
bool VisualizationGraphWidget::contains(const Variable &variable) const
{
// Finds the variable among the keys of the map
auto variablePtr = &variable;
auto findVariable
= [variablePtr](const auto &entry) { return variablePtr == entry.first.get(); };
auto end = impl->m_VariableToPlotMultiMap.cend();
auto it = std::find_if(impl->m_VariableToPlotMultiMap.cbegin(), end, findVariable);
return it != end;
}
QString VisualizationGraphWidget::name() const
{
return impl->m_Name;
}
QMimeData *VisualizationGraphWidget::mimeData(const QPoint &position) const
{
auto mimeData = new QMimeData;
auto selectionZoneItemUnderCursor = impl->selectionZoneAt(position, plot());
if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones
&& selectionZoneItemUnderCursor) {
mimeData->setData(MIME_TYPE_TIME_RANGE, TimeController::mimeDataForTimeRange(
selectionZoneItemUnderCursor->range()));
mimeData->setData(MIME_TYPE_SELECTION_ZONE, TimeController::mimeDataForTimeRange(
selectionZoneItemUnderCursor->range()));
}
else {
mimeData->setData(MIME_TYPE_GRAPH, QByteArray{});
auto timeRangeData = TimeController::mimeDataForTimeRange(graphRange());
mimeData->setData(MIME_TYPE_TIME_RANGE, timeRangeData);
}
return mimeData;
}
QPixmap VisualizationGraphWidget::customDragPixmap(const QPoint &dragPosition)
{
auto selectionZoneItemUnderCursor = impl->selectionZoneAt(dragPosition, plot());
if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones
&& selectionZoneItemUnderCursor) {
auto zoneTopLeft = selectionZoneItemUnderCursor->topLeft->pixelPosition();
auto zoneBottomRight = selectionZoneItemUnderCursor->bottomRight->pixelPosition();
auto zoneSize = QSizeF{qAbs(zoneBottomRight.x() - zoneTopLeft.x()),
qAbs(zoneBottomRight.y() - zoneTopLeft.y())}
.toSize();
auto pixmap = QPixmap(zoneSize);
render(&pixmap, QPoint(), QRegion{QRect{zoneTopLeft.toPoint(), zoneSize}});
return pixmap;
}
return QPixmap();
}
bool VisualizationGraphWidget::isDragAllowed() const
{
return true;
}
void VisualizationGraphWidget::highlightForMerge(bool highlighted)
{
if (highlighted) {
plot().setBackground(QBrush(QColor("#BBD5EE")));
}
else {
plot().setBackground(QBrush(Qt::white));
}
plot().update();
}
void VisualizationGraphWidget::addVerticalCursor(double time)
{
impl->m_VerticalCursor->setPosition(time);
impl->m_VerticalCursor->setVisible(true);
auto text
= DateUtils::dateTime(time).toString(CURSOR_LABELS_DATETIME_FORMAT).replace(' ', '\n');
impl->m_VerticalCursor->setLabelText(text);
}
void VisualizationGraphWidget::addVerticalCursorAtViewportPosition(double position)
{
impl->m_VerticalCursor->setAbsolutePosition(position);
impl->m_VerticalCursor->setVisible(true);
auto axis = plot().axisRect()->axis(QCPAxis::atBottom);
auto text
= DateUtils::dateTime(axis->pixelToCoord(position)).toString(CURSOR_LABELS_DATETIME_FORMAT);
impl->m_VerticalCursor->setLabelText(text);
}
void VisualizationGraphWidget::removeVerticalCursor()
{
impl->m_VerticalCursor->setVisible(false);
plot().replot(QCustomPlot::rpQueuedReplot);
}
void VisualizationGraphWidget::addHorizontalCursor(double value)
{
impl->m_HorizontalCursor->setPosition(value);
impl->m_HorizontalCursor->setVisible(true);
impl->m_HorizontalCursor->setLabelText(QString::number(value));
}
void VisualizationGraphWidget::addHorizontalCursorAtViewportPosition(double position)
{
impl->m_HorizontalCursor->setAbsolutePosition(position);
impl->m_HorizontalCursor->setVisible(true);
auto axis = plot().axisRect()->axis(QCPAxis::atLeft);
impl->m_HorizontalCursor->setLabelText(QString::number(axis->pixelToCoord(position)));
}
void VisualizationGraphWidget::removeHorizontalCursor()
{
impl->m_HorizontalCursor->setVisible(false);
plot().replot(QCustomPlot::rpQueuedReplot);
}
void VisualizationGraphWidget::closeEvent(QCloseEvent *event)
{
Q_UNUSED(event);
// Prevents that all variables will be removed from graph when it will be closed
for (auto &variableEntry : impl->m_VariableToPlotMultiMap) {
emit variableAboutToBeRemoved(variableEntry.first);
}
}
void VisualizationGraphWidget::enterEvent(QEvent *event)
{
Q_UNUSED(event);
impl->m_RenderingDelegate->showGraphOverlay(true);
}
void VisualizationGraphWidget::leaveEvent(QEvent *event)
{
Q_UNUSED(event);
impl->m_RenderingDelegate->showGraphOverlay(false);
if (auto parentZone = parentZoneWidget()) {
parentZone->notifyMouseLeaveGraph(this);
}
else {
qCWarning(LOG_VisualizationGraphWidget()) << "leaveEvent: No parent zone widget";
}
if (impl->m_HoveredZone) {
impl->m_HoveredZone->setHovered(false);
impl->m_HoveredZone = nullptr;
}
}
QCustomPlot &VisualizationGraphWidget::plot() const noexcept
{
return *ui->widget;
}
void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept
{
QMenu graphMenu{};
// Iterates on variables (unique keys)
for (auto it = impl->m_VariableToPlotMultiMap.cbegin(),
end = impl->m_VariableToPlotMultiMap.cend();
it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {
// 'Remove variable' action
graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()),
[ this, var = it->first ]() { removeVariable(var); });
}
if (!impl->m_ZoomStack.isEmpty()) {
if (!graphMenu.isEmpty()) {
graphMenu.addSeparator();
}
graphMenu.addAction(tr("Undo Zoom"), [this]() { undoZoom(); });
}
// Selection Zone Actions
auto selectionZoneItem = impl->selectionZoneAt(pos, plot());
if (selectionZoneItem) {
auto selectedItems = parentVisualizationWidget()->selectionZoneManager().selectedItems();
selectedItems.removeAll(selectionZoneItem);
selectedItems.prepend(selectionZoneItem); // Put the current selection zone first
auto zoneActions = sqpApp->actionsGuiController().selectionZoneActions();
if (!zoneActions.isEmpty() && !graphMenu.isEmpty()) {
graphMenu.addSeparator();
}
QHash<QString, QMenu *> subMenus;
QHash<QString, bool> subMenusEnabled;
for (auto zoneAction : zoneActions) {
auto isEnabled = zoneAction->isEnabled(selectedItems);
auto menu = &graphMenu;
for (auto subMenuName : zoneAction->subMenuList()) {
if (!subMenus.contains(subMenuName)) {
menu = menu->addMenu(subMenuName);
subMenus[subMenuName] = menu;
subMenusEnabled[subMenuName] = isEnabled;
}
else {
menu = subMenus.value(subMenuName);
if (isEnabled) {
// The sub menu is enabled if at least one of its actions is enabled
subMenusEnabled[subMenuName] = true;
}
}
}
auto action = menu->addAction(zoneAction->name());
action->setEnabled(isEnabled);
action->setShortcut(zoneAction->displayedShortcut());
QObject::connect(action, &QAction::triggered,
[zoneAction, selectedItems]() { zoneAction->execute(selectedItems); });
}
for (auto it = subMenus.cbegin(); it != subMenus.cend(); ++it) {
it.value()->setEnabled(subMenusEnabled[it.key()]);
}
}
if (!graphMenu.isEmpty()) {
graphMenu.exec(QCursor::pos());
}
}
void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange &t2)
{
qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: VisualizationGraphWidget::onRangeChanged")
<< QThread::currentThread()->objectName() << "DoAcqui"
<< impl->m_DoAcquisition;
auto graphRange = SqpRange{t1.lower, t1.upper};
auto oldGraphRange = SqpRange{t2.lower, t2.upper};
if (impl->m_DoAcquisition) {
QVector<std::shared_ptr<Variable> > variableUnderGraphVector;
for (auto it = impl->m_VariableToPlotMultiMap.begin(),
end = impl->m_VariableToPlotMultiMap.end();
it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {
variableUnderGraphVector.push_back(it->first);
}
emit requestDataLoading(std::move(variableUnderGraphVector), graphRange,
!impl->m_IsCalibration);
if (!impl->m_IsCalibration) {
qCDebug(LOG_VisualizationGraphWidget())
<< tr("TORM: VisualizationGraphWidget::Synchronize notify !!")
<< QThread::currentThread()->objectName() << graphRange << oldGraphRange;
emit synchronize(graphRange, oldGraphRange);
}
}
auto pos = mapFromGlobal(QCursor::pos());
auto axisPos = impl->posToAxisPos(pos, plot());
if (auto parentZone = parentZoneWidget()) {
if (impl->pointIsInAxisRect(axisPos, plot())) {
parentZone->notifyMouseMoveInGraph(pos, axisPos, this);
}
else {
parentZone->notifyMouseLeaveGraph(this);
}
}
else {
qCWarning(LOG_VisualizationGraphWidget()) << "onMouseMove: No parent zone widget";
}
}
void VisualizationGraphWidget::onMouseDoubleClick(QMouseEvent *event) noexcept
{
impl->m_RenderingDelegate->onMouseDoubleClick(event);
}
void VisualizationGraphWidget::onMouseMove(QMouseEvent *event) noexcept
{
// Handles plot rendering when mouse is moving
impl->m_RenderingDelegate->onMouseMove(event);
auto axisPos = impl->posToAxisPos(event->pos(), plot());
// Zoom box and zone drawing
if (impl->m_DrawingZoomRect) {
impl->m_DrawingZoomRect->bottomRight->setCoords(axisPos);
}
else if (impl->m_DrawingZone) {
impl->m_DrawingZone->setEnd(axisPos.x());
}
// Cursor
if (auto parentZone = parentZoneWidget()) {
if (impl->pointIsInAxisRect(axisPos, plot())) {
parentZone->notifyMouseMoveInGraph(event->pos(), axisPos, this);
}
else {
parentZone->notifyMouseLeaveGraph(this);
}
}
else {
qCWarning(LOG_VisualizationGraphWidget()) << "onMouseMove: No parent zone widget";
}
// Search for the selection zone under the mouse
auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos(), plot());
if (selectionZoneItemUnderCursor && !impl->m_DrawingZone
&& sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones) {
// Sets the appropriate cursor shape
auto cursorShape = selectionZoneItemUnderCursor->curshorShapeForPosition(event->pos());
setCursor(cursorShape);
// Manages the hovered zone
if (selectionZoneItemUnderCursor != impl->m_HoveredZone) {
if (impl->m_HoveredZone) {
impl->m_HoveredZone->setHovered(false);
}
selectionZoneItemUnderCursor->setHovered(true);
impl->m_HoveredZone = selectionZoneItemUnderCursor;
plot().replot(QCustomPlot::rpQueuedReplot);
}
}
else {
// There is no zone under the mouse or the interaction mode is not "selection zones"
if (impl->m_HoveredZone) {
impl->m_HoveredZone->setHovered(false);
impl->m_HoveredZone = nullptr;
}
setCursor(Qt::ArrowCursor);
}
impl->m_HasMovedMouse = true;
VisualizationDragWidget::mouseMoveEvent(event);
}
void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept
{
auto value = event->angleDelta().x() + event->angleDelta().y();
if (value != 0) {
auto direction = value > 0 ? 1.0 : -1.0;
auto isZoomX = event->modifiers().testFlag(HORIZONTAL_ZOOM_MODIFIER);
auto isZoomY = event->modifiers().testFlag(VERTICAL_ZOOM_MODIFIER);
impl->m_IsCalibration = event->modifiers().testFlag(VERTICAL_PAN_MODIFIER);
auto zoomOrientations = QFlags<Qt::Orientation>{};
zoomOrientations.setFlag(Qt::Horizontal, isZoomX);
zoomOrientations.setFlag(Qt::Vertical, isZoomY);
ui->widget->axisRect()->setRangeZoom(zoomOrientations);
if (!isZoomX && !isZoomY) {
auto axis = plot().axisRect()->axis(QCPAxis::atBottom);
auto diff = direction * (axis->range().size() * (PAN_SPEED / 100.0));
axis->setRange(axis->range() + diff);
if (plot().noAntialiasingOnDrag()) {
plot().setNotAntialiasedElements(QCP::aeAll);
}
plot().replot(QCustomPlot::rpQueuedReplot);
}
}
}
void VisualizationGraphWidget::onMousePress(QMouseEvent *event) noexcept
{
auto isDragDropClick = event->modifiers().testFlag(DRAG_DROP_MODIFIER);
auto isSelectionZoneMode
= sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones;
auto isLeftClick = event->buttons().testFlag(Qt::LeftButton);
if (!isDragDropClick && isLeftClick) {
if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::ZoomBox) {
// Starts a zoom box
impl->startDrawingRect(event->pos(), plot());
}
else if (isSelectionZoneMode && impl->m_DrawingZone == nullptr) {
// Starts a new selection zone
auto zoneAtPos = impl->selectionZoneAt(event->pos(), plot());
if (!zoneAtPos) {
impl->startDrawingZone(event->pos(), this);
}
}
}
// Allows mouse panning only in default mode
plot().setInteraction(QCP::iRangeDrag, sqpApp->plotsInteractionMode()
== SqpApplication::PlotsInteractionMode::None
&& !isDragDropClick);
// Allows zone edition only in selection zone mode without drag&drop
impl->setSelectionZonesEditionEnabled(isSelectionZoneMode && !isDragDropClick);
// Selection / Deselection
if (isSelectionZoneMode) {
auto isMultiSelectionClick = event->modifiers().testFlag(MULTI_ZONE_SELECTION_MODIFIER);
auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos(), plot());
if (selectionZoneItemUnderCursor && !selectionZoneItemUnderCursor->selected()
&& !isMultiSelectionClick) {
parentVisualizationWidget()->selectionZoneManager().select(
{selectionZoneItemUnderCursor});
}
else if (!selectionZoneItemUnderCursor && !isMultiSelectionClick && isLeftClick) {
parentVisualizationWidget()->selectionZoneManager().clearSelection();
}
else {
// No selection change
}
if (selectionZoneItemUnderCursor && isLeftClick) {
selectionZoneItemUnderCursor->setAssociatedEditedZones(
parentVisualizationWidget()->selectionZoneManager().selectedItems());
}
}
impl->m_HasMovedMouse = false;
VisualizationDragWidget::mousePressEvent(event);
}
void VisualizationGraphWidget::onMouseRelease(QMouseEvent *event) noexcept
{
if (impl->m_DrawingZoomRect) {
auto axisX = plot().axisRect()->axis(QCPAxis::atBottom);
auto axisY = plot().axisRect()->axis(QCPAxis::atLeft);
auto newAxisXRange = QCPRange{impl->m_DrawingZoomRect->topLeft->coords().x(),
impl->m_DrawingZoomRect->bottomRight->coords().x()};
auto newAxisYRange = QCPRange{impl->m_DrawingZoomRect->topLeft->coords().y(),
impl->m_DrawingZoomRect->bottomRight->coords().y()};
impl->removeDrawingRect(plot());
if (newAxisXRange.size() > axisX->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)
&& newAxisYRange.size() > axisY->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)) {
impl->m_ZoomStack.push(qMakePair(axisX->range(), axisY->range()));
axisX->setRange(newAxisXRange);
axisY->setRange(newAxisYRange);
plot().replot(QCustomPlot::rpQueuedReplot);
}
}
impl->endDrawingZone(this);
impl->m_IsCalibration = false;
// Selection / Deselection
auto isSelectionZoneMode
= sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones;
if (isSelectionZoneMode) {
auto isMultiSelectionClick = event->modifiers().testFlag(MULTI_ZONE_SELECTION_MODIFIER);
auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos(), plot());
if (selectionZoneItemUnderCursor && event->button() == Qt::LeftButton
&& !impl->m_HasMovedMouse) {
auto zonesUnderCursor = impl->selectionZonesAt(event->pos(), plot());
if (zonesUnderCursor.count() > 1) {
// There are multiple zones under the mouse.
// Performs the selection with a selection dialog.
VisualizationMultiZoneSelectionDialog dialog{this};
dialog.setZones(zonesUnderCursor);
dialog.move(mapToGlobal(event->pos() - QPoint(dialog.width() / 2, 20)));
dialog.activateWindow();
dialog.raise();
if (dialog.exec() == QDialog::Accepted) {
auto selection = dialog.selectedZones();
if (!isMultiSelectionClick) {
parentVisualizationWidget()->selectionZoneManager().clearSelection();
}
for (auto it = selection.cbegin(); it != selection.cend(); ++it) {
auto zone = it.key();
auto isSelected = it.value();
parentVisualizationWidget()->selectionZoneManager().setSelected(zone,
isSelected);
if (isSelected) {
// Puts the zone on top of the stack so it can be moved or resized
impl->moveSelectionZoneOnTop(zone, plot());
}
}
}
}
else {
if (!isMultiSelectionClick) {
parentVisualizationWidget()->selectionZoneManager().select(
{selectionZoneItemUnderCursor});
impl->moveSelectionZoneOnTop(selectionZoneItemUnderCursor, plot());
}
else {
parentVisualizationWidget()->selectionZoneManager().setSelected(
selectionZoneItemUnderCursor, !selectionZoneItemUnderCursor->selected()
|| event->button() == Qt::RightButton);
}
}
}
else {
// No selection change
}
}
}
void VisualizationGraphWidget::onDataCacheVariableUpdated()
{
auto graphRange = ui->widget->xAxis->range();
auto dateTime = SqpRange{graphRange.lower, graphRange.upper};
for (auto &variableEntry : impl->m_VariableToPlotMultiMap) {
auto variable = variableEntry.first;
qCDebug(LOG_VisualizationGraphWidget())
<< "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated S" << variable->range();
qCDebug(LOG_VisualizationGraphWidget())
<< "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated E" << dateTime;
if (dateTime.contains(variable->range()) || dateTime.intersect(variable->range())) {
impl->updateData(variableEntry.second, variable->dataSeries(), variable->range());
}
}
}
void VisualizationGraphWidget::onUpdateVarDisplaying(std::shared_ptr<Variable> variable,
const SqpRange &range)
{
auto it = impl->m_VariableToPlotMultiMap.find(variable);
if (it != impl->m_VariableToPlotMultiMap.end()) {
impl->updateData(it->second, variable->dataSeries(), range);
}
}