##// END OF EJS Templates
HG_REPOSITORIES » LPP » SciQLOP_Repos » SciQLop
RSS
All the codebase is modified to build with new Variable Controller...
All the codebase is modified to build with new Variable Controller it only builds now there won't be any data update most of the code is broken now ¯\_(ツ)_/¯ Signed-off-by: Alexis Jeandet <alexis.jeandet@member.fsf.org>
jeandet - - Load All Authors

File last commit:

r1348:ea7d1a66f4ab
r1348:ea7d1a66f4ab
Show More
VisualizationGraphWidget.cpp
1083 lines | 39.3 KiB | text/x-c | CppLexer
/ gui / src / Visualization / VisualizationGraphWidget.cpp
History | Annotation | Raw |Copy content |Copy permalink
#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 <Actions/FilteringAction.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_Flags{GraphFlag::EnableAll},
m_IsCalibration{false},
m_RenderingDelegate{nullptr}
{
}
void updateData(PlottablesMap &plottables, std::shared_ptr<Variable> variable,
const DateTimeRange &range)
{
VisualizationGraphHelper::updateData(plottables, variable, 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;
GraphFlags m_Flags;
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
bool m_VariableAutoRangeOnInit = true;
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);
//@TODO implement this :)
// connect(this, &VisualizationGraphWidget::requestDataLoading, &sqpApp->variableController(),
// &VariableController::onRequestDataLoading);
// connect(&sqpApp->variableController(), &VariableController2::updateVarDisplaying, this,
// &VisualizationGraphWidget::onUpdateVarDisplaying);
// Necessary for all platform since Qt::AA_EnableHighDpiScaling is enable.
plot().setPlottingHint(QCP::phFastPolylines, true);
}
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::setFlags(GraphFlags flags)
{
impl->m_Flags = std::move(flags);
}
void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable, DateTimeRange range)
{
/// Lambda used to set graph's units and range according to the variable passed in parameter
auto loadRange = [this](std::shared_ptr<Variable> variable, const DateTimeRange &range) {
impl->m_RenderingDelegate->setAxesUnits(*variable);
this->setFlags(GraphFlag::DisableAll);
setGraphRange(range);
this->setFlags(GraphFlag::EnableAll);
emit requestDataLoading({variable}, range, false);
};
connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated()));
// Calls update of graph's range and units when the data of the variable have been initialized.
// Note: we use QueuedConnection here as the update event must be called in the UI thread
connect(variable.get(), &Variable::dataInitialized, this,
[ varW = std::weak_ptr<Variable>{variable}, range, loadRange, this ]() {
if (auto var = varW.lock()) {
// If the variable is the first added in the graph, we load its range
auto firstVariableInGraph = range == INVALID_RANGE;
auto loadedRange = graphRange();
if (impl->m_VariableAutoRangeOnInit) {
loadedRange = firstVariableInGraph ? var->range() : range;
}
loadRange(var, loadedRange);
setYRange(var);
}
},
Qt::QueuedConnection);
// Uses delegate to create the qcpplot components according to the variable
auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget);
// Sets graph properties
impl->m_RenderingDelegate->setGraphProperties(*variable, createdPlottables);
impl->m_VariableToPlotMultiMap.insert({variable, std::move(createdPlottables)});
// If the variable already has its data loaded, load its units and its range in the graph
if (variable->dataSeries() != nullptr) {
loadRange(variable, range);
}
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();
}
std::vector<std::shared_ptr<Variable> > VisualizationGraphWidget::variables() const
{
auto variables = std::vector<std::shared_ptr<Variable> >{};
for (auto it = std::cbegin(impl->m_VariableToPlotMultiMap);
it != std::cend(impl->m_VariableToPlotMultiMap); ++it) {
variables.push_back (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);
}
DateTimeRange VisualizationGraphWidget::graphRange() const noexcept
{
auto graphRange = ui->widget->xAxis->range();
return DateTimeRange{graphRange.lower, graphRange.upper};
}
void VisualizationGraphWidget::setGraphRange(const DateTimeRange &range, bool calibration)
{
qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange START");
if (calibration) {
impl->m_IsCalibration = true;
}
ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd);
ui->widget->replot();
if (calibration) {
impl->m_IsCalibration = false;
}
qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange END");
}
void VisualizationGraphWidget::setAutoRangeOnVariableInitialization(bool value)
{
impl->m_VariableAutoRangeOnInit = value;
}
QVector<DateTimeRange> VisualizationGraphWidget::selectionZoneRanges() const
{
QVector<DateTimeRange> ranges;
for (auto zone : impl->m_SelectionZones) {
ranges << zone->range();
}
return ranges;
}
void VisualizationGraphWidget::addSelectionZones(const QVector<DateTimeRange> &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);
}
VisualizationSelectionZoneItem *VisualizationGraphWidget::addSelectionZone(const QString &name,
const DateTimeRange &range)
{
// note: ownership is transfered to QCustomPlot
auto zone = new VisualizationSelectionZoneItem(&plot());
zone->setName(name);
zone->setRange(range.m_TStart, range.m_TEnd);
impl->addSelectionZone(zone);
plot().replot(QCustomPlot::rpQueuedReplot);
return zone;
}
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);
for (auto i : impl->m_SelectionZones) {
parentVisualizationWidget()->selectionZoneManager().setSelected(i, false);
}
// 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;
QHash<QString, FilteringAction *> filteredMenu;
for (auto zoneAction : zoneActions) {
auto isEnabled = zoneAction->isEnabled(selectedItems);
auto menu = &graphMenu;
QString menuPath;
for (auto subMenuName : zoneAction->subMenuList()) {
menuPath += '/';
menuPath += subMenuName;
if (!subMenus.contains(menuPath)) {
menu = menu->addMenu(subMenuName);
subMenus[menuPath] = menu;
subMenusEnabled[menuPath] = isEnabled;
}
else {
menu = subMenus.value(menuPath);
if (isEnabled) {
// The sub menu is enabled if at least one of its actions is enabled
subMenusEnabled[menuPath] = true;
}
}
}
FilteringAction *filterAction = nullptr;
if (sqpApp->actionsGuiController().isMenuFiltered(zoneAction->subMenuList())) {
filterAction = filteredMenu.value(menuPath);
if (!filterAction) {
filterAction = new FilteringAction{this};
filteredMenu[menuPath] = filterAction;
menu->addAction(filterAction);
}
}
auto action = menu->addAction(zoneAction->name());
action->setEnabled(isEnabled);
action->setShortcut(zoneAction->displayedShortcut());
QObject::connect(action, &QAction::triggered,
[zoneAction, selectedItems]() { zoneAction->execute(selectedItems); });
if (filterAction && zoneAction->isFilteringAllowed()) {
filterAction->addActionToFilter(action);
}
}
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_Flags.testFlag(GraphFlag::EnableAcquisition);
auto graphRange = DateTimeRange{t1.lower, t1.upper};
auto oldGraphRange = DateTimeRange{t2.lower, t2.upper};
if (impl->m_Flags.testFlag(GraphFlag::EnableAcquisition)) {
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_Flags.testFlag(GraphFlag::EnableSynchronization) && !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";
}
// Quits calibration
impl->m_IsCalibration = false;
}
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
{
// Processes event only if the wheel occurs on axis rect
if (!dynamic_cast<QCPAxisRect *>(ui->widget->layoutElementAt(event->posF()))) {
return;
}
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);
// 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 = DateTimeRange{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, variable->range());
}
}
}
void VisualizationGraphWidget::onUpdateVarDisplaying(std::shared_ptr<Variable> variable,
const DateTimeRange &range)
{
auto it = impl->m_VariableToPlotMultiMap.find(variable);
if (it != impl->m_VariableToPlotMultiMap.end()) {
impl->updateData(it->second, variable, range);
}
}