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Calls 'close graph' action when selecting close item in overlay
Alexandre Leroux -
r668:b6674f74bf0c
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1 1 #include "Visualization/VisualizationGraphRenderingDelegate.h"
2 2 #include "Visualization/VisualizationGraphWidget.h"
3 3 #include "Visualization/qcustomplot.h"
4 4
5 5 #include <Common/DateUtils.h>
6 6
7 7 #include <SqpApplication.h>
8 8
9 9 namespace {
10 10
11 11 const auto DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd hh:mm:ss:zzz");
12 12
13 13 /// Name of the overlay layer in QCustomPlot
14 14 const auto OVERLAY_LAYER = QStringLiteral("overlay");
15 15
16 16 const auto TOOLTIP_FORMAT = QStringLiteral("key: %1\nvalue: %2");
17 17
18 18 /// Offset used to shift the tooltip of the mouse
19 19 const auto TOOLTIP_OFFSET = QPoint{20, 20};
20 20
21 21 /// Tooltip display rectangle (the tooltip is hidden when the mouse leaves this rectangle)
22 22 const auto TOOLTIP_RECT = QRect{10, 10, 10, 10};
23 23
24 24 /// Timeout after which the tooltip is displayed
25 25 const auto TOOLTIP_TIMEOUT = 500;
26 26
27 27 /// Formats a data value according to the axis on which it is present
28 28 QString formatValue(double value, const QCPAxis &axis)
29 29 {
30 30 // If the axis is a time axis, formats the value as a date
31 31 if (auto axisTicker = qSharedPointerDynamicCast<QCPAxisTickerDateTime>(axis.ticker())) {
32 32 return DateUtils::dateTime(value, axisTicker->dateTimeSpec()).toString(DATETIME_FORMAT);
33 33 }
34 34 else {
35 35 return QString::number(value);
36 36 }
37 37 }
38 38
39 39 void initPointTracerStyle(QCPItemTracer &tracer) noexcept
40 40 {
41 41 tracer.setInterpolating(false);
42 42 tracer.setStyle(QCPItemTracer::tsCircle);
43 43 tracer.setSize(3);
44 44 tracer.setPen(QPen(Qt::black));
45 45 tracer.setBrush(Qt::black);
46 46 }
47 47
48 48 void initClosePixmapStyle(QCPItemPixmap &pixmap) noexcept
49 49 {
50 50 // Icon
51 51 pixmap.setPixmap(
52 52 sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton).pixmap(QSize{16, 16}));
53 53
54 54 // Position
55 55 pixmap.topLeft->setType(QCPItemPosition::ptAxisRectRatio);
56 56 pixmap.topLeft->setCoords(1, 0);
57 57 pixmap.setClipToAxisRect(false);
58 58
59 59 // Can be selected
60 60 pixmap.setSelectable(true);
61 61 }
62 62
63 63 void initTitleTextStyle(QCPItemText &text) noexcept
64 64 {
65 65 // Font and background styles
66 66 text.setColor(Qt::gray);
67 67 text.setBrush(Qt::white);
68 68
69 69 // Position
70 70 text.setPositionAlignment(Qt::AlignTop | Qt::AlignLeft);
71 71 text.position->setType(QCPItemPosition::ptAxisRectRatio);
72 72 text.position->setCoords(0.5, 0);
73 73 }
74 74
75 75 } // namespace
76 76
77 77 struct VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegatePrivate {
78 78 explicit VisualizationGraphRenderingDelegatePrivate(VisualizationGraphWidget &graphWidget)
79 79 : m_Plot{graphWidget.plot()},
80 80 m_PointTracer{new QCPItemTracer{&m_Plot}},
81 81 m_TracerTimer{},
82 82 m_ClosePixmap{new QCPItemPixmap{&m_Plot}},
83 83 m_TitleText{new QCPItemText{&m_Plot}}
84 84 {
85 85 initPointTracerStyle(*m_PointTracer);
86 86
87 87 m_TracerTimer.setInterval(TOOLTIP_TIMEOUT);
88 88 m_TracerTimer.setSingleShot(true);
89 89
90 90 // Inits "close button" in plot overlay
91 91 m_ClosePixmap->setLayer(OVERLAY_LAYER);
92 92 initClosePixmapStyle(*m_ClosePixmap);
93
94 // Connects pixmap selection to graph widget closing
95 QObject::connect(m_ClosePixmap, &QCPItemPixmap::selectionChanged,
96 [&graphWidget](bool selected) {
97 if (selected) {
98 graphWidget.close();
99 }
100 });
101
93 102 // Inits graph name in plot overlay
94 103 m_TitleText->setLayer(OVERLAY_LAYER);
95 104 m_TitleText->setText(graphWidget.name());
96 105 initTitleTextStyle(*m_TitleText);
97 106 }
98 107
99 108 QCustomPlot &m_Plot;
100 109 QCPItemTracer *m_PointTracer;
101 110 QTimer m_TracerTimer;
102 111 QCPItemPixmap *m_ClosePixmap; /// Graph's close button
103 112 QCPItemText *m_TitleText; /// Graph's title
104 113 };
105 114
106 115 VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegate(
107 116 VisualizationGraphWidget &graphWidget)
108 117 : impl{spimpl::make_unique_impl<VisualizationGraphRenderingDelegatePrivate>(graphWidget)}
109 118 {
110 119 }
111 120
112 121 void VisualizationGraphRenderingDelegate::onMouseMove(QMouseEvent *event) noexcept
113 122 {
114 123 // Cancels pending refresh
115 124 impl->m_TracerTimer.disconnect();
116 125
117 126 // Reinits tracers
118 127 impl->m_PointTracer->setGraph(nullptr);
119 128 impl->m_PointTracer->setVisible(false);
120 129 impl->m_Plot.replot();
121 130
122 131 // Gets the graph under the mouse position
123 132 auto eventPos = event->pos();
124 133 if (auto graph = qobject_cast<QCPGraph *>(impl->m_Plot.plottableAt(eventPos))) {
125 134 auto mouseKey = graph->keyAxis()->pixelToCoord(eventPos.x());
126 135 auto graphData = graph->data();
127 136
128 137 // Gets the closest data point to the mouse
129 138 auto graphDataIt = graphData->findBegin(mouseKey);
130 139 if (graphDataIt != graphData->constEnd()) {
131 140 auto key = formatValue(graphDataIt->key, *graph->keyAxis());
132 141 auto value = formatValue(graphDataIt->value, *graph->valueAxis());
133 142
134 143 // Displays point tracer
135 144 impl->m_PointTracer->setGraph(graph);
136 145 impl->m_PointTracer->setGraphKey(graphDataIt->key);
137 146 impl->m_PointTracer->setLayer(
138 147 impl->m_Plot.layer("main")); // Tracer is set on top of the plot's main layer
139 148 impl->m_PointTracer->setVisible(true);
140 149 impl->m_Plot.replot();
141 150
142 151 // Starts timer to show tooltip after timeout
143 152 auto showTooltip = [ tooltip = TOOLTIP_FORMAT.arg(key, value), eventPos, this ]()
144 153 {
145 154 QToolTip::showText(impl->m_Plot.mapToGlobal(eventPos) + TOOLTIP_OFFSET, tooltip,
146 155 &impl->m_Plot, TOOLTIP_RECT);
147 156 };
148 157
149 158 QObject::connect(&impl->m_TracerTimer, &QTimer::timeout, showTooltip);
150 159 impl->m_TracerTimer.start();
151 160 }
152 161 }
153 162 }
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@@ -1,318 +1,318
1 1 #include "Visualization/VisualizationGraphWidget.h"
2 2 #include "Visualization/IVisualizationWidgetVisitor.h"
3 3 #include "Visualization/VisualizationDefs.h"
4 4 #include "Visualization/VisualizationGraphHelper.h"
5 5 #include "Visualization/VisualizationGraphRenderingDelegate.h"
6 6 #include "ui_VisualizationGraphWidget.h"
7 7
8 8 #include <Data/ArrayData.h>
9 9 #include <Data/IDataSeries.h>
10 10 #include <Settings/SqpSettingsDefs.h>
11 11 #include <SqpApplication.h>
12 12 #include <Variable/Variable.h>
13 13 #include <Variable/VariableController.h>
14 14
15 15 #include <unordered_map>
16 16
17 17 Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget")
18 18
19 19 namespace {
20 20
21 21 /// Key pressed to enable zoom on horizontal axis
22 22 const auto HORIZONTAL_ZOOM_MODIFIER = Qt::NoModifier;
23 23
24 24 /// Key pressed to enable zoom on vertical axis
25 25 const auto VERTICAL_ZOOM_MODIFIER = Qt::ControlModifier;
26 26
27 27 } // namespace
28 28
29 29 struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate {
30 30
31 31 explicit VisualizationGraphWidgetPrivate(const QString &name)
32 32 : m_Name{name},
33 33 m_DoAcquisition{true},
34 34 m_IsCalibration{false},
35 35 m_RenderingDelegate{nullptr}
36 36 {
37 37 }
38 38
39 39 QString m_Name;
40 40 // 1 variable -> n qcpplot
41 41 std::map<std::shared_ptr<Variable>, PlottablesMap> m_VariableToPlotMultiMap;
42 42 bool m_DoAcquisition;
43 43 bool m_IsCalibration;
44 44 QCPItemTracer *m_TextTracer;
45 45 /// Delegate used to attach rendering features to the plot
46 46 std::unique_ptr<VisualizationGraphRenderingDelegate> m_RenderingDelegate;
47 47 };
48 48
49 49 VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent)
50 50 : QWidget{parent},
51 51 ui{new Ui::VisualizationGraphWidget},
52 52 impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>(name)}
53 53 {
54 54 ui->setupUi(this);
55 55
56 56 // 'Close' options : widget is deleted when closed
57 57 setAttribute(Qt::WA_DeleteOnClose);
58 58
59 59 // Set qcpplot properties :
60 60 // - Drag (on x-axis) and zoom are enabled
61 61 // - Mouse wheel on qcpplot is intercepted to determine the zoom orientation
62 ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
62 ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectItems);
63 63 ui->widget->axisRect()->setRangeDrag(Qt::Horizontal);
64 64
65 65 // The delegate must be initialized after the ui as it uses the plot
66 66 impl->m_RenderingDelegate = std::make_unique<VisualizationGraphRenderingDelegate>(*this);
67 67
68 68 connect(ui->widget, &QCustomPlot::mousePress, this, &VisualizationGraphWidget::onMousePress);
69 69 connect(ui->widget, &QCustomPlot::mouseRelease, this,
70 70 &VisualizationGraphWidget::onMouseRelease);
71 71 connect(ui->widget, &QCustomPlot::mouseMove, this, &VisualizationGraphWidget::onMouseMove);
72 72 connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel);
73 73 connect(ui->widget->xAxis, static_cast<void (QCPAxis::*)(const QCPRange &, const QCPRange &)>(
74 74 &QCPAxis::rangeChanged),
75 75 this, &VisualizationGraphWidget::onRangeChanged, Qt::DirectConnection);
76 76
77 77 // Activates menu when right clicking on the graph
78 78 ui->widget->setContextMenuPolicy(Qt::CustomContextMenu);
79 79 connect(ui->widget, &QCustomPlot::customContextMenuRequested, this,
80 80 &VisualizationGraphWidget::onGraphMenuRequested);
81 81
82 82 connect(this, &VisualizationGraphWidget::requestDataLoading, &sqpApp->variableController(),
83 83 &VariableController::onRequestDataLoading);
84 84
85 85 connect(&sqpApp->variableController(), &VariableController::updateVarDisplaying, this,
86 86 &VisualizationGraphWidget::onUpdateVarDisplaying);
87 87 }
88 88
89 89
90 90 VisualizationGraphWidget::~VisualizationGraphWidget()
91 91 {
92 92 delete ui;
93 93 }
94 94
95 95 void VisualizationGraphWidget::enableAcquisition(bool enable)
96 96 {
97 97 impl->m_DoAcquisition = enable;
98 98 }
99 99
100 100 void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable, SqpRange range)
101 101 {
102 102 // Uses delegate to create the qcpplot components according to the variable
103 103 auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget);
104 104 impl->m_VariableToPlotMultiMap.insert({variable, std::move(createdPlottables)});
105 105
106 106 connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated()));
107 107
108 108 auto varRange = variable->range();
109 109
110 110 this->enableAcquisition(false);
111 111 this->setGraphRange(range);
112 112 this->enableAcquisition(true);
113 113
114 114 emit requestDataLoading(QVector<std::shared_ptr<Variable> >() << variable, range, varRange,
115 115 false);
116 116
117 117 emit variableAdded(variable);
118 118 }
119 119
120 120 void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept
121 121 {
122 122 // Each component associated to the variable :
123 123 // - is removed from qcpplot (which deletes it)
124 124 // - is no longer referenced in the map
125 125 auto variableIt = impl->m_VariableToPlotMultiMap.find(variable);
126 126 if (variableIt != impl->m_VariableToPlotMultiMap.cend()) {
127 127 auto &plottablesMap = variableIt->second;
128 128
129 129 for (auto plottableIt = plottablesMap.cbegin(), plottableEnd = plottablesMap.cend();
130 130 plottableIt != plottableEnd;) {
131 131 ui->widget->removePlottable(plottableIt->second);
132 132 plottableIt = plottablesMap.erase(plottableIt);
133 133 }
134 134
135 135 impl->m_VariableToPlotMultiMap.erase(variableIt);
136 136 }
137 137
138 138 // Updates graph
139 139 ui->widget->replot();
140 140 }
141 141
142 142 void VisualizationGraphWidget::setRange(std::shared_ptr<Variable> variable, const SqpRange &range)
143 143 {
144 144 // Note: in case of different axes that depends on variable, we could start with a code like
145 145 // that:
146 146 // auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable);
147 147 // for (auto it = componentsIt.first; it != componentsIt.second;) {
148 148 // }
149 149 ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd);
150 150 ui->widget->replot();
151 151 }
152 152
153 153 void VisualizationGraphWidget::setYRange(const SqpRange &range)
154 154 {
155 155 ui->widget->yAxis->setRange(range.m_TStart, range.m_TEnd);
156 156 }
157 157
158 158 SqpRange VisualizationGraphWidget::graphRange() const noexcept
159 159 {
160 160 auto graphRange = ui->widget->xAxis->range();
161 161 return SqpRange{graphRange.lower, graphRange.upper};
162 162 }
163 163
164 164 void VisualizationGraphWidget::setGraphRange(const SqpRange &range)
165 165 {
166 166 qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange START");
167 167 ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd);
168 168 ui->widget->replot();
169 169 qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange END");
170 170 }
171 171
172 172 void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)
173 173 {
174 174 if (visitor) {
175 175 visitor->visit(this);
176 176 }
177 177 else {
178 178 qCCritical(LOG_VisualizationGraphWidget())
179 179 << tr("Can't visit widget : the visitor is null");
180 180 }
181 181 }
182 182
183 183 bool VisualizationGraphWidget::canDrop(const Variable &variable) const
184 184 {
185 185 /// @todo : for the moment, a graph can always accomodate a variable
186 186 Q_UNUSED(variable);
187 187 return true;
188 188 }
189 189
190 190 bool VisualizationGraphWidget::contains(const Variable &variable) const
191 191 {
192 192 // Finds the variable among the keys of the map
193 193 auto variablePtr = &variable;
194 194 auto findVariable
195 195 = [variablePtr](const auto &entry) { return variablePtr == entry.first.get(); };
196 196
197 197 auto end = impl->m_VariableToPlotMultiMap.cend();
198 198 auto it = std::find_if(impl->m_VariableToPlotMultiMap.cbegin(), end, findVariable);
199 199 return it != end;
200 200 }
201 201
202 202 QString VisualizationGraphWidget::name() const
203 203 {
204 204 return impl->m_Name;
205 205 }
206 206
207 207 QCustomPlot &VisualizationGraphWidget::plot() noexcept
208 208 {
209 209 return *ui->widget;
210 210 }
211 211
212 212 void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept
213 213 {
214 214 QMenu graphMenu{};
215 215
216 216 // Iterates on variables (unique keys)
217 217 for (auto it = impl->m_VariableToPlotMultiMap.cbegin(),
218 218 end = impl->m_VariableToPlotMultiMap.cend();
219 219 it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {
220 220 // 'Remove variable' action
221 221 graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()),
222 222 [ this, var = it->first ]() { removeVariable(var); });
223 223 }
224 224
225 225 if (!graphMenu.isEmpty()) {
226 226 graphMenu.exec(QCursor::pos());
227 227 }
228 228 }
229 229
230 230 void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange &t2)
231 231 {
232 232 qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: VisualizationGraphWidget::onRangeChanged")
233 233 << QThread::currentThread()->objectName() << "DoAcqui"
234 234 << impl->m_DoAcquisition;
235 235
236 236 auto graphRange = SqpRange{t1.lower, t1.upper};
237 237 auto oldGraphRange = SqpRange{t2.lower, t2.upper};
238 238
239 239 if (impl->m_DoAcquisition) {
240 240 QVector<std::shared_ptr<Variable> > variableUnderGraphVector;
241 241
242 242 for (auto it = impl->m_VariableToPlotMultiMap.begin(),
243 243 end = impl->m_VariableToPlotMultiMap.end();
244 244 it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {
245 245 variableUnderGraphVector.push_back(it->first);
246 246 }
247 247 emit requestDataLoading(std::move(variableUnderGraphVector), graphRange, oldGraphRange,
248 248 !impl->m_IsCalibration);
249 249
250 250 if (!impl->m_IsCalibration) {
251 251 qCDebug(LOG_VisualizationGraphWidget())
252 252 << tr("TORM: VisualizationGraphWidget::Synchronize notify !!")
253 253 << QThread::currentThread()->objectName() << graphRange << oldGraphRange;
254 254 emit synchronize(graphRange, oldGraphRange);
255 255 }
256 256 }
257 257 }
258 258
259 259 void VisualizationGraphWidget::onMouseMove(QMouseEvent *event) noexcept
260 260 {
261 261 // Handles plot rendering when mouse is moving
262 262 impl->m_RenderingDelegate->onMouseMove(event);
263 263 }
264 264
265 265 void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept
266 266 {
267 267 auto zoomOrientations = QFlags<Qt::Orientation>{};
268 268
269 269 // Lambda that enables a zoom orientation if the key modifier related to this orientation
270 270 // has
271 271 // been pressed
272 272 auto enableOrientation
273 273 = [&zoomOrientations, event](const auto &orientation, const auto &modifier) {
274 274 auto orientationEnabled = event->modifiers().testFlag(modifier);
275 275 zoomOrientations.setFlag(orientation, orientationEnabled);
276 276 };
277 277 enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER);
278 278 enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER);
279 279
280 280 ui->widget->axisRect()->setRangeZoom(zoomOrientations);
281 281 }
282 282
283 283 void VisualizationGraphWidget::onMousePress(QMouseEvent *event) noexcept
284 284 {
285 285 impl->m_IsCalibration = event->modifiers().testFlag(Qt::ControlModifier);
286 286 }
287 287
288 288 void VisualizationGraphWidget::onMouseRelease(QMouseEvent *event) noexcept
289 289 {
290 290 impl->m_IsCalibration = false;
291 291 }
292 292
293 293 void VisualizationGraphWidget::onDataCacheVariableUpdated()
294 294 {
295 295 auto graphRange = ui->widget->xAxis->range();
296 296 auto dateTime = SqpRange{graphRange.lower, graphRange.upper};
297 297
298 298 for (auto &variableEntry : impl->m_VariableToPlotMultiMap) {
299 299 auto variable = variableEntry.first;
300 300 qCDebug(LOG_VisualizationGraphWidget())
301 301 << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated S" << variable->range();
302 302 qCDebug(LOG_VisualizationGraphWidget())
303 303 << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated E" << dateTime;
304 304 if (dateTime.contains(variable->range()) || dateTime.intersect(variable->range())) {
305 305 VisualizationGraphHelper::updateData(variableEntry.second, variable->dataSeries(),
306 306 variable->range());
307 307 }
308 308 }
309 309 }
310 310
311 311 void VisualizationGraphWidget::onUpdateVarDisplaying(std::shared_ptr<Variable> variable,
312 312 const SqpRange &range)
313 313 {
314 314 auto it = impl->m_VariableToPlotMultiMap.find(variable);
315 315 if (it != impl->m_VariableToPlotMultiMap.end()) {
316 316 VisualizationGraphHelper::updateData(it->second, variable->dataSeries(), range);
317 317 }
318 318 }
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