QmlProfiler: propagate selections from trace to event view by typeId

This is faster and more accurate than propagating by source location.

Change-Id: I6aed3b1591380b49dd7c56a66bdc35912570e347
Task-number: QTCREATORBUG-12932
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

src/plugins/qmlprofiler/qml/MainView.qml

@@ -45,6 +45,7 @@ Rectangle {
     property string fileName: ""
     property int lineNumber: -1
     property int columnNumber: 0
+    property int typeId: -1
 
     property bool selectionRangeMode: false
 
@@ -96,7 +97,6 @@ Rectangle {
             root.fileName = file;
             root.lineNumber = line;
             root.columnNumber = column;
-            root.updateCursorPosition();
         }
     }
 
@@ -374,6 +374,9 @@ Rectangle {
                                                                            view.selectedItem);
                         gotoSourceLocation(eventLocation.file, eventLocation.line,
                                            eventLocation.column);
+                        root.typeId = qmlProfilerModelProxy.typeId(view.selectedModel,
+                                                                   view.selectedItem);
+                        root.updateCursorPosition();
                         lockItemSelection = false;
                     }
                 } else {
@@ -385,6 +388,8 @@ Rectangle {
                 var location = qmlProfilerModelProxy.location(modelIndex, pressedItem);
                 if (location.hasOwnProperty("file")) // not empty
                     root.gotoSourceLocation(location.file, location.line, location.column);
+                root.typeId = qmlProfilerModelProxy.typeId(modelIndex, pressedItem);
+                root.updateCursorPosition();
             }
 
          // hack to pass mouse events to the other mousearea if enabled

src/plugins/qmlprofiler/qmlprofilereventview.cpp

@@ -312,7 +312,7 @@ void QmlProfilerEventsWidget::copyRowToClipboard() const
     d->m_eventTree->copyRowToClipboard();
 }
 
-void QmlProfilerEventsWidget::updateSelectedEvent(int typeIndex) const
+void QmlProfilerEventsWidget::selectByTypeId(int typeIndex) const
 {
     if (d->m_eventTree->selectedTypeId() != typeIndex)
         d->m_eventTree->selectType(typeIndex);

src/plugins/qmlprofiler/qmlprofilereventview.h

@@ -89,7 +89,7 @@ signals:
     void resized();
 
 public slots:
-    void updateSelectedEvent(int typeIndex) const;
+    void selectByTypeId(int typeIndex) const;
     void selectBySourceLocation(const QString &filename, int line, int column);
 
 private slots:

src/plugins/qmlprofiler/qmlprofilertraceview.cpp

@@ -296,9 +296,12 @@ void QmlProfilerTraceView::selectBySourceLocation(const QString &filename, int l
 void QmlProfilerTraceView::updateCursorPosition()
 {
     QQuickItem *rootObject = d->m_mainView->rootObject();
-    emit gotoSourceLocation(rootObject->property("fileName").toString(),
-                            rootObject->property("lineNumber").toInt(),
-                            rootObject->property("columnNumber").toInt());
+    QString file = rootObject->property("fileName").toString();
+    if (!file.isEmpty())
+        emit gotoSourceLocation(file, rootObject->property("lineNumber").toInt(),
+                                rootObject->property("columnNumber").toInt());
+
+    emit typeSelected(rootObject->property("typeId").toInt());
 }
 
 ////////////////////////////////////////////////////////

src/plugins/qmlprofiler/qmlprofilertraceview.h

@@ -118,7 +118,7 @@ protected:
 
 signals:
     void gotoSourceLocation(const QString &fileUrl, int lineNumber, int columNumber);
-    void eventSelectedByHash(const QString &hash);
+    void typeSelected(int typeId);
     void resized();
 
 private:

src/plugins/qmlprofiler/qmlprofilerviewmanager.cpp

@@ -108,8 +108,7 @@ void QmlProfilerViewManager::createViews()
     connect(d->eventsView, SIGNAL(gotoSourceLocation(QString,int,int)), this,
             SIGNAL(gotoSourceLocation(QString,int,int)));
     connect(d->eventsView, SIGNAL(typeSelected(int)), d->traceView, SLOT(selectByTypeId(int)));
-    connect(d->traceView, SIGNAL(gotoSourceLocation(QString,int,int)),
-            d->eventsView, SLOT(selectBySourceLocation(QString,int,int)));
+    connect(d->traceView, SIGNAL(typeSelected(int)), d->eventsView, SLOT(selectByTypeId(int)));
 
     d->v8profilerView = new QV8ProfilerEventsWidget(mw, d->profilerTool, this,
                                                     d->profilerModelManager);

src/plugins/qmlprofiler/sortedtimelinemodel.h

@@ -66,6 +66,7 @@ public:
     qint64 duration(int index) const { return ranges[index].duration; }
     qint64 startTime(int index) const { return ranges[index].start; }
     qint64 endTime(int index) const { return ranges[index].start + ranges[index].duration; }
+    int typeId(int index) const { return ranges[index].typeId; }
 
     inline qint64 lastEndTime() const { return endTimes.last().end; }
     inline qint64 firstStartTime() const { return ranges.first().start; }

src/plugins/qmlprofiler/timelinemodelaggregator.cpp

@@ -228,6 +228,11 @@ int TimelineModelAggregator::selectionId(int modelIndex, int index) const
     return d->modelList[modelIndex]->selectionId(index);
 }
 
+int TimelineModelAggregator::typeId(int modelIndex, int index) const
+{
+    return d->modelList[modelIndex]->typeId(index);
+}
+
 int TimelineModelAggregator::bindingLoopDest(int modelIndex,int index) const
 {
     return d->modelList[modelIndex]->bindingLoopDest(index);

src/plugins/qmlprofiler/timelinemodelaggregator.h

@@ -85,6 +85,7 @@ public:
     Q_INVOKABLE qint64 startTime(int modelIndex, int index) const;
     Q_INVOKABLE qint64 endTime(int modelIndex, int index) const;
     Q_INVOKABLE int selectionId(int modelIndex, int index) const;
+    Q_INVOKABLE int typeId(int modelIndex, int index) const;
     Q_INVOKABLE int bindingLoopDest(int modelIndex, int index) const;
     Q_INVOKABLE QColor color(int modelIndex, int index) const;
     Q_INVOKABLE float relativeHeight(int modelIndex, int index) const;