From 01f8b14e647efc20e59d23f9a2f73f3d3bffd622 Mon Sep 17 00:00:00 2001
From: Derek Christ <dchrist@rhrk.uni-kl.de>
Date: Mon, 25 Oct 2021 12:06:58 +0200
Subject: [PATCH] Navigate to tracetime when analysis plot is doubleclicked

---
 DRAMSys/traceAnalyzer/tracefiletab.cpp | 33 ++++++++++++++++++++++++++
 DRAMSys/traceAnalyzer/tracefiletab.h   |  7 ++++++
 2 files changed, 40 insertions(+)

diff --git a/DRAMSys/traceAnalyzer/tracefiletab.cpp b/DRAMSys/traceAnalyzer/tracefiletab.cpp
index e6368c31..0db0d23c 100644
--- a/DRAMSys/traceAnalyzer/tracefiletab.cpp
+++ b/DRAMSys/traceAnalyzer/tracefiletab.cpp
@@ -41,10 +41,12 @@
 #include "businessObjects/commentmodel.h"
 #include "businessObjects/configmodels.h"
 #include "businessObjects/pythoncaller.h"
+#include "businessObjects/tracetime.h"
 #include "presentation/traceselector.h"
 #include "qmessagebox.h"
 #include "queryeditor.h"
 #include "qwt_legend.h"
+#include "qwt_plot_canvas.h"
 #include "qwt_plot_curve.h"
 #include "qwt_plot_histogram.h"
 #include "qwt_plot_layout.h"
@@ -53,6 +55,7 @@
 #include "qwt_scale_draw.h"
 #include "qwt_scale_widget.h"
 #include "ui_tracefiletab.h"
+
 #include <QCloseEvent>
 #include <QDebug>
 #include <QFileDialog>
@@ -139,6 +142,10 @@ void TraceFileTab::initNavigatorAndItsDependentWidgets(QString path)
 
     ui->selectedTransactionTree->init(navigator);
     //ui->debugMessages->init(navigator,ui->traceplot);
+
+    ui->bandwidthPlot->canvas()->installEventFilter(this);
+    ui->powerPlot->canvas()->installEventFilter(this);
+    ui->bufferPlot->canvas()->installEventFilter(this);
 }
 
 void TraceFileTab::setUpFileWatcher(QString path)
@@ -298,6 +305,32 @@ void TraceFileTab::on_latencyTreeView_doubleClicked(const QModelIndex &index)
     }
 }
 
+bool TraceFileTab::eventFilter(QObject *object, QEvent *event)
+{
+    if (auto canvas = qobject_cast<QwtPlotCanvas *>(object))
+    {
+        if (event->type() == QEvent::MouseButtonDblClick)
+        {
+            QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
+
+            if (mouseEvent->button() != Qt::LeftButton)
+                return false;
+
+            QwtPlot *plot = canvas->plot();
+
+            double realTime = plot->invTransform(QwtPlot::xBottom, mouseEvent->x());
+
+            // Convert from seconds to picoseconds
+            traceTime time = realTime * 1000 * 1000 * 1000 * 1000;
+
+            navigator->navigateToTime(time);
+            return true;
+        }
+    }
+
+    return QWidget::eventFilter(object, event);
+}
+
 void TraceFileTab::on_startLatencyAnalysis_clicked()
 {
     // Setup Database:
diff --git a/DRAMSys/traceAnalyzer/tracefiletab.h b/DRAMSys/traceAnalyzer/tracefiletab.h
index fb4c9392..4fafc317 100644
--- a/DRAMSys/traceAnalyzer/tracefiletab.h
+++ b/DRAMSys/traceAnalyzer/tracefiletab.h
@@ -84,6 +84,13 @@ public:
 protected:
     void closeEvent(QCloseEvent *event) override;
 
+    /**
+     * Used to respond to double click events in the analysis
+     * plots to navigate quickly to the corresponding tracetime.
+     * May be moved into a seperate class at a later point in time.
+     */
+    bool eventFilter(QObject *object, QEvent *event) override;
+
 private:
     QString path;
     Ui::TraceFileTab *ui;