# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2016-04-03 14:53:24
# Node ID 110ac52a689451e7eb86cc5e0a7a44199a06ae92
# Parent  ba9c69189b81c7504f277ecefddb3ae9eadd2508

added legend (channel names) to snapshot view

diff --git a/src/snapshot.cpp b/src/snapshot.cpp
--- a/src/snapshot.cpp
+++ b/src/snapshot.cpp
@@ -92,6 +92,16 @@ void Snapshot::setName(QString name)
     emit nameChanged(this);
 }
 
+void Snapshot::setChannelNames(QStringList names)
+{
+    _channelNames = names;
+}
+
+QString Snapshot::channelName(unsigned channel)
+{
+    return _channelNames[channel];
+}
+
 void Snapshot::save(QString fileName)
 {
     // TODO: remove code duplication (MainWindow::onExportCsv)
diff --git a/src/snapshot.h b/src/snapshot.h
--- a/src/snapshot.h
+++ b/src/snapshot.h
@@ -25,6 +25,7 @@
 #include <QAction>
 #include <QVector>
 #include <QString>
+#include <QStringList>
 
 class SnapshotView;
 
@@ -42,6 +43,8 @@ public:
 
     QString name();
     void setName(QString name);
+    void setChannelNames(QStringList names); // must be called when setting data!
+    QString channelName(unsigned channel);
 
     void save(QString fileName); /// save snapshot data as CSV
 
@@ -51,6 +54,7 @@ signals:
 
 private:
     QString _name;
+    QStringList _channelNames;
     QAction _showAction;
     QAction _deleteAction;
     QMainWindow* mainWindow;
diff --git a/src/snapshotmanager.cpp b/src/snapshotmanager.cpp
--- a/src/snapshotmanager.cpp
+++ b/src/snapshotmanager.cpp
@@ -76,6 +76,7 @@ void SnapshotManager::takeSnapshot()
             snapshot->data[ci][i] = QPointF(i, _channelMan->channelBuffer(ci)->sample(i));
         }
     }
+    snapshot->setChannelNames(_channelMan->channelNames()->stringList());
 
     addSnapshot(snapshot);
 }
diff --git a/src/snapshotview.cpp b/src/snapshotview.cpp
--- a/src/snapshotview.cpp
+++ b/src/snapshotview.cpp
@@ -35,7 +35,7 @@ SnapshotView::SnapshotView(QWidget *pare
 
     for (unsigned ci = 0; ci < numOfChannels; ci++)
     {
-        QwtPlotCurve* curve = new QwtPlotCurve();
+        QwtPlotCurve* curve = new QwtPlotCurve(snapshot->channelName(ci));
         curves.append(curve);
         curve->setSamples(snapshot->data[ci]);
         curve->setPen(Plot::makeColor(ci));