# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2017-02-14 09:42:52
# Node ID e70ba1409177c98d2d5467832a413d2689089edb
# Parent  e0c6c43cbcf5d96de660d5728e83868336d46ba1

added checkbox to disable write buffering

diff --git a/src/abstractreader.cpp b/src/abstractreader.cpp
--- a/src/abstractreader.cpp
+++ b/src/abstractreader.cpp
@@ -19,8 +19,6 @@
 
 #include "abstractreader.h"
 
-#include <QtDebug>
-
 AbstractReader::AbstractReader(QIODevice* device, ChannelManager* channelMan,
                                DataRecorder* recorder, QObject* parent) :
     QObject(parent)
@@ -56,7 +54,6 @@ void AbstractReader::addData(double* sam
     if (recording)
     {
         _recorder->addData(samples, length, numOfChannels());
-        qDebug() << "adding data";
     }
     sampleCount += length;
 }
diff --git a/src/datarecorder.cpp b/src/datarecorder.cpp
--- a/src/datarecorder.cpp
+++ b/src/datarecorder.cpp
@@ -26,6 +26,7 @@ DataRecorder::DataRecorder(QObject *pare
     fileStream(&file)
 {
     lastNumChannels = 0;
+    disableBuffering = false;
 }
 
 bool DataRecorder::startRecording(QString fileName, QStringList channelNames)
@@ -74,6 +75,8 @@ void DataRecorder::addData(double* data,
         }
         fileStream << '\n';
     }
+
+    if (disableBuffering) fileStream.flush();
 }
 
 void DataRecorder::stopRecording()
diff --git a/src/datarecorder.h b/src/datarecorder.h
--- a/src/datarecorder.h
+++ b/src/datarecorder.h
@@ -30,6 +30,9 @@ class DataRecorder : public QObject
 public:
     explicit DataRecorder(QObject *parent = 0);
 
+    /// Disables file buffering
+    bool disableBuffering;
+
     /**
      * @brief Starts recording data to a file in CSV format.
      *
diff --git a/src/recordpanel.cpp b/src/recordpanel.cpp
--- a/src/recordpanel.cpp
+++ b/src/recordpanel.cpp
@@ -53,6 +53,12 @@ RecordPanel::RecordPanel(DataRecorder* r
 
     connect(ui->cbRecordPaused, SIGNAL(toggled(bool)),
             this, SIGNAL(recordPausedChanged(bool)));
+
+    connect(ui->cbDisableBuffering, &QCheckBox::toggled,
+            [this](bool enabled)
+            {
+                _recorder->disableBuffering = enabled;
+            });
 }
 
 RecordPanel::~RecordPanel()
diff --git a/src/recordpanel.ui b/src/recordpanel.ui
--- a/src/recordpanel.ui
+++ b/src/recordpanel.ui
@@ -80,6 +80,16 @@
       </widget>
      </item>
      <item>
+      <widget class="QCheckBox" name="cbDisableBuffering">
+       <property name="toolTip">
+        <string>Do not buffer when writing to file. Check this if you are using other software to open the file during recording.</string>
+       </property>
+       <property name="text">
+        <string>Disable buffering</string>
+       </property>
+      </widget>
+     </item>
+     <item>
       <spacer name="verticalSpacer">
        <property name="orientation">
         <enum>Qt::Vertical</enum>