sign: Show streamStats byte stats only if user wants

By default stream stats window only shows packet counters, user can
toggle display of byte counters using context menu

client/ostinato.pro

@@ -58,6 +58,7 @@ HEADERS += \
     streamconfigdialog.h \
     streamlistdelegate.h \
     streammodel.h \
+    streamstatsfiltermodel.h \
     streamstatsmodel.h \
     streamstatswindow.h \
     variablefieldswidget.h

client/streamstatsfiltermodel.h

@@ -0,0 +1,50 @@
+/*
+Copyright (C) 2017 Srivats P.
+
+This file is part of "Ostinato"
+
+This is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+#ifndef _STREAM_STATS_FILTER_MODEL_H
+#define _STREAM_STATS_FILTER_MODEL_H
+
+#include <QSortFilterProxyModel>
+
+class StreamStatsFilterModel : public QSortFilterProxyModel
+{
+    Q_OBJECT
+public:
+    StreamStatsFilterModel(QObject *parent = 0)
+        : QSortFilterProxyModel(parent)
+    {
+    }
+
+protected:
+    bool filterAcceptsColumn(int sourceColumn,
+                             const QModelIndex &/*sourceParent*/) const
+    {
+        QString title = sourceModel()->headerData(sourceColumn, Qt::Horizontal)
+                                            .toString();
+        return filterRegExp().exactMatch(title) ? true : false;
+    }
+    bool filterAcceptsRow(int /*sourceRow*/,
+                          const QModelIndex &/*sourceParent*/) const
+    {
+        return true;
+    }
+};
+
+#endif
+

client/streamstatswindow.cpp

@@ -19,6 +19,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 
 #include "streamstatswindow.h"
 
+#include "streamstatsfiltermodel.h"
+
 #include <QAbstractItemModel>
 #include <QHeaderView>
 
@@ -29,13 +31,17 @@ StreamStatsWindow::StreamStatsWindow(QAbstractItemModel *model, QWidget *parent)
     : QWidget(parent)
 {
     setupUi(this);
+    streamStats->addAction(actionShowByteCounters);
 
     if (id)
         setWindowTitle(windowTitle() + QString("(%1)").arg(id));
     id++;
     count++;
 
-    streamStats->setModel(model);
+    filterModel_ = new StreamStatsFilterModel(this);
+    filterModel_->setFilterRegExp(QRegExp(".*Pkt.*"));
+    filterModel_->setSourceModel(model);
+    streamStats->setModel(filterModel_);
 
     streamStats->verticalHeader()->setHighlightSections(false);
     streamStats->verticalHeader()->setDefaultSectionSize(
@@ -44,7 +50,16 @@ StreamStatsWindow::StreamStatsWindow(QAbstractItemModel *model, QWidget *parent)
 
 StreamStatsWindow::~StreamStatsWindow()
 {
+    delete filterModel_;
     count--;
     if (count == 0)
         id = 0;
 }
+
+void StreamStatsWindow::on_actionShowByteCounters_triggered(bool checked)
+{
+    if (checked)
+        filterModel_->setFilterRegExp(QRegExp(".*"));
+    else
+        filterModel_->setFilterRegExp(QRegExp(".*Pkt.*"));
+}

client/streamstatswindow.h

@@ -23,6 +23,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>
 #include "ui_streamstatswindow.h"
 
 class QAbstractItemModel;
+class QSortFilterProxyModel;
 
 class StreamStatsWindow: public QWidget, private Ui::StreamStatsWindow
 {
@@ -30,6 +31,12 @@ class StreamStatsWindow: public QWidget, private Ui::StreamStatsWindow
 public:
     StreamStatsWindow(QAbstractItemModel *model, QWidget *parent = 0);
     ~StreamStatsWindow();
+
+private slots:
+    void on_actionShowByteCounters_triggered(bool checked);
+
+private:
+    QSortFilterProxyModel *filterModel_;
 };
 
 #endif

client/streamstatswindow.ui

@@ -14,9 +14,21 @@
   </property>
   <layout class="QHBoxLayout" >
    <item>
-    <widget class="QTableView" name="streamStats" />
+    <widget class="QTableView" name="streamStats" >
+     <property name="contextMenuPolicy" >
+      <enum>Qt::ActionsContextMenu</enum>
+     </property>
+    </widget>
    </item>
   </layout>
+  <action name="actionShowByteCounters" >
+   <property name="checkable" >
+    <bool>true</bool>
+   </property>
+   <property name="text" >
+    <string>Show Byte Counters</string>
+   </property>
+  </action>
  </widget>
  <resources/>
  <connections/>