Integrating latest 47acbe8

Code/Tools/Standalone/Source/Driller/IO/StreamerDataView.cpp

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*
+*/
+
+#include "Woodpecker_precompiled.h"
+
+#include "StreamerDataView.hxx"
+#include <Woodpecker/Driller/IO/moc_StreamerDataView.cpp>
+
+#include <QTimer>
+#include <QScrollBar>
+
+namespace Driller
+{
+    StreamerDrillerTableView::StreamerDrillerTableView(QWidget* pParent)
+        : QTableView(pParent)
+        , m_isScrollAfterInsert(true)
+    {
+        setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
+        m_scheduledMaxScroll = false;
+    }
+
+    StreamerDrillerTableView::~StreamerDrillerTableView()
+    {
+    }
+
+    void StreamerDrillerTableView::rowsAboutToBeInserted()
+    {
+        m_isScrollAfterInsert = IsAtMaxScroll();
+    }
+
+    void StreamerDrillerTableView::rowsInserted()
+    {
+        if ((m_isScrollAfterInsert) && (!m_scheduledMaxScroll))
+        {
+            m_scheduledMaxScroll = true;
+            QTimer::singleShot(0, this, SLOT(doScrollToBottom()));
+        }
+    }
+
+    void StreamerDrillerTableView::doScrollToBottom()
+    {
+        m_scheduledMaxScroll = false;
+        scrollToBottom();
+        m_isScrollAfterInsert = true;
+    }
+
+    bool StreamerDrillerTableView::IsAtMaxScroll() const
+    {
+        return (verticalScrollBar()->value() == verticalScrollBar()->maximum());
+    }
+}