# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2015-07-05 21:34:35
# Node ID a3a98f85e1c27a71b1757e91b33e082a3ac3bc5c
# Parent  0c1920dac89059e8b234ca331e54639db66a63e4

scroll text view to end

diff --git a/mainwindow.cpp b/mainwindow.cpp
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -27,6 +27,7 @@
 #include <QtDebug>
 #include <QtEndian>
 #include <QTextCursor>
+#include <QScrollBar>
 #include <qwt_plot.h>
 #include <limits.h>
 #include <cmath>
@@ -582,12 +583,21 @@ template<typename T> double MainWindow::
         QTextCursor cursor(ui->ptTextView->document());
         cursor.movePosition(QTextCursor::End);
         QByteArray ba((char*) &data, sizeof(data));
+        QScrollBar* vbar = ui->ptTextView->verticalScrollBar();
+        bool isEnd = (vbar->value() == vbar->maximum());
+
         cursor.insertText(ba.toHex() + " ");
         // `53` is selected for minimum width of the main window
         if (cursor.positionInBlock() >= 53)
         {
             cursor.insertText("\n");
         }
+
+        // scroll if we were at the end of the display
+        if (isEnd)
+        {
+            vbar->setValue(vbar->maximum());
+        }
     }
 
     if (ui->rbLittleE->isChecked())