Add preliminary version of a new data visualization idea in the

sniffer window.
2018-12-27 23:31:26 -05:00
parent 29dec2dc65
commit 576a6c87c5
6 changed files with 107 additions and 6 deletions
@@ -0,0 +1,70 @@
+#include "SnifferDelegate.h"
+#include <QPainter>
+#include <QDebug>
+#include "utility.h"
+#include "re/sniffer/snifferitem.h"
+
+SnifferDelegate::SnifferDelegate(QWidget *parent) : QItemDelegate(parent)
+{
+    blackBrush = QBrush(Qt::black);
+    whiteBrush = QBrush(Qt::white);
+    //redBrush = QBrush(Qt::red);
+    //greenBrush = QBrush(Qt::green);
+    //grayBrush = QBrush(QColor(230,230,230));
+    mainFont.setPointSize(10);
+    mainFontInfo = new QFontInfo(mainFont);
+}
+
+void SnifferDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
+{
+    //qDebug() << "SnifferDelegate Paint Event";
+
+    if (index.column() < 2)
+    {
+        QItemDelegate::paint(painter, option, index);
+        return;
+    }
+
+    if (index.column() > 9) return;
+
+    int x, y;
+    SnifferItem *item = static_cast<SnifferItem*>(index.internalPointer());
+    int val = item->getData(index.column() - 2);
+    if (val < 0) return;
+
+    QRect viewport = option.rect;
+
+    int xSpan = viewport.right() - viewport.left();
+    int ySpan = viewport.bottom() - viewport.top();
+
+    //qDebug() << "XSpan" << xSpan << " YSpan " << ySpan;
+
+    int xSector = xSpan / 8;
+
+    painter->setPen(QPen(Qt::black));
+    painter->setFont(mainFont);
+
+    for (x = 0; x < 8; x++)
+    {
+        if (val & (1 << x))
+        {
+            painter->setBrush(blackBrush);
+        }
+        else
+        {
+            painter->setBrush(whiteBrush);
+        }
+        painter->drawRect(viewport.left() + x * xSector, viewport.top(), xSector, xSector);
+    }
+
+    painter->drawText(QRect(viewport.left(), viewport.top() + xSector, xSpan, mainFontInfo->pixelSize()), Qt::AlignCenter, Utility::formatNumber(val));
+}
+
+QSize SnifferDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
+{
+    QSize origSize = QItemDelegate::sizeHint(option, index);
+    origSize.setHeight(origSize.height() * 2.0);
+    return origSize;
+}
+
+