entropy tooltip showing offset and fix python version

Author: psifertex

examples/triage/entropy.cpp

@@ -75,6 +75,7 @@ EntropyWidget::EntropyWidget(QWidget* parent, TriageView* view, BinaryViewRef da
 	timer->start();
 
 	setCursor(Qt::PointingHandCursor);
+	setMouseTracking(true);
 	setMinimumHeight(UIContext::getScaledWindowSize(32, 32).height());
 }
 
@@ -117,3 +118,16 @@ void EntropyWidget::mousePressEvent(QMouseEvent* event)
 	uint64_t offset = (uint64_t)(frac * m_width * m_blockSize);
 	m_view->navigateToFileOffset(offset);
 }
+
+
+void EntropyWidget::mouseMoveEvent(QMouseEvent* event)
+{
+	float frac = (float)event->pos().x() / (float)rect().width();
+	uint64_t offset = (uint64_t)(frac * m_width * m_blockSize);
+	uint64_t addr = 0;
+	bool hasAddr = m_data->GetAddressForDataOffset(offset, addr);
+	if (hasAddr)
+		setToolTip(QString("0x%1").arg(addr, 0, 16));
+	else
+		setToolTip(QString("File offset: 0x%1").arg(offset, 0, 16));
+}

examples/triage/entropy.h

@@ -44,6 +44,7 @@ class EntropyWidget : public QWidget
   protected:
 	virtual void paintEvent(QPaintEvent* event) override;
 	virtual void mousePressEvent(QMouseEvent* event) override;
+	virtual void mouseMoveEvent(QMouseEvent* event) override;
 
   private Q_SLOTS:
 	void timerExpired();

python/examples/triage/entropy.py

@@ -54,6 +54,7 @@ def __init__(self, parent, view, data):
 		self.timer.start()
 
 		self.setCursor(Qt.PointingHandCursor)
+		self.setMouseTracking(True)
 		self.setMinimumHeight(UIContext.getScaledWindowSize(32, 32).height())
 
 	def paintEvent(self, event):
@@ -78,3 +79,12 @@ def mousePressEvent(self, event):
 		frac = float(event.x()) / self.rect().width()
 		offset = int(frac * self.width * self.block_size)
 		self.view.navigateToFileOffset(offset)
+
+	def mouseMoveEvent(self, event):
+		frac = float(event.x()) / self.rect().width()
+		offset = int(frac * self.width * self.block_size)
+		addr = self.data.get_address_for_data_offset(offset)
+		if addr is not None:
+			self.setToolTip(f"0x{addr:x}")
+		else:
+			self.setToolTip(f"File offset: 0x{offset:x}")

python/examples/triage/headers.py

@@ -1,5 +1,4 @@
 import time
-from binaryninja.binaryview import StructuredDataView
 import binaryninjaui
 from binaryninjaui import ViewFrame, UIContext
 from binaryninja.enums import ThemeColor