--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python/hexedit.py	Sun Jan 20 17:45:45 2013 +0100
@@ -0,0 +1,61 @@
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+
+class HexEdit(QScrollArea):
+   def __init__(self):
+      super().__init__()
+
+class BinViewer(QWidget):
+   """
+      The binviewer consists of a hex view, a ascii view
+      and perhaps others..
+   """
+   def __init__(self):
+      super().__init__()
+      self.setFont(QFont('Courier'))
+      self.fontHeight = self.fontMetrics().height()
+      self.fontWidth = self.fontMetrics().width('x')
+      self.hexfile = hexfile.HexFile()
+   def paintEvent(self, event):
+      painter = QPainter(self)
+      br = QBrush(Qt.lightGray)
+      painter.setBrush(br)
+      h = self.height()
+      addressWidth = self.fontWidth * 8
+      painter.drawRect(2, 2, addressWidth, h)
+      br2 = QBrush(Qt.yellow)
+      painter.setBrush(br2)
+      w = self.width()
+      byteWidth = self.fontWidth * (16 * 3 - 1)
+      painter.drawRect(addressWidth + 4, 2, byteWidth, h)
+      asciiWidth = self.fontWidth * 16
+      br2 = QBrush(Qt.gray)
+      painter.setBrush(br2)
+      painter.drawRect(addressWidth + byteWidth + 4, 2, asciiWidth, h)
+      rows = int(h / self.fontHeight) + 1
+      offset = 0
+      for r in range(1, rows):
+         bts = self.getBytes(offset + r - 1)
+         addr = '{0:08X}'.format(r << 16)
+         painter.drawText(2, 2 + self.fontHeight * r, addr)
+         x = addressWidth + 4
+         for b in bts:
+            b = '{0:02X}'.format(b)
+            painter.drawText(x, 2 + self.fontHeight * r, b)
+            x += 3 * self.fontWidth
+         x = addressWidth + byteWidth + 4
+         for b in bts:
+            b = '{0}'.format(chr(b))
+            painter.drawText(x, 2 + self.fontHeight * r, b)
+            x += 1 * self.fontWidth
+   def getBytes(self, offset):
+      if self.hexfile.regions:
+         r = self.hexfile.regions[0]
+         chunks = [r.data[p:p+16] for p in range(0, len(r.data), 16)]
+         if len(chunks) > offset:
+            return chunks[offset]
+      return bytes()
+   def setHexFile(self, hf):
+      self.hexfile = hf
+      self.update()