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1
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2 from PyQt4.QtCore import *
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3 from PyQt4.QtGui import *
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4
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5 class HexEdit(QScrollArea):
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6 def __init__(self):
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7 super().__init__()
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8
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9 class BinViewer(QWidget):
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10 """
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11 The binviewer consists of a hex view, a ascii view
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12 and perhaps others..
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13 """
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14 def __init__(self):
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15 super().__init__()
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16 self.setFont(QFont('Courier'))
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17 self.fontHeight = self.fontMetrics().height()
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18 self.fontWidth = self.fontMetrics().width('x')
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19 self.hexfile = hexfile.HexFile()
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20 def paintEvent(self, event):
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21 painter = QPainter(self)
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22 br = QBrush(Qt.lightGray)
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23 painter.setBrush(br)
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24 h = self.height()
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25 addressWidth = self.fontWidth * 8
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26 painter.drawRect(2, 2, addressWidth, h)
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27 br2 = QBrush(Qt.yellow)
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28 painter.setBrush(br2)
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29 w = self.width()
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30 byteWidth = self.fontWidth * (16 * 3 - 1)
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31 painter.drawRect(addressWidth + 4, 2, byteWidth, h)
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32 asciiWidth = self.fontWidth * 16
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33 br2 = QBrush(Qt.gray)
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34 painter.setBrush(br2)
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35 painter.drawRect(addressWidth + byteWidth + 4, 2, asciiWidth, h)
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36 rows = int(h / self.fontHeight) + 1
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37 offset = 0
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38 for r in range(1, rows):
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39 bts = self.getBytes(offset + r - 1)
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40 addr = '{0:08X}'.format(r << 16)
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41 painter.drawText(2, 2 + self.fontHeight * r, addr)
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42 x = addressWidth + 4
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43 for b in bts:
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44 b = '{0:02X}'.format(b)
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45 painter.drawText(x, 2 + self.fontHeight * r, b)
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46 x += 3 * self.fontWidth
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47 x = addressWidth + byteWidth + 4
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48 for b in bts:
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49 b = '{0}'.format(chr(b))
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50 painter.drawText(x, 2 + self.fontHeight * r, b)
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51 x += 1 * self.fontWidth
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52 def getBytes(self, offset):
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53 if self.hexfile.regions:
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54 r = self.hexfile.regions[0]
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55 chunks = [r.data[p:p+16] for p in range(0, len(r.data), 16)]
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56 if len(chunks) > offset:
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57 return chunks[offset]
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58 return bytes()
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59 def setHexFile(self, hf):
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60 self.hexfile = hf
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61 self.update()
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