annotate python/qtpropertyviewer.py @ 109:ad14c7c52589

Created qt property viewer
author Windel Bouwman
date Thu, 03 Jan 2013 18:33:29 +0100
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109
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1 from PyQt4.QtCore import *
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2 from PyQt4.QtGui import *
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3 import sys
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4
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5 class QtPropertyModel(QAbstractTableModel):
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6 def __init__(self):
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7 super().__init__()
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8 self.InspectedWidget = None
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9 def getInspectedWidget(self):
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10 return self.inspectedWidget
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11 def setInspectedWidget(self, w):
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12 self.inspectedWidget = w
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13 if isinstance(self.inspectedWidget, QObject):
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14 mo = self.inspectedWidget.metaObject()
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15 self.metaprops = [mo.property(i) for i in range(mo.propertyCount())]
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16 self.metaprops = sorted(self.metaprops, key=lambda mp: mp.name())
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17 else:
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18 self.metaprops = []
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19 self.modelReset.emit()
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20 InspectedWidget = property(getInspectedWidget, setInspectedWidget)
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21 def rowCount(self, parent):
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22 return len(self.metaprops)
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23 def columnCount(self, parent):
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24 return 2
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25 def headerData(self, section, orientation, role):
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26 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
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27 if section == 0:
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28 return 'Property'
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29 elif section == 1:
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30 return 'Value'
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31 def data(self, index, role):
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32 if index.isValid():
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33 row = index.row()
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34 col = index.column()
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35 metaprop = self.metaprops[row]
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36 if role == Qt.DisplayRole:
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37 propname = metaprop.name()
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38 if col == 0:
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39 return propname
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40 elif col == 1:
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41 if metaprop.isReadable():
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42 propval = metaprop.read(self.inspectedWidget)
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43 return propval
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44 return 'NOT READABLE'
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45 return '{0}, {1}'.format(row, col)
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46 elif role == Qt.BackgroundRole:
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47 if col == 1:
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48 if metaprop.isWritable():
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49 return QBrush(Qt.green)
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50 else:
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51 return QBrush(Qt.red)
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52 elif role == Qt.CheckStateRole:
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53 if col == 1:
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54 val = metaprop.read(self.inspectedWidget)
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55 if type(val) is bool:
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56 val = Qt.Checked if val else Qt.Unchecked
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57 return val
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58
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59 def flags(self, index):
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60 if index.isValid():
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61 row = index.row()
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62 col = index.column()
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63 metaprop = self.metaprops[row]
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64 if col == 1 and metaprop.isWritable():
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65 val = metaprop.read(self.inspectedWidget)
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66 if type(val) == bool:
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67 return super().flags(index) | Qt.ItemIsEditable | Qt.ItemIsUserCheckable
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68 else:
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69 return super().flags(index) | Qt.ItemIsEditable
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70 else:
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71 return super().flags(index)
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72 def setData(self, index, value, role):
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73 if index.isValid():
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74 row = index.row()
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75 col = index.column()
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76 metaprop = self.metaprops[row]
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77 if role == Qt.EditRole:
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78 metaprop.write(self.inspectedWidget, value)
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79 return True
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80 elif role == Qt.CheckStateRole:
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81 value = True if value == Qt.Checked else False
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82 metaprop.write(self.inspectedWidget, value)
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83 return True
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84 else:
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85 print('unknown role:', role)
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86 return False
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87 return False
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88
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89 class QtPropertyViewer(QWidget):
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90 """
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91 The binviewer consists of a hex view, a ascii view
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92 and perhaps others..
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93 """
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94 def __init__(self):
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95 super().__init__()
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96 tableView = QTableView()
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97 l = QVBoxLayout(self)
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98 l.addWidget(tableView)
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99 header = tableView.horizontalHeader()
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100 header.setResizeMode(QHeaderView.ResizeToContents)
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101 self.propertyModel = QtPropertyModel()
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102 tableView.setModel(self.propertyModel)
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103