Debugger/WatchPointModel.py

Mon, 14 Oct 2013 20:08:19 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Mon, 14 Oct 2013 20:08:19 +0200
changeset 3021
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parent 2988
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child 3032
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child 3058
0a02c433f52d
permissions
-rw-r--r--

Fixed a bunch of visible indentation issues.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2006 - 2013 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing the Watch expression model.
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8 """
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9
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10 from PyQt4.QtCore import pyqtSignal, Qt, QAbstractItemModel, QModelIndex
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12
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13 class WatchPointModel(QAbstractItemModel):
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14 """
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15 Class implementing a custom model for watch expressions.
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16 """
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17 dataAboutToBeChanged = pyqtSignal(QModelIndex, QModelIndex)
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18
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19 def __init__(self, parent=None):
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20 """
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21 Constructor
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22
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23 @param parent reference to the parent widget (QObject)
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24 """
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25 super().__init__(parent)
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26
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27 self.watchpoints = []
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28 self.header = [
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29 self.trUtf8("Condition"),
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30 self.trUtf8("Special"),
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31 self.trUtf8('Temporary'),
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32 self.trUtf8('Enabled'),
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33 self.trUtf8('Ignore Count'),
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34 ]
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35 self.alignments = [Qt.Alignment(Qt.AlignLeft),
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36 Qt.Alignment(Qt.AlignLeft),
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37 Qt.Alignment(Qt.AlignHCenter),
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38 Qt.Alignment(Qt.AlignHCenter),
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39 Qt.Alignment(Qt.AlignRight),
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40 ]
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41
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42 def columnCount(self, parent=QModelIndex()):
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43 """
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44 Public method to get the current column count.
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45
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46 @param parent index of the parent item (QModelIndex)
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47 @return column count (integer)
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48 """
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49 return len(self.header)
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50
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51 def rowCount(self, parent=QModelIndex()):
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52 """
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53 Public method to get the current row count.
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54
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55 @param parent index of the parent item (QModelIndex)
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56 @return row count (integer)
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57 """
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58 # we do not have a tree, parent should always be invalid
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59 if not parent.isValid():
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60 return len(self.watchpoints)
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61 else:
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62 return 0
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63
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64 def data(self, index, role):
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65 """
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66 Public method to get the requested data.
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67
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68 @param index index of the requested data (QModelIndex)
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69 @param role role of the requested data (Qt.ItemDataRole)
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70 @return the requested data
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71 """
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72 if not index.isValid():
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73 return None
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74
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75 if role == Qt.DisplayRole:
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76 if index.column() in [0, 1, 4]:
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77 return self.watchpoints[index.row()][index.column()]
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78
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79 if role == Qt.CheckStateRole:
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80 if index.column() in [2, 3]:
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81 return self.watchpoints[index.row()][index.column()]
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82
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83 if role == Qt.ToolTipRole:
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84 if index.column() in [0, 1]:
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85 return self.watchpoints[index.row()][index.column()]
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86
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87 if role == Qt.TextAlignmentRole:
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88 if index.column() < len(self.alignments):
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89 return self.alignments[index.column()]
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90
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91 return None
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92
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93 def flags(self, index):
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94 """
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95 Public method to get item flags.
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96
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97 @param index index of the requested flags (QModelIndex)
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98 @return item flags for the given index (Qt.ItemFlags)
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99 """
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100 if not index.isValid():
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101 return Qt.ItemIsEnabled
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102
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103 return Qt.ItemIsEnabled | Qt.ItemIsSelectable
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104
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105 def headerData(self, section, orientation, role=Qt.DisplayRole):
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106 """
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107 Public method to get header data.
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108
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109 @param section section number of the requested header data (integer)
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110 @param orientation orientation of the header (Qt.Orientation)
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111 @param role role of the requested data (Qt.ItemDataRole)
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112 @return header data
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113 """
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114 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
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115 if section >= len(self.header):
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116 return ""
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117 else:
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118 return self.header[section]
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119
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120 return None
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121
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122 def index(self, row, column, parent=QModelIndex()):
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123 """
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124 Public method to create an index.
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125
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126 @param row row number for the index (integer)
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127 @param column column number for the index (integer)
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diff changeset
128 @param parent index of the parent item (QModelIndex)
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129 @return requested index (QModelIndex)
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parents:
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130 """
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parents:
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131 if parent.isValid() or \
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parents:
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132 row < 0 or row >= len(self.watchpoints) or \
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133 column < 0 or column >= len(self.header):
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parents:
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134 return QModelIndex()
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parents:
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135
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diff changeset
136 return self.createIndex(row, column, self.watchpoints[row])
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137
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parents:
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138 def parent(self, index):
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parents:
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139 """
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parents:
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140 Public method to get the parent index.
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parents:
diff changeset
141
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parents:
diff changeset
142 @param index index of item to get parent (QModelIndex)
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parents:
diff changeset
143 @return index of parent (QModelIndex)
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parents:
diff changeset
144 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 return QModelIndex()
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parents:
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146
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147 def hasChildren(self, parent=QModelIndex()):
0
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parents:
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148 """
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parents:
diff changeset
149 Public method to check for the presence of child items.
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150
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parents:
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151 @param parent index of parent item (QModelIndex)
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parents:
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152 @return flag indicating the presence of child items (boolean)
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parents:
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153 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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154 if not parent.isValid():
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parents:
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155 return len(self.watchpoints) > 0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
156 else:
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parents:
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157 return False
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158
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159 ###########################################################################
0
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160
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parents:
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161 def addWatchPoint(self, cond, special, properties):
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parents:
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162 """
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parents:
diff changeset
163 Public method to add a new watch expression to the list.
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parents:
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164
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parents:
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165 @param cond expression of the watch expression (string)
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parents:
diff changeset
166 @param special special condition of the watch expression (string)
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parents:
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167 @param properties properties of the watch expression
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parents: 2953
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168 (tuple of temporary flag (bool), enabled flag (bool),
f53c03574697 Continued to shorten the code lines to max. 79 characters.
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parents: 2953
diff changeset
169 ignore count (integer))
0
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parents:
diff changeset
170 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
171 wp = [cond, special] + list(properties)
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parents:
diff changeset
172 cnt = len(self.watchpoints)
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parents:
diff changeset
173 self.beginInsertRows(QModelIndex(), cnt, cnt)
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parents:
diff changeset
174 self.watchpoints.append(wp)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
175 self.endInsertRows()
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parents:
diff changeset
176
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
177 def setWatchPointByIndex(self, index, cond, special, properties):
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parents:
diff changeset
178 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179 Public method to set the values of a watch expression given by index.
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parents:
diff changeset
180
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parents:
diff changeset
181 @param index index of the watch expression (QModelIndex)
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parents:
diff changeset
182 @param cond expression of the watch expression (string)
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parents:
diff changeset
183 @param special special condition of the watch expression (string)
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parents:
diff changeset
184 @param properties properties of the watch expression
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parents: 2953
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185 (tuple of temporary flag (bool), enabled flag (bool),
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parents: 2953
diff changeset
186 ignore count (integer))
0
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parents:
diff changeset
187 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
188 if index.isValid():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
189 row = index.row()
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parents:
diff changeset
190 index1 = self.createIndex(row, 0, self.watchpoints[row])
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191 index2 = self.createIndex(
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parents: 2988
diff changeset
192 row, len(self.watchpoints[row]), self.watchpoints[row])
460
6a3899e91d76 Continued porting signal/slot usage to the new API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 13
diff changeset
193 self.dataAboutToBeChanged.emit(index1, index2)
0
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parents:
diff changeset
194 i = 0
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parents:
diff changeset
195 for value in [cond, special] + list(properties):
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parents:
diff changeset
196 self.watchpoints[row][i] = value
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parents:
diff changeset
197 i += 1
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parents: 2081
diff changeset
198 self.dataChanged.emit(index1, index2)
0
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199
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parents:
diff changeset
200 def setWatchPointEnabledByIndex(self, index, enabled):
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parents:
diff changeset
201 """
2988
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202 Public method to set the enabled state of a watch expression given by
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parents: 2953
diff changeset
203 index.
0
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diff changeset
204
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parents:
diff changeset
205 @param index index of the watch expression (QModelIndex)
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parents:
diff changeset
206 @param enabled flag giving the enabled state (boolean)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
208 if index.isValid():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
209 row = index.row()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
210 col = 3
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
211 index1 = self.createIndex(row, col, self.watchpoints[row])
460
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parents: 13
diff changeset
212 self.dataAboutToBeChanged.emit(index1, index1)
0
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parents:
diff changeset
213 self.watchpoints[row][col] = enabled
2126
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2081
diff changeset
214 self.dataChanged.emit(index1, index1)
0
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diff changeset
215
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parents:
diff changeset
216 def deleteWatchPointByIndex(self, index):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
217 """
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parents:
diff changeset
218 Public method to set the values of a watch expression given by index.
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parents:
diff changeset
219
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parents:
diff changeset
220 @param index index of the watch expression (QModelIndex)
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parents:
diff changeset
221 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 if index.isValid():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223 row = index.row()
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parents:
diff changeset
224 self.beginRemoveRows(QModelIndex(), row, row)
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parents:
diff changeset
225 del self.watchpoints[row]
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parents:
diff changeset
226 self.endRemoveRows()
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parents:
diff changeset
227
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parents:
diff changeset
228 def deleteWatchPoints(self, idxList):
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parents:
diff changeset
229 """
2988
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230 Public method to delete a list of watch expressions given by their
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parents: 2953
diff changeset
231 indexes.
0
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parents:
diff changeset
232
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parents:
diff changeset
233 @param idxList list of watch expression indexes (list of QModelIndex)
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parents:
diff changeset
234 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235 rows = []
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 for index in idxList:
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parents:
diff changeset
237 if index.isValid():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 rows.append(index.row())
945
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parents: 791
diff changeset
239 rows.sort(reverse=True)
0
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parents:
diff changeset
240 for row in rows:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 self.beginRemoveRows(QModelIndex(), row, row)
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parents:
diff changeset
242 del self.watchpoints[row]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
243 self.endRemoveRows()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 def deleteAll(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247 Public method to delete all watch expressions.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 if self.watchpoints:
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parents:
diff changeset
250 self.beginRemoveRows(QModelIndex(), 0, len(self.watchpoints) - 1)
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parents:
diff changeset
251 self.watchpoints = []
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
252 self.endRemoveRows()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
253
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
254 def getWatchPointByIndex(self, index):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
255 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
256 Public method to get the values of a watch expression given by index.
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parents:
diff changeset
257
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diff changeset
258 @param index index of the watch expression (QModelIndex)
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259 @return watch expression (list of six values (expression,
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parents: 2953
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260 special condition, temporary flag, enabled flag, ignore count,
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261 index))
0
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262 """
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263 if index.isValid():
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264 return self.watchpoints[index.row()][:] # return a copy
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265 else:
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266 return []
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267
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268 def getWatchPointIndex(self, cond, special=""):
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269 """
2988
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270 Public method to get the index of a watch expression given by
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271 expression.
0
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272
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273 @param cond expression of the watch expression (string)
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274 @param special special condition of the watch expression (string)
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275 @return index (QModelIndex)
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276 """
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277 for row in range(len(self.watchpoints)):
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278 wp = self.watchpoints[row]
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279 if wp[0] == cond:
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280 if special and wp[1] != special:
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281 continue
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282 return self.createIndex(row, 0, self.watchpoints[row])
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283
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284 return QModelIndex()

eric ide

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