eric6/Debugger/WatchPointModel.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 8009
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child 8143
2c730d5fd177
permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2006 - 2021 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 import copy
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11
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12 from PyQt5.QtCore import pyqtSignal, Qt, QAbstractItemModel, QModelIndex
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13
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14
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15 class WatchPointModel(QAbstractItemModel):
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16 """
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17 Class implementing a custom model for watch expressions.
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18
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19 @signal dataAboutToBeChanged(QModelIndex, QModelIndex) emitted to indicate
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20 a change of the data
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21 """
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22 dataAboutToBeChanged = pyqtSignal(QModelIndex, QModelIndex)
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23
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24 def __init__(self, parent=None):
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25 """
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26 Constructor
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27
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28 @param parent reference to the parent widget (QObject)
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29 """
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30 super(WatchPointModel, self).__init__(parent)
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31
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32 self.watchpoints = []
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33 self.header = [
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34 self.tr("Condition"),
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35 self.tr("Special"),
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36 self.tr('Temporary'),
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37 self.tr('Enabled'),
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38 self.tr('Ignore Count'),
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39 ]
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40 self.alignments = [Qt.Alignment(Qt.AlignLeft),
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41 Qt.Alignment(Qt.AlignLeft),
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42 Qt.Alignment(Qt.AlignHCenter),
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43 Qt.Alignment(Qt.AlignHCenter),
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44 Qt.Alignment(Qt.AlignRight),
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45 ]
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46
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47 def columnCount(self, parent=None):
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48 """
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49 Public method to get the current column count.
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50
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51 @param parent index of the parent item (QModelIndex) (Unused)
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52 @return column count (integer)
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53 """
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54 return len(self.header)
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55
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56 def rowCount(self, parent=None):
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57 """
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58 Public method to get the current row count.
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59
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60 @param parent index of the parent item (QModelIndex)
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61 @return row count (integer)
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62 """
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63 # we do not have a tree, parent should always be invalid
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64 if parent is None or not parent.isValid():
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65 return len(self.watchpoints)
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66 else:
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67 return 0
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68
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69 def data(self, index, role):
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70 """
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71 Public method to get the requested data.
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72
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73 @param index index of the requested data (QModelIndex)
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74 @param role role of the requested data (Qt.ItemDataRole)
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75 @return the requested data
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76 """
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77 if not index.isValid():
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78 return None
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79
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80 if role == Qt.DisplayRole:
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81 if index.column() in [0, 1, 4]:
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82 return self.watchpoints[index.row()][index.column()]
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83
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84 if role == Qt.CheckStateRole:
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85 if index.column() in [2, 3]:
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86 return self.watchpoints[index.row()][index.column()]
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87
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88 if role == Qt.ToolTipRole:
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89 if index.column() in [0, 1]:
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90 return self.watchpoints[index.row()][index.column()]
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91
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92 if role == Qt.TextAlignmentRole:
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93 if index.column() < len(self.alignments):
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94 return self.alignments[index.column()]
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95
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96 return None
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97
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98 def flags(self, index):
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99 """
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100 Public method to get item flags.
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101
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102 @param index index of the requested flags (QModelIndex)
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103 @return item flags for the given index (Qt.ItemFlags)
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104 """
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105 if not index.isValid():
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106 return Qt.ItemIsEnabled
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107
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108 return Qt.ItemIsEnabled | Qt.ItemIsSelectable
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109
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110 def headerData(self, section, orientation, role=Qt.DisplayRole):
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111 """
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112 Public method to get header data.
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113
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114 @param section section number of the requested header data (integer)
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115 @param orientation orientation of the header (Qt.Orientation)
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116 @param role role of the requested data (Qt.ItemDataRole)
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117 @return header data
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118 """
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119 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
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120 if section >= len(self.header):
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121 return ""
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122 else:
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123 return self.header[section]
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124
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125 return None
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126
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127 def index(self, row, column, parent=None):
0
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128 """
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parents:
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129 Public method to create an index.
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130
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131 @param row row number for the index (integer)
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parents:
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132 @param column column number for the index (integer)
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parents:
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133 @param parent index of the parent item (QModelIndex)
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parents:
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134 @return requested index (QModelIndex)
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parents:
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135 """
7251
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parents: 7229
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136 if (
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parents: 7229
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137 (parent and parent.isValid()) or
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parents: 7229
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138 row < 0 or
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parents: 7229
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139 row >= len(self.watchpoints) or
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parents: 7229
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140 column < 0 or
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parents: 7229
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141 column >= len(self.header)
bc5b1b00560a Continued to resolve code style issue M841.
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parents: 7229
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142 ):
0
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143 return QModelIndex()
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144
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145 return self.createIndex(row, column, self.watchpoints[row])
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146
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parents:
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147 def parent(self, index):
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parents:
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148 """
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parents:
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149 Public method to get the parent index.
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150
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151 @param index index of item to get parent (QModelIndex)
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152 @return index of parent (QModelIndex)
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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 return QModelIndex()
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155
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156 def hasChildren(self, parent=None):
0
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157 """
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parents:
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158 Public method to check for the presence of child items.
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159
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160 @param parent index of parent item (QModelIndex)
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parents:
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161 @return flag indicating the presence of child items (boolean)
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parents:
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162 """
5656
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parents: 5389
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163 if parent is None or not parent.isValid():
0
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164 return len(self.watchpoints) > 0
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parents:
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165 else:
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parents:
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166 return False
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167
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parents: 2953
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168 ###########################################################################
0
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169
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170 def addWatchPoint(self, cond, special, properties):
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171 """
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parents:
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172 Public method to add a new watch expression to the list.
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173
8009
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174 @param cond expression of the watch expression
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
175 @type str
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parents: 7923
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176 @param special special condition of the watch expression
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177 @type str
0
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178 @param properties properties of the watch expression
8009
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parents: 7923
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179 (tuple of temporary flag, enabled flag, ignore count)
29818ac4853c Implemented the JSON based session files.
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parents: 7923
diff changeset
180 @type tuple of (bool, bool, int)
0
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181 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182 wp = [cond, special] + list(properties)
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183 cnt = len(self.watchpoints)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
184 self.beginInsertRows(QModelIndex(), cnt, cnt)
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parents:
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185 self.watchpoints.append(wp)
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186 self.endInsertRows()
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187
8009
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parents: 7923
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188 def addWatchPoints(self, watchpoints):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
189 """
29818ac4853c Implemented the JSON based session files.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
190 Public method to add multiple watch expressions to the list.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
191
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
diff changeset
192 @param watchpoints list of watch expressions with expression, special
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
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193 condition, temporary flag, enabled flag and ignore count each
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parents: 7923
diff changeset
194 @type list of (str, str, bool, bool, int)
29818ac4853c Implemented the JSON based session files.
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parents: 7923
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195 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7923
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196 cnt = len(self.watchpoints)
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parents: 7923
diff changeset
197 self.beginInsertRows(QModelIndex(), cnt, cnt + len(watchpoints) - 1)
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198 self.watchpoints += watchpoints
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199 self.endInsertRows()
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200
0
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diff changeset
201 def setWatchPointByIndex(self, index, cond, special, properties):
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parents:
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202 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203 Public method to set the values of a watch expression given by index.
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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 cond expression of the watch expression (string)
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parents:
diff changeset
207 @param special special condition of the watch expression (string)
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parents:
diff changeset
208 @param properties properties of the watch expression
2988
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parents: 2953
diff changeset
209 (tuple of temporary flag (bool), enabled flag (bool),
f53c03574697 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
210 ignore count (integer))
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
211 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212 if index.isValid():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 row = index.row()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
214 index1 = self.createIndex(row, 0, self.watchpoints[row])
3021
801289962f4e Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2988
diff changeset
215 index2 = self.createIndex(
801289962f4e Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2988
diff changeset
216 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
217 self.dataAboutToBeChanged.emit(index1, index2)
8009
29818ac4853c Implemented the JSON based session files.
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parents: 7923
diff changeset
218 self.watchpoints[row] = [cond, special] + list(properties)
2126
3744863a534e Reverted the dataChanged signal change due to corrections in PyQt4.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2081
diff changeset
219 self.dataChanged.emit(index1, index2)
0
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220
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parents:
diff changeset
221 def setWatchPointEnabledByIndex(self, index, enabled):
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parents:
diff changeset
222 """
2988
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parents: 2953
diff changeset
223 Public method to set the enabled state of a watch expression given by
f53c03574697 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
224 index.
0
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diff changeset
225
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parents:
diff changeset
226 @param index index of the watch expression (QModelIndex)
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
227 @param enabled flag giving the enabled state (boolean)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
228 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 if index.isValid():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230 row = index.row()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 col = 3
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 index1 = self.createIndex(row, col, self.watchpoints[row])
460
6a3899e91d76 Continued porting signal/slot usage to the new API.
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parents: 13
diff changeset
233 self.dataAboutToBeChanged.emit(index1, index1)
0
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parents:
diff changeset
234 self.watchpoints[row][col] = enabled
2126
3744863a534e Reverted the dataChanged signal change due to corrections in PyQt4.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2081
diff changeset
235 self.dataChanged.emit(index1, index1)
0
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parents:
diff changeset
236
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237 def deleteWatchPointByIndex(self, index):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
239 Public method to set the values of a watch expression given by index.
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
240
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parents:
diff changeset
241 @param index index of the watch expression (QModelIndex)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
242 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
243 if index.isValid():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244 row = index.row()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 self.beginRemoveRows(QModelIndex(), row, row)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 del self.watchpoints[row]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
247 self.endRemoveRows()
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parents:
diff changeset
248
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 def deleteWatchPoints(self, idxList):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
250 """
2988
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
251 Public method to delete a list of watch expressions given by their
f53c03574697 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
252 indexes.
0
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parents:
diff changeset
253
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parents:
diff changeset
254 @param idxList list of watch expression indexes (list of QModelIndex)
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parents:
diff changeset
255 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
256 rows = []
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 for index in idxList:
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parents:
diff changeset
258 if index.isValid():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
259 rows.append(index.row())
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
260 rows.sort(reverse=True)
0
de9c2efb9d02 Started porting eric4 to Python3
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parents:
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261 for row in rows:
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262 if row < len(self.breakpoints):
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263 self.beginRemoveRows(QModelIndex(), row, row)
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264 del self.watchpoints[row]
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265 self.endRemoveRows()
0
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266
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267 def deleteAll(self):
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268 """
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269 Public method to delete all watch expressions.
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270 """
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271 if self.watchpoints:
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272 self.beginRemoveRows(QModelIndex(), 0, len(self.watchpoints) - 1)
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273 self.watchpoints = []
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274 self.endRemoveRows()
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275
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276 def getWatchPointByIndex(self, index):
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277 """
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278 Public method to get the values of a watch expression given by index.
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279
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280 @param index index of the watch expression (QModelIndex)
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281 @return watch expression (list of six values (expression,
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282 special condition, temporary flag, enabled flag, ignore count))
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283 @rtype tuple of (str, str, bool, bool, int)
0
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284 """
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285 if index.isValid():
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286 return self.watchpoints[index.row()][:] # return a copy
0
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287 else:
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288 return []
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289
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290 def getAllWatchpoints(self):
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291 """
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292 Public method to get the list of watchpoints.
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293
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294 @return list of watchpoints
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295 @rtype list of list of [str, str, bool, bool, int]
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296 """
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297 return copy.deepcopy(self.watchpoints)
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298
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299 def getWatchPointIndex(self, cond, special=""):
0
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300 """
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301 Public method to get the index of a watch expression given by
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302 expression.
0
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303
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304 @param cond expression of the watch expression (string)
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305 @param special special condition of the watch expression (string)
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306 @return index (QModelIndex)
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307 """
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308 for row in range(len(self.watchpoints)):
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309 wp = self.watchpoints[row]
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310 if wp[0] == cond:
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311 if special and wp[1] != special:
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312 continue
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313 return self.createIndex(row, 0, self.watchpoints[row])
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314
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315 return QModelIndex()

eric ide

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