eric6/Debugger/WatchPointModel.py

Sun, 02 Feb 2020 11:04:32 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 02 Feb 2020 11:04:32 +0100
changeset 7380
c99320e859ca
parent 7360
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child 7780
41420f82c0ac
permissions
-rw-r--r--

Fixed an issue related to showing the application name in the menu bar of Gnome desktop under Wayland.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2006 - 2020 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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11 from PyQt5.QtCore import pyqtSignal, Qt, QAbstractItemModel, QModelIndex
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12
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13
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14 class WatchPointModel(QAbstractItemModel):
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15 """
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16 Class implementing a custom model for watch expressions.
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17
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18 @signal dataAboutToBeChanged(QModelIndex, QModelIndex) emitted to indicate
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19 a change of the data
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20 """
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21 dataAboutToBeChanged = pyqtSignal(QModelIndex, QModelIndex)
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22
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23 def __init__(self, parent=None):
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24 """
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25 Constructor
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26
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27 @param parent reference to the parent widget (QObject)
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28 """
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29 super(WatchPointModel, self).__init__(parent)
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30
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31 self.watchpoints = []
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32 self.header = [
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33 self.tr("Condition"),
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34 self.tr("Special"),
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35 self.tr('Temporary'),
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36 self.tr('Enabled'),
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37 self.tr('Ignore Count'),
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38 ]
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39 self.alignments = [Qt.Alignment(Qt.AlignLeft),
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40 Qt.Alignment(Qt.AlignLeft),
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41 Qt.Alignment(Qt.AlignHCenter),
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42 Qt.Alignment(Qt.AlignHCenter),
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43 Qt.Alignment(Qt.AlignRight),
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44 ]
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45
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46 def columnCount(self, parent=None):
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47 """
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48 Public method to get the current column count.
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49
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50 @param parent index of the parent item (QModelIndex) (Unused)
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51 @return column count (integer)
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52 """
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53 return len(self.header)
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54
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55 def rowCount(self, parent=None):
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56 """
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57 Public method to get the current row count.
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58
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59 @param parent index of the parent item (QModelIndex)
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60 @return row count (integer)
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61 """
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62 # we do not have a tree, parent should always be invalid
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63 if parent is None or not parent.isValid():
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64 return len(self.watchpoints)
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65 else:
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66 return 0
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67
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68 def data(self, index, role):
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69 """
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70 Public method to get the requested data.
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71
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72 @param index index of the requested data (QModelIndex)
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73 @param role role of the requested data (Qt.ItemDataRole)
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74 @return the requested data
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75 """
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76 if not index.isValid():
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77 return None
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78
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79 if role == Qt.DisplayRole:
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80 if index.column() in [0, 1, 4]:
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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.CheckStateRole:
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84 if index.column() in [2, 3]:
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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.ToolTipRole:
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88 if index.column() in [0, 1]:
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89 return self.watchpoints[index.row()][index.column()]
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90
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91 if role == Qt.TextAlignmentRole:
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92 if index.column() < len(self.alignments):
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93 return self.alignments[index.column()]
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94
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95 return None
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96
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97 def flags(self, index):
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98 """
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99 Public method to get item flags.
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100
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101 @param index index of the requested flags (QModelIndex)
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102 @return item flags for the given index (Qt.ItemFlags)
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103 """
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104 if not index.isValid():
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105 return Qt.ItemIsEnabled
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106
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107 return Qt.ItemIsEnabled | Qt.ItemIsSelectable
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108
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109 def headerData(self, section, orientation, role=Qt.DisplayRole):
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110 """
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111 Public method to get header data.
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112
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113 @param section section number of the requested header data (integer)
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114 @param orientation orientation of the header (Qt.Orientation)
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115 @param role role of the requested data (Qt.ItemDataRole)
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116 @return header data
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117 """
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118 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
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119 if section >= len(self.header):
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120 return ""
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121 else:
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122 return self.header[section]
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123
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124 return None
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125
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126 def index(self, row, column, parent=None):
0
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parents:
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127 """
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parents:
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128 Public method to create an index.
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parents:
diff changeset
129
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parents:
diff changeset
130 @param row row number for the index (integer)
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parents:
diff changeset
131 @param column column number for the index (integer)
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parents:
diff changeset
132 @param parent index of the parent item (QModelIndex)
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parents:
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133 @return requested index (QModelIndex)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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134 """
7251
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
135 if (
bc5b1b00560a Continued to resolve code style issue M841.
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parents: 7229
diff changeset
136 (parent and parent.isValid()) or
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parents: 7229
diff changeset
137 row < 0 or
bc5b1b00560a Continued to resolve code style issue M841.
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parents: 7229
diff changeset
138 row >= len(self.watchpoints) or
bc5b1b00560a Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
139 column < 0 or
bc5b1b00560a Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
140 column >= len(self.header)
bc5b1b00560a Continued to resolve code style issue M841.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7229
diff changeset
141 ):
0
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parents:
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142 return QModelIndex()
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parents:
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143
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parents:
diff changeset
144 return self.createIndex(row, column, self.watchpoints[row])
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parents:
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145
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parents:
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146 def parent(self, index):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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147 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
148 Public method to get the parent index.
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parents:
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149
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parents:
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150 @param index index of item to get parent (QModelIndex)
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parents:
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151 @return index of parent (QModelIndex)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
152 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 return QModelIndex()
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parents:
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154
5656
9c21b2746218 Fixed a few code style issues related to the usage of class instances for default arguments.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 5389
diff changeset
155 def hasChildren(self, parent=None):
0
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parents:
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156 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157 Public method to check for the presence of child items.
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parents:
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158
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parents:
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159 @param parent index of parent item (QModelIndex)
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parents:
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160 @return flag indicating the presence of child items (boolean)
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parents:
diff changeset
161 """
5656
9c21b2746218 Fixed a few code style issues related to the usage of class instances for default arguments.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 5389
diff changeset
162 if parent is None or not parent.isValid():
0
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parents:
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163 return len(self.watchpoints) > 0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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165 return False
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parents:
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166
2988
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
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167 ###########################################################################
0
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168
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parents:
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169 def addWatchPoint(self, cond, special, properties):
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parents:
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170 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
171 Public method to add a new watch expression to the list.
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parents:
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172
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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173 @param cond expression of the watch expression (string)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
174 @param special special condition of the watch expression (string)
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
175 @param properties properties of the watch expression
2988
f53c03574697 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
176 (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
177 ignore count (integer))
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
178 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179 wp = [cond, special] + list(properties)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
180 cnt = len(self.watchpoints)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
181 self.beginInsertRows(QModelIndex(), cnt, cnt)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182 self.watchpoints.append(wp)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
183 self.endInsertRows()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
184
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
185 def setWatchPointByIndex(self, index, cond, special, properties):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
187 Public method to set the values of a watch expression given by index.
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parents:
diff changeset
188
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parents:
diff changeset
189 @param index index of the watch expression (QModelIndex)
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parents:
diff changeset
190 @param cond expression of the watch expression (string)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
191 @param special special condition of the watch expression (string)
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
192 @param properties properties of the watch expression
2988
f53c03574697 Continued to shorten the code lines to max. 79 characters.
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parents: 2953
diff changeset
193 (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
194 ignore count (integer))
0
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parents:
diff changeset
195 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196 if index.isValid():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
197 row = index.row()
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parents:
diff changeset
198 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
199 index2 = self.createIndex(
801289962f4e Fixed a bunch of visible indentation issues.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2988
diff changeset
200 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
201 self.dataAboutToBeChanged.emit(index1, index2)
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
202 i = 0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203 for value in [cond, special] + list(properties):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
204 self.watchpoints[row][i] = value
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
205 i += 1
2126
3744863a534e Reverted the dataChanged signal change due to corrections in PyQt4.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2081
diff changeset
206 self.dataChanged.emit(index1, index2)
0
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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 def setWatchPointEnabledByIndex(self, index, enabled):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
209 """
2988
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
210 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
211 index.
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
213 @param index index of the watch expression (QModelIndex)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
214 @param enabled flag giving the enabled state (boolean)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
215 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
216 if index.isValid():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
217 row = index.row()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
218 col = 3
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
219 index1 = self.createIndex(row, col, self.watchpoints[row])
460
6a3899e91d76 Continued porting signal/slot usage to the new API.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 13
diff changeset
220 self.dataAboutToBeChanged.emit(index1, index1)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
221 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
222 self.dataChanged.emit(index1, index1)
0
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parents:
diff changeset
223
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224 def deleteWatchPointByIndex(self, index):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
225 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
226 Public method to set the values of a watch expression given by index.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
227
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
228 @param index index of the watch expression (QModelIndex)
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
229 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
230 if index.isValid():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 row = index.row()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 self.beginRemoveRows(QModelIndex(), row, row)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
233 del self.watchpoints[row]
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 self.endRemoveRows()
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 def deleteWatchPoints(self, idxList):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237 """
2988
f53c03574697 Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2953
diff changeset
238 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
239 indexes.
0
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parents:
diff changeset
240
de9c2efb9d02 Started porting eric4 to Python3
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parents:
diff changeset
241 @param idxList list of watch expression indexes (list of 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 rows = []
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
244 for index in idxList:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 if index.isValid():
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 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
247 rows.sort(reverse=True)
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248 for row in rows:
7025
83e110e3fcc6 BreakPointModel, WatchPointModel: fixed a potential issue deleting breakpoints/watchpoints.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6942
diff changeset
249 if row < len(self.breakpoints):
83e110e3fcc6 BreakPointModel, WatchPointModel: fixed a potential issue deleting breakpoints/watchpoints.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6942
diff changeset
250 self.beginRemoveRows(QModelIndex(), row, row)
83e110e3fcc6 BreakPointModel, WatchPointModel: fixed a potential issue deleting breakpoints/watchpoints.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6942
diff changeset
251 del self.watchpoints[row]
83e110e3fcc6 BreakPointModel, WatchPointModel: fixed a potential issue deleting breakpoints/watchpoints.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 6942
diff changeset
252 self.endRemoveRows()
0
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parents:
diff changeset
253
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
254 def deleteAll(self):
de9c2efb9d02 Started porting eric4 to Python3
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 delete all watch expressions.
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
258 if self.watchpoints:
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
259 self.beginRemoveRows(QModelIndex(), 0, len(self.watchpoints) - 1)
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260 self.watchpoints = []
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261 self.endRemoveRows()
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262
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263 def getWatchPointByIndex(self, index):
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264 """
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265 Public method to get the values of a watch expression given by index.
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266
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267 @param index index of the watch expression (QModelIndex)
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268 @return watch expression (list of six values (expression,
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269 special condition, temporary flag, enabled flag, ignore count,
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270 index))
0
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271 """
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272 if index.isValid():
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273 return self.watchpoints[index.row()][:] # return a copy
0
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274 else:
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275 return []
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276
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277 def getWatchPointIndex(self, cond, special=""):
0
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278 """
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279 Public method to get the index of a watch expression given by
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280 expression.
0
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281
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282 @param cond expression of the watch expression (string)
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283 @param special special condition of the watch expression (string)
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284 @return index (QModelIndex)
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285 """
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286 for row in range(len(self.watchpoints)):
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287 wp = self.watchpoints[row]
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288 if wp[0] == cond:
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289 if special and wp[1] != special:
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290 continue
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291 return self.createIndex(row, 0, self.watchpoints[row])
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292
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293 return QModelIndex()

eric ide

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