eric6/Plugins/VcsPlugins/vcsGit/GitBisectLogBrowserDialog.py

Wed, 30 Dec 2020 11:00:05 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 30 Dec 2020 11:00:05 +0100
changeset 7923
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parent 7780
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child 8143
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permissions
-rw-r--r--

Updated copyright for 2021.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2014 - 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 a dialog to browse the bisect log history.
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8 """
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9
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10 import os
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11
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12 from PyQt5.QtCore import pyqtSlot, Qt, QPoint, QProcess, QTimer
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13 from PyQt5.QtWidgets import (
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14 QWidget, QDialogButtonBox, QHeaderView, QTreeWidgetItem, QApplication,
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15 QLineEdit
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16 )
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17
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18 from E5Gui import E5MessageBox
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19 from E5Gui.E5OverrideCursor import E5OverrideCursorProcess
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20
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21 from .Ui_GitBisectLogBrowserDialog import Ui_GitBisectLogBrowserDialog
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22
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23 import Preferences
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24 from Globals import strToQByteArray
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25
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26
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27 class GitBisectLogBrowserDialog(QWidget, Ui_GitBisectLogBrowserDialog):
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28 """
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29 Class implementing a dialog to browse the bisect log history.
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30 """
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31 CommitIdColumn = 0
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32 OperationColumn = 1
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33 SubjectColumn = 2
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34
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35 def __init__(self, vcs, parent=None):
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36 """
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37 Constructor
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38
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39 @param vcs reference to the vcs object
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40 @param parent reference to the parent widget (QWidget)
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41 """
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42 super(GitBisectLogBrowserDialog, self).__init__(parent)
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43 self.setupUi(self)
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44
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45 self.__position = QPoint()
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46
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47 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
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48 self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
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49
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50 self.logTree.headerItem().setText(self.logTree.columnCount(), "")
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51
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52 self.refreshButton = self.buttonBox.addButton(
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53 self.tr("&Refresh"), QDialogButtonBox.ActionRole)
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54 self.refreshButton.setToolTip(
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55 self.tr("Press to refresh the list of commits"))
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56 self.refreshButton.setEnabled(False)
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57
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58 self.vcs = vcs
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59
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60 self.repodir = ""
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61 self.__currentCommitId = ""
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62
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63 self.__initData()
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64 self.__resetUI()
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65
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66 self.__process = E5OverrideCursorProcess()
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67 self.__process.finished.connect(self.__procFinished)
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68 self.__process.readyReadStandardOutput.connect(self.__readStdout)
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69 self.__process.readyReadStandardError.connect(self.__readStderr)
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70
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71 def __initData(self):
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72 """
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73 Private method to (re-)initialize some data.
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74 """
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75 self.buf = [] # buffer for stdout
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76
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77 def closeEvent(self, e):
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78 """
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79 Protected slot implementing a close event handler.
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80
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81 @param e close event (QCloseEvent)
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82 """
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83 if (
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84 self.__process is not None and
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85 self.__process.state() != QProcess.NotRunning
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86 ):
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87 self.__process.terminate()
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88 QTimer.singleShot(2000, self.__process.kill)
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89 self.__process.waitForFinished(3000)
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90
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91 self.__position = self.pos()
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92
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93 e.accept()
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94
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95 def show(self):
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96 """
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97 Public slot to show the dialog.
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98 """
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99 if not self.__position.isNull():
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100 self.move(self.__position)
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101 self.__resetUI()
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102
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103 super(GitBisectLogBrowserDialog, self).show()
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104
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105 def __resetUI(self):
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106 """
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107 Private method to reset the user interface.
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108 """
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109 self.logTree.clear()
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110
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111 def __resizeColumnsLog(self):
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112 """
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113 Private method to resize the log tree columns.
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114 """
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115 self.logTree.header().resizeSections(QHeaderView.ResizeToContents)
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116 self.logTree.header().setStretchLastSection(True)
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117
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118 def __generateLogItem(self, commitId, operation, subject):
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119 """
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120 Private method to generate a bisect log tree entry.
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121
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122 @param commitId commit id info (string)
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123 @param operation bisect operation (string)
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124 @param subject subject of the bisect log entry (string)
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125 @return reference to the generated item (QTreeWidgetItem)
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126 """
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127 columnLabels = [
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128 commitId,
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129 operation,
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130 subject,
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parents:
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131 ]
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diff changeset
132 itm = QTreeWidgetItem(self.logTree, columnLabels)
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133 return itm
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134
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parents:
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135 def __getLogEntries(self):
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parents:
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136 """
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parents:
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137 Private method to retrieve bisect log entries from the repository.
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parents:
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138 """
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parents:
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139 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(False)
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140 self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(True)
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parents:
diff changeset
141 self.buttonBox.button(QDialogButtonBox.Cancel).setDefault(True)
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142
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143 self.inputGroup.setEnabled(True)
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144 self.inputGroup.show()
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parents:
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145 self.refreshButton.setEnabled(False)
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146
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147 self.buf = []
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148 self.cancelled = False
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parents:
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149 self.errors.clear()
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150 self.intercept = False
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151
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152 args = self.vcs.initCommand("bisect")
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153 args.append("log")
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154
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155 self.__process.kill()
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156
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157 self.__process.setWorkingDirectory(self.repodir)
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158
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159 self.inputGroup.setEnabled(True)
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160 self.inputGroup.show()
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161
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162 self.__process.start('git', args)
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163 procStarted = self.__process.waitForStarted(5000)
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164 if not procStarted:
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165 self.inputGroup.setEnabled(False)
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166 self.inputGroup.hide()
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parents:
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167 E5MessageBox.critical(
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168 self,
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169 self.tr('Process Generation Error'),
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170 self.tr(
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171 'The process {0} could not be started. '
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172 'Ensure, that it is in the search path.'
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173 ).format('git'))
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174
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175 def start(self, projectdir):
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176 """
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177 Public slot to start the git bisect log command.
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178
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179 @param projectdir directory name of the project (string)
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180 """
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181 self.errorGroup.hide()
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182 QApplication.processEvents()
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183
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184 self.__initData()
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185
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186 # find the root of the repo
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187 self.repodir = projectdir
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188 while not os.path.isdir(os.path.join(self.repodir, self.vcs.adminDir)):
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189 self.repodir = os.path.dirname(self.repodir)
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190 if os.path.splitdrive(self.repodir)[1] == os.sep:
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191 return
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192
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193 self.activateWindow()
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Detlev Offenbach <detlev@die-offenbachs.de>
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194 self.raise_()
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195
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196 self.logTree.clear()
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197 self.__getLogEntries()
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198
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199 def __procFinished(self, exitCode, exitStatus):
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200 """
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201 Private slot connected to the finished signal.
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202
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203 @param exitCode exit code of the process (integer)
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204 @param exitStatus exit status of the process (QProcess.ExitStatus)
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205 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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206 self.__processBuffer()
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parents:
diff changeset
207 self.__finish()
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208
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parents:
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209 def __finish(self):
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parents:
diff changeset
210 """
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parents:
diff changeset
211 Private slot called when the process finished or the user pressed
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parents:
diff changeset
212 the button.
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213 """
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parents: 7229
diff changeset
214 if (
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parents: 7360
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215 self.__process is not None and
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diff changeset
216 self.__process.state() != QProcess.NotRunning
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parents: 7229
diff changeset
217 ):
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218 self.__process.terminate()
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diff changeset
219 QTimer.singleShot(2000, self.__process.kill)
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220 self.__process.waitForFinished(3000)
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221
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diff changeset
222 self.buttonBox.button(QDialogButtonBox.Close).setEnabled(True)
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parents:
diff changeset
223 self.buttonBox.button(QDialogButtonBox.Cancel).setEnabled(False)
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parents:
diff changeset
224 self.buttonBox.button(QDialogButtonBox.Close).setDefault(True)
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225
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diff changeset
226 self.inputGroup.setEnabled(False)
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parents:
diff changeset
227 self.inputGroup.hide()
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parents:
diff changeset
228 self.refreshButton.setEnabled(True)
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diff changeset
229
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parents:
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230 def __processBuffer(self):
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parents:
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231 """
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parents:
diff changeset
232 Private method to process the buffered output of the git log command.
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parents:
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233 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234 for line in self.buf:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235 line = line.rstrip()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
237 if line.startswith("# "):
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parents:
diff changeset
238 operation, commitId, subject = line[2:].split(None, 2)
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parents:
diff changeset
239 # commit is surrounded by [...], abbreviate to 20 chars
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parents:
diff changeset
240 commitId = commitId[1:-1][:20]
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parents:
diff changeset
241 # operation is followed by ':'
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
242 operation = operation[:-1]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
243 self.__generateLogItem(commitId, operation, subject)
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parents:
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244
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
245 self.__resizeColumnsLog()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
246 self.logTree.setCurrentItem(self.logTree.topLevelItem(0))
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parents:
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247
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
248 # restore current item
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
249 if self.__currentCommitId:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
250 items = self.logTree.findItems(
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
251 self.__currentCommitId, Qt.MatchExactly, self.CommitIdColumn)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
252 if items:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
253 self.logTree.setCurrentItem(items[0])
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parents:
diff changeset
254 self.__currentCommitId = ""
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
255
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
256 def __readStdout(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
257 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
258 Private slot to handle the readyReadStandardOutput signal.
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parents:
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259
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
260 It reads the output of the process and inserts it into a buffer.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
261 """
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787a6b3f8c9f Optimized the use of Waiting Cursors by using a specialized context manager class.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7360
diff changeset
262 self.__process.setReadChannel(QProcess.StandardOutput)
6020
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parents:
diff changeset
263
7771
787a6b3f8c9f Optimized the use of Waiting Cursors by using a specialized context manager class.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7360
diff changeset
264 while self.__process.canReadLine():
787a6b3f8c9f Optimized the use of Waiting Cursors by using a specialized context manager class.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7360
diff changeset
265 line = str(self.__process.readLine(),
6020
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
266 Preferences.getSystem("IOEncoding"),
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
267 'replace')
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
268 self.buf.append(line)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
269
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
270 def __readStderr(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
271 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
272 Private slot to handle the readyReadStandardError signal.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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273
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
274 It reads the error output of the process and inserts it into the
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
275 error pane.
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parents:
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276 """
7771
787a6b3f8c9f Optimized the use of Waiting Cursors by using a specialized context manager class.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7360
diff changeset
277 if self.__process is not None:
787a6b3f8c9f Optimized the use of Waiting Cursors by using a specialized context manager class.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7360
diff changeset
278 s = str(self.__process.readAllStandardError(),
6020
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parents:
diff changeset
279 Preferences.getSystem("IOEncoding"),
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
280 'replace')
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
281 self.__showError(s)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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282
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
283 def __showError(self, out):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
284 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
285 Private slot to show some error.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
286
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
287 @param out error to be shown (string)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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288 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
289 self.errorGroup.show()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
290 self.errors.insertPlainText(out)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
291 self.errors.ensureCursorVisible()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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292
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
293 def on_buttonBox_clicked(self, button):
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parents:
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294 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
295 Private slot called by a button of the button box clicked.
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parents:
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296
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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297 @param button button that was clicked (QAbstractButton)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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298 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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299 if button == self.buttonBox.button(QDialogButtonBox.Close):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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300 self.close()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
301 elif button == self.buttonBox.button(QDialogButtonBox.Cancel):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
302 self.cancelled = True
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
303 self.__finish()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
304 elif button == self.refreshButton:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
305 self.on_refreshButton_clicked()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
306
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
307 @pyqtSlot()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
308 def on_refreshButton_clicked(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
309 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
310 Private slot to refresh the log.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
311 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
312 # save the current item's commit ID
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
313 itm = self.logTree.currentItem()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
314 if itm is not None:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
315 self.__currentCommitId = itm.text(self.CommitIdColumn)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
316 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
317 self.__currentCommitId = ""
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
318
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
319 self.start(self.repodir)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
320
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
321 def on_passwordCheckBox_toggled(self, isOn):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
322 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
323 Private slot to handle the password checkbox toggled.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
324
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
325 @param isOn flag indicating the status of the check box (boolean)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
326 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
327 if isOn:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
328 self.input.setEchoMode(QLineEdit.Password)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
329 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
330 self.input.setEchoMode(QLineEdit.Normal)
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parents:
diff changeset
331
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
332 @pyqtSlot()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
333 def on_sendButton_clicked(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
334 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
335 Private slot to send the input to the git process.
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
336 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
337 inputTxt = self.input.text()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
338 inputTxt += os.linesep
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
339
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
340 if self.passwordCheckBox.isChecked():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
341 self.errors.insertPlainText(os.linesep)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
342 self.errors.ensureCursorVisible()
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
343 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
344 self.errors.insertPlainText(inputTxt)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
345 self.errors.ensureCursorVisible()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
346 self.errorGroup.show()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
347
7771
787a6b3f8c9f Optimized the use of Waiting Cursors by using a specialized context manager class.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 7360
diff changeset
348 self.__process.write(strToQByteArray(inputTxt))
6020
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
349
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
350 self.passwordCheckBox.setChecked(False)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
351 self.input.clear()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
352
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
353 def on_input_returnPressed(self):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
354 """
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
355 Private slot to handle the press of the return key in the input field.
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
356 """
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
357 self.intercept = True
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
358 self.on_sendButton_clicked()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
359
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
360 def keyPressEvent(self, evt):
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
361 """
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
362 Protected slot to handle a key press event.
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
363
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
364 @param evt the key press event (QKeyEvent)
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
365 """
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
366 if self.intercept:
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
367 self.intercept = False
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
368 evt.accept()
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
369 return
baf6da1ae288 Added the git plug-in to the core plug-ins.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
370 super(GitBisectLogBrowserDialog, self).keyPressEvent(evt)

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