eric6/Preferences/ShortcutDialog.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 7923
91e843545d9a
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) 2003 - 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 for the configuration of a keyboard shortcut.
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8 """
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9
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10 from PyQt5.QtCore import pyqtSignal, QEvent, Qt
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11 from PyQt5.QtGui import QKeySequence
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12 from PyQt5.QtWidgets import QDialog, QDialogButtonBox
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13
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14 from .Ui_ShortcutDialog import Ui_ShortcutDialog
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15
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16
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17 class ShortcutDialog(QDialog, Ui_ShortcutDialog):
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18 """
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19 Class implementing a dialog for the configuration of a keyboard shortcut.
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20
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21 @signal shortcutChanged(QKeySequence, QKeySequence, bool, string) emitted
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22 after the OK button was pressed
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23 """
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24 shortcutChanged = pyqtSignal(QKeySequence, QKeySequence, bool, str)
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25
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26 def __init__(self, parent=None, name=None, modal=False):
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27 """
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28 Constructor
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29
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30 @param parent The parent widget of this dialog. (QWidget)
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31 @param name The name of this dialog. (string)
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32 @param modal Flag indicating a modal dialog. (boolean)
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33 """
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34 super(ShortcutDialog, self).__init__(parent)
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35 if name:
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36 self.setObjectName(name)
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37 self.setModal(modal)
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38 self.setupUi(self)
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39 self.setWindowFlags(Qt.Window)
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40
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41 self.keyIndex = 0
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42 self.keys = [0, 0, 0, 0]
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43 self.noCheck = False
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44 self.objectType = ""
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45
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46 self.primaryClearButton.clicked.connect(self.__clear)
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47 self.alternateClearButton.clicked.connect(self.__clear)
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48 self.primaryButton.clicked.connect(self.__typeChanged)
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49 self.alternateButton.clicked.connect(self.__typeChanged)
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50
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51 self.shortcutsGroup.installEventFilter(self)
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52 self.primaryButton.installEventFilter(self)
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53 self.alternateButton.installEventFilter(self)
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54 self.primaryClearButton.installEventFilter(self)
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55 self.alternateClearButton.installEventFilter(self)
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56 self.keyEdit.installEventFilter(self)
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57 self.alternateKeyEdit.installEventFilter(self)
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58
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59 self.buttonBox.button(QDialogButtonBox.Ok).installEventFilter(self)
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60 self.buttonBox.button(QDialogButtonBox.Cancel).installEventFilter(self)
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61
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62 msh = self.minimumSizeHint()
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63 self.resize(max(self.width(), msh.width()), msh.height())
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64
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65 def setKeys(self, key, alternateKey, noCheck, objectType):
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66 """
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67 Public method to set the key to be configured.
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68
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69 @param key key sequence to be changed (QKeySequence)
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70 @param alternateKey alternate key sequence to be changed (QKeySequence)
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71 @param noCheck flag indicating that no uniqueness check should
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72 be performed (boolean)
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73 @param objectType type of the object (string).
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74 """
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75 self.keyIndex = 0
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76 self.keys = [0, 0, 0, 0]
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77 self.keyEdit.setText(key.toString())
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78 self.alternateKeyEdit.setText(alternateKey.toString())
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79 self.primaryButton.setChecked(True)
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80 self.noCheck = noCheck
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81 self.objectType = objectType
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82
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83 def on_buttonBox_accepted(self):
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84 """
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85 Private slot to handle the OK button press.
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86 """
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87 self.hide()
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88 self.shortcutChanged.emit(
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89 QKeySequence(self.keyEdit.text()),
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90 QKeySequence(self.alternateKeyEdit.text()),
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91 self.noCheck, self.objectType)
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92
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93 def __clear(self):
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94 """
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95 Private slot to handle the Clear button press.
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96 """
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97 self.keyIndex = 0
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98 self.keys = [0, 0, 0, 0]
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99 self.__setKeyEditText("")
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100
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101 def __typeChanged(self):
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102 """
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103 Private slot to handle the change of the shortcuts type.
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104 """
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105 self.keyIndex = 0
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106 self.keys = [0, 0, 0, 0]
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107
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108 def __setKeyEditText(self, txt):
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109 """
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110 Private method to set the text of a key edit.
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111
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112 @param txt text to be set (string)
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113 """
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114 if self.primaryButton.isChecked():
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115 self.keyEdit.setText(txt)
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116 else:
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117 self.alternateKeyEdit.setText(txt)
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118
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119 def eventFilter(self, watched, event):
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120 """
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121 Public method called to filter the event queue.
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122
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123 @param watched the QObject being watched
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124 @param event the event that occurred
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125 @return always False
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126 """
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127 if event.type() == QEvent.KeyPress:
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128 self.keyPressEvent(event)
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129 return True
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130
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131 return False
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132
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133 def keyPressEvent(self, evt):
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134 """
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135 Protected method to handle a key press event.
0
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136
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137 @param evt the key event (QKeyEvent)
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138 """
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139 if evt.key() in [Qt.Key_Control, Qt.Key_Meta, Qt.Key_Shift, Qt.Key_Alt,
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140 Qt.Key_Menu, Qt.Key_Hyper_L, Qt.Key_Hyper_R,
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141 Qt.Key_Super_L, Qt.Key_Super_R]:
0
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142 return
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143
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144 if self.keyIndex == 4:
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145 self.keyIndex = 0
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146 self.keys = [0, 0, 0, 0]
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147
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148 if evt.key() == Qt.Key_Backtab and evt.modifiers() & Qt.ShiftModifier:
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149 self.keys[self.keyIndex] = Qt.Key_Tab
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150 else:
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151 self.keys[self.keyIndex] = evt.key()
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152
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153 if evt.modifiers() & Qt.ShiftModifier:
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154 self.keys[self.keyIndex] += Qt.SHIFT
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155 if evt.modifiers() & Qt.ControlModifier:
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156 self.keys[self.keyIndex] += Qt.CTRL
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157 if evt.modifiers() & Qt.AltModifier:
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158 self.keys[self.keyIndex] += Qt.ALT
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159 if evt.modifiers() & Qt.MetaModifier:
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160 self.keys[self.keyIndex] += Qt.META
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161
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162 self.keyIndex += 1
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163
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164 if self.keyIndex == 1:
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165 self.__setKeyEditText(QKeySequence(self.keys[0]).toString())
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166 elif self.keyIndex == 2:
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167 self.__setKeyEditText(
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168 QKeySequence(self.keys[0], self.keys[1]).toString())
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169 elif self.keyIndex == 3:
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170 self.__setKeyEditText(QKeySequence(
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171 self.keys[0], self.keys[1],
0
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172 self.keys[2]).toString())
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173 elif self.keyIndex == 4:
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174 self.__setKeyEditText(QKeySequence(
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175 self.keys[0], self.keys[1],
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176 self.keys[2], self.keys[3]).toString())

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