eric6/Preferences/ShortcutDialog.py

Sun, 04 Oct 2020 15:25:17 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 04 Oct 2020 15:25:17 +0200
changeset 7749
285855999b4e
parent 7360
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child 7780
41420f82c0ac
permissions
-rw-r--r--

Configuration Dialog: optimized the display of the various configuration pages.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2003 - 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 a dialog for the configuration of a keyboard shortcut.
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8 """
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9
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11 from PyQt5.QtCore import pyqtSignal, QEvent, Qt
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12 from PyQt5.QtGui import QKeySequence
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13 from PyQt5.QtWidgets import QDialog, QDialogButtonBox
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14
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1d8dd9706f46 First commit after changing to Python 3.1.
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15 from .Ui_ShortcutDialog import Ui_ShortcutDialog
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16
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17
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18 class ShortcutDialog(QDialog, Ui_ShortcutDialog):
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19 """
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20 Class implementing a dialog for the configuration of a keyboard shortcut.
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21
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22 @signal shortcutChanged(QKeySequence, QKeySequence, bool, string) emitted
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23 after the OK button was pressed
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24 """
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25 shortcutChanged = pyqtSignal(QKeySequence, QKeySequence, bool, str)
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26
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27 def __init__(self, parent=None, name=None, modal=False):
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28 """
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29 Constructor
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30
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31 @param parent The parent widget of this dialog. (QWidget)
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32 @param name The name of this dialog. (string)
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33 @param modal Flag indicating a modal dialog. (boolean)
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34 """
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35 super(ShortcutDialog, self).__init__(parent)
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36 if name:
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37 self.setObjectName(name)
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38 self.setModal(modal)
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39 self.setupUi(self)
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40 self.setWindowFlags(Qt.Window)
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41
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42 self.keyIndex = 0
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43 self.keys = [0, 0, 0, 0]
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44 self.noCheck = False
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45 self.objectType = ""
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46
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47 self.primaryClearButton.clicked.connect(self.__clear)
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48 self.alternateClearButton.clicked.connect(self.__clear)
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49 self.primaryButton.clicked.connect(self.__typeChanged)
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50 self.alternateButton.clicked.connect(self.__typeChanged)
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51
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52 self.shortcutsGroup.installEventFilter(self)
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53 self.primaryButton.installEventFilter(self)
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54 self.alternateButton.installEventFilter(self)
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55 self.primaryClearButton.installEventFilter(self)
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56 self.alternateClearButton.installEventFilter(self)
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57 self.keyEdit.installEventFilter(self)
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58 self.alternateKeyEdit.installEventFilter(self)
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59
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60 self.buttonBox.button(QDialogButtonBox.Ok).installEventFilter(self)
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61 self.buttonBox.button(QDialogButtonBox.Cancel).installEventFilter(self)
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62
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63 msh = self.minimumSizeHint()
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64 self.resize(max(self.width(), msh.width()), msh.height())
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65
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66 def setKeys(self, key, alternateKey, noCheck, objectType):
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67 """
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68 Public method to set the key to be configured.
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69
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70 @param key key sequence to be changed (QKeySequence)
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71 @param alternateKey alternate key sequence to be changed (QKeySequence)
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72 @param noCheck flag indicating that no uniqueness check should
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73 be performed (boolean)
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74 @param objectType type of the object (string).
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75 """
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76 self.keyIndex = 0
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77 self.keys = [0, 0, 0, 0]
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78 self.keyEdit.setText(key.toString())
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79 self.alternateKeyEdit.setText(alternateKey.toString())
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80 self.primaryButton.setChecked(True)
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81 self.noCheck = noCheck
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82 self.objectType = objectType
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83
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84 def on_buttonBox_accepted(self):
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85 """
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86 Private slot to handle the OK button press.
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87 """
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88 self.hide()
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89 self.shortcutChanged.emit(
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90 QKeySequence(self.keyEdit.text()),
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91 QKeySequence(self.alternateKeyEdit.text()),
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92 self.noCheck, self.objectType)
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93
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94 def __clear(self):
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95 """
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96 Private slot to handle the Clear button press.
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97 """
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98 self.keyIndex = 0
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99 self.keys = [0, 0, 0, 0]
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100 self.__setKeyEditText("")
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101
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102 def __typeChanged(self):
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103 """
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104 Private slot to handle the change of the shortcuts type.
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105 """
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106 self.keyIndex = 0
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107 self.keys = [0, 0, 0, 0]
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108
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109 def __setKeyEditText(self, txt):
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110 """
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111 Private method to set the text of a key edit.
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112
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113 @param txt text to be set (string)
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114 """
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115 if self.primaryButton.isChecked():
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116 self.keyEdit.setText(txt)
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117 else:
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118 self.alternateKeyEdit.setText(txt)
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119
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120 def eventFilter(self, watched, event):
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121 """
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122 Public method called to filter the event queue.
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123
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124 @param watched the QObject being watched
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125 @param event the event that occurred
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126 @return always False
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127 """
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128 if event.type() == QEvent.KeyPress:
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129 self.keyPressEvent(event)
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130 return True
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131
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132 return False
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133
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134 def keyPressEvent(self, evt):
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135 """
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136 Protected method to handle a key press event.
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137
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138 @param evt the key event (QKeyEvent)
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139 """
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140 if evt.key() in [Qt.Key_Control, Qt.Key_Meta, Qt.Key_Shift, Qt.Key_Alt,
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141 Qt.Key_Menu, Qt.Key_Hyper_L, Qt.Key_Hyper_R,
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142 Qt.Key_Super_L, Qt.Key_Super_R]:
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143 return
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144
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145 if self.keyIndex == 4:
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146 self.keyIndex = 0
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147 self.keys = [0, 0, 0, 0]
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148
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149 if evt.key() == Qt.Key_Backtab and evt.modifiers() & Qt.ShiftModifier:
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150 self.keys[self.keyIndex] = Qt.Key_Tab
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151 else:
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152 self.keys[self.keyIndex] = evt.key()
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153
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154 if evt.modifiers() & Qt.ShiftModifier:
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155 self.keys[self.keyIndex] += Qt.SHIFT
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156 if evt.modifiers() & Qt.ControlModifier:
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157 self.keys[self.keyIndex] += Qt.CTRL
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158 if evt.modifiers() & Qt.AltModifier:
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159 self.keys[self.keyIndex] += Qt.ALT
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160 if evt.modifiers() & Qt.MetaModifier:
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161 self.keys[self.keyIndex] += Qt.META
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162
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163 self.keyIndex += 1
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164
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165 if self.keyIndex == 1:
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166 self.__setKeyEditText(QKeySequence(self.keys[0]).toString())
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167 elif self.keyIndex == 2:
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168 self.__setKeyEditText(
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169 QKeySequence(self.keys[0], self.keys[1]).toString())
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170 elif self.keyIndex == 3:
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171 self.__setKeyEditText(QKeySequence(
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172 self.keys[0], self.keys[1],
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173 self.keys[2]).toString())
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174 elif self.keyIndex == 4:
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175 self.__setKeyEditText(QKeySequence(
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176 self.keys[0], self.keys[1],
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177 self.keys[2], self.keys[3]).toString())

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