eric6/Snapshot/SnapshotTimer.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 7366
bd743eacfbca
child 7781
607a6098cb44
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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f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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1 # -*- coding: utf-8 -*-
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2
7360
9190402e4505 Updated copyright for 2020.
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parents: 7229
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3 # Copyright (c) 2012 - 2020 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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6 """
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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7 Module implementing the snapshot timer widget.
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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8 """
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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9
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8b507a9a2d40 Script changes: Future import added, super calls modified and unicode behavior for str.
T.Rzepka <Tobias.Rzepka@gmail.com>
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10
3656
441956d8fce5 Started porting eric5 to PyQt5.
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11 from PyQt5.QtCore import pyqtSignal, Qt, QTimer, QRect
441956d8fce5 Started porting eric5 to PyQt5.
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12 from PyQt5.QtGui import QPainter, QPalette
441956d8fce5 Started porting eric5 to PyQt5.
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parents: 3484
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13 from PyQt5.QtWidgets import QWidget, QApplication, QToolTip
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14
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15 from Globals import qVersionTuple
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16
6914
5ae038f273c4 Snapshot: refactored the SnapWidget to prepare for implementing snapshot functionality for Wayland desktops.
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17
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18 class SnapshotTimer(QWidget):
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
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19 """
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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20 Class implementing the snapshot timer widget.
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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21
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
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22 @signal timeout() emitted after the timer timed out
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parents:
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23 """
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
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24 timeout = pyqtSignal()
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25
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
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26 def __init__(self):
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27 """
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
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28 Constructor
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
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29 """
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8b507a9a2d40 Script changes: Future import added, super calls modified and unicode behavior for str.
T.Rzepka <Tobias.Rzepka@gmail.com>
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30 super(SnapshotTimer, self).__init__(None)
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31
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32 self.setWindowFlags(Qt.WindowStaysOnTopHint | Qt.FramelessWindowHint |
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33 Qt.X11BypassWindowManagerHint)
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parents:
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34
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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35 self.__timer = QTimer()
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
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36 self.__textRect = QRect()
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Detlev Offenbach <detlev@die-offenbachs.de>
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37 self.__time = 0
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38 self.__length = 0
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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39 self.__toggle = True
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
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parents:
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40
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
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41 # text is taken from paintEvent with maximum number plus some margin
7366
bd743eacfbca Changed code to avoid some obsoleted Qt functions.
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parents: 7360
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42 try:
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43 fmWidth = self.fontMetrics().horizontalAdvance(self.tr(
bd743eacfbca Changed code to avoid some obsoleted Qt functions.
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parents: 7360
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44 "Snapshot will be taken in %n seconds", "", 99))
bd743eacfbca Changed code to avoid some obsoleted Qt functions.
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parents: 7360
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45 except AttributeError:
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46 fmWidth = self.fontMetrics().width(self.tr(
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parents: 7360
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47 "Snapshot will be taken in %n seconds", "", 99))
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48 self.resize(fmWidth + 6, self.fontMetrics().height() + 4)
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49
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
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50 self.__timer.timeout.connect(self.__bell)
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51
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
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52 def start(self, seconds):
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53 """
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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54 Public method to start the timer.
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parents:
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55
f325dfdc8f6b Extended the snapshot tool to allow for the selection of a screen (for multi screen systems), elliptical selection and a freehand selection.
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56 @param seconds timeout value (integer)
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57 """
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58 if qVersionTuple() >= (5, 10, 0):
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59 screenGeom = QApplication.screens()[0].geometry()
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60 else:
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61 screenGeom = QApplication.desktop().screenGeometry()
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62 self.move(screenGeom.width() // 2 - self.size().width() // 2,
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63 screenGeom.top())
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64 self.__toggle = True
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65 self.__time = 0
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66 self.__length = seconds
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67 self.__timer.start(1000)
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68 self.show()
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69
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70 def stop(self):
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parents:
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71 """
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parents:
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72 Public method to stop the timer.
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parents:
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73 """
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74 self.setVisible(False)
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parents:
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75 self.hide()
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76 self.__timer.stop()
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parents:
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77
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78 def __bell(self):
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parents:
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79 """
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80 Private slot handling timer timeouts.
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parents:
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81 """
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parents:
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82 if self.__time == self.__length - 1:
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parents:
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83 self.hide()
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parents:
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84 else:
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parents:
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85 if self.__time == self.__length:
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parents:
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86 self.__timer.stop()
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87 self.timeout.emit()
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parents:
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88
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89 self.__time += 1
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90 self.__toggle = not self.__toggle
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91 self.update()
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parents:
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92
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93 def paintEvent(self, evt):
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parents:
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94 """
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parents:
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95 Protected method handling paint events.
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parents:
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96
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97 @param evt paint event (QPaintEvent)
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parents:
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98 """
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99 painter = QPainter(self)
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parents:
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100
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101 if self.__time < self.__length:
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parents:
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102 pal = QToolTip.palette()
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parents:
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103 textBackgroundColor = pal.color(QPalette.Active, QPalette.Base)
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parents:
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104 if self.__toggle:
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parents:
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105 textColor = pal.color(QPalette.Active, QPalette.Text)
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parents:
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106 else:
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parents:
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107 textColor = pal.color(QPalette.Active, QPalette.Base)
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parents:
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108 painter.setPen(textColor)
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parents:
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109 painter.setBrush(textBackgroundColor)
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110 helpText = self.tr("Snapshot will be taken in %n seconds", "",
a9a94491c4fd Changed the code to use QObject.tr() instead of QObject.trUtf8().
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parents: 3160
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111 self.__length - self.__time)
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112 textRect = painter.boundingRect(
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113 self.rect().adjusted(2, 2, -2, -2),
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114 Qt.AlignHCenter | Qt.TextSingleLine, helpText)
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115 painter.drawText(textRect, Qt.AlignHCenter | Qt.TextSingleLine,
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116 helpText)
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117
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118 def enterEvent(self, evt):
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119 """
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120 Protected method handling the mouse cursor entering the widget.
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121
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122 @param evt enter event (QEvent)
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123 """
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Detlev Offenbach <detlev@die-offenbachs.de>
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124 if qVersionTuple() >= (5, 10, 0):
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125 screenGeom = QApplication.screens()[0].geometry()
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126 else:
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127 screenGeom = QApplication.desktop().screenGeometry()
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128 if self.x() == screenGeom.left():
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129 self.move(
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Detlev Offenbach <detlev@die-offenbachs.de>
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130 screenGeom.x() +
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Detlev Offenbach <detlev@die-offenbachs.de>
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131 (screenGeom.width() // 2 - self.size().width() // 2),
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132 screenGeom.top())
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133 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
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134 self.move(screenGeom.topLeft())

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