Mercurial Repositories > eric / annotate

eric7/EricNetwork/EricNetworkIcon.py@c9996d52a1b9 (annotated)

eric7/EricNetwork/EricNetworkIcon.py

Wed, 08 Sep 2021 19:53:16 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 08 Sep 2021 19:53:16 +0200
branch
eric7
changeset 8585
c9996d52a1b9
parent 8580
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child 8586
6a315398a554
permissions
-rw-r--r--

Realized a workaround for the QNetworkInformation.reachabilityChanged signal connect issue.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2015 - 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 statusbar icon tracking the network status.
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8 """
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9
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10 from PyQt6.QtCore import pyqtSlot, pyqtSignal
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11 from PyQt6.QtNetwork import QNetworkInformation
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12 from PyQt6.QtWidgets import QLabel
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13
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14 import UI.PixmapCache
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15 import Preferences
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16
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17
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18 class EricNetworkIcon(QLabel):
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19 """
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20 Class implementing a statusbar icon tracking the network status.
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21
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22 @signal onlineStateChanged(online) emitted to indicate a change of the
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23 network state
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24 @signal reachabilityStateChanged(reachability) emitted to indicate a
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25 change of the network reachability
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26 """
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27 onlineStateChanged = pyqtSignal(bool)
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28 reachabilityStateChanged = pyqtSignal(QNetworkInformation.Reachability)
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29
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30 def __init__(self, parent=None):
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31 """
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32 Constructor
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33
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34 @param parent reference to the parent widget
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35 @type QWidget
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36 """
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37 super().__init__(parent)
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38
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39 if (
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40 Preferences.getUI("DynamicOnlineCheck") and
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41 QNetworkInformation.load(QNetworkInformation.Feature.Reachability)
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42 ):
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43 self.__online = (
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44 QNetworkInformation.instance().reachability() ==
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45 QNetworkInformation.Reachability.Online
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46 )
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47 self.__reachabilityChanged(
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48 QNetworkInformation.instance().reachability())
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49
8585
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50 QNetworkInformation.instance().reachabilityChanged.connect(
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51 self.__reachabilityChanged)
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52 else:
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53 # assume to be 'always online' if no backend could be loaded or
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54 # dynamic online check is switched of
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55 self.__online = True
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56 self.__reachabilityChanged(QNetworkInformation.Reachability.Online)
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57
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58 def __reachabilityChanged(self, reachability):
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59 """
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60 Private slot handling reachability state changes.
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61
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62 @param reachability new reachability state
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63 @type QNetworkInformation.Reachability
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64 """
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65 online = reachability == QNetworkInformation.Reachability.Online
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66 tooltip = self.tr("<p>Shows the Internet reachability status<br/><br/>"
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67 "<b>Internet:</b> {0}</p>")
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68
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69 if online:
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70 self.setPixmap(UI.PixmapCache.getPixmap("network-online"))
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71 tooltip = tooltip.format(self.tr("Reachable"))
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72 else:
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73 self.setPixmap(UI.PixmapCache.getPixmap("network-offline"))
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74 tooltip = tooltip.format(self.tr("Not Reachable"))
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75
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76 self.setToolTip(tooltip)
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77
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78 if online != self.__online:
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79 self.__online = online
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80 self.onlineStateChanged.emit(online)
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81
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82 self.reachabilityStateChanged.emit(reachability)
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83
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84 def isOnline(self):
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85 """
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86 Public method to get the online state.
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87
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88 @return online state
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89 @rtype bool
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90 """
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91 return self.__online

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