Mercurial Repositories > eric / file comparison
comparison: eric7/EricNetwork/EricNetworkIcon.py
eric7/EricNetwork/EricNetworkIcon.py
- branch
- eric7
- changeset 8580
- e91b276e0771
- child 8585
- c9996d52a1b9
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| 8579:cfd0e44ef084 | 8580:e91b276e0771 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2015 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a statusbar icon tracking the network status. | |
| 8 """ | |
| 9 | |
| 10 from PyQt6.QtCore import pyqtSlot, pyqtSignal | |
| 11 from PyQt6.QtNetwork import QNetworkInformation | |
| 12 from PyQt6.QtWidgets import QLabel | |
| 13 | |
| 14 import UI.PixmapCache | |
| 15 import Preferences | |
| 16 | |
| 17 | |
| 18 class EricNetworkIcon(QLabel): | |
| 19 """ | |
| 20 Class implementing a statusbar icon tracking the network status. | |
| 21 | |
| 22 @signal onlineStateChanged(online) emitted to indicate a change of the | |
| 23 network state | |
| 24 @signal reachabilityStateChanged(reachability) emitted to indicate a | |
| 25 change of the network reachability | |
| 26 """ | |
| 27 onlineStateChanged = pyqtSignal(bool) | |
| 28 reachabilityStateChanged = pyqtSignal(QNetworkInformation.Reachability) | |
| 29 | |
| 30 def __init__(self, parent=None): | |
| 31 """ | |
| 32 Constructor | |
| 33 | |
| 34 @param parent reference to the parent widget | |
| 35 @type QWidget | |
| 36 """ | |
| 37 super().__init__(parent) | |
| 38 | |
| 39 if ( | |
| 40 Preferences.getUI("DynamicOnlineCheck") and | |
| 41 QNetworkInformation.load(QNetworkInformation.Feature.Reachability) | |
| 42 ): | |
| 43 self.__online = ( | |
| 44 QNetworkInformation.instance().reachability() == | |
| 45 QNetworkInformation.Reachability.Online | |
| 46 ) | |
| 47 self.__reachabilityChanged( | |
| 48 QNetworkInformation.instance().reachability()) | |
| 49 | |
| 50 # TODO: QNetworkInformation: re-enable once problem is clear | |
| 51 ## QNetworkInformation.instance().reachabilityChanged.connect( | |
| 52 ## self.__reachabilityChanged) | |
| 53 else: | |
| 54 # assume to be 'always online' if no backend could be loaded or | |
| 55 # dynamic online check is switched of | |
| 56 self.__online = True | |
| 57 self.__reachabilityChanged(QNetworkInformation.Reachability.Online) | |
| 58 | |
| 59 @pyqtSlot(QNetworkInformation.Reachability) | |
| 60 def __reachabilityChanged(self, reachability): | |
| 61 """ | |
| 62 Private slot handling reachability state changes. | |
| 63 | |
| 64 @param reachability new reachability state | |
| 65 @type QNetworkInformation.Reachability | |
| 66 """ | |
| 67 online = reachability == QNetworkInformation.Reachability.Online | |
| 68 tooltip = self.tr("<p>Shows the Internet reachability status<br/><br/>" | |
| 69 "<b>Internet:</b> {0}</p>") | |
| 70 | |
| 71 if online: | |
| 72 self.setPixmap(UI.PixmapCache.getPixmap("network-online")) | |
| 73 tooltip = tooltip.format(self.tr("Reachable")) | |
| 74 else: | |
| 75 self.setPixmap(UI.PixmapCache.getPixmap("network-offline")) | |
| 76 tooltip = tooltip.format(self.tr("Not Reachable")) | |
| 77 | |
| 78 self.setToolTip(tooltip) | |
| 79 | |
| 80 if online != self.__online: | |
| 81 self.__online = online | |
| 82 self.onlineStateChanged.emit(online) | |
| 83 | |
| 84 self.reachabilityStateChanged.emit(reachability) | |
| 85 | |
| 86 def isOnline(self): | |
| 87 """ | |
| 88 Public method to get the online state. | |
| 89 | |
| 90 @return online state | |
| 91 @rtype bool | |
| 92 """ | |
| 93 return self.__online |
