Mercurial Repositories > eric / file comparison
comparison: WebBrowser/Navigation/ReloadStopButton.py
WebBrowser/Navigation/ReloadStopButton.py
- changeset 5734
- d8b99b5fa673
- child 5745
- 4f4316e83318
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| 5733:aed3e558407f | 5734:d8b99b5fa673 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2017 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a button alternating between reload and stop. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import pyqtSlot, pyqtSignal, Qt | |
| 13 from PyQt5.QtWidgets import QToolButton | |
| 14 | |
| 15 import UI.PixmapCache | |
| 16 | |
| 17 | |
| 18 class ReloadStopButton(QToolButton): | |
| 19 """ | |
| 20 Class implementing a button alternating between reload and stop. | |
| 21 | |
| 22 @signal reloadClicked() emitted to initiate a reload action | |
| 23 @signal stopClicked() emitted to initiate a stop action | |
| 24 """ | |
| 25 reloadClicked = pyqtSignal() | |
| 26 stopClicked = pyqtSignal() | |
| 27 | |
| 28 def __init__(self, parent=None): | |
| 29 """ | |
| 30 Constructor | |
| 31 | |
| 32 @param parent reference to the parent widget | |
| 33 @type QWidget | |
| 34 """ | |
| 35 super(ReloadStopButton, self).__init__(parent) | |
| 36 | |
| 37 self.setObjectName("navigation_reloadstop_button") | |
| 38 self.setToolButtonStyle(Qt.ToolButtonIconOnly) | |
| 39 self.setFocusPolicy(Qt.NoFocus) | |
| 40 self.setAutoRaise(True) | |
| 41 | |
| 42 self.__loading = False | |
| 43 | |
| 44 self.clicked.connect(self.__buttonClicked) | |
| 45 | |
| 46 self.__updateButton() | |
| 47 | |
| 48 @pyqtSlot() | |
| 49 def __buttonClicked(self): | |
| 50 """ | |
| 51 Private slot handling a user clicking the button. | |
| 52 """ | |
| 53 if self.__loading: | |
| 54 self.stopClicked.emit() | |
| 55 else: | |
| 56 self.reloadClicked.emit() | |
| 57 | |
| 58 @pyqtSlot() | |
| 59 def __updateButton(self): | |
| 60 """ | |
| 61 Private slot to update the button. | |
| 62 """ | |
| 63 if self.__loading: | |
| 64 self.setIcon(UI.PixmapCache.getIcon("stopLoading.png")) | |
| 65 self.setToolTip(self.tr("Stop loading")) | |
| 66 else: | |
| 67 self.setIcon(UI.PixmapCache.getIcon("reload.png")) | |
| 68 self.setToolTip(self.tr("Reload the current screen")) | |
| 69 | |
| 70 def setLoading(self, loading): | |
| 71 """ | |
| 72 Public method to set the loading state. | |
| 73 | |
| 74 @param loading flag indicating the new loading state | |
| 75 @type bool | |
| 76 """ | |
| 77 self.__loading = loading | |
| 78 self.__updateButton() |
