Mercurial Repositories > eric / file comparison
comparison: eric6/WebBrowser/Navigation/ReloadStopButton.py
eric6/WebBrowser/Navigation/ReloadStopButton.py
- changeset 6942
- 2602857055c5
- parent 6645
- ad476851d7e0
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2017 - 2019 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 | |
| 14 from E5Gui.E5ToolButton import E5ToolButton | |
| 15 | |
| 16 import UI.PixmapCache | |
| 17 | |
| 18 | |
| 19 class ReloadStopButton(E5ToolButton): | |
| 20 """ | |
| 21 Class implementing a button alternating between reload and stop. | |
| 22 | |
| 23 @signal reloadClicked() emitted to initiate a reload action | |
| 24 @signal stopClicked() emitted to initiate a stop action | |
| 25 """ | |
| 26 reloadClicked = pyqtSignal() | |
| 27 stopClicked = pyqtSignal() | |
| 28 | |
| 29 def __init__(self, parent=None): | |
| 30 """ | |
| 31 Constructor | |
| 32 | |
| 33 @param parent reference to the parent widget | |
| 34 @type QWidget | |
| 35 """ | |
| 36 super(ReloadStopButton, self).__init__(parent) | |
| 37 | |
| 38 self.setObjectName("navigation_reloadstop_button") | |
| 39 self.setToolButtonStyle(Qt.ToolButtonIconOnly) | |
| 40 self.setFocusPolicy(Qt.NoFocus) | |
| 41 self.setAutoRaise(True) | |
| 42 | |
| 43 self.__loading = False | |
| 44 | |
| 45 self.clicked.connect(self.__buttonClicked) | |
| 46 | |
| 47 self.__updateButton() | |
| 48 | |
| 49 @pyqtSlot() | |
| 50 def __buttonClicked(self): | |
| 51 """ | |
| 52 Private slot handling a user clicking the button. | |
| 53 """ | |
| 54 if self.__loading: | |
| 55 self.stopClicked.emit() | |
| 56 else: | |
| 57 self.reloadClicked.emit() | |
| 58 | |
| 59 @pyqtSlot() | |
| 60 def __updateButton(self): | |
| 61 """ | |
| 62 Private slot to update the button. | |
| 63 """ | |
| 64 if self.__loading: | |
| 65 self.setIcon(UI.PixmapCache.getIcon("stopLoading.png")) | |
| 66 self.setToolTip(self.tr("Stop loading")) | |
| 67 else: | |
| 68 self.setIcon(UI.PixmapCache.getIcon("reload.png")) | |
| 69 self.setToolTip(self.tr("Reload the current screen")) | |
| 70 | |
| 71 def setLoading(self, loading): | |
| 72 """ | |
| 73 Public method to set the loading state. | |
| 74 | |
| 75 @param loading flag indicating the new loading state | |
| 76 @type bool | |
| 77 """ | |
| 78 self.__loading = loading | |
| 79 self.__updateButton() |
