eric7/WebBrowser/Navigation/ReloadStopButton.py

branch
eric7
changeset 8312
800c432b34c8
parent 8218
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child 8318
962bce857696
equal deleted inserted replaced
8311:4e8b98454baa 8312:800c432b34c8
1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2017 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
4 #
5
6 """
7 Module implementing a button alternating between reload and stop.
8 """
9
10 from PyQt5.QtCore import pyqtSlot, pyqtSignal, Qt
11
12 from E5Gui.E5ToolButton import E5ToolButton
13
14 import UI.PixmapCache
15
16
17 class ReloadStopButton(E5ToolButton):
18 """
19 Class implementing a button alternating between reload and stop.
20
21 @signal reloadClicked() emitted to initiate a reload action
22 @signal stopClicked() emitted to initiate a stop action
23 """
24 reloadClicked = pyqtSignal()
25 stopClicked = pyqtSignal()
26
27 def __init__(self, parent=None):
28 """
29 Constructor
30
31 @param parent reference to the parent widget
32 @type QWidget
33 """
34 super().__init__(parent)
35
36 self.setObjectName("navigation_reloadstop_button")
37 self.setToolButtonStyle(Qt.ToolButtonStyle.ToolButtonIconOnly)
38 self.setFocusPolicy(Qt.FocusPolicy.NoFocus)
39 self.setAutoRaise(True)
40
41 self.__loading = False
42
43 self.clicked.connect(self.__buttonClicked)
44
45 self.__updateButton()
46
47 @pyqtSlot()
48 def __buttonClicked(self):
49 """
50 Private slot handling a user clicking the button.
51 """
52 if self.__loading:
53 self.stopClicked.emit()
54 else:
55 self.reloadClicked.emit()
56
57 @pyqtSlot()
58 def __updateButton(self):
59 """
60 Private slot to update the button.
61 """
62 if self.__loading:
63 self.setIcon(UI.PixmapCache.getIcon("stopLoading"))
64 self.setToolTip(self.tr("Stop loading"))
65 else:
66 self.setIcon(UI.PixmapCache.getIcon("reload"))
67 self.setToolTip(self.tr("Reload the current screen"))
68
69 def setLoading(self, loading):
70 """
71 Public method to set the loading state.
72
73 @param loading flag indicating the new loading state
74 @type bool
75 """
76 self.__loading = loading
77 self.__updateButton()

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