eric6/WebBrowser/Navigation/ReloadStopButton.py

Sat, 27 Feb 2021 12:08:23 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sat, 27 Feb 2021 12:08:23 +0100
changeset 8138
169e65a6787c
parent 7923
91e843545d9a
child 8143
2c730d5fd177
permissions
-rw-r--r--

Shell: added functionality to show a prompt when the main client process has exited (e.g. a script ended).

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

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