Mercurial Repositories > eric / file comparison
comparison: src/eric7/WebBrowser/WebInspector.py
src/eric7/WebBrowser/WebInspector.py
- branch
- eric7
- changeset 9209
- b99e7fd55fd3
- parent 8881
- 54e42bc2437a
- child 9221
- bf71ee032bb4
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| 9208:3fc8dfeb6ebe | 9209:b99e7fd55fd3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2015 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a QWebEngineView to load the web inspector in. | |
| 8 """ | |
| 9 | |
| 10 from PyQt6.QtCore import pyqtSignal, QSize | |
| 11 from PyQt6.QtWebEngineCore import QWebEnginePage, QWebEngineSettings | |
| 12 from PyQt6.QtWebEngineWidgets import QWebEngineView | |
| 13 | |
| 14 import Preferences | |
| 15 | |
| 16 _VIEWS = [] | |
| 17 | |
| 18 | |
| 19 class WebInspector(QWebEngineView): | |
| 20 """ | |
| 21 Class implementing a QWebEngineView to load the web inspector in. | |
| 22 | |
| 23 @signal inspectorClosed emitted to indicate the closing of the inspector | |
| 24 window | |
| 25 """ | |
| 26 inspectorClosed = 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().__init__(parent) | |
| 36 | |
| 37 self.__view = None | |
| 38 self.__inspectElement = False | |
| 39 | |
| 40 self.__reloadGeometry() | |
| 41 | |
| 42 registerView(self) | |
| 43 | |
| 44 self.page().windowCloseRequested.connect(self.close) | |
| 45 self.page().loadFinished.connect(self.__loadFinished) | |
| 46 | |
| 47 def closeEvent(self, evt): | |
| 48 """ | |
| 49 Protected method to save the geometry when closed. | |
| 50 | |
| 51 @param evt event object | |
| 52 @type QCloseEvent | |
| 53 """ | |
| 54 Preferences.setGeometry("WebInspectorGeometry", self.saveGeometry()) | |
| 55 super().closeEvent(evt) | |
| 56 | |
| 57 if evt.isAccepted(): | |
| 58 self.inspectorClosed.emit() | |
| 59 | |
| 60 def __reloadGeometry(self): | |
| 61 """ | |
| 62 Private method to restore the geometry. | |
| 63 """ | |
| 64 geom = Preferences.getGeometry("WebInspectorGeometry") | |
| 65 if geom.isEmpty(): | |
| 66 s = QSize(600, 600) | |
| 67 self.resize(s) | |
| 68 else: | |
| 69 self.restoreGeometry(geom) | |
| 70 | |
| 71 def setView(self, view, inspectElement=False): | |
| 72 """ | |
| 73 Public method to connect a view to this inspector. | |
| 74 | |
| 75 @param view reference to the view object | |
| 76 @type WebBrowserView | |
| 77 @param inspectElement flag indicating to start a web inspection | |
| 78 @type bool | |
| 79 """ | |
| 80 self.__view = view | |
| 81 if not self.isEnabled(): | |
| 82 return | |
| 83 | |
| 84 self.__inspectElement = inspectElement | |
| 85 | |
| 86 self.page().setInspectedPage(self.__view.page()) | |
| 87 | |
| 88 def inspectElement(self): | |
| 89 """ | |
| 90 Public method to inspect an element. | |
| 91 """ | |
| 92 self.__inspectElement = True | |
| 93 | |
| 94 @classmethod | |
| 95 def isEnabled(cls): | |
| 96 """ | |
| 97 Class method to check, if the web inspector is enabled. | |
| 98 | |
| 99 @return flag indicating the enabled state | |
| 100 @rtype bool | |
| 101 """ | |
| 102 from WebBrowser.WebBrowserWindow import WebBrowserWindow | |
| 103 if not WebBrowserWindow.webSettings().testAttribute( | |
| 104 QWebEngineSettings.WebAttribute.JavascriptEnabled): | |
| 105 return False | |
| 106 | |
| 107 return True | |
| 108 | |
| 109 def __loadFinished(self): | |
| 110 """ | |
| 111 Private slot handling the finished signal. | |
| 112 """ | |
| 113 if self.__inspectElement: | |
| 114 self.__view.triggerPageAction( | |
| 115 QWebEnginePage.WebAction.InspectElement) | |
| 116 self.__inspectElement = False | |
| 117 | |
| 118 | |
| 119 def registerView(view): | |
| 120 """ | |
| 121 Function to register a view. | |
| 122 | |
| 123 @param view reference to the view | |
| 124 @type WebBrowserView | |
| 125 """ | |
| 126 if _VIEWS is None: | |
| 127 return | |
| 128 | |
| 129 _VIEWS.insert(0, view) | |
| 130 | |
| 131 | |
| 132 def unregisterView(view): | |
| 133 """ | |
| 134 Function to unregister a view. | |
| 135 | |
| 136 @param view reference to the view | |
| 137 @type WebBrowserView | |
| 138 """ | |
| 139 if _VIEWS is None: | |
| 140 return | |
| 141 | |
| 142 if view in _VIEWS: | |
| 143 _VIEWS.remove(view) | |
| 144 | |
| 145 | |
| 146 def pushView(view): | |
| 147 """ | |
| 148 Function to push a view to the front of the list. | |
| 149 | |
| 150 @param view reference to the view | |
| 151 @type WebBrowserView | |
| 152 """ | |
| 153 if _VIEWS is None: | |
| 154 return | |
| 155 | |
| 156 if view in _VIEWS: | |
| 157 _VIEWS.remove(view) | |
| 158 _VIEWS.insert(0, view) |
