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webengineview.py
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webengineview.py
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import sys
from PySide2.QtWebEngineWidgets import QWebEnginePage, QWebEngineView
from PySide2 import QtCore
_web_actions = [QWebEnginePage.Back, QWebEnginePage.Forward,
QWebEnginePage.Reload,
QWebEnginePage.Undo, QWebEnginePage.Redo,
QWebEnginePage.Cut, QWebEnginePage.Copy,
QWebEnginePage.Paste, QWebEnginePage.SelectAll]
class WebEngineView(QWebEngineView):
enabled_changed = QtCore.Signal(QWebEnginePage.WebAction, bool)
@staticmethod
def web_actions():
return _web_actions
@staticmethod
def minimum_zoom_factor():
return 0.25
@staticmethod
def maximum_zoom_factor():
return 5
def __init__(self, tab_factory_func, window_factory_func):
super(WebEngineView, self).__init__()
self._tab_factory_func = tab_factory_func
self._window_factory_func = window_factory_func
page = self.page()
self._actions = {}
for web_action in WebEngineView.web_actions():
action = page.action(web_action)
action.changed.connect(self._enabled_changed)
self._actions[action] = web_action
def is_web_action_enabled(self, web_action):
return self.page().action(web_action).isEnabled()
def create_window(self, window_type):
if window_type == QWebEnginePage.WebBrowserTab or window_type == QWebEnginePage.WebBrowserBackgroundTab:
return self._tab_factory_func()
return self._window_factory_func()
def _enabled_changed(self):
action = self.sender()
web_action = self._actions[action]
self.enabled_changed.emit(web_action, action.isEnabled())