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Store a reference to the host widget

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Kovid Goyal 2018-10-05 10:22:09 +05:30
parent 4f87ea3ccc
commit 03f1a3eb48
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 15 additions and 1 deletions
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16
src/calibre/gui2/viewer2/web_view.py
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@ -208,6 +208,7 @@ class Inspector(QWidget):
class WebView(RestartingWebEngineView): class WebView(RestartingWebEngineView):
def __init__(self, parent=None): def __init__(self, parent=None):
self._host_widget = None
RestartingWebEngineView.__init__(self, parent) RestartingWebEngineView.__init__(self, parent)
self.dead_renderer_error_shown = False self.dead_renderer_error_shown = False
self.render_process_failed.connect(self.render_process_died) self.render_process_failed.connect(self.render_process_died)
@ -223,7 +224,13 @@ class WebView(RestartingWebEngineView):
if parent is not None: if parent is not None:
self.inspector = Inspector(parent.inspector_dock.toggleViewAction(), self) self.inspector = Inspector(parent.inspector_dock.toggleViewAction(), self)
parent.inspector_dock.setWidget(self.inspector) parent.inspector_dock.setWidget(self.inspector)
# QTimer.singleShot(100, lambda: (parent.inspector_dock.setVisible(True), parent.inspector_dock.setMinimumWidth(450))) # QTimer.singleShot(100, lambda: (parent.inspector_dock.setVisible(True), parent.inspector_dock.setMinimumWidth(650)))
@property
def host_widget(self):
ans = self._host_widget
if ans is not None and not sip.isdeleted(ans):
return ans
def render_process_died(self): def render_process_died(self):
if self.dead_renderer_error_shown: if self.dead_renderer_error_shown:
@ -233,6 +240,13 @@ class WebView(RestartingWebEngineView):
'The Qt WebEngine Render process has crashed.' 'The Qt WebEngine Render process has crashed.'
' You should try restarting the viewer.') , show=True) ' You should try restarting the viewer.') , show=True)
def event(self, event):
if event.type() == event.ChildPolished:
child = event.child()
if 'HostView' in child.metaObject().className():
self._host_widget = child
return QWebEngineView.event(self, event)
def sizeHint(self): def sizeHint(self):
return self._size_hint return self._size_hint