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Only load the inspector on demand

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Kovid Goyal 2018-07-29 17:09:07 +05:30
parent c6d6716965
commit 7c09812742
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1 changed files with 26 additions and 4 deletions
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30
src/calibre/gui2/tweak_book/preview.py
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@ -14,8 +14,8 @@ from functools import partial
from threading import Thread
from PyQt5.Qt import (
QApplication, QBuffer, QByteArray, QIcon, QMenu, QSize, QTimer, QToolBar, QUrl,
QVBoxLayout, QWidget, pyqtSignal
QApplication, QBuffer, QByteArray, QHBoxLayout, QIcon, QMenu, QSize, QTimer,
QToolBar, QUrl, QVBoxLayout, QWidget, pyqtSignal
)
from PyQt5.QtWebEngineCore import QWebEngineUrlSchemeHandler
from PyQt5.QtWebEngineWidgets import (
@ -328,15 +328,37 @@ class WebPage(QWebEnginePage):
self.bridge.set_split_mode.emit(1 if enabled else 0)
class Inspector(QWidget):
def __init__(self, parent=None):
QWidget.__init__(self, parent=parent)
self.view_to_debug = parent
self.view = None
self.layout = QHBoxLayout(self)
self.layout.setContentsMargins(0, 0, 0, 0)
QTimer.singleShot(0, self.connect_to_dock)
def connect_to_dock(self):
ac = actions['inspector-dock']
ac.toggled.connect(self.visibility_changed)
if ac.isChecked():
self.visibility_changed(True)
def visibility_changed(self, visible):
if visible and self.view is None:
self.view = QWebEngineView(self.view_to_debug)
self.view_to_debug.page().setDevToolsPage(self.view.page())
self.layout.addWidget(self.view)
class WebView(RestartingWebEngineView):
def __init__(self, parent=None):
RestartingWebEngineView.__init__(self, parent)
self.inspector = QWebEngineView(self)
self.inspector = Inspector(self)
w = QApplication.instance().desktop().availableGeometry(self).width()
self._size_hint = QSize(int(w/3), int(w/2))
self._page = WebPage(self)
self._page.setDevToolsPage(self.inspector.page())
self.setPage(self._page)
self.clear()
self.setAcceptDrops(False)