def widgetForQMLUsingQQuickWidget(self, qmlFilename, parentWindow): widget = QQuickWidget() qurl = resourceMgr.urlToQMLResource(resourceSubpath=qmlFilename) widget.setSource(qurl) widget.show() " Return widget both as widget and quickThing having rootObject() " return widget, widget
import sys
from PyQt5.QtCore import QUrl, QMetaObject, Q_ARG, QVariant, QTimer, \
QDate
from PyQt5.QtQuickWidgets import QQuickWidget
from PyQt5.QtWidgets import QApplication
counter = 0
def onTimeout(obj):
global counter
value = {
"lesson": str(counter),
"subject": "PE",
"day": QDate.longDayName(1 + counter % 7)
}
QMetaObject.invokeMethod(obj, "append", Q_ARG(QVariant, value))
counter += 1
if __name__ == '__main__':
app = QApplication(sys.argv)
w = QQuickWidget()
w.setSource(QUrl('main.qml'))
timer = QTimer()
timer.timeout.connect(lambda: onTimeout(w.rootObject()))
timer.start(1000)
w.show()
sys.exit(app.exec_())
class PageThumbnailer(QObject):
def __init__(self, parent=None):
super().__init__(parent)
self._view = QQuickWidget() # QQuickWidget
self._size = QSize(450, 253) * gVar.app.devicePixelRatio()
self._url = QUrl()
self._title = ''
self._loadTitle = False
self._view.setAttribute(Qt.WA_DontShowOnScreen)
self._view.setSource(QUrl('qrc:data/thumbnailer.qml'))
self._view.rootContext().setContextProperty('thumbnailer', self)
self._view.show()
def setSize(self, size):
if size.isValid():
self._size = size
def setUrl(self, url):
if url.isValid():
self._url = url
def url(self):
return self._url
def loadTitle(self):
'''
@return: bool
'''
return self._loadTitle
def setLoadTitle(self, load):
'''
@param: load bool
'''
self._loadTitle = load
def title(self):
title = self._title
if not title:
title = self._url.host()
if not title:
title = self._url.toString()
return title
def start(self):
if self._view.rootObject() and WebView.isUrlValid(self._url):
self._view.rootObject().setProperty('url', self._url)
else:
def func():
self.thumbnailCreated.emit(QPixmap())
QTimer.singleShot(500, func)
# Q_SIGNALS:
thumbnailCreated = pyqtSignal(QPixmap)
# public Q_SLOTS:
@pyqtSlot(result=str)
def afterLoadScript(self):
'''
@return: QString
'''
return Scripts.setCss('::~webkit-scrollbar{display:none;}')
@pyqtSlot(bool)
def createThumbnail(self, status):
'''
@param: status bool
'''
if not status:
self.thumbnailCreated.emit(QPixmap())
return
def func():
self._title = self._view.rootObject().property('title').strip()
img = self._view.grabFramebuffer().scaled(self._size,
Qt.IgnoreAspectRatio,
Qt.SmoothTransformation)
pixmap = QPixmap.fromImage(img)
self.thumbnailCreated.emit(pixmap)
QTimer.singleShot(1000, func)
from PyQt5.QtCore import QStandardPaths, QDir, QUrl
from PyQt5.QtNetwork import QNetworkDiskCache, QNetworkAccessManager
from PyQt5.QtQml import QQmlNetworkAccessManagerFactory
class NetworkAccessManagerFactory(QQmlNetworkAccessManagerFactory):
def __init__(self):
QQmlNetworkAccessManagerFactory.__init__(self)
def create(self, parent):
nam = QNetworkAccessManager(parent)
diskCache = QNetworkDiskCache(nam)
cachePath = QStandardPaths.displayName(QStandardPaths.CacheLocation)
print "cache path:", cachePath
diskCache.setCacheDirectory(cachePath)
diskCache.setMaximumCacheSize(100 * 1024 * 1024) # 设置100M缓存
nam.setCache(diskCache)
return nam
if __name__ == "__main__":
import sys
from PyQt5.QtWidgets import QApplication
from PyQt5.QtQuickWidgets import QQuickWidget
app = QApplication(sys.argv)
widget = QQuickWidget()
factory = NetworkAccessManagerFactory()
widget.engine().setNetworkAccessManagerFactory(factory)
widget.setSource(QUrl("test.qml"))
widget.show()
sys.exit(app.exec_())
elif qtMsgType == QtCore.QtCriticalMsg:
logging.critical(msg)
elif qtMsgType == QtCore.QtFatalMsg:
logging.error(msg)
logging.exception(msg)
else:
logging.error(msg)
class HelloWorld(QtWidgets.QWidget):
def __init__(self, parent=None):
super(HelloWorld, self).__init__() #使用super()方法继承父类
self.resize(250, 150) #改变窗口部件的大小
self.setWindowTitle('Hello Word!') #设置窗口部件标题
class QmlWidget(QQuickWidget):
def __init__(self):
self.setSource(QUrl("test.qml"))
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
# qInstallMessageHandler(handler)
# helloworld = HelloWorld()
# helloworld.show()
logger.init()
view = QQuickWidget()
view.setSource(QUrl.fromLocalFile("temp/test.qml"))
view.show()
sys.exit(app.exec_())
def quickWidgetFromFile(fp: str, parent=None):
qWidget = QQuickWidget(parent)
qWidget.setSource(QUrl.fromLocalFile(fp))
qWidget.show()
return qWidget
