def updatePaintNode(self, oldNode, updatePaintData):
node = None
geo = None
if not oldNode:
node = QtQuick.QSGGeometryNode()
geo = QtQuick.QSGGeometry(QtQuick.QSGGeometry.defaultAttributes_Point2D(), self._count)
geo.setLineWidth(2)
geo.setDrawingMode(QtQuick.QSGGeometry.DrawLineStrip)
node.setGeometry(geo)
node.setFlag(QtQuick.QSGNode.OwnsGeometry)
else:
node = oldNode
geo = node.geometry()
geo.allocate(self._count)
itemSize = self.size()
verts = geo.vertexData()
# 出现了bug,这里pyside返回不正常
for x in xrange(self._count):
t = x / (self._count - 1)
invt = 1 - t
pos = invt * invt * invt * self._p1 + 3 * invt * invt * t * self._p2 + 3 * invt * t * t * self._p3 + t * t * t * self._p4
x = pos.x() * itemSize.width()
y = pos.y() * itemSize.height()
verts[x].set(x, y)
node.markDirty(QtQuick.QSGNode.DirtyGeometry)
return node
def testQMLFunctionCall(self):
app = QtGui.QGuiApplication(sys.argv)
view = QtQuick.QQuickView()
obj = PythonObject()
context = view.rootContext()
context.setContextProperty("python", obj)
view.setSource(
QtCore.QUrl.fromLocalFile(adjust_filename('bug_451.qml',
__file__)))
root = view.rootObject()
root.simpleFunction()
self.assertEqual(obj.called, "simpleFunction")
root.oneArgFunction(42)
self.assertEqual(obj.called, "oneArgFunction")
self.assertEqual(obj.arg1, 42)
root.twoArgFunction(10, app)
self.assertEqual(obj.called, "twoArgFunction")
self.assertEqual(obj.arg1, 10)
self.assertEqual(obj.arg2, app)
rvalue = root.returnFunction()
self.assertEqual(obj.called, "returnFunction")
self.assertEqual(rvalue, 42)
def updatePaintNode(self, old_node, data):
if self.__has_image:
if self.__node is None:
self.__node = QtQuick.QSGNode()
new_texture_node = QtQuick.QSGSimpleTextureNode()
self.__node.appendChildNode(new_texture_node)
texture_node = self.__node.firstChild()
if self.__should_refresh_node_texture:
new_texture = self.window().createTextureFromImage(
self.__image)
texture_node.setFiltering(QtQuick.QSGTexture.Linear)
texture_node.setTexture(new_texture)
self.__should_refresh_node_texture = False
# Get size values for aspect ratio calculation
bounding_rect = self.boundingRect()
texture_size = texture_node.texture().textureSize()
# Make the texture node (which is a child of the main node) fill the full component bounds
texture_node.setRect(bounding_rect)
if (
texture_size.width() > texture_size.height()
): # Account for Spotify images that are wider than their container
# Calculate portion of texture to use to correct for container's aspect ratio
slice_width = (bounding_rect.width() /
bounding_rect.height()) * texture_size.height()
slice_x = (texture_size.width() / 2) - (slice_width / 2)
# Use calculated slice as area of texture to apply to the texture node
texture_node.setSourceRect(slice_x, 0, slice_width,
texture_size.height())
else: # Account for album images being applied to a wider container
slice_height = (bounding_rect.height() /
bounding_rect.width()) * texture_size.width()
slice_y = (texture_size.height() / 2) - (slice_height / 2)
texture_node.setSourceRect(0, slice_y, texture_size.width(),
slice_height)
return self.__node
def testSlotRetur(self):
view = QtQuick.QQuickView()
proxy = ProxyObject()
context = view.rootContext()
context.setContextProperty("proxy", proxy)
view.setSource(QtCore.QUrl.fromLocalFile(adjust_filename('bug_726.qml', __file__)))
root = view.rootObject()
button = root.findChild(QtCore.QObject, "buttonMouseArea")
view.show()
button.entered.emit()
self.assertEqual(proxy._receivedName, "PySideObject")
def testFailConnection(self):
self.buttonClicked = False
self.buttonFailClicked = False
view = QtQuick.QQuickView()
view.setSource(QtCore.QUrl.fromLocalFile(adjust_filename('connect_python_qml.qml', __file__)))
root = view.rootObject()
button = root.findChild(QtCore.QObject, "buttonMouseArea")
self.assertRaises(TypeError, QtCore.QObject.connect, [button,QtCore.SIGNAL('entered()'), self.onButtonFailClicked])
button.entered.connect(self.onButtonClicked)
button.entered.emit()
view.show()
self.app.exec_()
self.assertTrue(self.buttonClicked)
def testQMLFunctionCall(self):
ownerData = QtQml.QQmlPropertyMap()
ownerData.insert('name', 'John Smith')
ownerData.insert('phone', '555-5555')
ownerData.insert('newValue', '')
view = QtQuick.QQuickView()
ctxt = view.rootContext()
ctxt.setContextProperty('owner', ownerData)
view.setSource(
QtCore.QUrl.fromLocalFile(adjust_filename('bug_997.qml',
__file__)))
view.show()
QtCore.QTimer.singleShot(1000, self.app.quit)
self.app.exec_()
self.assertEqual(ownerData.value('newName'), ownerData.value('name'))
def testSlotRetur(self):
view = QtQuick.QQuickView()
rotatevalue = RotateValue()
timer = QtCore.QTimer()
timer.start(2000)
context = view.rootContext()
context.setContextProperty("rotatevalue", rotatevalue)
view.setSource(
QtCore.QUrl.fromLocalFile(adjust_filename('bug_456.qml',
__file__)))
root = view.rootObject()
button = root.findChild(QtCore.QObject, "buttonMouseArea")
view.show()
button.entered.emit()
self.assertEqual(rotatevalue.rotation, 100)
def testQQuickItemGrabToImageSharedPointer(self):
view = QtQuick.QQuickView()
view.setSource(
QtCore.QUrl.fromLocalFile(
adjust_filename('qquickitem_grabToImage.qml', __file__)))
view.show()
# Get the QQuickItem objects for the blue Rectangle and the Image item.
root = view.rootObject()
blueRectangle = root.findChild(QtQuick.QQuickItem, "blueRectangle")
imageContainer = root.findChild(QtQuick.QQuickItem, "imageContainer")
# Start the image grabbing.
grabResultSharedPtr = blueRectangle.grabToImage()
# Implicit call of operator bool() of the smart pointer, to check that it holds
# a valid pointer.
self.assertTrue(grabResultSharedPtr)
self.grabbedColor = None
def onGrabReady():
# Signal early exit.
QtCore.QTimer.singleShot(0, self.app.quit)
# Show the grabbed image in the QML Image item.
imageContainer.setProperty("source", grabResultSharedPtr.url())
# Wait for signal when grabbing is complete.
grabResultSharedPtr.ready.connect(onGrabReady)
self.app.exec_()
# Get the first pixel color of the grabbed image.
self.image = grabResultSharedPtr.image()
self.assertTrue(self.image)
self.grabbedColor = self.image.pixelColor(0, 0)
self.assertTrue(self.grabbedColor.isValid())
# Compare the grabbed color with the one we set in the rectangle.
blueColor = QtGui.QColor("blue")
self.assertEqual(self.grabbedColor, blueColor)
# coding: utf-8
from PySide2 import QtWidgets, QtCore, QtGui, QtQuick, QtQml
import sys
import os
from resources import qmlB
if __name__ == '__main__':
# app = QtWidgets.QApplication(sys.argv[1:])
app = QtGui.QGuiApplication(sys.argv[1:])
# import path 是qml中用来improt 的路径，类似python sys.path
# plugin path 是能读到qmdir的路径
# root是item 只能用view来启动
view = QtQuick.QQuickView()
view.setResizeMode(QtQuick.QQuickView.SizeRootObjectToView)
view.engine().addImportPath(os.path.join(os.path.dirname(__file__), 'imports'))
view.setSource("qrc:/main2.qml")
#注意，qrc中的qml，貌似存在刷新问题,建议直接读取qml文件
view.show()
sys.exit(app.exec_())
def initialize(self):
# create a MonitorModel to communicate with the QML view
self.monitor_model = MonitorModel()
self.monitors = self.monitor_model.monitors
# create a SettingsModel to communicate with the settings drawer
# in the QML view
self.settings_model = SettingsModel(self)
# connect the statAdded and statRemoved signals
self.settings_model.statAdded.connect(self.add_stat)
self.settings_model.statRemoved.connect(self.remove_stat)
if self.qapp is None:
self.qapp = QtWidgets.QApplication(sys.argv)
# add custom fonts
font_db = QtGui.QFontDatabase()
font_paths = [
self.get_asset_path('Raleway-Regular.ttf'),
self.get_asset_path('RobotoMono-Regular.ttf')
]
for font_path in font_paths:
font_id = font_db.addApplicationFont(font_path)
if font_id == -1:
logging.warn(f'Could not load font ({font_path})')
font = QtGui.QFont('Raleway')
self.qapp.setFont(font)
# set favicon
icon_info = [('icons/favicon-16x16.png', (16, 16)),
('icons/favicon-32x32.png', (32, 32)),
('icons/android-chrome-192x192.png', (192, 192)),
('icons/android-chrome-256x256.png', (256, 256))]
app_icon = QtGui.QIcon()
for path, size in icon_info:
app_icon.addFile(self.get_asset_path(path),
QtCore.QSize(*size))
self.qapp.setWindowIcon(app_icon)
for stat in self.initial_stats:
self.add_stat(stat, add_to_config=False)
view = QtQuick.QQuickView()
view.setResizeMode(QtQuick.QQuickView.SizeRootObjectToView)
root_context = view.rootContext()
# make monitor model and settings model available in QML
root_context.setContextProperty('monitorModel', self.monitor_model)
root_context.setContextProperty('settingsModel', self.settings_model)
# qml/view.qml is the root QML file
qml_file = os.path.join(os.path.dirname(__file__), 'qml', 'view.qml')
view.setSource(QtCore.QUrl.fromLocalFile(os.path.abspath(qml_file)))
if view.status() == QtQuick.QQuickView.Error:
sys.exit(-1)
def signal_handler(signal, frame):
# the app can not gracefully quit
# when there is a keyboard interrupt
# because the QAbstractListModel catches all errors
# in a part of its code
print()
os._exit(0)
signal.signal(signal.SIGINT, signal_handler)
view.show()
self.qapp.exec_()
self.quit()
import PySide2.QtWidgets as Qw
import PySide2.QtQuick as Qq
import PySide2.QtCore as Qc
app = Qw.QApplication([])
view = Qq.QQuickView()
url = Qc.QUrl('view.qml')
# Expand green rectangle with the View
view.setResizeMode(Qq.QQuickView.SizeRootObjectToView)
view.setSource(url)
view.show()
app.exec_()
