所以,这里有一些我认为你正在尝试做的事情。当您单击任意位置时,蓝色区域变为绿色。这是通过更改信号传递的对象的颜色属性来完成的。
#!/usr/bin/env python
import sys
from PySide import QtCore
from PySide.QtGui import QApplication
from PySide.QtDeclarative import QDeclarativeView
from PySide.QtOpenGL import QGLWidget
def some_function(passed_object):
passed_object.setProperty("color", "green")
def main(argv):
app = QApplication(argv)
display_widget = QDeclarativeView()
display_widget.setViewport(QGLWidget())
display_widget.setResizeMode(QDeclarativeView.SizeRootObjectToView)
display_widget.setSource(QtCore.QUrl('pass_an_object.qml'))
display_widget.rootObject().object_signal.connect(some_function)
display_widget.show()
display_widget.resize(640,480)
sys.exit(app.exec_())
if __name__ == '__main__':
main(sys.argv)
使用随附的 qml 文件(我称之为 pass_an_object.qml):
import QtQuick 1.0
Rectangle {
id: foo
width: 640
height: 640
color: "red"
signal object_signal(variant foo)
Rectangle {
id: an_object
width: 100
height: 100
color: "blue"
}
MouseArea {
anchors.fill: parent
onClicked: {
object_signal(an_object)
}
}
}