Ohai!
2011/1/17 Fars- mo <[email protected]>:
> Hugo Parente Lima wrote:
>> > [2] http://bugs.openbossa.org/show_bug.cgi?id=607
> >
>> It's something that you can use on your projects but not necessarily need to
>> be on PySide itself, IMO your attempt to simplify the code failed, not by
>> your
>> bad, but because the original code is already too simple.
>
> Wouldn't it be plain beauty to be able to write a one-line hello world?
>
> with QtGui.QApplication: QtGui.QLabel("Hello world!").show()
The one-liner wouldn't work, because the QLabel will be destroyed
after show() was called (because it drops out of context - you have to
keep a reference to it for it to stay alive).
This can be done with a simple context manager, actually:
============
from contextlib import contextmanager
import sys
from PySide.QtGui import *
@contextmanager
def QtApp():
app = QApplication(sys.argv)
yield app
sys.exit(app.exec_())
============
Usage:
with QtApp():
l = QLabel("Hello world!")
l.show()
Or also with access to the QApplication object should the need arise:
with QtApp() as app:
w = QMainWindow()
w.setWindowTitle('blubb')
pb = QPushButton('heya')
pb.clicked.connect(lambda: app.exit(2))
w.setCentralWidget(pb)
w.show()
Have fun :)
Thomas
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