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Current File : //lib/python3/dist-packages/twisted/internet/gtk3reactor.py

# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.

"""
This module provides support for Twisted to interact with the gtk3 mainloop
via Gobject introspection. This is like gi, but slightly slower and requires a
working $DISPLAY.

In order to use this support, simply do the following::

    from twisted.internet import gtk3reactor
    gtk3reactor.install()

If you wish to use a GApplication, register it with the reactor::

    from twisted.internet import reactor
    reactor.registerGApplication(app)

Then use twisted.internet APIs as usual.
"""

from twisted.internet import gireactor
from twisted.python import runtime


class Gtk3Reactor(gireactor.GIReactor):
    """
    A reactor using the gtk3+ event loop.
    """

    def __init__(self):
        """
        Override init to set the C{useGtk} flag.
        """
        gireactor.GIReactor.__init__(self, useGtk=True)


class PortableGtk3Reactor(gireactor.PortableGIReactor):
    """
    Portable GTK+ 3.x reactor.
    """

    def __init__(self):
        """
        Override init to set the C{useGtk} flag.
        """
        gireactor.PortableGIReactor.__init__(self, useGtk=True)


def install():
    """
    Configure the Twisted mainloop to be run inside the gtk3+ mainloop.
    """
    if runtime.platform.getType() == "posix":
        reactor = Gtk3Reactor()
    else:
        reactor = PortableGtk3Reactor()

    from twisted.internet.main import installReactor

    installReactor(reactor)
    return reactor


__all__ = ["install"]