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  • Committer: Facundo Batista
  • Date: 2013-04-02 21:23:58 UTC
  • mto: (151.2.3 trunk)
  • mto: This revision was merged to the branch mainline in revision 154.
  • Revision ID: facundo@taniquetil.com.ar-20130402212358-h1hlb5f65oftqyvb
Have a throbber (or spinner).

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encuentro/ui/throbber.py
 
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# -*- coding: UTF-8 -*-
 
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# Copyright 2013 Facundo Batista
 
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#
 
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# This program is free software: you can redistribute it and/or modify it
 
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# under the terms of the GNU General Public License version 3, as published
 
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# by the Free Software Foundation.
 
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#
 
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# This program is distributed in the hope that it will be useful, but
 
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# WITHOUT ANY WARRANTY; without even the implied warranties of
 
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# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
 
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# PURPOSE.  See the GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License along
 
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# with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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#
 
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# For further info, check  https://launchpad.net/encuentro
 
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"""A throbber."""
 
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import sys
 
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from os import path
 
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from PyQt4.QtGui import (
 
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    QLabel,
 
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    QMovie,
 
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)
 
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from PyQt4.QtCore import Qt
 
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BASEDIR = path.abspath(path.dirname(path.dirname(path.realpath(sys.argv[0]))))
 
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class Throbber(QLabel):
 
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    """A throbber."""
 
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    def __init__(self):
 
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        super(Throbber, self).__init__()
 
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        self.setAlignment(Qt.AlignCenter)
 
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        fname = path.join(BASEDIR, "encuentro/ui/media/throbber.gif")
 
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        self._movie = QMovie(fname)
 
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        self.setMovie(self._movie)
 
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    def hide(self):
 
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        """Overload to control the movie."""
 
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        self._movie.stop()
 
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        super(Throbber, self).hide()
 
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    def show(self):
 
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        """Overload to control the movie."""
 
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        self._movie.start()
 
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        super(Throbber, self).show()