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SplashScreen.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

#    Copyright (C) 2008-2010 Ivan Garcia <contact@ivangarcia.org>
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License along
#    with this program; if not, write to the Free Software Foundation, Inc.,
#    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

"""
Module implementing a splashscreen
"""

import os.path

from PyQt4.QtCore import Qt
from PyQt4.QtGui import QApplication, QPixmap, QSplashScreen, QColor

00028 class SplashScreen(QSplashScreen):
    """
    Class implementing a splashscreen for babiloo.
    """
00032     def __init__(self):
        """
        Constructor
        """

        img_path = os.path.join(os.getcwd(), 'images', 'splash.png')

        pixmap = QPixmap(img_path)
        self.labelAlignment = Qt.Alignment(Qt.AlignBottom | Qt.AlignRight | Qt.AlignAbsolute)
        QSplashScreen.__init__(self, pixmap)
        self.setMask(pixmap.mask())
        self.show()
        QApplication.flush()

00046     def showMessage(self, msg):
        """
        Public method to show a message in the bottom part of the splashscreen.

        @param msg message to be shown (string or QString)
        """
        QSplashScreen.showMessage(self, msg, self.labelAlignment, QColor(Qt.white))
        QApplication.processEvents()

00055     def clearMessage(self):
        """
        Public method to clear the message shown.
        """
        QSplashScreen.clearMessage(self)
        QApplication.processEvents()

00062 class NoneSplashScreen(object):
    """
    Class implementing a "None" splashscreen for babiloo.

    This class implements the same interface as the real splashscreen,
    but simply does nothing.
    """
00069     def __init__(self):
        """
        Constructor
        """
        pass

00075     def showMessage(self, msg):
        """
        Public method to show a message in the bottom part of the splashscreen.

        @param msg message to be shown (string or QString)
        """
        pass

00083     def clearMessage(self):
        """
        Public method to clear the message shown.
        """
        pass

00089     def finish(self, widget):
        """
        Public method to finish the splash screen.

        @param widget widget to wait for (QWidget)
        """
        pass

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