openlp/openlp.pyw
2011-06-01 08:38:19 +01:00

266 lines
10 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4
###############################################################################
# OpenLP - Open Source Lyrics Projection #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2011 Raoul Snyman #
# Portions copyright (c) 2008-2011 Tim Bentley, Gerald Britton, Jonathan #
# Corwin, Michael Gorven, Scott Guerrieri, Matthias Hub, Meinert Jordan, #
# Armin Köhler, Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias #
# Põldaru, Christian Richter, Philip Ridout, Jeffrey Smith, Maikel #
# Stuivenberg, Martin Thompson, Jon Tibble, Frode Woldsund #
# --------------------------------------------------------------------------- #
# 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; version 2 of the License. #
# #
# 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., 59 #
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
###############################################################################
import os
import sys
import logging
# Import uuid now, to avoid the rare bug described in the support system:
# http://support.openlp.org/issues/102
# If https://bugs.gentoo.org/show_bug.cgi?id=317557 is fixed, the import can be
# removed.
import uuid
from optparse import OptionParser
from traceback import format_exception
from PyQt4 import QtCore, QtGui
from openlp.core.lib import Receiver, check_directory_exists
from openlp.core.lib.ui import UiStrings
from openlp.core.resources import qInitResources
from openlp.core.ui.mainwindow import MainWindow
from openlp.core.ui.firsttimelanguageform import FirstTimeLanguageForm
from openlp.core.ui.firsttimeform import FirstTimeForm
from openlp.core.ui.exceptionform import ExceptionForm
from openlp.core.ui import SplashScreen, ScreenList
from openlp.core.utils import AppLocation, LanguageManager, VersionThread, \
get_application_version, DelayStartThread
log = logging.getLogger()
application_stylesheet = u"""
QMainWindow::separator
{
border: none;
}
QDockWidget::title
{
border: 1px solid palette(dark);
padding-left: 5px;
padding-top: 2px;
margin: 1px 0;
}
QToolBar
{
border: none;
margin: 0;
padding: 0;
}
"""
class OpenLP(QtGui.QApplication):
"""
The core application class. This class inherits from Qt's QApplication
class in order to provide the core of the application.
"""
def exec_(self):
"""
Override exec method to allow the shared memory to be released on exit
"""
QtGui.QApplication.exec_()
self.sharedMemory.detach()
def run(self, args):
"""
Run the OpenLP application.
"""
# On Windows, the args passed into the constructor are
# ignored. Not very handy, so set the ones we want to use.
self.args = args
# provide a listener for widgets to reqest a screen update.
QtCore.QObject.connect(Receiver.get_receiver(),
QtCore.SIGNAL(u'openlp_process_events'), self.processEvents)
QtCore.QObject.connect(Receiver.get_receiver(),
QtCore.SIGNAL(u'cursor_busy'), self.setBusyCursor)
QtCore.QObject.connect(Receiver.get_receiver(),
QtCore.SIGNAL(u'cursor_normal'), self.setNormalCursor)
# Decide how many screens we have and their size
screens = ScreenList(self.desktop())
# First time checks in settings
has_run_wizard = QtCore.QSettings().value(
u'general/has run wizard', QtCore.QVariant(False)).toBool()
if not has_run_wizard:
if FirstTimeForm(screens).exec_() == QtGui.QDialog.Accepted:
QtCore.QSettings().setValue(u'general/has run wizard',
QtCore.QVariant(True))
if os.name == u'nt':
self.setStyleSheet(application_stylesheet)
show_splash = QtCore.QSettings().value(
u'general/show splash', QtCore.QVariant(True)).toBool()
if show_splash:
self.splash = SplashScreen()
self.splash.show()
# make sure Qt really display the splash screen
self.processEvents()
# start the main app window
self.mainWindow = MainWindow(self.clipboard(), self.args)
self.mainWindow.show()
if show_splash:
# now kill the splashscreen
self.splash.finish(self.mainWindow)
log.debug(u'Splashscreen closed')
self.mainWindow.repaint()
self.processEvents()
if not has_run_wizard:
self.mainWindow.firstTime()
update_check = QtCore.QSettings().value(
u'general/update check', QtCore.QVariant(True)).toBool()
if update_check:
VersionThread(self.mainWindow).start()
Receiver.send_message(u'maindisplay_blank_check')
self.mainWindow.appStartup()
DelayStartThread(self.mainWindow).start()
return self.exec_()
def isAlreadyRunning(self):
"""
Look to see if OpenLP is already running and ask if a 2nd copy
is to be started.
"""
self.sharedMemory = QtCore.QSharedMemory('OpenLP')
if self.sharedMemory.attach():
status = QtGui.QMessageBox.critical(None,
UiStrings().Error, UiStrings().OpenLPStart,
QtGui.QMessageBox.StandardButtons(
QtGui.QMessageBox.Yes | QtGui.QMessageBox.No))
if status == QtGui.QMessageBox.No:
return True
return False
else:
self.sharedMemory.create(1)
return False
def hookException(self, exctype, value, traceback):
if not hasattr(self, u'mainWindow'):
log.exception(''.join(format_exception(exctype, value, traceback)))
return
if not hasattr(self, u'exceptionForm'):
self.exceptionForm = ExceptionForm(self.mainWindow)
self.exceptionForm.exceptionTextEdit.setPlainText(
''.join(format_exception(exctype, value, traceback)))
self.setNormalCursor()
self.exceptionForm.exec_()
def setBusyCursor(self):
"""
Sets the Busy Cursor for the Application
"""
self.setOverrideCursor(QtCore.Qt.BusyCursor)
self.processEvents()
def setNormalCursor(self):
"""
Sets the Normal Cursor for the Application
"""
self.restoreOverrideCursor()
def main():
"""
The main function which parses command line options and then runs
the PyQt4 Application.
"""
# Set up command line options.
usage = 'Usage: %prog [options] [qt-options]'
parser = OptionParser(usage=usage)
parser.add_option('-e', '--no-error-form', dest='no_error_form',
action='store_true', help='Disable the error notification form.')
parser.add_option('-l', '--log-level', dest='loglevel',
default='warning', metavar='LEVEL', help='Set logging to LEVEL '
'level. Valid values are "debug", "info", "warning".')
parser.add_option('-p', '--portable', dest='portable',
action='store_true', help='Specify if this should be run as a '
'portable app, off a USB flash drive (not implemented).')
parser.add_option('-d', '--dev-version', dest='dev_version',
action='store_true', help='Ignore the version file and pull the '
'version directly from Bazaar')
parser.add_option('-s', '--style', dest='style',
help='Set the Qt4 style (passed directly to Qt4).')
# Set up logging
log_path = AppLocation.get_directory(AppLocation.CacheDir)
check_directory_exists(log_path)
filename = os.path.join(log_path, u'openlp.log')
logfile = logging.FileHandler(filename, u'w')
logfile.setFormatter(logging.Formatter(
u'%(asctime)s %(name)-55s %(levelname)-8s %(message)s'))
log.addHandler(logfile)
logging.addLevelName(15, u'Timer')
# Parse command line options and deal with them.
(options, args) = parser.parse_args()
qt_args = []
if options.loglevel.lower() in ['d', 'debug']:
log.setLevel(logging.DEBUG)
print 'Logging to:', filename
elif options.loglevel.lower() in ['w', 'warning']:
log.setLevel(logging.WARNING)
else:
log.setLevel(logging.INFO)
if options.style:
qt_args.extend(['-style', options.style])
# Throw the rest of the arguments at Qt, just in case.
qt_args.extend(args)
# Initialise the resources
qInitResources()
# Now create and actually run the application.
app = OpenLP(qt_args)
# Instance check
if app.isAlreadyRunning():
sys.exit()
app.setOrganizationName(u'OpenLP')
app.setOrganizationDomain(u'openlp.org')
app.setApplicationName(u'OpenLP')
app.setApplicationVersion(get_application_version()[u'version'])
# First time checks in settings
if not QtCore.QSettings().value(u'general/has run wizard',
QtCore.QVariant(False)).toBool():
if not FirstTimeLanguageForm().exec_():
# if cancel then stop processing
sys.exit()
if sys.platform == u'darwin':
OpenLP.addLibraryPath(QtGui.QApplication.applicationDirPath()
+ "/qt4_plugins")
# i18n Set Language
language = LanguageManager.get_language()
app_translator, default_translator = \
LanguageManager.get_translator(language)
if not app_translator.isEmpty():
app.installTranslator(app_translator)
if not default_translator.isEmpty():
app.installTranslator(default_translator)
else:
log.debug(u'Could not find default_translator.')
if not options.no_error_form:
sys.excepthook = app.hookException
sys.exit(app.run(qt_args))
if __name__ == u'__main__':
"""
Instantiate and run the application.
"""
main()