cola/app.py

   1 # Copyright (C) 2009, David Aguilar <davvid@gmail.com>
   2 """Provides the cola QApplication subclass"""
   3 # style note: we use camelCase here since we're masquerading a Qt class
   4
   5 import os
   6
   7 from PyQt4 import QtCore
   8 from PyQt4 import QtGui
   9
  10 from cola import utils
  11 from cola import resources
  12
  13 class ColaApplication(object):
  14     """The main cola application
  15
  16     ColaApplication handles i18n of user-visible data
  17     """
  18
  19     def __init__(self, argv, locale=None, gui=True):
  20         """Initialize our QApplication for translation
  21         """
  22         # monkey-patch Qt's app translate() to handle .po files
  23         if gui:
  24             self._app = QtGui.QApplication(argv)
  25             self._app.setWindowIcon(QtGui.QIcon(resources.icon('git.svg')))
  26             self._translate_base = QtGui.QApplication.translate
  27             QtGui.QApplication.translate = self.translate
  28         else:
  29             self._app = QtCore.QCoreApplication(argv)
  30             self._translate_base = QtCore.QCoreApplication.translate
  31             QtCore.QCoreApplication.translate = self.translate
  32
  33         # Find the current language settings and apply them
  34         if not locale:
  35             locale = str(QtCore.QLocale().system().name())
  36
  37         qmfile = utils.qm_for_locale(locale)
  38         if os.path.exists(qmfile):
  39             translator = QtCore.QTranslator(self._app)
  40             translator.load(qmfile)
  41             self._app.installTranslator(translator)
  42
  43     def translate(self, context, *args):
  44         """Supports @@noun/@@verb and context-less translation
  45         """
  46         # We set the context to '' to properly handle .qm files
  47         trtxt = unicode(self._translate_base('', *args))
  48         if trtxt[-6:-4] == '@@': # handle @@verb / @@noun
  49             trtxt = trtxt[:-6]
  50         return trtxt
  51
  52     def activeWindow(self):
  53         """Wrap activeWindow()"""
  54         return self._app.activeWindow()
  55
  56     def exec_(self):
  57         """Wrap exec_()"""
  58         return self._app.exec_()
  59
  60     def setStyleSheet(self, txt):
  61         """Wrap setStyleSheet(txt)"""
  62         return self._app.setStyleSheet(txt)