# -*- coding: utf-8 -*-
#  This software and supporting documentation are distributed by
#      Institut Federatif de Recherche 49
#      CEA/NeuroSpin, Batiment 145,
#      91191 Gif-sur-Yvette cedex
#      France
#
# This software is governed by the CeCILL license version 2 under
# French law and abiding by the rules of distribution of free software.
# You can  use, modify and/or redistribute the software under the 
# terms of the CeCILL license version 2 as circulated by CEA, CNRS
# and INRIA at the following URL "http://www.cecill.info". 
#
# As a counterpart to the access to the source code and  rights to copy,
# modify and redistribute granted by the license, users are provided only
# with a limited warranty  and the software's author,  the holder of the
# economic rights,  and the successive licensors  have only  limited
# liability.
#
# In this respect, the user's attention is drawn to the risks associated
# with loading,  using,  modifying and/or developing or reproducing the
# software by the user in light of its specific status of free software,
# that may mean  that it is complicated to manipulate,  and  that  also
# therefore means  that it is reserved for developers  and  experienced
# professionals having in-depth computer knowledge. Users are therefore
# encouraged to load and test the software's suitability as regards their
# requirements in conditions enabling the security of their systems and/or 
# data to be ensured and,  more generally, to use and operate it in the 
# same conditions as regards security.
#
# The fact that you are presently reading this means that you have had
# knowledge of the CeCILL license version 2 and that you accept its terms.

import os, sys
USES_PYSIDE = False
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4 import QtCore
# PyQt / PySide compatibility for signals/slots
if hasattr( QtCore, 'pyqtSignal' ):
  USES_PYSIDE = True
  QtCore.Signal = QtCore.pyqtSignal
  QtCore.Slot= QtCore.pyqtSlot
  QtCore.Property = QtCore.pyqtProperty


# In BrainVISA, we try to use the latest version of PyQt. Unfortunately
# some attributes name are changed between PyQt versions. When such a
# problem is detected, we replace the old attribute name by the new one
# in all BrainVISA and here, we define the new attribute for older PyQt
# versions.

# Qt.WStyle_Dialog has been replaced by Qt.WType_Dialog in PyQt 3.0
if not hasattr( Qt, 'WType_Dialog' ):
  if hasattr(Qt, 'WStyle_Dialog'):
    Qt.WType_Dialog = Qt.WStyle_Dialog
  if hasattr(Qt, 'Dialog'):
    Qt.WType_Dialog = Qt.Dialog

# Qt.WType_Modal has been replaced by Qt.WShowModal in PyQt 3.0
if not hasattr( Qt, 'WShowModal' ):
  if hasattr(Qt, 'WType_Modal'):
    Qt.WShowModal = Qt.WType_Modal

# QWidget.setBackgroundColor has been removed in PyQt 3.0.
# We use QWidget.setPaletteBackgroundColor instead.
if not hasattr( QWidget, 'setPaletteBackgroundColor' ):
  if hasattr(QWidget, 'setBackgroundColor'):
    def setPaletteBackgroundColor( self, color ):
      self.setBackgroundColor( color )
    QWidget.setPaletteBackgroundColor = setPaletteBackgroundColor

# QComboBox.setCurrentText does not exists before Qt 3.0
if not hasattr( QComboBox, 'setCurrentText' ):
  def setCurrentText( self, text ):
    return self.lineEdit().setText( text )
  QComboBox.setCurrentText = setCurrentText

# set plugins path for binary packages (needed on MacOSX/Fink version of Qt)
def setPluginPath():
  if sys.platform[ :6 ] != 'darwin':
    return # not needed on other platforms right now
  try:
    from soma.config import BRAINVISA_SHARE
    shared = BRAINVISA_SHARE
  except ImportError:
    path = os.getenv( 'PATH' ).split( os.pathsep )
    for p in path:
      if p.endswith( '/bin' ) or p.endswith( '\\bin' ):
        p = p[:len(p)-4]
      elif p.endswith( '/bin/commands-links' ) \
        or p.endswith( '\\bin\\commands-links' ):
        p = p[:len(p)-19]
      p = os.path.join( p, 'share' )
      if os.path.isdir( p ):
        shared = p
        break
  if shared is not None:
    p = os.path.normpath( os.path.join( shared, '..', 'lib', 'qt3-plugins' ) )
    QApplication.addLibraryPath( p )

setPluginPath()