# -*- coding: utf-8 -*-

import os
import sys
import platform

from tulip import *
from tulipogl import *

# fix an ubuntu bug when using the nvidia driver,
# when the python interpreter dynamically loads the GL library,
# it ends up loading the mesa one instead of the nvidia one.
# The use of the tulipgui module through the classical python intrepreter
# was quite unusable because of that ...
# Apply the workaround proposed here : https://bugs.launchpad.net/ubuntu/+source/python-qt4/+bug/941826
if hasattr(os, 'uname'):
    if os.uname()[3].lower().find('ubuntu') != -1:
        import ctypes.util
        ctypes.CDLL(ctypes.util.find_library('GL'), ctypes.RTLD_GLOBAL)

_tulipGuiNativeLibsPath = os.path.dirname(__file__) + '/native/'

sys.path.append(_tulipGuiNativeLibsPath)

if platform.system() == 'Windows':
    os.environ['PATH'] = _tulipGuiNativeLibsPath + ';' + os.environ['PATH']

import _tulipgui

sys.path.pop()

class tlpgui(_tulipgui.tlpgui):
    pass

def tulipguiExitFunc():
    import tulipgui
    tulipgui.tlpgui.runQtMainLoop()

tlp.loadTulipPluginsFromDir(_tulipGuiNativeLibsPath + 'plugins')

# Check if we are in script execution mode (sys.ps1 is not defined in that case)
# If so, register an exit callback that will run the Qt event loop if some widgets are
# still in a visible state
if not hasattr(sys, 'ps1') and not sys.flags.interactive:
    import atexit
    atexit.register(tulipguiExitFunc)

import signal
signal.signal(signal.SIGINT, signal.SIG_DFL)

if not sys.argv[0] == 'tulip':
    tlpgui.initInteractorsDependencies()

__all__ = ['tlpgui']