#!/usr/bin/env python

"""Entry point for AUIMD.

If this module is run as the main module, it will :
- chdir to this module path
- analyse command line arguments
- create a Desktop object
- start a QApplication with the desktop widget as main window

"""

import os
import sys
import socket
import getopt

from PyQt4 import QtCore, QtGui

# make sure we interpret paths relative to the location of the auimd.py entry point
os.chdir(os.path.dirname(os.path.realpath(sys.argv[0])))

import dbus
import dbus.mainloop.qt

from core.desktop import createDesktop

def usage():
  print "AUIMD - Aggregated User Interface for Mobile Devices.  Usage:"
  print
  print "    "+sys.argv[0]+" [options]"
  print
  print "Options:"
  print
  print "  -d, --device <device>             Set the hardware type (default='dummy',"
  print "                                    show available='list')."
  print "  -f, --fullscreen                  Use the whole screen (default=no)."
  print "  -n, --no-cursor                   Hide the cursor (default=no)."
  print "  -e, --embed <win-id>              Embed into an existing window."
  print "  -h, --help                        Print this message."
  print "  -D, --display <display>           X11 display to use, default : $DISPLAY"
  print "  -g, --geometry <WxH[+X+Y]>        Window geometry, overriden by --fullscreen"
  print


def main():
  try:
    opts, args = getopt.getopt(sys.argv[1:],"d:fne:hD:g:", \
      ["device=", "fullscreen", "no-cursor", "embed=", \
      "help", "display=", "geometry=" ])
  except getopt.GetoptError, err:
    print str(err)
    usage()
    sys.exit(2)

  qt_argv=[sys.argv[0]]
  fullscreen=0
  no_cursor=0
  device="dummy"
  embed=None

  for o, a in opts:
    if o in ("-h", "--help"):
      usage()
      sys.exit()
    elif o in ("-f", "--fullscreen"):
      fullscreen = 1
    elif o in ("-n", "--no-cursor"):
      no_cursor = 1
    elif o in ("-e", "--embed"):
      embed = a
    elif o in ("-d", "--device"):
      if a == "list":
        print "Available devices : "
        for i in os.listdir("devices"):
          if os.path.exists("devices/"+i+"/device.py"): print i
        sys.exit(0)
      else:
        device = a
    elif o in ("-D", "--display"):
      os.environ["DISPLAY"] = a
    elif o in ("-g", "--geometry"):
      qt_argv.extend(("-geometry", a))

  app=QtGui.QApplication(qt_argv)
  dbus.mainloop.qt.DBusQtMainLoop(set_as_default=True)
  dbus.SessionBus().request_name("net.pierrox.auimd")
  d=createDesktop(device, fullscreen, no_cursor, embed)
  d.show()
  app.exec_()

if __name__=="__main__":
  main()