#! /usr/bin/python

import gtk
import gconf
import os

class CheckFontChange:
    def __init__(self):
        client = gconf.client_get_default()
        client.add_dir('/desktop/gnome/font_rendering',
                gconf.CLIENT_PRELOAD_NONE)
        client.notify_add('/desktop/gnome/font_rendering/hinting', self.settings_changed)
        client.notify_add('/desktop/gnome/font_rendering/antialiasing', self.settings_changed)
        client.notify_add('/desktop/gnome/font_rendering/rgba_order', self.settings_changed)
        client.notify_add('/desktop/gnome/font_rendering/dpi', self.settings_changed)

        self._xmlstr_hinting = """
<match target="font" >
   <edit mode="assign" name="hinting" >
    <bool>%s</bool>
   </edit>
</match>

<match target="font" >
   <edit mode="assign" name="hintstyle" >
    <const>hint%s</const>
   </edit>
</match>
"""	

	self._xmlstr_rgba = """
<match target="font" >
   <edit mode="assign" name="rgba" >
    <const>%s</const>
   </edit>
</match>
"""


	self._xmlstr_antialias = """
<match target="font" >
   <edit mode="assign" name="antialias" >
    <bool>%s</bool>
   </edit>
</match>
"""

	self._xmlstr_dpi = """
<match target="font" >
   <edit mode="assign" name="dpi" >
    <double>%s</double>
   </edit>
</match>
"""


	self._xmlstr_header = """<?xml version='1.0'?>
 <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
 <fontconfig>
"""

	

	self._xmlstr_footer = """
</fontconfig>
"""

    def settings_changed(self, client, *args, **kwargs):
        f = open(os.path.join(os.path.expanduser('~'),'.fonts.conf'),"w")
        fcontents =  self._xmlstr_header

        cad = client.get_string('/desktop/gnome/font_rendering/hinting')
        if cad == "none":
		aux = "false" 
	else:
		aux = "true"

        fcontents +=  self._xmlstr_hinting % (aux, cad)
        cad = client.get_string('/desktop/gnome/font_rendering/antialiasing')
        if cad == "none":
		aux = "false" 
	else:
		aux = "true"
        fcontents +=  self._xmlstr_antialias % aux

	if  cad == "rgba":
	   aux = client.get_string('/desktop/gnome/font_rendering/rgba_order')
	elif cad == "none":
	   aux="none"
	else:
	   aux="unknown"
	fcontents += self._xmlstr_rgba % aux

        aux = str(client.get_float('/desktop/gnome/font_rendering/dpi'))
	fcontents += self._xmlstr_dpi % aux

	fcontents += self._xmlstr_footer
	f.write(fcontents)
	f.close()

if __name__ == '__main__':
    CheckFontChange()
    gtk.main()