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# Copyright (C) 2012 Gonzalo Odiard <gonzalo@laptop.org>
# Based in code form Flavio Danesse <fdanesse@activitycentral.com>
# and Ariel Calzada <ariel.calzada@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os
import shutil
from gettext import gettext as _
from gobject import SIGNAL_RUN_FIRST
import gio
from sugar.graphics.menuitem import MenuItem
from sugar.graphics.toolbutton import ToolButton
from sugar import env
DEFAULT_FONTS = ['Sans', 'Serif', 'Monospace']
USER_FONTS_FILE_PATH = env.get_profile_path('fonts')
GLOBAL_FONTS_FILE_PATH = '/etc/sugar_fonts'
class FontButton(ToolButton):
__gsignals__ = {
'changed': (SIGNAL_RUN_FIRST, None, []),
}
def __init__(self):
ToolButton.__init__(self, icon_name='font-text',
tooltip=_('Select font'))
self.connect('clicked', self.__font_selection_cb)
context = self.get_pango_context()
self._init_font_list()
self._font_name = 'Sans'
font_names = []
for family in context.list_families():
name = family.get_name()
if name in self._font_white_list:
font_names.append(name)
for font_name in sorted(font_names):
menu_item = MenuItem(font_name)
markup = '<span font="%s">%s</span>' % (font_name, font_name)
menu_item.get_children()[0].set_markup(markup)
menu_item.connect('activate', self.__menu_activated, font_name)
self.props.palette.menu.append(menu_item)
menu_item.show()
self.show()
def __font_selection_cb(self, widget):
if self.props.palette:
if not self.props.palette.is_up():
self.props.palette.popup(immediate=True,
state=self.props.palette.SECONDARY)
else:
self.props.palette.popdown(immediate=True)
return
def __menu_activated(self, menu, font_name):
self._font_name = font_name
self.emit('changed')
def set_font_name(self, font_name):
self._font_name = font_name
def get_font_name(self):
return self._font_name
def _init_font_list(self):
self._font_white_list = []
self._font_white_list.extend(DEFAULT_FONTS)
# check if there are a user configuration file
if not os.path.exists(USER_FONTS_FILE_PATH):
# verify if exists a file in /etc
if os.path.exists(GLOBAL_FONTS_FILE_PATH):
shutil.copy(GLOBAL_FONTS_FILE_PATH, USER_FONTS_FILE_PATH)
if os.path.exists(USER_FONTS_FILE_PATH):
# get the font names in the file to the white list
fonts_file = open(USER_FONTS_FILE_PATH)
# get the font names in the file to the white list
for line in fonts_file:
self._font_white_list.append(line.strip())
# monitor changes in the file
gio_fonts_file = gio.File(USER_FONTS_FILE_PATH)
self.monitor = gio_fonts_file.monitor_file()
self.monitor.set_rate_limit(5000)
self.monitor.connect('changed', self._reload_fonts)
def _reload_fonts(self, monitor, gio_file, other_file, event):
if event != gio.FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
return
self._font_white_list = []
self._font_white_list.extend(DEFAULT_FONTS)
fonts_file = open(USER_FONTS_FILE_PATH)
for line in fonts_file:
self._font_white_list.append(line.strip())
# update the menu
for child in self.props.palette.menu.get_children():
self.props.palette.menu.remove(child)
child = None
context = self.get_pango_context()
tmp_list = []
for family in context.list_families():
name = family.get_name()
if name in self._font_white_list:
tmp_list.append(name)
for font_name in sorted(tmp_list):
menu_item = MenuItem(font_name)
markup = '<span font="%s">%s</span>' % (font_name, font_name)
menu_item.get_children()[0].set_markup(markup)
menu_item.connect('activate', self.__menu_activated, font_name)
self.props.palette.menu.append(menu_item)
menu_item.show()
return False
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