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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 gi.repository import Gtk
from gi.repository import GObject
from gi.repository import Gio
from sugar3.graphics.icon import Icon
from sugar3.graphics.palette import Palette, ToolInvoker
from sugar3.graphics.palettemenu import PaletteMenuBox
from sugar3.graphics.palettemenu import PaletteMenuItem
from sugar3.graphics import style
from sugar3 import env
DEFAULT_FONTS = ['Sans', 'Serif', 'Monospace']
USER_FONTS_FILE_PATH = env.get_profile_path('fonts')
GLOBAL_FONTS_FILE_PATH = '/etc/sugar_fonts'
class FontLabel(Gtk.Label):
def __init__(self, default_font='Sans'):
Gtk.Label.__init__(self)
self._font = None
self.set_font(default_font)
def set_font(self, font):
if self._font != font:
self.set_markup('<span font="%s">%s</span>' % (font, font))
class FontComboBox(Gtk.ToolItem):
__gsignals__ = {
'changed': (GObject.SignalFlags.RUN_LAST, None, ([])), }
def __init__(self):
self._palette_invoker = ToolInvoker()
Gtk.ToolItem.__init__(self)
self._font_label = FontLabel()
bt = Gtk.Button('')
bt.remove(bt.get_children()[0])
box = Gtk.HBox()
bt.add(box)
icon = Icon(icon_name='font-text')
box.pack_start(icon, False, False, 10)
box.pack_start(self._font_label, False, False, 10)
self.add(bt)
self.show_all()
self._font_name = 'Sans'
# theme the button, can be removed if add the style to the sugar css
if style.zoom(100) == 100:
subcell_size = 15
else:
subcell_size = 11
radius = 2 * subcell_size
theme = "GtkButton {border-radius: %dpx;}" % radius
css_provider = Gtk.CssProvider()
css_provider.load_from_data(theme)
style_context = bt.get_style_context()
style_context.add_provider(css_provider,
Gtk.STYLE_PROVIDER_PRIORITY_USER)
# init palette
self._hide_tooltip_on_click = True
self._palette_invoker.attach_tool(self)
self._palette_invoker.props.toggle_palette = True
self.palette = Palette('Select font')
self.palette.set_invoker(self._palette_invoker)
# load the fonts in the palette menu
self._menu_box = PaletteMenuBox()
self.props.palette.set_content(self._menu_box)
self._menu_box.show()
context = self.get_pango_context()
self._init_font_list()
tmp_list = []
for family in context.list_families():
name = family.get_name()
if name in self._font_white_list:
tmp_list.append(name)
for name in sorted(tmp_list):
self._add_menu(name, self.__font_selected_cb)
self._font_label.set_font(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.new_for_path(USER_FONTS_FILE_PATH)
self.monitor = gio_fonts_file.monitor_file(
Gio.FileMonitorFlags.NONE, None)
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.FileMonitorEvent.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._menu_box.get_children():
self._menu_box.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 name in sorted(tmp_list):
self._add_menu(name, self.__font_selected_cb)
return False
def __font_selected_cb(self, menu, font_name):
self._font_name = font_name
self._font_label.set_font(font_name)
self.emit('changed')
def _add_menu(self, font_name, activate_cb):
label = '<span font="%s">%s</span>' % (font_name, font_name)
menu_item = PaletteMenuItem()
menu_item.set_label(label)
menu_item.connect('activate', activate_cb, font_name)
self._menu_box.append_item(menu_item)
menu_item.show()
def __destroy_cb(self, icon):
if self._palette_invoker is not None:
self._palette_invoker.detach()
def create_palette(self):
return None
def get_palette(self):
return self._palette_invoker.palette
def set_palette(self, palette):
self._palette_invoker.palette = palette
palette = GObject.property(
type=object, setter=set_palette, getter=get_palette)
def get_palette_invoker(self):
return self._palette_invoker
def set_palette_invoker(self, palette_invoker):
self._palette_invoker.detach()
self._palette_invoker = palette_invoker
palette_invoker = GObject.property(
type=object, setter=set_palette_invoker, getter=get_palette_invoker)
def set_font_name(self, font_name):
self._font_label.set_font(font_name)
def get_font_name(self):
return self._font_name
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