# vim:set et sts=4 sw=4:

#

# ibus - The Input Bus

#

# Copyright (c) 2007-2015 Peng Huang <shawn.p.huang@gmail.com>

# Copyright (c) 2007-2015 Red Hat, Inc.

#

# This library is free software; you can redistribute it and/or

# modify it under the terms of the GNU Lesser General Public

# License as published by the Free Software Foundation; either

# version 2.1 of the License, or (at your option) any later version.

#

# This library 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

# Lesser General Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public

# License along with this library; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301

# USA

from gi.repository import IBus

from gi.repository import Gdk

from gi.repository import GdkPixbuf

from gi.repository import Gtk

from gi.repository import Pango

import i18n

from i18n import _, N_

class EngineAbout(Gtk.Dialog):

    def __init__(self, engine, transient_for = None):

        self.__engine_desc = engine

        super(EngineAbout, self).__init__(

                title = _("About"),

                transient_for = transient_for)

        buttons = (_("_Close"), Gtk.ResponseType.CLOSE)

        self.add_buttons(*buttons)

        self.__init_ui()

    def __init_ui(self):

        # set_icon_name() cannot fallback any stock ids to the real files.

        self.set_icon_name('help-about')

        sw = Gtk.ScrolledWindow()

        sw.set_shadow_type(Gtk.ShadowType.ETCHED_IN)

        sw.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)

        sw.set_size_request(400, 400)

        self.__text_view = Gtk.TextView()

        self.__text_view.set_editable(False)

        sw.add(self.__text_view)

        sw.show_all()

        self.vbox.pack_start(sw, True, True, 0)

        self.__fill_text_view()

    def __fill_text_view(self):

        text_buffer = self.__text_view.get_buffer()

        self.__create_tags(text_buffer)

        iter = text_buffer.get_iter_at_offset(0)

        text_buffer.insert_with_tags_by_name(iter, "\n ",

                                             "left_margin_16")

        text_buffer.insert_pixbuf(iter,

                self.__load_icon(self.__engine_desc.get_icon()))

        text_buffer.insert_with_tags_by_name(iter,

                "\n%s\n" % i18n.gettext_engine_longname(self.__engine_desc),

                "heading", "left_margin_16")

        text_buffer.insert_with_tags_by_name(iter,

                _("Language: %s\n") % IBus.get_language_name(self.__engine_desc.get_language()),

                "small", "bold", "left_margin_16")

        text_buffer.insert_with_tags_by_name(iter,

                _("Keyboard layout: %s\n") % self.__engine_desc.get_layout(),

                "small", "bold", "left_margin_16")

        text_buffer.insert_with_tags_by_name(iter,

                _("Author: %s\n") % self.__engine_desc.get_author(),

                "small", "bold", "left_margin_16")

        text_buffer.insert_with_tags_by_name(iter,

                _("Description:\n"), "small", "bold", "left_margin_16")

        text_buffer.insert_with_tags_by_name(iter,

                i18n.gettext_engine_description(self.__engine_desc),

                "wrap_text", "left_margin_32")

    def __create_tags(self, text_buffer):

        text_buffer.create_tag("heading",

                        weight=Pango.Weight.BOLD,

                        size = 16 * Pango.SCALE)

        text_buffer.create_tag("bold",

                        weight=Pango.Weight.BOLD)

        text_buffer.create_tag("italic",

                        style=Pango.Style.ITALIC)

        text_buffer.create_tag("small",

                        scale=0.833333333333) # Pango.SCALE_SMALL ?

        text_buffer.create_tag("gray_foreground",

                        foreground="dark gray")

        text_buffer.create_tag("wrap_text",

                        wrap_mode=Gtk.WrapMode.WORD)

        text_buffer.create_tag("left_margin_16",

                        left_margin=16)

        text_buffer.create_tag("left_margin_32",

                        left_margin=32)

    def __load_icon(self, icon_name):

        try:

            pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(icon_name,

                                                             48,

                                                             48,

                                                             True)

        except:

            theme = Gtk.IconTheme.get_default()

            icon = theme.lookup_icon(icon_name, 48, 0)

            if icon == None:

                icon = theme.lookup_icon("ibus-engine", 48, 0)

            if icon == None:

                icon = theme.lookup_icon("image-missing", 48, 0)

            pixbuf = icon.load_icon()

        return pixbuf

if __name__ == "__main__":

    desc = IBus.EngineDesc()

    EngineAbout(desc).run()