sugar-toolkit-gtk3/src/sugar3/graphics/toolbox.py

# Copyright (C) 2007, 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 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., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.

"""
STABLE.
"""

from gi.repository import Gtk
from gi.repository import GObject

from sugar3.graphics import style


class Toolbox(Gtk.VBox):

    __gtype_name__ = 'SugarToolbox'

    __gsignals__ = {
        'current-toolbar-changed': (GObject.SignalFlags.RUN_FIRST,
            None, ([int])),
    }

    def __init__(self):
        GObject.GObject.__init__(self)

        self._notebook = Gtk.Notebook()
        self._notebook.set_tab_pos(Gtk.PositionType.BOTTOM)
        self._notebook.set_show_border(False)
        self._notebook.set_show_tabs(False)
        self._notebook.props.tab_vborder = style.TOOLBOX_TAB_VBORDER
        self._notebook.props.tab_hborder = style.TOOLBOX_TAB_HBORDER
        self.pack_start(self._notebook, True, True, 0)
        self._notebook.show()

        self._separator = Gtk.HSeparator()
        self._separator.modify_bg(Gtk.StateType.NORMAL,
                                  style.COLOR_PANEL_GREY.get_gdk_color())
        self._separator.set_size_request(1, style.TOOLBOX_SEPARATOR_HEIGHT)
        self.pack_start(self._separator, False, False, 0)

        self._notebook.connect('notify::page', self._notify_page_cb)

    def _notify_page_cb(self, notebook, pspec):
        self.emit('current-toolbar-changed', notebook.props.page)

    def add_toolbar(self, name, toolbar):
        label = Gtk.Label(label=name)
        req = label.size_request()
        label.set_size_request(max(req.width, style.TOOLBOX_TAB_LABEL_WIDTH),
                               -1)
        label.set_alignment(0.0, 0.5)

        event_box = Gtk.EventBox()

        alignment = Gtk.Alignment(xscale=1.0, yscale=1.0)
        alignment.set_padding(0, 0, style.TOOLBOX_HORIZONTAL_PADDING,
                              style.TOOLBOX_HORIZONTAL_PADDING)

        alignment.add(toolbar)
        event_box.add(alignment)
        alignment.show()
        event_box.show()

        self._notebook.append_page(event_box, label)

        if self._notebook.get_n_pages() > 1:
            self._notebook.set_show_tabs(True)
            self._separator.show()

    def remove_toolbar(self, index):
        self._notebook.remove_page(index)

        if self._notebook.get_n_pages() < 2:
            self._notebook.set_show_tabs(False)
            self._separator.hide()

    def set_current_toolbar(self, index):
        self._notebook.set_current_page(index)

    def get_current_toolbar(self):
        return self._notebook.get_current_page()

    current_toolbar = property(get_current_toolbar, set_current_toolbar)