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136 lines
4.6 KiB
Python
136 lines
4.6 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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'''
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A toolbox holds a group of toolbars in a list. One toolbar is displayed
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at a time. Toolbars are assigned an index and can be accessed using this index.
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Indices are generated in the order the toolbars are added.
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'''
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from gi.repository import Gtk
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from gi.repository import GObject
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from sugar3.graphics import style
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class Toolbox(Gtk.VBox):
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'''
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Class to represent the toolbox of an activity. Groups a
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number of toolbars vertically, which can be accessed using their
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indices. The current toolbar is the only one displayed.
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Emits `current-toolbar-changed` signal when the
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current toolbar is changed. This signal takes the current page index
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as an argument.
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'''
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__gtype_name__ = 'SugarToolbox'
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__gsignals__ = {
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'current-toolbar-changed': (GObject.SignalFlags.RUN_FIRST,
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None, ([int])),
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}
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def __init__(self):
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GObject.GObject.__init__(self)
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self._notebook = Gtk.Notebook()
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self._notebook.set_tab_pos(Gtk.PositionType.BOTTOM)
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self._notebook.set_show_border(False)
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self._notebook.set_show_tabs(False)
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self._notebook.props.tab_vborder = style.TOOLBOX_TAB_VBORDER
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self._notebook.props.tab_hborder = style.TOOLBOX_TAB_HBORDER
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self.pack_start(self._notebook, True, True, 0)
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self._notebook.show()
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self._separator = Gtk.HSeparator()
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self._separator.modify_bg(Gtk.StateType.NORMAL,
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style.COLOR_PANEL_GREY.get_gdk_color())
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self._separator.set_size_request(1, style.TOOLBOX_SEPARATOR_HEIGHT)
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self.pack_start(self._separator, False, False, 0)
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self._notebook.connect('notify::page', self._notify_page_cb)
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def _notify_page_cb(self, notebook, pspec):
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self.emit('current-toolbar-changed', notebook.props.page)
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def add_toolbar(self, name, toolbar):
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'''
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Adds a toolbar to this toolbox. Toolbar will be added
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to the end of this toolbox, and it's index will be
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1 greater than the previously added index (index will be
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0 if it is the first toolbar added).
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Args:
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name (string): name of toolbar to be added
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toolbar (.. :class:`Gtk.Toolbar`): Gtk.Toolbar to be appended to this toolbox
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'''
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label = Gtk.Label(label=name)
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req = label.size_request()
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label.set_size_request(max(req.width, style.TOOLBOX_TAB_LABEL_WIDTH),
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-1)
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label.set_alignment(0.0, 0.5)
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event_box = Gtk.EventBox()
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alignment = Gtk.Alignment(xscale=1.0, yscale=1.0)
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alignment.set_padding(0, 0, style.TOOLBOX_HORIZONTAL_PADDING,
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style.TOOLBOX_HORIZONTAL_PADDING)
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alignment.add(toolbar)
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event_box.add(alignment)
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alignment.show()
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event_box.show()
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self._notebook.append_page(event_box, label)
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if self._notebook.get_n_pages() > 1:
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self._notebook.set_show_tabs(True)
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self._separator.show()
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def remove_toolbar(self, index):
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'''
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Removes toolbar at the index specified.
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Args:
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index (int): index of the toolbar to be removed
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'''
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self._notebook.remove_page(index)
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if self._notebook.get_n_pages() < 2:
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self._notebook.set_show_tabs(False)
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self._separator.hide()
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def set_current_toolbar(self, index):
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'''
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Sets the current toolbar to that of the index specified and
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displays it.
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Args:
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index (int): index of toolbar to be set as current toolbar
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'''
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self._notebook.set_current_page(index)
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def get_current_toolbar(self):
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'''
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Returns current toolbar.
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'''
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return self._notebook.get_current_page()
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current_toolbar = property(get_current_toolbar, set_current_toolbar)
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