# Copyright (C) 2007, Eduardo Silva (edsiper@gmail.com) # # 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. """Notebook class This class create a gtk.Notebook() widget supporting a close button in every tab when the 'can-close-tabs' gproperty is enabled (True) STABLE. """ import gtk import gobject class Notebook(gtk.Notebook): __gtype_name__ = 'SugarNotebook' __gproperties__ = { 'can-close-tabs': (bool, None, None, False, gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY) } def __init__(self, **kwargs): # Initialise the Widget # # Side effects: # Set the 'can-close-tabs' property using **kwargs # Set True the scrollable notebook property gobject.GObject.__init__(self, **kwargs) self._can_close_tabs = None self.set_scrollable(True) self.show() def do_set_property(self, pspec, value): """ Set notebook property Parameters ---------- pspec : property for which the value will be set Returns ------- None Raises ------ AssertionError """ if pspec.name == 'can-close-tabs': self._can_close_tabs = value else: raise AssertionError def _add_icon_to_button(self, button): icon_box = gtk.HBox() image = gtk.Image() image.set_from_stock(gtk.STOCK_CLOSE, gtk.ICON_SIZE_MENU) gtk.Button.set_relief(button, gtk.RELIEF_NONE) settings = gtk.Widget.get_settings(button) w, h = gtk.icon_size_lookup_for_settings(settings, gtk.ICON_SIZE_MENU) gtk.Widget.set_size_request(button, w + 4, h + 4) image.show() icon_box.pack_start(image, True, False, 0) button.add(icon_box) icon_box.show() def _create_custom_tab(self, text, child): event_box = gtk.EventBox() tab_box = gtk.HBox(False, 2) tab_label = gtk.Label(text) tab_button = gtk.Button() tab_button.connect('clicked', self._close_page, child) # Add a picture on a button self._add_icon_to_button(tab_button) event_box.show() tab_button.show() tab_label.show() tab_box.pack_start(tab_label, True) tab_box.pack_start(tab_button, True) tab_box.show_all() event_box.add(tab_box) return event_box def add_page(self, text_label, widget): """ Adds a page to the notebook. Parameters ---------- text_label : widget : Returns ------- Boolean Returns TRUE if the page is successfully added to th notebook. """ # Add a new page to the notebook if self._can_close_tabs: eventbox = self._create_custom_tab(text_label, widget) self.append_page(widget, eventbox) else: self.append_page(widget, gtk.Label(text_label)) pages = self.get_n_pages() # Set the new page self.set_current_page(pages - 1) self.show_all() return True def _close_page(self, button, child): # Remove a page from the notebook page = self.page_num(child) if page != -1: self.remove_page(page)