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