Split sugar-toolkit out of sugar shell.

1 files changed, 115 insertions, 0 deletions

diff --git a/sugar/graphics/notebook.py b/sugar/graphics/notebook.py
new file mode 100644
index 0000000..2d49b1f
--- /dev/null
+++ b/sugar/graphics/notebook.py
@@ -0,0 +1,115 @@
+"""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)
+"""
+
+# 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.
+
+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)
+        gtk.Notebook.__init__(self)
+
+        self.set_scrollable(True)
+        self.show()
+
+    def do_set_property(self, pspec, value):
+        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)
+        icon_box = gtk.HBox(False, 0)
+
+        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):
+        # 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)