1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
# 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)
|
