/usr/share/sugar/activities/Browse.activity/linkbutton.py is in sugar-browse-activity 157.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | # Copyright (C) 2007, One Laptop Per Child
#
# 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.
from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GObject
from gi.repository import Rsvg
import os
import StringIO
import cairo
from gettext import gettext as _
import re
from sugar3.graphics.palette import Palette
from sugar3.graphics.tray import TrayButton
from sugar3.graphics import style
class LinkButton(TrayButton, GObject.GObject):
__gtype_name__ = 'LinkButton'
__gsignals__ = {
'remove_link': (GObject.SignalFlags.RUN_FIRST,
None, ([str])),
}
def __init__(self, buf, color, title, owner, hash):
TrayButton.__init__(self)
# Color read from the Journal may be Unicode, but Rsvg needs
# it as single byte string:
if isinstance(color, unicode):
color = str(color)
self.set_image(buf, color.split(',')[1], color.split(',')[0])
self.hash = hash
info = title + '\n' + owner
self.setup_rollover_options(info)
def set_image(self, buf, fill='#0000ff', stroke='#4d4c4f'):
img = Gtk.Image()
str_buf = StringIO.StringIO(buf)
thumb_surface = cairo.ImageSurface.create_from_png(str_buf)
xo_buddy = os.path.join(os.path.dirname(__file__), "icons/link.svg")
bg_surface = self._read_link_background(xo_buddy, fill, stroke)
cairo_context = cairo.Context(bg_surface)
dest_x = style.zoom(10)
dest_y = style.zoom(20)
cairo_context.set_source_surface(thumb_surface, dest_x, dest_y)
thumb_width, thumb_height = style.zoom(100), style.zoom(80)
cairo_context.rectangle(dest_x, dest_y, thumb_width, thumb_height)
cairo_context.fill()
bg_width, bg_height = style.zoom(120), style.zoom(110)
pixbuf_bg = Gdk.pixbuf_get_from_surface(bg_surface, 0, 0,
bg_width, bg_height)
img.set_from_pixbuf(pixbuf_bg)
self.set_icon_widget(img)
img.show()
def _read_link_background(self, filename, fill_color, stroke_color):
icon_file = open(filename, 'r')
data = icon_file.read()
icon_file.close()
if fill_color:
entity = '<!ENTITY fill_color "%s">' % fill_color
data = re.sub('<!ENTITY fill_color .*>', entity, data)
if stroke_color:
entity = '<!ENTITY stroke_color "%s">' % stroke_color
data = re.sub('<!ENTITY stroke_color .*>', entity, data)
link_width, link_height = style.zoom(120), style.zoom(110)
link_surface = cairo.ImageSurface(cairo.FORMAT_ARGB32,
link_width, link_height)
link_context = cairo.Context(link_surface)
link_scale_w = link_width * 1.0 / 120
link_scale_h = link_height * 1.0 / 110
link_context.scale(link_scale_w, link_scale_h)
handler = Rsvg.Handle.new_from_data(data)
handler.render_cairo(link_context)
return link_surface
def setup_rollover_options(self, info):
palette = Palette(info, text_maxlen=50)
self.set_palette(palette)
menu_item = Gtk.MenuItem(_('Remove'))
menu_item.connect('activate', self.item_remove_cb)
palette.menu.append(menu_item)
menu_item.show()
def item_remove_cb(self, widget):
self.emit('remove_link', self.hash)
|