/usr/share/sugar/activities/Browse.activity/linkbutton.py is in sugar-browse-activity 137-1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | # 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 GdkPixbuf
from gi.repository import GObject
from gi.repository import Rsvg
import os
import StringIO
import cairo
from gettext import gettext as _
import re
import gc
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)
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