/usr/share/sugar/activities/Read.activity/linkbutton.py is in sugar-read-activity 120-1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | # 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
import StringIO
import cairo
from gettext import gettext as _
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, ([int])),
'go_to_bookmark': (GObject.SignalFlags.RUN_FIRST,
None, ([int])), }
def __init__(self, buf, color, title, owner, page, local):
TrayButton.__init__(self)
# Color read from the Journal may be Unicode, but Rsvg needs
# it as single byte string:
self._color = color
if isinstance(color, unicode):
self._color = str(color)
self._have_preview = False
if buf is not None:
self.set_image(buf)
else:
self.set_empty_image(page)
self.page = int(page)
self.setup_rollover_options(title, owner, local)
def have_preview(self):
return self._have_preview
def set_image(self, buf):
fill = self._color.split(',')[1]
stroke = self._color.split(',')[0]
self._have_preview = True
img = Gtk.Image()
str_buf = StringIO.StringIO(buf)
thumb_surface = cairo.ImageSurface.create_from_png(str_buf)
bg_width, bg_height = style.zoom(120), style.zoom(110)
bg_surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, bg_width,
bg_height)
context = cairo.Context(bg_surface)
# draw a rectangle in the background with the selected colors
context.set_line_width(style.zoom(10))
context.set_source_rgba(*style.Color(fill).get_rgba())
context.rectangle(0, 0, bg_width, bg_height)
context.fill_preserve()
context.set_source_rgba(*style.Color(stroke).get_rgba())
context.stroke()
# add the screenshot
dest_x = style.zoom(10)
dest_y = style.zoom(20)
context.set_source_surface(thumb_surface, dest_x, dest_y)
thumb_width, thumb_height = style.zoom(100), style.zoom(80)
context.rectangle(dest_x, dest_y, thumb_width, thumb_height)
context.fill()
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 set_empty_image(self, page):
fill = self._color.split(',')[1]
stroke = self._color.split(',')[0]
img = Gtk.Image()
bg_width, bg_height = style.zoom(120), style.zoom(110)
bg_surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, bg_width,
bg_height)
context = cairo.Context(bg_surface)
# draw a rectangle in the background with the selected colors
context.set_line_width(style.zoom(10))
context.set_source_rgba(*style.Color(fill).get_rgba())
context.rectangle(0, 0, bg_width, bg_height)
context.fill_preserve()
context.set_source_rgba(*style.Color(stroke).get_rgba())
context.stroke()
# add the page number
context.set_font_size(style.zoom(60))
text = str(page)
x, y = bg_width / 2, bg_height / 2
xbearing, ybearing, width, height, xadvance, yadvance = \
context.text_extents(text)
context.move_to(x - width / 2, y + height / 2)
context.show_text(text)
context.stroke()
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 setup_rollover_options(self, title, info, local):
palette = Palette(title, text_maxlen=50)
palette.set_secondary_text(info)
self.set_palette(palette)
menu_item = Gtk.MenuItem(_('Go to Bookmark'))
menu_item.connect('activate', self.go_to_bookmark_cb)
palette.menu.append(menu_item)
menu_item.show()
if local == 1:
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.page)
def go_to_bookmark_cb(self, widget):
self.emit('go_to_bookmark', self.page)
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