/usr/share/sugar/activities/Browse.activity/linkbutton.py is in sugar-browse-activity 202-1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | # 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.palettemenu import PaletteMenuItemSeparator
from sugar3.graphics.palettemenu import PaletteMenuItem
from sugar3.graphics.palettemenu import PaletteMenuBox
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])),
}
notes_changed_signal = GObject.Signal(
'notes-changed', arg_types=[str, str])
_dest_x = style.zoom(10)
_dest_y = style.zoom(20)
def __init__(self, buf, color, title, owner, hash, notes=None):
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._fill, self._stroke = color.split(',')
self.set_image(buf)
self.hash = hash
self.notes = notes
info = title + '\n' + owner
self.setup_rollover_options(info)
def get_image_coords(self, relative_to):
return self._img.translate_coordinates(
relative_to, self._dest_x, self._dest_y)
def show_thumb(self):
self._img.set_from_pixbuf(self._pixbuf_bg)
def hide_thumb(self):
xo_buddy = os.path.join(os.path.dirname(__file__), "icons/link.svg")
bg_surface = self._read_link_background(xo_buddy)
bg_width, bg_height = style.zoom(120), style.zoom(110)
pixbuf = Gdk.pixbuf_get_from_surface(bg_surface, 0, 0,
bg_width, bg_height)
self._img.set_from_pixbuf(pixbuf)
def set_image(self, buf):
self._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)
cairo_context = cairo.Context(bg_surface)
cairo_context.set_source_surface(thumb_surface,
self._dest_x, self._dest_y)
thumb_width, thumb_height = style.zoom(100), style.zoom(80)
cairo_context.rectangle(self._dest_x, self._dest_y,
thumb_width, thumb_height)
cairo_context.fill()
bg_width, bg_height = style.zoom(120), style.zoom(110)
self._pixbuf_bg = Gdk.pixbuf_get_from_surface(bg_surface, 0, 0,
bg_width, bg_height)
self._img.set_from_pixbuf(self._pixbuf_bg)
self.set_icon_widget(self._img)
self._img.show()
def _read_link_background(self, filename):
icon_file = open(filename, 'r')
data = icon_file.read()
icon_file.close()
entity = '<!ENTITY fill_color "%s">' % self._fill
data = re.sub('<!ENTITY fill_color .*>', entity, data)
entity = '<!ENTITY stroke_color "%s">' % self._stroke
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)
box = PaletteMenuBox()
palette.set_content(box)
box.show()
menu_item = PaletteMenuItem(_('Remove'), 'list-remove')
menu_item.connect('activate', self.item_remove_cb)
box.append_item(menu_item)
menu_item.show()
separator = PaletteMenuItemSeparator()
box.append_item(separator)
separator.show()
textview = Gtk.TextView()
textview.props.height_request = style.GRID_CELL_SIZE * 2
textview.props.width_request = style.GRID_CELL_SIZE * 3
textview.props.hexpand = True
textview.props.vexpand = True
box.append_item(textview)
textview.show()
buffer = textview.get_buffer()
if self.notes is None:
buffer.set_text(_('Take notes on this page'))
else:
buffer.set_text(self.notes)
buffer.connect('changed', self.__buffer_changed_cb)
def item_remove_cb(self, widget):
self.emit('remove_link', self.hash)
def __buffer_changed_cb(self, buffer):
start, end = buffer.get_bounds()
self.notes = buffer.get_text(start, end, False)
self.notes_changed_signal.emit(self.hash, self.notes)
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