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# Copyright (C) 2010, James Simmons <nicestep@gmail.com>
# Adapted from code Copyright (C) Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import logging
from gettext import gettext as _
import re
import pango
import gobject
import gtk
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics.menuitem import MenuItem
from sugar.graphics.toggletoolbutton import ToggleToolButton
from sugar.activity import activity
class ReadToolbar(gtk.Toolbar):
__gtype_name__ = 'ReadToolbar'
def __init__(self):
gtk.Toolbar.__init__(self)
self.back = ToolButton('go-previous')
self.back.set_tooltip(_('Back'))
self.back.props.sensitive = False
palette = self.back.get_palette()
self.prev_page = MenuItem(text_label= _("Previous page"))
palette.menu.append(self.prev_page)
self.prev_page.show_all()
self.back.connect('clicked', self.go_back_cb)
self.prev_page.connect('activate', self.go_back_cb)
self.insert(self.back, -1)
self.back.show()
self.forward = ToolButton('go-next')
self.forward.set_tooltip(_('Forward'))
self.forward.props.sensitive = False
palette = self.forward.get_palette()
self.next_page = MenuItem(text_label= _("Next page"))
palette.menu.append(self.next_page)
self.next_page.show_all()
self.forward.connect('clicked', self.go_forward_cb)
self.next_page.connect('activate', self.go_forward_cb)
self.insert(self.forward, -1)
self.forward.show()
num_page_item = gtk.ToolItem()
self._num_page_entry = gtk.Entry()
self._num_page_entry.set_text('0')
self._num_page_entry.set_alignment(1)
self._num_page_entry.connect('insert-text',
self._num_page_entry_insert_text_cb)
self._num_page_entry.connect('activate',
self._num_page_entry_activate_cb)
self._num_page_entry.set_width_chars(4)
num_page_item.add(self._num_page_entry)
self._num_page_entry.show()
self.insert(num_page_item, -1)
num_page_item.show()
total_page_item = gtk.ToolItem()
self._total_page_label = gtk.Label()
label_attributes = pango.AttrList()
label_attributes.insert(pango.AttrSize(14000, 0, -1))
label_attributes.insert(pango.AttrForeground(65535, 65535, 65535, 0, -1))
self._total_page_label.set_attributes(label_attributes)
self._total_page_label.set_text(' / 0')
total_page_item.add(self._total_page_label)
self._total_page_label.show()
self.insert(total_page_item, -1)
total_page_item.show()
def _num_page_entry_insert_text_cb(self, entry, text, length, position):
if not re.match('[0-9]', text):
entry.emit_stop_by_name('insert-text')
return True
return False
def _num_page_entry_activate_cb(self, entry):
if entry.props.text:
page = int(entry.props.text) - 1
else:
page = 0
if page >= self.total_pages:
page = self.total_pages - 1
elif page < 0:
page = 0
self.current_page = page
self.activity.set_current_page(page)
self.activity.show_page(page)
entry.props.text = str(page + 1)
self._update_nav_buttons()
def go_back_cb(self, button):
self.activity.previous_page()
def go_forward_cb(self, button):
self.activity.next_page()
def _update_nav_buttons(self):
current_page = self.current_page
self.back.props.sensitive = current_page > 0
self.forward.props.sensitive = \
current_page < self.total_pages - 1
self._num_page_entry.props.text = str(current_page + 1)
self._total_page_label.props.label = \
' / ' + str(self.total_pages)
def set_total_pages(self, pages):
self.total_pages = pages
def set_current_page(self, page):
self.current_page = page
self._update_nav_buttons()
def set_activity(self, activity):
self.activity = activity
def setToggleButtonState(self,button,b,id):
button.handler_block(id)
button.set_active(b)
button.handler_unblock(id)
class ViewToolbar(gtk.Toolbar):
__gsignals__ = {
'go-fullscreen': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([]))
}
def __init__(self):
gtk.Toolbar.__init__(self)
self._zoom_out = ToolButton('zoom-out')
self._zoom_out.set_tooltip(_('Zoom out'))
self._zoom_out.connect('clicked', self._zoom_out_cb)
self.insert(self._zoom_out, -1)
self._zoom_out.props.sensitive = False
self._zoom_out.show()
self._zoom_in = ToolButton('zoom-in')
self._zoom_in.set_tooltip(_('Zoom in'))
self._zoom_in.connect('clicked', self._zoom_in_cb)
self.insert(self._zoom_in, -1)
self._zoom_in.props.sensitive = True
self._zoom_in.show()
spacer = gtk.SeparatorToolItem()
spacer.props.draw = False
self.insert(spacer, -1)
spacer.show()
self._fullscreen = ToolButton('view-fullscreen')
self._fullscreen.set_tooltip(_('Fullscreen'))
self._fullscreen.connect('clicked', self._fullscreen_cb)
self.insert(self._fullscreen, -1)
self._fullscreen.show()
def _zoom_in_cb(self, button):
self._zoom_in.props.sensitive = False
self._zoom_out.props.sensitive = True
self.activity.zoom_to_width()
def _zoom_out_cb(self, button):
self._zoom_in.props.sensitive = True
self._zoom_out.props.sensitive = False
self.activity.zoom_to_fit()
def enable_zoom_in(self):
self._zoom_in.props.sensitive = True
self._zoom_out.props.sensitive = False
def enable_zoom_out(self):
self._zoom_in.props.sensitive = False
self._zoom_out.props.sensitive = True
def set_activity(self, activity):
self.activity = activity
def _fullscreen_cb(self, button):
self.emit('go-fullscreen')
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