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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2012 Agustin Zubiaga <aguz@sugarlabs.org>
# 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 3 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
from gi.repository import Gtk
from sugar3.graphics import style
from sugar3.graphics.icon import Icon
class SlideView(Gtk.EventBox):
def __init__(self, activity):
Gtk.EventBox.__init__(self)
self._area = Gtk.DrawingArea()
self._area.connect('draw', self._area_draw_cb)
self._boxes = []
self._current_box = None
prev_btn = Gtk.EventBox()
prev_btn.connect('button-press-event', self._prev_slide)
self._prev_icon = Icon(pixel_size=100)
self._prev_icon.props.icon_name = 'go-previous'
prev_btn.add(self._prev_icon)
next_btn = Gtk.EventBox()
next_btn.connect('button-press-event', self._next_slide)
self._next_icon = Icon(pixel_size=100)
self._next_icon.props.icon_name = 'go-next'
next_btn.add(self._next_icon)
hbox = Gtk.Box()
hbox.set_border_width(10)
hbox.pack_start(prev_btn, True, False, 0)
hbox.pack_start(self._area, False, False, 0)
hbox.pack_end(next_btn, True, False, 0)
self.add(hbox)
self.show_all()
def _area_draw_cb(self, widget, context):
if self._current_box is None:
return
box = self._boxes[self._current_box]
self._area.set_size_request(box.width + 1, box.height + 1)
context.move_to(box.width - style.zoom(40),
box.height + style.zoom(25))
context.set_font_size(style.zoom(20))
context.show_text('%s/%s' % (self._current_box + 1,
str(len(self._boxes))))
if self._current_box == len(self._boxes) - 1:
self._next_icon.set_fill_color(style.COLOR_BUTTON_GREY.get_html())
else:
self._next_icon.set_fill_color(None)
if self._current_box == 0:
self._prev_icon.set_fill_color(style.COLOR_BUTTON_GREY.get_html())
else:
self._prev_icon.set_fill_color(None)
box.draw_in_context(context)
def set_boxes(self, boxes):
# Discard the title box
self._boxes = boxes[1:]
def set_current_box(self, box):
self._current_box = box
self._area.queue_draw()
def _next_slide(self, widget, event):
self._current_box += 1
if self._current_box > len(self._boxes) - 1:
self._current_box -= 1
self._area.queue_draw()
def _prev_slide(self, widget, event):
self._current_box -= 1
if self._current_box < 0:
self._current_box += 1
self._area.queue_draw()
def key_press_cb(self, widget, event):
if event.keyval == 65361:
self._prev_slide(None, None)
elif event.keyval == 65363:
self._next_slide(None, None)
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