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FractionBounceActivity.py
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FractionBounceActivity.py
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# -*- coding: utf-8 -*-
# Copyright (c) 2011-14, Walter Bender
# Copyright (c) 2011 Paulina Clares, Chris Rowe
# Ported to GTK3 - 2012:
# Ignacio Rodríguez <ignaciorodriguez@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.
#
# You should have received a copy of the GNU General Public License
# along with this library; if not, write to the Free Software
# Foundation, 51 Franklin Street, Suite 500 Boston, MA 02110-1335 USA
import os
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from gi.repository import Gdk
from sugar3 import profile
from sugar3.activity import activity
from sugar3.activity.widgets import ActivityToolbarButton
from sugar3.activity.widgets import StopButton
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.graphics.toolbarbox import ToolbarButton
from sugar3.graphics.toolbutton import ToolButton
from sugar3.graphics.radiotoolbutton import RadioToolButton
from sugar3.graphics.alert import NotifyAlert
from sugar3.graphics import style
from collabwrapper import CollabWrapper
from gettext import gettext as _
import logging
_logger = logging.getLogger('fractionbounce-activity')
from utils import chooser
from svg_utils import svg_str_to_pixbuf, generate_xo_svg
from bounce import Bounce
from aplay import aplay
BALLDICT = {'basketball': [_('basketball'), 'wood'],
'soccerball': [_('soccer ball'), 'grass'],
'rugbyball': [_('rugby ball'), 'grass'],
'bowlingball': [_('bowling ball'), 'wood'],
'beachball': [_('beachball'), 'sand'],
'feather': [_('feather'), 'clouds'],
'custom': [_('user defined'), None]}
BGDICT = {'grass': [_('grass'), 'grass_background.png'],
'wood': [_('wood'), 'parquet_background.png'],
'clouds': [_('clouds'), 'feather_background.png'],
'sand': [_('sand'), 'beach_background.png'],
'custom': [_('user defined'), None]}
class FractionBounceActivity(activity.Activity):
def __init__(self, handle):
''' Initiate activity. '''
super(FractionBounceActivity, self).__init__(handle)
self.nick = profile.get_nick_name()
if profile.get_color() is not None:
self._colors = profile.get_color().to_string().split(',')
else:
self._colors = ['#A0FFA0', '#FF8080']
self.max_participants = 4 # sharing
self._playing = True
self._setup_toolbars()
canvas = self._setup_canvas()
# Read any custom fractions from the project metadata
if 'custom' in self.metadata:
custom = self.metadata['custom']
else:
custom = None
self._current_ball = 'soccerball'
self._toolbar_was_expanded = False
# Initialize the canvas
self._bounce_window = Bounce(canvas, activity.get_bundle_path(), self)
Gdk.Screen.get_default().connect('size-changed', self._configure_cb)
# Restore any custom fractions
if custom is not None:
fractions = custom.split(',')
for f in fractions:
self._bounce_window.add_fraction(f)
self._bounce_window.buddies.append(self.nick)
self._player_colors = [self._colors]
self._player_pixbufs = [
svg_str_to_pixbuf(generate_xo_svg(scale=0.8, colors=self._colors))
]
def on_activity_joined_cb(me):
logging.debug('activity joined')
self._player.set_from_pixbuf(self._player_pixbufs[0])
self.connect('joined', on_activity_joined_cb)
def on_activity_shared_cb(me):
logging.debug('activity shared')
self._player.set_from_pixbuf(self._player_pixbufs[0])
self._label.set_label(_('Wait for others to join.'))
self.connect('shared', on_activity_shared_cb)
self._collab = CollabWrapper(self)
if self.shared_activity:
# We're joining
if not self.get_shared():
self._label.set_label(_('Wait for the sharer to start.'))
actions = {
'j': self._new_joiner,
'b': self._buddy_list,
'f': self._receive_a_fraction,
't': self._take_a_turn,
'l': self._buddy_left,
}
def on_message_cb(collab, buddy, msg):
logging.debug('on_message_cb buddy %r msg %r' % (buddy, msg))
if self._playing:
actions[msg.get('action')](msg.get('data'))
self._collab.connect('message', on_message_cb)
def on_joined_cb(collab, msg):
logging.debug('joined')
self.send_event('j', [self.nick, self._colors])
self._collab.connect('joined', on_joined_cb, 'joined')
def on_buddy_joined_cb(collab, buddy, msg):
logging.debug('on_buddy_joined_cb buddy %r' % (buddy.props.nick))
self._collab.connect('buddy_joined', on_buddy_joined_cb,
'buddy_joined')
def on_buddy_left_cb(collab, buddy, msg):
logging.debug('on_buddy_left_cb buddy %r' % (buddy.props.nick))
self._collab.connect('buddy_left', on_buddy_left_cb, 'buddy_left')
self._collab.setup()
def set_data(self, blob):
pass
def get_data(self):
return None
def close(self, **kwargs):
aplay.close()
activity.Activity.close(self, **kwargs)
def _configure_cb(self, event):
if Gdk.Screen.width() < 1024:
self._label.set_size_request(275, -1)
self._label.set_label('')
self._separator.set_expand(False)
else:
self._label.set_size_request(500, -1)
self._separator.set_expand(True)
self._bounce_window.configure_cb(event)
if self._toolbar_expanded():
self._bounce_window.bar.bump_bars('up')
self._bounce_window.ball.ball.move_relative(
(0, -style.GRID_CELL_SIZE))
def _toolbar_expanded(self):
if self._activity_button.is_expanded():
return True
elif self._custom_toolbar_button.is_expanded():
return True
return False
def _update_graphics(self, widget):
# We need to catch opening and closing of toolbars and ignore
# switching between open toolbars.
if self._toolbar_expanded():
if not self._toolbar_was_expanded:
self._bounce_window.bar.bump_bars('up')
self._bounce_window.ball.ball.move_relative(
(0, -style.GRID_CELL_SIZE))
self._toolbar_was_expanded = True
else:
if self._toolbar_was_expanded:
self._bounce_window.bar.bump_bars('down')
self._bounce_window.ball.ball.move_relative(
(0, style.GRID_CELL_SIZE))
self._toolbar_was_expanded = False
def _setup_toolbars(self):
custom_toolbar = Gtk.Toolbar()
toolbox = ToolbarBox()
self._toolbar = toolbox.toolbar
self._activity_button = ActivityToolbarButton(self)
self._activity_button.connect('clicked', self._update_graphics)
self._toolbar.insert(self._activity_button, 0)
self._activity_button.show()
self._custom_toolbar_button = ToolbarButton(
label=_('Custom'),
page=custom_toolbar,
icon_name='view-source')
self._custom_toolbar_button.connect('clicked', self._update_graphics)
custom_toolbar.show()
self._toolbar.insert(self._custom_toolbar_button, -1)
self._custom_toolbar_button.show()
self._load_standard_buttons(self._toolbar)
self._separator = Gtk.SeparatorToolItem()
self._separator.props.draw = False
self._separator.set_expand(True)
self._toolbar.insert(self._separator, -1)
self._separator.show()
stop_button = StopButton(self)
stop_button.props.accelerator = _('<Ctrl>Q')
self._toolbar.insert(stop_button, -1)
stop_button.show()
self.set_toolbar_box(toolbox)
toolbox.show()
self._load_custom_buttons(custom_toolbar)
def _load_standard_buttons(self, toolbar):
fraction_button = RadioToolButton(group=None)
fraction_button.set_icon_name('fraction')
fraction_button.set_tooltip(_('fractions'))
fraction_button.connect('clicked', self._fraction_cb)
toolbar.insert(fraction_button, -1)
fraction_button.show()
sector_button = RadioToolButton(group=fraction_button)
sector_button.set_icon_name('sector')
sector_button.set_tooltip(_('sectors'))
sector_button.connect('clicked', self._sector_cb)
toolbar.insert(sector_button, -1)
sector_button.show()
percent_button = RadioToolButton(group=fraction_button)
percent_button.set_icon_name('percent')
percent_button.set_tooltip(_('percents'))
percent_button.connect('clicked', self._percent_cb)
toolbar.insert(percent_button, -1)
percent_button.show()
self._player = Gtk.Image()
self._player.set_from_pixbuf(svg_str_to_pixbuf(
generate_xo_svg(scale=0.8, colors=['#282828', '#282828'])))
self._player.set_tooltip_text(self.nick)
toolitem = Gtk.ToolItem()
toolitem.add(self._player)
self._player.show()
toolbar.insert(toolitem, -1)
toolitem.show()
self._label = Gtk.Label(_("Click the ball to start."))
self._label.set_line_wrap(True)
if Gdk.Screen.width() < 1024:
self._label.set_size_request(275, -1)
else:
self._label.set_size_request(500, -1)
self.toolitem = Gtk.ToolItem()
self.toolitem.add(self._label)
self._label.show()
toolbar.insert(self.toolitem, -1)
self.toolitem.show()
def _load_custom_buttons(self, toolbar):
self.numerator = Gtk.Entry()
self.numerator.set_text('')
self.numerator.set_tooltip_text(_('numerator'))
self.numerator.set_width_chars(3)
toolitem = Gtk.ToolItem()
toolitem.add(self.numerator)
self.numerator.show()
toolbar.insert(toolitem, -1)
toolitem.show()
label = Gtk.Label(' / ')
toolitem = Gtk.ToolItem()
toolitem.add(label)
label.show()
toolbar.insert(toolitem, -1)
toolitem.show()
self.denominator = Gtk.Entry()
self.denominator.set_text('')
self.denominator.set_tooltip_text(_('denominator'))
self.denominator.set_width_chars(3)
toolitem = Gtk.ToolItem()
toolitem.add(self.denominator)
self.denominator.show()
toolbar.insert(toolitem, -1)
toolitem.show()
button = ToolButton('list-add')
button.set_tooltip(_('add new fraction'))
button.props.sensitive = True
button.props.accelerator = 'Return'
button.connect('clicked', self._add_fraction_cb)
toolbar.insert(button, -1)
button.show()
separator = Gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(False)
toolbar.insert(separator, -1)
separator.show()
button = ToolButton('soccerball')
button.set_tooltip(_('choose a ball'))
button.props.sensitive = True
button.connect('clicked', self._button_palette_cb)
toolbar.insert(button, -1)
button.show()
self._ball_palette = button.get_palette()
button_grid = Gtk.Grid()
row = 0
for ball in BALLDICT.keys():
if ball == 'custom':
button = ToolButton('view-source')
else:
button = ToolButton(ball)
button.connect('clicked', self._load_ball_cb, None, ball)
eventbox = Gtk.EventBox()
eventbox.connect('button_press_event', self._load_ball_cb,
ball)
label = Gtk.Label(BALLDICT[ball][0])
eventbox.add(label)
label.show()
button_grid.attach(button, 0, row, 1, 1)
button.show()
button_grid.attach(eventbox, 1, row, 1, 1)
eventbox.show()
row += 1
self._ball_palette.set_content(button_grid)
button_grid.show()
button = ToolButton('insert-picture')
button.set_tooltip(_('choose a background'))
button.props.sensitive = True
button.connect('clicked', self._button_palette_cb)
toolbar.insert(button, -1)
button.show()
self._bg_palette = button.get_palette()
button_grid = Gtk.Grid()
row = 0
for bg in BGDICT.keys():
if bg == 'custom':
button = ToolButton('view-source')
else:
button = ToolButton(bg)
button.connect('clicked', self._load_bg_cb, None, bg)
eventbox = Gtk.EventBox()
eventbox.connect('button_press_event', self._load_bg_cb, bg)
label = Gtk.Label(BGDICT[bg][0])
eventbox.add(label)
label.show()
button_grid.attach(button, 0, row, 1, 1)
button.show()
button_grid.attach(eventbox, 1, row, 1, 1)
eventbox.show()
row += 1
self._bg_palette.set_content(button_grid)
button_grid.show()
def _button_palette_cb(self, button):
palette = button.get_palette()
if palette:
if not palette.is_up():
palette.popup(immediate=True)
else:
palette.popdown(immediate=True)
def can_close(self):
# Let everyone know we are leaving...
if hasattr(self, '_bounce_window') and \
self._bounce_window.we_are_sharing():
self._playing = False
self.send_event('l', self.nick)
return True
def _setup_canvas(self):
canvas = Gtk.DrawingArea()
canvas.set_size_request(Gdk.Screen.width(),
Gdk.Screen.height())
self.set_canvas(canvas)
canvas.show()
return canvas
def _load_bg_cb(self, widget, event, bg):
if bg == 'custom':
chooser(self, 'Image', self._new_background_from_journal)
else:
self._bounce_window.set_background(BGDICT[bg][1])
def _load_ball_cb(self, widget, event, ball):
if ball == 'custom':
chooser(self, 'Image', self._new_ball_from_journal)
else:
self._bounce_window.ball.new_ball(os.path.join(
activity.get_bundle_path(), 'images', ball + '.svg'))
self._bounce_window.set_background(BGDICT[BALLDICT[ball][1]][1])
self._current_ball = ball
def _reset_ball(self):
''' If we switch back from sector mode, we need to restore the ball '''
if self._bounce_window.mode != 'sectors':
return
if self._current_ball == 'custom': # TODO: Reload custom ball
self._current_ball = 'soccerball'
self._bounce_window.ball.new_ball(os.path.join(
activity.get_bundle_path(), 'images', self._current_ball + '.svg'))
def _new_ball_from_journal(self, dsobject):
''' Load an image from the Journal. '''
self._bounce_window.ball.new_ball_from_image(
dsobject.file_path,
os.path.join(activity.get_activity_root(), 'tmp', 'custom.png'))
def _new_background_from_journal(self, dsobject):
''' Load an image from the Journal. '''
self._bounce_window.new_background_from_image(None, dsobject=dsobject)
def _fraction_cb(self, arg=None):
''' Set fraction mode '''
self._reset_ball()
self._bounce_window.mode = 'fractions'
def _percent_cb(self, arg=None):
''' Set percent mode '''
self._reset_ball()
self._bounce_window.mode = 'percents'
def _sector_cb(self, arg=None):
''' Set sector mode '''
self._bounce_window.mode = 'sectors'
def _add_fraction_cb(self, arg=None):
''' Read entries and add a fraction to the list '''
try:
numerator = int(self.numerator.get_text().strip())
except ValueError:
self.numerator.set_text('NAN')
numerator = 0
try:
denominator = int(self.denominator.get_text().strip())
except ValueError:
self.denominator.set_text('NAN')
denominator = 1
if denominator == 0:
self.denominator.set_text('ZDE')
if numerator > denominator:
numerator = 0
if numerator > 0 and denominator > 1:
fraction = '%d/%d' % (numerator, denominator)
self._bounce_window.add_fraction(fraction)
if 'custom' in self.metadata: # Save to Journal
self.metadata['custom'] = '%s,%s' % (
self.metadata['custom'], fraction)
else:
self.metadata['custom'] = fraction
self.alert(
_('New fraction'),
_('Your fraction, %s, has been added to the program' %
(fraction)))
def reset_label(self, label):
''' update the challenge label '''
self._label.set_label(label)
def alert(self, title, text=None):
alert = NotifyAlert(timeout=5)
alert.props.title = title
alert.props.msg = text
self.add_alert(alert)
alert.connect('response', self._alert_cancel_cb)
alert.show()
def _alert_cancel_cb(self, alert, response_id):
self.remove_alert(alert)
# Collaboration-related methods
def _buddy_left(self, nick):
self._label.set_label(nick + ' ' + _('has left.'))
if self._collab.props.leader:
self._remove_player(nick)
self.send_event(
'b', [self._bounce_window.buddies, self._player_colors])
# Restart from sharer's turn
self._bounce_window.its_my_turn()
def _new_joiner(self, payload):
''' Someone has joined; sharer adds them to the buddy list. '''
[nick, colors] = payload
self._label.set_label(nick + ' ' + _('has joined.'))
if self._collab.props.leader:
self._append_player(nick, colors)
self.send_event(
'b', [self._bounce_window.buddies, self._player_colors])
if self._bounce_window.count == 0: # Haven't started yet...
self._bounce_window.its_my_turn()
def _remove_player(self, nick):
if nick in self._bounce_window.buddies:
i = self._bounce_window.buddies.index(nick)
self._bounce_window.buddies.remove(nick)
self._player_colors.remove(self._player_colors[i])
self._player_pixbufs.remove(self._player_pixbufs[i])
def _append_player(self, nick, colors):
''' Keep a list of players, their colors, and an XO pixbuf '''
if nick not in self._bounce_window.buddies:
_logger.debug('appending %s to the buddy list', nick)
self._bounce_window.buddies.append(nick)
self._player_colors.append([str(colors[0]), str(colors[1])])
self._player_pixbufs.append(svg_str_to_pixbuf(
generate_xo_svg(scale=0.8,
colors=self._player_colors[-1])))
def _buddy_list(self, payload):
'''Sharer sent the updated buddy list, so regenerate internal lists'''
if not self._collab.props.leader:
[buddies, colors] = payload
self._bounce_window.buddies = buddies[:]
self._player_colors = colors[:]
self._player_pixbufs = []
for colors in self._player_colors:
self._player_pixbufs.append(svg_str_to_pixbuf(
generate_xo_svg(scale=0.8,
colors=[str(colors[0]), str(colors[1])])))
def send_a_fraction(self, fraction):
''' Send a fraction to other players. '''
self.send_event('f', fraction)
def _receive_a_fraction(self, payload):
''' Receive a fraction from another player. '''
self._bounce_window.play_a_fraction(payload)
def _take_a_turn(self, nick):
''' If it is your turn, take it, otherwise, wait. '''
if nick == self.nick: # TODO: disambiguate
self._bounce_window.its_my_turn()
else:
self._bounce_window.its_their_turn(nick)
def send_event(self, action, data):
''' Send event through the tube. '''
_logger.debug('send_event action=%r data=%r' % (action, data))
self._collab.post({'action': action, 'data': data})
def set_player_on_toolbar(self, nick):
''' Display the XO icon of the player whose turn it is. '''
self._player.set_from_pixbuf(
self._player_pixbufs[self._bounce_window.buddies.index(nick)])
self._player.set_tooltip_text(nick)