/usr/share/gcompris/python/braille_fun.py is in gcompris-data 13.11-1.
This file is owned by root:root, with mode 0o644.
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#
# Copyright (C) 2011 Srishti Sethi
#
# 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, see <http://www.gnu.org/licenses/>.
#
# braille_fun activity.
import gtk
import gtk.gdk
import gcompris
import gobject
import gcompris.utils
import gcompris.skin
import gcompris.sound
import gcompris.bonus
import gcompris.score
import goocanvas
import pango
import random
from BrailleChar import *
from BrailleMap import *
from gcompris import gcompris_gettext as _
class Gcompris_braille_fun:
"""Empty gcompris python class"""
def __init__(self, gcomprisBoard):
# Save the gcomprisBoard, it defines everything we need
# to know from the core
self.gcomprisBoard = gcomprisBoard
self.gcomprisBoard.level=1
self.gcomprisBoard.sublevel=1
self.gcomprisBoard.number_of_sublevel = 26
self.gcomprisBoard.maxlevel = 3
self.text_color = 0X0000FFFFL
self.counter = 0
self.timerAnim = 0
#Boolean variable declaration
self.mapActive = False
# These are used to let us restart only after the bonus is displayed.
# When the bonus is displayed, it call us first with pause(1) and then with pause(0)
self.board_paused = 0
self.gamewon = False
#Array declaration
self.letter_array = []
self.alphabet_array = []
self.tile_array = []
self.tile_index_array = []
# Needed to get key_press
gcomprisBoard.disable_im_context = True
def start(self):
self.reseted = False
# Set the buttons we want in the bar
gcompris.bar_set(gcompris.BAR_LEVEL)
gcompris.bar_location(300,-1,0.6)
gcompris.bar_set_level(self.gcomprisBoard)
#REPEAT ICON
pixmap = gcompris.utils.load_svg("braille_alphabets/target.svg")
gcompris.bar_set_repeat_icon(pixmap)
gcompris.bar_set(gcompris.BAR_LEVEL|gcompris.BAR_REPEAT_ICON)
gcompris.bar_location(300,-1,0.7)
# Create our rootitem. We put each canvas item in it so at the end we
# only have to kill it. The canvas deletes all the items it contains
# automaticaly.
self.root = goocanvas.Group(parent =
self.gcomprisBoard.canvas.get_root_item())
#To create a group item for horizontal and vertical text
self.horizontalTextRoot = goocanvas.Group(parent =
self.gcomprisBoard.canvas.get_root_item())
self.verticalTextRoot = goocanvas.Group(parent =
self.gcomprisBoard.canvas.get_root_item())
# The root item for the help
self.map_rootitem = \
goocanvas.Group( parent = self.gcomprisBoard.canvas.get_root_item() )
BrailleMap(self.map_rootitem, self.move_back)
self.map_rootitem.props.visibility = goocanvas.ITEM_INVISIBLE
# Display the sublevel
gcompris.score.start(gcompris.score.STYLE_NOTE, 530, 460,
self.gcomprisBoard.number_of_sublevel)
# Set a background image
gcompris.set_background(self.gcomprisBoard.canvas.get_root_item(),
"braille_fun/hillside.svg")
self.display_game(self.gcomprisBoard.level)
def move_back(self,event,target,item):
self.map_rootitem.props.visibility = goocanvas.ITEM_INVISIBLE
self.mapActive = False
def display_game(self, level):
gcompris.score.set(self.gcomprisBoard.sublevel)
self.planeroot = goocanvas.Group( parent =
self.root )
# SVG Handle for TUX Plane
svghandle = gcompris.utils.load_svg("braille_fun/plane.svg")
self.tuxplane = goocanvas.Svg(
parent = self.planeroot,
svg_handle = svghandle,
svg_id = "#PLANE"
)
self.tuxplane.translate(50 * level, 40 )
# Animated Tux plane.Move from left to right
self.planeroot.animate(900,
20 ,
1,
1,
True,
25000 + level * 9000,
100,
goocanvas.ANIMATE_FREEZE)
string = "abcdefghijklmnopqrstuvwxyz"
for index in range (level):
# Select a random letter and append it to self.letter_array
if (level == 1):
letter = string[self.gcomprisBoard.sublevel - 1]
elif(level == 2):
letter = random.choice(string[random.randint(0, 9)])
elif(level == 3):
letter = random.choice(string[random.randint(10,19)])
elif(level == 4):
letter = random.choice(string[random.randint(20, 25)])
else :
letter = random.choice(string[random.randint(0,25)])
self.play_letter(letter)
self.letter_array.append( letter.upper() )
# Defining Object to BrailleChar Instance to produce braille_tile
self.tile_array.append( \
BrailleChar(self.root,
300 + 90 * index , 150, 80,
'', 0xFF0000FFL, 0xFFFFFFFFL,
"white", "black",
True, True, True, callback = self.letter_change) )
# Display alphabets for TUX_PLANE horizontally and vertically
animateString = "".join(self.letter_array)
for index in range( len(animateString) ):
goocanvas.Text(
parent = self.planeroot,
x = 50 * index ,
y = 60.0 ,
text = animateString[index],
fill_color="black",
anchor = gtk.ANCHOR_CENTER,
alignment = pango.ALIGN_CENTER,
font = gcompris.skin.get_font("gcompris/board/huge")
)
self.alphabet_vertical = goocanvas.Text(
parent = self.verticalTextRoot,
x = 50.0 + 50 * index ,
y = 130.0 ,
text = animateString[index],
fill_color = "black",
anchor = gtk.ANCHOR_CENTER,
alignment = pango.ALIGN_CENTER,
font = gcompris.skin.get_font("gcompris/board/huge")
)
self.alphabet_array.append(self.alphabet_vertical)
# Animate or move letters vertically
self.verticalTextRoot.animate( 5,
415,
1,
1,
True,
30000 + level * 5000,
100,
goocanvas.ANIMATE_FREEZE )
# To call a function when animation finishes
self.verticalTextRoot.connect("animation-finished", self.animationFinished)
def letter_change(self, letter):
self.letter = letter
for index in range(self.gcomprisBoard.level):
# Change the text color of alphabet correctly identified in the braille tile
if (self.tile_array[index].get_letter() == self.letter_array[index]):
# The user just found this letter, let's play it to give a
# success feedback
if self.alphabet_array[index].get_property("fill_color_rgba") != self.text_color:
self.play_letter(self.letter_array[index])
self.alphabet_array[index].set_property("fill_color_rgba",
self.text_color)
# If an alphabet's color changes to blue the counter is increased
# and the index number of tile is appended to a self.tile_index_array
if self.alphabet_array[index].get_property("fill_color_rgba") == self.text_color \
and index not in self.tile_index_array :
self.tile_index_array.append(index)
self.counter +=1
# If counter equals level number then call a timer_loop
if (self.counter == self.gcomprisBoard.level) :
self.timerAnim = gobject.timeout_add(1000, self.timer_loop)
# This timer loop is to wait for milliseconds before calling a Bonus API
def timer_loop(self):
self.gamewon = True
gcompris.bonus.display(gcompris.bonus.WIN,gcompris.bonus.SMILEY)
def animationFinished(self, item, status):
if self.reseted:
return
print "animationFinished"
if (self.counter != self.gcomprisBoard.level) :
self.gamewon = False
gcompris.bonus.display(gcompris.bonus.LOOSE,gcompris.bonus.SMILEY)
def end(self):
self.reseted = True
# Remove the root item removes all the others inside it
self.root.remove()
self.map_rootitem.remove()
self.horizontalTextRoot.remove()
self.verticalTextRoot.remove()
gcompris.score.end()
def ok(self):
pass
def repeat(self):
if(self.mapActive):
self.map_rootitem.props.visibility = goocanvas.ITEM_INVISIBLE
self.mapActive = False
else :
self.map_rootitem.props.visibility = goocanvas.ITEM_VISIBLE
self.mapActive = True
def config(self):
pass
def key_press(self, keyval, commit_str, preedit_str):
pass
def pause(self, pause):
self.board_paused = pause
# This is to hide the Repeat board
if self.mapActive == True:
self.root.props.visibility = goocanvas.ITEM_INVISIBLE
if (self.board_paused):
self.verticalTextRoot.stop_animation()
self.planeroot.stop_animation()
return
self.reset_level()
if self.gamewon:
self.increment_level()
self.gamewon = False
self.end()
self.start()
def reset_level(self):
self.letter_array = []
self.tile_array = []
self.alphabet_array = []
self.tile_index_array = []
self.counter = 0
def increment_level(self):
self.reset_level()
self.gcomprisBoard.sublevel += 1
if(self.gcomprisBoard.sublevel>self.gcomprisBoard.number_of_sublevel):
self.gcomprisBoard.sublevel=1
self.gcomprisBoard.level += 1
if(self.gcomprisBoard.level > self.gcomprisBoard.maxlevel):
self.gcomprisBoard.level = 1
def set_level(self, level):
#This is to hide the Repeat board in case set_level button gets pressed
if self.mapActive == True:
self.root.props.visibility = goocanvas.ITEM_INVISIBLE
self.reset_level()
self.gcomprisBoard.level = level
self.gcomprisBoard.sublevel = 1
gcompris.bar_set_level(self.gcomprisBoard)
self.end()
self.start()
def play_letter(self, letter):
# Play the letter
filename = 'voices/$LOCALE/alphabet/U%04X.ogg' % ord(letter.lower())
gcompris.sound.play_ogg(filename)
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