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#Copyright (c) 2009, Walter Bender
#Copyright (c) 2009, Michele Pratusevich
#Copyright (c) 2009, Vincent Le
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in
#all copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#THE SOFTWARE.
import pygtk
pygtk.require('2.0')
import gtk
from gettext import gettext as _
try:
from sugar.graphics import style
GRID_CELL_SIZE = style.GRID_CELL_SIZE
except:
GRID_CELL_SIZE = 0
from grid import *
from card import *
from math import sqrt
CARD_W = 55
CARD_H = 125
class taWindow: pass
#
# handle launch from both within and without of Sugar environment
#
def new_window(canvas, path, parent=None):
tw = taWindow()
tw.path = path
tw.activity = parent
# starting from command line
# we have to do all the work that was done in CardSortActivity.py
if parent is None:
tw.sugar = False
tw.canvas = canvas
# starting from Sugar
else:
tw.sugar = True
tw.canvas = canvas
parent.show_all()
tw.canvas.set_flags(gtk.CAN_FOCUS)
tw.canvas.add_events(gtk.gdk.BUTTON_PRESS_MASK)
tw.canvas.add_events(gtk.gdk.BUTTON_RELEASE_MASK)
tw.canvas.connect("expose-event", _expose_cb, tw)
tw.canvas.connect("button-press-event", _button_press_cb, tw)
tw.canvas.connect("button-release-event", _button_release_cb, tw)
tw.canvas.connect("key_press_event", _keypress_cb, tw)
tw.width = gtk.gdk.screen_width()
tw.height = gtk.gdk.screen_height()-GRID_CELL_SIZE
tw.card_w = CARD_W
tw.card_h = CARD_H
tw.scale = 0.8 * tw.height/(tw.card_h*3)
tw.area = tw.canvas.window
tw.gc = tw.area.new_gc()
tw.cm = tw.gc.get_colormap()
tw.msgcolor = tw.cm.alloc_color('black')
tw.sprites = []
tw.selected = []
# create a deck of cards, shuffle, and then deal
tw.deck = Grid(tw)
tw.deck.shuffle()
tw.deck.deal(tw)
# initialize three card-selected overlays
for i in range(0,3):
tw.selected.append(Card(tw,-1,0,0,0))
# make an array of three cards that are clicked
tw.clicked = [None, None, None]
# Start doing something
tw.keypress = ""
tw.press = -1
tw.release = -1
tw.start_drag = [0,0]
return tw
#
# Button press
#
def _button_press_cb(win, event, tw):
win.grab_focus()
x, y = map(int, event.get_coords())
tw.start_drag = [x,y]
spr = findsprite(tw,(x,y))
if spr is None:
tw.press = None
tw.release = None
return True
# take note of card under button press
tw.press = spr
return True
#
# Button release
#
def _button_release_cb(win, event, tw):
win.grab_focus()
x, y = map(int, event.get_coords())
spr = findsprite(tw,(x,y))
if spr is None:
tw.press = None
tw.release = None
return True
# take note of card under button release
tw.release = spr
# check to make sure that the current card isn't already selected
for a in tw.clicked:
if a is spr:
return True
# add the selected card to the list
for a in tw.clicked:
if a is None:
if tw.deck.spr_to_card(spr).index is not None:
print "selecting card " + str(tw.deck.spr_to_card(spr).index)
else:
print "selected card not found"
i = tw.clicked.index(a)
tw.clicked[i] = spr
tw.selected[i].spr.x = spr.x
tw.selected[i].spr.y = spr.y
tw.selected[i].draw_card()
# we only want to add the card to the list once
break
# if we have three cards selected, test for a set
#check to see if it's a set
try:
tw.clicked.index(None)
except ValueError:
if set_check([tw.deck.spr_to_card(tw.clicked[0]),
tw.deck.spr_to_card(tw.clicked[1]),
tw.deck.spr_to_card(tw.clicked[2])]):
tw.activity.results_label.set_text(_("found a set"))
# remove the set and
# draw three new cards from the deck
if tw.deck.remove_and_replace(tw.clicked, tw) is None:
tw.activity.results_label.set_text(_("deck is empty"))
else:
tw.activity.results_label.set_text(_("not a set"))
print "reseting board"
tw.clicked = [None, None, None]
for a in tw.selected:
a.hide_card()
return True
#
# Keypress
#
def _keypress_cb(area, event, tw):
tw.keypress = gtk.gdk.keyval_name(event.keyval)
return True
#
# Repaint
#
def _expose_cb(win, event, tw):
redrawsprites(tw)
return True
#
# callbacks
#
def _destroy_cb(win, event, tw):
gtk.main_quit()
#
# Check whether three cards are a set based on the criteria that
# in all characteristics:
# either all cards are the same of all cards are different
#
def set_check(cardarray):
for a in cardarray:
if a is None:
return False
if (cardarray[0].num + cardarray[1].num + cardarray[2].num)%3 != 0:
return False
if (cardarray[0].fill + cardarray[1].fill + cardarray[2].fill)%3 != 0:
return False
if (cardarray[0].shape + cardarray[1].shape + cardarray[2].shape)%3 != 0:
return False
if cardarray[0].color == cardarray[1].color and \
cardarray[1].color != cardarray[2].color:
return False
if cardarray[0].color != cardarray[1].color and \
cardarray[1].color != cardarray[2].color and \
cardarray[0].color == cardarray[2].color:
return False
if cardarray[0].color != cardarray[1].color and \
cardarray[1].color == cardarray[2].color and \
cardarray[0].color != cardarray[2].color:
return False
if cardarray[0].color == cardarray[1].color and \
cardarray[1].color == cardarray[2].color and \
cardarray[0].color != cardarray[2].color:
return False
return True
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