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# Copyright (C) 2006, 2007, 2008 One Laptop Per Child
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
import gtk
import pango
import svgcard
import os
import math
import gc
from gobject import SIGNAL_RUN_FIRST, TYPE_PYOBJECT
import logging
_logger = logging.getLogger('memorize-activity')
import theme
class CardTable(gtk.EventBox):
__gsignals__ = {
'card-flipped': (SIGNAL_RUN_FIRST, None, [int, TYPE_PYOBJECT]),
'card-overflipped': (SIGNAL_RUN_FIRST, None, [int]),
'card-highlighted': (SIGNAL_RUN_FIRST, None, [int, TYPE_PYOBJECT]),
}
def __init__(self):
gtk.EventBox.__init__(self)
self.data = None
self.cards_data = None
self._workspace_size = 0
# set request size to 100x100 to skip first time sizing in _allocate_cb
self.set_size_request(100, 100)
self.connect('size-allocate', self._allocate_cb)
# Set table settings
self.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('#000000'))
self.table = gtk.Table()
self.table.grab_focus()
self.table.set_flags(gtk.CAN_FOCUS)
self.table.set_flags(gtk.CAN_DEFAULT)
self.table.set_row_spacings(theme.CARD_PAD)
self.table.set_col_spacings(theme.CARD_PAD)
self.table.set_border_width(theme.CARD_PAD)
self.table.set_resize_mode(gtk.RESIZE_IMMEDIATE)
self.set_property('child', self.table)
self.load_message = gtk.Label('Loading Game')
self.load_message.modify_fg(gtk.STATE_NORMAL,
gtk.gdk.color_parse('#ffffff'))
self.load_message.modify_font(pango.FontDescription("10"))
self.load_message.show()
self.first_load = True
self.load_mode = False
self.dict = None
self.show_all()
def _allocate_cb(self, widget, allocation):
size = allocation.height
if size == 100:
# skip first time sizing
return
# do it once
if self._workspace_size:
return
_logger.debug('Use %s allocation' % str(self.allocation))
self.set_size_request(size, size)
self._workspace_size = size
if self.data:
self.load_game(None, self.data, self.cards_data)
def load_game(self, widget, data, grid):
self.data = data
self.cards_data = grid
if self._workspace_size == 0:
# widow is not allocated, thus postpone loading
return
self.size = int(math.ceil(math.sqrt(len(grid))))
if self.size < 4:
self.size = 4
self.table.resize(self.size, self.size)
self.card_size = self.get_card_size(self.size)
self.cards = {}
self.cd2id = {}
self.id2cd = {}
self.dict = {}
self.selected_card = [0, 0]
self.flipped_card = -1
self.table_positions = {}
# Build the table
if data['divided'] == '1':
text1 = str(self.data.get('face1', ''))
text2 = str(self.data.get('face2', ''))
else:
text1 = str(self.data.get('face', ''))
text2 = str(self.data.get('face', ''))
x = 0
y = 0
identifier = 0
for card in self.cards_data:
if card.get('img', None):
jpg = os.path.join(self.data['pathimg'], card['img'])
else:
jpg = None
props = {}
props['front_text'] = {'card_text':card.get('char', ''),
'speak': card.get('speak')}
if card['ab'] == 'a':
props['back_text'] = {'card_text':text1}
elif card['ab'] == 'b':
props['back_text'] = {'card_text':text2}
align = self.data.get('align', '1')
card = svgcard.SvgCard(identifier, props, jpg,
self.card_size, align)
card.connect('enter-notify-event', self.mouse_event, [x, y])
card.connect("button-press-event", self.flip_card_mouse, identifier)
self.table_positions[(x, y)] = 1
self.cd2id[card] = identifier
self.id2cd[identifier] = card
self.cards[(x, y)] = card
self.dict[identifier] = (x, y)
self.table.attach(card, x, x+1, y, y+1, gtk.SHRINK, gtk.SHRINK)
x += 1
if x == self.size:
x = 0
y += 1
identifier += 1
self.first_load = False
if self.load_mode:
self._set_load_mode(False)
self.show_all()
#gc.collect()
def change_game(self, widget, data, grid):
if not self.first_load:
for card in self.cards.values():
self.table.remove(card)
del card
#gc.collect()
self.load_game(None, data, grid)
def get_card_size(self, size_table):
x = (self._workspace_size + theme.CARD_PAD * (size_table-1)) / \
size_table - theme.CARD_PAD * 2
return x
def mouse_event(self, widget, event, coord):
#self.table.grab_focus()
card = self.cards[coord[0], coord[1]]
identifier = self.cd2id.get(card)
self.emit('card-highlighted', identifier, True)
self.selected_card = (coord[0], coord[1])
def key_press_event(self, widget, event):
#self.table.grab_focus()
x = self.selected_card[0]
y = self.selected_card[1]
if event.keyval in (gtk.keysyms.Left, gtk.keysyms.KP_Left):
if self.table_positions.has_key((x-1, y)):
card = self.cards[x-1, y]
identifier = self.cd2id.get(card)
self.emit('card-highlighted', identifier, False)
elif event.keyval in (gtk.keysyms.Right, gtk.keysyms.KP_Right):
if self.table_positions.has_key((x+1, y)):
card = self.cards[x+1, y]
identifier = self.cd2id.get(card)
self.emit('card-highlighted', identifier, False)
elif event.keyval in (gtk.keysyms.Up, gtk.keysyms.KP_Up):
if self.table_positions.has_key((x, y-1)):
card = self.cards[x, y-1]
identifier = self.cd2id.get(card)
self.emit('card-highlighted', identifier, False)
elif event.keyval in (gtk.keysyms.Down, gtk.keysyms.KP_Down):
if self.table_positions.has_key((x, y+1)):
card = self.cards[x, y+1]
identifier = self.cd2id.get(card)
self.emit('card-highlighted', identifier, False)
elif event.keyval in (gtk.keysyms.space, gtk.keysyms.KP_Page_Down):
card = self.cards[x, y]
self.card_flipped(card)
def flip_card_mouse(self, widget, event, identifier):
position = self.dict[identifier]
card = self.cards[position]
self.card_flipped(card)
def card_flipped(self, card):
identifer = self.cd2id[card]
if card.is_flipped():
self.emit('card-overflipped', identifer)
else:
self.emit('card-flipped', identifer, False)
def set_border(self, widget, identifer, stroke_color, fill_color):
self.id2cd[identifer].set_border(stroke_color, fill_color)
def flop_card(self, widget, identifer):
self.id2cd.get(identifer).flop()
def flip_card(self, widget, identifer, full_animation):
self.id2cd.get(identifer).flip(full_animation)
def cement_card(self, widget, identifer):
self.id2cd.get(identifer).cement()
def highlight_card(self, widget, identifer, status):
if self.dict != None:
self.selected_card = self.dict.get(identifer)
self.id2cd.get(identifer).set_highlight(status)
def reset(self, widget):
for identifer in self.id2cd.keys():
self.id2cd[identifer].reset()
def _set_load_mode(self, mode):
if mode:
self.remove(self.table)
self.set_property('child', self.load_message)
else:
self.remove(self.load_message)
self.set_property('child', self.table)
self.load_mode = mode
self.queue_draw()
while gtk.events_pending():
gtk.main_iteration()
def load_msg(self, widget, msg):
if not self.load_mode:
self._set_load_mode(True)
self.load_message.set_text(msg)
self.queue_draw()
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