player_mainwindow.py

   1 # Get A Clue (C) 2010 V. Harishankar
   2 # Crossword puzzle maker program
   3 # Licensed under the GNU GPL v3
   4
   5 # Main window class for GetAClue player
   6
   7 import sys
   8 import os.path
   9 import cPickle
  10 import pygtk
  11 pygtk.require20 ()
  12 import gtk
  13 import cairo
  14
  15 import crosswordpuzzle
  16
  17 class MainWindow:
  18         # typing mode constants
  19         ACROSS = 1
  20         DOWN = 2
  21         # license text to be displayed in the about dialog
  22         LICENSE_TEXT = """GetAClue is free software: you can redistribute it and/or modify
  23 it under the terms of the GNU General Public License as published by
  24 the Free Software Foundation, either version 3 of the License, or
  25 (at your option) any later version.
  26
  27 GetAClue is distributed in the hope that it will be useful,
  28 but WITHOUT ANY WARRANTY; without even the implied warranty of
  29 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  30 GNU General Public License for more details.
  31
  32 You should have received a copy of the GNU General Public License
  33 along with GetAClue.  If not, see <http://www.gnu.org/licenses/>."""
  34
  35         # quit verification
  36         def verify_quit (self):
  37                 if self.puzzle:
  38                         dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
  39                                         gtk.MESSAGE_QUESTION, gtk.BUTTONS_YES_NO,
  40                                         "Puzzle is open. Are you sure you wish to quit?")
  41                         if dlg.run () <> gtk.RESPONSE_YES:
  42                                 dlg.destroy ()
  43                                 return False
  44                         dlg.destroy ()
  45                 return True
  46
  47         # callback for menu item open activated event
  48         def on_open_activate (self, menuitem):
  49                 dlg = gtk.FileChooserDialog ("Open a GetAClue puzzle", self.window,
  50                                 gtk.FILE_CHOOSER_ACTION_OPEN,
  51                         (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN, gtk.RESPONSE_OK))
  52
  53                 if dlg.run () == gtk.RESPONSE_OK:
  54                         puzzlefile = dlg.get_filename ()
  55                         self.open_file (puzzlefile)
  56
  57                 dlg.destroy ()
  58
  59         # callback for menu item save as activated event
  60         def on_save_as_activate (self, menuitem):
  61                 if self.puzzle:
  62                         dlg = gtk.FileChooserDialog ("Save GetAClue puzzle as", self.window,
  63                                 gtk.FILE_CHOOSER_ACTION_SAVE,
  64                                 (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_SAVE,
  65                                         gtk.RESPONSE_OK))
  66                         if dlg.run () == gtk.RESPONSE_OK:
  67                                 puzzlefile = dlg.get_filename ()
  68                                 self.save_file (puzzlefile)
  69
  70                         dlg.destroy ()
  71
  72         # callback for main window destroy
  73         def on_mainwindow_destroy (self, args):
  74                 gtk.main_quit ()
  75
  76
  77         # callback for window closing dialog
  78         def on_mainwindow_delete_event (self, window, event):
  79                 # verify whether really to quit or not if a puzzle is open
  80                 v = self.verify_quit ()
  81                 # return False for deleting and True for not deleting
  82                 return not v
  83
  84         # callback for menu item quit activated event
  85         def on_quit_activate (self, menuitem):
  86                 # verify whether really to quit or not if a puzzle is open
  87                 v = self.verify_quit ()
  88                 # if verified, then quit
  89                 if v is True:
  90                         self.window.destroy ()
  91
  92         # callback for menu item clear grid activated event
  93         def on_cleargrid_activate (self, menuitem):
  94                 if self.puzzle:
  95                         dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
  96                                         gtk.MESSAGE_QUESTION, gtk.BUTTONS_YES_NO,
  97                                         "Are you sure you wish to clear your entries?")
  98                         if dlg.run () == gtk.RESPONSE_YES:
  99                                 # clear the guesses
 100                                 self.puzzle.clear_guesses ()
 101                                 # redraw the grid
 102                                 puzgrid = self.ui.get_object ("puzzlegrid")
 103                                 puzgrid.queue_draw ()
 104                         dlg.destroy()
 105
 106         # callback for menu item verify board activated event
 107         def on_verify_activate (self, menuitem):
 108                 if self.puzzle:
 109                         try:
 110                                 ans = self.puzzle.is_solution_correct ()
 111                                 # if the solution is correct
 112                                 if ans:
 113                                         dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 114                                                         gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE,
 115                                                         "Success! Your entries are correct.")
 116                                         dlg.run ()
 117                                 else:
 118                                         dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 119                                                         gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE,
 120                                                         "Your solution has some errors. Fix them and try again")
 121                                         dlg.run ()
 122                         except crosswordpuzzle.IncompleteSolutionException:
 123                                 dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 124                                                 gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
 125                                                 "You've not completed the board yet. Cannot verify")
 126                                 dlg.run ()
 127                         dlg.destroy ()
 128
 129         # callback for menu item hide solution activated event
 130         def on_hidesolution_activate (self, menuitem):
 131                 if self.puzzle:
 132                         # hide the solution
 133                         self.puzzle.reveal_solution (False)
 134                         puzgrid = self.ui.get_object ("puzzlegrid")
 135                         # redraw the grid
 136                         puzgrid.queue_draw ()
 137
 138         # callback for menu item reveal solution activated event
 139         def on_revealsolution_activate (self, menuitem):
 140                 if self.puzzle:
 141                         # confirm first
 142                         dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 143                                 gtk.MESSAGE_QUESTION, gtk.BUTTONS_YES_NO,
 144                                 "This will reveal all words in the puzzle! Are you sure?")
 145                         if dlg.run () == gtk.RESPONSE_YES:
 146                                 # reveal the solution
 147                                 self.puzzle.reveal_solution ()
 148                                 # redraw the grid
 149                                 puzgrid = self.ui.get_object ("puzzlegrid")
 150                                 puzgrid.queue_draw ()
 151                         dlg.destroy ()
 152
 153         # callback for menu item reveal word activated event
 154         def on_revealword_activate (self, menuitem):
 155                 if self.puzzle:
 156                         # reveal across/down word if any the position
 157                         if self.puzzle.data[self.selected_row][self.selected_col].occupied_across is True:
 158                                 dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 159                                                 gtk.MESSAGE_QUESTION, gtk.BUTTONS_YES_NO,
 160                                                 "Are you sure you wish to reveal across word at current cell?")
 161                                 # confirm that the user wants to reveal
 162                                 if dlg.run () == gtk.RESPONSE_YES:
 163                                         self.puzzle.reveal_word_across (self.selected_row, self.selected_col)
 164                                         # redraw the grid to reveal the word
 165                                         puzgrid = self.ui.get_object ("puzzlegrid")
 166                                         puzgrid.queue_draw ()
 167                                 dlg.destroy ()
 168                         if self.puzzle.data[self.selected_row][self.selected_col].occupied_down is True:
 169                                 dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 170                                                 gtk.MESSAGE_QUESTION, gtk.BUTTONS_YES_NO,
 171                                                 "Are you sure wish to reveal down word at current cell?")
 172                                 if dlg.run () == gtk.RESPONSE_YES:
 173                                         self.puzzle.reveal_word_down (self.selected_row, self.selected_col)
 174                                         # redraw the grid to reveal the word
 175                                         puzgrid = self.ui.get_object ("puzzlegrid")
 176                                         puzgrid.queue_draw ()
 177                                 dlg.destroy ()
 178
 179         # callback for menu help about activated event
 180         def on_about_activate (self, menu_item):
 181                 # display the about dialog
 182                 self.about ()
 183
 184         # function to set the selected row/col based on the number clicked
 185         # on the clues list and also set the typing mode
 186         def set_selection_of_num (self, num, across = True):
 187                 # get the row, col of the word
 188                 row, col = self.puzzle.get_position_of_num (num)
 189
 190                 # set the selected row and column
 191                 self.selected_row = row
 192                 self.selected_col = col
 193                 # set typing mode to across
 194                 if across is True:
 195                         self.typing_mode = self.ACROSS
 196                 else:
 197                         self.typing_mode = self.DOWN
 198
 199                 # update the puzzle grid
 200                 puzgrid = self.ui.get_object ("puzzlegrid")
 201
 202                 puzgrid.queue_draw ()
 203
 204         # callback for tree view "across" being activated
 205         # activated - when double clicked or enter pressed
 206         def on_tree_clues_across_row_activated (self, view, path, column):
 207                 # get the across list object
 208                 across_list = self.ui.get_object ("clues_across")
 209                 # get the number of the across word
 210                 anum = int (across_list.get_value (across_list.get_iter (path), 0))
 211
 212                 self.set_selection_of_num (anum)
 213
 214                 return False
 215
 216         # callback for tree view "down" being activated
 217         # activated - when double clicked or enter pressed
 218         def on_tree_clues_down_row_activated (self, view, path, column):
 219                 # get the down list object
 220                 down_list = self.ui.get_object ("clues_down")
 221                 # get the number of the down word
 222                 dnum = int (down_list.get_value (down_list.get_iter (path), 0))
 223
 224                 self.set_selection_of_num (dnum, False)
 225
 226         # moving the current selection in grid by one up or down
 227         def move_selection_updown (self, step):
 228                 # increase or reduce the row by step until an occupied grid is found
 229                 # black block
 230                 if self.puzzle:
 231                         last_occupied_row = self.selected_row
 232                         while True:
 233                                 self.selected_row += step
 234                                 if self.selected_row < 0 or self.selected_row >= self.puzzle.rows:
 235                                         self.selected_row = last_occupied_row
 236                                         break
 237                                 if (self.puzzle.data[self.selected_row][self.selected_col].occupied_across is True
 238                                         or self.puzzle.data[self.selected_row][self.selected_col].occupied_down is True):
 239                                         break
 240
 241         # moving the current selection in grid by one across either way
 242         def move_selection_across (self, step):
 243                 # increase or reduce the row by step until an occupied grid is found
 244                 # black block
 245                 if self.puzzle:
 246                         last_occupied_col = self.selected_col
 247                         while True:
 248                                 self.selected_col += step
 249                                 if self.selected_col < 0 or self.selected_col >= self.puzzle.cols:
 250                                         self.selected_col = last_occupied_col
 251                                         break
 252                                 if (self.puzzle.data[self.selected_row][self.selected_col].occupied_across is True
 253                                         or self.puzzle.data[self.selected_row][self.selected_col].occupied_down is True):
 254                                         break
 255
 256         # set the guessed character in the grid at selected location and move the
 257         # selection across or down as the case may be
 258         def set_guess (self, guess_char):
 259                 if self.puzzle:
 260                         # set a guess only if not revealed
 261                         if self.puzzle.data[self.selected_row][self.selected_col].revealed is False:
 262                                 self.puzzle.data[self.selected_row][self.selected_col].guess = guess_char
 263                                 # across mode typing
 264                                 if self.typing_mode == self.ACROSS:
 265                                         # move by one character across but only if there is no block
 266                                         # in between
 267                                         old_col = self.selected_col
 268                                         self.move_selection_across (1)
 269                                         if abs (self.selected_col - old_col) > 1:
 270                                                 self.selected_col = old_col
 271                                 # down mode typing
 272                                 else:
 273                                         # move by one character down but only if there is no block
 274                                         # in between
 275                                         old_row = self.selected_row
 276                                         self.move_selection_updown (1)
 277                                         if abs (self.selected_row - old_row) > 1:
 278                                                 self.selected_row = old_row
 279
 280         # delete the guessed char in the previous row/col depending on the input mode
 281         # If input mode is ACROSS then delete guessed char at previous column else
 282         # at previous row
 283         def delete_prev_guess (self):
 284                 if self.puzzle:
 285                         if self.typing_mode == self.ACROSS:
 286                                 # prevent deleting characters when there is a gap
 287                                 old_sel_col = self.selected_col
 288                                 self.move_selection_across (-1)
 289                                 # only if there is no block inbetween delete
 290                                 if abs (self.selected_col - old_sel_col) <= 1:
 291                                         self.puzzle.data[self.selected_row][self.selected_col].guess = None
 292                                 # reset selection
 293                                 else:
 294                                         self.selected_col = old_sel_col
 295                         elif self.typing_mode == self.DOWN:
 296                                 # prevent deleting characters when there is a gap
 297                                 old_sel_row = self.selected_row
 298                                 self.move_selection_updown (-1)
 299                                 # only if there is no block inbetween delete
 300                                 if abs (self.selected_row - old_sel_row) <= 1:
 301                                         self.puzzle.data[self.selected_row][self.selected_col].guess = None
 302                                 # reset selection
 303                                 else:
 304                                         self.selected_row = old_sel_row
 305
 306         # callback for puzzle grid mouse button release event
 307         def on_puzzlegrid_button_press_event (self, drawarea, event):
 308                 # set the focus on the puzzle grid
 309                 if self.puzzle:
 310                         self.window.set_focus (drawarea)
 311
 312                         col = int (event.x / 30)
 313                         row = int (event.y / 30)
 314
 315                         if col < self.puzzle.cols and row < self.puzzle.rows:
 316                                 if (self.puzzle.data[row][col].occupied_across is True or
 317                                 self.puzzle.data[row][col].occupied_down is True):
 318                                         self.selected_col = col
 319                                         self.selected_row = row
 320                                         drawarea.queue_draw ()
 321
 322                 return False
 323
 324         # callback for main window key release event
 325         def on_mainwindow_key_press_event (self, window, event):
 326                 if self.puzzle:
 327                         drawarea = self.ui.get_object ("puzzlegrid")
 328                         key = gtk.gdk.keyval_name (event.keyval).lower ()
 329
 330                         if event.state == gtk.gdk.SHIFT_MASK and key == "up":
 331                                 # reduce the row by 1 until you find an occupied grid and not a
 332                                 # black block
 333                                 self.move_selection_updown (-1)
 334                                 self.typing_mode = self.DOWN
 335                                 drawarea.queue_draw ()
 336                         elif event.state == gtk.gdk.SHIFT_MASK and key == "down":
 337                                 # increase the row by 1 until you find an occupied grid and not a
 338                                 # black block
 339                                 self.move_selection_updown (1)
 340                                 self.typing_mode = self.DOWN
 341                                 drawarea.queue_draw ()
 342                         elif event.state == gtk.gdk.SHIFT_MASK and key == "right":
 343                                 # increase the column by 1 until you find an occupied grid and not
 344                                 # a black block
 345                                 self.move_selection_across (1)
 346                                 self.typing_mode = self.ACROSS
 347                                 drawarea.queue_draw ()
 348                         elif event.state == gtk.gdk.SHIFT_MASK and key == "left":
 349                                 # decrease the column by 1 until you find an occupied grid and not
 350                                 # a black block
 351                                 self.move_selection_across (-1)
 352                                 self.typing_mode = self.ACROSS
 353                                 drawarea.queue_draw ()
 354                         # if it is A-Z or a-z then
 355                         elif len (key) == 1 and key.isalpha ():
 356                                 guess_char = key.upper ()
 357                                 self.set_guess (guess_char)
 358                                 drawarea.queue_draw ()
 359                         # if it is the delete key then delete character at selected row/col
 360                         elif key == "delete":
 361                                 self.puzzle.data[self.selected_row][self.selected_col].guess = None
 362                                 drawarea.queue_draw ()
 363                         # if the key is space key then delete character and move across or
 364                         # down one step depending on the mode
 365                         elif key == "space":
 366                                 self.set_guess (None)
 367                                 drawarea.queue_draw ()
 368                         # if it is backspace key then delete character at previous row/col
 369                         # depending on the input mode. If across editing mode, then delete
 370                         # at previous column else at previous row
 371                         elif key == "backspace":
 372                                 self.delete_prev_guess ()
 373                                 drawarea.queue_draw ()
 374
 375                 return False
 376
 377         # puzzle grid focus in event
 378         def on_puzzlegrid_focus_out_event (self, drawarea, event):
 379                 if self.puzzle:
 380                         col = drawarea.window.get_colormap ().alloc_color (gtk.gdk.Color ("gray"))
 381                         drawarea.window.set_background (col)
 382
 383                 return False
 384
 385         # puzzle grid focus out event
 386         def on_puzzlegrid_focus_in_event (self, drawarea, event):
 387                 if self.puzzle:
 388                         col = drawarea.window.get_colormap ().alloc_color (gtk.gdk.Color ("white"))
 389                         drawarea.window.set_background (col)
 390                 return False
 391
 392         # callback for drawing the puzzle grid
 393         def on_puzzlegrid_expose_event (self, drawarea, event):
 394                 # if puzzle is loaded
 395                 if self.puzzle:
 396                         # size the area
 397                         drawarea.set_size_request (self.puzzle.cols*30+2, self.puzzle.rows*30+2)
 398
 399                         ctx = drawarea.window.cairo_create ()
 400                         ctx.set_line_width (1.5)
 401
 402                         # run through the grid
 403                         for row in range (self.puzzle.rows):
 404                                 for col in range (self.puzzle.cols):
 405                                         # (re)set foreground color
 406                                         ctx.set_source_rgb (0, 0, 0)
 407                                         # if the area is not occupied
 408                                         if (self.puzzle.data[row][col].occupied_across is False and
 409                                                 self.puzzle.data[row][col].occupied_down is False):
 410                                                 ctx.rectangle (col*30, row*30, 30, 30)
 411                                                 ctx.fill ()
 412                                         else:
 413                                                 # if selected row/column
 414                                                 if row == self.selected_row and col == self.selected_col:
 415                                                         ctx.set_source_rgb (1, 1, 0)
 416                                                         ctx.rectangle (col*30,row*30, 30, 30)
 417                                                         ctx.fill ()
 418                                                 else:
 419                                                         ctx.set_source_rgb (1, 1, 1)
 420                                                         ctx.rectangle (col*30, row*30, 30, 30)
 421                                                         ctx.fill ()
 422                                                         ctx.set_source_rgb (0, 0, 0)
 423                                                         ctx.rectangle (col*30, row*30, 30, 30)
 424                                                         ctx.stroke ()
 425
 426                                                 # if numbered
 427                                                 if self.puzzle.data[row][col].numbered <> 0:
 428                                                         ctx.set_source_rgb (0, 0, 0)
 429                                                         ctx.select_font_face ("Serif")
 430                                                         ctx.set_font_size (10)
 431                                                         ctx.move_to (col*30+2, row*30+10)
 432                                                         ctx.show_text (str(self.puzzle.data[row][col].numbered))
 433
 434                                                 # if there is a guessed character at the location
 435                                                 # and it is not revealed as a solution
 436                                                 if (self.puzzle.data[row][col].guess and
 437                                                         self.puzzle.data[row][col].revealed is False and
 438                                                         (self.puzzle.data[row][col].occupied_across is True
 439                                                         or self.puzzle.data[row][col].occupied_down is True)):
 440                                                         ctx.set_source_rgb (0, 0, 0)
 441                                                         ctx.select_font_face ("Serif", cairo.FONT_SLANT_NORMAL,
 442                                                                         cairo.FONT_WEIGHT_BOLD)
 443                                                         ctx.set_font_size (16)
 444                                                         ctx.move_to (col*30+10, row*30+20)
 445                                                         ctx.show_text (self.puzzle.data[row][col].guess)
 446
 447                                                 # if there is a revealed solution character at the location
 448                                                 if (self.puzzle.data[row][col].revealed is True and
 449                                                         (self.puzzle.data[row][col].occupied_across is True
 450                                                         or self.puzzle.data[row][col].occupied_down is True)):
 451                                                         ctx.set_source_rgb (0, 0, 0.8)
 452                                                         ctx.select_font_face ("Serif", cairo.FONT_SLANT_NORMAL,
 453                                                                         cairo.FONT_WEIGHT_BOLD)
 454                                                         ctx.set_font_size (16)
 455                                                         ctx.move_to (col*30+10, row*30+20)
 456                                                         ctx.show_text (self.puzzle.data[row][col].char)
 457
 458                         return False
 459
 460         # load clues to the list
 461         def load_clues (self):
 462                 # get the clues list store objects
 463                 across = self.ui.get_object ("clues_across")
 464                 down = self.ui.get_object ("clues_down")
 465                 across.clear ()
 466                 down.clear ()
 467
 468                 # if puzzle is loaded
 469                 if self.puzzle:
 470                         clues_across = self.puzzle.get_clues_across ()
 471                         clues_down = self.puzzle.get_clues_down ()
 472                         # insert the numbers and the clues for across
 473                         for word, clue in clues_across:
 474                                 across.append ([str(self.puzzle.data[word[1]][word[2]].numbered),
 475                                                         clue])
 476                         # insert the numbers and the clues for down
 477                         for word, clue in clues_down:
 478                                 down.append ([ str(self.puzzle.data[word[1]][word[2]].numbered),
 479                                                         clue])
 480
 481         def save_file (self, file):
 482                 # try to save the file
 483                 try:
 484                         cPickle.dump (self.puzzle, open (file, "wb"), cPickle.HIGHEST_PROTOCOL)
 485                 except (IOError, OSError, cPickle.PicklingError):
 486                         dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 487                                 gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
 488                                 "Error in saving puzzle")
 489                         dlg.run ()
 490                         dlg.destroy ()
 491
 492         # open a file
 493         def open_file (self, file):
 494                 # try to open the file
 495                 try:
 496                         # load the puzzle
 497                         self.puzzle = cPickle.load (open (file, "rb"))
 498                         # assert that it is unfrozen otherwise raise frozen grid exception
 499                         self.puzzle.assert_frozen_grid ()
 500
 501                         # set selected initial row and column to 0
 502                         self.selected_row = 0
 503                         self.selected_col = 0
 504                         # set the typing mode to default - across
 505                         self.typing_mode = self.ACROSS
 506
 507                         self.window.set_title ("GetAClue player - " + file)
 508                         # load the clues
 509                         self.load_clues ()
 510                 # handle unpickling, and file errors
 511                 except (cPickle.UnpicklingError, IOError, OSError):
 512                         dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 513                                 gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
 514                                 "Invalid file. Cannot be loaded")
 515                         dlg.run ()
 516                         dlg.destroy ()
 517                 # if the puzzle has no words, then it cannot be played obviously
 518                 except crosswordpuzzle.NoWordsException:
 519                         self.puzzle = None
 520                         dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 521                                 gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
 522                                 "Word grid has no words. Cannot play")
 523                         dlg.run ()
 524                         dlg.destroy ()
 525                 # if the puzzle is not frozen then it cannot be played
 526                 except crosswordpuzzle.FrozenGridException:
 527                         self.puzzle = None
 528                         dlg = gtk.MessageDialog (self.window, gtk.DIALOG_MODAL,
 529                                 gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
 530                                 "Word grid is not finalized/frozen. Cannot play")
 531                         dlg.run ()
 532                         dlg.destroy ()
 533
 534         # about dialog
 535         def about (self):
 536                 dlg = gtk.AboutDialog ()
 537                 dlg.set_name ("GetAClue Player")
 538                 dlg.set_copyright ("Copyright 2010 V.Harishankar")
 539                 dlg.set_website ("http://harishankar.org/software")
 540                 dlg.set_authors (("Harishankar",))
 541                 dlg.set_logo (self.window.get_icon())
 542                 dlg.set_license (self.LICENSE_TEXT)
 543                 dlg.set_comments ("Create and play Crossword puzzles")
 544                 dlg.run ()
 545                 dlg.destroy ()
 546
 547         def __init__ (self, file_to_play = None):
 548                 # load the user interface
 549                 self.ui = gtk.Builder ()
 550
 551                 # Path for the interface file - change this if you are distributing
 552                 # the application and put the icon, interface file in a different
 553                 # location!!
 554                 gladepath = os.path.join (sys.path[0], "playerwindow.glade")
 555                 self.ui.add_from_file (gladepath)
 556
 557                 # window object
 558                 self.window = self.ui.get_object ("mainwindow")
 559                 self.window.show ()
 560
 561                 # set the cell renderer for tree views
 562                 cell = gtk.CellRendererText ()
 563                 tree_acol1 = self.ui.get_object ("tree_clues_across").get_column (0)
 564                 tree_acol2 = self.ui.get_object ("tree_clues_across").get_column (1)
 565                 tree_acol1.pack_start (cell)
 566                 tree_acol1.add_attribute (cell, "text", 0)
 567                 tree_acol2.pack_start (cell)
 568                 tree_acol2.add_attribute (cell, "text", 1)
 569
 570                 tree_down = self.ui.get_object ("tree_clues_down")
 571                 tree_dcol1 = self.ui.get_object ("tree_clues_down").get_column (0)
 572                 tree_dcol2 = self.ui.get_object ("tree_clues_down").get_column (1)
 573                 tree_dcol1.pack_start (cell)
 574                 tree_dcol1.add_attribute (cell, "text", 0)
 575                 tree_dcol2.pack_start (cell)
 576                 tree_dcol2.add_attribute (cell, "text", 1)
 577
 578                 # connect the signals
 579                 self.ui.connect_signals (self)
 580
 581                 # set the puzzle to None
 582                 self.puzzle = None
 583
 584                 # open the file if it is set
 585                 if file_to_play:
 586                         self.open_file (file_to_play)
 587
 588                 gtk.main ()
 589
 590