callbacks.cxx

   1 /*
   2 ** $Id$
   3 */
   4 /*
   5 **    Copyright (C) 1998 Kurt Van den Branden
   6 **
   7 ** This program is free software; you can redistribute it and/or modify
   8 ** it under the terms of the GNU General Public License as published by
   9 ** the Free Software Foundation; either version 2 of the License, or
  10 ** (at your option) any later version.
  11 **
  12 ** This program is distributed in the hope that it will be useful,
  13 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ** GNU General Public License for more details.
  16 **
  17 ** You should have received a copy of the GNU General Public License
  18 ** along with this program; if not, write to the Free Software
  19 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include <stdio.h>
  23 #include <time.h>
  24 #include <FL/Fl.H>
  25 #include <FL/fl_ask.H>
  26
  27 #ifdef NEWFILECHOOSER
  28 #include <FileChooser.h>
  29 #else
  30 #include <FL/fl_file_chooser.H>
  31 #endif
  32
  33 #include "callbacks.h"
  34 #include "thegame.h"
  35 #include "helptext.h"
  36
  37 extern char versiontext[];
  38 int interrupt_computer = 0;
  39 char currentfilename[100] = "";
  40
  41 void show_about (int flag)
  42 {
  43     Fl_Window * aboutw;
  44
  45     aboutw = make_aboutwindow ();
  46     box_versiontext->label (versiontext);
  47     aboutw->show();
  48
  49     if (flag)
  50     {
  51         Fl::add_timeout (5.0, remove_about, (void *) aboutw);
  52         return;
  53     }
  54
  55     return;
  56 }
  57
  58 void remove_about (void * aboutwindow)
  59 {
  60     Fl_Window * aboutw = (Fl_Window *) aboutwindow;
  61
  62     Fl::remove_timeout (remove_about, aboutwindow);
  63     delete aboutw;
  64
  65     return;
  66 }
  67
  68
  69 void gf1_alert (char * message)
  70 {
  71     Fl_Widget * icon;
  72
  73     icon = fl_message_icon ();
  74     icon->box (FL_ENGRAVED_BOX);
  75     icon->color (FL_GRAY);
  76
  77     fl_alert (message);
  78
  79     return;
  80 }
  81
  82
  83 /*
  84 ** returns:
  85 **    1 : yes was pressed
  86 **    0 : no was pressed
  87 **
  88 ** position of the window will be just under the gameboard
  89 */
  90 int gf1_question (char * line1, char * line2)
  91 {
  92     Fl_Window * questionw;
  93     int theend = 0,
  94         value;
  95     Fl_Widget * mainwin;
  96
  97     questionw = make_questionwindow ();
  98     mainwin = gameboard->parent ();
  99     questionw->position (mainwin->x() + gameboard->x(),
 100                          mainwin->y() + mainwin->h() - questionw->h());
 101     qtext1->label (line1);
 102     qtext2->label (line2);
 103
 104     questionw->show();
 105
 106     while (!theend)
 107     {
 108         Fl::wait();
 109
 110         Fl_Widget *x;
 111         while ((x = Fl::readqueue()))
 112         {
 113             if (x == button_qyes)
 114             {
 115                 value = 1;
 116                 theend = 1;
 117             }
 118             else if (x == button_qno)
 119             {
 120                 value = 0;
 121                 theend = 1;
 122             }
 123         }
 124     }
 125
 126     delete questionw;
 127
 128     return (value);
 129 }
 130
 131
 132 /*
 133 ** returns:
 134 **    2 : save was pressed
 135 **    1 : yes was pressed
 136 **    0 : no was pressed
 137 **
 138 ** position of the window will be just under the gameboard
 139 */
 140 int gf1_questionsave (char * line1, char * line2)
 141 {
 142     Fl_Window * questionw;
 143     int theend = 0,
 144         value;
 145     Fl_Widget * mainwin;
 146
 147     questionw = make_questionsavewindow ();
 148     mainwin = gameboard->parent ();
 149     questionw->position (mainwin->x() + gameboard->x(),
 150                          mainwin->y() + mainwin->h() - questionw->h());
 151     qstext1->label (line1);
 152     qstext2->label (line2);
 153
 154     questionw->show();
 155
 156     while (!theend)
 157     {
 158         Fl::wait();
 159
 160         Fl_Widget *x;
 161         while ((x = Fl::readqueue()))
 162         {
 163             if (x == button_qsyes)
 164             {
 165                 value = 1;
 166                 theend = 1;
 167             }
 168             else if (x == button_qsno)
 169             {
 170                 value = 0;
 171                 theend = 1;
 172             }
 173             else if (x == button_qssave)
 174             {
 175                 value = 2;
 176                 theend = 1;
 177             }
 178         }
 179     }
 180
 181     delete questionw;
 182
 183     return (value);
 184 }
 185
 186
 187 void changeinterface (int flag, gamestruct * curgame)
 188 {
 189     listheader * loglines;
 190     char * line,
 191         tempstr[100];
 192
 193     if (flag == INTERFACE_PLAY)
 194     {
 195         /* interface items for playing */
 196         count_lostwhite->hide();
 197         count_lostblack->hide();
 198         choice_piecetype->hide();
 199         menu_piecetype->hide();
 200
 201         text_to->show();
 202         text_from->show();
 203         button_execute->show();
 204
 205         /* the browser widget for logging */
 206         logbrowser->clear();
 207         if (curgame != NULL)
 208         {
 209             logbrowser->color (FL_WHITE);
 210             loglines = logtobrowser (curgame->movelog);
 211             while ((line = (char *) llrembynr (loglines, 1)) != NULL)
 212             {
 213                 logbrowser->add (line);
 214                 free (line);
 215             }
 216             free (loglines);
 217         }
 218         else
 219             logbrowser->color (FL_GRAY);
 220         logbrowser->bottomline (logbrowser->size());
 221
 222         /* player names and timers */
 223         if (curgame != NULL)
 224         {
 225             whitename->value (curgame->player[0].name);
 226             blackname->value (curgame->player[1].name);
 227             if (curgame->player[0].fulltime == -1)
 228             {
 229                 whitetimer->value ("-:--:--");
 230                 blacktimer->value ("-:--:--");
 231             }
 232             else
 233             {
 234                 timertostr (curgame->player[0].timer, tempstr);
 235                 whitetimer->value (tempstr);
 236                 timertostr (curgame->player[1].timer, tempstr);
 237                 blacktimer->value (tempstr);
 238             }
 239             /* background color for player-names shows whose turn it is */
 240             if (curgame->state == GAME_GO)
 241             {
 242                 if (b_next_piece (curgame->boards[0]) == 'o')
 243                 {
 244                     whitename->color (FL_RED);
 245                     blackname->color (FL_GRAY);
 246                 }
 247                 else
 248                 {
 249                     whitename->color (FL_GRAY);
 250                     blackname->color (FL_RED);
 251                 }
 252             }
 253             else
 254             {
 255                 whitename->color (FL_GRAY);
 256                 blackname->color (FL_GRAY);
 257             }
 258             whitename->redraw ();
 259             blackname->redraw ();
 260         }
 261         else
 262         {
 263             whitename->value ("");
 264             blackname->value ("");
 265             whitetimer->value ("");
 266             blacktimer->value ("");
 267             whitename->color (FL_GRAY);
 268             blackname->color (FL_GRAY);
 269             whitename->redraw ();
 270             blackname->redraw ();
 271         }
 272
 273         /* menu items for playing */
 274         menu_new->activate();
 275         menu_loadgame->activate();
 276         if (curgame != NULL)
 277         {
 278             menu_savegame->activate();
 279             menu_savelog->activate();
 280             /*
 281             ** show the undo-button when there is a board to restore and
 282             ** when we are not playing a timed game
 283             */
 284             if ((curgame->boards[2] != NULL) &&
 285                 (curgame->player[0].fulltime == -1) &
 286                 (curgame->state == GAME_GO))
 287                 menu_undo->activate();
 288             else
 289                 menu_undo->deactivate();
 290         }
 291         else
 292         {
 293             menu_savegame->deactivate();
 294             menu_savelog->deactivate();
 295             menu_undo->deactivate();
 296         }
 297         menu_edit->activate();
 298         menu_start->deactivate();
 299         menu_compumove->deactivate();
 300         menu_clear->deactivate();
 301         menu_restore->deactivate();
 302         menu_loadboard->deactivate();
 303
 304         if (curgame == NULL)
 305             menu_saveboard->deactivate();
 306         else
 307             menu_saveboard->activate();
 308 #ifdef HAVEGD
 309         if (curgame == NULL)
 310             menu_makedrawing->deactivate();
 311         else
 312             menu_makedrawing->activate();
 313 #else
 314         menu_makedrawing->deactivate();
 315 #endif
 316
 317         /* state of the gameboard */
 318         if ((curgame == NULL) ||
 319             (curgame->state == GAME_STOP))
 320         {
 321             gameboard->setstate (BOARD_NONE);
 322         }
 323         else
 324         {
 325             gameboard->setstate (BOARD_PLAY);
 326         }
 327     }
 328     else
 329     {
 330         /* interface items for editing */
 331         text_to->hide();
 332         text_from->hide();
 333         button_execute->hide();
 334
 335         count_lostwhite->show();
 336         count_lostblack->show();
 337         choice_piecetype->show();
 338         menu_piecetype->show();
 339
 340         /* the browser widget for logging */
 341         logbrowser->clear();
 342         logbrowser->color (FL_GRAY);
 343
 344         /* player names and timers */
 345         whitename->value ("");
 346         blackname->value ("");
 347         whitetimer->value ("");
 348         blacktimer->value ("");
 349         whitename->color (FL_GRAY);
 350         blackname->color (FL_GRAY);
 351         whitename->redraw ();
 352         blackname->redraw ();
 353
 354         /* menu items for editing */
 355         menu_new->deactivate();
 356         menu_loadgame->deactivate();
 357         menu_savegame->deactivate();
 358         menu_savelog->deactivate();
 359         menu_edit->deactivate();
 360         menu_start->activate();
 361         menu_compumove->activate();
 362         menu_clear->activate();
 363         menu_restore->activate();
 364         menu_loadboard->activate();
 365         menu_saveboard->activate();
 366         menu_undo->deactivate();
 367
 368 #ifdef HAVEGD
 369         menu_makedrawing->activate();
 370 #else
 371         menu_makedrawing->deactivate();
 372 #endif
 373
 374         /* state of the gameboard */
 375         gameboard->setstate (BOARD_EDIT);
 376     }
 377
 378     /* always allowed menu items */
 379     menu_setup->activate();
 380     menu_exit->activate();
 381     menu_help->activate();
 382     menu_about->activate();
 383
 384     /* problems with the UNDO-button if I don't do this */
 385     menubar->redraw ();
 386
 387     return;
 388 }
 389
 390
 391 void setlostcounters (void)
 392 {
 393     board * tempboard;
 394
 395     tempboard = gameboard->getboard ();
 396
 397     if (tempboard == NULL)
 398     {
 399         count_lostwhite->value (0);
 400         count_lostblack->value (0);
 401     }
 402     else
 403     {
 404         count_lostwhite->value (b_white_lost (tempboard));
 405         count_lostblack->value (b_black_lost (tempboard));
 406     }
 407
 408     return;
 409 }
 410
 411
 412 void stop_thinking (Fl_Button * stopbutton, void * data)
 413 {
 414     interrupt_computer = 1;
 415
 416     return;
 417 }
 418
 419
 420 Fl_Window * create_thinkwindow (void)
 421 {
 422     Fl_Window * thinkwindow;
 423     Fl_Widget * mainwin;
 424
 425     thinkwindow = make_thinkwindow ();
 426     mainwin = logbrowser->parent ();
 427     thinkwindow->position (logbrowser->x() + mainwin->x() + 10,
 428                            logbrowser->y() + mainwin->y() + 10);
 429     thinkwindow->show ();
 430     Fl::check();
 431
 432     return (thinkwindow);
 433 }
 434
 435
 436 void timertostr (float newtimer, char * tempstr)
 437 {
 438     int thetimer = (int) newtimer;
 439
 440     if (newtimer <= 0.0)
 441     {
 442         sprintf (tempstr, "YOULOSE");
 443     }
 444     else
 445     {
 446         sprintf (tempstr, "%d:%02d:%02d",
 447                  thetimer / 3600,
 448                  (thetimer % 3600) / 60,
 449                  thetimer % 60);
 450     }
 451
 452     return;
 453 }
 454
 455
 456 Fl_Window * gf1_help (void)
 457 {
 458     int i;
 459     Fl_Window * helpw;
 460
 461     helpw = make_helpwindow ();
 462
 463     for (i = 0; i < NRHELPLINES; i++)
 464     {
 465         browser_help->add (helplines[i]);
 466     }
 467     browser_help->topline (1);
 468
 469     for (i = 0; i < NRSECTIONLINES; i++)
 470     {
 471         browser_sections->add (sectionlines[i].line);
 472     }
 473     browser_sections->topline (1);
 474
 475     return (helpw);
 476 }
 477
 478 void showhelpsection (void)
 479 {
 480     int val = browser_sections->value ();
 481     if (val != 0)
 482     {
 483         browser_help->topline (sectionlines[val-1].offset);
 484     }
 485
 486     return;
 487 }
 488
 489
 490 void setcurrentfilename (const char * str)
 491 {
 492     char tempstr[100],
 493         * pos;
 494
 495     strcpy (currentfilename, str);
 496     if (currentfilename[0] == '\0')
 497     {
 498         sprintf (tempstr, "Gipf for One");
 499     }
 500     else
 501     {
 502 #ifdef MSWIN
 503         if ((pos = strrchr (currentfilename, '\\')) != NULL)
 504 #else
 505         if ((pos = strrchr (currentfilename, '/')) != NULL)
 506 #endif
 507             pos++;
 508         else
 509             pos = currentfilename;
 510         sprintf (tempstr, "Gipf for One (%s)", pos);
 511     }
 512
 513     gf1_window->label (tempstr);
 514     return;
 515 }
 516
 517 char * getcurrentfilename (void)
 518 {
 519     return (currentfilename);
 520 }
 521
 522 const char * file_chooser (char * windowtitle, char * pattern, const char * path)
 523 {
 524     const char * filename = NULL;
 525
 526 #ifdef NEWFILECHOOSER
 527     FileIcon::load_system_icons();
 528
 529     FileChooser fc(path, pattern, FileChooser::CREATE, windowtitle);
 530
 531     fc.show();
 532     while (fc.visible())
 533         Fl::wait();
 534
 535     if (fc.count())
 536       filename = fc.value();
 537 #else
 538     filename = fl_file_chooser (windowtitle, pattern, path);
 539 #endif
 540
 541     return (filename);
 542 }