src/glut/ggi/ggiglut.c

   1 /* **************************************************************************
   2  * ggiglut.c
   3  * **************************************************************************
   4  *
   5  * Copyright (C) 1998 Uwe Maurer - uwe_maurer@t-online.de
   6  * Copyright (C) 1999 James Simmons
   7  * Copyright (C) 1999 Jon Taylor
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Library General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Library General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Library General Public
  20  * License along with this library; if not, write to the Free
  21  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  *
  23  * **************************************************************************
  24  * To-do:
  25  * - Make everything use the portable ggi_* types
  26  *
  27  */
  28
  29 #define BUILDING_GGIGLUT
  30
  31 #define WIDTH   640
  32 #define HEIGHT  480
  33 #define GRAPHTYPE_RGB   GT_16BIT
  34 #define GRAPHTYPE_INDEX GT_8BIT
  35
  36 /*************************************************************************/
  37
  38 #include <GL/gl.h>
  39 #include <GL/glu.h>
  40 #include <GL/glut.h>
  41 #include <malloc.h>
  42 #include <stdio.h>
  43 #include <stdarg.h>
  44 #include <string.h>
  45 #include "GL/ggimesa.h"
  46 #include "debug.h"
  47
  48 #include <ggi/ggi.h>
  49 #include <ggi/gii.h>
  50
  51 int _ggiglutDebugSync = 0;
  52 uint32 _ggiglutDebugState = 0;
  53
  54 char *__glutProgramName = "GGI";
  55
  56 static ggi_visual_t __glut_vis;
  57
  58 static GGIMesaContext __glut_ctx;
  59
  60 //static int __glut_width = WIDTH;
  61 //static int __glut_height = HEIGHT;
  62 //static ggi_graphtype __glut_gt_rgb = GRAPHTYPE_RGB;
  63 //static ggi_graphtype __glut_gt_index = GRAPHTYPE_INDEX;
  64 static int __glut_width = GGI_AUTO;
  65 static int __glut_height = GGI_AUTO;
  66 static ggi_graphtype __glut_gt_rgb = GT_AUTO;
  67 static ggi_graphtype __glut_gt_index = GT_8BIT;
  68 static int __glut_init = GL_FALSE;
  69
  70 static int mousex = WIDTH / 2;
  71 static int mousey = HEIGHT / 2;
  72 static int mouse_moved = GL_FALSE;
  73 static int mouse_down = GL_FALSE;
  74 static int mouse_showcursor = GL_FALSE;
  75
  76 static void (*__glut_reshape)(int, int);
  77 static void (*__glut_display)(void);
  78 static void (*__glut_idle)(void);
  79 static void (*__glut_keyboard)(unsigned char, int, int);
  80 static void (*__glut_special)(int, int, int);
  81 static void (*__glut_mouse)(int, int, int, int);
  82 static void (*__glut_motion)(int, int);
  83 static void (*__glut_passive_motion)(int, int);
  84 static void (*__glut_visibility)(int);
  85
  86 static unsigned int __glut_mode = GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH;
  87
  88 static int __glut_mod_keys = 0;
  89
  90 static int __glut_redisplay = GL_FALSE;
  91
  92 /* Menu */
  93 static int __glut_menubutton = -1;
  94 static int __glut_menuactive = GL_FALSE;
  95
  96 #define MAX_ENTRIES     64
  97
  98 typedef struct menu_s
  99 {
 100         char *label[MAX_ENTRIES];
 101         int value[MAX_ENTRIES];
 102         struct menu_s * submenu[MAX_ENTRIES];
 103         void (*func)(int);
 104         int max_strlen;
 105         int num_entries;
 106 } menu_t;
 107
 108 static menu_t *mainmenu;
 109 static menu_t *curmenu;
 110 static menu_t *activemenu;
 111
 112 void glutInit(int *argc, char **argv)
 113 {
 114         ggi_graphtype gt;
 115         int i, k;
 116         char *str;
 117
 118         GGIGLUTDPRINT_CORE("glutInit() called\n");
 119
 120         #define REMOVE  {for (k=i;k<*argc-1;k++) argv[k]=argv[k+1];  \
 121                                 (*argc)--; i--; }
 122
 123         if (__glut_init) return;
 124
 125         str = getenv("GGIGLUT_DEBUG");
 126         if (str != NULL) {
 127                 _ggiglutDebugState = atoi(str);
 128                 fprintf(stderr, "Debugging=%d\n", _ggiglutDebugState);
 129                 GGIGLUTDPRINT_CORE("Debugging=%d\n", _ggiglutDebugState);
 130         }
 131
 132         str = getenv("GGIGLUT_DEBUGSYNC");
 133         if (str != NULL) {
 134                 _ggiglutDebugSync = 1;
 135         }
 136
 137         if (argc && argv)
 138         {
 139
 140                 for (i = 1; i < *argc; i++)
 141                 {
 142                         if (strcmp(argv[i], "-mouse") == 0)
 143                         {
 144                                 mouse_showcursor = GL_TRUE;
 145                                 REMOVE;
 146                         }
 147                         else
 148                         if (strcmp(argv[i], "-bpp") == 0 && (i + 1) < (*argc))
 149                         {
 150                                 switch(atoi(argv[i + 1]))
 151                                 {
 152                                         case 4: gt = GT_4BIT; break;
 153                                         case 8: gt = GT_8BIT; break;
 154                                         case 15: gt = GT_15BIT; break;
 155                                         case 16: gt = GT_16BIT; break;
 156                                         case 24: gt = GT_24BIT; break;
 157                                         case 32: gt = GT_32BIT; break;
 158                                         default:
 159                                         ggiPanic("\"%s\" bits per pixel?\n", argv[i+1]);
 160                                 }
 161                                 __glut_gt_rgb = __glut_gt_index = gt;
 162                                 REMOVE;
 163                                 REMOVE;
 164                         }
 165                         else
 166                         if (strcmp(argv[i], "-size") == 0 && (i + 2) < (*argc))
 167                         {
 168                                 __glut_width = atoi(argv[i + 1]);
 169                                 __glut_height = atoi(argv[i + 2]);
 170                                 REMOVE;
 171                                 REMOVE;
 172                                 REMOVE;
 173                         }
 174                 }
 175         }
 176
 177         if (ggiInit() < 0)
 178         {
 179                 ggiPanic("ggiInit() failed!\n");
 180         }
 181         __glut_init = GL_TRUE;
 182
 183 #undef REMOVE
 184 }
 185
 186 void glutInitWindowPosition(int x, int y)
 187 {
 188         GGIGLUTDPRINT_CORE("glutInitWindowPosition() called\n");
 189 }
 190
 191 void glutInitWindowSize(int x, int y)
 192 {
 193         GGIGLUTDPRINT_CORE("glutInitWindowsSize() called\n");
 194 }
 195
 196 void glutFullScreen(void)
 197 {
 198         GGIGLUTDPRINT_CORE("glutFullScreen() called\n");
 199 }
 200
 201 void glutInitDisplayMode(unsigned int mode)
 202 {
 203         GGIGLUTDPRINT_CORE("glutInitDisplayMode() called\n");
 204
 205         __glut_mode = mode;
 206 }
 207
 208 void glutInitDisplayString(const char *string)
 209 {
 210         GGIGLUTDPRINT_CORE("glutInitDisplayString(%s) called\n", string);
 211 }
 212
 213 int glutCreateWindow(const char *title)
 214 {
 215         ggi_graphtype gt;
 216         ggi_mode mode =
 217         {
 218                 1,
 219                 { GGI_AUTO, GGI_AUTO },
 220                 { GGI_AUTO, GGI_AUTO },
 221                 { 0, 0 },
 222                 GT_AUTO,
 223                 { GGI_AUTO, GGI_AUTO }
 224         };
 225         int frames;
 226         int rgb;
 227         int err;
 228
 229         GGIGLUTDPRINT_CORE("glutCreateWindow() called\n");
 230
 231         if (!__glut_init)
 232           glutInit(NULL, NULL);
 233
 234         GGIGLUTDPRINT("GGIGLUT: %s\n", title);
 235
 236         rgb = !(__glut_mode & GLUT_INDEX);
 237         frames = (__glut_mode & GLUT_DOUBLE) ? 2 : 1;
 238
 239         gt = (rgb) ? __glut_gt_rgb : __glut_gt_index;
 240
 241         __glut_ctx = GGIMesaCreateContext();
 242
 243         if (__glut_ctx == NULL)
 244           ggiPanic("Can't create mesa-context\n");
 245
 246         __glut_vis = ggiOpen(NULL);
 247         if (__glut_vis == NULL)
 248         {
 249           ggiPanic("ggiOpen() failed!\n");
 250           /* return GL_FALSE; */
 251         }
 252
 253         ggiSetFlags(__glut_vis, GGIFLAG_ASYNC);
 254
 255         ggiCheckMode(__glut_vis, &mode);
 256
 257         err = ggiSetMode(__glut_vis, &mode);
 258         if (err < 0)
 259         {
 260           ggiPanic("Can't set graphic mode!\n");
 261           /* return GL_FALSE; */
 262         }
 263
 264         ggiGetMode(__glut_vis, &mode);
 265
 266         if (GGIMesaSetVisual(__glut_ctx, __glut_vis, rgb, frames > 1) < 0)
 267         {
 268                 ggiPanic("GGIMesaSetVisual failed!\n");
 269         }
 270
 271         __glut_width = mode.visible.x;
 272         __glut_height = mode.visible.y;
 273
 274         mousex = mode.visible.x / 2;
 275         mousey = mode.visible.y / 2;
 276
 277         GGIMesaMakeCurrent(__glut_ctx);
 278
 279         if (__glut_reshape)
 280           __glut_reshape(__glut_width, __glut_height);
 281
 282         return GL_TRUE;
 283 }
 284
 285 void glutReshapeFunc(void (*func)(int, int))
 286 {
 287         GGIGLUTDPRINT_CORE("glutReshapeFunc() called\n");
 288
 289         __glut_reshape = func;
 290         if (__glut_vis && __glut_reshape)
 291           __glut_reshape(__glut_width, __glut_height);
 292 }
 293
 294 void glutKeyboardFunc(void (*keyboard)(unsigned char key, int x, int y))
 295 {
 296         GGIGLUTDPRINT_CORE("glutKeyBoardFunc() called\n");
 297
 298         __glut_keyboard = keyboard;
 299 }
 300
 301 int glutGetModifiers(void)
 302 {
 303         GGIGLUTDPRINT_CORE("glutGetModifiers() called\n");
 304
 305         return __glut_mod_keys;
 306 }
 307
 308 void glutEntryFunc(void (*func)(int state))
 309 {
 310         GGIGLUTDPRINT_CORE("glutEntryFunc() called\n");
 311 }
 312
 313 void glutVisibilitFunc(void (*func)(int state))
 314 {
 315         GGIGLUTDPRINT_CORE("glutVisibilityFunc() called\n");
 316 }
 317
 318 void glutTimerFunc(unsigned int millis, void (*func)(int value), int value)
 319 {
 320         GGIGLUTDPRINT_CORE("glutTimerFunc() called\n");
 321 }
 322
 323 void glutMenuStateFunc(void (*func)(int state))
 324 {
 325         GGIGLUTDPRINT_CORE("glutMenuStateFunc() called\n");
 326 }
 327
 328 int glutGet(GLenum type)
 329 {
 330         GGIGLUTDPRINT_CORE("glutGet() called\n");
 331
 332         switch(type)
 333         {
 334                 case GLUT_WINDOW_X:
 335                 return 0;
 336                 case GLUT_WINDOW_Y:
 337                 return 0;
 338                 case GLUT_WINDOW_WIDTH:
 339                 return __glut_width;
 340                 case GLUT_WINDOW_HEIGHT:
 341                 return __glut_height;
 342                 case GLUT_MENU_NUM_ITEMS:
 343                 if (curmenu)
 344                   return curmenu->num_entries;
 345                 else
 346                   return 0;
 347                 default:
 348                 GGIGLUTDPRINT("glutGet: unknown type %i\n", type);
 349         }
 350         return 0;
 351 }
 352
 353 void glutSpecialFunc(void (*special)(int key, int x, int y))
 354 {
 355         GGIGLUTDPRINT_CORE("glutSpecialFunc() called\n");
 356
 357         __glut_special=special;
 358 }
 359
 360 void glutDisplayFunc(void (*disp)(void))
 361 {
 362         GGIGLUTDPRINT_CORE("glutDisplayFunc() called\n");
 363         __glut_display=disp;
 364 }
 365
 366 void glutSetColor(int index, GLfloat red, GLfloat green, GLfloat blue)
 367 {
 368         ggi_color c;
 369         GLfloat max;
 370
 371         GGIGLUTDPRINT_CORE("glutSetColor() called\n");
 372
 373         if (red > 1.0) red = 1.0;
 374         if (red < 0.0) red = 0.0;
 375         if (green > 1.0) green = 1.0;
 376         if (green < 0.0) green = 0.0;
 377         if (blue > 1.0) blue = 1.0;
 378         if (blue < 0.0) blue = 0.0;
 379
 380         max = (float)((1 << GGI_COLOR_PRECISION) - 1);
 381
 382         c.r = (int)(max * red);
 383         c.g = (int)(max * green);
 384         c.b = (int)(max * blue);
 385         ggiSetPalette(__glut_vis, index, 1, &c);
 386 }
 387
 388 void glutPostRedisplay(void)
 389 {
 390         GGIGLUTDPRINT_CORE("glutPostRedisplay() called\n");
 391
 392         __glut_redisplay = GL_TRUE;
 393 }
 394
 395 void glutPostWindowRedisplay(int win)
 396 {
 397         GGIGLUTDPRINT_CORE("glutPostWindowRedisplay() called\n");
 398
 399         __glut_redisplay = GL_TRUE;
 400 }
 401
 402 void glutSwapBuffers(void)
 403 {
 404         GGIGLUTDPRINT_CORE("glutSwapBuffers() called\n");
 405
 406         GGIMesaSwapBuffers();
 407 }
 408
 409 void glutIdleFunc(void (*idle)(void))
 410 {
 411         GGIGLUTDPRINT_CORE("glutIdleFunc() called\n");
 412
 413         __glut_idle = idle;
 414 }
 415
 416 static void keyboard(ggi_event *ev)
 417 {
 418         int sym;
 419         int modifer = 0, key = 0;
 420
 421         GGIGLUTDPRINT_CORE("keyboard() called\n");
 422
 423         sym = ev->key.sym;
 424
 425         modifer = ev->key.modifiers;
 426         if (modifer == GII_KM_SHIFT)
 427           __glut_mod_keys |= GLUT_ACTIVE_SHIFT;
 428         if (modifer == GII_KM_CTRL)
 429           __glut_mod_keys |= GLUT_ACTIVE_CTRL;
 430         if (modifer == GII_KM_ALT)
 431           __glut_mod_keys |= GLUT_ACTIVE_ALT;
 432
 433         /* if (__glut_special && key) __glut_special(GII_KTYP(key),0,0); */
 434
 435         if (__glut_keyboard)
 436 //        __glut_keyboard(GII_UNICODE(sym), 0, 0);
 437           __glut_keyboard(sym, 0, 0);
 438 }
 439
 440 static void mouseabs(ggi_event *ev)
 441 {
 442         int oldx = mousex;
 443         int oldy = mousey;
 444
 445         mousex = ev->pmove.x;
 446         mousey = ev->pmove.y;
 447
 448         if (mousex < 0) mousex = 0;
 449         if (mousey < 0) mousey = 0;
 450         if (mousex >= __glut_width) mousex = __glut_width - 1;
 451         if (mousey >= __glut_height) mousey = __glut_height - 1;
 452
 453         if (mousex != oldx || mousey != oldy) mouse_moved = GL_TRUE;
 454 }
 455
 456 static void mouse(ggi_event *ev)
 457 {
 458         int oldx = mousex;
 459         int oldy = mousey;
 460
 461         GGIGLUTDPRINT_CORE("mouse() called\n");
 462
 463         mousex += ev->pmove.x >> 1;
 464         mousey += ev->pmove.y >> 1;
 465
 466         if (mousex < 0) mousex = 0;
 467         if (mousey < 0) mousey = 0;
 468         if (mousex >= __glut_width) mousex = __glut_width - 1;
 469         if (mousey >= __glut_height) mousey = __glut_height - 1;
 470
 471         if (mousex != oldx || mousey != oldy) mouse_moved = GL_TRUE;
 472
 473 }
 474
 475 static void showmenu(void);
 476 static int clickmenu(void);
 477 static void updatemouse(void);
 478 static void drawmouse(void);
 479
 480 static void mousemove(void)
 481 {
 482         GGIGLUTDPRINT_CORE("mousemove() called\n");
 483
 484         if (mouse_moved) {
 485                 if (__glut_motion && mouse_down) {
 486                         __glut_motion(mousex,mousey);
 487                 }
 488
 489                 if (__glut_passive_motion && (!mouse_down)) {
 490                         __glut_passive_motion(mousex,mousey);
 491                 }
 492
 493                 if (__glut_menuactive) updatemouse();
 494                 mouse_moved=GL_FALSE;
 495         }
 496 }
 497
 498 static void button(ggi_event *ev)
 499 {
 500         int i;
 501         int btn[4] = {
 502                 0,
 503                 GLUT_LEFT_BUTTON,
 504                 GLUT_RIGHT_BUTTON,
 505                 GLUT_MIDDLE_BUTTON
 506         };
 507
 508         GGIGLUTDPRINT_CORE("button() called\n");
 509
 510         mousemove();
 511
 512         if (ev->pbutton.button <= 3) { /* GGI can have >3 buttons ! */
 513                 char state = ev->any.type == evPtrButtonPress ? GLUT_DOWN : GLUT_UP;
 514                 if (__glut_menuactive) {
 515                         if (state == GLUT_UP && clickmenu()) {
 516                                 glutPostRedisplay();
 517                                 __glut_menuactive = GL_FALSE;
 518                         }
 519                 } else
 520                   if (btn[ev->pbutton.button] == __glut_menubutton) {
 521                           __glut_menuactive = GL_TRUE;
 522                           activemenu = mainmenu;
 523                           showmenu();
 524                   } else
 525                   if (__glut_mouse) {
 526                           __glut_mouse(btn[ev->pbutton.button], state, mousex, mousey);
 527                   }
 528                 if (state == GLUT_DOWN) {
 529                         mouse_down |= (1 << (ev->pbutton.button - 1));
 530                 }
 531                 else mouse_down &= ~( 1 << (ev->pbutton.button - 1));
 532         }
 533 }
 534
 535 void glutMainLoop(void)
 536 {
 537         ggi_event ev;
 538         ggi_event_mask evmask = (emKeyPress | emKeyRepeat | emPtrMove | emPtrButton);
 539
 540         GGIGLUTDPRINT_CORE("glutMainLoop() called\n");
 541
 542         ggiSetEventMask(__glut_vis, evmask);
 543
 544         glutPostRedisplay();
 545
 546         if (__glut_visibility)
 547           __glut_visibility(GLUT_VISIBLE);
 548
 549         while (1)
 550         {
 551                 if (!__glut_menuactive)
 552                 {
 553                         if (__glut_idle)
 554                           __glut_idle();
 555                         if (__glut_redisplay && __glut_display)
 556                         {
 557                                 __glut_redisplay = GL_FALSE;
 558                                 __glut_display();
 559                         }
 560                 }
 561
 562                 while (1)
 563                 {
 564                         struct timeval t = {0, 0};
 565
 566                         if (ggiEventPoll(__glut_vis, evmask, &t) == 0)
 567                           break;
 568
 569                         ggiEventRead(__glut_vis, &ev, evmask);
 570
 571                         switch (ev.any.type)
 572                         {
 573                                 case evKeyPress:
 574                                 case evKeyRepeat:
 575                                 keyboard(&ev);
 576                                 break;
 577                                 case evPtrAbsolute:
 578                                 mouseabs(&ev);
 579                                 break;
 580                                 case evPtrRelative:
 581                                 mouse(&ev);
 582                                 break;
 583                                 case evPtrButtonPress:
 584                                 case evPtrButtonRelease:
 585                                 button(&ev);
 586                                 break;
 587                         }
 588                 }
 589                 mousemove();
 590         }
 591 }
 592
 593 static void showmenu()
 594 {
 595         int y,i;
 596         ggi_color col = { 0xffff, 0xffff, 0xffff };
 597
 598         GGIGLUTDPRINT_CORE("showmenu() called\n");
 599
 600         ggiSetGCForeground(__glut_vis,ggiMapColor(__glut_vis,&col));
 601         ggiSetOrigin(__glut_vis,0,0);
 602
 603         for (y = i = 0; i < activemenu->num_entries; i++, y += 8) {
 604                 ggiPuts(__glut_vis, 0, y, activemenu->label[i]);
 605         }
 606         drawmouse();
 607 }
 608
 609 static int clickmenu(void)
 610 {
 611         int i;
 612         int w, h;
 613
 614         GGIGLUTDPRINT_CORE("clickmenu() called\n");
 615
 616         i = mousey / 8;
 617
 618         if (i >= activemenu->num_entries) return GL_TRUE;
 619         if (mousex >= 8 * strlen(activemenu->label[i])) return GL_TRUE;
 620
 621         if (activemenu->submenu[i]) {
 622                 ggi_color col={0,0,0};
 623                 ggiSetGCForeground(__glut_vis,ggiMapColor(__glut_vis,&col));
 624                 h=activemenu->num_entries*8;
 625                 w=activemenu->max_strlen*8;
 626                 ggiDrawBox(__glut_vis,0,0,w,h);
 627                 activemenu=activemenu->submenu[i];
 628                 showmenu();
 629                 return GL_FALSE;
 630         }
 631         curmenu=activemenu;
 632         activemenu->func(activemenu->value[i]);
 633         return GL_TRUE;
 634 }
 635
 636 static int oldx=-1;
 637 static int oldy=-1;
 638 static char buffer[16*16*4];
 639
 640 static void updatemouse()
 641 {
 642         GGIGLUTDPRINT_CORE("updatemouse() called\n");
 643
 644         ggiPutBox(__glut_vis,oldx,oldy,16,16,buffer);
 645         drawmouse();
 646 }
 647
 648 static void drawmouse()
 649 {
 650         int x,y;
 651
 652         GGIGLUTDPRINT_CORE("drawmouse() called\n");
 653
 654         x=mousex-8;
 655         if (x<0) x=0;
 656         y=mousey-8;
 657         if (y<0) y=0;
 658         ggiGetBox(__glut_vis,x,y,16,16,buffer);
 659         ggiDrawLine(__glut_vis,mousex-2,mousey,mousex+2,mousey);
 660         ggiDrawLine(__glut_vis,mousex,mousey-2,mousex,mousey+2);
 661         oldx=x;
 662         oldy=y;
 663 }
 664
 665 int glutCreateMenu(void(*func)(int))
 666 {
 667         menu_t *m;
 668
 669         GGIGLUTDPRINT_CORE("glutCreateMenu() called\n");
 670
 671         m=malloc(sizeof(menu_t));
 672         memset(m,0,sizeof(menu_t));
 673         curmenu=m;
 674         curmenu->func=func;
 675         return (int)curmenu;
 676 }
 677
 678 static void addEntry(const char *label,int value,menu_t *submenu)
 679 {
 680         int i=curmenu->num_entries;
 681
 682         GGIGLUTDPRINT_CORE("addEntry() called\n");
 683
 684         /* printf("%i %i %s %p\n",i,value,label,submenu); */
 685         if (i<MAX_ENTRIES) {
 686                 curmenu->label[i]=strdup(label);
 687                 curmenu->value[i]=value;
 688                 curmenu->submenu[i]=submenu;
 689
 690                 if (strlen(label)>curmenu->max_strlen)
 691                   curmenu->max_strlen=strlen(label);
 692                 curmenu->num_entries++;
 693         }
 694 }
 695
 696 void glutAddMenuEntry(const char *label,int value)
 697 {
 698         GGIGLUTDPRINT_CORE("glutAddMenuEntry() called\n");
 699
 700         addEntry(label,value,NULL);
 701 }
 702
 703 void glutAddSubMenu(const char *label,int submenu)
 704 {
 705         char text[100];
 706
 707         GGIGLUTDPRINT_CORE("glutAddSubMenu() called\n");
 708
 709         if (!curmenu) return;
 710         strncpy(text,label,98);
 711         text[98]=0;
 712         text[strlen(text)+1]=0;
 713         text[strlen(text)]='>';
 714
 715         addEntry(text,0,(menu_t *) submenu);
 716 }
 717
 718 void glutAttachMenu(int button)
 719 {
 720         GGIGLUTDPRINT_CORE("glutAttachMenu() called\n");
 721
 722         mainmenu=curmenu;
 723         __glut_menubutton=button;
 724 }
 725
 726 void glutDetachMenu(int button)
 727 {
 728         GGIGLUTDPRINT_CORE("glutDetachMenu() called\n");
 729 }
 730
 731 void glutVisibilityFunc(void (*func)(int state))
 732 {
 733         GGIGLUTDPRINT_CORE("glutVisibilityFunc() called\n");
 734
 735         __glut_visibility=func;
 736 }
 737
 738 void glutMouseFunc(void (*mouse)(int, int, int, int))
 739 {
 740         GGIGLUTDPRINT_CORE("glutMouseFunc() called\n");
 741
 742         __glut_mouse=mouse;
 743 }
 744
 745 void glutMotionFunc(void (*motion)(int,int))
 746 {
 747         GGIGLUTDPRINT_CORE("glutMotionFunc() called\n");
 748
 749         __glut_motion=motion;
 750 }
 751
 752 void glutPassiveMotionFunc(void (*motion)(int,int))
 753 {
 754         GGIGLUTDPRINT_CORE("glutPassiveMotionFunc() called\n");
 755
 756         __glut_passive_motion=motion;
 757 }
 758
 759 void glutSetWindowTitle(const char *title)
 760 {
 761         GGIGLUTDPRINT_CORE("glutSetWindowTitle() called\n");
 762 }
 763
 764 void glutSetIconTitle(const char *title)
 765 {
 766         GGIGLUTDPRINT_CORE("glutSetIconTitle() called\n");
 767 }
 768
 769 void glutChangeToMenuEntry(int item,const char *label,int value)
 770 {
 771         GGIGLUTDPRINT_CORE("glutChangeToMenuEntry() called\n");
 772
 773         if (item>0 && item<=curmenu->num_entries) {
 774                 item--;
 775                 free(curmenu->label[item]);
 776                 curmenu->label[item]=strdup(label);
 777                 curmenu->value[item]=value;
 778                 curmenu->submenu[item]=NULL;
 779         }
 780 }
 781 void glutChangeToSubMenu(int item,const char *label,int submenu)
 782 {
 783         GGIGLUTDPRINT_CORE("glutChengeToSubMenu() called\n");
 784
 785         if (item>0 && item<=curmenu->num_entries) {
 786                 item--;
 787                 free(curmenu->label[item]);
 788                 curmenu->label[item]=strdup(label);
 789                 curmenu->value[item]=0;
 790                 curmenu->submenu[item]=(menu_t *)submenu;
 791         }
 792 }
 793
 794 void glutDestroyMenu(int menu)
 795 {
 796         menu_t *m=(menu_t *)menu;
 797         int i;
 798
 799         GGIGLUTDPRINT_CORE("glutDestroyMenu() called\n");
 800
 801         for (i=0;i<m->num_entries;i++) {
 802                 free(m->label[i]);
 803         }
 804         free(m);
 805 }
 806
 807 int glutCreateSubWindow(int win,int x,int y,int w,int h)
 808 {
 809         GGIGLUTDPRINT_CORE("glutCreateSubWindow() called\n");
 810
 811         return 0;
 812 }
 813
 814 void glutDestroyWindow(int win)
 815 {
 816         GGIGLUTDPRINT_CORE("glutDestroyWindow() called\n");
 817 }
 818
 819 int glutGetWindow(void)
 820 {
 821         GGIGLUTDPRINT_CORE("glutGetWindow() called\n");
 822
 823         return 0;
 824 }
 825
 826 void glutSetWindow(int win)
 827 {
 828         GGIGLUTDPRINT_CORE("glutSetWindow() called\n");
 829 }
 830
 831 void glutPositionWindow(int x,int y)
 832 {
 833         GGIGLUTDPRINT_CORE("glutPositionWindow() called\n");
 834 }
 835
 836 void glutReshapeWindow(int x,int y)
 837 {
 838         GGIGLUTDPRINT_CORE("glutReshapeWindow() called\n");
 839 }
 840
 841 void glutPushWindow(void)
 842 {
 843         GGIGLUTDPRINT_CORE("glutPushWindow() called\n");
 844 }
 845
 846 void glutPopWindow(void)
 847 {
 848         GGIGLUTDPRINT_CORE("glutPopWindow() called\n");
 849 }
 850
 851 void glutIconifyWindow(void)
 852 {
 853         GGIGLUTDPRINT_CORE("glutIconifyWindow() called\n");
 854 }
 855
 856 void glutShowWindow()
 857 {
 858         GGIGLUTDPRINT_CORE("glutShowWindow() called\n");
 859 }
 860
 861 void glutHideWindow()
 862 {
 863         GGIGLUTDPRINT_CORE("glutHideWindow() called\n");
 864 }
 865
 866 void glutSetCursor(int cursor)
 867 {
 868         GGIGLUTDPRINT_CORE("glutSetCursor() called\n");
 869 }
 870
 871 void glutWarpPointer(int x,int y)
 872 {
 873         GGIGLUTDPRINT_CORE("glutWarpPointer() called\n");
 874 }
 875
 876 void glutEstablishOverlay(void)
 877 {
 878         GGIGLUTDPRINT_CORE("glutEstablishOverlay() called\n");
 879 }
 880
 881 void glutRemoveOverlay(void)
 882 {
 883         GGIGLUTDPRINT_CORE("glutRemoveOverlay() called\n");
 884 }
 885
 886 void glutUseLayer(GLenum layer)
 887 {
 888         GGIGLUTDPRINT_CORE("glutUseLayer() called\n");
 889 }
 890
 891 int glutLayerGet(GLenum type)
 892 {
 893         GGIGLUTDPRINT_CORE("glutLayerGet() called\n");
 894         return 0;
 895 }
 896
 897 void glutPostOverlayRedisplay(void)
 898 {
 899         GGIGLUTDPRINT_CORE("glutPostOverlayRedisplay() called\n");
 900 }
 901
 902 void glutPostWindowOverlayRedisplay(int w)
 903 {
 904         GGIGLUTDPRINT_CORE("glutPostWindowOverlayRedisplay() called\n");
 905 }
 906
 907 void glutShowOverlay(void)
 908 {
 909         GGIGLUTDPRINT_CORE("glutShowOverlay() called\n");
 910 }
 911
 912 void glutHideOverlay(void)
 913 {
 914         GGIGLUTDPRINT_CORE("glutHideOverlay() called\n");
 915 }
 916
 917 int glutGetMenu(void)
 918 {
 919         GGIGLUTDPRINT_CORE("glutGetMenu() called\n");
 920         return 0;
 921 }
 922
 923 void glutSetMenu(int menu)
 924 {
 925         GGIGLUTDPRINT_CORE("glutSetMenu() called\n");
 926 }
 927
 928 void glutRemoveMenuItem(int item)
 929 {
 930         GGIGLUTDPRINT_CORE("glutRemoveMenuItem() called\n");
 931 }
 932
 933 void glutSpaceBallMotionFunc(void (*func)(int key,int x,int y))
 934 {
 935         GGIGLUTDPRINT_CORE("glutSpaceBallMotionFunc() called\n");
 936 }
 937
 938 void glutSpaceBallRotateFunc(void (*func)(int x,int y,int z))
 939 {
 940         GGIGLUTDPRINT_CORE("glutSpaceBallRotateFunc() called\n");
 941 }
 942
 943 void glutSpaceBallButtonFunc(void (*func)(int button,int state))
 944 {
 945         GGIGLUTDPRINT_CORE("glutSpaceBallButtonFunc() called\n");
 946 }
 947
 948 void glutCopyColormap(int win)
 949 {
 950         GGIGLUTDPRINT_CORE("glutCopyColormap() called\n");
 951 }
 952
 953 int glutDeviceGet(GLenum param)
 954 {
 955         GGIGLUTDPRINT_CORE("glutDeviceGet() called\n");
 956
 957         return 0;
 958 }