sdl.c

   1 /*
   2  * QEMU SDL display driver
   3  *
   4  * Copyright (c) 2003 Fabrice Bellard
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24 #include "qemu-common.h"
  25 #include "console.h"
  26 #include "sysemu.h"
  27
  28 #include <SDL.h>
  29
  30 #ifndef _WIN32
  31 #include <signal.h>
  32 #endif
  33
  34 static SDL_Surface *screen;
  35 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
  36 static int last_vm_running;
  37 static int gui_saved_grab;
  38 static int gui_fullscreen;
  39 static int gui_noframe;
  40 static int gui_key_modifier_pressed;
  41 static int gui_keysym;
  42 static int gui_fullscreen_initial_grab;
  43 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
  44 static uint8_t modifiers_state[256];
  45 static int width, height;
  46 static SDL_Cursor *sdl_cursor_normal;
  47 static SDL_Cursor *sdl_cursor_hidden;
  48 static int absolute_enabled = 0;
  49 static int guest_cursor = 0;
  50 static int guest_x, guest_y;
  51 static SDL_Cursor *guest_sprite = 0;
  52
  53 static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
  54 {
  55     //    printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
  56     SDL_UpdateRect(screen, x, y, w, h);
  57 }
  58
  59 static void sdl_resize(DisplayState *ds, int w, int h)
  60 {
  61     int flags;
  62
  63     //    printf("resizing to %d %d\n", w, h);
  64
  65     flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
  66     if (gui_fullscreen)
  67         flags |= SDL_FULLSCREEN;
  68     if (gui_noframe)
  69         flags |= SDL_NOFRAME;
  70
  71     width = w;
  72     height = h;
  73
  74  again:
  75     screen = SDL_SetVideoMode(w, h, 0, flags);
  76     if (!screen) {
  77         fprintf(stderr, "Could not open SDL display\n");
  78         exit(1);
  79     }
  80     if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
  81         flags &= ~SDL_HWSURFACE;
  82         goto again;
  83     }
  84
  85     if (!screen->pixels) {
  86         fprintf(stderr, "Could not open SDL display\n");
  87         exit(1);
  88     }
  89     ds->data = screen->pixels;
  90     ds->linesize = screen->pitch;
  91     ds->depth = screen->format->BitsPerPixel;
  92     /* SDL BitsPerPixel never indicates any values other than
  93        multiples of 8, so we need to check for strange depths. */
  94     if (ds->depth == 16) {
  95         uint32_t mask;
  96
  97         mask = screen->format->Rmask;
  98         mask |= screen->format->Gmask;
  99         mask |= screen->format->Bmask;
 100         if ((mask & 0x8000) == 0)
 101             ds->depth = 15;
 102     }
 103     ds->width = w;
 104     ds->height = h;
 105 }
 106
 107 /* generic keyboard conversion */
 108
 109 #include "sdl_keysym.h"
 110 #include "keymaps.c"
 111
 112 static kbd_layout_t *kbd_layout = NULL;
 113
 114 static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
 115 {
 116     int keysym;
 117     /* workaround for X11+SDL bug with AltGR */
 118     keysym = ev->keysym.sym;
 119     if (keysym == 0 && ev->keysym.scancode == 113)
 120         keysym = SDLK_MODE;
 121     /* For Japanese key '\' and '|' */
 122     if (keysym == 92 && ev->keysym.scancode == 133) {
 123         keysym = 0xa5;
 124     }
 125     return keysym2scancode(kbd_layout, keysym);
 126 }
 127
 128 /* specific keyboard conversions from scan codes */
 129
 130 #if defined(_WIN32)
 131
 132 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
 133 {
 134     return ev->keysym.scancode;
 135 }
 136
 137 #else
 138
 139 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
 140 {
 141     int keycode;
 142
 143     keycode = ev->keysym.scancode;
 144
 145     if (keycode < 9) {
 146         keycode = 0;
 147     } else if (keycode < 97) {
 148         keycode -= 8; /* just an offset */
 149     } else if (keycode < 212) {
 150         /* use conversion table */
 151         keycode = _translate_keycode(keycode - 97);
 152     } else {
 153         keycode = 0;
 154     }
 155     return keycode;
 156 }
 157
 158 #endif
 159
 160 static void reset_keys(void)
 161 {
 162     int i;
 163     for(i = 0; i < 256; i++) {
 164         if (modifiers_state[i]) {
 165             if (i & 0x80)
 166                 kbd_put_keycode(0xe0);
 167             kbd_put_keycode(i | 0x80);
 168             modifiers_state[i] = 0;
 169         }
 170     }
 171 }
 172
 173 static void sdl_process_key(SDL_KeyboardEvent *ev)
 174 {
 175     int keycode, v;
 176
 177     if (ev->keysym.sym == SDLK_PAUSE) {
 178         /* specific case */
 179         v = 0;
 180         if (ev->type == SDL_KEYUP)
 181             v |= 0x80;
 182         kbd_put_keycode(0xe1);
 183         kbd_put_keycode(0x1d | v);
 184         kbd_put_keycode(0x45 | v);
 185         return;
 186     }
 187
 188     if (kbd_layout) {
 189         keycode = sdl_keyevent_to_keycode_generic(ev);
 190     } else {
 191         keycode = sdl_keyevent_to_keycode(ev);
 192     }
 193
 194     switch(keycode) {
 195     case 0x00:
 196         /* sent when leaving window: reset the modifiers state */
 197         reset_keys();
 198         return;
 199     case 0x2a:                          /* Left Shift */
 200     case 0x36:                          /* Right Shift */
 201     case 0x1d:                          /* Left CTRL */
 202     case 0x9d:                          /* Right CTRL */
 203     case 0x38:                          /* Left ALT */
 204     case 0xb8:                         /* Right ALT */
 205         if (ev->type == SDL_KEYUP)
 206             modifiers_state[keycode] = 0;
 207         else
 208             modifiers_state[keycode] = 1;
 209         break;
 210     case 0x45: /* num lock */
 211     case 0x3a: /* caps lock */
 212         /* SDL does not send the key up event, so we generate it */
 213         kbd_put_keycode(keycode);
 214         kbd_put_keycode(keycode | 0x80);
 215         return;
 216     }
 217
 218     /* now send the key code */
 219     if (keycode & 0x80)
 220         kbd_put_keycode(0xe0);
 221     if (ev->type == SDL_KEYUP)
 222         kbd_put_keycode(keycode | 0x80);
 223     else
 224         kbd_put_keycode(keycode & 0x7f);
 225 }
 226
 227 static void sdl_update_caption(void)
 228 {
 229     char buf[1024];
 230     const char *status = "";
 231
 232     if (!vm_running)
 233         status = " [Stopped]";
 234     else if (gui_grab) {
 235         if (!alt_grab)
 236             status = " - Press Ctrl-Alt to exit grab";
 237         else
 238             status = " - Press Ctrl-Alt-Shift to exit grab";
 239     }
 240
 241     if (qemu_name)
 242         snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status);
 243     else
 244         snprintf(buf, sizeof(buf), "QEMU%s", status);
 245
 246     SDL_WM_SetCaption(buf, "QEMU");
 247 }
 248
 249 static void sdl_hide_cursor(void)
 250 {
 251     if (!cursor_hide)
 252         return;
 253
 254     if (kbd_mouse_is_absolute()) {
 255         SDL_ShowCursor(1);
 256         SDL_SetCursor(sdl_cursor_hidden);
 257     } else {
 258         SDL_ShowCursor(0);
 259     }
 260 }
 261
 262 static void sdl_show_cursor(void)
 263 {
 264     if (!cursor_hide)
 265         return;
 266
 267     if (!kbd_mouse_is_absolute()) {
 268         SDL_ShowCursor(1);
 269         if (guest_cursor &&
 270                 (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
 271             SDL_SetCursor(guest_sprite);
 272         else
 273             SDL_SetCursor(sdl_cursor_normal);
 274     }
 275 }
 276
 277 static void sdl_grab_start(void)
 278 {
 279     if (guest_cursor) {
 280         SDL_SetCursor(guest_sprite);
 281         SDL_WarpMouse(guest_x, guest_y);
 282     } else
 283         sdl_hide_cursor();
 284
 285     if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) {
 286         gui_grab = 1;
 287         sdl_update_caption();
 288     } else
 289         sdl_show_cursor();
 290 }
 291
 292 static void sdl_grab_end(void)
 293 {
 294     SDL_WM_GrabInput(SDL_GRAB_OFF);
 295     gui_grab = 0;
 296     sdl_show_cursor();
 297     sdl_update_caption();
 298 }
 299
 300 static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)
 301 {
 302     int buttons;
 303     buttons = 0;
 304     if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
 305         buttons |= MOUSE_EVENT_LBUTTON;
 306     if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
 307         buttons |= MOUSE_EVENT_RBUTTON;
 308     if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
 309         buttons |= MOUSE_EVENT_MBUTTON;
 310
 311     if (kbd_mouse_is_absolute()) {
 312         if (!absolute_enabled) {
 313             sdl_hide_cursor();
 314             if (gui_grab) {
 315                 sdl_grab_end();
 316             }
 317             absolute_enabled = 1;
 318         }
 319
 320        dx = x * 0x7FFF / (width - 1);
 321        dy = y * 0x7FFF / (height - 1);
 322     } else if (absolute_enabled) {
 323         sdl_show_cursor();
 324         absolute_enabled = 0;
 325     } else if (guest_cursor) {
 326         x -= guest_x;
 327         y -= guest_y;
 328         guest_x += x;
 329         guest_y += y;
 330         dx = x;
 331         dy = y;
 332     }
 333
 334     kbd_mouse_event(dx, dy, dz, buttons);
 335 }
 336
 337 static void toggle_full_screen(DisplayState *ds)
 338 {
 339     gui_fullscreen = !gui_fullscreen;
 340     sdl_resize(ds, screen->w, screen->h);
 341     if (gui_fullscreen) {
 342         gui_saved_grab = gui_grab;
 343         sdl_grab_start();
 344     } else {
 345         if (!gui_saved_grab)
 346             sdl_grab_end();
 347     }
 348     vga_hw_invalidate();
 349     vga_hw_update();
 350 }
 351
 352 static void sdl_refresh(DisplayState *ds)
 353 {
 354     SDL_Event ev1, *ev = &ev1;
 355     int mod_state;
 356     int buttonstate = SDL_GetMouseState(NULL, NULL);
 357
 358     if (last_vm_running != vm_running) {
 359         last_vm_running = vm_running;
 360         sdl_update_caption();
 361     }
 362
 363     vga_hw_update();
 364     SDL_EnableUNICODE(!is_graphic_console());
 365
 366     while (SDL_PollEvent(ev)) {
 367         switch (ev->type) {
 368         case SDL_VIDEOEXPOSE:
 369             sdl_update(ds, 0, 0, screen->w, screen->h);
 370             break;
 371         case SDL_KEYDOWN:
 372         case SDL_KEYUP:
 373             if (ev->type == SDL_KEYDOWN) {
 374                 if (!alt_grab) {
 375                     mod_state = (SDL_GetModState() & gui_grab_code) ==
 376                                 gui_grab_code;
 377                 } else {
 378                     mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
 379                                 (gui_grab_code | KMOD_LSHIFT);
 380                 }
 381                 gui_key_modifier_pressed = mod_state;
 382                 if (gui_key_modifier_pressed) {
 383                     int keycode;
 384                     keycode = sdl_keyevent_to_keycode(&ev->key);
 385                     switch(keycode) {
 386                     case 0x21: /* 'f' key on US keyboard */
 387                         toggle_full_screen(ds);
 388                         gui_keysym = 1;
 389                         break;
 390                     case 0x02 ... 0x0a: /* '1' to '9' keys */
 391                         /* Reset the modifiers sent to the current console */
 392                         reset_keys();
 393                         console_select(keycode - 0x02);
 394                         if (!is_graphic_console()) {
 395                             /* display grab if going to a text console */
 396                             if (gui_grab)
 397                                 sdl_grab_end();
 398                         }
 399                         gui_keysym = 1;
 400                         break;
 401                     default:
 402                         break;
 403                     }
 404                 } else if (!is_graphic_console()) {
 405                     int keysym;
 406                     keysym = 0;
 407                     if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
 408                         switch(ev->key.keysym.sym) {
 409                         case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
 410                         case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
 411                         case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
 412                         case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
 413                         case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
 414                         case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
 415                         case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
 416                         case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
 417                         default: break;
 418                         }
 419                     } else {
 420                         switch(ev->key.keysym.sym) {
 421                         case SDLK_UP: keysym = QEMU_KEY_UP; break;
 422                         case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
 423                         case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
 424                         case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
 425                         case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
 426                         case SDLK_END: keysym = QEMU_KEY_END; break;
 427                         case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
 428                         case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
 429                         case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;
 430                         case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
 431                         default: break;
 432                         }
 433                     }
 434                     if (keysym) {
 435                         kbd_put_keysym(keysym);
 436                     } else if (ev->key.keysym.unicode != 0) {
 437                         kbd_put_keysym(ev->key.keysym.unicode);
 438                     }
 439                 }
 440             } else if (ev->type == SDL_KEYUP) {
 441                 if (!alt_grab) {
 442                     mod_state = (ev->key.keysym.mod & gui_grab_code);
 443                 } else {
 444                     mod_state = (ev->key.keysym.mod &
 445                                  (gui_grab_code | KMOD_LSHIFT));
 446                 }
 447                 if (!mod_state) {
 448                     if (gui_key_modifier_pressed) {
 449                         gui_key_modifier_pressed = 0;
 450                         if (gui_keysym == 0) {
 451                             /* exit/enter grab if pressing Ctrl-Alt */
 452                             if (!gui_grab) {
 453                                 /* if the application is not active,
 454                                    do not try to enter grab state. It
 455                                    prevents
 456                                    'SDL_WM_GrabInput(SDL_GRAB_ON)'
 457                                    from blocking all the application
 458                                    (SDL bug). */
 459                                 if (SDL_GetAppState() & SDL_APPACTIVE)
 460                                     sdl_grab_start();
 461                             } else {
 462                                 sdl_grab_end();
 463                             }
 464                             /* SDL does not send back all the
 465                                modifiers key, so we must correct it */
 466                             reset_keys();
 467                             break;
 468                         }
 469                         gui_keysym = 0;
 470                     }
 471                 }
 472             }
 473             if (is_graphic_console() && !gui_keysym)
 474                 sdl_process_key(&ev->key);
 475             break;
 476         case SDL_QUIT:
 477             if (!no_quit)
 478                 qemu_system_shutdown_request();
 479             break;
 480         case SDL_MOUSEMOTION:
 481             if (gui_grab || kbd_mouse_is_absolute() ||
 482                 absolute_enabled) {
 483                 sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
 484                        ev->motion.x, ev->motion.y, ev->motion.state);
 485             }
 486             break;
 487         case SDL_MOUSEBUTTONDOWN:
 488         case SDL_MOUSEBUTTONUP:
 489             {
 490                 SDL_MouseButtonEvent *bev = &ev->button;
 491                 if (!gui_grab && !kbd_mouse_is_absolute()) {
 492                     if (ev->type == SDL_MOUSEBUTTONDOWN &&
 493                         (bev->button == SDL_BUTTON_LEFT)) {
 494                         /* start grabbing all events */
 495                         sdl_grab_start();
 496                     }
 497                 } else {
 498                     int dz;
 499                     dz = 0;
 500                     if (ev->type == SDL_MOUSEBUTTONDOWN) {
 501                         buttonstate |= SDL_BUTTON(bev->button);
 502                     } else {
 503                         buttonstate &= ~SDL_BUTTON(bev->button);
 504                     }
 505 #ifdef SDL_BUTTON_WHEELUP
 506                     if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
 507                         dz = -1;
 508                     } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
 509                         dz = 1;
 510                     }
 511 #endif
 512                     sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
 513                 }
 514             }
 515             break;
 516         case SDL_ACTIVEEVENT:
 517             if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
 518                 !ev->active.gain && !gui_fullscreen_initial_grab) {
 519                 sdl_grab_end();
 520             }
 521             if (ev->active.state & SDL_APPACTIVE) {
 522                 if (ev->active.gain) {
 523                     /* Back to default interval */
 524                     ds->gui_timer_interval = 0;
 525                     ds->idle = 0;
 526                 } else {
 527                     /* Sleeping interval */
 528                     ds->gui_timer_interval = 500;
 529                     ds->idle = 1;
 530                 }
 531             }
 532             break;
 533         default:
 534             break;
 535         }
 536     }
 537 }
 538
 539 static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)
 540 {
 541     SDL_Rect dst = { x, y, w, h };
 542     SDL_FillRect(screen, &dst, c);
 543 }
 544
 545 static void sdl_mouse_warp(int x, int y, int on)
 546 {
 547     if (on) {
 548         if (!guest_cursor)
 549             sdl_show_cursor();
 550         if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
 551             SDL_SetCursor(guest_sprite);
 552             SDL_WarpMouse(x, y);
 553         }
 554     } else if (gui_grab)
 555         sdl_hide_cursor();
 556     guest_cursor = on;
 557     guest_x = x, guest_y = y;
 558 }
 559
 560 static void sdl_mouse_define(int width, int height, int bpp,
 561                              int hot_x, int hot_y,
 562                              uint8_t *image, uint8_t *mask)
 563 {
 564     uint8_t sprite[256], *line;
 565     int x, y, dst, bypl, src = 0;
 566     if (guest_sprite)
 567         SDL_FreeCursor(guest_sprite);
 568
 569     memset(sprite, 0, 256);
 570     bypl = ((width * bpp + 31) >> 5) << 2;
 571     for (y = 0, dst = 0; y < height; y ++, image += bypl) {
 572         line = image;
 573         for (x = 0; x < width; x ++, dst ++) {
 574             switch (bpp) {
 575             case 24:
 576                 src = *(line ++); src |= *(line ++); src |= *(line ++);
 577                 break;
 578             case 16:
 579             case 15:
 580                 src = *(line ++); src |= *(line ++);
 581                 break;
 582             case 8:
 583                 src = *(line ++);
 584                 break;
 585             case 4:
 586                 src = 0xf & (line[x >> 1] >> ((x & 1)) << 2);
 587                 break;
 588             case 2:
 589                 src = 3 & (line[x >> 2] >> ((x & 3)) << 1);
 590                 break;
 591             case 1:
 592                 src = 1 & (line[x >> 3] >> (x & 7));
 593                 break;
 594             }
 595             if (!src)
 596                 sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3];
 597         }
 598     }
 599     guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y);
 600
 601     if (guest_cursor &&
 602             (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
 603         SDL_SetCursor(guest_sprite);
 604 }
 605
 606 static void sdl_cleanup(void)
 607 {
 608     if (guest_sprite)
 609         SDL_FreeCursor(guest_sprite);
 610     SDL_Quit();
 611 }
 612
 613 void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
 614 {
 615     int flags;
 616     uint8_t data = 0;
 617
 618 #if defined(__APPLE__)
 619     /* always use generic keymaps */
 620     if (!keyboard_layout)
 621         keyboard_layout = "en-us";
 622 #endif
 623     if(keyboard_layout) {
 624         kbd_layout = init_keyboard_layout(keyboard_layout);
 625         if (!kbd_layout)
 626             exit(1);
 627     }
 628
 629     if (no_frame)
 630         gui_noframe = 1;
 631
 632     flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
 633     if (SDL_Init (flags)) {
 634         fprintf(stderr, "Could not initialize SDL - exiting\n");
 635         exit(1);
 636     }
 637
 638     ds->dpy_update = sdl_update;
 639     ds->dpy_resize = sdl_resize;
 640     ds->dpy_refresh = sdl_refresh;
 641     ds->dpy_fill = sdl_fill;
 642     ds->mouse_set = sdl_mouse_warp;
 643     ds->cursor_define = sdl_mouse_define;
 644
 645     sdl_resize(ds, 640, 400);
 646     sdl_update_caption();
 647     SDL_EnableKeyRepeat(250, 50);
 648     gui_grab = 0;
 649
 650     sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
 651     sdl_cursor_normal = SDL_GetCursor();
 652
 653     atexit(sdl_cleanup);
 654     if (full_screen) {
 655         gui_fullscreen = 1;
 656         gui_fullscreen_initial_grab = 1;
 657         sdl_grab_start();
 658     }
 659 }