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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.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * 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
#include "x_keymap.h"
28

    
29
#include <SDL.h>
30
#include <SDL/SDL_syswm.h>
31

    
32
#ifndef _WIN32
33
#include <signal.h>
34
#endif
35

    
36
static DisplayChangeListener *dcl;
37
static SDL_Surface *real_screen;
38
static SDL_Surface *guest_screen = NULL;
39
static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
40
static int last_vm_running;
41
static int gui_saved_grab;
42
static int gui_fullscreen;
43
static int gui_noframe;
44
static int gui_key_modifier_pressed;
45
static int gui_keysym;
46
static int gui_fullscreen_initial_grab;
47
static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
48
static uint8_t modifiers_state[256];
49
static int width, height;
50
static SDL_Cursor *sdl_cursor_normal;
51
static SDL_Cursor *sdl_cursor_hidden;
52
static int absolute_enabled = 0;
53
static int guest_cursor = 0;
54
static int guest_x, guest_y;
55
static SDL_Cursor *guest_sprite = 0;
56

    
57
static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
58
{
59
    SDL_Rect rec;
60
    rec.x = x;
61
    rec.y = y;
62
    rec.w = w;
63
    rec.h = h;
64
    //    printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
65

    
66
    SDL_BlitSurface(guest_screen, &rec, real_screen, &rec);
67
    SDL_UpdateRect(real_screen, x, y, w, h);
68
}
69

    
70
static void sdl_setdata(DisplayState *ds)
71
{
72
    SDL_Rect rec;
73
    rec.x = 0;
74
    rec.y = 0;
75
    rec.w = real_screen->w;
76
    rec.h = real_screen->h;
77

    
78
    if (guest_screen != NULL) SDL_FreeSurface(guest_screen);
79

    
80
    guest_screen = SDL_CreateRGBSurfaceFrom(ds_get_data(ds), ds_get_width(ds), ds_get_height(ds),
81
                                            ds_get_bits_per_pixel(ds), ds_get_linesize(ds),
82
                                            ds->surface->pf.rmask, ds->surface->pf.gmask,
83
                                            ds->surface->pf.bmask, ds->surface->pf.amask);
84
}
85

    
86
static void sdl_resize(DisplayState *ds)
87
{
88
    int flags;
89

    
90
    //    printf("resizing to %d %d\n", w, h);
91

    
92
    flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
93
    if (gui_fullscreen)
94
        flags |= SDL_FULLSCREEN;
95
    if (gui_noframe)
96
        flags |= SDL_NOFRAME;
97

    
98
    width = ds_get_width(ds);
99
    height = ds_get_height(ds);
100
    real_screen = SDL_SetVideoMode(width, height, 0, flags);
101
    if (!real_screen) {
102
        fprintf(stderr, "Could not open SDL display\n");
103
        exit(1);
104
    }
105

    
106
    sdl_setdata(ds);
107
}
108

    
109
/* generic keyboard conversion */
110

    
111
#include "sdl_keysym.h"
112
#include "keymaps.c"
113

    
114
static kbd_layout_t *kbd_layout = NULL;
115

    
116
static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
117
{
118
    int keysym;
119
    /* workaround for X11+SDL bug with AltGR */
120
    keysym = ev->keysym.sym;
121
    if (keysym == 0 && ev->keysym.scancode == 113)
122
        keysym = SDLK_MODE;
123
    /* For Japanese key '\' and '|' */
124
    if (keysym == 92 && ev->keysym.scancode == 133) {
125
        keysym = 0xa5;
126
    }
127
    return keysym2scancode(kbd_layout, keysym);
128
}
129

    
130
/* specific keyboard conversions from scan codes */
131

    
132
#if defined(_WIN32)
133

    
134
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
135
{
136
    return ev->keysym.scancode;
137
}
138

    
139
#else
140

    
141
#if defined(SDL_VIDEO_DRIVER_X11)
142
#include <X11/XKBlib.h>
143

    
144
static int check_for_evdev(void)
145
{
146
    SDL_SysWMinfo info;
147
    XkbDescPtr desc;
148
    int has_evdev = 0;
149
    const char *keycodes;
150

    
151
    SDL_VERSION(&info.version);
152
    if (!SDL_GetWMInfo(&info))
153
        return 0;
154

    
155
    desc = XkbGetKeyboard(info.info.x11.display,
156
                          XkbGBN_AllComponentsMask,
157
                          XkbUseCoreKbd);
158
    if (desc == NULL || desc->names == NULL)
159
        return 0;
160

    
161
    keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes);
162
    if (keycodes == NULL)
163
        fprintf(stderr, "could not lookup keycode name\n");
164
    else if (strstart(keycodes, "evdev_", NULL))
165
        has_evdev = 1;
166
    else if (!strstart(keycodes, "xfree86_", NULL))
167
        fprintf(stderr,
168
                "unknown keycodes `%s', please report to qemu-devel@nongnu.org\n",
169
                keycodes);
170

    
171
    XkbFreeClientMap(desc, XkbGBN_AllComponentsMask, True);
172

    
173
    return has_evdev;
174
}
175
#else
176
static int check_for_evdev(void)
177
{
178
        return 0;
179
}
180
#endif
181

    
182
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
183
{
184
    int keycode;
185
    static int has_evdev = -1;
186

    
187
    if (has_evdev == -1)
188
        has_evdev = check_for_evdev();
189

    
190
    keycode = ev->keysym.scancode;
191

    
192
    if (keycode < 9) {
193
        keycode = 0;
194
    } else if (keycode < 97) {
195
        keycode -= 8; /* just an offset */
196
    } else if (keycode < 158) {
197
        /* use conversion table */
198
        if (has_evdev)
199
            keycode = translate_evdev_keycode(keycode - 97);
200
        else
201
            keycode = translate_xfree86_keycode(keycode - 97);
202
    } else if (keycode == 208) { /* Hiragana_Katakana */
203
        keycode = 0x70;
204
    } else if (keycode == 211) { /* backslash */
205
        keycode = 0x73;
206
    } else {
207
        keycode = 0;
208
    }
209
    return keycode;
210
}
211

    
212
#endif
213

    
214
static void reset_keys(void)
215
{
216
    int i;
217
    for(i = 0; i < 256; i++) {
218
        if (modifiers_state[i]) {
219
            if (i & 0x80)
220
                kbd_put_keycode(0xe0);
221
            kbd_put_keycode(i | 0x80);
222
            modifiers_state[i] = 0;
223
        }
224
    }
225
}
226

    
227
static void sdl_process_key(SDL_KeyboardEvent *ev)
228
{
229
    int keycode, v;
230

    
231
    if (ev->keysym.sym == SDLK_PAUSE) {
232
        /* specific case */
233
        v = 0;
234
        if (ev->type == SDL_KEYUP)
235
            v |= 0x80;
236
        kbd_put_keycode(0xe1);
237
        kbd_put_keycode(0x1d | v);
238
        kbd_put_keycode(0x45 | v);
239
        return;
240
    }
241

    
242
    if (kbd_layout) {
243
        keycode = sdl_keyevent_to_keycode_generic(ev);
244
    } else {
245
        keycode = sdl_keyevent_to_keycode(ev);
246
    }
247

    
248
    switch(keycode) {
249
    case 0x00:
250
        /* sent when leaving window: reset the modifiers state */
251
        reset_keys();
252
        return;
253
    case 0x2a:                          /* Left Shift */
254
    case 0x36:                          /* Right Shift */
255
    case 0x1d:                          /* Left CTRL */
256
    case 0x9d:                          /* Right CTRL */
257
    case 0x38:                          /* Left ALT */
258
    case 0xb8:                         /* Right ALT */
259
        if (ev->type == SDL_KEYUP)
260
            modifiers_state[keycode] = 0;
261
        else
262
            modifiers_state[keycode] = 1;
263
        break;
264
    case 0x45: /* num lock */
265
    case 0x3a: /* caps lock */
266
        /* SDL does not send the key up event, so we generate it */
267
        kbd_put_keycode(keycode);
268
        kbd_put_keycode(keycode | 0x80);
269
        return;
270
    }
271

    
272
    /* now send the key code */
273
    if (keycode & 0x80)
274
        kbd_put_keycode(0xe0);
275
    if (ev->type == SDL_KEYUP)
276
        kbd_put_keycode(keycode | 0x80);
277
    else
278
        kbd_put_keycode(keycode & 0x7f);
279
}
280

    
281
static void sdl_update_caption(void)
282
{
283
    char buf[1024];
284
    const char *status = "";
285

    
286
    if (!vm_running)
287
        status = " [Stopped]";
288
    else if (gui_grab) {
289
        if (!alt_grab)
290
            status = " - Press Ctrl-Alt to exit grab";
291
        else
292
            status = " - Press Ctrl-Alt-Shift to exit grab";
293
    }
294

    
295
    if (qemu_name)
296
        snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status);
297
    else
298
        snprintf(buf, sizeof(buf), "QEMU%s", status);
299

    
300
    SDL_WM_SetCaption(buf, "QEMU");
301
}
302

    
303
static void sdl_hide_cursor(void)
304
{
305
    if (!cursor_hide)
306
        return;
307

    
308
    if (kbd_mouse_is_absolute()) {
309
        SDL_ShowCursor(1);
310
        SDL_SetCursor(sdl_cursor_hidden);
311
    } else {
312
        SDL_ShowCursor(0);
313
    }
314
}
315

    
316
static void sdl_show_cursor(void)
317
{
318
    if (!cursor_hide)
319
        return;
320

    
321
    if (!kbd_mouse_is_absolute()) {
322
        SDL_ShowCursor(1);
323
        if (guest_cursor &&
324
                (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
325
            SDL_SetCursor(guest_sprite);
326
        else
327
            SDL_SetCursor(sdl_cursor_normal);
328
    }
329
}
330

    
331
static void sdl_grab_start(void)
332
{
333
    if (guest_cursor) {
334
        SDL_SetCursor(guest_sprite);
335
        if (!kbd_mouse_is_absolute() && !absolute_enabled)
336
            SDL_WarpMouse(guest_x, guest_y);
337
    } else
338
        sdl_hide_cursor();
339

    
340
    if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) {
341
        gui_grab = 1;
342
        sdl_update_caption();
343
    } else
344
        sdl_show_cursor();
345
}
346

    
347
static void sdl_grab_end(void)
348
{
349
    SDL_WM_GrabInput(SDL_GRAB_OFF);
350
    gui_grab = 0;
351
    sdl_show_cursor();
352
    sdl_update_caption();
353
}
354

    
355
static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)
356
{
357
    int buttons;
358
    buttons = 0;
359
    if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
360
        buttons |= MOUSE_EVENT_LBUTTON;
361
    if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
362
        buttons |= MOUSE_EVENT_RBUTTON;
363
    if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
364
        buttons |= MOUSE_EVENT_MBUTTON;
365

    
366
    if (kbd_mouse_is_absolute()) {
367
        if (!absolute_enabled) {
368
            sdl_hide_cursor();
369
            if (gui_grab) {
370
                sdl_grab_end();
371
            }
372
            absolute_enabled = 1;
373
        }
374

    
375
       dx = x * 0x7FFF / (width - 1);
376
       dy = y * 0x7FFF / (height - 1);
377
    } else if (absolute_enabled) {
378
        sdl_show_cursor();
379
        absolute_enabled = 0;
380
    } else if (guest_cursor) {
381
        x -= guest_x;
382
        y -= guest_y;
383
        guest_x += x;
384
        guest_y += y;
385
        dx = x;
386
        dy = y;
387
    }
388

    
389
    kbd_mouse_event(dx, dy, dz, buttons);
390
}
391

    
392
static void toggle_full_screen(DisplayState *ds)
393
{
394
    gui_fullscreen = !gui_fullscreen;
395
    sdl_resize(ds);
396
    if (gui_fullscreen) {
397
        gui_saved_grab = gui_grab;
398
        sdl_grab_start();
399
    } else {
400
        if (!gui_saved_grab)
401
            sdl_grab_end();
402
    }
403
    vga_hw_invalidate();
404
    vga_hw_update();
405
}
406

    
407
static void sdl_refresh(DisplayState *ds)
408
{
409
    SDL_Event ev1, *ev = &ev1;
410
    int mod_state;
411
    int buttonstate = SDL_GetMouseState(NULL, NULL);
412

    
413
    if (last_vm_running != vm_running) {
414
        last_vm_running = vm_running;
415
        sdl_update_caption();
416
    }
417

    
418
    vga_hw_update();
419
    SDL_EnableUNICODE(!is_graphic_console());
420

    
421
    while (SDL_PollEvent(ev)) {
422
        switch (ev->type) {
423
        case SDL_VIDEOEXPOSE:
424
            sdl_update(ds, 0, 0, real_screen->w, real_screen->h);
425
            break;
426
        case SDL_KEYDOWN:
427
        case SDL_KEYUP:
428
            if (ev->type == SDL_KEYDOWN) {
429
                if (!alt_grab) {
430
                    mod_state = (SDL_GetModState() & gui_grab_code) ==
431
                                gui_grab_code;
432
                } else {
433
                    mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
434
                                (gui_grab_code | KMOD_LSHIFT);
435
                }
436
                gui_key_modifier_pressed = mod_state;
437
                if (gui_key_modifier_pressed) {
438
                    int keycode;
439
                    keycode = sdl_keyevent_to_keycode(&ev->key);
440
                    switch(keycode) {
441
                    case 0x21: /* 'f' key on US keyboard */
442
                        toggle_full_screen(ds);
443
                        gui_keysym = 1;
444
                        break;
445
                    case 0x02 ... 0x0a: /* '1' to '9' keys */
446
                        /* Reset the modifiers sent to the current console */
447
                        reset_keys();
448
                        console_select(keycode - 0x02);
449
                        if (!is_graphic_console()) {
450
                            /* display grab if going to a text console */
451
                            if (gui_grab)
452
                                sdl_grab_end();
453
                        }
454
                        gui_keysym = 1;
455
                        break;
456
                    default:
457
                        break;
458
                    }
459
                } else if (!is_graphic_console()) {
460
                    int keysym;
461
                    keysym = 0;
462
                    if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
463
                        switch(ev->key.keysym.sym) {
464
                        case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
465
                        case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
466
                        case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
467
                        case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
468
                        case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
469
                        case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
470
                        case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
471
                        case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
472
                        default: break;
473
                        }
474
                    } else {
475
                        switch(ev->key.keysym.sym) {
476
                        case SDLK_UP: keysym = QEMU_KEY_UP; break;
477
                        case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
478
                        case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
479
                        case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
480
                        case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
481
                        case SDLK_END: keysym = QEMU_KEY_END; break;
482
                        case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
483
                        case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
484
                        case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;
485
                        case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
486
                        default: break;
487
                        }
488
                    }
489
                    if (keysym) {
490
                        kbd_put_keysym(keysym);
491
                    } else if (ev->key.keysym.unicode != 0) {
492
                        kbd_put_keysym(ev->key.keysym.unicode);
493
                    }
494
                }
495
            } else if (ev->type == SDL_KEYUP) {
496
                if (!alt_grab) {
497
                    mod_state = (ev->key.keysym.mod & gui_grab_code);
498
                } else {
499
                    mod_state = (ev->key.keysym.mod &
500
                                 (gui_grab_code | KMOD_LSHIFT));
501
                }
502
                if (!mod_state) {
503
                    if (gui_key_modifier_pressed) {
504
                        gui_key_modifier_pressed = 0;
505
                        if (gui_keysym == 0) {
506
                            /* exit/enter grab if pressing Ctrl-Alt */
507
                            if (!gui_grab) {
508
                                /* if the application is not active,
509
                                   do not try to enter grab state. It
510
                                   prevents
511
                                   'SDL_WM_GrabInput(SDL_GRAB_ON)'
512
                                   from blocking all the application
513
                                   (SDL bug). */
514
                                if (SDL_GetAppState() & SDL_APPACTIVE)
515
                                    sdl_grab_start();
516
                            } else {
517
                                sdl_grab_end();
518
                            }
519
                            /* SDL does not send back all the
520
                               modifiers key, so we must correct it */
521
                            reset_keys();
522
                            break;
523
                        }
524
                        gui_keysym = 0;
525
                    }
526
                }
527
            }
528
            if (is_graphic_console() && !gui_keysym)
529
                sdl_process_key(&ev->key);
530
            break;
531
        case SDL_QUIT:
532
            if (!no_quit)
533
                qemu_system_shutdown_request();
534
            break;
535
        case SDL_MOUSEMOTION:
536
            if (gui_grab || kbd_mouse_is_absolute() ||
537
                absolute_enabled) {
538
                sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
539
                       ev->motion.x, ev->motion.y, ev->motion.state);
540
            }
541
            break;
542
        case SDL_MOUSEBUTTONDOWN:
543
        case SDL_MOUSEBUTTONUP:
544
            {
545
                SDL_MouseButtonEvent *bev = &ev->button;
546
                if (!gui_grab && !kbd_mouse_is_absolute()) {
547
                    if (ev->type == SDL_MOUSEBUTTONDOWN &&
548
                        (bev->button == SDL_BUTTON_LEFT)) {
549
                        /* start grabbing all events */
550
                        sdl_grab_start();
551
                    }
552
                } else {
553
                    int dz;
554
                    dz = 0;
555
                    if (ev->type == SDL_MOUSEBUTTONDOWN) {
556
                        buttonstate |= SDL_BUTTON(bev->button);
557
                    } else {
558
                        buttonstate &= ~SDL_BUTTON(bev->button);
559
                    }
560
#ifdef SDL_BUTTON_WHEELUP
561
                    if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
562
                        dz = -1;
563
                    } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
564
                        dz = 1;
565
                    }
566
#endif
567
                    sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
568
                }
569
            }
570
            break;
571
        case SDL_ACTIVEEVENT:
572
            if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
573
                !ev->active.gain && !gui_fullscreen_initial_grab) {
574
                sdl_grab_end();
575
            }
576
            if (ev->active.state & SDL_APPACTIVE) {
577
                if (ev->active.gain) {
578
                    /* Back to default interval */
579
                    dcl->gui_timer_interval = 0;
580
                    dcl->idle = 0;
581
                } else {
582
                    /* Sleeping interval */
583
                    dcl->gui_timer_interval = 500;
584
                    dcl->idle = 1;
585
                }
586
            }
587
            break;
588
        default:
589
            break;
590
        }
591
    }
592
}
593

    
594
static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)
595
{
596
    SDL_Rect dst = { x, y, w, h };
597
    SDL_FillRect(real_screen, &dst, c);
598
}
599

    
600
static void sdl_mouse_warp(int x, int y, int on)
601
{
602
    if (on) {
603
        if (!guest_cursor)
604
            sdl_show_cursor();
605
        if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
606
            SDL_SetCursor(guest_sprite);
607
            if (!kbd_mouse_is_absolute() && !absolute_enabled)
608
                SDL_WarpMouse(x, y);
609
        }
610
    } else if (gui_grab)
611
        sdl_hide_cursor();
612
    guest_cursor = on;
613
    guest_x = x, guest_y = y;
614
}
615

    
616
static void sdl_mouse_define(int width, int height, int bpp,
617
                             int hot_x, int hot_y,
618
                             uint8_t *image, uint8_t *mask)
619
{
620
    uint8_t sprite[256], *line;
621
    int x, y, dst, bypl, src = 0;
622
    if (guest_sprite)
623
        SDL_FreeCursor(guest_sprite);
624

    
625
    memset(sprite, 0, 256);
626
    bypl = ((width * bpp + 31) >> 5) << 2;
627
    for (y = 0, dst = 0; y < height; y ++, image += bypl) {
628
        line = image;
629
        for (x = 0; x < width; x ++, dst ++) {
630
            switch (bpp) {
631
            case 24:
632
                src = *(line ++); src |= *(line ++); src |= *(line ++);
633
                break;
634
            case 16:
635
            case 15:
636
                src = *(line ++); src |= *(line ++);
637
                break;
638
            case 8:
639
                src = *(line ++);
640
                break;
641
            case 4:
642
                src = 0xf & (line[x >> 1] >> ((x & 1)) << 2);
643
                break;
644
            case 2:
645
                src = 3 & (line[x >> 2] >> ((x & 3)) << 1);
646
                break;
647
            case 1:
648
                src = 1 & (line[x >> 3] >> (x & 7));
649
                break;
650
            }
651
            if (!src)
652
                sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3];
653
        }
654
    }
655
    guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y);
656

    
657
    if (guest_cursor &&
658
            (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
659
        SDL_SetCursor(guest_sprite);
660
}
661

    
662
static void sdl_cleanup(void)
663
{
664
    if (guest_sprite)
665
        SDL_FreeCursor(guest_sprite);
666
    SDL_Quit();
667
}
668

    
669
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
670
{
671
    int flags;
672
    uint8_t data = 0;
673

    
674
#if defined(__APPLE__)
675
    /* always use generic keymaps */
676
    if (!keyboard_layout)
677
        keyboard_layout = "en-us";
678
#endif
679
    if(keyboard_layout) {
680
        kbd_layout = init_keyboard_layout(keyboard_layout);
681
        if (!kbd_layout)
682
            exit(1);
683
    }
684

    
685
    if (no_frame)
686
        gui_noframe = 1;
687

    
688
    flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
689
    if (SDL_Init (flags)) {
690
        fprintf(stderr, "Could not initialize SDL - exiting\n");
691
        exit(1);
692
    }
693

    
694
    dcl = qemu_mallocz(sizeof(DisplayChangeListener));
695
    dcl->dpy_update = sdl_update;
696
    dcl->dpy_resize = sdl_resize;
697
    dcl->dpy_refresh = sdl_refresh;
698
    dcl->dpy_setdata = sdl_setdata;
699
    dcl->dpy_fill = sdl_fill;
700
    ds->mouse_set = sdl_mouse_warp;
701
    ds->cursor_define = sdl_mouse_define;
702
    register_displaychangelistener(ds, dcl);
703

    
704
    sdl_update_caption();
705
    SDL_EnableKeyRepeat(250, 50);
706
    gui_grab = 0;
707

    
708
    sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
709
    sdl_cursor_normal = SDL_GetCursor();
710

    
711
    atexit(sdl_cleanup);
712
    if (full_screen) {
713
        gui_fullscreen = 1;
714
        gui_fullscreen_initial_grab = 1;
715
        sdl_grab_start();
716
    }
717
}