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24#include <SDL.h>
25#include <SDL_syswm.h>
26
27#ifndef _WIN32
28#include <signal.h>
29#endif
30
31#include "qemu-common.h"
32#include "console.h"
33#include "sysemu.h"
34#include "x_keymap.h"
35#include "sdl_zoom.h"
36
37static DisplayChangeListener *dcl;
38static SDL_Surface *real_screen;
39static SDL_Surface *guest_screen = NULL;
40static int gui_grab;
41static int last_vm_running;
42static int gui_saved_grab;
43static int gui_fullscreen;
44static int gui_noframe;
45static int gui_key_modifier_pressed;
46static int gui_keysym;
47static int gui_fullscreen_initial_grab;
48static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
49static uint8_t modifiers_state[256];
50static int width, height;
51static SDL_Cursor *sdl_cursor_normal;
52static SDL_Cursor *sdl_cursor_hidden;
53static int absolute_enabled = 0;
54static int guest_cursor = 0;
55static int guest_x, guest_y;
56static SDL_Cursor *guest_sprite = NULL;
57static uint8_t allocator;
58static SDL_PixelFormat host_format;
59static int scaling_active = 0;
60
61static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
62{
63
64 SDL_Rect rec;
65 rec.x = x;
66 rec.y = y;
67 rec.w = w;
68 rec.h = h;
69
70 if (guest_screen) {
71 if (!scaling_active) {
72 SDL_BlitSurface(guest_screen, &rec, real_screen, &rec);
73 } else {
74 if (sdl_zoom_blit(guest_screen, real_screen, SMOOTHING_ON, &rec) < 0) {
75 fprintf(stderr, "Zoom blit failed\n");
76 exit(1);
77 }
78 }
79 }
80 SDL_UpdateRect(real_screen, rec.x, rec.y, rec.w, rec.h);
81}
82
83static void sdl_setdata(DisplayState *ds)
84{
85 SDL_Rect rec;
86 rec.x = 0;
87 rec.y = 0;
88 rec.w = real_screen->w;
89 rec.h = real_screen->h;
90
91 if (guest_screen != NULL) SDL_FreeSurface(guest_screen);
92
93 guest_screen = SDL_CreateRGBSurfaceFrom(ds_get_data(ds), ds_get_width(ds), ds_get_height(ds),
94 ds_get_bits_per_pixel(ds), ds_get_linesize(ds),
95 ds->surface->pf.rmask, ds->surface->pf.gmask,
96 ds->surface->pf.bmask, ds->surface->pf.amask);
97}
98
99static void do_sdl_resize(int new_width, int new_height, int bpp)
100{
101 int flags;
102
103
104
105 flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL|SDL_RESIZABLE;
106 if (gui_fullscreen)
107 flags |= SDL_FULLSCREEN;
108 if (gui_noframe)
109 flags |= SDL_NOFRAME;
110
111 width = new_width;
112 height = new_height;
113 real_screen = SDL_SetVideoMode(width, height, bpp, flags);
114 if (!real_screen) {
115 fprintf(stderr, "Could not open SDL display\n");
116 exit(1);
117 }
118}
119
120static void sdl_resize(DisplayState *ds)
121{
122 if (!allocator) {
123 if (!scaling_active)
124 do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);
125 else if (real_screen->format->BitsPerPixel != ds_get_bits_per_pixel(ds))
126 do_sdl_resize(real_screen->w, real_screen->h, ds_get_bits_per_pixel(ds));
127 sdl_setdata(ds);
128 } else {
129 if (guest_screen != NULL) {
130 SDL_FreeSurface(guest_screen);
131 guest_screen = NULL;
132 }
133 }
134}
135
136static PixelFormat sdl_to_qemu_pixelformat(SDL_PixelFormat *sdl_pf)
137{
138 PixelFormat qemu_pf;
139
140 memset(&qemu_pf, 0x00, sizeof(PixelFormat));
141
142 qemu_pf.bits_per_pixel = sdl_pf->BitsPerPixel;
143 qemu_pf.bytes_per_pixel = sdl_pf->BytesPerPixel;
144 qemu_pf.depth = (qemu_pf.bits_per_pixel) == 32 ? 24 : (qemu_pf.bits_per_pixel);
145
146 qemu_pf.rmask = sdl_pf->Rmask;
147 qemu_pf.gmask = sdl_pf->Gmask;
148 qemu_pf.bmask = sdl_pf->Bmask;
149 qemu_pf.amask = sdl_pf->Amask;
150
151 qemu_pf.rshift = sdl_pf->Rshift;
152 qemu_pf.gshift = sdl_pf->Gshift;
153 qemu_pf.bshift = sdl_pf->Bshift;
154 qemu_pf.ashift = sdl_pf->Ashift;
155
156 qemu_pf.rbits = 8 - sdl_pf->Rloss;
157 qemu_pf.gbits = 8 - sdl_pf->Gloss;
158 qemu_pf.bbits = 8 - sdl_pf->Bloss;
159 qemu_pf.abits = 8 - sdl_pf->Aloss;
160
161 qemu_pf.rmax = ((1 << qemu_pf.rbits) - 1);
162 qemu_pf.gmax = ((1 << qemu_pf.gbits) - 1);
163 qemu_pf.bmax = ((1 << qemu_pf.bbits) - 1);
164 qemu_pf.amax = ((1 << qemu_pf.abits) - 1);
165
166 return qemu_pf;
167}
168
169static DisplaySurface* sdl_create_displaysurface(int width, int height)
170{
171 DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
172 if (surface == NULL) {
173 fprintf(stderr, "sdl_create_displaysurface: malloc failed\n");
174 exit(1);
175 }
176
177 surface->width = width;
178 surface->height = height;
179
180 if (scaling_active) {
181 if (host_format.BytesPerPixel != 2 && host_format.BytesPerPixel != 4) {
182 surface->linesize = width * 4;
183 surface->pf = qemu_default_pixelformat(32);
184 } else {
185 surface->linesize = width * host_format.BytesPerPixel;
186 surface->pf = sdl_to_qemu_pixelformat(&host_format);
187 }
188#ifdef WORDS_BIGENDIAN
189 surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
190#else
191 surface->flags = QEMU_ALLOCATED_FLAG;
192#endif
193 surface->data = (uint8_t*) qemu_mallocz(surface->linesize * surface->height);
194
195 return surface;
196 }
197
198 if (host_format.BitsPerPixel == 16)
199 do_sdl_resize(width, height, 16);
200 else
201 do_sdl_resize(width, height, 32);
202
203 surface->pf = sdl_to_qemu_pixelformat(real_screen->format);
204 surface->linesize = real_screen->pitch;
205 surface->data = real_screen->pixels;
206
207#ifdef WORDS_BIGENDIAN
208 surface->flags = QEMU_REALPIXELS_FLAG | QEMU_BIG_ENDIAN_FLAG;
209#else
210 surface->flags = QEMU_REALPIXELS_FLAG;
211#endif
212 allocator = 1;
213
214 return surface;
215}
216
217static void sdl_free_displaysurface(DisplaySurface *surface)
218{
219 allocator = 0;
220 if (surface == NULL)
221 return;
222
223 if (surface->flags & QEMU_ALLOCATED_FLAG)
224 qemu_free(surface->data);
225 qemu_free(surface);
226}
227
228static DisplaySurface* sdl_resize_displaysurface(DisplaySurface *surface, int width, int height)
229{
230 sdl_free_displaysurface(surface);
231 return sdl_create_displaysurface(width, height);
232}
233
234
235
236#include "sdl_keysym.h"
237
238static kbd_layout_t *kbd_layout = NULL;
239
240static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
241{
242 int keysym;
243
244 keysym = ev->keysym.sym;
245 if (keysym == 0 && ev->keysym.scancode == 113)
246 keysym = SDLK_MODE;
247
248 if (keysym == 92 && ev->keysym.scancode == 133) {
249 keysym = 0xa5;
250 }
251 return keysym2scancode(kbd_layout, keysym);
252}
253
254
255
256#if defined(_WIN32)
257
258static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
259{
260 return ev->keysym.scancode;
261}
262
263#else
264
265#if defined(SDL_VIDEO_DRIVER_X11)
266#include <X11/XKBlib.h>
267
268static int check_for_evdev(void)
269{
270 SDL_SysWMinfo info;
271 XkbDescPtr desc = NULL;
272 int has_evdev = 0;
273 char *keycodes = NULL;
274
275 SDL_VERSION(&info.version);
276 if (!SDL_GetWMInfo(&info)) {
277 return 0;
278 }
279 desc = XkbGetKeyboard(info.info.x11.display,
280 XkbGBN_AllComponentsMask,
281 XkbUseCoreKbd);
282 if (desc && desc->names) {
283 keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes);
284 if (keycodes == NULL) {
285 fprintf(stderr, "could not lookup keycode name\n");
286 } else if (strstart(keycodes, "evdev", NULL)) {
287 has_evdev = 1;
288 } else if (!strstart(keycodes, "xfree86", NULL)) {
289 fprintf(stderr, "unknown keycodes `%s', please report to "
290 "qemu-devel@nongnu.org\n", keycodes);
291 }
292 }
293
294 if (desc) {
295 XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
296 }
297 if (keycodes) {
298 XFree(keycodes);
299 }
300 return has_evdev;
301}
302#else
303static int check_for_evdev(void)
304{
305 return 0;
306}
307#endif
308
309static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
310{
311 int keycode;
312 static int has_evdev = -1;
313
314 if (has_evdev == -1)
315 has_evdev = check_for_evdev();
316
317 keycode = ev->keysym.scancode;
318
319 if (keycode < 9) {
320 keycode = 0;
321 } else if (keycode < 97) {
322 keycode -= 8;
323 } else if (keycode < 158) {
324
325 if (has_evdev)
326 keycode = translate_evdev_keycode(keycode - 97);
327 else
328 keycode = translate_xfree86_keycode(keycode - 97);
329 } else if (keycode == 208) {
330 keycode = 0x70;
331 } else if (keycode == 211) {
332 keycode = 0x73;
333 } else {
334 keycode = 0;
335 }
336 return keycode;
337}
338
339#endif
340
341static void reset_keys(void)
342{
343 int i;
344 for(i = 0; i < 256; i++) {
345 if (modifiers_state[i]) {
346 if (i & 0x80)
347 kbd_put_keycode(0xe0);
348 kbd_put_keycode(i | 0x80);
349 modifiers_state[i] = 0;
350 }
351 }
352}
353
354static void sdl_process_key(SDL_KeyboardEvent *ev)
355{
356 int keycode, v;
357
358 if (ev->keysym.sym == SDLK_PAUSE) {
359
360 v = 0;
361 if (ev->type == SDL_KEYUP)
362 v |= 0x80;
363 kbd_put_keycode(0xe1);
364 kbd_put_keycode(0x1d | v);
365 kbd_put_keycode(0x45 | v);
366 return;
367 }
368
369 if (kbd_layout) {
370 keycode = sdl_keyevent_to_keycode_generic(ev);
371 } else {
372 keycode = sdl_keyevent_to_keycode(ev);
373 }
374
375 switch(keycode) {
376 case 0x00:
377
378 reset_keys();
379 return;
380 case 0x2a:
381 case 0x36:
382 case 0x1d:
383 case 0x9d:
384 case 0x38:
385 case 0xb8:
386 if (ev->type == SDL_KEYUP)
387 modifiers_state[keycode] = 0;
388 else
389 modifiers_state[keycode] = 1;
390 break;
391 case 0x45:
392 case 0x3a:
393
394 kbd_put_keycode(keycode);
395 kbd_put_keycode(keycode | 0x80);
396 return;
397 }
398
399
400 if (keycode & 0x80)
401 kbd_put_keycode(0xe0);
402 if (ev->type == SDL_KEYUP)
403 kbd_put_keycode(keycode | 0x80);
404 else
405 kbd_put_keycode(keycode & 0x7f);
406}
407
408static void sdl_update_caption(void)
409{
410 char buf[1024];
411 const char *status = "";
412
413 if (!vm_running)
414 status = " [Stopped]";
415 else if (gui_grab) {
416 if (!alt_grab)
417 status = " - Press Ctrl-Alt to exit grab";
418 else
419 status = " - Press Ctrl-Alt-Shift to exit grab";
420 }
421
422 if (qemu_name)
423 snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status);
424 else
425 snprintf(buf, sizeof(buf), "QEMU%s", status);
426
427 SDL_WM_SetCaption(buf, "QEMU");
428}
429
430static void sdl_hide_cursor(void)
431{
432 if (!cursor_hide)
433 return;
434
435 if (kbd_mouse_is_absolute()) {
436 SDL_ShowCursor(1);
437 SDL_SetCursor(sdl_cursor_hidden);
438 } else {
439 SDL_ShowCursor(0);
440 }
441}
442
443static void sdl_show_cursor(void)
444{
445 if (!cursor_hide)
446 return;
447
448 if (!kbd_mouse_is_absolute()) {
449 SDL_ShowCursor(1);
450 if (guest_cursor &&
451 (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
452 SDL_SetCursor(guest_sprite);
453 else
454 SDL_SetCursor(sdl_cursor_normal);
455 }
456}
457
458static void sdl_grab_start(void)
459{
460 if (guest_cursor) {
461 SDL_SetCursor(guest_sprite);
462 if (!kbd_mouse_is_absolute() && !absolute_enabled)
463 SDL_WarpMouse(guest_x, guest_y);
464 } else
465 sdl_hide_cursor();
466
467 if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) {
468 gui_grab = 1;
469 sdl_update_caption();
470 } else
471 sdl_show_cursor();
472}
473
474static void sdl_grab_end(void)
475{
476 SDL_WM_GrabInput(SDL_GRAB_OFF);
477 gui_grab = 0;
478 sdl_show_cursor();
479 sdl_update_caption();
480}
481
482static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)
483{
484 int buttons;
485 buttons = 0;
486 if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
487 buttons |= MOUSE_EVENT_LBUTTON;
488 if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
489 buttons |= MOUSE_EVENT_RBUTTON;
490 if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
491 buttons |= MOUSE_EVENT_MBUTTON;
492
493 if (kbd_mouse_is_absolute()) {
494 if (!absolute_enabled) {
495 sdl_hide_cursor();
496 if (gui_grab) {
497 sdl_grab_end();
498 }
499 absolute_enabled = 1;
500 }
501
502 dx = x * 0x7FFF / (width - 1);
503 dy = y * 0x7FFF / (height - 1);
504 } else if (absolute_enabled) {
505 sdl_show_cursor();
506 absolute_enabled = 0;
507 } else if (guest_cursor) {
508 x -= guest_x;
509 y -= guest_y;
510 guest_x += x;
511 guest_y += y;
512 dx = x;
513 dy = y;
514 }
515
516 kbd_mouse_event(dx, dy, dz, buttons);
517}
518
519static void toggle_full_screen(DisplayState *ds)
520{
521 gui_fullscreen = !gui_fullscreen;
522 if (gui_fullscreen) {
523 scaling_active = 0;
524 gui_saved_grab = gui_grab;
525 sdl_grab_start();
526 } else {
527 if (!gui_saved_grab)
528 sdl_grab_end();
529 }
530 vga_hw_invalidate();
531 vga_hw_update();
532}
533
534static void sdl_refresh(DisplayState *ds)
535{
536 SDL_Event ev1, *ev = &ev1;
537 int mod_state;
538 int buttonstate = SDL_GetMouseState(NULL, NULL);
539
540 if (last_vm_running != vm_running) {
541 last_vm_running = vm_running;
542 sdl_update_caption();
543 }
544
545 vga_hw_update();
546 SDL_EnableUNICODE(!is_graphic_console());
547
548 while (SDL_PollEvent(ev)) {
549 switch (ev->type) {
550 case SDL_VIDEOEXPOSE:
551 sdl_update(ds, 0, 0, real_screen->w, real_screen->h);
552 break;
553 case SDL_KEYDOWN:
554 case SDL_KEYUP:
555 if (ev->type == SDL_KEYDOWN) {
556 if (!alt_grab) {
557 mod_state = (SDL_GetModState() & gui_grab_code) ==
558 gui_grab_code;
559 } else {
560 mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
561 (gui_grab_code | KMOD_LSHIFT);
562 }
563 gui_key_modifier_pressed = mod_state;
564 if (gui_key_modifier_pressed) {
565 int keycode;
566 keycode = sdl_keyevent_to_keycode(&ev->key);
567 switch(keycode) {
568 case 0x21:
569 toggle_full_screen(ds);
570 gui_keysym = 1;
571 break;
572 case 0x02 ... 0x0a:
573
574 reset_keys();
575 console_select(keycode - 0x02);
576 if (!is_graphic_console()) {
577
578 if (gui_grab)
579 sdl_grab_end();
580 }
581 gui_keysym = 1;
582 break;
583 default:
584 break;
585 }
586 } else if (!is_graphic_console()) {
587 int keysym;
588 keysym = 0;
589 if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
590 switch(ev->key.keysym.sym) {
591 case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
592 case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
593 case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
594 case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
595 case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
596 case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
597 case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
598 case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
599 default: break;
600 }
601 } else {
602 switch(ev->key.keysym.sym) {
603 case SDLK_UP: keysym = QEMU_KEY_UP; break;
604 case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
605 case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
606 case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
607 case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
608 case SDLK_END: keysym = QEMU_KEY_END; break;
609 case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
610 case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
611 case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;
612 case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
613 default: break;
614 }
615 }
616 if (keysym) {
617 kbd_put_keysym(keysym);
618 } else if (ev->key.keysym.unicode != 0) {
619 kbd_put_keysym(ev->key.keysym.unicode);
620 }
621 }
622 } else if (ev->type == SDL_KEYUP) {
623 if (!alt_grab) {
624 mod_state = (ev->key.keysym.mod & gui_grab_code);
625 } else {
626 mod_state = (ev->key.keysym.mod &
627 (gui_grab_code | KMOD_LSHIFT));
628 }
629 if (!mod_state) {
630 if (gui_key_modifier_pressed) {
631 gui_key_modifier_pressed = 0;
632 if (gui_keysym == 0) {
633
634 if (!gui_grab) {
635
636
637
638
639
640
641 if (SDL_GetAppState() & SDL_APPACTIVE)
642 sdl_grab_start();
643 } else {
644 sdl_grab_end();
645 }
646
647
648 reset_keys();
649 break;
650 }
651 gui_keysym = 0;
652 }
653 }
654 }
655 if (is_graphic_console() && !gui_keysym)
656 sdl_process_key(&ev->key);
657 break;
658 case SDL_QUIT:
659 if (!no_quit)
660 qemu_system_shutdown_request();
661 break;
662 case SDL_MOUSEMOTION:
663 if (gui_grab || kbd_mouse_is_absolute() ||
664 absolute_enabled) {
665 sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
666 ev->motion.x, ev->motion.y, ev->motion.state);
667 }
668 break;
669 case SDL_MOUSEBUTTONDOWN:
670 case SDL_MOUSEBUTTONUP:
671 {
672 SDL_MouseButtonEvent *bev = &ev->button;
673 if (!gui_grab && !kbd_mouse_is_absolute()) {
674 if (ev->type == SDL_MOUSEBUTTONDOWN &&
675 (bev->button == SDL_BUTTON_LEFT)) {
676
677 sdl_grab_start();
678 }
679 } else {
680 int dz;
681 dz = 0;
682 if (ev->type == SDL_MOUSEBUTTONDOWN) {
683 buttonstate |= SDL_BUTTON(bev->button);
684 } else {
685 buttonstate &= ~SDL_BUTTON(bev->button);
686 }
687#ifdef SDL_BUTTON_WHEELUP
688 if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
689 dz = -1;
690 } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
691 dz = 1;
692 }
693#endif
694 sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
695 }
696 }
697 break;
698 case SDL_ACTIVEEVENT:
699 if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
700 !ev->active.gain && !gui_fullscreen_initial_grab) {
701 sdl_grab_end();
702 }
703 if (ev->active.state & SDL_APPACTIVE) {
704 if (ev->active.gain) {
705
706 dcl->gui_timer_interval = 0;
707 dcl->idle = 0;
708 } else {
709
710 dcl->gui_timer_interval = 500;
711 dcl->idle = 1;
712 }
713 }
714 break;
715 case SDL_VIDEORESIZE:
716 {
717 SDL_ResizeEvent *rev = &ev->resize;
718 int bpp = real_screen->format->BitsPerPixel;
719 if (bpp != 16 && bpp != 32)
720 bpp = 32;
721 do_sdl_resize(rev->w, rev->h, bpp);
722 scaling_active = 1;
723 if (!is_buffer_shared(ds->surface)) {
724 ds->surface = qemu_resize_displaysurface(ds, ds_get_width(ds), ds_get_height(ds));
725 dpy_resize(ds);
726 }
727 vga_hw_invalidate();
728 vga_hw_update();
729 break;
730 }
731 default:
732 break;
733 }
734 }
735}
736
737static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)
738{
739 SDL_Rect dst = { x, y, w, h };
740 SDL_FillRect(real_screen, &dst, c);
741}
742
743static void sdl_mouse_warp(int x, int y, int on)
744{
745 if (on) {
746 if (!guest_cursor)
747 sdl_show_cursor();
748 if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
749 SDL_SetCursor(guest_sprite);
750 if (!kbd_mouse_is_absolute() && !absolute_enabled)
751 SDL_WarpMouse(x, y);
752 }
753 } else if (gui_grab)
754 sdl_hide_cursor();
755 guest_cursor = on;
756 guest_x = x, guest_y = y;
757}
758
759static void sdl_mouse_define(int width, int height, int bpp,
760 int hot_x, int hot_y,
761 uint8_t *image, uint8_t *mask)
762{
763 uint8_t sprite[256], *line;
764 int x, y, dst, bypl, src = 0;
765 if (guest_sprite)
766 SDL_FreeCursor(guest_sprite);
767
768 memset(sprite, 0, 256);
769 bypl = ((width * bpp + 31) >> 5) << 2;
770 for (y = 0, dst = 0; y < height; y ++, image += bypl) {
771 line = image;
772 for (x = 0; x < width; x ++, dst ++) {
773 switch (bpp) {
774 case 32:
775 src = *(line ++); src |= *(line ++); src |= *(line ++); line++;
776 break;
777 case 24:
778 src = *(line ++); src |= *(line ++); src |= *(line ++);
779 break;
780 case 16:
781 case 15:
782 src = *(line ++); src |= *(line ++);
783 break;
784 case 8:
785 src = *(line ++);
786 break;
787 case 4:
788 src = 0xf & (line[x >> 1] >> ((x & 1)) << 2);
789 break;
790 case 2:
791 src = 3 & (line[x >> 2] >> ((x & 3)) << 1);
792 break;
793 case 1:
794 src = 1 & (line[x >> 3] >> (x & 7));
795 break;
796 }
797 if (!src)
798 sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3];
799 }
800 }
801 guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y);
802
803 if (guest_cursor &&
804 (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
805 SDL_SetCursor(guest_sprite);
806}
807
808static void sdl_cleanup(void)
809{
810 if (guest_sprite)
811 SDL_FreeCursor(guest_sprite);
812 SDL_QuitSubSystem(SDL_INIT_VIDEO);
813}
814
815void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
816{
817 int flags;
818 uint8_t data = 0;
819 DisplayAllocator *da;
820 const SDL_VideoInfo *vi;
821
822#if defined(__APPLE__)
823
824 if (!keyboard_layout)
825 keyboard_layout = "en-us";
826#endif
827 if(keyboard_layout) {
828 kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
829 if (!kbd_layout)
830 exit(1);
831 }
832
833 if (no_frame)
834 gui_noframe = 1;
835
836 flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
837 if (SDL_Init (flags)) {
838 fprintf(stderr, "Could not initialize SDL - exiting\n");
839 exit(1);
840 }
841 vi = SDL_GetVideoInfo();
842 host_format = *(vi->vfmt);
843
844 dcl = qemu_mallocz(sizeof(DisplayChangeListener));
845 dcl->dpy_update = sdl_update;
846 dcl->dpy_resize = sdl_resize;
847 dcl->dpy_refresh = sdl_refresh;
848 dcl->dpy_setdata = sdl_setdata;
849 dcl->dpy_fill = sdl_fill;
850 ds->mouse_set = sdl_mouse_warp;
851 ds->cursor_define = sdl_mouse_define;
852 register_displaychangelistener(ds, dcl);
853
854 da = qemu_mallocz(sizeof(DisplayAllocator));
855 da->create_displaysurface = sdl_create_displaysurface;
856 da->resize_displaysurface = sdl_resize_displaysurface;
857 da->free_displaysurface = sdl_free_displaysurface;
858 if (register_displayallocator(ds, da) == da) {
859 DisplaySurface *surf;
860 surf = sdl_create_displaysurface(ds_get_width(ds), ds_get_height(ds));
861 defaultallocator_free_displaysurface(ds->surface);
862 ds->surface = surf;
863 dpy_resize(ds);
864 }
865
866 sdl_update_caption();
867 SDL_EnableKeyRepeat(250, 50);
868 gui_grab = 0;
869
870 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
871 sdl_cursor_normal = SDL_GetCursor();
872
873 atexit(sdl_cleanup);
874 if (full_screen) {
875 gui_fullscreen = 1;
876 gui_fullscreen_initial_grab = 1;
877 sdl_grab_start();
878 }
879}
880
