2 * QEMU SDL display driver
4 * Copyright (c) 2003 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
25 /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
26 #undef WIN32_LEAN_AND_MEAN
29 #include <SDL_syswm.h>
31 #include "qemu-common.h"
37 static DisplayChangeListener *dcl;
38 static SDL_Surface *real_screen;
39 static SDL_Surface *guest_screen = NULL;
40 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
41 static int last_vm_running;
42 static bool gui_saved_scaling;
43 static int gui_saved_width;
44 static int gui_saved_height;
45 static int gui_saved_grab;
46 static int gui_fullscreen;
47 static int gui_noframe;
48 static int gui_key_modifier_pressed;
49 static int gui_keysym;
50 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
51 static uint8_t modifiers_state[256];
52 static int width, height;
53 static SDL_Cursor *sdl_cursor_normal;
54 static SDL_Cursor *sdl_cursor_hidden;
55 static int absolute_enabled = 0;
56 static int guest_cursor = 0;
57 static int guest_x, guest_y;
58 static SDL_Cursor *guest_sprite = NULL;
59 static uint8_t allocator;
60 static SDL_PixelFormat host_format;
61 static int scaling_active = 0;
62 static Notifier mouse_mode_notifier;
64 static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
66 // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
74 if (!scaling_active) {
75 SDL_BlitSurface(guest_screen, &rec, real_screen, &rec);
77 if (sdl_zoom_blit(guest_screen, real_screen, SMOOTHING_ON, &rec) < 0) {
78 fprintf(stderr, "Zoom blit failed\n");
83 SDL_UpdateRect(real_screen, rec.x, rec.y, rec.w, rec.h);
86 static void sdl_setdata(DisplayState *ds)
88 if (guest_screen != NULL) SDL_FreeSurface(guest_screen);
90 guest_screen = SDL_CreateRGBSurfaceFrom(ds_get_data(ds), ds_get_width(ds), ds_get_height(ds),
91 ds_get_bits_per_pixel(ds), ds_get_linesize(ds),
92 ds->surface->pf.rmask, ds->surface->pf.gmask,
93 ds->surface->pf.bmask, ds->surface->pf.amask);
96 static void do_sdl_resize(int new_width, int new_height, int bpp)
100 // printf("resizing to %d %d\n", w, h);
102 flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL;
103 if (gui_fullscreen) {
104 flags |= SDL_FULLSCREEN;
106 flags |= SDL_RESIZABLE;
109 flags |= SDL_NOFRAME;
113 real_screen = SDL_SetVideoMode(width, height, bpp, flags);
115 fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n", width,
116 height, bpp, SDL_GetError());
121 static void sdl_resize(DisplayState *ds)
125 do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);
126 else if (real_screen->format->BitsPerPixel != ds_get_bits_per_pixel(ds))
127 do_sdl_resize(real_screen->w, real_screen->h, ds_get_bits_per_pixel(ds));
130 if (guest_screen != NULL) {
131 SDL_FreeSurface(guest_screen);
137 static PixelFormat sdl_to_qemu_pixelformat(SDL_PixelFormat *sdl_pf)
141 memset(&qemu_pf, 0x00, sizeof(PixelFormat));
143 qemu_pf.bits_per_pixel = sdl_pf->BitsPerPixel;
144 qemu_pf.bytes_per_pixel = sdl_pf->BytesPerPixel;
145 qemu_pf.depth = (qemu_pf.bits_per_pixel) == 32 ? 24 : (qemu_pf.bits_per_pixel);
147 qemu_pf.rmask = sdl_pf->Rmask;
148 qemu_pf.gmask = sdl_pf->Gmask;
149 qemu_pf.bmask = sdl_pf->Bmask;
150 qemu_pf.amask = sdl_pf->Amask;
152 qemu_pf.rshift = sdl_pf->Rshift;
153 qemu_pf.gshift = sdl_pf->Gshift;
154 qemu_pf.bshift = sdl_pf->Bshift;
155 qemu_pf.ashift = sdl_pf->Ashift;
157 qemu_pf.rbits = 8 - sdl_pf->Rloss;
158 qemu_pf.gbits = 8 - sdl_pf->Gloss;
159 qemu_pf.bbits = 8 - sdl_pf->Bloss;
160 qemu_pf.abits = 8 - sdl_pf->Aloss;
162 qemu_pf.rmax = ((1 << qemu_pf.rbits) - 1);
163 qemu_pf.gmax = ((1 << qemu_pf.gbits) - 1);
164 qemu_pf.bmax = ((1 << qemu_pf.bbits) - 1);
165 qemu_pf.amax = ((1 << qemu_pf.abits) - 1);
170 static DisplaySurface* sdl_create_displaysurface(int width, int height)
172 DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
173 if (surface == NULL) {
174 fprintf(stderr, "sdl_create_displaysurface: malloc failed\n");
178 surface->width = width;
179 surface->height = height;
181 if (scaling_active) {
184 if (host_format.BytesPerPixel != 2 && host_format.BytesPerPixel != 4) {
185 linesize = width * 4;
186 pf = qemu_default_pixelformat(32);
188 linesize = width * host_format.BytesPerPixel;
189 pf = sdl_to_qemu_pixelformat(&host_format);
191 qemu_alloc_display(surface, width, height, linesize, pf, 0);
195 if (host_format.BitsPerPixel == 16)
196 do_sdl_resize(width, height, 16);
198 do_sdl_resize(width, height, 32);
200 surface->pf = sdl_to_qemu_pixelformat(real_screen->format);
201 surface->linesize = real_screen->pitch;
202 surface->data = real_screen->pixels;
204 #ifdef HOST_WORDS_BIGENDIAN
205 surface->flags = QEMU_REALPIXELS_FLAG | QEMU_BIG_ENDIAN_FLAG;
207 surface->flags = QEMU_REALPIXELS_FLAG;
214 static void sdl_free_displaysurface(DisplaySurface *surface)
220 if (surface->flags & QEMU_ALLOCATED_FLAG)
221 qemu_free(surface->data);
225 static DisplaySurface* sdl_resize_displaysurface(DisplaySurface *surface, int width, int height)
227 sdl_free_displaysurface(surface);
228 return sdl_create_displaysurface(width, height);
231 /* generic keyboard conversion */
233 #include "sdl_keysym.h"
235 static kbd_layout_t *kbd_layout = NULL;
237 static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
240 /* workaround for X11+SDL bug with AltGR */
241 keysym = ev->keysym.sym;
242 if (keysym == 0 && ev->keysym.scancode == 113)
244 /* For Japanese key '\' and '|' */
245 if (keysym == 92 && ev->keysym.scancode == 133) {
248 return keysym2scancode(kbd_layout, keysym) & SCANCODE_KEYMASK;
251 /* specific keyboard conversions from scan codes */
255 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
257 return ev->keysym.scancode;
262 #if defined(SDL_VIDEO_DRIVER_X11)
263 #include <X11/XKBlib.h>
265 static int check_for_evdev(void)
268 XkbDescPtr desc = NULL;
270 char *keycodes = NULL;
272 SDL_VERSION(&info.version);
273 if (!SDL_GetWMInfo(&info)) {
276 desc = XkbGetKeyboard(info.info.x11.display,
277 XkbGBN_AllComponentsMask,
279 if (desc && desc->names) {
280 keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes);
281 if (keycodes == NULL) {
282 fprintf(stderr, "could not lookup keycode name\n");
283 } else if (strstart(keycodes, "evdev", NULL)) {
285 } else if (!strstart(keycodes, "xfree86", NULL)) {
286 fprintf(stderr, "unknown keycodes `%s', please report to "
292 XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
300 static int check_for_evdev(void)
306 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
309 static int has_evdev = -1;
312 has_evdev = check_for_evdev();
314 keycode = ev->keysym.scancode;
318 } else if (keycode < 97) {
319 keycode -= 8; /* just an offset */
320 } else if (keycode < 158) {
321 /* use conversion table */
323 keycode = translate_evdev_keycode(keycode - 97);
325 keycode = translate_xfree86_keycode(keycode - 97);
326 } else if (keycode == 208) { /* Hiragana_Katakana */
328 } else if (keycode == 211) { /* backslash */
338 static void reset_keys(void)
341 for(i = 0; i < 256; i++) {
342 if (modifiers_state[i]) {
343 if (i & SCANCODE_GREY)
344 kbd_put_keycode(SCANCODE_EMUL0);
345 kbd_put_keycode(i | SCANCODE_UP);
346 modifiers_state[i] = 0;
351 static void sdl_process_key(SDL_KeyboardEvent *ev)
355 if (ev->keysym.sym == SDLK_PAUSE) {
358 if (ev->type == SDL_KEYUP)
360 kbd_put_keycode(0xe1);
361 kbd_put_keycode(0x1d | v);
362 kbd_put_keycode(0x45 | v);
367 keycode = sdl_keyevent_to_keycode_generic(ev);
369 keycode = sdl_keyevent_to_keycode(ev);
374 /* sent when leaving window: reset the modifiers state */
377 case 0x2a: /* Left Shift */
378 case 0x36: /* Right Shift */
379 case 0x1d: /* Left CTRL */
380 case 0x9d: /* Right CTRL */
381 case 0x38: /* Left ALT */
382 case 0xb8: /* Right ALT */
383 if (ev->type == SDL_KEYUP)
384 modifiers_state[keycode] = 0;
386 modifiers_state[keycode] = 1;
388 #define QEMU_SDL_VERSION ((SDL_MAJOR_VERSION << 8) + SDL_MINOR_VERSION)
389 #if QEMU_SDL_VERSION < 0x102 || QEMU_SDL_VERSION == 0x102 && SDL_PATCHLEVEL < 14
390 /* SDL versions before 1.2.14 don't support key up for caps/num lock. */
391 case 0x45: /* num lock */
392 case 0x3a: /* caps lock */
393 /* SDL does not send the key up event, so we generate it */
394 kbd_put_keycode(keycode);
395 kbd_put_keycode(keycode | SCANCODE_UP);
400 /* now send the key code */
401 if (keycode & SCANCODE_GREY)
402 kbd_put_keycode(SCANCODE_EMUL0);
403 if (ev->type == SDL_KEYUP)
404 kbd_put_keycode(keycode | SCANCODE_UP);
406 kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK);
409 static void sdl_update_caption(void)
411 char win_title[1024];
412 char icon_title[1024];
413 const char *status = "";
416 status = " [Stopped]";
419 status = " - Press Ctrl-Alt-Shift to exit mouse grab";
421 status = " - Press Right-Ctrl to exit mouse grab";
423 status = " - Press Ctrl-Alt to exit mouse grab";
427 snprintf(win_title, sizeof(win_title), "QEMU (%s)%s", qemu_name, status);
428 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
430 snprintf(win_title, sizeof(win_title), "QEMU%s", status);
431 snprintf(icon_title, sizeof(icon_title), "QEMU");
434 SDL_WM_SetCaption(win_title, icon_title);
437 static void sdl_hide_cursor(void)
442 if (kbd_mouse_is_absolute()) {
444 SDL_SetCursor(sdl_cursor_hidden);
450 static void sdl_show_cursor(void)
455 if (!kbd_mouse_is_absolute() || !is_graphic_console()) {
458 (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
459 SDL_SetCursor(guest_sprite);
461 SDL_SetCursor(sdl_cursor_normal);
465 static void sdl_grab_start(void)
468 SDL_SetCursor(guest_sprite);
469 if (!kbd_mouse_is_absolute() && !absolute_enabled)
470 SDL_WarpMouse(guest_x, guest_y);
474 if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) {
476 sdl_update_caption();
481 static void sdl_grab_end(void)
483 SDL_WM_GrabInput(SDL_GRAB_OFF);
486 sdl_update_caption();
489 static void sdl_mouse_mode_change(Notifier *notify, void *data)
491 if (kbd_mouse_is_absolute()) {
492 if (!absolute_enabled) {
494 absolute_enabled = 1;
496 } else if (absolute_enabled) {
498 absolute_enabled = 0;
502 static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)
506 if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
507 buttons |= MOUSE_EVENT_LBUTTON;
508 if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
509 buttons |= MOUSE_EVENT_RBUTTON;
510 if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
511 buttons |= MOUSE_EVENT_MBUTTON;
513 if (kbd_mouse_is_absolute()) {
514 dx = x * 0x7FFF / (width - 1);
515 dy = y * 0x7FFF / (height - 1);
516 } else if (guest_cursor) {
525 kbd_mouse_event(dx, dy, dz, buttons);
528 static void sdl_scale(DisplayState *ds, int width, int height)
530 int bpp = real_screen->format->BitsPerPixel;
532 if (bpp != 16 && bpp != 32) {
535 do_sdl_resize(width, height, bpp);
537 if (!is_buffer_shared(ds->surface)) {
538 ds->surface = qemu_resize_displaysurface(ds, ds_get_width(ds),
544 static void toggle_full_screen(DisplayState *ds)
546 gui_fullscreen = !gui_fullscreen;
547 if (gui_fullscreen) {
548 gui_saved_width = real_screen->w;
549 gui_saved_height = real_screen->h;
550 gui_saved_scaling = scaling_active;
552 do_sdl_resize(ds_get_width(ds), ds_get_height(ds),
553 ds_get_bits_per_pixel(ds));
556 gui_saved_grab = gui_grab;
559 if (gui_saved_scaling) {
560 sdl_scale(ds, gui_saved_width, gui_saved_height);
562 do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);
564 if (!gui_saved_grab || !is_graphic_console()) {
572 static void absolute_mouse_grab(void)
574 int mouse_x, mouse_y;
576 if (SDL_GetAppState() & SDL_APPINPUTFOCUS) {
577 SDL_GetMouseState(&mouse_x, &mouse_y);
578 if (mouse_x > 0 && mouse_x < real_screen->w - 1 &&
579 mouse_y > 0 && mouse_y < real_screen->h - 1) {
585 static void sdl_refresh(DisplayState *ds)
587 SDL_Event ev1, *ev = &ev1;
589 int buttonstate = SDL_GetMouseState(NULL, NULL);
591 if (last_vm_running != vm_running) {
592 last_vm_running = vm_running;
593 sdl_update_caption();
597 SDL_EnableUNICODE(!is_graphic_console());
599 while (SDL_PollEvent(ev)) {
601 case SDL_VIDEOEXPOSE:
602 sdl_update(ds, 0, 0, real_screen->w, real_screen->h);
606 if (ev->type == SDL_KEYDOWN) {
608 mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
609 (gui_grab_code | KMOD_LSHIFT);
610 } else if (ctrl_grab) {
611 mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL;
613 mod_state = (SDL_GetModState() & gui_grab_code) ==
616 gui_key_modifier_pressed = mod_state;
617 if (gui_key_modifier_pressed) {
619 keycode = sdl_keyevent_to_keycode(&ev->key);
621 case 0x21: /* 'f' key on US keyboard */
622 toggle_full_screen(ds);
625 case 0x16: /* 'u' key on US keyboard */
626 if (scaling_active) {
634 case 0x02 ... 0x0a: /* '1' to '9' keys */
635 /* Reset the modifiers sent to the current console */
637 console_select(keycode - 0x02);
639 if (gui_fullscreen) {
642 if (!is_graphic_console()) {
643 /* release grab if going to a text console */
646 } else if (absolute_enabled) {
649 } else if (absolute_enabled) {
651 absolute_mouse_grab();
657 } else if (!is_graphic_console()) {
660 if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
661 switch(ev->key.keysym.sym) {
662 case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
663 case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
664 case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
665 case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
666 case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
667 case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
668 case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
669 case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
673 switch(ev->key.keysym.sym) {
674 case SDLK_UP: keysym = QEMU_KEY_UP; break;
675 case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
676 case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
677 case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
678 case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
679 case SDLK_END: keysym = QEMU_KEY_END; break;
680 case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
681 case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
682 case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;
683 case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
688 kbd_put_keysym(keysym);
689 } else if (ev->key.keysym.unicode != 0) {
690 kbd_put_keysym(ev->key.keysym.unicode);
693 } else if (ev->type == SDL_KEYUP) {
695 mod_state = (ev->key.keysym.mod & gui_grab_code);
697 mod_state = (ev->key.keysym.mod &
698 (gui_grab_code | KMOD_LSHIFT));
701 if (gui_key_modifier_pressed) {
702 gui_key_modifier_pressed = 0;
703 if (gui_keysym == 0) {
704 /* exit/enter grab if pressing Ctrl-Alt */
706 /* if the application is not active,
707 do not try to enter grab state. It
709 'SDL_WM_GrabInput(SDL_GRAB_ON)'
710 from blocking all the application
712 if (is_graphic_console() &&
713 SDL_GetAppState() & SDL_APPACTIVE) {
716 } else if (!gui_fullscreen) {
719 /* SDL does not send back all the
720 modifiers key, so we must correct it */
728 if (is_graphic_console() && !gui_keysym)
729 sdl_process_key(&ev->key);
734 qemu_system_shutdown_request();
737 case SDL_MOUSEMOTION:
738 if (is_graphic_console() &&
739 (kbd_mouse_is_absolute() || absolute_enabled)) {
740 int max_x = real_screen->w - 1;
741 int max_y = real_screen->h - 1;
744 (ev->motion.x == 0 || ev->motion.y == 0 ||
745 ev->motion.x == max_x || ev->motion.y == max_y)) {
748 if (!gui_grab && SDL_GetAppState() & SDL_APPINPUTFOCUS &&
749 (ev->motion.x > 0 && ev->motion.x < max_x &&
750 ev->motion.y > 0 && ev->motion.y < max_y)) {
754 if (gui_grab || kbd_mouse_is_absolute() ||
756 sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
757 ev->motion.x, ev->motion.y, ev->motion.state);
760 case SDL_MOUSEBUTTONDOWN:
761 case SDL_MOUSEBUTTONUP:
762 if (is_graphic_console()) {
763 SDL_MouseButtonEvent *bev = &ev->button;
764 if (!gui_grab && !kbd_mouse_is_absolute()) {
765 if (ev->type == SDL_MOUSEBUTTONDOWN &&
766 (bev->button == SDL_BUTTON_LEFT)) {
767 /* start grabbing all events */
773 if (ev->type == SDL_MOUSEBUTTONDOWN) {
774 buttonstate |= SDL_BUTTON(bev->button);
776 buttonstate &= ~SDL_BUTTON(bev->button);
778 #ifdef SDL_BUTTON_WHEELUP
779 if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
781 } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
785 sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
789 case SDL_ACTIVEEVENT:
790 if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
791 !ev->active.gain && !gui_fullscreen) {
794 if (!gui_grab && ev->active.gain && is_graphic_console() &&
795 (kbd_mouse_is_absolute() || absolute_enabled)) {
796 absolute_mouse_grab();
798 if (ev->active.state & SDL_APPACTIVE) {
799 if (ev->active.gain) {
800 /* Back to default interval */
801 dcl->gui_timer_interval = 0;
804 /* Sleeping interval */
805 dcl->gui_timer_interval = 500;
810 case SDL_VIDEORESIZE:
811 sdl_scale(ds, ev->resize.w, ev->resize.h);
821 static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)
823 SDL_Rect dst = { x, y, w, h };
824 SDL_FillRect(real_screen, &dst, c);
827 static void sdl_mouse_warp(int x, int y, int on)
832 if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
833 SDL_SetCursor(guest_sprite);
834 if (!kbd_mouse_is_absolute() && !absolute_enabled)
840 guest_x = x, guest_y = y;
843 static void sdl_mouse_define(QEMUCursor *c)
845 uint8_t *image, *mask;
849 SDL_FreeCursor(guest_sprite);
851 bpl = cursor_get_mono_bpl(c);
852 image = qemu_mallocz(bpl * c->height);
853 mask = qemu_mallocz(bpl * c->height);
854 cursor_get_mono_image(c, 0x000000, image);
855 cursor_get_mono_mask(c, 0, mask);
856 guest_sprite = SDL_CreateCursor(image, mask, c->width, c->height,
862 (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
863 SDL_SetCursor(guest_sprite);
866 static void sdl_cleanup(void)
869 SDL_FreeCursor(guest_sprite);
870 SDL_QuitSubSystem(SDL_INIT_VIDEO);
873 void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
877 DisplayAllocator *da;
878 const SDL_VideoInfo *vi;
881 #if defined(__APPLE__)
882 /* always use generic keymaps */
883 if (!keyboard_layout)
884 keyboard_layout = "en-us";
886 if(keyboard_layout) {
887 kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
896 setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0);
899 /* on Linux, SDL may use fbcon|directfb|svgalib when run without
900 * accessible $DISPLAY to open X11 window. This is often the case
901 * when qemu is run using sudo. But in this case, and when actually
902 * run in X11 environment, SDL fights with X11 for the video card,
903 * making current display unavailable, often until reboot.
904 * So make x11 the default SDL video driver if this variable is unset.
905 * This is a bit hackish but saves us from bigger problem.
906 * Maybe it's a good idea to fix this in SDL instead.
908 setenv("SDL_VIDEODRIVER", "x11", 0);
911 /* Enable normal up/down events for Caps-Lock and Num-Lock keys.
912 * This requires SDL >= 1.2.14. */
913 setenv("SDL_DISABLE_LOCK_KEYS", "1", 1);
915 flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
916 if (SDL_Init (flags)) {
917 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
921 vi = SDL_GetVideoInfo();
922 host_format = *(vi->vfmt);
924 /* Load a 32x32x4 image. White pixels are transparent. */
925 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
927 SDL_Surface *image = SDL_LoadBMP(filename);
929 uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255);
930 SDL_SetColorKey(image, SDL_SRCCOLORKEY, colorkey);
931 SDL_WM_SetIcon(image, NULL);
941 dcl = qemu_mallocz(sizeof(DisplayChangeListener));
942 dcl->dpy_update = sdl_update;
943 dcl->dpy_resize = sdl_resize;
944 dcl->dpy_refresh = sdl_refresh;
945 dcl->dpy_setdata = sdl_setdata;
946 dcl->dpy_fill = sdl_fill;
947 ds->mouse_set = sdl_mouse_warp;
948 ds->cursor_define = sdl_mouse_define;
949 register_displaychangelistener(ds, dcl);
951 da = qemu_mallocz(sizeof(DisplayAllocator));
952 da->create_displaysurface = sdl_create_displaysurface;
953 da->resize_displaysurface = sdl_resize_displaysurface;
954 da->free_displaysurface = sdl_free_displaysurface;
955 if (register_displayallocator(ds, da) == da) {
959 mouse_mode_notifier.notify = sdl_mouse_mode_change;
960 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
962 sdl_update_caption();
963 SDL_EnableKeyRepeat(250, 50);
966 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
967 sdl_cursor_normal = SDL_GetCursor();