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
28 #include "qemu/osdep.h"
30 #include <SDL_syswm.h>
32 #include "qemu-common.h"
33 #include "qemu/cutils.h"
34 #include "ui/console.h"
36 #include "sysemu/sysemu.h"
42 static DisplayChangeListener *dcl;
43 static DisplaySurface *surface;
44 static DisplayOptions *opts;
45 static SDL_Surface *real_screen;
46 static SDL_Surface *guest_screen = NULL;
47 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
48 static int last_vm_running;
49 static bool gui_saved_scaling;
50 static int gui_saved_width;
51 static int gui_saved_height;
52 static int gui_saved_grab;
53 static int gui_fullscreen;
54 static int gui_key_modifier_pressed;
55 static int gui_keysym;
56 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
57 static uint8_t modifiers_state[256];
58 static SDL_Cursor *sdl_cursor_normal;
59 static SDL_Cursor *sdl_cursor_hidden;
60 static int absolute_enabled = 0;
61 static int guest_cursor = 0;
62 static int guest_x, guest_y;
63 static SDL_Cursor *guest_sprite = NULL;
64 static SDL_PixelFormat host_format;
65 static int scaling_active = 0;
66 static Notifier mouse_mode_notifier;
67 static int idle_counter;
68 static const guint16 *keycode_map;
69 static size_t keycode_maplen;
71 #define SDL_REFRESH_INTERVAL_BUSY 10
72 #define SDL_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \
73 / SDL_REFRESH_INTERVAL_BUSY + 1)
79 static void sdl_update(DisplayChangeListener *dcl,
80 int x, int y, int w, int h)
89 printf("SDL: Updating x=%d y=%d w=%d h=%d (scaling: %d)\n",
90 x, y, w, h, scaling_active);
94 if (!scaling_active) {
95 SDL_BlitSurface(guest_screen, &rec, real_screen, &rec);
97 if (sdl_zoom_blit(guest_screen, real_screen, SMOOTHING_ON, &rec) < 0) {
98 fprintf(stderr, "Zoom blit failed\n");
103 SDL_UpdateRect(real_screen, rec.x, rec.y, rec.w, rec.h);
106 static void do_sdl_resize(int width, int height, int bpp)
109 SDL_Surface *tmp_screen;
112 printf("SDL: Resizing to %dx%d bpp %d\n", width, height, bpp);
115 flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL;
116 if (gui_fullscreen) {
117 flags |= SDL_FULLSCREEN;
119 flags |= SDL_RESIZABLE;
122 flags |= SDL_NOFRAME;
125 tmp_screen = SDL_SetVideoMode(width, height, bpp, flags);
128 fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n",
129 width, height, bpp, SDL_GetError());
134 * Revert to the previous video mode if the change of resizing or
138 fprintf(stderr, "Failed to set SDL display (%dx%dx%d): %s\n",
139 width, height, bpp, SDL_GetError());
144 real_screen = tmp_screen;
147 static void sdl_switch(DisplayChangeListener *dcl,
148 DisplaySurface *new_surface)
152 /* temporary hack: allows to call sdl_switch to handle scaling changes */
154 surface = new_surface;
156 pf = qemu_pixelformat_from_pixman(surface->format);
158 if (!scaling_active) {
159 do_sdl_resize(surface_width(surface), surface_height(surface), 0);
160 } else if (real_screen->format->BitsPerPixel !=
161 surface_bits_per_pixel(surface)) {
162 do_sdl_resize(real_screen->w, real_screen->h,
163 surface_bits_per_pixel(surface));
166 if (guest_screen != NULL) {
167 SDL_FreeSurface(guest_screen);
171 printf("SDL: Creating surface with masks: %08x %08x %08x %08x\n",
172 pf.rmask, pf.gmask, pf.bmask, pf.amask);
175 guest_screen = SDL_CreateRGBSurfaceFrom
176 (surface_data(surface),
177 surface_width(surface), surface_height(surface),
178 surface_bits_per_pixel(surface), surface_stride(surface),
183 static bool sdl_check_format(DisplayChangeListener *dcl,
184 pixman_format_code_t format)
187 * We let SDL convert for us a few more formats than,
188 * the native ones. Thes are the ones I have tested.
190 return (format == PIXMAN_x8r8g8b8 ||
191 format == PIXMAN_b8g8r8x8 ||
192 format == PIXMAN_x1r5g5b5 ||
193 format == PIXMAN_r5g6b5);
196 /* generic keyboard conversion */
198 #include "sdl_keysym.h"
200 static kbd_layout_t *kbd_layout = NULL;
202 static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
204 bool shift = modifiers_state[0x2a] || modifiers_state[0x36];
205 bool altgr = modifiers_state[0xb8];
206 bool ctrl = modifiers_state[0x1d] || modifiers_state[0x9d];
208 /* workaround for X11+SDL bug with AltGR */
209 keysym = ev->keysym.sym;
210 if (keysym == 0 && ev->keysym.scancode == 113)
212 /* For Japanese key '\' and '|' */
213 if (keysym == 92 && ev->keysym.scancode == 133) {
216 return keysym2scancode(kbd_layout, keysym,
217 shift, altgr, ctrl) & SCANCODE_KEYMASK;
221 static const guint16 *sdl_get_keymap(size_t *maplen)
224 *maplen = qemu_input_map_atset1_to_qcode_len;
225 return qemu_input_map_atset1_to_qcode;
227 #if defined(SDL_VIDEO_DRIVER_X11)
230 SDL_VERSION(&info.version);
231 if (SDL_GetWMInfo(&info) > 0) {
232 return qemu_xkeymap_mapping_table(
233 info.info.x11.display, maplen);
236 g_warning("Unsupported SDL video driver / platform.\n"
237 "Assuming Linux KBD scancodes, but probably wrong.\n"
239 "including the following information:\n"
241 " - Operating system\n"
242 " - SDL video driver\n");
243 *maplen = qemu_input_map_xorgkbd_to_qcode_len;
244 return qemu_input_map_xorgkbd_to_qcode;
248 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
254 if (ev->keysym.scancode > keycode_maplen) {
258 qcode = keycode_map[ev->keysym.scancode];
260 if (qcode > qemu_input_map_qcode_to_qnum_len) {
264 return qemu_input_map_qcode_to_qnum[qcode];
267 static void reset_keys(void)
270 for(i = 0; i < 256; i++) {
271 if (modifiers_state[i]) {
272 qemu_input_event_send_key_number(dcl->con, i, false);
273 modifiers_state[i] = 0;
278 static void sdl_process_key(SDL_KeyboardEvent *ev)
282 if (ev->keysym.sym == SDLK_PAUSE) {
284 qemu_input_event_send_key_qcode(dcl->con, Q_KEY_CODE_PAUSE,
285 ev->type == SDL_KEYDOWN);
290 keycode = sdl_keyevent_to_keycode_generic(ev);
292 keycode = sdl_keyevent_to_keycode(ev);
297 /* sent when leaving window: reset the modifiers state */
300 case 0x2a: /* Left Shift */
301 case 0x36: /* Right Shift */
302 case 0x1d: /* Left CTRL */
303 case 0x9d: /* Right CTRL */
304 case 0x38: /* Left ALT */
305 case 0xb8: /* Right ALT */
306 if (ev->type == SDL_KEYUP)
307 modifiers_state[keycode] = 0;
309 modifiers_state[keycode] = 1;
311 #define QEMU_SDL_VERSION ((SDL_MAJOR_VERSION << 8) + SDL_MINOR_VERSION)
312 #if QEMU_SDL_VERSION < 0x102 || QEMU_SDL_VERSION == 0x102 && SDL_PATCHLEVEL < 14
313 /* SDL versions before 1.2.14 don't support key up for caps/num lock. */
314 case 0x45: /* num lock */
315 case 0x3a: /* caps lock */
316 /* SDL does not send the key up event, so we generate it */
317 qemu_input_event_send_key_number(dcl->con, keycode, true);
318 qemu_input_event_send_key_number(dcl->con, keycode, false);
323 /* now send the key code */
324 qemu_input_event_send_key_number(dcl->con, keycode,
325 ev->type == SDL_KEYDOWN);
328 static void sdl_update_caption(void)
330 char win_title[1024];
331 char icon_title[1024];
332 const char *status = "";
334 if (!runstate_is_running())
335 status = " [Stopped]";
338 status = " - Press Ctrl-Alt-Shift-G to exit mouse grab";
340 status = " - Press Right-Ctrl-G to exit mouse grab";
342 status = " - Press Ctrl-Alt-G to exit mouse grab";
346 snprintf(win_title, sizeof(win_title), "QEMU (%s)%s", qemu_name, status);
347 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
349 snprintf(win_title, sizeof(win_title), "QEMU%s", status);
350 snprintf(icon_title, sizeof(icon_title), "QEMU");
353 SDL_WM_SetCaption(win_title, icon_title);
356 static void sdl_hide_cursor(void)
361 if (qemu_input_is_absolute()) {
363 SDL_SetCursor(sdl_cursor_hidden);
369 static void sdl_show_cursor(void)
374 if (!qemu_input_is_absolute() || !qemu_console_is_graphic(NULL)) {
377 (gui_grab || qemu_input_is_absolute() || absolute_enabled))
378 SDL_SetCursor(guest_sprite);
380 SDL_SetCursor(sdl_cursor_normal);
384 static void sdl_grab_start(void)
387 * If the application is not active, do not try to enter grab state. This
388 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the
389 * application (SDL bug).
391 if (!(SDL_GetAppState() & SDL_APPINPUTFOCUS)) {
395 SDL_SetCursor(guest_sprite);
396 if (!qemu_input_is_absolute() && !absolute_enabled) {
397 SDL_WarpMouse(guest_x, guest_y);
401 SDL_WM_GrabInput(SDL_GRAB_ON);
403 sdl_update_caption();
406 static void sdl_grab_end(void)
408 SDL_WM_GrabInput(SDL_GRAB_OFF);
411 sdl_update_caption();
414 static void absolute_mouse_grab(void)
416 int mouse_x, mouse_y;
418 SDL_GetMouseState(&mouse_x, &mouse_y);
419 if (mouse_x > 0 && mouse_x < real_screen->w - 1 &&
420 mouse_y > 0 && mouse_y < real_screen->h - 1) {
425 static void sdl_mouse_mode_change(Notifier *notify, void *data)
427 if (qemu_input_is_absolute()) {
428 if (!absolute_enabled) {
429 absolute_enabled = 1;
430 if (qemu_console_is_graphic(NULL)) {
431 absolute_mouse_grab();
434 } else if (absolute_enabled) {
435 if (!gui_fullscreen) {
438 absolute_enabled = 0;
442 static void sdl_send_mouse_event(int dx, int dy, int x, int y, int state)
444 static uint32_t bmap[INPUT_BUTTON__MAX] = {
445 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT),
446 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE),
447 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT),
448 [INPUT_BUTTON_WHEEL_UP] = SDL_BUTTON(SDL_BUTTON_WHEELUP),
449 [INPUT_BUTTON_WHEEL_DOWN] = SDL_BUTTON(SDL_BUTTON_WHEELDOWN),
451 static uint32_t prev_state;
453 if (prev_state != state) {
454 qemu_input_update_buttons(dcl->con, bmap, prev_state, state);
458 if (qemu_input_is_absolute()) {
459 qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, x,
461 qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, y,
472 qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, dx);
473 qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, dy);
475 qemu_input_event_sync();
478 static void sdl_scale(int width, int height)
480 int bpp = real_screen->format->BitsPerPixel;
483 printf("SDL: Scaling to %dx%d bpp %d\n", width, height, bpp);
486 if (bpp != 16 && bpp != 32) {
489 do_sdl_resize(width, height, bpp);
493 static void toggle_full_screen(void)
495 int width = surface_width(surface);
496 int height = surface_height(surface);
497 int bpp = surface_bits_per_pixel(surface);
499 gui_fullscreen = !gui_fullscreen;
500 if (gui_fullscreen) {
501 gui_saved_width = real_screen->w;
502 gui_saved_height = real_screen->h;
503 gui_saved_scaling = scaling_active;
505 do_sdl_resize(width, height, bpp);
508 gui_saved_grab = gui_grab;
511 if (gui_saved_scaling) {
512 sdl_scale(gui_saved_width, gui_saved_height);
514 do_sdl_resize(width, height, 0);
516 if (!gui_saved_grab || !qemu_console_is_graphic(NULL)) {
520 graphic_hw_invalidate(NULL);
521 graphic_hw_update(NULL);
524 static void handle_keydown(SDL_Event *ev)
530 mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
531 (gui_grab_code | KMOD_LSHIFT);
532 } else if (ctrl_grab) {
533 mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL;
535 mod_state = (SDL_GetModState() & gui_grab_code) == gui_grab_code;
537 gui_key_modifier_pressed = mod_state;
539 if (gui_key_modifier_pressed) {
540 keycode = sdl_keyevent_to_keycode(&ev->key);
542 case 0x21: /* 'f' key on US keyboard */
543 toggle_full_screen();
546 case 0x22: /* 'g' key */
548 if (qemu_console_is_graphic(NULL)) {
551 } else if (!gui_fullscreen) {
556 case 0x16: /* 'u' key on US keyboard */
557 if (scaling_active) {
559 sdl_switch(dcl, NULL);
560 graphic_hw_invalidate(NULL);
561 graphic_hw_update(NULL);
565 case 0x02 ... 0x0a: /* '1' to '9' keys */
566 /* Reset the modifiers sent to the current console */
568 console_select(keycode - 0x02);
570 if (gui_fullscreen) {
573 if (!qemu_console_is_graphic(NULL)) {
574 /* release grab if going to a text console */
577 } else if (absolute_enabled) {
580 } else if (absolute_enabled) {
582 absolute_mouse_grab();
587 if (!gui_fullscreen) {
588 int width = MAX(real_screen->w + (keycode == 0x1b ? 50 : -50),
590 int height = (surface_height(surface) * width) /
591 surface_width(surface);
593 sdl_scale(width, height);
594 graphic_hw_invalidate(NULL);
595 graphic_hw_update(NULL);
601 } else if (!qemu_console_is_graphic(NULL)) {
604 if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
605 switch (ev->key.keysym.sym) {
607 keysym = QEMU_KEY_CTRL_UP;
610 keysym = QEMU_KEY_CTRL_DOWN;
613 keysym = QEMU_KEY_CTRL_LEFT;
616 keysym = QEMU_KEY_CTRL_RIGHT;
619 keysym = QEMU_KEY_CTRL_HOME;
622 keysym = QEMU_KEY_CTRL_END;
625 keysym = QEMU_KEY_CTRL_PAGEUP;
628 keysym = QEMU_KEY_CTRL_PAGEDOWN;
634 switch (ev->key.keysym.sym) {
636 keysym = QEMU_KEY_UP;
639 keysym = QEMU_KEY_DOWN;
642 keysym = QEMU_KEY_LEFT;
645 keysym = QEMU_KEY_RIGHT;
648 keysym = QEMU_KEY_HOME;
651 keysym = QEMU_KEY_END;
654 keysym = QEMU_KEY_PAGEUP;
657 keysym = QEMU_KEY_PAGEDOWN;
660 keysym = QEMU_KEY_BACKSPACE;
663 keysym = QEMU_KEY_DELETE;
670 kbd_put_keysym(keysym);
671 } else if (ev->key.keysym.unicode != 0) {
672 kbd_put_keysym(ev->key.keysym.unicode);
675 if (qemu_console_is_graphic(NULL) && !gui_keysym) {
676 sdl_process_key(&ev->key);
680 static void handle_keyup(SDL_Event *ev)
685 mod_state = (ev->key.keysym.mod & gui_grab_code);
687 mod_state = (ev->key.keysym.mod & (gui_grab_code | KMOD_LSHIFT));
689 if (!mod_state && gui_key_modifier_pressed) {
690 gui_key_modifier_pressed = 0;
693 if (qemu_console_is_graphic(NULL) && !gui_keysym) {
694 sdl_process_key(&ev->key);
698 static void handle_mousemotion(SDL_Event *ev)
702 if (qemu_console_is_graphic(NULL) &&
703 (qemu_input_is_absolute() || absolute_enabled)) {
704 max_x = real_screen->w - 1;
705 max_y = real_screen->h - 1;
706 if (gui_grab && (ev->motion.x == 0 || ev->motion.y == 0 ||
707 ev->motion.x == max_x || ev->motion.y == max_y)) {
711 (ev->motion.x > 0 && ev->motion.x < max_x &&
712 ev->motion.y > 0 && ev->motion.y < max_y)) {
716 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
717 sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel,
718 ev->motion.x, ev->motion.y, ev->motion.state);
722 static void handle_mousebutton(SDL_Event *ev)
724 int buttonstate = SDL_GetMouseState(NULL, NULL);
725 SDL_MouseButtonEvent *bev;
727 if (!qemu_console_is_graphic(NULL)) {
732 if (!gui_grab && !qemu_input_is_absolute()) {
733 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) {
734 /* start grabbing all events */
738 if (ev->type == SDL_MOUSEBUTTONDOWN) {
739 buttonstate |= SDL_BUTTON(bev->button);
741 buttonstate &= ~SDL_BUTTON(bev->button);
743 sdl_send_mouse_event(0, 0, bev->x, bev->y, buttonstate);
747 static void handle_activation(SDL_Event *ev)
750 /* Disable grab if the window no longer has the focus
751 * (Windows-only workaround) */
752 if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
753 !ev->active.gain && !gui_fullscreen) {
757 if (!gui_grab && ev->active.gain && qemu_console_is_graphic(NULL) &&
758 (qemu_input_is_absolute() || absolute_enabled)) {
759 absolute_mouse_grab();
761 if (ev->active.state & SDL_APPACTIVE) {
762 if (ev->active.gain) {
763 /* Back to default interval */
764 update_displaychangelistener(dcl, GUI_REFRESH_INTERVAL_DEFAULT);
766 /* Sleeping interval. Not using the long default here as
767 * sdl_refresh does not only update the guest screen, but
768 * also checks for gui events. */
769 update_displaychangelistener(dcl, 500);
774 static void sdl_refresh(DisplayChangeListener *dcl)
776 SDL_Event ev1, *ev = &ev1;
777 bool allow_close = true;
780 if (last_vm_running != runstate_is_running()) {
781 last_vm_running = runstate_is_running();
782 sdl_update_caption();
785 graphic_hw_update(NULL);
786 SDL_EnableUNICODE(!qemu_console_is_graphic(NULL));
788 while (SDL_PollEvent(ev)) {
790 case SDL_VIDEOEXPOSE:
791 sdl_update(dcl, 0, 0, real_screen->w, real_screen->h);
802 if (opts->has_window_close && !opts->window_close) {
807 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
810 case SDL_MOUSEMOTION:
812 handle_mousemotion(ev);
814 case SDL_MOUSEBUTTONDOWN:
815 case SDL_MOUSEBUTTONUP:
817 handle_mousebutton(ev);
819 case SDL_ACTIVEEVENT:
820 handle_activation(ev);
822 case SDL_VIDEORESIZE:
823 sdl_scale(ev->resize.w, ev->resize.h);
824 graphic_hw_invalidate(NULL);
825 graphic_hw_update(NULL);
833 if (idle_counter < SDL_MAX_IDLE_COUNT) {
835 if (idle_counter >= SDL_MAX_IDLE_COUNT) {
836 dcl->update_interval = GUI_REFRESH_INTERVAL_DEFAULT;
841 dcl->update_interval = SDL_REFRESH_INTERVAL_BUSY;
845 static void sdl_mouse_warp(DisplayChangeListener *dcl,
846 int x, int y, int on)
851 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
852 SDL_SetCursor(guest_sprite);
853 if (!qemu_input_is_absolute() && !absolute_enabled) {
860 guest_x = x, guest_y = y;
863 static void sdl_mouse_define(DisplayChangeListener *dcl,
866 uint8_t *image, *mask;
870 SDL_FreeCursor(guest_sprite);
872 bpl = cursor_get_mono_bpl(c);
873 image = g_malloc0(bpl * c->height);
874 mask = g_malloc0(bpl * c->height);
875 cursor_get_mono_image(c, 0x000000, image);
876 cursor_get_mono_mask(c, 0, mask);
877 guest_sprite = SDL_CreateCursor(image, mask, c->width, c->height,
883 (gui_grab || qemu_input_is_absolute() || absolute_enabled))
884 SDL_SetCursor(guest_sprite);
887 static void sdl_cleanup(void)
890 SDL_FreeCursor(guest_sprite);
891 SDL_QuitSubSystem(SDL_INIT_VIDEO);
894 static const DisplayChangeListenerOps dcl_ops = {
896 .dpy_gfx_update = sdl_update,
897 .dpy_gfx_switch = sdl_switch,
898 .dpy_gfx_check_format = sdl_check_format,
899 .dpy_refresh = sdl_refresh,
900 .dpy_mouse_set = sdl_mouse_warp,
901 .dpy_cursor_define = sdl_mouse_define,
904 static void sdl1_display_init(DisplayState *ds, DisplayOptions *o)
908 const SDL_VideoInfo *vi;
912 assert(o->type == DISPLAY_TYPE_SDL);
914 #if defined(__APPLE__)
915 /* always use generic keymaps */
916 if (!keyboard_layout)
917 keyboard_layout = "en-us";
919 if(keyboard_layout) {
920 kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
925 g_printerr("Running QEMU with SDL 1.2 is deprecated, and will be removed\n"
926 "in a future release. Please switch to SDL 2.0 instead\n");
928 if (opts->has_full_screen && opts->full_screen) {
929 setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0);
932 /* on Linux, SDL may use fbcon|directfb|svgalib when run without
933 * accessible $DISPLAY to open X11 window. This is often the case
934 * when qemu is run using sudo. But in this case, and when actually
935 * run in X11 environment, SDL fights with X11 for the video card,
936 * making current display unavailable, often until reboot.
937 * So make x11 the default SDL video driver if this variable is unset.
938 * This is a bit hackish but saves us from bigger problem.
939 * Maybe it's a good idea to fix this in SDL instead.
941 setenv("SDL_VIDEODRIVER", "x11", 0);
944 /* Enable normal up/down events for Caps-Lock and Num-Lock keys.
945 * This requires SDL >= 1.2.14. */
946 setenv("SDL_DISABLE_LOCK_KEYS", "1", 1);
948 flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
949 if (SDL_Init (flags)) {
950 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
954 vi = SDL_GetVideoInfo();
955 host_format = *(vi->vfmt);
957 keycode_map = sdl_get_keymap(&keycode_maplen);
959 /* Load a 32x32x4 image. White pixels are transparent. */
960 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
962 SDL_Surface *image = SDL_LoadBMP(filename);
964 uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255);
965 SDL_SetColorKey(image, SDL_SRCCOLORKEY, colorkey);
966 SDL_WM_SetIcon(image, NULL);
971 if (opts->has_full_screen && opts->full_screen) {
976 dcl = g_new0(DisplayChangeListener, 1);
978 register_displaychangelistener(dcl);
980 mouse_mode_notifier.notify = sdl_mouse_mode_change;
981 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
983 sdl_update_caption();
984 SDL_EnableKeyRepeat(250, 50);
987 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
988 sdl_cursor_normal = SDL_GetCursor();
990 memset(&info, 0, sizeof(info));
991 SDL_VERSION(&info.version);
992 if (SDL_GetWMInfo(&info)) {
995 /* All consoles share the same window */
996 QemuConsole *con = qemu_console_lookup_by_index(i);
998 #if defined(SDL_VIDEO_DRIVER_X11)
999 qemu_console_set_window_id(con, info.info.x11.wmwindow);
1000 #elif defined(SDL_VIDEO_DRIVER_NANOX) || \
1001 defined(SDL_VIDEO_DRIVER_WINDIB) || defined(SDL_VIDEO_DRIVER_DDRAW) || \
1002 defined(SDL_VIDEO_DRIVER_GAPI) || \
1003 defined(SDL_VIDEO_DRIVER_RISCOS)
1004 qemu_console_set_window_id(con, (int) (uintptr_t) info.window);
1006 qemu_console_set_window_id(con, info.data);
1014 atexit(sdl_cleanup);
1017 static QemuDisplay qemu_display_sdl1 = {
1018 .type = DISPLAY_TYPE_SDL,
1019 .init = sdl1_display_init,
1022 static void register_sdl1(void)
1024 qemu_display_register(&qemu_display_sdl1);
1027 type_init(register_sdl1);