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 "qapi/error.h"
33 #include "qemu-common.h"
34 #include "qemu/cutils.h"
35 #include "ui/console.h"
37 #include "sysemu/sysemu.h"
43 static DisplayChangeListener *dcl;
44 static DisplaySurface *surface;
45 static DisplayOptions *opts;
46 static SDL_Surface *real_screen;
47 static SDL_Surface *guest_screen = NULL;
48 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
49 static int last_vm_running;
50 static bool gui_saved_scaling;
51 static int gui_saved_width;
52 static int gui_saved_height;
53 static int gui_saved_grab;
54 static int gui_fullscreen;
55 static int gui_key_modifier_pressed;
56 static int gui_keysym;
57 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
58 static uint8_t modifiers_state[256];
59 static SDL_Cursor *sdl_cursor_normal;
60 static SDL_Cursor *sdl_cursor_hidden;
61 static int absolute_enabled = 0;
62 static int guest_cursor = 0;
63 static int guest_x, guest_y;
64 static SDL_Cursor *guest_sprite = NULL;
65 static SDL_PixelFormat host_format;
66 static int scaling_active = 0;
67 static Notifier mouse_mode_notifier;
68 static int idle_counter;
69 static const guint16 *keycode_map;
70 static size_t keycode_maplen;
72 #define SDL_REFRESH_INTERVAL_BUSY 10
73 #define SDL_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \
74 / SDL_REFRESH_INTERVAL_BUSY + 1)
80 static void sdl_update(DisplayChangeListener *dcl,
81 int x, int y, int w, int h)
90 printf("SDL: Updating x=%d y=%d w=%d h=%d (scaling: %d)\n",
91 x, y, w, h, scaling_active);
95 if (!scaling_active) {
96 SDL_BlitSurface(guest_screen, &rec, real_screen, &rec);
98 if (sdl_zoom_blit(guest_screen, real_screen, SMOOTHING_ON, &rec) < 0) {
99 fprintf(stderr, "Zoom blit failed\n");
104 SDL_UpdateRect(real_screen, rec.x, rec.y, rec.w, rec.h);
107 static void do_sdl_resize(int width, int height, int bpp)
110 SDL_Surface *tmp_screen;
113 printf("SDL: Resizing to %dx%d bpp %d\n", width, height, bpp);
116 flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL;
117 if (gui_fullscreen) {
118 flags |= SDL_FULLSCREEN;
120 flags |= SDL_RESIZABLE;
123 flags |= SDL_NOFRAME;
126 tmp_screen = SDL_SetVideoMode(width, height, bpp, flags);
129 fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n",
130 width, height, bpp, SDL_GetError());
135 * Revert to the previous video mode if the change of resizing or
139 fprintf(stderr, "Failed to set SDL display (%dx%dx%d): %s\n",
140 width, height, bpp, SDL_GetError());
145 real_screen = tmp_screen;
148 static void sdl_switch(DisplayChangeListener *dcl,
149 DisplaySurface *new_surface)
153 /* temporary hack: allows to call sdl_switch to handle scaling changes */
155 surface = new_surface;
157 pf = qemu_pixelformat_from_pixman(surface->format);
159 if (!scaling_active) {
160 do_sdl_resize(surface_width(surface), surface_height(surface), 0);
161 } else if (real_screen->format->BitsPerPixel !=
162 surface_bits_per_pixel(surface)) {
163 do_sdl_resize(real_screen->w, real_screen->h,
164 surface_bits_per_pixel(surface));
167 if (guest_screen != NULL) {
168 SDL_FreeSurface(guest_screen);
172 printf("SDL: Creating surface with masks: %08x %08x %08x %08x\n",
173 pf.rmask, pf.gmask, pf.bmask, pf.amask);
176 guest_screen = SDL_CreateRGBSurfaceFrom
177 (surface_data(surface),
178 surface_width(surface), surface_height(surface),
179 surface_bits_per_pixel(surface), surface_stride(surface),
184 static bool sdl_check_format(DisplayChangeListener *dcl,
185 pixman_format_code_t format)
188 * We let SDL convert for us a few more formats than,
189 * the native ones. Thes are the ones I have tested.
191 return (format == PIXMAN_x8r8g8b8 ||
192 format == PIXMAN_b8g8r8x8 ||
193 format == PIXMAN_x1r5g5b5 ||
194 format == PIXMAN_r5g6b5);
197 /* generic keyboard conversion */
199 #include "sdl_keysym.h"
201 static kbd_layout_t *kbd_layout = NULL;
203 static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
205 bool shift = modifiers_state[0x2a] || modifiers_state[0x36];
206 bool altgr = modifiers_state[0xb8];
207 bool ctrl = modifiers_state[0x1d] || modifiers_state[0x9d];
209 /* workaround for X11+SDL bug with AltGR */
210 keysym = ev->keysym.sym;
211 if (keysym == 0 && ev->keysym.scancode == 113)
213 /* For Japanese key '\' and '|' */
214 if (keysym == 92 && ev->keysym.scancode == 133) {
217 return keysym2scancode(kbd_layout, keysym,
218 shift, altgr, ctrl) & SCANCODE_KEYMASK;
222 static const guint16 *sdl_get_keymap(size_t *maplen)
225 *maplen = qemu_input_map_atset1_to_qcode_len;
226 return qemu_input_map_atset1_to_qcode;
228 #if defined(SDL_VIDEO_DRIVER_X11)
231 SDL_VERSION(&info.version);
232 if (SDL_GetWMInfo(&info) > 0) {
233 return qemu_xkeymap_mapping_table(
234 info.info.x11.display, maplen);
237 g_warning("Unsupported SDL video driver / platform.\n"
238 "Assuming Linux KBD scancodes, but probably wrong.\n"
240 "including the following information:\n"
242 " - Operating system\n"
243 " - SDL video driver\n");
244 *maplen = qemu_input_map_xorgkbd_to_qcode_len;
245 return qemu_input_map_xorgkbd_to_qcode;
249 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
255 if (ev->keysym.scancode > keycode_maplen) {
259 qcode = keycode_map[ev->keysym.scancode];
261 if (qcode > qemu_input_map_qcode_to_qnum_len) {
265 return qemu_input_map_qcode_to_qnum[qcode];
268 static void reset_keys(void)
271 for(i = 0; i < 256; i++) {
272 if (modifiers_state[i]) {
273 qemu_input_event_send_key_number(dcl->con, i, false);
274 modifiers_state[i] = 0;
279 static void sdl_process_key(SDL_KeyboardEvent *ev)
283 if (ev->keysym.sym == SDLK_PAUSE) {
285 qemu_input_event_send_key_qcode(dcl->con, Q_KEY_CODE_PAUSE,
286 ev->type == SDL_KEYDOWN);
291 keycode = sdl_keyevent_to_keycode_generic(ev);
293 keycode = sdl_keyevent_to_keycode(ev);
298 /* sent when leaving window: reset the modifiers state */
301 case 0x2a: /* Left Shift */
302 case 0x36: /* Right Shift */
303 case 0x1d: /* Left CTRL */
304 case 0x9d: /* Right CTRL */
305 case 0x38: /* Left ALT */
306 case 0xb8: /* Right ALT */
307 if (ev->type == SDL_KEYUP)
308 modifiers_state[keycode] = 0;
310 modifiers_state[keycode] = 1;
312 #define QEMU_SDL_VERSION ((SDL_MAJOR_VERSION << 8) + SDL_MINOR_VERSION)
313 #if QEMU_SDL_VERSION < 0x102 || QEMU_SDL_VERSION == 0x102 && SDL_PATCHLEVEL < 14
314 /* SDL versions before 1.2.14 don't support key up for caps/num lock. */
315 case 0x45: /* num lock */
316 case 0x3a: /* caps lock */
317 /* SDL does not send the key up event, so we generate it */
318 qemu_input_event_send_key_number(dcl->con, keycode, true);
319 qemu_input_event_send_key_number(dcl->con, keycode, false);
324 /* now send the key code */
325 qemu_input_event_send_key_number(dcl->con, keycode,
326 ev->type == SDL_KEYDOWN);
329 static void sdl_update_caption(void)
331 char win_title[1024];
332 char icon_title[1024];
333 const char *status = "";
335 if (!runstate_is_running())
336 status = " [Stopped]";
339 status = " - Press Ctrl-Alt-Shift-G to exit mouse grab";
341 status = " - Press Right-Ctrl-G to exit mouse grab";
343 status = " - Press Ctrl-Alt-G to exit mouse grab";
347 snprintf(win_title, sizeof(win_title), "QEMU (%s)%s", qemu_name, status);
348 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
350 snprintf(win_title, sizeof(win_title), "QEMU%s", status);
351 snprintf(icon_title, sizeof(icon_title), "QEMU");
354 SDL_WM_SetCaption(win_title, icon_title);
357 static void sdl_hide_cursor(void)
362 if (qemu_input_is_absolute()) {
364 SDL_SetCursor(sdl_cursor_hidden);
370 static void sdl_show_cursor(void)
375 if (!qemu_input_is_absolute() || !qemu_console_is_graphic(NULL)) {
378 (gui_grab || qemu_input_is_absolute() || absolute_enabled))
379 SDL_SetCursor(guest_sprite);
381 SDL_SetCursor(sdl_cursor_normal);
385 static void sdl_grab_start(void)
388 * If the application is not active, do not try to enter grab state. This
389 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the
390 * application (SDL bug).
392 if (!(SDL_GetAppState() & SDL_APPINPUTFOCUS)) {
396 SDL_SetCursor(guest_sprite);
397 if (!qemu_input_is_absolute() && !absolute_enabled) {
398 SDL_WarpMouse(guest_x, guest_y);
402 SDL_WM_GrabInput(SDL_GRAB_ON);
404 sdl_update_caption();
407 static void sdl_grab_end(void)
409 SDL_WM_GrabInput(SDL_GRAB_OFF);
412 sdl_update_caption();
415 static void absolute_mouse_grab(void)
417 int mouse_x, mouse_y;
419 SDL_GetMouseState(&mouse_x, &mouse_y);
420 if (mouse_x > 0 && mouse_x < real_screen->w - 1 &&
421 mouse_y > 0 && mouse_y < real_screen->h - 1) {
426 static void sdl_mouse_mode_change(Notifier *notify, void *data)
428 if (qemu_input_is_absolute()) {
429 if (!absolute_enabled) {
430 absolute_enabled = 1;
431 if (qemu_console_is_graphic(NULL)) {
432 absolute_mouse_grab();
435 } else if (absolute_enabled) {
436 if (!gui_fullscreen) {
439 absolute_enabled = 0;
443 static void sdl_send_mouse_event(int dx, int dy, int x, int y, int state)
445 static uint32_t bmap[INPUT_BUTTON__MAX] = {
446 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT),
447 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE),
448 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT),
449 [INPUT_BUTTON_WHEEL_UP] = SDL_BUTTON(SDL_BUTTON_WHEELUP),
450 [INPUT_BUTTON_WHEEL_DOWN] = SDL_BUTTON(SDL_BUTTON_WHEELDOWN),
452 static uint32_t prev_state;
454 if (prev_state != state) {
455 qemu_input_update_buttons(dcl->con, bmap, prev_state, state);
459 if (qemu_input_is_absolute()) {
460 qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, x,
462 qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, y,
473 qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, dx);
474 qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, dy);
476 qemu_input_event_sync();
479 static void sdl_scale(int width, int height)
481 int bpp = real_screen->format->BitsPerPixel;
484 printf("SDL: Scaling to %dx%d bpp %d\n", width, height, bpp);
487 if (bpp != 16 && bpp != 32) {
490 do_sdl_resize(width, height, bpp);
494 static void toggle_full_screen(void)
496 int width = surface_width(surface);
497 int height = surface_height(surface);
498 int bpp = surface_bits_per_pixel(surface);
500 gui_fullscreen = !gui_fullscreen;
501 if (gui_fullscreen) {
502 gui_saved_width = real_screen->w;
503 gui_saved_height = real_screen->h;
504 gui_saved_scaling = scaling_active;
506 do_sdl_resize(width, height, bpp);
509 gui_saved_grab = gui_grab;
512 if (gui_saved_scaling) {
513 sdl_scale(gui_saved_width, gui_saved_height);
515 do_sdl_resize(width, height, 0);
517 if (!gui_saved_grab || !qemu_console_is_graphic(NULL)) {
521 graphic_hw_invalidate(NULL);
522 graphic_hw_update(NULL);
525 static void handle_keydown(SDL_Event *ev)
531 mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
532 (gui_grab_code | KMOD_LSHIFT);
533 } else if (ctrl_grab) {
534 mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL;
536 mod_state = (SDL_GetModState() & gui_grab_code) == gui_grab_code;
538 gui_key_modifier_pressed = mod_state;
540 if (gui_key_modifier_pressed) {
541 keycode = sdl_keyevent_to_keycode(&ev->key);
543 case 0x21: /* 'f' key on US keyboard */
544 toggle_full_screen();
547 case 0x22: /* 'g' key */
549 if (qemu_console_is_graphic(NULL)) {
552 } else if (!gui_fullscreen) {
557 case 0x16: /* 'u' key on US keyboard */
558 if (scaling_active) {
560 sdl_switch(dcl, NULL);
561 graphic_hw_invalidate(NULL);
562 graphic_hw_update(NULL);
566 case 0x02 ... 0x0a: /* '1' to '9' keys */
567 /* Reset the modifiers sent to the current console */
569 console_select(keycode - 0x02);
571 if (gui_fullscreen) {
574 if (!qemu_console_is_graphic(NULL)) {
575 /* release grab if going to a text console */
578 } else if (absolute_enabled) {
581 } else if (absolute_enabled) {
583 absolute_mouse_grab();
588 if (!gui_fullscreen) {
589 int width = MAX(real_screen->w + (keycode == 0x1b ? 50 : -50),
591 int height = (surface_height(surface) * width) /
592 surface_width(surface);
594 sdl_scale(width, height);
595 graphic_hw_invalidate(NULL);
596 graphic_hw_update(NULL);
602 } else if (!qemu_console_is_graphic(NULL)) {
605 if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
606 switch (ev->key.keysym.sym) {
608 keysym = QEMU_KEY_CTRL_UP;
611 keysym = QEMU_KEY_CTRL_DOWN;
614 keysym = QEMU_KEY_CTRL_LEFT;
617 keysym = QEMU_KEY_CTRL_RIGHT;
620 keysym = QEMU_KEY_CTRL_HOME;
623 keysym = QEMU_KEY_CTRL_END;
626 keysym = QEMU_KEY_CTRL_PAGEUP;
629 keysym = QEMU_KEY_CTRL_PAGEDOWN;
635 switch (ev->key.keysym.sym) {
637 keysym = QEMU_KEY_UP;
640 keysym = QEMU_KEY_DOWN;
643 keysym = QEMU_KEY_LEFT;
646 keysym = QEMU_KEY_RIGHT;
649 keysym = QEMU_KEY_HOME;
652 keysym = QEMU_KEY_END;
655 keysym = QEMU_KEY_PAGEUP;
658 keysym = QEMU_KEY_PAGEDOWN;
661 keysym = QEMU_KEY_BACKSPACE;
664 keysym = QEMU_KEY_DELETE;
671 kbd_put_keysym(keysym);
672 } else if (ev->key.keysym.unicode != 0) {
673 kbd_put_keysym(ev->key.keysym.unicode);
676 if (qemu_console_is_graphic(NULL) && !gui_keysym) {
677 sdl_process_key(&ev->key);
681 static void handle_keyup(SDL_Event *ev)
686 mod_state = (ev->key.keysym.mod & gui_grab_code);
688 mod_state = (ev->key.keysym.mod & (gui_grab_code | KMOD_LSHIFT));
690 if (!mod_state && gui_key_modifier_pressed) {
691 gui_key_modifier_pressed = 0;
694 if (qemu_console_is_graphic(NULL) && !gui_keysym) {
695 sdl_process_key(&ev->key);
699 static void handle_mousemotion(SDL_Event *ev)
703 if (qemu_console_is_graphic(NULL) &&
704 (qemu_input_is_absolute() || absolute_enabled)) {
705 max_x = real_screen->w - 1;
706 max_y = real_screen->h - 1;
707 if (gui_grab && (ev->motion.x == 0 || ev->motion.y == 0 ||
708 ev->motion.x == max_x || ev->motion.y == max_y)) {
712 (ev->motion.x > 0 && ev->motion.x < max_x &&
713 ev->motion.y > 0 && ev->motion.y < max_y)) {
717 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
718 sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel,
719 ev->motion.x, ev->motion.y, ev->motion.state);
723 static void handle_mousebutton(SDL_Event *ev)
725 int buttonstate = SDL_GetMouseState(NULL, NULL);
726 SDL_MouseButtonEvent *bev;
728 if (!qemu_console_is_graphic(NULL)) {
733 if (!gui_grab && !qemu_input_is_absolute()) {
734 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) {
735 /* start grabbing all events */
739 if (ev->type == SDL_MOUSEBUTTONDOWN) {
740 buttonstate |= SDL_BUTTON(bev->button);
742 buttonstate &= ~SDL_BUTTON(bev->button);
744 sdl_send_mouse_event(0, 0, bev->x, bev->y, buttonstate);
748 static void handle_activation(SDL_Event *ev)
751 /* Disable grab if the window no longer has the focus
752 * (Windows-only workaround) */
753 if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
754 !ev->active.gain && !gui_fullscreen) {
758 if (!gui_grab && ev->active.gain && qemu_console_is_graphic(NULL) &&
759 (qemu_input_is_absolute() || absolute_enabled)) {
760 absolute_mouse_grab();
762 if (ev->active.state & SDL_APPACTIVE) {
763 if (ev->active.gain) {
764 /* Back to default interval */
765 update_displaychangelistener(dcl, GUI_REFRESH_INTERVAL_DEFAULT);
767 /* Sleeping interval. Not using the long default here as
768 * sdl_refresh does not only update the guest screen, but
769 * also checks for gui events. */
770 update_displaychangelistener(dcl, 500);
775 static void sdl_refresh(DisplayChangeListener *dcl)
777 SDL_Event ev1, *ev = &ev1;
778 bool allow_close = true;
781 if (last_vm_running != runstate_is_running()) {
782 last_vm_running = runstate_is_running();
783 sdl_update_caption();
786 graphic_hw_update(NULL);
787 SDL_EnableUNICODE(!qemu_console_is_graphic(NULL));
789 while (SDL_PollEvent(ev)) {
791 case SDL_VIDEOEXPOSE:
792 sdl_update(dcl, 0, 0, real_screen->w, real_screen->h);
803 if (opts->has_window_close && !opts->window_close) {
808 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI);
811 case SDL_MOUSEMOTION:
813 handle_mousemotion(ev);
815 case SDL_MOUSEBUTTONDOWN:
816 case SDL_MOUSEBUTTONUP:
818 handle_mousebutton(ev);
820 case SDL_ACTIVEEVENT:
821 handle_activation(ev);
823 case SDL_VIDEORESIZE:
824 sdl_scale(ev->resize.w, ev->resize.h);
825 graphic_hw_invalidate(NULL);
826 graphic_hw_update(NULL);
834 if (idle_counter < SDL_MAX_IDLE_COUNT) {
836 if (idle_counter >= SDL_MAX_IDLE_COUNT) {
837 dcl->update_interval = GUI_REFRESH_INTERVAL_DEFAULT;
842 dcl->update_interval = SDL_REFRESH_INTERVAL_BUSY;
846 static void sdl_mouse_warp(DisplayChangeListener *dcl,
847 int x, int y, int on)
852 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
853 SDL_SetCursor(guest_sprite);
854 if (!qemu_input_is_absolute() && !absolute_enabled) {
861 guest_x = x, guest_y = y;
864 static void sdl_mouse_define(DisplayChangeListener *dcl,
867 uint8_t *image, *mask;
871 SDL_FreeCursor(guest_sprite);
873 bpl = cursor_get_mono_bpl(c);
874 image = g_malloc0(bpl * c->height);
875 mask = g_malloc0(bpl * c->height);
876 cursor_get_mono_image(c, 0x000000, image);
877 cursor_get_mono_mask(c, 0, mask);
878 guest_sprite = SDL_CreateCursor(image, mask, c->width, c->height,
884 (gui_grab || qemu_input_is_absolute() || absolute_enabled))
885 SDL_SetCursor(guest_sprite);
888 static void sdl_cleanup(void)
891 SDL_FreeCursor(guest_sprite);
892 SDL_QuitSubSystem(SDL_INIT_VIDEO);
895 static const DisplayChangeListenerOps dcl_ops = {
897 .dpy_gfx_update = sdl_update,
898 .dpy_gfx_switch = sdl_switch,
899 .dpy_gfx_check_format = sdl_check_format,
900 .dpy_refresh = sdl_refresh,
901 .dpy_mouse_set = sdl_mouse_warp,
902 .dpy_cursor_define = sdl_mouse_define,
905 static void sdl1_display_init(DisplayState *ds, DisplayOptions *o)
909 const SDL_VideoInfo *vi;
913 assert(o->type == DISPLAY_TYPE_SDL);
915 #if defined(__APPLE__)
916 /* always use generic keymaps */
917 if (!keyboard_layout)
918 keyboard_layout = "en-us";
920 if(keyboard_layout) {
921 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);