/*

* QEMU SDL display driver

*

* Copyright (c) 2003 Fabrice Bellard

*

* Permission is hereby granted, free of charge, to any person obtaining a copy

* of this software and associated documentation files (the "Software"), to deal

* in the Software without restriction, including without limitation the rights

* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

* copies of the Software, and to permit persons to whom the Software is

* furnished to do so, subject to the following conditions:

*

* The above copyright notice and this permission notice shall be included in

* all copies or substantial portions of the Software.

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

* THE SOFTWARE.

*/

#include <SDL.h>

#include <SDL_syswm.h>

#ifndef _WIN32

#include <signal.h>

#endif

#include "qemu-common.h"

#include "console.h"

#include "sysemu.h"

#include "x_keymap.h"

static DisplayChangeListener *dcl;

static SDL_Surface *real_screen;

static SDL_Surface *guest_screen = NULL;

static int gui_grab; /* if true, all keyboard/mouse events are grabbed */

static int last_vm_running;

static int gui_saved_grab;

static int gui_fullscreen;

static int gui_noframe;

static int gui_key_modifier_pressed;

static int gui_keysym;

static int gui_fullscreen_initial_grab;

static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;

static uint8_t modifiers_state[256];

static int width, height;

static SDL_Cursor *sdl_cursor_normal;

static SDL_Cursor *sdl_cursor_hidden;

static int absolute_enabled = 0;

static int guest_cursor = 0;

static int guest_x, guest_y;

static SDL_Cursor *guest_sprite = 0;

static uint8_t allocator;

static uint8_t hostbpp;

static void sdl_update(DisplayState *ds, int x, int y, int w, int h)

{

// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);

if (guest_screen) {

SDL_Rect rec;

rec.x = x;

rec.y = y;

rec.w = w;

rec.h = h;

SDL_BlitSurface(guest_screen, &rec, real_screen, &rec);

}

SDL_UpdateRect(real_screen, x, y, w, h);

}

static void sdl_setdata(DisplayState *ds)

{

SDL_Rect rec;

rec.x = 0;

rec.y = 0;

rec.w = real_screen->w;

rec.h = real_screen->h;

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

guest_screen = SDL_CreateRGBSurfaceFrom(ds_get_data(ds), ds_get_width(ds), ds_get_height(ds),

ds_get_bits_per_pixel(ds), ds_get_linesize(ds),

ds->surface->pf.rmask, ds->surface->pf.gmask,

ds->surface->pf.bmask, ds->surface->pf.amask);

}

static void do_sdl_resize(int new_width, int new_height, int bpp)

{

int flags;

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

flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;

if (gui_fullscreen)

flags |= SDL_FULLSCREEN;

if (gui_noframe)

flags |= SDL_NOFRAME;

width = new_width;

height = new_height;

real_screen = SDL_SetVideoMode(width, height, bpp, flags);

if (!real_screen) {

fprintf(stderr, "Could not open SDL display\n");

exit(1);

}

}

static void sdl_resize(DisplayState *ds)

{

if (!allocator) {

do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);

sdl_setdata(ds);

} else {

if (guest_screen != NULL) {

SDL_FreeSurface(guest_screen);

guest_screen = NULL;

}

}

}

static PixelFormat sdl_to_qemu_pixelformat(SDL_PixelFormat *sdl_pf)

{

PixelFormat qemu_pf;

memset(&qemu_pf, 0x00, sizeof(PixelFormat));

qemu_pf.bits_per_pixel = sdl_pf->BitsPerPixel;

qemu_pf.bytes_per_pixel = sdl_pf->BytesPerPixel;

qemu_pf.depth = (qemu_pf.bits_per_pixel) == 32 ? 24 : (qemu_pf.bits_per_pixel);

qemu_pf.rmask = sdl_pf->Rmask;

qemu_pf.gmask = sdl_pf->Gmask;

qemu_pf.bmask = sdl_pf->Bmask;

qemu_pf.amask = sdl_pf->Amask;

qemu_pf.rshift = sdl_pf->Rshift;

qemu_pf.gshift = sdl_pf->Gshift;

qemu_pf.bshift = sdl_pf->Bshift;

qemu_pf.ashift = sdl_pf->Ashift;

qemu_pf.rbits = 8 - sdl_pf->Rloss;

qemu_pf.gbits = 8 - sdl_pf->Gloss;

qemu_pf.bbits = 8 - sdl_pf->Bloss;

qemu_pf.abits = 8 - sdl_pf->Aloss;

qemu_pf.rmax = ((1 << qemu_pf.rbits) - 1);

qemu_pf.gmax = ((1 << qemu_pf.gbits) - 1);

qemu_pf.bmax = ((1 << qemu_pf.bbits) - 1);

qemu_pf.amax = ((1 << qemu_pf.abits) - 1);

return qemu_pf;

}

static DisplaySurface* sdl_create_displaysurface(int width, int height)

{

DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));

if (surface == NULL) {

fprintf(stderr, "sdl_create_displaysurface: malloc failed\n");

exit(1);

}

surface->width = width;

surface->height = height;

if (hostbpp == 16)

do_sdl_resize(width, height, 16);

else

do_sdl_resize(width, height, 32);

surface->pf = sdl_to_qemu_pixelformat(real_screen->format);

surface->linesize = real_screen->pitch;

surface->data = real_screen->pixels;

#ifdef WORDS_BIGENDIAN

surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;

#else

surface->flags = QEMU_ALLOCATED_FLAG;

#endif

allocator = 1;

return surface;

}

static void sdl_free_displaysurface(DisplaySurface *surface)

{

allocator = 0;

if (surface == NULL)

return;

qemu_free(surface);

}

static DisplaySurface* sdl_resize_displaysurface(DisplaySurface *surface, int width, int height)

{

sdl_free_displaysurface(surface);

return sdl_create_displaysurface(width, height);

}

/* generic keyboard conversion */

#include "sdl_keysym.h"

static kbd_layout_t *kbd_layout = NULL;

static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)

{

int keysym;

/* workaround for X11+SDL bug with AltGR */

keysym = ev->keysym.sym;

if (keysym == 0 && ev->keysym.scancode == 113)

keysym = SDLK_MODE;

/* For Japanese key '\' and '|' */

if (keysym == 92 && ev->keysym.scancode == 133) {

keysym = 0xa5;

}

return keysym2scancode(kbd_layout, keysym);

}

/* specific keyboard conversions from scan codes */

#if defined(_WIN32)

static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)

{

return ev->keysym.scancode;

}

#else

#if defined(SDL_VIDEO_DRIVER_X11)

#include <X11/XKBlib.h>

static int check_for_evdev(void)

{

SDL_SysWMinfo info;

XkbDescPtr desc;

int has_evdev = 0;

const char *keycodes;

SDL_VERSION(&info.version);

if (!SDL_GetWMInfo(&info))

return 0;

desc = XkbGetKeyboard(info.info.x11.display,

XkbGBN_AllComponentsMask,

XkbUseCoreKbd);

if (desc == NULL || desc->names == NULL)

return 0;

keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes);

if (keycodes == NULL)

fprintf(stderr, "could not lookup keycode name\n");

else if (strstart(keycodes, "evdev", NULL))

has_evdev = 1;

else if (!strstart(keycodes, "xfree86", NULL))

fprintf(stderr,

"unknown keycodes `%s', please report to qemu-devel@nongnu.org\n",

keycodes);

XkbFreeClientMap(desc, XkbGBN_AllComponentsMask, True);

return has_evdev;

}

#else

static int check_for_evdev(void)

{

return 0;

}

#endif

static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)

{

int keycode;

static int has_evdev = -1;

if (has_evdev == -1)

has_evdev = check_for_evdev();

keycode = ev->keysym.scancode;

if (keycode < 9) {

keycode = 0;

} else if (keycode < 97) {

keycode -= 8; /* just an offset */

} else if (keycode < 158) {

/* use conversion table */

if (has_evdev)

keycode = translate_evdev_keycode(keycode - 97);

else

keycode = translate_xfree86_keycode(keycode - 97);

} else if (keycode == 208) { /* Hiragana_Katakana */

keycode = 0x70;

} else if (keycode == 211) { /* backslash */

keycode = 0x73;

} else {

keycode = 0;

}

return keycode;

}

#endif

static void reset_keys(void)

{

int i;

for(i = 0; i < 256; i++) {

if (modifiers_state[i]) {

if (i & 0x80)

kbd_put_keycode(0xe0);

kbd_put_keycode(i | 0x80);

modifiers_state[i] = 0;

}

}

}

static void sdl_process_key(SDL_KeyboardEvent *ev)

{

int keycode, v;

if (ev->keysym.sym == SDLK_PAUSE) {

/* specific case */

v = 0;

if (ev->type == SDL_KEYUP)

v |= 0x80;

kbd_put_keycode(0xe1);

kbd_put_keycode(0x1d | v);

kbd_put_keycode(0x45 | v);

return;

}

if (kbd_layout) {

keycode = sdl_keyevent_to_keycode_generic(ev);

} else {

keycode = sdl_keyevent_to_keycode(ev);

}

switch(keycode) {

case 0x00:

/* sent when leaving window: reset the modifiers state */

reset_keys();

return;

case 0x2a: /* Left Shift */

case 0x36: /* Right Shift */

case 0x1d: /* Left CTRL */

case 0x9d: /* Right CTRL */

case 0x38: /* Left ALT */

case 0xb8: /* Right ALT */

if (ev->type == SDL_KEYUP)

modifiers_state[keycode] = 0;

else

modifiers_state[keycode] = 1;

break;

case 0x45: /* num lock */

case 0x3a: /* caps lock */

/* SDL does not send the key up event, so we generate it */

kbd_put_keycode(keycode);

kbd_put_keycode(keycode | 0x80);

return;

}

/* now send the key code */

if (keycode & 0x80)

kbd_put_keycode(0xe0);

if (ev->type == SDL_KEYUP)

kbd_put_keycode(keycode | 0x80);

else

kbd_put_keycode(keycode & 0x7f);

}

static void sdl_update_caption(void)

{

char buf[1024];

const char *status = "";

if (!vm_running)

status = " [Stopped]";

else if (gui_grab) {

if (!alt_grab)

status = " - Press Ctrl-Alt to exit grab";

else

status = " - Press Ctrl-Alt-Shift to exit grab";

}

if (qemu_name)

snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status);

else

snprintf(buf, sizeof(buf), "QEMU%s", status);

SDL_WM_SetCaption(buf, "QEMU");

}

static void sdl_hide_cursor(void)

{

if (!cursor_hide)

return;

if (kbd_mouse_is_absolute()) {

SDL_ShowCursor(1);

SDL_SetCursor(sdl_cursor_hidden);

} else {

SDL_ShowCursor(0);

}

}

static void sdl_show_cursor(void)

{

if (!cursor_hide)

return;

if (!kbd_mouse_is_absolute()) {

SDL_ShowCursor(1);

if (guest_cursor &&

(gui_grab || kbd_mouse_is_absolute() || absolute_enabled))

SDL_SetCursor(guest_sprite);

else

SDL_SetCursor(sdl_cursor_normal);

}

}

static void sdl_grab_start(void)

{

if (guest_cursor) {

SDL_SetCursor(guest_sprite);

if (!kbd_mouse_is_absolute() && !absolute_enabled)

SDL_WarpMouse(guest_x, guest_y);

} else

sdl_hide_cursor();

if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) {

gui_grab = 1;

sdl_update_caption();

} else

sdl_show_cursor();

}

static void sdl_grab_end(void)

{

SDL_WM_GrabInput(SDL_GRAB_OFF);

gui_grab = 0;

sdl_show_cursor();

sdl_update_caption();

}

static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)

{

int buttons;

buttons = 0;

if (state & SDL_BUTTON(SDL_BUTTON_LEFT))

buttons |= MOUSE_EVENT_LBUTTON;

if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))

buttons |= MOUSE_EVENT_RBUTTON;

if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))

buttons |= MOUSE_EVENT_MBUTTON;

if (kbd_mouse_is_absolute()) {

if (!absolute_enabled) {

sdl_hide_cursor();

if (gui_grab) {

sdl_grab_end();

}

absolute_enabled = 1;

}

dx = x * 0x7FFF / (width - 1);

dy = y * 0x7FFF / (height - 1);

} else if (absolute_enabled) {

sdl_show_cursor();

absolute_enabled = 0;

} else if (guest_cursor) {

x -= guest_x;

y -= guest_y;

guest_x += x;

guest_y += y;

dx = x;

dy = y;

}

kbd_mouse_event(dx, dy, dz, buttons);

}

static void toggle_full_screen(DisplayState *ds)

{

gui_fullscreen = !gui_fullscreen;

do_sdl_resize(real_screen->w, real_screen->h, real_screen->format->BitsPerPixel);

if (gui_fullscreen) {

gui_saved_grab = gui_grab;

sdl_grab_start();

} else {

if (!gui_saved_grab)

sdl_grab_end();

}

vga_hw_invalidate();

vga_hw_update();

}

static void sdl_refresh(DisplayState *ds)

{

SDL_Event ev1, *ev = &ev1;

int mod_state;

int buttonstate = SDL_GetMouseState(NULL, NULL);

if (last_vm_running != vm_running) {

last_vm_running = vm_running;

sdl_update_caption();

}

vga_hw_update();

SDL_EnableUNICODE(!is_graphic_console());

while (SDL_PollEvent(ev)) {

switch (ev->type) {

case SDL_VIDEOEXPOSE:

sdl_update(ds, 0, 0, real_screen->w, real_screen->h);

break;

case SDL_KEYDOWN:

case SDL_KEYUP:

if (ev->type == SDL_KEYDOWN) {

if (!alt_grab) {

mod_state = (SDL_GetModState() & gui_grab_code) ==

gui_grab_code;

} else {

mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==

(gui_grab_code | KMOD_LSHIFT);

}

gui_key_modifier_pressed = mod_state;

if (gui_key_modifier_pressed) {

int keycode;

keycode = sdl_keyevent_to_keycode(&ev->key);

switch(keycode) {

case 0x21: /* 'f' key on US keyboard */

toggle_full_screen(ds);

gui_keysym = 1;

break;

case 0x02 ... 0x0a: /* '1' to '9' keys */

/* Reset the modifiers sent to the current console */

reset_keys();

console_select(keycode - 0x02);

if (!is_graphic_console()) {

/* display grab if going to a text console */

if (gui_grab)

sdl_grab_end();

}

gui_keysym = 1;

break;

default:

break;

}

} else if (!is_graphic_console()) {

int keysym;

keysym = 0;

if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {

switch(ev->key.keysym.sym) {

case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;

case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;

case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;

case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;

case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;

case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;

case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;

case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;

default: break;

}

} else {

switch(ev->key.keysym.sym) {

case SDLK_UP: keysym = QEMU_KEY_UP; break;

case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;

case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;

case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;

case SDLK_HOME: keysym = QEMU_KEY_HOME; break;

case SDLK_END: keysym = QEMU_KEY_END; break;

case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;

case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;

case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;

case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;

default: break;

}

}

if (keysym) {

kbd_put_keysym(keysym);

} else if (ev->key.keysym.unicode != 0) {

kbd_put_keysym(ev->key.keysym.unicode);

}

}

} else if (ev->type == SDL_KEYUP) {

if (!alt_grab) {

mod_state = (ev->key.keysym.mod & gui_grab_code);

} else {

mod_state = (ev->key.keysym.mod &

(gui_grab_code | KMOD_LSHIFT));

}

if (!mod_state) {

if (gui_key_modifier_pressed) {

gui_key_modifier_pressed = 0;

if (gui_keysym == 0) {

/* exit/enter grab if pressing Ctrl-Alt */

if (!gui_grab) {

/* if the application is not active,

do not try to enter grab state. It

prevents

'SDL_WM_GrabInput(SDL_GRAB_ON)'

from blocking all the application

(SDL bug). */

if (SDL_GetAppState() & SDL_APPACTIVE)

sdl_grab_start();

} else {

sdl_grab_end();

}

/* SDL does not send back all the

modifiers key, so we must correct it */

reset_keys();

break;

}

gui_keysym = 0;

}

}

}

if (is_graphic_console() && !gui_keysym)

sdl_process_key(&ev->key);

break;

case SDL_QUIT:

if (!no_quit)

qemu_system_shutdown_request();

break;

case SDL_MOUSEMOTION:

if (gui_grab || kbd_mouse_is_absolute() ||

absolute_enabled) {

sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,

ev->motion.x, ev->motion.y, ev->motion.state);

}

break;

case SDL_MOUSEBUTTONDOWN:

case SDL_MOUSEBUTTONUP:

{

SDL_MouseButtonEvent *bev = &ev->button;

if (!gui_grab && !kbd_mouse_is_absolute()) {

if (ev->type == SDL_MOUSEBUTTONDOWN &&

(bev->button == SDL_BUTTON_LEFT)) {

/* start grabbing all events */

sdl_grab_start();

}

} else {

int dz;

dz = 0;

if (ev->type == SDL_MOUSEBUTTONDOWN) {

buttonstate |= SDL_BUTTON(bev->button);

} else {

buttonstate &= ~SDL_BUTTON(bev->button);

}

#ifdef SDL_BUTTON_WHEELUP

if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {

dz = -1;

} else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {

dz = 1;

}

#endif

sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);

}

}

break;

case SDL_ACTIVEEVENT:

if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&

!ev->active.gain && !gui_fullscreen_initial_grab) {

sdl_grab_end();

}

if (ev->active.state & SDL_APPACTIVE) {

if (ev->active.gain) {

/* Back to default interval */

dcl->gui_timer_interval = 0;

dcl->idle = 0;

} else {

/* Sleeping interval */

dcl->gui_timer_interval = 500;

dcl->idle = 1;

}

}

break;

default:

break;

}

}

}

static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)

{

SDL_Rect dst = { x, y, w, h };

SDL_FillRect(real_screen, &dst, c);

}

static void sdl_mouse_warp(int x, int y, int on)

{

if (on) {

if (!guest_cursor)

sdl_show_cursor();

if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {

SDL_SetCursor(guest_sprite);

if (!kbd_mouse_is_absolute() && !absolute_enabled)

SDL_WarpMouse(x, y);

}

} else if (gui_grab)

sdl_hide_cursor();

guest_cursor = on;

guest_x = x, guest_y = y;

}

static void sdl_mouse_define(int width, int height, int bpp,

int hot_x, int hot_y,

uint8_t *image, uint8_t *mask)

{

uint8_t sprite[256], *line;

int x, y, dst, bypl, src = 0;

if (guest_sprite)

SDL_FreeCursor(guest_sprite);

memset(sprite, 0, 256);

bypl = ((width * bpp + 31) >> 5) << 2;

for (y = 0, dst = 0; y < height; y ++, image += bypl) {

line = image;

for (x = 0; x < width; x ++, dst ++) {

switch (bpp) {

case 24:

src = *(line ++); src |= *(line ++); src |= *(line ++);

break;

case 16:

case 15:

src = *(line ++); src |= *(line ++);

break;

case 8:

src = *(line ++);

break;

case 4:

src = 0xf & (line[x >> 1] >> ((x & 1)) << 2);

break;

case 2:

src = 3 & (line[x >> 2] >> ((x & 3)) << 1);

break;

case 1:

src = 1 & (line[x >> 3] >> (x & 7));

break;

}

if (!src)

sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3];

}

}

guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y);

if (guest_cursor &&

(gui_grab || kbd_mouse_is_absolute() || absolute_enabled))

SDL_SetCursor(guest_sprite);

}

static void sdl_cleanup(void)

{

if (guest_sprite)

SDL_FreeCursor(guest_sprite);

SDL_QuitSubSystem(SDL_INIT_VIDEO);

}

void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)

{

int flags;

uint8_t data = 0;

DisplayAllocator *da;

const SDL_VideoInfo *vi;

#if defined(__APPLE__)

/* always use generic keymaps */

if (!keyboard_layout)

keyboard_layout = "en-us";

#endif

if(keyboard_layout) {

kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);

if (!kbd_layout)

exit(1);

}

if (no_frame)

gui_noframe = 1;

flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;

if (SDL_Init (flags)) {

fprintf(stderr, "Could not initialize SDL - exiting\n");

exit(1);

}

vi = SDL_GetVideoInfo();

hostbpp = vi->vfmt->BitsPerPixel;

dcl = qemu_mallocz(sizeof(DisplayChangeListener));

dcl->dpy_update = sdl_update;

dcl->dpy_resize = sdl_resize;

dcl->dpy_refresh = sdl_refresh;

dcl->dpy_setdata = sdl_setdata;

dcl->dpy_fill = sdl_fill;

ds->mouse_set = sdl_mouse_warp;

ds->cursor_define = sdl_mouse_define;

register_displaychangelistener(ds, dcl);

da = qemu_mallocz(sizeof(DisplayAllocator));

da->create_displaysurface = sdl_create_displaysurface;

da->resize_displaysurface = sdl_resize_displaysurface;

da->free_displaysurface = sdl_free_displaysurface;

if (register_displayallocator(ds, da) == da) {

DisplaySurface *surf;

surf = sdl_create_displaysurface(ds_get_width(ds), ds_get_height(ds));

defaultallocator_free_displaysurface(ds->surface);

ds->surface = surf;

dpy_resize(ds);

}

sdl_update_caption();

SDL_EnableKeyRepeat(250, 50);

gui_grab = 0;

sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);

sdl_cursor_normal = SDL_GetCursor();

atexit(sdl_cleanup);

if (full_screen) {

gui_fullscreen = 1;

gui_fullscreen_initial_grab = 1;

sdl_grab_start();

}

}