[qemu.git] / sdl.c

/*
 * 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 "vl.h"

#include <SDL.h>

#ifndef _WIN32
#include <signal.h>
#endif

static SDL_Surface *screen;
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_key_modifier_pressed;
static int gui_keysym;

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);
    SDL_UpdateRect(screen, x, y, w, h);
}

static void sdl_resize(DisplayState *ds, int w, int h)
{
    int flags;

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

    flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
    flags |= SDL_RESIZABLE;
    if (gui_fullscreen)
        flags |= SDL_FULLSCREEN;
    screen = SDL_SetVideoMode(w, h, 0, flags);
    if (!screen) {
        fprintf(stderr, "Could not open SDL display\n");
        exit(1);
    }
    ds->data = screen->pixels;
    ds->linesize = screen->pitch;
    ds->depth = screen->format->BitsPerPixel;
}

static const uint32_t x_keycode_to_pc_keycode[61] = {
   0x47e0,      /*  97  Home   */
   0x48e0,      /*  98  Up     */
   0x49e0,      /*  99  PgUp   */
   0x4be0,      /* 100  Left   */
   0x4c,        /* 101  KP-5   */
   0x4de0,      /* 102  Right  */
   0x4fe0,      /* 103  End    */
   0x50e0,      /* 104  Down   */
   0x51e0,      /* 105  PgDn   */
   0x52e0,      /* 106  Ins    */
   0x53e0,      /* 107  Del    */
   0x1ce0,      /* 108  Enter  */
   0x1de0,      /* 109  Ctrl-R */
   0x451de1,    /* 110  Pause  */
   0x37e0,      /* 111  Print  */
   0x35e0,      /* 112  Divide */
   0x38e0,      /* 113  Alt-R  */
   0x46e0,      /* 114  Break  */   
   0x0,         /* 115 */
   0x0,         /* 116 */
   0x0,         /* 117 */
   0x0,         /* 118 */
   0x0,         /* 119 */
   0x70,         /* 120 Hiragana_Katakana */
   0x0,         /* 121 */
   0x0,         /* 122 */
   0x73,         /* 123 backslash */
   0x0,         /* 124 */
   0x0,         /* 125 */
   0x0,         /* 126 */
   0x0,         /* 127 */
   0x0,         /* 128 */
   0x79,         /* 129 Henkan */
   0x0,         /* 130 */
   0x7b,         /* 131 Muhenkan */
   0x0,         /* 132 */
   0x7d,         /* 133 Yen */
   0x0,         /* 134 */
   0x0,         /* 135 */
   0x47,         /* 136 KP_7 */
   0x48,         /* 137 KP_8 */
   0x49,         /* 138 KP_9 */
   0x4b,         /* 139 KP_4 */
   0x4c,         /* 140 KP_5 */
   0x4d,         /* 141 KP_6 */
   0x4f,         /* 142 KP_1 */
   0x50,         /* 143 KP_2 */
   0x51,         /* 144 KP_3 */
   0x52,         /* 145 KP_0 */
   0x53,         /* 146 KP_. */
   0x47,         /* 147 KP_HOME */
   0x48,         /* 148 KP_UP */
   0x49,         /* 149 KP_PgUp */
   0x4b,         /* 150 KP_Left */
   0x4c,         /* 151 KP_ */
   0x4d,         /* 152 KP_Right */
   0x4f,         /* 153 KP_End */
   0x50,         /* 154 KP_Down */
   0x51,         /* 155 KP_PgDn */
   0x52,         /* 156 KP_Ins */
   0x53,         /* 157 KP_Del */
};

static void sdl_process_key(SDL_KeyboardEvent *ev)
{
    int keycode, v;
    
    /* XXX: not portable, but avoids complicated mappings */
    keycode = ev->keysym.scancode;

#ifndef _WIN32
    if (keycode < 9) {
        keycode = 0;
    } else if (keycode < 97) {
        keycode -= 8; /* just an offset */
    } else if (keycode < 158) {
        /* use conversion table */
        keycode = x_keycode_to_pc_keycode[keycode - 97];
    } else {
        keycode = 0;
    }
#endif
    
    /* now send the key code */
    while (keycode != 0) {
        v = keycode & 0xff;
        if (ev->type == SDL_KEYUP)
            v |= 0x80;
        kbd_put_keycode(v);
        keycode >>= 8;
    }
}

static void sdl_update_caption(void)
{
    char buf[1024];
    strcpy(buf, "QEMU");
    if (!vm_running) {
        strcat(buf, " [Stopped]");
    }
    if (gui_grab) {
        strcat(buf, " - Press Ctrl-Shift to exit grab");
    }
    SDL_WM_SetCaption(buf, "QEMU");
}

static void sdl_grab_start(void)
{
    SDL_ShowCursor(0);
    SDL_WM_GrabInput(SDL_GRAB_ON);
    /* dummy read to avoid moving the mouse */
    SDL_GetRelativeMouseState(NULL, NULL);
    gui_grab = 1;
    sdl_update_caption();
}

static void sdl_grab_end(void)
{
    SDL_WM_GrabInput(SDL_GRAB_OFF);
    SDL_ShowCursor(1);
    gui_grab = 0;
    sdl_update_caption();
}

static void sdl_send_mouse_event(void)
{
    int dx, dy, dz, state, buttons;
    state = SDL_GetRelativeMouseState(&dx, &dy);
    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;
    /* XXX: test wheel */
    dz = 0;
#ifdef SDL_BUTTON_WHEELUP
    if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
        dz--;
    if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
        dz++;
#endif
    kbd_mouse_event(dx, dy, dz, buttons);
}

static void toggle_full_screen(DisplayState *ds)
{
    gui_fullscreen = !gui_fullscreen;
    sdl_resize(ds, screen->w, screen->h);
    if (gui_fullscreen) {
        gui_saved_grab = gui_grab;
        sdl_grab_start();
    } else {
        if (!gui_saved_grab)
            sdl_grab_end();
    }
    vga_update_display();
    sdl_update(ds, 0, 0, screen->w, screen->h);
}

static void sdl_refresh(DisplayState *ds)
{
    SDL_Event ev1, *ev = &ev1;
    int mod_state;
                     
    if (last_vm_running != vm_running) {
        last_vm_running = vm_running;
        sdl_update_caption();
    }

    vga_update_display();
    while (SDL_PollEvent(ev)) {
        switch (ev->type) {
        case SDL_VIDEOEXPOSE:
            sdl_update(ds, 0, 0, screen->w, screen->h);
            break;
        case SDL_KEYDOWN:
        case SDL_KEYUP:
            if (ev->type == SDL_KEYDOWN) {
                mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)) ==
                    (KMOD_LSHIFT | KMOD_LCTRL);
                gui_key_modifier_pressed = mod_state;
                if (gui_key_modifier_pressed && 
                    ev->key.keysym.sym == SDLK_f) {
                    gui_keysym = ev->key.keysym.sym;
                }
            } else if (ev->type == SDL_KEYUP) {
                mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL));
                if (!mod_state) {
                    if (gui_key_modifier_pressed) {
                        switch(gui_keysym) {
                        case SDLK_f:
                            toggle_full_screen(ds);
                            break;
                        case 0:
                            /* exit/enter grab if pressing Ctrl-Shift */
                            if (!gui_grab)
                                sdl_grab_start();
                            else
                                sdl_grab_end();
                            break;
                        }
                        gui_key_modifier_pressed = 0;
                        gui_keysym = 0;
                    }
                }
            }
            sdl_process_key(&ev->key);
            break;
        case SDL_QUIT:
            reset_requested = 1;
            break;
        case SDL_MOUSEMOTION:
            if (gui_grab) {
                sdl_send_mouse_event();
            }
            break;
        case SDL_MOUSEBUTTONDOWN:
        case SDL_MOUSEBUTTONUP:
            {
                SDL_MouseButtonEvent *bev = &ev->button;
                if (!gui_grab) {
                    if (ev->type == SDL_MOUSEBUTTONDOWN &&
                        (bev->state & SDL_BUTTON_LMASK)) {
                        /* start grabbing all events */
                        sdl_grab_start();
                    }
                } else {
                    sdl_send_mouse_event();
                }
            }
            break;
        case SDL_ACTIVEEVENT:
            if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0) {
                sdl_grab_end();
            }
            break;
        default:
            break;
        }
    }
}

static void sdl_cleanup(void) 
{
    SDL_Quit();
}

void sdl_display_init(DisplayState *ds)
{
    int flags;

    flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
    if (SDL_Init (flags)) {
        fprintf(stderr, "Could not initialize SDL - exiting\n");
        exit(1);
    }

#ifndef _WIN32
    /* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
    signal(SIGINT, SIG_DFL);
    signal(SIGQUIT, SIG_DFL);
#endif

    ds->dpy_update = sdl_update;
    ds->dpy_resize = sdl_resize;
    ds->dpy_refresh = sdl_refresh;

    sdl_resize(ds, 640, 400);
    sdl_update_caption();
    SDL_EnableKeyRepeat(250, 50);
    gui_grab = 0;

    atexit(sdl_cleanup);
}
Commit	Line	Data
0f0b7264 FB	1	/*
	2	* QEMU SDL display driver
	3	*
	4	* Copyright (c) 2003 Fabrice Bellard
	5	*
	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:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	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
	22	* THE SOFTWARE.
	23	*/
67b915a5	24	#include "vl.h"
0f0b7264 FB	25
	26	#include <SDL.h>
	27
67b915a5 FB	28	#ifndef _WIN32
	29	#include <signal.h>
	30	#endif
0f0b7264 FB	31
	32	static SDL_Surface *screen;
	33	static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
8a7ddc38	34	static int last_vm_running;
8e9c4afe FB	35	static int gui_saved_grab;
	36	static int gui_fullscreen;
	37	static int gui_key_modifier_pressed;
	38	static int gui_keysym;
0f0b7264 FB	39
	40	static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
	41	{
898712a8	42	// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
0f0b7264 FB	43	SDL_UpdateRect(screen, x, y, w, h);
	44	}
	45
	46	static void sdl_resize(DisplayState *ds, int w, int h)
	47	{
	48	int flags;
	49
	50	// printf("resizing to %d %d\n", w, h);
	51
	52	flags = SDL_HWSURFACE\|SDL_ASYNCBLIT\|SDL_HWACCEL;
	53	flags \|= SDL_RESIZABLE;
8e9c4afe FB	54	if (gui_fullscreen)
8e9c4afe FB	55	flags \|= SDL_FULLSCREEN;
0f0b7264 FB	56	screen = SDL_SetVideoMode(w, h, 0, flags);
	57	if (!screen) {
	58	fprintf(stderr, "Could not open SDL display\n");
	59	exit(1);
	60	}
	61	ds->data = screen->pixels;
	62	ds->linesize = screen->pitch;
	63	ds->depth = screen->format->BitsPerPixel;
	64	}
	65
	66	static const uint32_t x_keycode_to_pc_keycode[61] = {
	67	0x47e0, /* 97 Home */
	68	0x48e0, /* 98 Up */
	69	0x49e0, /* 99 PgUp */
	70	0x4be0, /* 100 Left */
	71	0x4c, /* 101 KP-5 */
	72	0x4de0, /* 102 Right */
	73	0x4fe0, /* 103 End */
	74	0x50e0, /* 104 Down */
	75	0x51e0, /* 105 PgDn */
	76	0x52e0, /* 106 Ins */
	77	0x53e0, /* 107 Del */
	78	0x1ce0, /* 108 Enter */
	79	0x1de0, /* 109 Ctrl-R */
	80	0x451de1, /* 110 Pause */
	81	0x37e0, /* 111 Print */
	82	0x35e0, /* 112 Divide */
	83	0x38e0, /* 113 Alt-R */
	84	0x46e0, /* 114 Break */
	85	0x0, /* 115 */
	86	0x0, /* 116 */
	87	0x0, /* 117 */
	88	0x0, /* 118 */
	89	0x0, /* 119 */
b71e95fc	90	0x70, /* 120 Hiragana_Katakana */
0f0b7264 FB	91	0x0, /* 121 */
0f0b7264 FB	92	0x0, /* 122 */
b71e95fc	93	0x73, /* 123 backslash */
0f0b7264 FB	94	0x0, /* 124 */
	95	0x0, /* 125 */
	96	0x0, /* 126 */
	97	0x0, /* 127 */
	98	0x0, /* 128 */
b71e95fc	99	0x79, /* 129 Henkan */
0f0b7264	100	0x0, /* 130 */
b71e95fc	101	0x7b, /* 131 Muhenkan */
0f0b7264	102	0x0, /* 132 */
b71e95fc	103	0x7d, /* 133 Yen */
0f0b7264 FB	104	0x0, /* 134 */
	105	0x0, /* 135 */
	106	0x47, /* 136 KP_7 */
	107	0x48, /* 137 KP_8 */
	108	0x49, /* 138 KP_9 */
	109	0x4b, /* 139 KP_4 */
	110	0x4c, /* 140 KP_5 */
	111	0x4d, /* 141 KP_6 */
	112	0x4f, /* 142 KP_1 */
	113	0x50, /* 143 KP_2 */
	114	0x51, /* 144 KP_3 */
	115	0x52, /* 145 KP_0 */
	116	0x53, /* 146 KP_. */
	117	0x47, /* 147 KP_HOME */
	118	0x48, /* 148 KP_UP */
	119	0x49, /* 149 KP_PgUp */
	120	0x4b, /* 150 KP_Left */
	121	0x4c, /* 151 KP_ */
	122	0x4d, /* 152 KP_Right */
	123	0x4f, /* 153 KP_End */
	124	0x50, /* 154 KP_Down */
	125	0x51, /* 155 KP_PgDn */
	126	0x52, /* 156 KP_Ins */
	127	0x53, /* 157 KP_Del */
	128	};
	129
	130	static void sdl_process_key(SDL_KeyboardEvent *ev)
	131	{
	132	int keycode, v;
	133
	134	/* XXX: not portable, but avoids complicated mappings */
	135	keycode = ev->keysym.scancode;
b71e95fc FB	136
b71e95fc FB	137	#ifndef _WIN32
0f0b7264 FB	138	if (keycode < 9) {
	139	keycode = 0;
	140	} else if (keycode < 97) {
	141	keycode -= 8; /* just an offset */
b71e95fc	142	} else if (keycode < 158) {
0f0b7264 FB	143	/* use conversion table */
	144	keycode = x_keycode_to_pc_keycode[keycode - 97];
	145	} else {
	146	keycode = 0;
	147	}
b71e95fc	148	#endif
0f0b7264 FB	149
	150	/* now send the key code */
	151	while (keycode != 0) {
	152	v = keycode & 0xff;
	153	if (ev->type == SDL_KEYUP)
	154	v \|= 0x80;
	155	kbd_put_keycode(v);
	156	keycode >>= 8;
	157	}
	158	}
	159
8a7ddc38 FB	160	static void sdl_update_caption(void)
	161	{
	162	char buf[1024];
	163	strcpy(buf, "QEMU");
	164	if (!vm_running) {
	165	strcat(buf, " [Stopped]");
	166	}
	167	if (gui_grab) {
	168	strcat(buf, " - Press Ctrl-Shift to exit grab");
	169	}
	170	SDL_WM_SetCaption(buf, "QEMU");
	171	}
	172
0f0b7264 FB	173	static void sdl_grab_start(void)
0f0b7264 FB	174	{
0f0b7264 FB	175	SDL_ShowCursor(0);
	176	SDL_WM_GrabInput(SDL_GRAB_ON);
	177	/* dummy read to avoid moving the mouse */
	178	SDL_GetRelativeMouseState(NULL, NULL);
	179	gui_grab = 1;
8a7ddc38	180	sdl_update_caption();
0f0b7264 FB	181	}
	182
	183	static void sdl_grab_end(void)
	184	{
0f0b7264 FB	185	SDL_WM_GrabInput(SDL_GRAB_OFF);
	186	SDL_ShowCursor(1);
	187	gui_grab = 0;
8a7ddc38	188	sdl_update_caption();
0f0b7264 FB	189	}
	190
	191	static void sdl_send_mouse_event(void)
	192	{
	193	int dx, dy, dz, state, buttons;
	194	state = SDL_GetRelativeMouseState(&dx, &dy);
	195	buttons = 0;
	196	if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
	197	buttons \|= MOUSE_EVENT_LBUTTON;
	198	if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
	199	buttons \|= MOUSE_EVENT_RBUTTON;
	200	if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
	201	buttons \|= MOUSE_EVENT_MBUTTON;
	202	/* XXX: test wheel */
	203	dz = 0;
8351d2d4	204	#ifdef SDL_BUTTON_WHEELUP
0f0b7264 FB	205	if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
	206	dz--;
	207	if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
	208	dz++;
8351d2d4	209	#endif
0f0b7264 FB	210	kbd_mouse_event(dx, dy, dz, buttons);
	211	}
	212
8e9c4afe FB	213	static void toggle_full_screen(DisplayState *ds)
	214	{
	215	gui_fullscreen = !gui_fullscreen;
	216	sdl_resize(ds, screen->w, screen->h);
	217	if (gui_fullscreen) {
	218	gui_saved_grab = gui_grab;
	219	sdl_grab_start();
	220	} else {
	221	if (!gui_saved_grab)
	222	sdl_grab_end();
	223	}
	224	vga_update_display();
	225	sdl_update(ds, 0, 0, screen->w, screen->h);
	226	}
	227
0f0b7264 FB	228	static void sdl_refresh(DisplayState *ds)
	229	{
	230	SDL_Event ev1, *ev = &ev1;
8e9c4afe FB	231	int mod_state;
8e9c4afe FB	232
8a7ddc38 FB	233	if (last_vm_running != vm_running) {
	234	last_vm_running = vm_running;
	235	sdl_update_caption();
	236	}
	237
0f0b7264 FB	238	vga_update_display();
	239	while (SDL_PollEvent(ev)) {
	240	switch (ev->type) {
	241	case SDL_VIDEOEXPOSE:
	242	sdl_update(ds, 0, 0, screen->w, screen->h);
	243	break;
	244	case SDL_KEYDOWN:
	245	case SDL_KEYUP:
	246	if (ev->type == SDL_KEYDOWN) {
8e9c4afe FB	247	mod_state = (SDL_GetModState() & (KMOD_LSHIFT \| KMOD_LCTRL)) ==
	248	(KMOD_LSHIFT \| KMOD_LCTRL);
	249	gui_key_modifier_pressed = mod_state;
	250	if (gui_key_modifier_pressed &&
	251	ev->key.keysym.sym == SDLK_f) {
	252	gui_keysym = ev->key.keysym.sym;
	253	}
	254	} else if (ev->type == SDL_KEYUP) {
	255	mod_state = (SDL_GetModState() & (KMOD_LSHIFT \| KMOD_LCTRL));
	256	if (!mod_state) {
	257	if (gui_key_modifier_pressed) {
	258	switch(gui_keysym) {
	259	case SDLK_f:
	260	toggle_full_screen(ds);
	261	break;
	262	case 0:
	263	/* exit/enter grab if pressing Ctrl-Shift */
	264	if (!gui_grab)
	265	sdl_grab_start();
	266	else
	267	sdl_grab_end();
	268	break;
	269	}
	270	gui_key_modifier_pressed = 0;
	271	gui_keysym = 0;
	272	}
0f0b7264 FB	273	}
	274	}
	275	sdl_process_key(&ev->key);
	276	break;
	277	case SDL_QUIT:
	278	reset_requested = 1;
	279	break;
	280	case SDL_MOUSEMOTION:
	281	if (gui_grab) {
	282	sdl_send_mouse_event();
	283	}
	284	break;
	285	case SDL_MOUSEBUTTONDOWN:
	286	case SDL_MOUSEBUTTONUP:
	287	{
	288	SDL_MouseButtonEvent *bev = &ev->button;
	289	if (!gui_grab) {
	290	if (ev->type == SDL_MOUSEBUTTONDOWN &&
	291	(bev->state & SDL_BUTTON_LMASK)) {
	292	/* start grabbing all events */
	293	sdl_grab_start();
	294	}
	295	} else {
	296	sdl_send_mouse_event();
	297	}
	298	}
	299	break;
0294ffb9 FB	300	case SDL_ACTIVEEVENT:
	301	if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0) {
	302	sdl_grab_end();
	303	}
	304	break;
0f0b7264 FB	305	default:
	306	break;
	307	}
	308	}
	309	}
	310
898712a8 FB	311	static void sdl_cleanup(void)
	312	{
	313	SDL_Quit();
	314	}
	315
0f0b7264 FB	316	void sdl_display_init(DisplayState *ds)
	317	{
	318	int flags;
	319
	320	flags = SDL_INIT_VIDEO \| SDL_INIT_NOPARACHUTE;
	321	if (SDL_Init (flags)) {
	322	fprintf(stderr, "Could not initialize SDL - exiting\n");
	323	exit(1);
	324	}
67b915a5 FB	325
67b915a5 FB	326	#ifndef _WIN32
0ae04d73 FB	327	/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
	328	signal(SIGINT, SIG_DFL);
	329	signal(SIGQUIT, SIG_DFL);
67b915a5	330	#endif
0ae04d73	331
0f0b7264 FB	332	ds->dpy_update = sdl_update;
	333	ds->dpy_resize = sdl_resize;
	334	ds->dpy_refresh = sdl_refresh;
	335
	336	sdl_resize(ds, 640, 400);
8a7ddc38	337	sdl_update_caption();
0f0b7264 FB	338	SDL_EnableKeyRepeat(250, 50);
0f0b7264 FB	339	gui_grab = 0;
898712a8 FB	340
898712a8 FB	341	atexit(sdl_cleanup);
0f0b7264	342	}