[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

#if defined(__APPLE__)
#define CONFIG_SDL_GENERIC_KBD
#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;
}

#ifdef CONFIG_SDL_GENERIC_KBD

/* XXX: use keymap tables defined in the VNC patch because the
   following code suppose you have a US keyboard. */

static const uint8_t scancodes[SDLK_LAST] = {
    [SDLK_ESCAPE]   = 0x01,
    [SDLK_1]        = 0x02,
    [SDLK_2]        = 0x03,
    [SDLK_3]        = 0x04,
    [SDLK_4]        = 0x05,
    [SDLK_5]        = 0x06,
    [SDLK_6]        = 0x07,
    [SDLK_7]        = 0x08,
    [SDLK_8]        = 0x09,
    [SDLK_9]        = 0x0a,
    [SDLK_0]        = 0x0b,
    [SDLK_MINUS]    = 0x0c,
    [SDLK_EQUALS]   = 0x0d,
    [SDLK_BACKSPACE]        = 0x0e,
    [SDLK_TAB]      = 0x0f,
    [SDLK_q]        = 0x10,
    [SDLK_w]        = 0x11,
    [SDLK_e]        = 0x12,
    [SDLK_r]        = 0x13,
    [SDLK_t]        = 0x14,
    [SDLK_y]        = 0x15,
    [SDLK_u]        = 0x16,
    [SDLK_i]        = 0x17,
    [SDLK_o]        = 0x18,
    [SDLK_p]        = 0x19,
    [SDLK_LEFTBRACKET]      = 0x1a,
    [SDLK_RIGHTBRACKET]     = 0x1b,
    [SDLK_RETURN]   = 0x1c,
    [SDLK_LCTRL]    = 0x1d,
    [SDLK_a]        = 0x1e,
    [SDLK_s]        = 0x1f,
    [SDLK_d]        = 0x20,
    [SDLK_f]        = 0x21,
    [SDLK_g]        = 0x22,
    [SDLK_h]        = 0x23,
    [SDLK_j]        = 0x24,
    [SDLK_k]        = 0x25,
    [SDLK_l]        = 0x26,
    [SDLK_SEMICOLON]        = 0x27,
    [SDLK_QUOTE]    = 0x28,
    [SDLK_BACKQUOTE]        = 0x29,
    [SDLK_LSHIFT]   = 0x2a,
    [SDLK_BACKSLASH]        = 0x2b,
    [SDLK_z]        = 0x2c,
    [SDLK_x]        = 0x2d,
    [SDLK_c]        = 0x2e,
    [SDLK_v]        = 0x2f,
    [SDLK_b]        = 0x30,
    [SDLK_n]        = 0x31,
    [SDLK_m]        = 0x32,
    [SDLK_COMMA]    = 0x33,
    [SDLK_PERIOD]   = 0x34,
    [SDLK_SLASH]    = 0x35,
    [SDLK_KP_MULTIPLY]      = 0x37,
    [SDLK_LALT]     = 0x38,
    [SDLK_SPACE]    = 0x39,
    [SDLK_CAPSLOCK] = 0x3a,
    [SDLK_F1]       = 0x3b,
    [SDLK_F2]       = 0x3c,
    [SDLK_F3]       = 0x3d,
    [SDLK_F4]       = 0x3e,
    [SDLK_F5]       = 0x3f,
    [SDLK_F6]       = 0x40,
    [SDLK_F7]       = 0x41,
    [SDLK_F8]       = 0x42,
    [SDLK_F9]       = 0x43,
    [SDLK_F10]      = 0x44,
    [SDLK_NUMLOCK]  = 0x45,
    [SDLK_SCROLLOCK]        = 0x46,
    [SDLK_KP7]      = 0x47,
    [SDLK_KP8]      = 0x48,
    [SDLK_KP9]      = 0x49,
    [SDLK_KP_MINUS] = 0x4a,
    [SDLK_KP4]      = 0x4b,
    [SDLK_KP5]      = 0x4c,
    [SDLK_KP6]      = 0x4d,
    [SDLK_KP_PLUS]  = 0x4e,
    [SDLK_KP1]      = 0x4f,
    [SDLK_KP2]      = 0x50,
    [SDLK_KP3]      = 0x51,
    [SDLK_KP0]      = 0x52,
    [SDLK_KP_PERIOD]        = 0x53,
    [SDLK_PRINT]    = 0x54,
    [SDLK_LMETA]    = 0x56,

    [SDLK_KP_ENTER]  = 0x9c,
    [SDLK_KP_DIVIDE] = 0xb5,
    
    [SDLK_UP]       = 0xc8,
    [SDLK_DOWN]     = 0xd0,
    [SDLK_RIGHT]    = 0xcd,
    [SDLK_LEFT]     = 0xcb,
    [SDLK_INSERT]   = 0xd2,
    [SDLK_HOME]     = 0xc7,
    [SDLK_END]      = 0xcf,
    [SDLK_PAGEUP]   = 0xc9,
    [SDLK_PAGEDOWN] = 0xd1,
    [SDLK_DELETE]   = 0xd3,
};

static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
{
    return scancodes[ev->keysym.sym];
}

#elif defined(_WIN32)

static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
{
    return ev->keysym.scancode;
}

#else

static const uint8_t x_keycode_to_pc_keycode[61] = {
   0xc7,      /*  97  Home   */
   0xc8,      /*  98  Up     */
   0xc9,      /*  99  PgUp   */
   0xcb,      /* 100  Left   */
   0x4c,        /* 101  KP-5   */
   0xcd,      /* 102  Right  */
   0xcf,      /* 103  End    */
   0xd0,      /* 104  Down   */
   0xd1,      /* 105  PgDn   */
   0xd2,      /* 106  Ins    */
   0xd3,      /* 107  Del    */
   0x9c,      /* 108  Enter  */
   0x9d,      /* 109  Ctrl-R */
   0x0,       /* 110  Pause  */
   0xb7,      /* 111  Print  */
   0xb5,      /* 112  Divide */
   0xb8,      /* 113  Alt-R  */
   0xc6,      /* 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 uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
{
    int keycode;

    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 */
        keycode = x_keycode_to_pc_keycode[keycode - 97];
    } else {
        keycode = 0;
    }
    return keycode;
}

#endif

static void sdl_process_key(SDL_KeyboardEvent *ev)
{
    int keycode, v, i;
    static uint8_t modifiers_state[256];

    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;
    }

    /* XXX: not portable, but avoids complicated mappings */
    keycode = sdl_keyevent_to_keycode(ev);

    switch(keycode) {
    case 0x00:
        /* sent when leaving window: reset the modifiers state */
        for(i = 0; i < 256; i++) {
            if (modifiers_state[i]) {
                if (i & 0x80)
                    kbd_put_keycode(0xe0);
                kbd_put_keycode(i | 0x80);
            }
        }
        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];
    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_invalidate_display();
    vga_update_display();
}

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:
            qemu_system_shutdown_request();
            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	31
e58d12ed FB	32	#if defined(__APPLE__)
	33	#define CONFIG_SDL_GENERIC_KBD
	34	#endif
	35
0f0b7264 FB	36	static SDL_Surface *screen;
0f0b7264 FB	37	static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
8a7ddc38	38	static int last_vm_running;
8e9c4afe FB	39	static int gui_saved_grab;
	40	static int gui_fullscreen;
	41	static int gui_key_modifier_pressed;
	42	static int gui_keysym;
0f0b7264 FB	43
	44	static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
	45	{
898712a8	46	// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
0f0b7264 FB	47	SDL_UpdateRect(screen, x, y, w, h);
	48	}
	49
	50	static void sdl_resize(DisplayState *ds, int w, int h)
	51	{
	52	int flags;
	53
	54	// printf("resizing to %d %d\n", w, h);
	55
	56	flags = SDL_HWSURFACE\|SDL_ASYNCBLIT\|SDL_HWACCEL;
	57	flags \|= SDL_RESIZABLE;
8e9c4afe FB	58	if (gui_fullscreen)
8e9c4afe FB	59	flags \|= SDL_FULLSCREEN;
0f0b7264 FB	60	screen = SDL_SetVideoMode(w, h, 0, flags);
	61	if (!screen) {
	62	fprintf(stderr, "Could not open SDL display\n");
	63	exit(1);
	64	}
	65	ds->data = screen->pixels;
	66	ds->linesize = screen->pitch;
	67	ds->depth = screen->format->BitsPerPixel;
	68	}
	69
e58d12ed FB	70	#ifdef CONFIG_SDL_GENERIC_KBD
	71
	72	/* XXX: use keymap tables defined in the VNC patch because the
	73	following code suppose you have a US keyboard. */
	74
	75	static const uint8_t scancodes[SDLK_LAST] = {
	76	[SDLK_ESCAPE] = 0x01,
	77	[SDLK_1] = 0x02,
	78	[SDLK_2] = 0x03,
	79	[SDLK_3] = 0x04,
	80	[SDLK_4] = 0x05,
	81	[SDLK_5] = 0x06,
	82	[SDLK_6] = 0x07,
	83	[SDLK_7] = 0x08,
	84	[SDLK_8] = 0x09,
	85	[SDLK_9] = 0x0a,
	86	[SDLK_0] = 0x0b,
	87	[SDLK_MINUS] = 0x0c,
	88	[SDLK_EQUALS] = 0x0d,
	89	[SDLK_BACKSPACE] = 0x0e,
	90	[SDLK_TAB] = 0x0f,
	91	[SDLK_q] = 0x10,
	92	[SDLK_w] = 0x11,
	93	[SDLK_e] = 0x12,
	94	[SDLK_r] = 0x13,
	95	[SDLK_t] = 0x14,
	96	[SDLK_y] = 0x15,
	97	[SDLK_u] = 0x16,
	98	[SDLK_i] = 0x17,
	99	[SDLK_o] = 0x18,
	100	[SDLK_p] = 0x19,
	101	[SDLK_LEFTBRACKET] = 0x1a,
	102	[SDLK_RIGHTBRACKET] = 0x1b,
	103	[SDLK_RETURN] = 0x1c,
	104	[SDLK_LCTRL] = 0x1d,
	105	[SDLK_a] = 0x1e,
	106	[SDLK_s] = 0x1f,
	107	[SDLK_d] = 0x20,
	108	[SDLK_f] = 0x21,
	109	[SDLK_g] = 0x22,
	110	[SDLK_h] = 0x23,
	111	[SDLK_j] = 0x24,
	112	[SDLK_k] = 0x25,
	113	[SDLK_l] = 0x26,
	114	[SDLK_SEMICOLON] = 0x27,
	115	[SDLK_QUOTE] = 0x28,
	116	[SDLK_BACKQUOTE] = 0x29,
	117	[SDLK_LSHIFT] = 0x2a,
	118	[SDLK_BACKSLASH] = 0x2b,
	119	[SDLK_z] = 0x2c,
	120	[SDLK_x] = 0x2d,
	121	[SDLK_c] = 0x2e,
	122	[SDLK_v] = 0x2f,
	123	[SDLK_b] = 0x30,
	124	[SDLK_n] = 0x31,
	125	[SDLK_m] = 0x32,
	126	[SDLK_COMMA] = 0x33,
	127	[SDLK_PERIOD] = 0x34,
	128	[SDLK_SLASH] = 0x35,
	129	[SDLK_KP_MULTIPLY] = 0x37,
	130	[SDLK_LALT] = 0x38,
	131	[SDLK_SPACE] = 0x39,
	132	[SDLK_CAPSLOCK] = 0x3a,
	133	[SDLK_F1] = 0x3b,
134	[SDLK_F2] = 0x3c,
135	[SDLK_F3] = 0x3d,
136	[SDLK_F4] = 0x3e,
137	[SDLK_F5] = 0x3f,
138	[SDLK_F6] = 0x40,
139	[SDLK_F7] = 0x41,
140	[SDLK_F8] = 0x42,
141	[SDLK_F9] = 0x43,
142	[SDLK_F10] = 0x44,
143	[SDLK_NUMLOCK] = 0x45,
144	[SDLK_SCROLLOCK] = 0x46,
145	[SDLK_KP7] = 0x47,
146	[SDLK_KP8] = 0x48,
147	[SDLK_KP9] = 0x49,
148	[SDLK_KP_MINUS] = 0x4a,
149	[SDLK_KP4] = 0x4b,
150	[SDLK_KP5] = 0x4c,
151	[SDLK_KP6] = 0x4d,
152	[SDLK_KP_PLUS] = 0x4e,
153	[SDLK_KP1] = 0x4f,
154	[SDLK_KP2] = 0x50,
155	[SDLK_KP3] = 0x51,
156	[SDLK_KP0] = 0x52,
157	[SDLK_KP_PERIOD] = 0x53,
158	[SDLK_PRINT] = 0x54,
159	[SDLK_LMETA] = 0x56,
160
161	[SDLK_KP_ENTER] = 0x9c,
162	[SDLK_KP_DIVIDE] = 0xb5,
163
164	[SDLK_UP] = 0xc8,
165	[SDLK_DOWN] = 0xd0,
166	[SDLK_RIGHT] = 0xcd,
167	[SDLK_LEFT] = 0xcb,
168	[SDLK_INSERT] = 0xd2,
169	[SDLK_HOME] = 0xc7,
170	[SDLK_END] = 0xcf,
171	[SDLK_PAGEUP] = 0xc9,
172	[SDLK_PAGEDOWN] = 0xd1,
173	[SDLK_DELETE] = 0xd3,
174	};
175
176	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
177	{
178	return scancodes[ev->keysym.sym];
179	}
180
181	#elif defined(_WIN32)
182
183	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
184	{
185	return ev->keysym.scancode;
186	}
187
188	#else
189
de2200d3 FB	190	static const uint8_t x_keycode_to_pc_keycode[61] = {
	191	0xc7, /* 97 Home */
	192	0xc8, /* 98 Up */
	193	0xc9, /* 99 PgUp */
	194	0xcb, /* 100 Left */
0f0b7264	195	0x4c, /* 101 KP-5 */
de2200d3 FB	196	0xcd, /* 102 Right */
	197	0xcf, /* 103 End */
	198	0xd0, /* 104 Down */
	199	0xd1, /* 105 PgDn */
	200	0xd2, /* 106 Ins */
	201	0xd3, /* 107 Del */
	202	0x9c, /* 108 Enter */
	203	0x9d, /* 109 Ctrl-R */
22a56b8a	204	0x0, /* 110 Pause */
de2200d3 FB	205	0xb7, /* 111 Print */
	206	0xb5, /* 112 Divide */
	207	0xb8, /* 113 Alt-R */
	208	0xc6, /* 114 Break */
0f0b7264 FB	209	0x0, /* 115 */
	210	0x0, /* 116 */
	211	0x0, /* 117 */
	212	0x0, /* 118 */
	213	0x0, /* 119 */
b71e95fc	214	0x70, /* 120 Hiragana_Katakana */
0f0b7264 FB	215	0x0, /* 121 */
0f0b7264 FB	216	0x0, /* 122 */
b71e95fc	217	0x73, /* 123 backslash */
0f0b7264 FB	218	0x0, /* 124 */
	219	0x0, /* 125 */
	220	0x0, /* 126 */
	221	0x0, /* 127 */
	222	0x0, /* 128 */
b71e95fc	223	0x79, /* 129 Henkan */
0f0b7264	224	0x0, /* 130 */
b71e95fc	225	0x7b, /* 131 Muhenkan */
0f0b7264	226	0x0, /* 132 */
b71e95fc	227	0x7d, /* 133 Yen */
0f0b7264 FB	228	0x0, /* 134 */
	229	0x0, /* 135 */
	230	0x47, /* 136 KP_7 */
	231	0x48, /* 137 KP_8 */
	232	0x49, /* 138 KP_9 */
	233	0x4b, /* 139 KP_4 */
	234	0x4c, /* 140 KP_5 */
	235	0x4d, /* 141 KP_6 */
	236	0x4f, /* 142 KP_1 */
	237	0x50, /* 143 KP_2 */
	238	0x51, /* 144 KP_3 */
	239	0x52, /* 145 KP_0 */
	240	0x53, /* 146 KP_. */
	241	0x47, /* 147 KP_HOME */
	242	0x48, /* 148 KP_UP */
	243	0x49, /* 149 KP_PgUp */
	244	0x4b, /* 150 KP_Left */
	245	0x4c, /* 151 KP_ */
	246	0x4d, /* 152 KP_Right */
	247	0x4f, /* 153 KP_End */
	248	0x50, /* 154 KP_Down */
	249	0x51, /* 155 KP_PgDn */
	250	0x52, /* 156 KP_Ins */
	251	0x53, /* 157 KP_Del */
	252	};
	253
e58d12ed FB	254	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	255	{
	256	int keycode;
	257
	258	keycode = ev->keysym.scancode;
	259
	260	if (keycode < 9) {
	261	keycode = 0;
	262	} else if (keycode < 97) {
	263	keycode -= 8; /* just an offset */
	264	} else if (keycode < 158) {
	265	/* use conversion table */
	266	keycode = x_keycode_to_pc_keycode[keycode - 97];
	267	} else {
	268	keycode = 0;
	269	}
	270	return keycode;
	271	}
	272
	273	#endif
	274
0f0b7264 FB	275	static void sdl_process_key(SDL_KeyboardEvent *ev)
0f0b7264 FB	276	{
de2200d3 FB	277	int keycode, v, i;
	278	static uint8_t modifiers_state[256];
	279
	280	if (ev->keysym.sym == SDLK_PAUSE) {
	281	/* specific case */
	282	v = 0;
	283	if (ev->type == SDL_KEYUP)
	284	v \|= 0x80;
	285	kbd_put_keycode(0xe1);
	286	kbd_put_keycode(0x1d \| v);
	287	kbd_put_keycode(0x45 \| v);
	288	return;
	289	}
	290
0f0b7264	291	/* XXX: not portable, but avoids complicated mappings */
e58d12ed	292	keycode = sdl_keyevent_to_keycode(ev);
de2200d3 FB	293
	294	switch(keycode) {
	295	case 0x00:
	296	/* sent when leaving window: reset the modifiers state */
	297	for(i = 0; i < 256; i++) {
	298	if (modifiers_state[i]) {
	299	if (i & 0x80)
	300	kbd_put_keycode(0xe0);
	301	kbd_put_keycode(i \| 0x80);
	302	}
	303	}
	304	return;
	305	case 0x2a: /* Left Shift */
	306	case 0x36: /* Right Shift */
	307	case 0x1d: /* Left CTRL */
	308	case 0x9d: /* Right CTRL */
	309	case 0x38: /* Left ALT */
	310	case 0xb8: /* Right ALT */
0f0b7264	311	if (ev->type == SDL_KEYUP)
de2200d3 FB	312	modifiers_state[keycode] = 0;
	313	else
	314	modifiers_state[keycode] = 1;
	315	break;
	316	case 0x45: /* num lock */
	317	case 0x3a: /* caps lock */
	318	/* SDL does not send the key up event, so we generate it */
	319	kbd_put_keycode(keycode);
	320	kbd_put_keycode(keycode \| 0x80);
	321	return;
0f0b7264	322	}
de2200d3 FB	323
	324	/* now send the key code */
	325	if (keycode & 0x80)
	326	kbd_put_keycode(0xe0);
	327	if (ev->type == SDL_KEYUP)
	328	kbd_put_keycode(keycode \| 0x80);
	329	else
	330	kbd_put_keycode(keycode & 0x7f);
0f0b7264 FB	331	}
0f0b7264 FB	332
8a7ddc38 FB	333	static void sdl_update_caption(void)
	334	{
	335	char buf[1024];
	336	strcpy(buf, "QEMU");
	337	if (!vm_running) {
	338	strcat(buf, " [Stopped]");
	339	}
	340	if (gui_grab) {
	341	strcat(buf, " - Press Ctrl-Shift to exit grab");
	342	}
	343	SDL_WM_SetCaption(buf, "QEMU");
	344	}
	345
0f0b7264 FB	346	static void sdl_grab_start(void)
0f0b7264 FB	347	{
0f0b7264 FB	348	SDL_ShowCursor(0);
	349	SDL_WM_GrabInput(SDL_GRAB_ON);
	350	/* dummy read to avoid moving the mouse */
	351	SDL_GetRelativeMouseState(NULL, NULL);
	352	gui_grab = 1;
8a7ddc38	353	sdl_update_caption();
0f0b7264 FB	354	}
	355
	356	static void sdl_grab_end(void)
	357	{
0f0b7264 FB	358	SDL_WM_GrabInput(SDL_GRAB_OFF);
	359	SDL_ShowCursor(1);
	360	gui_grab = 0;
8a7ddc38	361	sdl_update_caption();
0f0b7264 FB	362	}
	363
	364	static void sdl_send_mouse_event(void)
	365	{
	366	int dx, dy, dz, state, buttons;
	367	state = SDL_GetRelativeMouseState(&dx, &dy);
	368	buttons = 0;
	369	if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
	370	buttons \|= MOUSE_EVENT_LBUTTON;
	371	if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
	372	buttons \|= MOUSE_EVENT_RBUTTON;
	373	if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
	374	buttons \|= MOUSE_EVENT_MBUTTON;
	375	/* XXX: test wheel */
	376	dz = 0;
8351d2d4	377	#ifdef SDL_BUTTON_WHEELUP
0f0b7264 FB	378	if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
	379	dz--;
	380	if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
	381	dz++;
8351d2d4	382	#endif
0f0b7264 FB	383	kbd_mouse_event(dx, dy, dz, buttons);
	384	}
	385
8e9c4afe FB	386	static void toggle_full_screen(DisplayState *ds)
	387	{
	388	gui_fullscreen = !gui_fullscreen;
	389	sdl_resize(ds, screen->w, screen->h);
	390	if (gui_fullscreen) {
	391	gui_saved_grab = gui_grab;
	392	sdl_grab_start();
	393	} else {
	394	if (!gui_saved_grab)
	395	sdl_grab_end();
	396	}
ee38b4c8	397	vga_invalidate_display();
8e9c4afe	398	vga_update_display();
8e9c4afe FB	399	}
8e9c4afe FB	400
0f0b7264 FB	401	static void sdl_refresh(DisplayState *ds)
	402	{
	403	SDL_Event ev1, *ev = &ev1;
8e9c4afe FB	404	int mod_state;
8e9c4afe FB	405
8a7ddc38 FB	406	if (last_vm_running != vm_running) {
	407	last_vm_running = vm_running;
	408	sdl_update_caption();
	409	}
	410
0f0b7264 FB	411	vga_update_display();
	412	while (SDL_PollEvent(ev)) {
	413	switch (ev->type) {
	414	case SDL_VIDEOEXPOSE:
	415	sdl_update(ds, 0, 0, screen->w, screen->h);
	416	break;
	417	case SDL_KEYDOWN:
	418	case SDL_KEYUP:
	419	if (ev->type == SDL_KEYDOWN) {
8e9c4afe FB	420	mod_state = (SDL_GetModState() & (KMOD_LSHIFT \| KMOD_LCTRL)) ==
	421	(KMOD_LSHIFT \| KMOD_LCTRL);
	422	gui_key_modifier_pressed = mod_state;
	423	if (gui_key_modifier_pressed &&
	424	ev->key.keysym.sym == SDLK_f) {
	425	gui_keysym = ev->key.keysym.sym;
	426	}
	427	} else if (ev->type == SDL_KEYUP) {
	428	mod_state = (SDL_GetModState() & (KMOD_LSHIFT \| KMOD_LCTRL));
	429	if (!mod_state) {
	430	if (gui_key_modifier_pressed) {
	431	switch(gui_keysym) {
	432	case SDLK_f:
	433	toggle_full_screen(ds);
	434	break;
	435	case 0:
	436	/* exit/enter grab if pressing Ctrl-Shift */
	437	if (!gui_grab)
	438	sdl_grab_start();
	439	else
	440	sdl_grab_end();
	441	break;
	442	}
	443	gui_key_modifier_pressed = 0;
	444	gui_keysym = 0;
	445	}
0f0b7264 FB	446	}
	447	}
	448	sdl_process_key(&ev->key);
	449	break;
	450	case SDL_QUIT:
979a54fb	451	qemu_system_shutdown_request();
0f0b7264 FB	452	break;
	453	case SDL_MOUSEMOTION:
	454	if (gui_grab) {
	455	sdl_send_mouse_event();
	456	}
	457	break;
	458	case SDL_MOUSEBUTTONDOWN:
	459	case SDL_MOUSEBUTTONUP:
	460	{
	461	SDL_MouseButtonEvent *bev = &ev->button;
	462	if (!gui_grab) {
	463	if (ev->type == SDL_MOUSEBUTTONDOWN &&
	464	(bev->state & SDL_BUTTON_LMASK)) {
	465	/* start grabbing all events */
	466	sdl_grab_start();
	467	}
	468	} else {
	469	sdl_send_mouse_event();
	470	}
	471	}
	472	break;
0294ffb9 FB	473	case SDL_ACTIVEEVENT:
	474	if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0) {
	475	sdl_grab_end();
	476	}
	477	break;
0f0b7264 FB	478	default:
	479	break;
	480	}
	481	}
	482	}
	483
898712a8 FB	484	static void sdl_cleanup(void)
	485	{
	486	SDL_Quit();
	487	}
	488
0f0b7264 FB	489	void sdl_display_init(DisplayState *ds)
	490	{
	491	int flags;
	492
	493	flags = SDL_INIT_VIDEO \| SDL_INIT_NOPARACHUTE;
	494	if (SDL_Init (flags)) {
	495	fprintf(stderr, "Could not initialize SDL - exiting\n");
	496	exit(1);
	497	}
67b915a5 FB	498
67b915a5 FB	499	#ifndef _WIN32
0ae04d73 FB	500	/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
	501	signal(SIGINT, SIG_DFL);
	502	signal(SIGQUIT, SIG_DFL);
67b915a5	503	#endif
0ae04d73	504
0f0b7264 FB	505	ds->dpy_update = sdl_update;
	506	ds->dpy_resize = sdl_resize;
	507	ds->dpy_refresh = sdl_refresh;
	508
	509	sdl_resize(ds, 640, 400);
8a7ddc38	510	sdl_update_caption();
0f0b7264 FB	511	SDL_EnableKeyRepeat(250, 50);
0f0b7264 FB	512	gui_grab = 0;
898712a8 FB	513
898712a8 FB	514	atexit(sdl_cleanup);
0f0b7264	515	}