[mirror_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 int gui_fullscreen_initial_grab;
static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
static uint8_t modifiers_state[256];

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;
    if (gui_fullscreen)
        flags |= SDL_FULLSCREEN;

 again:
    screen = SDL_SetVideoMode(w, h, 0, flags);
    if (!screen) {
        fprintf(stderr, "Could not open SDL display\n");
        exit(1);
    }
    if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
        flags &= ~SDL_HWSURFACE;
        goto again;
    }

    if (!screen->pixels) {
        fprintf(stderr, "Could not open SDL display\n");
        exit(1);
    }
    ds->data = screen->pixels;
    ds->linesize = screen->pitch;
    ds->depth = screen->format->BitsPerPixel;
    ds->width = w;
    ds->height = h;
}

/* generic keyboard conversion */

#include "sdl_keysym.h"
#include "keymaps.c"

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;
    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

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 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];
    strcpy(buf, "QEMU");
    if (!vm_running) {
        strcat(buf, " [Stopped]");
    }
    if (gui_grab) {
        strcat(buf, " - Press Ctrl-Alt 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(int dz)
{
    int dx, dy, 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;
    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();
    }

    if (is_active_console(vga_console)) 
        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() & gui_grab_code) ==
                    gui_grab_code;
                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 */ 
                        console_select(keycode - 0x02);
                        if (is_active_console(vga_console)) {
                            /* tell the vga console to redisplay itself */
                            vga_invalidate_display();
                        } else {
                            /* display grab if going to a text console */
                            if (gui_grab)
                                sdl_grab_end();
                        }
                        gui_keysym = 1;
                        break;
                    default:
                        break;
                    }
                } else if (!is_active_console(vga_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) {
                mod_state = (ev->key.keysym.mod & gui_grab_code);
                if (!mod_state) {
                    if (gui_key_modifier_pressed) {
                        if (gui_keysym == 0) {
                            /* exit/enter grab if pressing Ctrl-Alt */
                            if (!gui_grab)
                                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_key_modifier_pressed = 0;
                        gui_keysym = 0;
                    }
                }
            }
            if (is_active_console(vga_console)) 
                sdl_process_key(&ev->key);
            break;
        case SDL_QUIT:
            qemu_system_shutdown_request();
            break;
        case SDL_MOUSEMOTION:
            if (gui_grab) {
                sdl_send_mouse_event(0);
            }
            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 {
                    int dz;
                    dz = 0;
#ifdef SDL_BUTTON_WHEELUP
                    if (bev->button == SDL_BUTTON_WHEELUP) {
                        dz = -1;
                    } else if (bev->button == SDL_BUTTON_WHEELDOWN) {
                        dz = 1;
                    }
#endif               
                    sdl_send_mouse_event(dz);
                }
            }
            break;
        case SDL_ACTIVEEVENT:
            if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0 &&
                !gui_fullscreen_initial_grab) {
                sdl_grab_end();
            }
            break;
        default:
            break;
        }
    }
}

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

void sdl_display_init(DisplayState *ds, int full_screen)
{
    int flags;

#if defined(__APPLE__)
    /* always use generic keymaps */
    if (!keyboard_layout)
        keyboard_layout = "en-us";
#endif
    if(keyboard_layout) {
        kbd_layout = init_keyboard_layout(keyboard_layout);
        if (!kbd_layout)
            exit(1);
    }

    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);
    SDL_EnableUNICODE(1);
    gui_grab = 0;

    atexit(sdl_cleanup);
    if (full_screen) {
        gui_fullscreen = 1;
        gui_fullscreen_initial_grab = 1;
        sdl_grab_start();
    }
}
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;
d63d307f	39	static int gui_fullscreen_initial_grab;
32ff25bf FB	40	static int gui_grab_code = KMOD_LALT \| KMOD_LCTRL;
32ff25bf FB	41	static uint8_t modifiers_state[256];
0f0b7264 FB	42
	43	static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
	44	{
898712a8	45	// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
0f0b7264 FB	46	SDL_UpdateRect(screen, x, y, w, h);
	47	}
	48
	49	static void sdl_resize(DisplayState *ds, int w, int h)
	50	{
	51	int flags;
	52
	53	// printf("resizing to %d %d\n", w, h);
	54
	55	flags = SDL_HWSURFACE\|SDL_ASYNCBLIT\|SDL_HWACCEL;
8e9c4afe FB	56	if (gui_fullscreen)
8e9c4afe FB	57	flags \|= SDL_FULLSCREEN;
9903da21 FB	58
9903da21 FB	59	again:
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	}
9903da21 FB	65	if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
	66	flags &= ~SDL_HWSURFACE;
	67	goto again;
	68	}
	69
	70	if (!screen->pixels) {
	71	fprintf(stderr, "Could not open SDL display\n");
	72	exit(1);
	73	}
0f0b7264 FB	74	ds->data = screen->pixels;
	75	ds->linesize = screen->pitch;
	76	ds->depth = screen->format->BitsPerPixel;
457831f4 FB	77	ds->width = w;
457831f4 FB	78	ds->height = h;
0f0b7264 FB	79	}
0f0b7264 FB	80
3d11d0eb	81	/* generic keyboard conversion */
e58d12ed	82
3d11d0eb FB	83	#include "sdl_keysym.h"
	84	#include "keymaps.c"
	85
	86	static kbd_layout_t *kbd_layout = NULL;
	87
	88	static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
e58d12ed	89	{
3d11d0eb FB	90	int keysym;
	91	/* workaround for X11+SDL bug with AltGR */
	92	keysym = ev->keysym.sym;
	93	if (keysym == 0 && ev->keysym.scancode == 113)
	94	keysym = SDLK_MODE;
	95	return keysym2scancode(kbd_layout, keysym);
e58d12ed FB	96	}
e58d12ed FB	97
3d11d0eb FB	98	/* specific keyboard conversions from scan codes */
	99
	100	#if defined(_WIN32)
e58d12ed FB	101
	102	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	103	{
	104	return ev->keysym.scancode;
	105	}
	106
	107	#else
	108
de2200d3 FB	109	static const uint8_t x_keycode_to_pc_keycode[61] = {
	110	0xc7, /* 97 Home */
	111	0xc8, /* 98 Up */
	112	0xc9, /* 99 PgUp */
	113	0xcb, /* 100 Left */
0f0b7264	114	0x4c, /* 101 KP-5 */
de2200d3 FB	115	0xcd, /* 102 Right */
	116	0xcf, /* 103 End */
	117	0xd0, /* 104 Down */
	118	0xd1, /* 105 PgDn */
	119	0xd2, /* 106 Ins */
	120	0xd3, /* 107 Del */
	121	0x9c, /* 108 Enter */
	122	0x9d, /* 109 Ctrl-R */
22a56b8a	123	0x0, /* 110 Pause */
de2200d3 FB	124	0xb7, /* 111 Print */
	125	0xb5, /* 112 Divide */
	126	0xb8, /* 113 Alt-R */
	127	0xc6, /* 114 Break */
0f0b7264 FB	128	0x0, /* 115 */
	129	0x0, /* 116 */
	130	0x0, /* 117 */
	131	0x0, /* 118 */
	132	0x0, /* 119 */
b71e95fc	133	0x70, /* 120 Hiragana_Katakana */
0f0b7264 FB	134	0x0, /* 121 */
0f0b7264 FB	135	0x0, /* 122 */
b71e95fc	136	0x73, /* 123 backslash */
0f0b7264 FB	137	0x0, /* 124 */
	138	0x0, /* 125 */
	139	0x0, /* 126 */
	140	0x0, /* 127 */
	141	0x0, /* 128 */
b71e95fc	142	0x79, /* 129 Henkan */
0f0b7264	143	0x0, /* 130 */
b71e95fc	144	0x7b, /* 131 Muhenkan */
0f0b7264	145	0x0, /* 132 */
b71e95fc	146	0x7d, /* 133 Yen */
0f0b7264 FB	147	0x0, /* 134 */
	148	0x0, /* 135 */
	149	0x47, /* 136 KP_7 */
	150	0x48, /* 137 KP_8 */
	151	0x49, /* 138 KP_9 */
	152	0x4b, /* 139 KP_4 */
	153	0x4c, /* 140 KP_5 */
	154	0x4d, /* 141 KP_6 */
	155	0x4f, /* 142 KP_1 */
	156	0x50, /* 143 KP_2 */
	157	0x51, /* 144 KP_3 */
	158	0x52, /* 145 KP_0 */
	159	0x53, /* 146 KP_. */
	160	0x47, /* 147 KP_HOME */
	161	0x48, /* 148 KP_UP */
	162	0x49, /* 149 KP_PgUp */
	163	0x4b, /* 150 KP_Left */
	164	0x4c, /* 151 KP_ */
	165	0x4d, /* 152 KP_Right */
	166	0x4f, /* 153 KP_End */
	167	0x50, /* 154 KP_Down */
	168	0x51, /* 155 KP_PgDn */
	169	0x52, /* 156 KP_Ins */
	170	0x53, /* 157 KP_Del */
	171	};
	172
e58d12ed FB	173	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	174	{
	175	int keycode;
	176
	177	keycode = ev->keysym.scancode;
	178
	179	if (keycode < 9) {
	180	keycode = 0;
	181	} else if (keycode < 97) {
	182	keycode -= 8; /* just an offset */
	183	} else if (keycode < 158) {
	184	/* use conversion table */
	185	keycode = x_keycode_to_pc_keycode[keycode - 97];
	186	} else {
	187	keycode = 0;
	188	}
	189	return keycode;
	190	}
	191
	192	#endif
	193
32ff25bf FB	194	static void reset_keys(void)
	195	{
	196	int i;
	197	for(i = 0; i < 256; i++) {
	198	if (modifiers_state[i]) {
	199	if (i & 0x80)
	200	kbd_put_keycode(0xe0);
	201	kbd_put_keycode(i \| 0x80);
	202	modifiers_state[i] = 0;
	203	}
	204	}
	205	}
	206
0f0b7264 FB	207	static void sdl_process_key(SDL_KeyboardEvent *ev)
0f0b7264 FB	208	{
32ff25bf	209	int keycode, v;
de2200d3 FB	210
	211	if (ev->keysym.sym == SDLK_PAUSE) {
	212	/* specific case */
	213	v = 0;
	214	if (ev->type == SDL_KEYUP)
	215	v \|= 0x80;
	216	kbd_put_keycode(0xe1);
	217	kbd_put_keycode(0x1d \| v);
	218	kbd_put_keycode(0x45 \| v);
	219	return;
	220	}
	221
3d11d0eb FB	222	if (kbd_layout) {
	223	keycode = sdl_keyevent_to_keycode_generic(ev);
	224	} else {
	225	keycode = sdl_keyevent_to_keycode(ev);
	226	}
de2200d3 FB	227
	228	switch(keycode) {
	229	case 0x00:
	230	/* sent when leaving window: reset the modifiers state */
32ff25bf	231	reset_keys();
de2200d3 FB	232	return;
	233	case 0x2a: /* Left Shift */
	234	case 0x36: /* Right Shift */
	235	case 0x1d: /* Left CTRL */
	236	case 0x9d: /* Right CTRL */
	237	case 0x38: /* Left ALT */
	238	case 0xb8: /* Right ALT */
0f0b7264	239	if (ev->type == SDL_KEYUP)
de2200d3 FB	240	modifiers_state[keycode] = 0;
	241	else
	242	modifiers_state[keycode] = 1;
	243	break;
	244	case 0x45: /* num lock */
	245	case 0x3a: /* caps lock */
	246	/* SDL does not send the key up event, so we generate it */
	247	kbd_put_keycode(keycode);
	248	kbd_put_keycode(keycode \| 0x80);
	249	return;
0f0b7264	250	}
de2200d3 FB	251
	252	/* now send the key code */
	253	if (keycode & 0x80)
	254	kbd_put_keycode(0xe0);
	255	if (ev->type == SDL_KEYUP)
	256	kbd_put_keycode(keycode \| 0x80);
	257	else
	258	kbd_put_keycode(keycode & 0x7f);
0f0b7264 FB	259	}
0f0b7264 FB	260
8a7ddc38 FB	261	static void sdl_update_caption(void)
	262	{
	263	char buf[1024];
	264	strcpy(buf, "QEMU");
	265	if (!vm_running) {
	266	strcat(buf, " [Stopped]");
	267	}
	268	if (gui_grab) {
32ff25bf	269	strcat(buf, " - Press Ctrl-Alt to exit grab");
8a7ddc38 FB	270	}
	271	SDL_WM_SetCaption(buf, "QEMU");
	272	}
	273
0f0b7264 FB	274	static void sdl_grab_start(void)
0f0b7264 FB	275	{
0f0b7264 FB	276	SDL_ShowCursor(0);
	277	SDL_WM_GrabInput(SDL_GRAB_ON);
	278	/* dummy read to avoid moving the mouse */
	279	SDL_GetRelativeMouseState(NULL, NULL);
	280	gui_grab = 1;
8a7ddc38	281	sdl_update_caption();
0f0b7264 FB	282	}
	283
	284	static void sdl_grab_end(void)
	285	{
0f0b7264 FB	286	SDL_WM_GrabInput(SDL_GRAB_OFF);
	287	SDL_ShowCursor(1);
	288	gui_grab = 0;
8a7ddc38	289	sdl_update_caption();
0f0b7264 FB	290	}
0f0b7264 FB	291
18a6d284	292	static void sdl_send_mouse_event(int dz)
0f0b7264	293	{
18a6d284	294	int dx, dy, state, buttons;
0f0b7264 FB	295	state = SDL_GetRelativeMouseState(&dx, &dy);
	296	buttons = 0;
	297	if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
	298	buttons \|= MOUSE_EVENT_LBUTTON;
	299	if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
	300	buttons \|= MOUSE_EVENT_RBUTTON;
	301	if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
	302	buttons \|= MOUSE_EVENT_MBUTTON;
0f0b7264 FB	303	kbd_mouse_event(dx, dy, dz, buttons);
	304	}
	305
8e9c4afe FB	306	static void toggle_full_screen(DisplayState *ds)
	307	{
	308	gui_fullscreen = !gui_fullscreen;
	309	sdl_resize(ds, screen->w, screen->h);
	310	if (gui_fullscreen) {
	311	gui_saved_grab = gui_grab;
	312	sdl_grab_start();
	313	} else {
	314	if (!gui_saved_grab)
	315	sdl_grab_end();
	316	}
ee38b4c8	317	vga_invalidate_display();
8e9c4afe	318	vga_update_display();
8e9c4afe FB	319	}
8e9c4afe FB	320
0f0b7264 FB	321	static void sdl_refresh(DisplayState *ds)
	322	{
	323	SDL_Event ev1, *ev = &ev1;
8e9c4afe FB	324	int mod_state;
8e9c4afe FB	325
8a7ddc38 FB	326	if (last_vm_running != vm_running) {
	327	last_vm_running = vm_running;
	328	sdl_update_caption();
	329	}
	330
457831f4 FB	331	if (is_active_console(vga_console))
	332	vga_update_display();
	333
0f0b7264 FB	334	while (SDL_PollEvent(ev)) {
	335	switch (ev->type) {
	336	case SDL_VIDEOEXPOSE:
	337	sdl_update(ds, 0, 0, screen->w, screen->h);
	338	break;
	339	case SDL_KEYDOWN:
	340	case SDL_KEYUP:
	341	if (ev->type == SDL_KEYDOWN) {
32ff25bf FB	342	mod_state = (SDL_GetModState() & gui_grab_code) ==
32ff25bf FB	343	gui_grab_code;
8e9c4afe	344	gui_key_modifier_pressed = mod_state;
457831f4	345	if (gui_key_modifier_pressed) {
32ff25bf FB	346	int keycode;
	347	keycode = sdl_keyevent_to_keycode(&ev->key);
	348	switch(keycode) {
	349	case 0x21: /* 'f' key on US keyboard */
457831f4 FB	350	toggle_full_screen(ds);
	351	gui_keysym = 1;
	352	break;
32ff25bf FB	353	case 0x02 ... 0x0a: /* '1' to '9' keys */
32ff25bf FB	354	console_select(keycode - 0x02);
457831f4 FB	355	if (is_active_console(vga_console)) {
	356	/* tell the vga console to redisplay itself */
	357	vga_invalidate_display();
	358	} else {
	359	/* display grab if going to a text console */
	360	if (gui_grab)
	361	sdl_grab_end();
	362	}
	363	gui_keysym = 1;
	364	break;
	365	default:
	366	break;
	367	}
32ff25bf	368	} else if (!is_active_console(vga_console)) {
457831f4 FB	369	int keysym;
	370	keysym = 0;
	371	if (ev->key.keysym.mod & (KMOD_LCTRL \| KMOD_RCTRL)) {
	372	switch(ev->key.keysym.sym) {
	373	case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
	374	case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
	375	case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
	376	case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
	377	case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
	378	case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
	379	case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
	380	case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
	381	default: break;
	382	}
	383	} else {
	384	switch(ev->key.keysym.sym) {
	385	case SDLK_UP: keysym = QEMU_KEY_UP; break;
	386	case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
	387	case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
	388	case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
	389	case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
	390	case SDLK_END: keysym = QEMU_KEY_END; break;
	391	case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
	392	case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
	393	case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
	394	default: break;
	395	}
	396	}
	397	if (keysym) {
	398	kbd_put_keysym(keysym);
	399	} else if (ev->key.keysym.unicode != 0) {
	400	kbd_put_keysym(ev->key.keysym.unicode);
	401	}
8e9c4afe FB	402	}
8e9c4afe FB	403	} else if (ev->type == SDL_KEYUP) {
bf2b84e4	404	mod_state = (ev->key.keysym.mod & gui_grab_code);
8e9c4afe FB	405	if (!mod_state) {
8e9c4afe FB	406	if (gui_key_modifier_pressed) {
457831f4	407	if (gui_keysym == 0) {
32ff25bf	408	/* exit/enter grab if pressing Ctrl-Alt */
8e9c4afe FB	409	if (!gui_grab)
	410	sdl_grab_start();
	411	else
	412	sdl_grab_end();
32ff25bf FB	413	/* SDL does not send back all the
	414	modifiers key, so we must correct it */
	415	reset_keys();
8e9c4afe FB	416	break;
	417	}
	418	gui_key_modifier_pressed = 0;
	419	gui_keysym = 0;
	420	}
0f0b7264 FB	421	}
0f0b7264 FB	422	}
457831f4 FB	423	if (is_active_console(vga_console))
457831f4 FB	424	sdl_process_key(&ev->key);
0f0b7264 FB	425	break;
0f0b7264 FB	426	case SDL_QUIT:
979a54fb	427	qemu_system_shutdown_request();
0f0b7264 FB	428	break;
	429	case SDL_MOUSEMOTION:
	430	if (gui_grab) {
18a6d284	431	sdl_send_mouse_event(0);
0f0b7264 FB	432	}
	433	break;
	434	case SDL_MOUSEBUTTONDOWN:
	435	case SDL_MOUSEBUTTONUP:
	436	{
	437	SDL_MouseButtonEvent *bev = &ev->button;
	438	if (!gui_grab) {
	439	if (ev->type == SDL_MOUSEBUTTONDOWN &&
	440	(bev->state & SDL_BUTTON_LMASK)) {
	441	/* start grabbing all events */
	442	sdl_grab_start();
	443	}
	444	} else {
18a6d284 FB	445	int dz;
	446	dz = 0;
	447	#ifdef SDL_BUTTON_WHEELUP
	448	if (bev->button == SDL_BUTTON_WHEELUP) {
	449	dz = -1;
	450	} else if (bev->button == SDL_BUTTON_WHEELDOWN) {
	451	dz = 1;
	452	}
	453	#endif
	454	sdl_send_mouse_event(dz);
0f0b7264 FB	455	}
	456	}
	457	break;
0294ffb9	458	case SDL_ACTIVEEVENT:
d63d307f FB	459	if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0 &&
d63d307f FB	460	!gui_fullscreen_initial_grab) {
0294ffb9 FB	461	sdl_grab_end();
	462	}
	463	break;
0f0b7264 FB	464	default:
	465	break;
	466	}
	467	}
	468	}
	469
898712a8 FB	470	static void sdl_cleanup(void)
	471	{
	472	SDL_Quit();
	473	}
	474
d63d307f	475	void sdl_display_init(DisplayState *ds, int full_screen)
0f0b7264 FB	476	{
	477	int flags;
	478
3d11d0eb FB	479	#if defined(__APPLE__)
	480	/* always use generic keymaps */
	481	if (!keyboard_layout)
	482	keyboard_layout = "en-us";
	483	#endif
	484	if(keyboard_layout) {
	485	kbd_layout = init_keyboard_layout(keyboard_layout);
	486	if (!kbd_layout)
	487	exit(1);
	488	}
	489
0f0b7264 FB	490	flags = SDL_INIT_VIDEO \| SDL_INIT_NOPARACHUTE;
	491	if (SDL_Init (flags)) {
	492	fprintf(stderr, "Could not initialize SDL - exiting\n");
	493	exit(1);
	494	}
67b915a5	495	#ifndef _WIN32
0ae04d73 FB	496	/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
	497	signal(SIGINT, SIG_DFL);
	498	signal(SIGQUIT, SIG_DFL);
67b915a5	499	#endif
0ae04d73	500
0f0b7264 FB	501	ds->dpy_update = sdl_update;
	502	ds->dpy_resize = sdl_resize;
	503	ds->dpy_refresh = sdl_refresh;
	504
	505	sdl_resize(ds, 640, 400);
8a7ddc38	506	sdl_update_caption();
0f0b7264	507	SDL_EnableKeyRepeat(250, 50);
457831f4	508	SDL_EnableUNICODE(1);
0f0b7264	509	gui_grab = 0;
898712a8 FB	510
898712a8 FB	511	atexit(sdl_cleanup);
d63d307f FB	512	if (full_screen) {
	513	gui_fullscreen = 1;
	514	gui_fullscreen_initial_grab = 1;
	515	sdl_grab_start();
	516	}
0f0b7264	517	}