[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;
    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;
    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(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();
    }

    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();
            }
            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 &&
                !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;
	56	flags \|= SDL_RESIZABLE;
8e9c4afe FB	57	if (gui_fullscreen)
8e9c4afe FB	58	flags \|= SDL_FULLSCREEN;
0f0b7264 FB	59	screen = SDL_SetVideoMode(w, h, 0, flags);
	60	if (!screen) {
	61	fprintf(stderr, "Could not open SDL display\n");
	62	exit(1);
	63	}
	64	ds->data = screen->pixels;
	65	ds->linesize = screen->pitch;
	66	ds->depth = screen->format->BitsPerPixel;
457831f4 FB	67	ds->width = w;
457831f4 FB	68	ds->height = h;
0f0b7264 FB	69	}
0f0b7264 FB	70
3d11d0eb	71	/* generic keyboard conversion */
e58d12ed	72
3d11d0eb FB	73	#include "sdl_keysym.h"
	74	#include "keymaps.c"
	75
	76	static kbd_layout_t *kbd_layout = NULL;
	77
	78	static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
e58d12ed	79	{
3d11d0eb FB	80	int keysym;
	81	/* workaround for X11+SDL bug with AltGR */
	82	keysym = ev->keysym.sym;
	83	if (keysym == 0 && ev->keysym.scancode == 113)
	84	keysym = SDLK_MODE;
	85	return keysym2scancode(kbd_layout, keysym);
e58d12ed FB	86	}
e58d12ed FB	87
3d11d0eb FB	88	/* specific keyboard conversions from scan codes */
	89
	90	#if defined(_WIN32)
e58d12ed FB	91
	92	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	93	{
	94	return ev->keysym.scancode;
	95	}
	96
	97	#else
	98
de2200d3 FB	99	static const uint8_t x_keycode_to_pc_keycode[61] = {
	100	0xc7, /* 97 Home */
	101	0xc8, /* 98 Up */
	102	0xc9, /* 99 PgUp */
	103	0xcb, /* 100 Left */
0f0b7264	104	0x4c, /* 101 KP-5 */
de2200d3 FB	105	0xcd, /* 102 Right */
	106	0xcf, /* 103 End */
	107	0xd0, /* 104 Down */
	108	0xd1, /* 105 PgDn */
	109	0xd2, /* 106 Ins */
	110	0xd3, /* 107 Del */
	111	0x9c, /* 108 Enter */
	112	0x9d, /* 109 Ctrl-R */
22a56b8a	113	0x0, /* 110 Pause */
de2200d3 FB	114	0xb7, /* 111 Print */
	115	0xb5, /* 112 Divide */
	116	0xb8, /* 113 Alt-R */
	117	0xc6, /* 114 Break */
0f0b7264 FB	118	0x0, /* 115 */
	119	0x0, /* 116 */
	120	0x0, /* 117 */
	121	0x0, /* 118 */
	122	0x0, /* 119 */
b71e95fc	123	0x70, /* 120 Hiragana_Katakana */
0f0b7264 FB	124	0x0, /* 121 */
0f0b7264 FB	125	0x0, /* 122 */
b71e95fc	126	0x73, /* 123 backslash */
0f0b7264 FB	127	0x0, /* 124 */
	128	0x0, /* 125 */
	129	0x0, /* 126 */
	130	0x0, /* 127 */
	131	0x0, /* 128 */
b71e95fc	132	0x79, /* 129 Henkan */
0f0b7264	133	0x0, /* 130 */
b71e95fc	134	0x7b, /* 131 Muhenkan */
0f0b7264	135	0x0, /* 132 */
b71e95fc	136	0x7d, /* 133 Yen */
0f0b7264 FB	137	0x0, /* 134 */
	138	0x0, /* 135 */
	139	0x47, /* 136 KP_7 */
	140	0x48, /* 137 KP_8 */
	141	0x49, /* 138 KP_9 */
	142	0x4b, /* 139 KP_4 */
	143	0x4c, /* 140 KP_5 */
	144	0x4d, /* 141 KP_6 */
	145	0x4f, /* 142 KP_1 */
	146	0x50, /* 143 KP_2 */
	147	0x51, /* 144 KP_3 */
	148	0x52, /* 145 KP_0 */
	149	0x53, /* 146 KP_. */
	150	0x47, /* 147 KP_HOME */
	151	0x48, /* 148 KP_UP */
	152	0x49, /* 149 KP_PgUp */
	153	0x4b, /* 150 KP_Left */
	154	0x4c, /* 151 KP_ */
	155	0x4d, /* 152 KP_Right */
	156	0x4f, /* 153 KP_End */
	157	0x50, /* 154 KP_Down */
	158	0x51, /* 155 KP_PgDn */
	159	0x52, /* 156 KP_Ins */
	160	0x53, /* 157 KP_Del */
	161	};
	162
e58d12ed FB	163	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	164	{
	165	int keycode;
	166
	167	keycode = ev->keysym.scancode;
	168
	169	if (keycode < 9) {
	170	keycode = 0;
	171	} else if (keycode < 97) {
	172	keycode -= 8; /* just an offset */
	173	} else if (keycode < 158) {
	174	/* use conversion table */
	175	keycode = x_keycode_to_pc_keycode[keycode - 97];
	176	} else {
	177	keycode = 0;
	178	}
	179	return keycode;
	180	}
	181
	182	#endif
	183
32ff25bf FB	184	static void reset_keys(void)
	185	{
	186	int i;
	187	for(i = 0; i < 256; i++) {
	188	if (modifiers_state[i]) {
	189	if (i & 0x80)
	190	kbd_put_keycode(0xe0);
	191	kbd_put_keycode(i \| 0x80);
	192	modifiers_state[i] = 0;
	193	}
	194	}
	195	}
	196
0f0b7264 FB	197	static void sdl_process_key(SDL_KeyboardEvent *ev)
0f0b7264 FB	198	{
32ff25bf	199	int keycode, v;
de2200d3 FB	200
	201	if (ev->keysym.sym == SDLK_PAUSE) {
	202	/* specific case */
	203	v = 0;
	204	if (ev->type == SDL_KEYUP)
	205	v \|= 0x80;
	206	kbd_put_keycode(0xe1);
	207	kbd_put_keycode(0x1d \| v);
	208	kbd_put_keycode(0x45 \| v);
	209	return;
	210	}
	211
3d11d0eb FB	212	if (kbd_layout) {
	213	keycode = sdl_keyevent_to_keycode_generic(ev);
	214	} else {
	215	keycode = sdl_keyevent_to_keycode(ev);
	216	}
de2200d3 FB	217
	218	switch(keycode) {
	219	case 0x00:
	220	/* sent when leaving window: reset the modifiers state */
32ff25bf	221	reset_keys();
de2200d3 FB	222	return;
	223	case 0x2a: /* Left Shift */
	224	case 0x36: /* Right Shift */
	225	case 0x1d: /* Left CTRL */
	226	case 0x9d: /* Right CTRL */
	227	case 0x38: /* Left ALT */
	228	case 0xb8: /* Right ALT */
0f0b7264	229	if (ev->type == SDL_KEYUP)
de2200d3 FB	230	modifiers_state[keycode] = 0;
	231	else
	232	modifiers_state[keycode] = 1;
	233	break;
	234	case 0x45: /* num lock */
	235	case 0x3a: /* caps lock */
	236	/* SDL does not send the key up event, so we generate it */
	237	kbd_put_keycode(keycode);
	238	kbd_put_keycode(keycode \| 0x80);
	239	return;
0f0b7264	240	}
de2200d3 FB	241
	242	/* now send the key code */
	243	if (keycode & 0x80)
	244	kbd_put_keycode(0xe0);
	245	if (ev->type == SDL_KEYUP)
	246	kbd_put_keycode(keycode \| 0x80);
	247	else
	248	kbd_put_keycode(keycode & 0x7f);
0f0b7264 FB	249	}
0f0b7264 FB	250
8a7ddc38 FB	251	static void sdl_update_caption(void)
	252	{
	253	char buf[1024];
	254	strcpy(buf, "QEMU");
	255	if (!vm_running) {
	256	strcat(buf, " [Stopped]");
	257	}
	258	if (gui_grab) {
32ff25bf	259	strcat(buf, " - Press Ctrl-Alt to exit grab");
8a7ddc38 FB	260	}
	261	SDL_WM_SetCaption(buf, "QEMU");
	262	}
	263
0f0b7264 FB	264	static void sdl_grab_start(void)
0f0b7264 FB	265	{
0f0b7264 FB	266	SDL_ShowCursor(0);
	267	SDL_WM_GrabInput(SDL_GRAB_ON);
	268	/* dummy read to avoid moving the mouse */
	269	SDL_GetRelativeMouseState(NULL, NULL);
	270	gui_grab = 1;
8a7ddc38	271	sdl_update_caption();
0f0b7264 FB	272	}
	273
	274	static void sdl_grab_end(void)
	275	{
0f0b7264 FB	276	SDL_WM_GrabInput(SDL_GRAB_OFF);
	277	SDL_ShowCursor(1);
	278	gui_grab = 0;
8a7ddc38	279	sdl_update_caption();
0f0b7264 FB	280	}
	281
	282	static void sdl_send_mouse_event(void)
	283	{
	284	int dx, dy, dz, state, buttons;
	285	state = SDL_GetRelativeMouseState(&dx, &dy);
	286	buttons = 0;
	287	if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
	288	buttons \|= MOUSE_EVENT_LBUTTON;
	289	if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
	290	buttons \|= MOUSE_EVENT_RBUTTON;
	291	if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
	292	buttons \|= MOUSE_EVENT_MBUTTON;
	293	/* XXX: test wheel */
	294	dz = 0;
8351d2d4	295	#ifdef SDL_BUTTON_WHEELUP
0f0b7264 FB	296	if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
	297	dz--;
	298	if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
	299	dz++;
8351d2d4	300	#endif
0f0b7264 FB	301	kbd_mouse_event(dx, dy, dz, buttons);
	302	}
	303
8e9c4afe FB	304	static void toggle_full_screen(DisplayState *ds)
	305	{
	306	gui_fullscreen = !gui_fullscreen;
	307	sdl_resize(ds, screen->w, screen->h);
	308	if (gui_fullscreen) {
	309	gui_saved_grab = gui_grab;
	310	sdl_grab_start();
	311	} else {
	312	if (!gui_saved_grab)
	313	sdl_grab_end();
	314	}
ee38b4c8	315	vga_invalidate_display();
8e9c4afe	316	vga_update_display();
8e9c4afe FB	317	}
8e9c4afe FB	318
0f0b7264 FB	319	static void sdl_refresh(DisplayState *ds)
	320	{
	321	SDL_Event ev1, *ev = &ev1;
8e9c4afe FB	322	int mod_state;
8e9c4afe FB	323
8a7ddc38 FB	324	if (last_vm_running != vm_running) {
	325	last_vm_running = vm_running;
	326	sdl_update_caption();
	327	}
	328
457831f4 FB	329	if (is_active_console(vga_console))
	330	vga_update_display();
	331
0f0b7264 FB	332	while (SDL_PollEvent(ev)) {
	333	switch (ev->type) {
	334	case SDL_VIDEOEXPOSE:
	335	sdl_update(ds, 0, 0, screen->w, screen->h);
	336	break;
	337	case SDL_KEYDOWN:
	338	case SDL_KEYUP:
	339	if (ev->type == SDL_KEYDOWN) {
32ff25bf FB	340	mod_state = (SDL_GetModState() & gui_grab_code) ==
32ff25bf FB	341	gui_grab_code;
8e9c4afe	342	gui_key_modifier_pressed = mod_state;
457831f4	343	if (gui_key_modifier_pressed) {
32ff25bf FB	344	int keycode;
	345	keycode = sdl_keyevent_to_keycode(&ev->key);
	346	switch(keycode) {
	347	case 0x21: /* 'f' key on US keyboard */
457831f4 FB	348	toggle_full_screen(ds);
	349	gui_keysym = 1;
	350	break;
32ff25bf FB	351	case 0x02 ... 0x0a: /* '1' to '9' keys */
32ff25bf FB	352	console_select(keycode - 0x02);
457831f4 FB	353	if (is_active_console(vga_console)) {
	354	/* tell the vga console to redisplay itself */
	355	vga_invalidate_display();
	356	} else {
	357	/* display grab if going to a text console */
	358	if (gui_grab)
	359	sdl_grab_end();
	360	}
	361	gui_keysym = 1;
	362	break;
	363	default:
	364	break;
	365	}
32ff25bf	366	} else if (!is_active_console(vga_console)) {
457831f4 FB	367	int keysym;
	368	keysym = 0;
	369	if (ev->key.keysym.mod & (KMOD_LCTRL \| KMOD_RCTRL)) {
	370	switch(ev->key.keysym.sym) {
	371	case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
	372	case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
	373	case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
	374	case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
	375	case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
	376	case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
	377	case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
	378	case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
	379	default: break;
	380	}
	381	} else {
	382	switch(ev->key.keysym.sym) {
	383	case SDLK_UP: keysym = QEMU_KEY_UP; break;
	384	case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
	385	case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
	386	case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
	387	case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
	388	case SDLK_END: keysym = QEMU_KEY_END; break;
	389	case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
	390	case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
	391	case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
	392	default: break;
	393	}
	394	}
	395	if (keysym) {
	396	kbd_put_keysym(keysym);
	397	} else if (ev->key.keysym.unicode != 0) {
	398	kbd_put_keysym(ev->key.keysym.unicode);
	399	}
8e9c4afe FB	400	}
8e9c4afe FB	401	} else if (ev->type == SDL_KEYUP) {
bf2b84e4	402	mod_state = (ev->key.keysym.mod & gui_grab_code);
8e9c4afe FB	403	if (!mod_state) {
8e9c4afe FB	404	if (gui_key_modifier_pressed) {
457831f4	405	if (gui_keysym == 0) {
32ff25bf	406	/* exit/enter grab if pressing Ctrl-Alt */
8e9c4afe FB	407	if (!gui_grab)
	408	sdl_grab_start();
	409	else
	410	sdl_grab_end();
32ff25bf FB	411	/* SDL does not send back all the
	412	modifiers key, so we must correct it */
	413	reset_keys();
8e9c4afe FB	414	break;
	415	}
	416	gui_key_modifier_pressed = 0;
	417	gui_keysym = 0;
	418	}
0f0b7264 FB	419	}
0f0b7264 FB	420	}
457831f4 FB	421	if (is_active_console(vga_console))
457831f4 FB	422	sdl_process_key(&ev->key);
0f0b7264 FB	423	break;
0f0b7264 FB	424	case SDL_QUIT:
979a54fb	425	qemu_system_shutdown_request();
0f0b7264 FB	426	break;
	427	case SDL_MOUSEMOTION:
	428	if (gui_grab) {
	429	sdl_send_mouse_event();
	430	}
	431	break;
	432	case SDL_MOUSEBUTTONDOWN:
	433	case SDL_MOUSEBUTTONUP:
	434	{
	435	SDL_MouseButtonEvent *bev = &ev->button;
	436	if (!gui_grab) {
	437	if (ev->type == SDL_MOUSEBUTTONDOWN &&
	438	(bev->state & SDL_BUTTON_LMASK)) {
	439	/* start grabbing all events */
	440	sdl_grab_start();
	441	}
	442	} else {
	443	sdl_send_mouse_event();
	444	}
	445	}
	446	break;
0294ffb9	447	case SDL_ACTIVEEVENT:
d63d307f FB	448	if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0 &&
d63d307f FB	449	!gui_fullscreen_initial_grab) {
0294ffb9 FB	450	sdl_grab_end();
	451	}
	452	break;
0f0b7264 FB	453	default:
	454	break;
	455	}
	456	}
	457	}
	458
898712a8 FB	459	static void sdl_cleanup(void)
	460	{
	461	SDL_Quit();
	462	}
	463
d63d307f	464	void sdl_display_init(DisplayState *ds, int full_screen)
0f0b7264 FB	465	{
	466	int flags;
	467
3d11d0eb FB	468	#if defined(__APPLE__)
	469	/* always use generic keymaps */
	470	if (!keyboard_layout)
	471	keyboard_layout = "en-us";
	472	#endif
	473	if(keyboard_layout) {
	474	kbd_layout = init_keyboard_layout(keyboard_layout);
	475	if (!kbd_layout)
	476	exit(1);
	477	}
	478
0f0b7264 FB	479	flags = SDL_INIT_VIDEO \| SDL_INIT_NOPARACHUTE;
	480	if (SDL_Init (flags)) {
	481	fprintf(stderr, "Could not initialize SDL - exiting\n");
	482	exit(1);
	483	}
67b915a5	484	#ifndef _WIN32
0ae04d73 FB	485	/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
	486	signal(SIGINT, SIG_DFL);
	487	signal(SIGQUIT, SIG_DFL);
67b915a5	488	#endif
0ae04d73	489
0f0b7264 FB	490	ds->dpy_update = sdl_update;
	491	ds->dpy_resize = sdl_resize;
	492	ds->dpy_refresh = sdl_refresh;
	493
	494	sdl_resize(ds, 640, 400);
8a7ddc38	495	sdl_update_caption();
0f0b7264	496	SDL_EnableKeyRepeat(250, 50);
457831f4	497	SDL_EnableUNICODE(1);
0f0b7264	498	gui_grab = 0;
898712a8 FB	499
898712a8 FB	500	atexit(sdl_cleanup);
d63d307f FB	501	if (full_screen) {
	502	gui_fullscreen = 1;
	503	gui_fullscreen_initial_grab = 1;
	504	sdl_grab_start();
	505	}
0f0b7264	506	}