[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 int width, height;
static SDL_Cursor *sdl_cursor_normal;
static SDL_Cursor *sdl_cursor_hidden;
static int absolute_enabled = 0;

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;

    width = w;
    height = h;

 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;
    if (ds->depth == 32 && screen->format->Rshift == 0) {
        ds->bgr = 1;
    } else {
        ds->bgr = 0;
    }
    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;
    /* For Japanese key '\' and '|' */
    if (keysym == 92 && ev->keysym.scancode == 133) {
        keysym = 0xa5;
    }
    return keysym2scancode(kbd_layout, keysym);
}

/* specific keyboard conversions from scan codes */

#if defined(_WIN32)

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

#else

static const uint8_t x_keycode_to_pc_keycode[115] = {
   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 */
   0x0,         /* 120 */
   0x0,         /* 121 */
   0x0,         /* 122 */
   0x0,         /* 123 */
   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 */
   0x0,         /* 158 */
   0x0,         /* 159 */
   0x0,         /* 160 */
   0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,         /* 170 */
   0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,         /* 180 */
   0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,         /* 190 */
   0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,         /* 200 */
   0x0,         /* 201 */
   0x0,         /* 202 */
   0x0,         /* 203 */
   0x0,         /* 204 */
   0x0,         /* 205 */
   0x0,         /* 206 */
   0x0,         /* 207 */
   0x70,         /* 208 Hiragana_Katakana */
   0x0,         /* 209 */
   0x0,         /* 210 */
   0x73,         /* 211 backslash */
};

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 < 212) {
        /* 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_hide_cursor(void)
{
    if (kbd_mouse_is_absolute()) {
        SDL_ShowCursor(1);
        SDL_SetCursor(sdl_cursor_hidden);
    } else {
        SDL_ShowCursor(0);
    }
}

static void sdl_show_cursor(void)
{
    if (!kbd_mouse_is_absolute()) {
        SDL_ShowCursor(1);
    }
}

static void sdl_grab_start(void)
{
    sdl_hide_cursor();
    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_show_cursor();
    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;

    if (kbd_mouse_is_absolute()) {
	if (!absolute_enabled) {
	    sdl_hide_cursor();
	    if (gui_grab) {
		sdl_grab_end();
	    }
	    absolute_enabled = 1;
	}

	SDL_GetMouseState(&dx, &dy);
	dx = dx * 0x7FFF / width;
	dy = dy * 0x7FFF / height;
    }

    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_hw_invalidate();
    vga_hw_update();
}

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_hw_update();

    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 */ 
                        /* Reset the modifiers sent to the current console */
                        reset_keys();
                        console_select(keycode - 0x02);
                        if (!is_graphic_console()) {
                            /* display grab if going to a text console */
                            if (gui_grab)
                                sdl_grab_end();
                        }
                        gui_keysym = 1;
                        break;
                    default:
                        break;
                    }
                } else if (!is_graphic_console()) {
                    int keysym;
                    keysym = 0;
                    if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
                        switch(ev->key.keysym.sym) {
                        case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
                        case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
                        case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
                        case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
                        case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
                        case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
                        case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
                        case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
                        default: break;
                        }
                    } else {
                        switch(ev->key.keysym.sym) {
                        case SDLK_UP: keysym = QEMU_KEY_UP; break;
                        case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
                        case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
                        case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
                        case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
                        case SDLK_END: keysym = QEMU_KEY_END; break;
                        case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
                        case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
                        case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;                        case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
                        default: break;
                        }
                    }
                    if (keysym) {
                        kbd_put_keysym(keysym);
                    } else if (ev->key.keysym.unicode != 0) {
                        kbd_put_keysym(ev->key.keysym.unicode);
                    }
                }
            } else if (ev->type == SDL_KEYUP) {
                mod_state = (ev->key.keysym.mod & gui_grab_code);
                if (!mod_state) {
                    if (gui_key_modifier_pressed) {
                        gui_key_modifier_pressed = 0;
                        if (gui_keysym == 0) {
                            /* exit/enter grab if pressing Ctrl-Alt */
                            if (!gui_grab) {
                                /* if the application is not active,
                                   do not try to enter grab state. It
                                   prevents
                                   'SDL_WM_GrabInput(SDL_GRAB_ON)'
                                   from blocking all the application
                                   (SDL bug). */
                                if (SDL_GetAppState() & SDL_APPACTIVE)
                                    sdl_grab_start();
                            } else {
                                sdl_grab_end();
                            }
                            /* SDL does not send back all the
                               modifiers key, so we must correct it */
                            reset_keys();
                            break;
                        }
                        gui_keysym = 0;
                    }
                }
            }
            if (is_graphic_console() && !gui_keysym) 
                sdl_process_key(&ev->key);
            break;
        case SDL_QUIT:
            if (!no_quit) {
               qemu_system_shutdown_request();
            }
            break;
        case SDL_MOUSEMOTION:
            if (gui_grab || kbd_mouse_is_absolute()) {
                sdl_send_mouse_event(0);
            }
            break;
        case SDL_MOUSEBUTTONDOWN:
        case SDL_MOUSEBUTTONUP:
            {
                SDL_MouseButtonEvent *bev = &ev->button;
                if (!gui_grab && !kbd_mouse_is_absolute()) {
                    if (ev->type == SDL_MOUSEBUTTONDOWN &&
                        (bev->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 && ev->type == SDL_MOUSEBUTTONDOWN) {
                        dz = -1;
                    } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
                        dz = 1;
                    }
#endif               
                    sdl_send_mouse_event(dz);
                }
            }
            break;
        case SDL_ACTIVEEVENT:
            if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
                !ev->active.gain && !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;
    uint8_t data = 0;

#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;

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

    atexit(sdl_cleanup);
    if (full_screen) {
        gui_fullscreen = 1;
        gui_fullscreen_initial_grab = 1;
        sdl_grab_start();
    }
}
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];
09b26c5e FB	42	static int width, height;
	43	static SDL_Cursor *sdl_cursor_normal;
	44	static SDL_Cursor *sdl_cursor_hidden;
	45	static int absolute_enabled = 0;
0f0b7264 FB	46
	47	static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
	48	{
898712a8	49	// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
0f0b7264 FB	50	SDL_UpdateRect(screen, x, y, w, h);
	51	}
	52
	53	static void sdl_resize(DisplayState *ds, int w, int h)
	54	{
	55	int flags;
	56
	57	// printf("resizing to %d %d\n", w, h);
	58
	59	flags = SDL_HWSURFACE\|SDL_ASYNCBLIT\|SDL_HWACCEL;
8e9c4afe FB	60	if (gui_fullscreen)
8e9c4afe FB	61	flags \|= SDL_FULLSCREEN;
9903da21	62
09b26c5e FB	63	width = w;
	64	height = h;
	65
9903da21	66	again:
0f0b7264 FB	67	screen = SDL_SetVideoMode(w, h, 0, flags);
	68	if (!screen) {
	69	fprintf(stderr, "Could not open SDL display\n");
	70	exit(1);
	71	}
9903da21 FB	72	if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
	73	flags &= ~SDL_HWSURFACE;
	74	goto again;
	75	}
	76
	77	if (!screen->pixels) {
	78	fprintf(stderr, "Could not open SDL display\n");
	79	exit(1);
	80	}
0f0b7264 FB	81	ds->data = screen->pixels;
	82	ds->linesize = screen->pitch;
	83	ds->depth = screen->format->BitsPerPixel;
d3079cd2 FB	84	if (ds->depth == 32 && screen->format->Rshift == 0) {
	85	ds->bgr = 1;
	86	} else {
	87	ds->bgr = 0;
	88	}
457831f4 FB	89	ds->width = w;
457831f4 FB	90	ds->height = h;
0f0b7264 FB	91	}
0f0b7264 FB	92
3d11d0eb	93	/* generic keyboard conversion */
e58d12ed	94
3d11d0eb FB	95	#include "sdl_keysym.h"
	96	#include "keymaps.c"
	97
	98	static kbd_layout_t *kbd_layout = NULL;
	99
	100	static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
e58d12ed	101	{
3d11d0eb FB	102	int keysym;
	103	/* workaround for X11+SDL bug with AltGR */
	104	keysym = ev->keysym.sym;
	105	if (keysym == 0 && ev->keysym.scancode == 113)
	106	keysym = SDLK_MODE;
60659e3b FB	107	/* For Japanese key '\' and '\|' */
	108	if (keysym == 92 && ev->keysym.scancode == 133) {
	109	keysym = 0xa5;
	110	}
3d11d0eb	111	return keysym2scancode(kbd_layout, keysym);
e58d12ed FB	112	}
e58d12ed FB	113
3d11d0eb FB	114	/* specific keyboard conversions from scan codes */
	115
	116	#if defined(_WIN32)
e58d12ed FB	117
	118	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	119	{
	120	return ev->keysym.scancode;
	121	}
	122
	123	#else
	124
60659e3b	125	static const uint8_t x_keycode_to_pc_keycode[115] = {
de2200d3 FB	126	0xc7, /* 97 Home */
	127	0xc8, /* 98 Up */
	128	0xc9, /* 99 PgUp */
	129	0xcb, /* 100 Left */
0f0b7264	130	0x4c, /* 101 KP-5 */
de2200d3 FB	131	0xcd, /* 102 Right */
	132	0xcf, /* 103 End */
	133	0xd0, /* 104 Down */
	134	0xd1, /* 105 PgDn */
	135	0xd2, /* 106 Ins */
	136	0xd3, /* 107 Del */
	137	0x9c, /* 108 Enter */
	138	0x9d, /* 109 Ctrl-R */
22a56b8a	139	0x0, /* 110 Pause */
de2200d3 FB	140	0xb7, /* 111 Print */
	141	0xb5, /* 112 Divide */
	142	0xb8, /* 113 Alt-R */
	143	0xc6, /* 114 Break */
0f0b7264 FB	144	0x0, /* 115 */
	145	0x0, /* 116 */
	146	0x0, /* 117 */
	147	0x0, /* 118 */
	148	0x0, /* 119 */
60659e3b	149	0x0, /* 120 */
0f0b7264 FB	150	0x0, /* 121 */
0f0b7264 FB	151	0x0, /* 122 */
60659e3b	152	0x0, /* 123 */
0f0b7264 FB	153	0x0, /* 124 */
	154	0x0, /* 125 */
	155	0x0, /* 126 */
	156	0x0, /* 127 */
	157	0x0, /* 128 */
b71e95fc	158	0x79, /* 129 Henkan */
0f0b7264	159	0x0, /* 130 */
b71e95fc	160	0x7b, /* 131 Muhenkan */
0f0b7264	161	0x0, /* 132 */
b71e95fc	162	0x7d, /* 133 Yen */
0f0b7264 FB	163	0x0, /* 134 */
	164	0x0, /* 135 */
	165	0x47, /* 136 KP_7 */
	166	0x48, /* 137 KP_8 */
	167	0x49, /* 138 KP_9 */
	168	0x4b, /* 139 KP_4 */
	169	0x4c, /* 140 KP_5 */
	170	0x4d, /* 141 KP_6 */
	171	0x4f, /* 142 KP_1 */
	172	0x50, /* 143 KP_2 */
	173	0x51, /* 144 KP_3 */
	174	0x52, /* 145 KP_0 */
	175	0x53, /* 146 KP_. */
	176	0x47, /* 147 KP_HOME */
	177	0x48, /* 148 KP_UP */
	178	0x49, /* 149 KP_PgUp */
	179	0x4b, /* 150 KP_Left */
	180	0x4c, /* 151 KP_ */
	181	0x4d, /* 152 KP_Right */
	182	0x4f, /* 153 KP_End */
	183	0x50, /* 154 KP_Down */
	184	0x51, /* 155 KP_PgDn */
	185	0x52, /* 156 KP_Ins */
	186	0x53, /* 157 KP_Del */
60659e3b FB	187	0x0, /* 158 */
	188	0x0, /* 159 */
	189	0x0, /* 160 */
	190	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, /* 170 */
	191	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, /* 180 */
	192	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, /* 190 */
	193	0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, /* 200 */
	194	0x0, /* 201 */
	195	0x0, /* 202 */
	196	0x0, /* 203 */
	197	0x0, /* 204 */
	198	0x0, /* 205 */
	199	0x0, /* 206 */
	200	0x0, /* 207 */
	201	0x70, /* 208 Hiragana_Katakana */
	202	0x0, /* 209 */
	203	0x0, /* 210 */
	204	0x73, /* 211 backslash */
0f0b7264 FB	205	};
0f0b7264 FB	206
e58d12ed FB	207	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	208	{
	209	int keycode;
	210
	211	keycode = ev->keysym.scancode;
	212
	213	if (keycode < 9) {
	214	keycode = 0;
	215	} else if (keycode < 97) {
	216	keycode -= 8; /* just an offset */
60659e3b	217	} else if (keycode < 212) {
e58d12ed FB	218	/* use conversion table */
	219	keycode = x_keycode_to_pc_keycode[keycode - 97];
	220	} else {
	221	keycode = 0;
	222	}
	223	return keycode;
	224	}
	225
	226	#endif
	227
32ff25bf FB	228	static void reset_keys(void)
	229	{
	230	int i;
	231	for(i = 0; i < 256; i++) {
	232	if (modifiers_state[i]) {
	233	if (i & 0x80)
	234	kbd_put_keycode(0xe0);
	235	kbd_put_keycode(i \| 0x80);
	236	modifiers_state[i] = 0;
	237	}
	238	}
	239	}
	240
0f0b7264 FB	241	static void sdl_process_key(SDL_KeyboardEvent *ev)
0f0b7264 FB	242	{
32ff25bf	243	int keycode, v;
de2200d3 FB	244
	245	if (ev->keysym.sym == SDLK_PAUSE) {
	246	/* specific case */
	247	v = 0;
	248	if (ev->type == SDL_KEYUP)
	249	v \|= 0x80;
	250	kbd_put_keycode(0xe1);
	251	kbd_put_keycode(0x1d \| v);
	252	kbd_put_keycode(0x45 \| v);
	253	return;
	254	}
	255
3d11d0eb FB	256	if (kbd_layout) {
	257	keycode = sdl_keyevent_to_keycode_generic(ev);
	258	} else {
	259	keycode = sdl_keyevent_to_keycode(ev);
	260	}
de2200d3 FB	261
	262	switch(keycode) {
	263	case 0x00:
	264	/* sent when leaving window: reset the modifiers state */
32ff25bf	265	reset_keys();
de2200d3 FB	266	return;
	267	case 0x2a: /* Left Shift */
	268	case 0x36: /* Right Shift */
	269	case 0x1d: /* Left CTRL */
	270	case 0x9d: /* Right CTRL */
	271	case 0x38: /* Left ALT */
	272	case 0xb8: /* Right ALT */
0f0b7264	273	if (ev->type == SDL_KEYUP)
de2200d3 FB	274	modifiers_state[keycode] = 0;
	275	else
	276	modifiers_state[keycode] = 1;
	277	break;
	278	case 0x45: /* num lock */
	279	case 0x3a: /* caps lock */
	280	/* SDL does not send the key up event, so we generate it */
	281	kbd_put_keycode(keycode);
	282	kbd_put_keycode(keycode \| 0x80);
	283	return;
0f0b7264	284	}
de2200d3 FB	285
	286	/* now send the key code */
	287	if (keycode & 0x80)
	288	kbd_put_keycode(0xe0);
	289	if (ev->type == SDL_KEYUP)
	290	kbd_put_keycode(keycode \| 0x80);
	291	else
	292	kbd_put_keycode(keycode & 0x7f);
0f0b7264 FB	293	}
0f0b7264 FB	294
8a7ddc38 FB	295	static void sdl_update_caption(void)
	296	{
	297	char buf[1024];
	298	strcpy(buf, "QEMU");
	299	if (!vm_running) {
	300	strcat(buf, " [Stopped]");
	301	}
	302	if (gui_grab) {
32ff25bf	303	strcat(buf, " - Press Ctrl-Alt to exit grab");
8a7ddc38 FB	304	}
	305	SDL_WM_SetCaption(buf, "QEMU");
	306	}
	307
09b26c5e FB	308	static void sdl_hide_cursor(void)
09b26c5e FB	309	{
8785a8dd FB	310	if (kbd_mouse_is_absolute()) {
	311	SDL_ShowCursor(1);
	312	SDL_SetCursor(sdl_cursor_hidden);
	313	} else {
	314	SDL_ShowCursor(0);
	315	}
09b26c5e FB	316	}
	317
	318	static void sdl_show_cursor(void)
	319	{
	320	if (!kbd_mouse_is_absolute()) {
8785a8dd	321	SDL_ShowCursor(1);
09b26c5e FB	322	}
	323	}
	324
0f0b7264 FB	325	static void sdl_grab_start(void)
0f0b7264 FB	326	{
09b26c5e	327	sdl_hide_cursor();
0f0b7264 FB	328	SDL_WM_GrabInput(SDL_GRAB_ON);
	329	/* dummy read to avoid moving the mouse */
	330	SDL_GetRelativeMouseState(NULL, NULL);
	331	gui_grab = 1;
8a7ddc38	332	sdl_update_caption();
0f0b7264 FB	333	}
	334
	335	static void sdl_grab_end(void)
	336	{
0f0b7264	337	SDL_WM_GrabInput(SDL_GRAB_OFF);
09b26c5e	338	sdl_show_cursor();
0f0b7264	339	gui_grab = 0;
8a7ddc38	340	sdl_update_caption();
0f0b7264 FB	341	}
0f0b7264 FB	342
18a6d284	343	static void sdl_send_mouse_event(int dz)
0f0b7264	344	{
18a6d284	345	int dx, dy, state, buttons;
0f0b7264 FB	346	state = SDL_GetRelativeMouseState(&dx, &dy);
	347	buttons = 0;
	348	if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
	349	buttons \|= MOUSE_EVENT_LBUTTON;
	350	if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
	351	buttons \|= MOUSE_EVENT_RBUTTON;
	352	if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
	353	buttons \|= MOUSE_EVENT_MBUTTON;
09b26c5e FB	354
	355	if (kbd_mouse_is_absolute()) {
	356	if (!absolute_enabled) {
	357	sdl_hide_cursor();
	358	if (gui_grab) {
	359	sdl_grab_end();
	360	}
	361	absolute_enabled = 1;
	362	}
	363
	364	SDL_GetMouseState(&dx, &dy);
	365	dx = dx * 0x7FFF / width;
	366	dy = dy * 0x7FFF / height;
	367	}
	368
0f0b7264 FB	369	kbd_mouse_event(dx, dy, dz, buttons);
	370	}
	371
8e9c4afe FB	372	static void toggle_full_screen(DisplayState *ds)
	373	{
	374	gui_fullscreen = !gui_fullscreen;
	375	sdl_resize(ds, screen->w, screen->h);
	376	if (gui_fullscreen) {
	377	gui_saved_grab = gui_grab;
	378	sdl_grab_start();
	379	} else {
	380	if (!gui_saved_grab)
	381	sdl_grab_end();
	382	}
95219897 PB	383	vga_hw_invalidate();
95219897 PB	384	vga_hw_update();
8e9c4afe FB	385	}
8e9c4afe FB	386
0f0b7264 FB	387	static void sdl_refresh(DisplayState *ds)
	388	{
	389	SDL_Event ev1, *ev = &ev1;
8e9c4afe FB	390	int mod_state;
8e9c4afe FB	391
8a7ddc38 FB	392	if (last_vm_running != vm_running) {
	393	last_vm_running = vm_running;
	394	sdl_update_caption();
	395	}
	396
95219897	397	vga_hw_update();
457831f4	398
0f0b7264 FB	399	while (SDL_PollEvent(ev)) {
	400	switch (ev->type) {
	401	case SDL_VIDEOEXPOSE:
	402	sdl_update(ds, 0, 0, screen->w, screen->h);
	403	break;
	404	case SDL_KEYDOWN:
	405	case SDL_KEYUP:
	406	if (ev->type == SDL_KEYDOWN) {
32ff25bf FB	407	mod_state = (SDL_GetModState() & gui_grab_code) ==
32ff25bf FB	408	gui_grab_code;
8e9c4afe	409	gui_key_modifier_pressed = mod_state;
457831f4	410	if (gui_key_modifier_pressed) {
32ff25bf FB	411	int keycode;
	412	keycode = sdl_keyevent_to_keycode(&ev->key);
	413	switch(keycode) {
	414	case 0x21: /* 'f' key on US keyboard */
457831f4 FB	415	toggle_full_screen(ds);
	416	gui_keysym = 1;
	417	break;
32ff25bf	418	case 0x02 ... 0x0a: /* '1' to '9' keys */
dfd92d3a FB	419	/* Reset the modifiers sent to the current console */
dfd92d3a FB	420	reset_keys();
32ff25bf	421	console_select(keycode - 0x02);
95219897	422	if (!is_graphic_console()) {
457831f4 FB	423	/* display grab if going to a text console */
	424	if (gui_grab)
	425	sdl_grab_end();
	426	}
	427	gui_keysym = 1;
	428	break;
	429	default:
	430	break;
	431	}
95219897	432	} else if (!is_graphic_console()) {
457831f4 FB	433	int keysym;
	434	keysym = 0;
	435	if (ev->key.keysym.mod & (KMOD_LCTRL \| KMOD_RCTRL)) {
	436	switch(ev->key.keysym.sym) {
	437	case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
	438	case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
	439	case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
	440	case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
	441	case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
	442	case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
	443	case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
	444	case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
	445	default: break;
	446	}
	447	} else {
	448	switch(ev->key.keysym.sym) {
	449	case SDLK_UP: keysym = QEMU_KEY_UP; break;
	450	case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
	451	case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
	452	case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
	453	case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
	454	case SDLK_END: keysym = QEMU_KEY_END; break;
	455	case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
	456	case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
	457	case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
	458	default: break;
	459	}
	460	}
	461	if (keysym) {
	462	kbd_put_keysym(keysym);
	463	} else if (ev->key.keysym.unicode != 0) {
	464	kbd_put_keysym(ev->key.keysym.unicode);
	465	}
8e9c4afe FB	466	}
8e9c4afe FB	467	} else if (ev->type == SDL_KEYUP) {
bf2b84e4	468	mod_state = (ev->key.keysym.mod & gui_grab_code);
8e9c4afe FB	469	if (!mod_state) {
8e9c4afe FB	470	if (gui_key_modifier_pressed) {
5b311878	471	gui_key_modifier_pressed = 0;
457831f4	472	if (gui_keysym == 0) {
32ff25bf	473	/* exit/enter grab if pressing Ctrl-Alt */
c66b0d4c FB	474	if (!gui_grab) {
	475	/* if the application is not active,
	476	do not try to enter grab state. It
	477	prevents
	478	'SDL_WM_GrabInput(SDL_GRAB_ON)'
	479	from blocking all the application
	480	(SDL bug). */
	481	if (SDL_GetAppState() & SDL_APPACTIVE)
	482	sdl_grab_start();
	483	} else {
8e9c4afe	484	sdl_grab_end();
c66b0d4c	485	}
32ff25bf FB	486	/* SDL does not send back all the
	487	modifiers key, so we must correct it */
	488	reset_keys();
8e9c4afe FB	489	break;
8e9c4afe FB	490	}
8e9c4afe FB	491	gui_keysym = 0;
8e9c4afe FB	492	}
0f0b7264 FB	493	}
0f0b7264 FB	494	}
dfd92d3a	495	if (is_graphic_console() && !gui_keysym)
457831f4	496	sdl_process_key(&ev->key);
0f0b7264 FB	497	break;
0f0b7264 FB	498	case SDL_QUIT:
667accab TS	499	if (!no_quit) {
	500	qemu_system_shutdown_request();
	501	}
0f0b7264 FB	502	break;
0f0b7264 FB	503	case SDL_MOUSEMOTION:
09b26c5e	504	if (gui_grab \|\| kbd_mouse_is_absolute()) {
18a6d284	505	sdl_send_mouse_event(0);
0f0b7264 FB	506	}
	507	break;
	508	case SDL_MOUSEBUTTONDOWN:
	509	case SDL_MOUSEBUTTONUP:
	510	{
	511	SDL_MouseButtonEvent *bev = &ev->button;
09b26c5e	512	if (!gui_grab && !kbd_mouse_is_absolute()) {
0f0b7264 FB	513	if (ev->type == SDL_MOUSEBUTTONDOWN &&
	514	(bev->state & SDL_BUTTON_LMASK)) {
	515	/* start grabbing all events */
	516	sdl_grab_start();
	517	}
	518	} else {
18a6d284 FB	519	int dz;
	520	dz = 0;
	521	#ifdef SDL_BUTTON_WHEELUP
09b26c5e	522	if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
18a6d284	523	dz = -1;
09b26c5e	524	} else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
18a6d284 FB	525	dz = 1;
	526	}
	527	#endif
	528	sdl_send_mouse_event(dz);
0f0b7264 FB	529	}
	530	}
	531	break;
0294ffb9	532	case SDL_ACTIVEEVENT:
5b311878 PB	533	if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
5b311878 PB	534	!ev->active.gain && !gui_fullscreen_initial_grab) {
0294ffb9 FB	535	sdl_grab_end();
	536	}
	537	break;
0f0b7264 FB	538	default:
	539	break;
	540	}
	541	}
	542	}
	543
898712a8 FB	544	static void sdl_cleanup(void)
	545	{
	546	SDL_Quit();
	547	}
	548
d63d307f	549	void sdl_display_init(DisplayState *ds, int full_screen)
0f0b7264 FB	550	{
0f0b7264 FB	551	int flags;
09b26c5e	552	uint8_t data = 0;
0f0b7264	553
3d11d0eb FB	554	#if defined(__APPLE__)
	555	/* always use generic keymaps */
	556	if (!keyboard_layout)
	557	keyboard_layout = "en-us";
	558	#endif
	559	if(keyboard_layout) {
	560	kbd_layout = init_keyboard_layout(keyboard_layout);
	561	if (!kbd_layout)
	562	exit(1);
	563	}
	564
0f0b7264 FB	565	flags = SDL_INIT_VIDEO \| SDL_INIT_NOPARACHUTE;
	566	if (SDL_Init (flags)) {
	567	fprintf(stderr, "Could not initialize SDL - exiting\n");
	568	exit(1);
	569	}
67b915a5	570	#ifndef _WIN32
0ae04d73 FB	571	/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
	572	signal(SIGINT, SIG_DFL);
	573	signal(SIGQUIT, SIG_DFL);
67b915a5	574	#endif
0ae04d73	575
0f0b7264 FB	576	ds->dpy_update = sdl_update;
	577	ds->dpy_resize = sdl_resize;
	578	ds->dpy_refresh = sdl_refresh;
	579
	580	sdl_resize(ds, 640, 400);
8a7ddc38	581	sdl_update_caption();
0f0b7264	582	SDL_EnableKeyRepeat(250, 50);
457831f4	583	SDL_EnableUNICODE(1);
0f0b7264	584	gui_grab = 0;
898712a8	585
09b26c5e FB	586	sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
	587	sdl_cursor_normal = SDL_GetCursor();
	588
898712a8	589	atexit(sdl_cleanup);
d63d307f FB	590	if (full_screen) {
	591	gui_fullscreen = 1;
	592	gui_fullscreen_initial_grab = 1;
	593	sdl_grab_start();
	594	}
0f0b7264	595	}