[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;
    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(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;
0f0b7264 FB	58	screen = SDL_SetVideoMode(w, h, 0, flags);
	59	if (!screen) {
	60	fprintf(stderr, "Could not open SDL display\n");
	61	exit(1);
	62	}
	63	ds->data = screen->pixels;
	64	ds->linesize = screen->pitch;
	65	ds->depth = screen->format->BitsPerPixel;
457831f4 FB	66	ds->width = w;
457831f4 FB	67	ds->height = h;
0f0b7264 FB	68	}
0f0b7264 FB	69
3d11d0eb	70	/* generic keyboard conversion */
e58d12ed	71
3d11d0eb FB	72	#include "sdl_keysym.h"
	73	#include "keymaps.c"
	74
	75	static kbd_layout_t *kbd_layout = NULL;
	76
	77	static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
e58d12ed	78	{
3d11d0eb FB	79	int keysym;
	80	/* workaround for X11+SDL bug with AltGR */
	81	keysym = ev->keysym.sym;
	82	if (keysym == 0 && ev->keysym.scancode == 113)
	83	keysym = SDLK_MODE;
	84	return keysym2scancode(kbd_layout, keysym);
e58d12ed FB	85	}
e58d12ed FB	86
3d11d0eb FB	87	/* specific keyboard conversions from scan codes */
	88
	89	#if defined(_WIN32)
e58d12ed FB	90
	91	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	92	{
	93	return ev->keysym.scancode;
	94	}
	95
	96	#else
	97
de2200d3 FB	98	static const uint8_t x_keycode_to_pc_keycode[61] = {
	99	0xc7, /* 97 Home */
	100	0xc8, /* 98 Up */
	101	0xc9, /* 99 PgUp */
	102	0xcb, /* 100 Left */
0f0b7264	103	0x4c, /* 101 KP-5 */
de2200d3 FB	104	0xcd, /* 102 Right */
	105	0xcf, /* 103 End */
	106	0xd0, /* 104 Down */
	107	0xd1, /* 105 PgDn */
	108	0xd2, /* 106 Ins */
	109	0xd3, /* 107 Del */
	110	0x9c, /* 108 Enter */
	111	0x9d, /* 109 Ctrl-R */
22a56b8a	112	0x0, /* 110 Pause */
de2200d3 FB	113	0xb7, /* 111 Print */
	114	0xb5, /* 112 Divide */
	115	0xb8, /* 113 Alt-R */
	116	0xc6, /* 114 Break */
0f0b7264 FB	117	0x0, /* 115 */
	118	0x0, /* 116 */
	119	0x0, /* 117 */
	120	0x0, /* 118 */
	121	0x0, /* 119 */
b71e95fc	122	0x70, /* 120 Hiragana_Katakana */
0f0b7264 FB	123	0x0, /* 121 */
0f0b7264 FB	124	0x0, /* 122 */
b71e95fc	125	0x73, /* 123 backslash */
0f0b7264 FB	126	0x0, /* 124 */
	127	0x0, /* 125 */
	128	0x0, /* 126 */
	129	0x0, /* 127 */
	130	0x0, /* 128 */
b71e95fc	131	0x79, /* 129 Henkan */
0f0b7264	132	0x0, /* 130 */
b71e95fc	133	0x7b, /* 131 Muhenkan */
0f0b7264	134	0x0, /* 132 */
b71e95fc	135	0x7d, /* 133 Yen */
0f0b7264 FB	136	0x0, /* 134 */
	137	0x0, /* 135 */
	138	0x47, /* 136 KP_7 */
	139	0x48, /* 137 KP_8 */
	140	0x49, /* 138 KP_9 */
	141	0x4b, /* 139 KP_4 */
	142	0x4c, /* 140 KP_5 */
	143	0x4d, /* 141 KP_6 */
	144	0x4f, /* 142 KP_1 */
	145	0x50, /* 143 KP_2 */
	146	0x51, /* 144 KP_3 */
	147	0x52, /* 145 KP_0 */
	148	0x53, /* 146 KP_. */
	149	0x47, /* 147 KP_HOME */
	150	0x48, /* 148 KP_UP */
	151	0x49, /* 149 KP_PgUp */
	152	0x4b, /* 150 KP_Left */
	153	0x4c, /* 151 KP_ */
	154	0x4d, /* 152 KP_Right */
	155	0x4f, /* 153 KP_End */
	156	0x50, /* 154 KP_Down */
	157	0x51, /* 155 KP_PgDn */
	158	0x52, /* 156 KP_Ins */
	159	0x53, /* 157 KP_Del */
	160	};
	161
e58d12ed FB	162	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	163	{
	164	int keycode;
	165
	166	keycode = ev->keysym.scancode;
	167
	168	if (keycode < 9) {
	169	keycode = 0;
	170	} else if (keycode < 97) {
	171	keycode -= 8; /* just an offset */
	172	} else if (keycode < 158) {
	173	/* use conversion table */
	174	keycode = x_keycode_to_pc_keycode[keycode - 97];
	175	} else {
	176	keycode = 0;
	177	}
	178	return keycode;
	179	}
	180
	181	#endif
	182
32ff25bf FB	183	static void reset_keys(void)
	184	{
	185	int i;
	186	for(i = 0; i < 256; i++) {
	187	if (modifiers_state[i]) {
	188	if (i & 0x80)
	189	kbd_put_keycode(0xe0);
	190	kbd_put_keycode(i \| 0x80);
	191	modifiers_state[i] = 0;
	192	}
	193	}
	194	}
	195
0f0b7264 FB	196	static void sdl_process_key(SDL_KeyboardEvent *ev)
0f0b7264 FB	197	{
32ff25bf	198	int keycode, v;
de2200d3 FB	199
	200	if (ev->keysym.sym == SDLK_PAUSE) {
	201	/* specific case */
	202	v = 0;
	203	if (ev->type == SDL_KEYUP)
	204	v \|= 0x80;
	205	kbd_put_keycode(0xe1);
	206	kbd_put_keycode(0x1d \| v);
	207	kbd_put_keycode(0x45 \| v);
	208	return;
	209	}
	210
3d11d0eb FB	211	if (kbd_layout) {
	212	keycode = sdl_keyevent_to_keycode_generic(ev);
	213	} else {
	214	keycode = sdl_keyevent_to_keycode(ev);
	215	}
de2200d3 FB	216
	217	switch(keycode) {
	218	case 0x00:
	219	/* sent when leaving window: reset the modifiers state */
32ff25bf	220	reset_keys();
de2200d3 FB	221	return;
	222	case 0x2a: /* Left Shift */
	223	case 0x36: /* Right Shift */
	224	case 0x1d: /* Left CTRL */
	225	case 0x9d: /* Right CTRL */
	226	case 0x38: /* Left ALT */
	227	case 0xb8: /* Right ALT */
0f0b7264	228	if (ev->type == SDL_KEYUP)
de2200d3 FB	229	modifiers_state[keycode] = 0;
	230	else
	231	modifiers_state[keycode] = 1;
	232	break;
	233	case 0x45: /* num lock */
	234	case 0x3a: /* caps lock */
	235	/* SDL does not send the key up event, so we generate it */
	236	kbd_put_keycode(keycode);
	237	kbd_put_keycode(keycode \| 0x80);
	238	return;
0f0b7264	239	}
de2200d3 FB	240
	241	/* now send the key code */
	242	if (keycode & 0x80)
	243	kbd_put_keycode(0xe0);
	244	if (ev->type == SDL_KEYUP)
	245	kbd_put_keycode(keycode \| 0x80);
	246	else
	247	kbd_put_keycode(keycode & 0x7f);
0f0b7264 FB	248	}
0f0b7264 FB	249
8a7ddc38 FB	250	static void sdl_update_caption(void)
	251	{
	252	char buf[1024];
	253	strcpy(buf, "QEMU");
	254	if (!vm_running) {
	255	strcat(buf, " [Stopped]");
	256	}
	257	if (gui_grab) {
32ff25bf	258	strcat(buf, " - Press Ctrl-Alt to exit grab");
8a7ddc38 FB	259	}
	260	SDL_WM_SetCaption(buf, "QEMU");
	261	}
	262
0f0b7264 FB	263	static void sdl_grab_start(void)
0f0b7264 FB	264	{
0f0b7264 FB	265	SDL_ShowCursor(0);
	266	SDL_WM_GrabInput(SDL_GRAB_ON);
	267	/* dummy read to avoid moving the mouse */
	268	SDL_GetRelativeMouseState(NULL, NULL);
	269	gui_grab = 1;
8a7ddc38	270	sdl_update_caption();
0f0b7264 FB	271	}
	272
	273	static void sdl_grab_end(void)
	274	{
0f0b7264 FB	275	SDL_WM_GrabInput(SDL_GRAB_OFF);
	276	SDL_ShowCursor(1);
	277	gui_grab = 0;
8a7ddc38	278	sdl_update_caption();
0f0b7264 FB	279	}
0f0b7264 FB	280
18a6d284	281	static void sdl_send_mouse_event(int dz)
0f0b7264	282	{
18a6d284	283	int dx, dy, state, buttons;
0f0b7264 FB	284	state = SDL_GetRelativeMouseState(&dx, &dy);
	285	buttons = 0;
	286	if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
	287	buttons \|= MOUSE_EVENT_LBUTTON;
	288	if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
	289	buttons \|= MOUSE_EVENT_RBUTTON;
	290	if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
	291	buttons \|= MOUSE_EVENT_MBUTTON;
0f0b7264 FB	292	kbd_mouse_event(dx, dy, dz, buttons);
	293	}
	294
8e9c4afe FB	295	static void toggle_full_screen(DisplayState *ds)
	296	{
	297	gui_fullscreen = !gui_fullscreen;
	298	sdl_resize(ds, screen->w, screen->h);
	299	if (gui_fullscreen) {
	300	gui_saved_grab = gui_grab;
	301	sdl_grab_start();
	302	} else {
	303	if (!gui_saved_grab)
	304	sdl_grab_end();
	305	}
ee38b4c8	306	vga_invalidate_display();
8e9c4afe	307	vga_update_display();
8e9c4afe FB	308	}
8e9c4afe FB	309
0f0b7264 FB	310	static void sdl_refresh(DisplayState *ds)
	311	{
	312	SDL_Event ev1, *ev = &ev1;
8e9c4afe FB	313	int mod_state;
8e9c4afe FB	314
8a7ddc38 FB	315	if (last_vm_running != vm_running) {
	316	last_vm_running = vm_running;
	317	sdl_update_caption();
	318	}
	319
457831f4 FB	320	if (is_active_console(vga_console))
	321	vga_update_display();
	322
0f0b7264 FB	323	while (SDL_PollEvent(ev)) {
	324	switch (ev->type) {
	325	case SDL_VIDEOEXPOSE:
	326	sdl_update(ds, 0, 0, screen->w, screen->h);
	327	break;
	328	case SDL_KEYDOWN:
	329	case SDL_KEYUP:
	330	if (ev->type == SDL_KEYDOWN) {
32ff25bf FB	331	mod_state = (SDL_GetModState() & gui_grab_code) ==
32ff25bf FB	332	gui_grab_code;
8e9c4afe	333	gui_key_modifier_pressed = mod_state;
457831f4	334	if (gui_key_modifier_pressed) {
32ff25bf FB	335	int keycode;
	336	keycode = sdl_keyevent_to_keycode(&ev->key);
	337	switch(keycode) {
	338	case 0x21: /* 'f' key on US keyboard */
457831f4 FB	339	toggle_full_screen(ds);
	340	gui_keysym = 1;
	341	break;
32ff25bf FB	342	case 0x02 ... 0x0a: /* '1' to '9' keys */
32ff25bf FB	343	console_select(keycode - 0x02);
457831f4 FB	344	if (is_active_console(vga_console)) {
	345	/* tell the vga console to redisplay itself */
	346	vga_invalidate_display();
	347	} else {
	348	/* display grab if going to a text console */
	349	if (gui_grab)
	350	sdl_grab_end();
	351	}
	352	gui_keysym = 1;
	353	break;
	354	default:
	355	break;
	356	}
32ff25bf	357	} else if (!is_active_console(vga_console)) {
457831f4 FB	358	int keysym;
	359	keysym = 0;
	360	if (ev->key.keysym.mod & (KMOD_LCTRL \| KMOD_RCTRL)) {
	361	switch(ev->key.keysym.sym) {
	362	case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
	363	case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
	364	case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
	365	case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
	366	case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
	367	case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
	368	case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
	369	case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
	370	default: break;
	371	}
	372	} else {
	373	switch(ev->key.keysym.sym) {
	374	case SDLK_UP: keysym = QEMU_KEY_UP; break;
	375	case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
	376	case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
	377	case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
	378	case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
	379	case SDLK_END: keysym = QEMU_KEY_END; break;
	380	case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
	381	case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
	382	case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
	383	default: break;
	384	}
	385	}
	386	if (keysym) {
	387	kbd_put_keysym(keysym);
	388	} else if (ev->key.keysym.unicode != 0) {
	389	kbd_put_keysym(ev->key.keysym.unicode);
	390	}
8e9c4afe FB	391	}
8e9c4afe FB	392	} else if (ev->type == SDL_KEYUP) {
bf2b84e4	393	mod_state = (ev->key.keysym.mod & gui_grab_code);
8e9c4afe FB	394	if (!mod_state) {
8e9c4afe FB	395	if (gui_key_modifier_pressed) {
457831f4	396	if (gui_keysym == 0) {
32ff25bf	397	/* exit/enter grab if pressing Ctrl-Alt */
8e9c4afe FB	398	if (!gui_grab)
	399	sdl_grab_start();
	400	else
	401	sdl_grab_end();
32ff25bf FB	402	/* SDL does not send back all the
	403	modifiers key, so we must correct it */
	404	reset_keys();
8e9c4afe FB	405	break;
	406	}
	407	gui_key_modifier_pressed = 0;
	408	gui_keysym = 0;
	409	}
0f0b7264 FB	410	}
0f0b7264 FB	411	}
457831f4 FB	412	if (is_active_console(vga_console))
457831f4 FB	413	sdl_process_key(&ev->key);
0f0b7264 FB	414	break;
0f0b7264 FB	415	case SDL_QUIT:
979a54fb	416	qemu_system_shutdown_request();
0f0b7264 FB	417	break;
	418	case SDL_MOUSEMOTION:
	419	if (gui_grab) {
18a6d284	420	sdl_send_mouse_event(0);
0f0b7264 FB	421	}
	422	break;
	423	case SDL_MOUSEBUTTONDOWN:
	424	case SDL_MOUSEBUTTONUP:
	425	{
	426	SDL_MouseButtonEvent *bev = &ev->button;
	427	if (!gui_grab) {
	428	if (ev->type == SDL_MOUSEBUTTONDOWN &&
	429	(bev->state & SDL_BUTTON_LMASK)) {
	430	/* start grabbing all events */
	431	sdl_grab_start();
	432	}
	433	} else {
18a6d284 FB	434	int dz;
	435	dz = 0;
	436	#ifdef SDL_BUTTON_WHEELUP
	437	if (bev->button == SDL_BUTTON_WHEELUP) {
	438	dz = -1;
	439	} else if (bev->button == SDL_BUTTON_WHEELDOWN) {
	440	dz = 1;
	441	}
	442	#endif
	443	sdl_send_mouse_event(dz);
0f0b7264 FB	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	}