[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 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 = _translate_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);
        SDL_SetCursor(sdl_cursor_normal);
    }
}

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;
    } else if (absolute_enabled) {
	sdl_show_cursor();
	absolute_enabled = 0;
    }

    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() ||
                absolute_enabled) {
                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
e58d12ed FB	125	static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
	126	{
	127	int keycode;
	128
	129	keycode = ev->keysym.scancode;
	130
	131	if (keycode < 9) {
	132	keycode = 0;
	133	} else if (keycode < 97) {
	134	keycode -= 8; /* just an offset */
60659e3b	135	} else if (keycode < 212) {
e58d12ed	136	/* use conversion table */
6070dd07	137	keycode = _translate_keycode(keycode - 97);
e58d12ed FB	138	} else {
	139	keycode = 0;
	140	}
	141	return keycode;
	142	}
	143
	144	#endif
	145
32ff25bf FB	146	static void reset_keys(void)
	147	{
	148	int i;
	149	for(i = 0; i < 256; i++) {
	150	if (modifiers_state[i]) {
	151	if (i & 0x80)
	152	kbd_put_keycode(0xe0);
	153	kbd_put_keycode(i \| 0x80);
	154	modifiers_state[i] = 0;
	155	}
	156	}
	157	}
	158
0f0b7264 FB	159	static void sdl_process_key(SDL_KeyboardEvent *ev)
0f0b7264 FB	160	{
32ff25bf	161	int keycode, v;
de2200d3 FB	162
	163	if (ev->keysym.sym == SDLK_PAUSE) {
	164	/* specific case */
	165	v = 0;
	166	if (ev->type == SDL_KEYUP)
	167	v \|= 0x80;
	168	kbd_put_keycode(0xe1);
	169	kbd_put_keycode(0x1d \| v);
	170	kbd_put_keycode(0x45 \| v);
	171	return;
	172	}
	173
3d11d0eb FB	174	if (kbd_layout) {
	175	keycode = sdl_keyevent_to_keycode_generic(ev);
	176	} else {
	177	keycode = sdl_keyevent_to_keycode(ev);
	178	}
de2200d3 FB	179
	180	switch(keycode) {
	181	case 0x00:
	182	/* sent when leaving window: reset the modifiers state */
32ff25bf	183	reset_keys();
de2200d3 FB	184	return;
	185	case 0x2a: /* Left Shift */
	186	case 0x36: /* Right Shift */
	187	case 0x1d: /* Left CTRL */
	188	case 0x9d: /* Right CTRL */
	189	case 0x38: /* Left ALT */
	190	case 0xb8: /* Right ALT */
0f0b7264	191	if (ev->type == SDL_KEYUP)
de2200d3 FB	192	modifiers_state[keycode] = 0;
	193	else
	194	modifiers_state[keycode] = 1;
	195	break;
	196	case 0x45: /* num lock */
	197	case 0x3a: /* caps lock */
	198	/* SDL does not send the key up event, so we generate it */
	199	kbd_put_keycode(keycode);
	200	kbd_put_keycode(keycode \| 0x80);
	201	return;
0f0b7264	202	}
de2200d3 FB	203
	204	/* now send the key code */
	205	if (keycode & 0x80)
	206	kbd_put_keycode(0xe0);
	207	if (ev->type == SDL_KEYUP)
	208	kbd_put_keycode(keycode \| 0x80);
	209	else
	210	kbd_put_keycode(keycode & 0x7f);
0f0b7264 FB	211	}
0f0b7264 FB	212
8a7ddc38 FB	213	static void sdl_update_caption(void)
	214	{
	215	char buf[1024];
	216	strcpy(buf, "QEMU");
	217	if (!vm_running) {
	218	strcat(buf, " [Stopped]");
	219	}
	220	if (gui_grab) {
32ff25bf	221	strcat(buf, " - Press Ctrl-Alt to exit grab");
8a7ddc38 FB	222	}
	223	SDL_WM_SetCaption(buf, "QEMU");
	224	}
	225
09b26c5e FB	226	static void sdl_hide_cursor(void)
09b26c5e FB	227	{
8785a8dd FB	228	if (kbd_mouse_is_absolute()) {
	229	SDL_ShowCursor(1);
	230	SDL_SetCursor(sdl_cursor_hidden);
	231	} else {
	232	SDL_ShowCursor(0);
	233	}
09b26c5e FB	234	}
	235
	236	static void sdl_show_cursor(void)
	237	{
	238	if (!kbd_mouse_is_absolute()) {
8785a8dd	239	SDL_ShowCursor(1);
455204eb	240	SDL_SetCursor(sdl_cursor_normal);
09b26c5e FB	241	}
	242	}
	243
0f0b7264 FB	244	static void sdl_grab_start(void)
0f0b7264 FB	245	{
09b26c5e	246	sdl_hide_cursor();
0f0b7264 FB	247	SDL_WM_GrabInput(SDL_GRAB_ON);
	248	/* dummy read to avoid moving the mouse */
	249	SDL_GetRelativeMouseState(NULL, NULL);
	250	gui_grab = 1;
8a7ddc38	251	sdl_update_caption();
0f0b7264 FB	252	}
	253
	254	static void sdl_grab_end(void)
	255	{
0f0b7264	256	SDL_WM_GrabInput(SDL_GRAB_OFF);
09b26c5e	257	sdl_show_cursor();
0f0b7264	258	gui_grab = 0;
8a7ddc38	259	sdl_update_caption();
0f0b7264 FB	260	}
0f0b7264 FB	261
18a6d284	262	static void sdl_send_mouse_event(int dz)
0f0b7264	263	{
18a6d284	264	int dx, dy, state, buttons;
0f0b7264 FB	265	state = SDL_GetRelativeMouseState(&dx, &dy);
	266	buttons = 0;
	267	if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
	268	buttons \|= MOUSE_EVENT_LBUTTON;
	269	if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
	270	buttons \|= MOUSE_EVENT_RBUTTON;
	271	if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
	272	buttons \|= MOUSE_EVENT_MBUTTON;
09b26c5e FB	273
	274	if (kbd_mouse_is_absolute()) {
	275	if (!absolute_enabled) {
	276	sdl_hide_cursor();
	277	if (gui_grab) {
	278	sdl_grab_end();
	279	}
	280	absolute_enabled = 1;
	281	}
	282
	283	SDL_GetMouseState(&dx, &dy);
	284	dx = dx * 0x7FFF / width;
	285	dy = dy * 0x7FFF / height;
455204eb TS	286	} else if (absolute_enabled) {
	287	sdl_show_cursor();
	288	absolute_enabled = 0;
09b26c5e FB	289	}
09b26c5e FB	290
0f0b7264 FB	291	kbd_mouse_event(dx, dy, dz, buttons);
	292	}
	293
8e9c4afe FB	294	static void toggle_full_screen(DisplayState *ds)
	295	{
	296	gui_fullscreen = !gui_fullscreen;
	297	sdl_resize(ds, screen->w, screen->h);
	298	if (gui_fullscreen) {
	299	gui_saved_grab = gui_grab;
	300	sdl_grab_start();
	301	} else {
	302	if (!gui_saved_grab)
	303	sdl_grab_end();
	304	}
95219897 PB	305	vga_hw_invalidate();
95219897 PB	306	vga_hw_update();
8e9c4afe FB	307	}
8e9c4afe FB	308
0f0b7264 FB	309	static void sdl_refresh(DisplayState *ds)
	310	{
	311	SDL_Event ev1, *ev = &ev1;
8e9c4afe FB	312	int mod_state;
8e9c4afe FB	313
8a7ddc38 FB	314	if (last_vm_running != vm_running) {
	315	last_vm_running = vm_running;
	316	sdl_update_caption();
	317	}
	318
95219897	319	vga_hw_update();
457831f4	320
0f0b7264 FB	321	while (SDL_PollEvent(ev)) {
	322	switch (ev->type) {
	323	case SDL_VIDEOEXPOSE:
	324	sdl_update(ds, 0, 0, screen->w, screen->h);
	325	break;
	326	case SDL_KEYDOWN:
	327	case SDL_KEYUP:
	328	if (ev->type == SDL_KEYDOWN) {
32ff25bf FB	329	mod_state = (SDL_GetModState() & gui_grab_code) ==
32ff25bf FB	330	gui_grab_code;
8e9c4afe	331	gui_key_modifier_pressed = mod_state;
457831f4	332	if (gui_key_modifier_pressed) {
32ff25bf FB	333	int keycode;
	334	keycode = sdl_keyevent_to_keycode(&ev->key);
	335	switch(keycode) {
	336	case 0x21: /* 'f' key on US keyboard */
457831f4 FB	337	toggle_full_screen(ds);
	338	gui_keysym = 1;
	339	break;
32ff25bf	340	case 0x02 ... 0x0a: /* '1' to '9' keys */
dfd92d3a FB	341	/* Reset the modifiers sent to the current console */
dfd92d3a FB	342	reset_keys();
32ff25bf	343	console_select(keycode - 0x02);
95219897	344	if (!is_graphic_console()) {
457831f4 FB	345	/* display grab if going to a text console */
	346	if (gui_grab)
	347	sdl_grab_end();
	348	}
	349	gui_keysym = 1;
	350	break;
	351	default:
	352	break;
	353	}
95219897	354	} else if (!is_graphic_console()) {
457831f4 FB	355	int keysym;
	356	keysym = 0;
	357	if (ev->key.keysym.mod & (KMOD_LCTRL \| KMOD_RCTRL)) {
	358	switch(ev->key.keysym.sym) {
	359	case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
	360	case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
	361	case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
	362	case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
	363	case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
	364	case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
	365	case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
	366	case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
	367	default: break;
	368	}
	369	} else {
	370	switch(ev->key.keysym.sym) {
	371	case SDLK_UP: keysym = QEMU_KEY_UP; break;
	372	case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
	373	case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
	374	case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
	375	case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
	376	case SDLK_END: keysym = QEMU_KEY_END; break;
	377	case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
	378	case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
	379	case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
	380	default: break;
	381	}
	382	}
	383	if (keysym) {
	384	kbd_put_keysym(keysym);
	385	} else if (ev->key.keysym.unicode != 0) {
	386	kbd_put_keysym(ev->key.keysym.unicode);
	387	}
8e9c4afe FB	388	}
8e9c4afe FB	389	} else if (ev->type == SDL_KEYUP) {
bf2b84e4	390	mod_state = (ev->key.keysym.mod & gui_grab_code);
8e9c4afe FB	391	if (!mod_state) {
8e9c4afe FB	392	if (gui_key_modifier_pressed) {
5b311878	393	gui_key_modifier_pressed = 0;
457831f4	394	if (gui_keysym == 0) {
32ff25bf	395	/* exit/enter grab if pressing Ctrl-Alt */
c66b0d4c FB	396	if (!gui_grab) {
	397	/* if the application is not active,
	398	do not try to enter grab state. It
	399	prevents
	400	'SDL_WM_GrabInput(SDL_GRAB_ON)'
	401	from blocking all the application
	402	(SDL bug). */
	403	if (SDL_GetAppState() & SDL_APPACTIVE)
	404	sdl_grab_start();
	405	} else {
8e9c4afe	406	sdl_grab_end();
c66b0d4c	407	}
32ff25bf FB	408	/* SDL does not send back all the
	409	modifiers key, so we must correct it */
	410	reset_keys();
8e9c4afe FB	411	break;
8e9c4afe FB	412	}
8e9c4afe FB	413	gui_keysym = 0;
8e9c4afe FB	414	}
0f0b7264 FB	415	}
0f0b7264 FB	416	}
dfd92d3a	417	if (is_graphic_console() && !gui_keysym)
457831f4	418	sdl_process_key(&ev->key);
0f0b7264 FB	419	break;
0f0b7264 FB	420	case SDL_QUIT:
667accab TS	421	if (!no_quit) {
	422	qemu_system_shutdown_request();
	423	}
0f0b7264 FB	424	break;
0f0b7264 FB	425	case SDL_MOUSEMOTION:
455204eb TS	426	if (gui_grab \|\| kbd_mouse_is_absolute() \|\|
455204eb TS	427	absolute_enabled) {
18a6d284	428	sdl_send_mouse_event(0);
0f0b7264 FB	429	}
	430	break;
	431	case SDL_MOUSEBUTTONDOWN:
	432	case SDL_MOUSEBUTTONUP:
	433	{
	434	SDL_MouseButtonEvent *bev = &ev->button;
09b26c5e	435	if (!gui_grab && !kbd_mouse_is_absolute()) {
0f0b7264 FB	436	if (ev->type == SDL_MOUSEBUTTONDOWN &&
	437	(bev->state & SDL_BUTTON_LMASK)) {
	438	/* start grabbing all events */
	439	sdl_grab_start();
	440	}
	441	} else {
18a6d284 FB	442	int dz;
	443	dz = 0;
	444	#ifdef SDL_BUTTON_WHEELUP
09b26c5e	445	if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
18a6d284	446	dz = -1;
09b26c5e	447	} else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
18a6d284 FB	448	dz = 1;
	449	}
	450	#endif
	451	sdl_send_mouse_event(dz);
0f0b7264 FB	452	}
	453	}
	454	break;
0294ffb9	455	case SDL_ACTIVEEVENT:
5b311878 PB	456	if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
5b311878 PB	457	!ev->active.gain && !gui_fullscreen_initial_grab) {
0294ffb9 FB	458	sdl_grab_end();
	459	}
	460	break;
0f0b7264 FB	461	default:
	462	break;
	463	}
	464	}
	465	}
	466
898712a8 FB	467	static void sdl_cleanup(void)
	468	{
	469	SDL_Quit();
	470	}
	471
d63d307f	472	void sdl_display_init(DisplayState *ds, int full_screen)
0f0b7264 FB	473	{
0f0b7264 FB	474	int flags;
09b26c5e	475	uint8_t data = 0;
0f0b7264	476
3d11d0eb FB	477	#if defined(__APPLE__)
	478	/* always use generic keymaps */
	479	if (!keyboard_layout)
	480	keyboard_layout = "en-us";
	481	#endif
	482	if(keyboard_layout) {
	483	kbd_layout = init_keyboard_layout(keyboard_layout);
	484	if (!kbd_layout)
	485	exit(1);
	486	}
	487
0f0b7264 FB	488	flags = SDL_INIT_VIDEO \| SDL_INIT_NOPARACHUTE;
	489	if (SDL_Init (flags)) {
	490	fprintf(stderr, "Could not initialize SDL - exiting\n");
	491	exit(1);
	492	}
67b915a5	493	#ifndef _WIN32
0ae04d73 FB	494	/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
	495	signal(SIGINT, SIG_DFL);
	496	signal(SIGQUIT, SIG_DFL);
67b915a5	497	#endif
0ae04d73	498
0f0b7264 FB	499	ds->dpy_update = sdl_update;
	500	ds->dpy_resize = sdl_resize;
	501	ds->dpy_refresh = sdl_refresh;
	502
	503	sdl_resize(ds, 640, 400);
8a7ddc38	504	sdl_update_caption();
0f0b7264	505	SDL_EnableKeyRepeat(250, 50);
457831f4	506	SDL_EnableUNICODE(1);
0f0b7264	507	gui_grab = 0;
898712a8	508
09b26c5e FB	509	sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
	510	sdl_cursor_normal = SDL_GetCursor();
	511
898712a8	512	atexit(sdl_cleanup);
d63d307f FB	513	if (full_screen) {
	514	gui_fullscreen = 1;
	515	gui_fullscreen_initial_grab = 1;
	516	sdl_grab_start();
	517	}
0f0b7264	518	}