2 * QEMU SDL display driver
4 * Copyright (c) 2003 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
32 #if defined(__APPLE__)
33 #define CONFIG_SDL_GENERIC_KBD
36 static SDL_Surface
*screen
;
37 static int gui_grab
; /* if true, all keyboard/mouse events are grabbed */
38 static int last_vm_running
;
39 static int gui_saved_grab
;
40 static int gui_fullscreen
;
41 static int gui_key_modifier_pressed
;
42 static int gui_keysym
;
43 static int gui_fullscreen_initial_grab
;
44 static int gui_grab_code
= KMOD_LALT
| KMOD_LCTRL
;
45 static uint8_t modifiers_state
[256];
47 static void sdl_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
49 // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
50 SDL_UpdateRect(screen
, x
, y
, w
, h
);
53 static void sdl_resize(DisplayState
*ds
, int w
, int h
)
57 // printf("resizing to %d %d\n", w, h);
59 flags
= SDL_HWSURFACE
|SDL_ASYNCBLIT
|SDL_HWACCEL
;
60 flags
|= SDL_RESIZABLE
;
62 flags
|= SDL_FULLSCREEN
;
63 screen
= SDL_SetVideoMode(w
, h
, 0, flags
);
65 fprintf(stderr
, "Could not open SDL display\n");
68 ds
->data
= screen
->pixels
;
69 ds
->linesize
= screen
->pitch
;
70 ds
->depth
= screen
->format
->BitsPerPixel
;
75 #ifdef CONFIG_SDL_GENERIC_KBD
77 /* XXX: use keymap tables defined in the VNC patch because the
78 following code suppose you have a US keyboard. */
80 static const uint8_t scancodes
[SDLK_LAST
] = {
94 [SDLK_BACKSPACE
] = 0x0e,
106 [SDLK_LEFTBRACKET
] = 0x1a,
107 [SDLK_RIGHTBRACKET
] = 0x1b,
108 [SDLK_RETURN
] = 0x1c,
119 [SDLK_SEMICOLON
] = 0x27,
121 [SDLK_BACKQUOTE
] = 0x29,
122 [SDLK_LSHIFT
] = 0x2a,
123 [SDLK_BACKSLASH
] = 0x2b,
132 [SDLK_PERIOD
] = 0x34,
134 [SDLK_KP_MULTIPLY
] = 0x37,
137 [SDLK_CAPSLOCK
] = 0x3a,
148 [SDLK_NUMLOCK
] = 0x45,
149 [SDLK_SCROLLOCK
] = 0x46,
153 [SDLK_KP_MINUS
] = 0x4a,
157 [SDLK_KP_PLUS
] = 0x4e,
162 [SDLK_KP_PERIOD
] = 0x53,
166 [SDLK_KP_ENTER
] = 0x9c,
167 [SDLK_KP_DIVIDE
] = 0xb5,
173 [SDLK_INSERT
] = 0xd2,
176 [SDLK_PAGEUP
] = 0xc9,
177 [SDLK_PAGEDOWN
] = 0xd1,
178 [SDLK_DELETE
] = 0xd3,
181 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent
*ev
)
183 return scancodes
[ev
->keysym
.sym
];
186 #elif defined(_WIN32)
188 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent
*ev
)
190 return ev
->keysym
.scancode
;
195 static const uint8_t x_keycode_to_pc_keycode
[61] = {
201 0xcd, /* 102 Right */
207 0x9c, /* 108 Enter */
208 0x9d, /* 109 Ctrl-R */
210 0xb7, /* 111 Print */
211 0xb5, /* 112 Divide */
212 0xb8, /* 113 Alt-R */
213 0xc6, /* 114 Break */
219 0x70, /* 120 Hiragana_Katakana */
222 0x73, /* 123 backslash */
228 0x79, /* 129 Henkan */
230 0x7b, /* 131 Muhenkan */
246 0x47, /* 147 KP_HOME */
247 0x48, /* 148 KP_UP */
248 0x49, /* 149 KP_PgUp */
249 0x4b, /* 150 KP_Left */
251 0x4d, /* 152 KP_Right */
252 0x4f, /* 153 KP_End */
253 0x50, /* 154 KP_Down */
254 0x51, /* 155 KP_PgDn */
255 0x52, /* 156 KP_Ins */
256 0x53, /* 157 KP_Del */
259 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent
*ev
)
263 keycode
= ev
->keysym
.scancode
;
267 } else if (keycode
< 97) {
268 keycode
-= 8; /* just an offset */
269 } else if (keycode
< 158) {
270 /* use conversion table */
271 keycode
= x_keycode_to_pc_keycode
[keycode
- 97];
280 static void reset_keys(void)
283 for(i
= 0; i
< 256; i
++) {
284 if (modifiers_state
[i
]) {
286 kbd_put_keycode(0xe0);
287 kbd_put_keycode(i
| 0x80);
288 modifiers_state
[i
] = 0;
293 static void sdl_process_key(SDL_KeyboardEvent
*ev
)
297 if (ev
->keysym
.sym
== SDLK_PAUSE
) {
300 if (ev
->type
== SDL_KEYUP
)
302 kbd_put_keycode(0xe1);
303 kbd_put_keycode(0x1d | v
);
304 kbd_put_keycode(0x45 | v
);
308 /* XXX: not portable, but avoids complicated mappings */
309 keycode
= sdl_keyevent_to_keycode(ev
);
313 /* sent when leaving window: reset the modifiers state */
316 case 0x2a: /* Left Shift */
317 case 0x36: /* Right Shift */
318 case 0x1d: /* Left CTRL */
319 case 0x9d: /* Right CTRL */
320 case 0x38: /* Left ALT */
321 case 0xb8: /* Right ALT */
322 if (ev
->type
== SDL_KEYUP
)
323 modifiers_state
[keycode
] = 0;
325 modifiers_state
[keycode
] = 1;
327 case 0x45: /* num lock */
328 case 0x3a: /* caps lock */
329 /* SDL does not send the key up event, so we generate it */
330 kbd_put_keycode(keycode
);
331 kbd_put_keycode(keycode
| 0x80);
335 /* now send the key code */
337 kbd_put_keycode(0xe0);
338 if (ev
->type
== SDL_KEYUP
)
339 kbd_put_keycode(keycode
| 0x80);
341 kbd_put_keycode(keycode
& 0x7f);
344 static void sdl_update_caption(void)
349 strcat(buf
, " [Stopped]");
352 strcat(buf
, " - Press Ctrl-Alt to exit grab");
354 SDL_WM_SetCaption(buf
, "QEMU");
357 static void sdl_grab_start(void)
360 SDL_WM_GrabInput(SDL_GRAB_ON
);
361 /* dummy read to avoid moving the mouse */
362 SDL_GetRelativeMouseState(NULL
, NULL
);
364 sdl_update_caption();
367 static void sdl_grab_end(void)
369 SDL_WM_GrabInput(SDL_GRAB_OFF
);
372 sdl_update_caption();
375 static void sdl_send_mouse_event(void)
377 int dx
, dy
, dz
, state
, buttons
;
378 state
= SDL_GetRelativeMouseState(&dx
, &dy
);
380 if (state
& SDL_BUTTON(SDL_BUTTON_LEFT
))
381 buttons
|= MOUSE_EVENT_LBUTTON
;
382 if (state
& SDL_BUTTON(SDL_BUTTON_RIGHT
))
383 buttons
|= MOUSE_EVENT_RBUTTON
;
384 if (state
& SDL_BUTTON(SDL_BUTTON_MIDDLE
))
385 buttons
|= MOUSE_EVENT_MBUTTON
;
386 /* XXX: test wheel */
388 #ifdef SDL_BUTTON_WHEELUP
389 if (state
& SDL_BUTTON(SDL_BUTTON_WHEELUP
))
391 if (state
& SDL_BUTTON(SDL_BUTTON_WHEELDOWN
))
394 kbd_mouse_event(dx
, dy
, dz
, buttons
);
397 static void toggle_full_screen(DisplayState
*ds
)
399 gui_fullscreen
= !gui_fullscreen
;
400 sdl_resize(ds
, screen
->w
, screen
->h
);
401 if (gui_fullscreen
) {
402 gui_saved_grab
= gui_grab
;
408 vga_invalidate_display();
409 vga_update_display();
412 static void sdl_refresh(DisplayState
*ds
)
414 SDL_Event ev1
, *ev
= &ev1
;
417 if (last_vm_running
!= vm_running
) {
418 last_vm_running
= vm_running
;
419 sdl_update_caption();
422 if (is_active_console(vga_console
))
423 vga_update_display();
425 while (SDL_PollEvent(ev
)) {
427 case SDL_VIDEOEXPOSE
:
428 sdl_update(ds
, 0, 0, screen
->w
, screen
->h
);
432 if (ev
->type
== SDL_KEYDOWN
) {
433 mod_state
= (SDL_GetModState() & gui_grab_code
) ==
435 gui_key_modifier_pressed
= mod_state
;
436 if (gui_key_modifier_pressed
) {
438 keycode
= sdl_keyevent_to_keycode(&ev
->key
);
440 case 0x21: /* 'f' key on US keyboard */
441 toggle_full_screen(ds
);
444 case 0x02 ... 0x0a: /* '1' to '9' keys */
445 console_select(keycode
- 0x02);
446 if (is_active_console(vga_console
)) {
447 /* tell the vga console to redisplay itself */
448 vga_invalidate_display();
450 /* display grab if going to a text console */
459 } else if (!is_active_console(vga_console
)) {
462 if (ev
->key
.keysym
.mod
& (KMOD_LCTRL
| KMOD_RCTRL
)) {
463 switch(ev
->key
.keysym
.sym
) {
464 case SDLK_UP
: keysym
= QEMU_KEY_CTRL_UP
; break;
465 case SDLK_DOWN
: keysym
= QEMU_KEY_CTRL_DOWN
; break;
466 case SDLK_LEFT
: keysym
= QEMU_KEY_CTRL_LEFT
; break;
467 case SDLK_RIGHT
: keysym
= QEMU_KEY_CTRL_RIGHT
; break;
468 case SDLK_HOME
: keysym
= QEMU_KEY_CTRL_HOME
; break;
469 case SDLK_END
: keysym
= QEMU_KEY_CTRL_END
; break;
470 case SDLK_PAGEUP
: keysym
= QEMU_KEY_CTRL_PAGEUP
; break;
471 case SDLK_PAGEDOWN
: keysym
= QEMU_KEY_CTRL_PAGEDOWN
; break;
475 switch(ev
->key
.keysym
.sym
) {
476 case SDLK_UP
: keysym
= QEMU_KEY_UP
; break;
477 case SDLK_DOWN
: keysym
= QEMU_KEY_DOWN
; break;
478 case SDLK_LEFT
: keysym
= QEMU_KEY_LEFT
; break;
479 case SDLK_RIGHT
: keysym
= QEMU_KEY_RIGHT
; break;
480 case SDLK_HOME
: keysym
= QEMU_KEY_HOME
; break;
481 case SDLK_END
: keysym
= QEMU_KEY_END
; break;
482 case SDLK_PAGEUP
: keysym
= QEMU_KEY_PAGEUP
; break;
483 case SDLK_PAGEDOWN
: keysym
= QEMU_KEY_PAGEDOWN
; break;
484 case SDLK_BACKSPACE
: keysym
= QEMU_KEY_BACKSPACE
; break; case SDLK_DELETE
: keysym
= QEMU_KEY_DELETE
; break;
489 kbd_put_keysym(keysym
);
490 } else if (ev
->key
.keysym
.unicode
!= 0) {
491 kbd_put_keysym(ev
->key
.keysym
.unicode
);
494 } else if (ev
->type
== SDL_KEYUP
) {
495 mod_state
= (ev
->key
.keysym
.mod
& gui_grab_code
);
497 if (gui_key_modifier_pressed
) {
498 if (gui_keysym
== 0) {
499 /* exit/enter grab if pressing Ctrl-Alt */
504 /* SDL does not send back all the
505 modifiers key, so we must correct it */
509 gui_key_modifier_pressed
= 0;
514 if (is_active_console(vga_console
))
515 sdl_process_key(&ev
->key
);
518 qemu_system_shutdown_request();
520 case SDL_MOUSEMOTION
:
522 sdl_send_mouse_event();
525 case SDL_MOUSEBUTTONDOWN
:
526 case SDL_MOUSEBUTTONUP
:
528 SDL_MouseButtonEvent
*bev
= &ev
->button
;
530 if (ev
->type
== SDL_MOUSEBUTTONDOWN
&&
531 (bev
->state
& SDL_BUTTON_LMASK
)) {
532 /* start grabbing all events */
536 sdl_send_mouse_event();
540 case SDL_ACTIVEEVENT
:
541 if (gui_grab
&& (ev
->active
.gain
& SDL_ACTIVEEVENTMASK
) == 0 &&
542 !gui_fullscreen_initial_grab
) {
552 static void sdl_cleanup(void)
557 void sdl_display_init(DisplayState
*ds
, int full_screen
)
561 flags
= SDL_INIT_VIDEO
| SDL_INIT_NOPARACHUTE
;
562 if (SDL_Init (flags
)) {
563 fprintf(stderr
, "Could not initialize SDL - exiting\n");
567 /* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
568 signal(SIGINT
, SIG_DFL
);
569 signal(SIGQUIT
, SIG_DFL
);
572 ds
->dpy_update
= sdl_update
;
573 ds
->dpy_resize
= sdl_resize
;
574 ds
->dpy_refresh
= sdl_refresh
;
576 sdl_resize(ds
, 640, 400);
577 sdl_update_caption();
578 SDL_EnableKeyRepeat(250, 50);
579 SDL_EnableUNICODE(1);
585 gui_fullscreen_initial_grab
= 1;