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 = (SDL_GetModState() & 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;