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;
45 static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
47 // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
48 SDL_UpdateRect(screen, x, y, w, h);
51 static void sdl_resize(DisplayState *ds, int w, int h)
55 // printf("resizing to %d %d\n", w, h);
57 flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
58 flags |= SDL_RESIZABLE;
60 flags |= SDL_FULLSCREEN;
61 screen = SDL_SetVideoMode(w, h, 0, flags);
63 fprintf(stderr, "Could not open SDL display\n");
66 ds->data = screen->pixels;
67 ds->linesize = screen->pitch;
68 ds->depth = screen->format->BitsPerPixel;
73 #ifdef CONFIG_SDL_GENERIC_KBD
75 /* XXX: use keymap tables defined in the VNC patch because the
76 following code suppose you have a US keyboard. */
78 static const uint8_t scancodes[SDLK_LAST] = {
92 [SDLK_BACKSPACE] = 0x0e,
104 [SDLK_LEFTBRACKET] = 0x1a,
105 [SDLK_RIGHTBRACKET] = 0x1b,
106 [SDLK_RETURN] = 0x1c,
117 [SDLK_SEMICOLON] = 0x27,
119 [SDLK_BACKQUOTE] = 0x29,
120 [SDLK_LSHIFT] = 0x2a,
121 [SDLK_BACKSLASH] = 0x2b,
130 [SDLK_PERIOD] = 0x34,
132 [SDLK_KP_MULTIPLY] = 0x37,
135 [SDLK_CAPSLOCK] = 0x3a,
146 [SDLK_NUMLOCK] = 0x45,
147 [SDLK_SCROLLOCK] = 0x46,
151 [SDLK_KP_MINUS] = 0x4a,
155 [SDLK_KP_PLUS] = 0x4e,
160 [SDLK_KP_PERIOD] = 0x53,
164 [SDLK_KP_ENTER] = 0x9c,
165 [SDLK_KP_DIVIDE] = 0xb5,
171 [SDLK_INSERT] = 0xd2,
174 [SDLK_PAGEUP] = 0xc9,
175 [SDLK_PAGEDOWN] = 0xd1,
176 [SDLK_DELETE] = 0xd3,
179 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
181 return scancodes[ev->keysym.sym];
184 #elif defined(_WIN32)
186 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
188 return ev->keysym.scancode;
193 static const uint8_t x_keycode_to_pc_keycode[61] = {
199 0xcd, /* 102 Right */
205 0x9c, /* 108 Enter */
206 0x9d, /* 109 Ctrl-R */
208 0xb7, /* 111 Print */
209 0xb5, /* 112 Divide */
210 0xb8, /* 113 Alt-R */
211 0xc6, /* 114 Break */
217 0x70, /* 120 Hiragana_Katakana */
220 0x73, /* 123 backslash */
226 0x79, /* 129 Henkan */
228 0x7b, /* 131 Muhenkan */
244 0x47, /* 147 KP_HOME */
245 0x48, /* 148 KP_UP */
246 0x49, /* 149 KP_PgUp */
247 0x4b, /* 150 KP_Left */
249 0x4d, /* 152 KP_Right */
250 0x4f, /* 153 KP_End */
251 0x50, /* 154 KP_Down */
252 0x51, /* 155 KP_PgDn */
253 0x52, /* 156 KP_Ins */
254 0x53, /* 157 KP_Del */
257 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
261 keycode = ev->keysym.scancode;
265 } else if (keycode < 97) {
266 keycode -= 8; /* just an offset */
267 } else if (keycode < 158) {
268 /* use conversion table */
269 keycode = x_keycode_to_pc_keycode[keycode - 97];
278 static void sdl_process_key(SDL_KeyboardEvent *ev)
281 static uint8_t modifiers_state[256];
283 if (ev->keysym.sym == SDLK_PAUSE) {
286 if (ev->type == SDL_KEYUP)
288 kbd_put_keycode(0xe1);
289 kbd_put_keycode(0x1d | v);
290 kbd_put_keycode(0x45 | v);
294 /* XXX: not portable, but avoids complicated mappings */
295 keycode = sdl_keyevent_to_keycode(ev);
299 /* sent when leaving window: reset the modifiers state */
300 for(i = 0; i < 256; i++) {
301 if (modifiers_state[i]) {
303 kbd_put_keycode(0xe0);
304 kbd_put_keycode(i | 0x80);
308 case 0x2a: /* Left Shift */
309 case 0x36: /* Right Shift */
310 case 0x1d: /* Left CTRL */
311 case 0x9d: /* Right CTRL */
312 case 0x38: /* Left ALT */
313 case 0xb8: /* Right ALT */
314 if (ev->type == SDL_KEYUP)
315 modifiers_state[keycode] = 0;
317 modifiers_state[keycode] = 1;
319 case 0x45: /* num lock */
320 case 0x3a: /* caps lock */
321 /* SDL does not send the key up event, so we generate it */
322 kbd_put_keycode(keycode);
323 kbd_put_keycode(keycode | 0x80);
327 /* now send the key code */
329 kbd_put_keycode(0xe0);
330 if (ev->type == SDL_KEYUP)
331 kbd_put_keycode(keycode | 0x80);
333 kbd_put_keycode(keycode & 0x7f);
336 static void sdl_update_caption(void)
341 strcat(buf, " [Stopped]");
344 strcat(buf, " - Press Ctrl-Shift to exit grab");
346 SDL_WM_SetCaption(buf, "QEMU");
349 static void sdl_grab_start(void)
352 SDL_WM_GrabInput(SDL_GRAB_ON);
353 /* dummy read to avoid moving the mouse */
354 SDL_GetRelativeMouseState(NULL, NULL);
356 sdl_update_caption();
359 static void sdl_grab_end(void)
361 SDL_WM_GrabInput(SDL_GRAB_OFF);
364 sdl_update_caption();
367 static void sdl_send_mouse_event(void)
369 int dx, dy, dz, state, buttons;
370 state = SDL_GetRelativeMouseState(&dx, &dy);
372 if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
373 buttons |= MOUSE_EVENT_LBUTTON;
374 if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
375 buttons |= MOUSE_EVENT_RBUTTON;
376 if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
377 buttons |= MOUSE_EVENT_MBUTTON;
378 /* XXX: test wheel */
380 #ifdef SDL_BUTTON_WHEELUP
381 if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
383 if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
386 kbd_mouse_event(dx, dy, dz, buttons);
389 static void toggle_full_screen(DisplayState *ds)
391 gui_fullscreen = !gui_fullscreen;
392 sdl_resize(ds, screen->w, screen->h);
393 if (gui_fullscreen) {
394 gui_saved_grab = gui_grab;
400 vga_invalidate_display();
401 vga_update_display();
404 static void sdl_refresh(DisplayState *ds)
406 SDL_Event ev1, *ev = &ev1;
409 if (last_vm_running != vm_running) {
410 last_vm_running = vm_running;
411 sdl_update_caption();
414 if (is_active_console(vga_console))
415 vga_update_display();
417 while (SDL_PollEvent(ev)) {
419 case SDL_VIDEOEXPOSE:
420 sdl_update(ds, 0, 0, screen->w, screen->h);
424 if (ev->type == SDL_KEYDOWN) {
425 mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)) ==
426 (KMOD_LSHIFT | KMOD_LCTRL);
427 gui_key_modifier_pressed = mod_state;
428 if (gui_key_modifier_pressed) {
429 switch(ev->key.keysym.sym) {
431 toggle_full_screen(ds);
434 case SDLK_F1 ... SDLK_F12:
435 console_select(ev->key.keysym.sym - SDLK_F1);
436 if (is_active_console(vga_console)) {
437 /* tell the vga console to redisplay itself */
438 vga_invalidate_display();
440 /* display grab if going to a text console */
450 if (!is_active_console(vga_console)) {
453 if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
454 switch(ev->key.keysym.sym) {
455 case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
456 case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
457 case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
458 case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
459 case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
460 case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
461 case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
462 case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
466 switch(ev->key.keysym.sym) {
467 case SDLK_UP: keysym = QEMU_KEY_UP; break;
468 case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
469 case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
470 case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
471 case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
472 case SDLK_END: keysym = QEMU_KEY_END; break;
473 case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
474 case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
475 case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
480 kbd_put_keysym(keysym);
481 } else if (ev->key.keysym.unicode != 0) {
482 kbd_put_keysym(ev->key.keysym.unicode);
485 } else if (ev->type == SDL_KEYUP) {
486 mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL));
488 if (gui_key_modifier_pressed) {
489 if (gui_keysym == 0) {
490 /* exit/enter grab if pressing Ctrl-Shift */
497 gui_key_modifier_pressed = 0;
502 if (is_active_console(vga_console))
503 sdl_process_key(&ev->key);
506 qemu_system_shutdown_request();
508 case SDL_MOUSEMOTION:
510 sdl_send_mouse_event();
513 case SDL_MOUSEBUTTONDOWN:
514 case SDL_MOUSEBUTTONUP:
516 SDL_MouseButtonEvent *bev = &ev->button;
518 if (ev->type == SDL_MOUSEBUTTONDOWN &&
519 (bev->state & SDL_BUTTON_LMASK)) {
520 /* start grabbing all events */
524 sdl_send_mouse_event();
528 case SDL_ACTIVEEVENT:
529 if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0 &&
530 !gui_fullscreen_initial_grab) {
540 static void sdl_cleanup(void)
545 void sdl_display_init(DisplayState *ds, int full_screen)
549 flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
550 if (SDL_Init (flags)) {
551 fprintf(stderr, "Could not initialize SDL - exiting\n");
555 /* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
556 signal(SIGINT, SIG_DFL);
557 signal(SIGQUIT, SIG_DFL);
560 ds->dpy_update = sdl_update;
561 ds->dpy_resize = sdl_resize;
562 ds->dpy_refresh = sdl_refresh;
564 sdl_resize(ds, 640, 400);
565 sdl_update_caption();
566 SDL_EnableKeyRepeat(250, 50);
567 SDL_EnableUNICODE(1);
573 gui_fullscreen_initial_grab = 1;