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;
44 static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
46 // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
47 SDL_UpdateRect(screen, x, y, w, h);
50 static void sdl_resize(DisplayState *ds, int w, int h)
54 // printf("resizing to %d %d\n", w, h);
56 flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
57 flags |= SDL_RESIZABLE;
59 flags |= SDL_FULLSCREEN;
60 screen = SDL_SetVideoMode(w, h, 0, flags);
62 fprintf(stderr, "Could not open SDL display\n");
65 ds->data = screen->pixels;
66 ds->linesize = screen->pitch;
67 ds->depth = screen->format->BitsPerPixel;
72 #ifdef CONFIG_SDL_GENERIC_KBD
74 /* XXX: use keymap tables defined in the VNC patch because the
75 following code suppose you have a US keyboard. */
77 static const uint8_t scancodes[SDLK_LAST] = {
91 [SDLK_BACKSPACE] = 0x0e,
103 [SDLK_LEFTBRACKET] = 0x1a,
104 [SDLK_RIGHTBRACKET] = 0x1b,
105 [SDLK_RETURN] = 0x1c,
116 [SDLK_SEMICOLON] = 0x27,
118 [SDLK_BACKQUOTE] = 0x29,
119 [SDLK_LSHIFT] = 0x2a,
120 [SDLK_BACKSLASH] = 0x2b,
129 [SDLK_PERIOD] = 0x34,
131 [SDLK_KP_MULTIPLY] = 0x37,
134 [SDLK_CAPSLOCK] = 0x3a,
145 [SDLK_NUMLOCK] = 0x45,
146 [SDLK_SCROLLOCK] = 0x46,
150 [SDLK_KP_MINUS] = 0x4a,
154 [SDLK_KP_PLUS] = 0x4e,
159 [SDLK_KP_PERIOD] = 0x53,
163 [SDLK_KP_ENTER] = 0x9c,
164 [SDLK_KP_DIVIDE] = 0xb5,
170 [SDLK_INSERT] = 0xd2,
173 [SDLK_PAGEUP] = 0xc9,
174 [SDLK_PAGEDOWN] = 0xd1,
175 [SDLK_DELETE] = 0xd3,
178 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
180 return scancodes[ev->keysym.sym];
183 #elif defined(_WIN32)
185 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
187 return ev->keysym.scancode;
192 static const uint8_t x_keycode_to_pc_keycode[61] = {
198 0xcd, /* 102 Right */
204 0x9c, /* 108 Enter */
205 0x9d, /* 109 Ctrl-R */
207 0xb7, /* 111 Print */
208 0xb5, /* 112 Divide */
209 0xb8, /* 113 Alt-R */
210 0xc6, /* 114 Break */
216 0x70, /* 120 Hiragana_Katakana */
219 0x73, /* 123 backslash */
225 0x79, /* 129 Henkan */
227 0x7b, /* 131 Muhenkan */
243 0x47, /* 147 KP_HOME */
244 0x48, /* 148 KP_UP */
245 0x49, /* 149 KP_PgUp */
246 0x4b, /* 150 KP_Left */
248 0x4d, /* 152 KP_Right */
249 0x4f, /* 153 KP_End */
250 0x50, /* 154 KP_Down */
251 0x51, /* 155 KP_PgDn */
252 0x52, /* 156 KP_Ins */
253 0x53, /* 157 KP_Del */
256 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
260 keycode = ev->keysym.scancode;
264 } else if (keycode < 97) {
265 keycode -= 8; /* just an offset */
266 } else if (keycode < 158) {
267 /* use conversion table */
268 keycode = x_keycode_to_pc_keycode[keycode - 97];
277 static void sdl_process_key(SDL_KeyboardEvent *ev)
280 static uint8_t modifiers_state[256];
282 if (ev->keysym.sym == SDLK_PAUSE) {
285 if (ev->type == SDL_KEYUP)
287 kbd_put_keycode(0xe1);
288 kbd_put_keycode(0x1d | v);
289 kbd_put_keycode(0x45 | v);
293 /* XXX: not portable, but avoids complicated mappings */
294 keycode = sdl_keyevent_to_keycode(ev);
298 /* sent when leaving window: reset the modifiers state */
299 for(i = 0; i < 256; i++) {
300 if (modifiers_state[i]) {
302 kbd_put_keycode(0xe0);
303 kbd_put_keycode(i | 0x80);
307 case 0x2a: /* Left Shift */
308 case 0x36: /* Right Shift */
309 case 0x1d: /* Left CTRL */
310 case 0x9d: /* Right CTRL */
311 case 0x38: /* Left ALT */
312 case 0xb8: /* Right ALT */
313 if (ev->type == SDL_KEYUP)
314 modifiers_state[keycode] = 0;
316 modifiers_state[keycode] = 1;
318 case 0x45: /* num lock */
319 case 0x3a: /* caps lock */
320 /* SDL does not send the key up event, so we generate it */
321 kbd_put_keycode(keycode);
322 kbd_put_keycode(keycode | 0x80);
326 /* now send the key code */
328 kbd_put_keycode(0xe0);
329 if (ev->type == SDL_KEYUP)
330 kbd_put_keycode(keycode | 0x80);
332 kbd_put_keycode(keycode & 0x7f);
335 static void sdl_update_caption(void)
340 strcat(buf, " [Stopped]");
343 strcat(buf, " - Press Ctrl-Shift to exit grab");
345 SDL_WM_SetCaption(buf, "QEMU");
348 static void sdl_grab_start(void)
351 SDL_WM_GrabInput(SDL_GRAB_ON);
352 /* dummy read to avoid moving the mouse */
353 SDL_GetRelativeMouseState(NULL, NULL);
355 sdl_update_caption();
358 static void sdl_grab_end(void)
360 SDL_WM_GrabInput(SDL_GRAB_OFF);
363 sdl_update_caption();
366 static void sdl_send_mouse_event(void)
368 int dx, dy, dz, state, buttons;
369 state = SDL_GetRelativeMouseState(&dx, &dy);
371 if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
372 buttons |= MOUSE_EVENT_LBUTTON;
373 if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
374 buttons |= MOUSE_EVENT_RBUTTON;
375 if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
376 buttons |= MOUSE_EVENT_MBUTTON;
377 /* XXX: test wheel */
379 #ifdef SDL_BUTTON_WHEELUP
380 if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
382 if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
385 kbd_mouse_event(dx, dy, dz, buttons);
388 static void toggle_full_screen(DisplayState *ds)
390 gui_fullscreen = !gui_fullscreen;
391 sdl_resize(ds, screen->w, screen->h);
392 if (gui_fullscreen) {
393 gui_saved_grab = gui_grab;
399 vga_invalidate_display();
400 vga_update_display();
403 static void sdl_refresh(DisplayState *ds)
405 SDL_Event ev1, *ev = &ev1;
408 if (last_vm_running != vm_running) {
409 last_vm_running = vm_running;
410 sdl_update_caption();
413 if (is_active_console(vga_console))
414 vga_update_display();
416 while (SDL_PollEvent(ev)) {
418 case SDL_VIDEOEXPOSE:
419 sdl_update(ds, 0, 0, screen->w, screen->h);
423 if (ev->type == SDL_KEYDOWN) {
424 mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)) ==
425 (KMOD_LSHIFT | KMOD_LCTRL);
426 gui_key_modifier_pressed = mod_state;
427 if (gui_key_modifier_pressed) {
428 switch(ev->key.keysym.sym) {
430 toggle_full_screen(ds);
433 case SDLK_F1 ... SDLK_F12:
434 console_select(ev->key.keysym.sym - SDLK_F1);
435 if (is_active_console(vga_console)) {
436 /* tell the vga console to redisplay itself */
437 vga_invalidate_display();
439 /* display grab if going to a text console */
449 if (!is_active_console(vga_console)) {
452 if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
453 switch(ev->key.keysym.sym) {
454 case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
455 case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
456 case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
457 case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
458 case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
459 case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
460 case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
461 case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
465 switch(ev->key.keysym.sym) {
466 case SDLK_UP: keysym = QEMU_KEY_UP; break;
467 case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
468 case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
469 case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
470 case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
471 case SDLK_END: keysym = QEMU_KEY_END; break;
472 case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
473 case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
474 case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
479 kbd_put_keysym(keysym);
480 } else if (ev->key.keysym.unicode != 0) {
481 kbd_put_keysym(ev->key.keysym.unicode);
484 } else if (ev->type == SDL_KEYUP) {
485 mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL));
487 if (gui_key_modifier_pressed) {
488 if (gui_keysym == 0) {
489 /* exit/enter grab if pressing Ctrl-Shift */
496 gui_key_modifier_pressed = 0;
501 if (is_active_console(vga_console))
502 sdl_process_key(&ev->key);
505 qemu_system_shutdown_request();
507 case SDL_MOUSEMOTION:
509 sdl_send_mouse_event();
512 case SDL_MOUSEBUTTONDOWN:
513 case SDL_MOUSEBUTTONUP:
515 SDL_MouseButtonEvent *bev = &ev->button;
517 if (ev->type == SDL_MOUSEBUTTONDOWN &&
518 (bev->state & SDL_BUTTON_LMASK)) {
519 /* start grabbing all events */
523 sdl_send_mouse_event();
527 case SDL_ACTIVEEVENT:
528 if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0) {
538 static void sdl_cleanup(void)
543 void sdl_display_init(DisplayState *ds)
547 flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
548 if (SDL_Init (flags)) {
549 fprintf(stderr, "Could not initialize SDL - exiting\n");
553 /* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
554 signal(SIGINT, SIG_DFL);
555 signal(SIGQUIT, SIG_DFL);
558 ds->dpy_update = sdl_update;
559 ds->dpy_resize = sdl_resize;
560 ds->dpy_refresh = sdl_refresh;
562 sdl_resize(ds, 640, 400);
563 sdl_update_caption();
564 SDL_EnableKeyRepeat(250, 50);
565 SDL_EnableUNICODE(1);