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
24 #include "qemu-common.h"
34 static SDL_Surface *screen;
35 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
36 static int last_vm_running;
37 static int gui_saved_grab;
38 static int gui_fullscreen;
39 static int gui_noframe;
40 static int gui_key_modifier_pressed;
41 static int gui_keysym;
42 static int gui_fullscreen_initial_grab;
43 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
44 static uint8_t modifiers_state[256];
45 static int width, height;
46 static SDL_Cursor *sdl_cursor_normal;
47 static SDL_Cursor *sdl_cursor_hidden;
48 static int absolute_enabled = 0;
49 static int guest_cursor = 0;
50 static int guest_x, guest_y;
51 static SDL_Cursor *guest_sprite = 0;
53 static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
55 // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
56 SDL_UpdateRect(screen, x, y, w, h);
59 static void sdl_resize(DisplayState *ds, int w, int h)
63 // printf("resizing to %d %d\n", w, h);
65 flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
67 flags |= SDL_FULLSCREEN;
75 screen = SDL_SetVideoMode(w, h, 0, flags);
77 fprintf(stderr, "Could not open SDL display\n");
80 if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
81 flags &= ~SDL_HWSURFACE;
85 if (!screen->pixels) {
86 fprintf(stderr, "Could not open SDL display\n");
89 ds->data = screen->pixels;
90 ds->linesize = screen->pitch;
91 ds->depth = screen->format->BitsPerPixel;
92 /* SDL BitsPerPixel never indicates any values other than
93 multiples of 8, so we need to check for strange depths. */
94 if (ds->depth == 16) {
97 mask = screen->format->Rmask;
98 mask |= screen->format->Gmask;
99 mask |= screen->format->Bmask;
100 if ((mask & 0x8000) == 0)
107 /* generic keyboard conversion */
109 #include "sdl_keysym.h"
112 static kbd_layout_t *kbd_layout = NULL;
114 static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
117 /* workaround for X11+SDL bug with AltGR */
118 keysym = ev->keysym.sym;
119 if (keysym == 0 && ev->keysym.scancode == 113)
121 /* For Japanese key '\' and '|' */
122 if (keysym == 92 && ev->keysym.scancode == 133) {
125 return keysym2scancode(kbd_layout, keysym);
128 /* specific keyboard conversions from scan codes */
132 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
134 return ev->keysym.scancode;
139 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
143 keycode = ev->keysym.scancode;
147 } else if (keycode < 97) {
148 keycode -= 8; /* just an offset */
149 } else if (keycode < 212) {
150 /* use conversion table */
151 keycode = _translate_keycode(keycode - 97);
160 static void reset_keys(void)
163 for(i = 0; i < 256; i++) {
164 if (modifiers_state[i]) {
166 kbd_put_keycode(0xe0);
167 kbd_put_keycode(i | 0x80);
168 modifiers_state[i] = 0;
173 static void sdl_process_key(SDL_KeyboardEvent *ev)
177 if (ev->keysym.sym == SDLK_PAUSE) {
180 if (ev->type == SDL_KEYUP)
182 kbd_put_keycode(0xe1);
183 kbd_put_keycode(0x1d | v);
184 kbd_put_keycode(0x45 | v);
189 keycode = sdl_keyevent_to_keycode_generic(ev);
191 keycode = sdl_keyevent_to_keycode(ev);
196 /* sent when leaving window: reset the modifiers state */
199 case 0x2a: /* Left Shift */
200 case 0x36: /* Right Shift */
201 case 0x1d: /* Left CTRL */
202 case 0x9d: /* Right CTRL */
203 case 0x38: /* Left ALT */
204 case 0xb8: /* Right ALT */
205 if (ev->type == SDL_KEYUP)
206 modifiers_state[keycode] = 0;
208 modifiers_state[keycode] = 1;
210 case 0x45: /* num lock */
211 case 0x3a: /* caps lock */
212 /* SDL does not send the key up event, so we generate it */
213 kbd_put_keycode(keycode);
214 kbd_put_keycode(keycode | 0x80);
218 /* now send the key code */
220 kbd_put_keycode(0xe0);
221 if (ev->type == SDL_KEYUP)
222 kbd_put_keycode(keycode | 0x80);
224 kbd_put_keycode(keycode & 0x7f);
227 static void sdl_update_caption(void)
230 const char *status = "";
233 status = " [Stopped]";
236 status = " - Press Ctrl-Alt to exit grab";
238 status = " - Press Ctrl-Alt-Shift to exit grab";
242 snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status);
244 snprintf(buf, sizeof(buf), "QEMU%s", status);
246 SDL_WM_SetCaption(buf, "QEMU");
249 static void sdl_hide_cursor(void)
254 if (kbd_mouse_is_absolute()) {
256 SDL_SetCursor(sdl_cursor_hidden);
262 static void sdl_show_cursor(void)
267 if (!kbd_mouse_is_absolute()) {
270 (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
271 SDL_SetCursor(guest_sprite);
273 SDL_SetCursor(sdl_cursor_normal);
277 static void sdl_grab_start(void)
280 SDL_SetCursor(guest_sprite);
281 SDL_WarpMouse(guest_x, guest_y);
285 if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) {
287 sdl_update_caption();
292 static void sdl_grab_end(void)
294 SDL_WM_GrabInput(SDL_GRAB_OFF);
297 sdl_update_caption();
300 static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)
304 if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
305 buttons |= MOUSE_EVENT_LBUTTON;
306 if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
307 buttons |= MOUSE_EVENT_RBUTTON;
308 if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
309 buttons |= MOUSE_EVENT_MBUTTON;
311 if (kbd_mouse_is_absolute()) {
312 if (!absolute_enabled) {
317 absolute_enabled = 1;
320 dx = x * 0x7FFF / (width - 1);
321 dy = y * 0x7FFF / (height - 1);
322 } else if (absolute_enabled) {
324 absolute_enabled = 0;
325 } else if (guest_cursor) {
334 kbd_mouse_event(dx, dy, dz, buttons);
337 static void toggle_full_screen(DisplayState *ds)
339 gui_fullscreen = !gui_fullscreen;
340 sdl_resize(ds, screen->w, screen->h);
341 if (gui_fullscreen) {
342 gui_saved_grab = gui_grab;
352 static void sdl_refresh(DisplayState *ds)
354 SDL_Event ev1, *ev = &ev1;
356 int buttonstate = SDL_GetMouseState(NULL, NULL);
358 if (last_vm_running != vm_running) {
359 last_vm_running = vm_running;
360 sdl_update_caption();
364 SDL_EnableUNICODE(!is_graphic_console());
366 while (SDL_PollEvent(ev)) {
368 case SDL_VIDEOEXPOSE:
369 sdl_update(ds, 0, 0, screen->w, screen->h);
373 if (ev->type == SDL_KEYDOWN) {
375 mod_state = (SDL_GetModState() & gui_grab_code) ==
378 mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
379 (gui_grab_code | KMOD_LSHIFT);
381 gui_key_modifier_pressed = mod_state;
382 if (gui_key_modifier_pressed) {
384 keycode = sdl_keyevent_to_keycode(&ev->key);
386 case 0x21: /* 'f' key on US keyboard */
387 toggle_full_screen(ds);
390 case 0x02 ... 0x0a: /* '1' to '9' keys */
391 /* Reset the modifiers sent to the current console */
393 console_select(keycode - 0x02);
394 if (!is_graphic_console()) {
395 /* display grab if going to a text console */
404 } else if (!is_graphic_console()) {
407 if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
408 switch(ev->key.keysym.sym) {
409 case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
410 case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
411 case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
412 case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
413 case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
414 case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
415 case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
416 case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
420 switch(ev->key.keysym.sym) {
421 case SDLK_UP: keysym = QEMU_KEY_UP; break;
422 case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
423 case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
424 case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
425 case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
426 case SDLK_END: keysym = QEMU_KEY_END; break;
427 case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
428 case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
429 case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;
430 case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
435 kbd_put_keysym(keysym);
436 } else if (ev->key.keysym.unicode != 0) {
437 kbd_put_keysym(ev->key.keysym.unicode);
440 } else if (ev->type == SDL_KEYUP) {
442 mod_state = (ev->key.keysym.mod & gui_grab_code);
444 mod_state = (ev->key.keysym.mod &
445 (gui_grab_code | KMOD_LSHIFT));
448 if (gui_key_modifier_pressed) {
449 gui_key_modifier_pressed = 0;
450 if (gui_keysym == 0) {
451 /* exit/enter grab if pressing Ctrl-Alt */
453 /* if the application is not active,
454 do not try to enter grab state. It
456 'SDL_WM_GrabInput(SDL_GRAB_ON)'
457 from blocking all the application
459 if (SDL_GetAppState() & SDL_APPACTIVE)
464 /* SDL does not send back all the
465 modifiers key, so we must correct it */
473 if (is_graphic_console() && !gui_keysym)
474 sdl_process_key(&ev->key);
478 qemu_system_shutdown_request();
480 case SDL_MOUSEMOTION:
481 if (gui_grab || kbd_mouse_is_absolute() ||
483 sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
484 ev->motion.x, ev->motion.y, ev->motion.state);
487 case SDL_MOUSEBUTTONDOWN:
488 case SDL_MOUSEBUTTONUP:
490 SDL_MouseButtonEvent *bev = &ev->button;
491 if (!gui_grab && !kbd_mouse_is_absolute()) {
492 if (ev->type == SDL_MOUSEBUTTONDOWN &&
493 (bev->button == SDL_BUTTON_LEFT)) {
494 /* start grabbing all events */
500 if (ev->type == SDL_MOUSEBUTTONDOWN) {
501 buttonstate |= SDL_BUTTON(bev->button);
503 buttonstate &= ~SDL_BUTTON(bev->button);
505 #ifdef SDL_BUTTON_WHEELUP
506 if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
508 } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
512 sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
516 case SDL_ACTIVEEVENT:
517 if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
518 !ev->active.gain && !gui_fullscreen_initial_grab) {
521 if (ev->active.state & SDL_APPACTIVE) {
522 if (ev->active.gain) {
523 /* Back to default interval */
524 ds->gui_timer_interval = 0;
527 /* Sleeping interval */
528 ds->gui_timer_interval = 500;
539 static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)
541 SDL_Rect dst = { x, y, w, h };
542 SDL_FillRect(screen, &dst, c);
545 static void sdl_mouse_warp(int x, int y, int on)
550 if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
551 SDL_SetCursor(guest_sprite);
557 guest_x = x, guest_y = y;
560 static void sdl_mouse_define(int width, int height, int bpp,
561 int hot_x, int hot_y,
562 uint8_t *image, uint8_t *mask)
564 uint8_t sprite[256], *line;
565 int x, y, dst, bypl, src = 0;
567 SDL_FreeCursor(guest_sprite);
569 memset(sprite, 0, 256);
570 bypl = ((width * bpp + 31) >> 5) << 2;
571 for (y = 0, dst = 0; y < height; y ++, image += bypl) {
573 for (x = 0; x < width; x ++, dst ++) {
576 src = *(line ++); src |= *(line ++); src |= *(line ++);
580 src = *(line ++); src |= *(line ++);
586 src = 0xf & (line[x >> 1] >> ((x & 1)) << 2);
589 src = 3 & (line[x >> 2] >> ((x & 3)) << 1);
592 src = 1 & (line[x >> 3] >> (x & 7));
596 sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3];
599 guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y);
602 (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
603 SDL_SetCursor(guest_sprite);
606 static void sdl_cleanup(void)
609 SDL_FreeCursor(guest_sprite);
613 void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
618 #if defined(__APPLE__)
619 /* always use generic keymaps */
620 if (!keyboard_layout)
621 keyboard_layout = "en-us";
623 if(keyboard_layout) {
624 kbd_layout = init_keyboard_layout(keyboard_layout);
632 flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
633 if (SDL_Init (flags)) {
634 fprintf(stderr, "Could not initialize SDL - exiting\n");
638 ds->dpy_update = sdl_update;
639 ds->dpy_resize = sdl_resize;
640 ds->dpy_refresh = sdl_refresh;
641 ds->dpy_fill = sdl_fill;
642 ds->mouse_set = sdl_mouse_warp;
643 ds->cursor_define = sdl_mouse_define;
645 sdl_resize(ds, 640, 400);
646 sdl_update_caption();
647 SDL_EnableKeyRepeat(250, 50);
650 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
651 sdl_cursor_normal = SDL_GetCursor();
656 gui_fullscreen_initial_grab = 1;