1 /* 2 * QEMU SDL display driver 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 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: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 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 22 * THE SOFTWARE. 23 */ 24 /* Ported SDL 1.2 code to 2.0 by Dave Airlie. */ 25 26 #include "qemu/osdep.h" 27 #include "qemu-common.h" 28 #include "ui/console.h" 29 #include "ui/input.h" 30 #include "ui/sdl2.h" 31 #include "sysemu/sysemu.h" 32 33 static int sdl2_num_outputs; 34 static struct sdl2_console *sdl2_console; 35 36 static SDL_Surface *guest_sprite_surface; 37 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ 38 39 static int gui_saved_grab; 40 static int gui_fullscreen; 41 static int gui_noframe; 42 static int gui_key_modifier_pressed; 43 static int gui_keysym; 44 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; 45 static SDL_Cursor *sdl_cursor_normal; 46 static SDL_Cursor *sdl_cursor_hidden; 47 static int absolute_enabled; 48 static int guest_cursor; 49 static int guest_x, guest_y; 50 static SDL_Cursor *guest_sprite; 51 static Notifier mouse_mode_notifier; 52 53 #define SDL2_REFRESH_INTERVAL_BUSY 10 54 #define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \ 55 / SDL2_REFRESH_INTERVAL_BUSY + 1) 56 57 static void sdl_update_caption(struct sdl2_console *scon); 58 59 static struct sdl2_console *get_scon_from_window(uint32_t window_id) 60 { 61 int i; 62 for (i = 0; i < sdl2_num_outputs; i++) { 63 if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) { 64 return &sdl2_console[i]; 65 } 66 } 67 return NULL; 68 } 69 70 void sdl2_window_create(struct sdl2_console *scon) 71 { 72 int flags = 0; 73 74 if (!scon->surface) { 75 return; 76 } 77 assert(!scon->real_window); 78 79 if (gui_fullscreen) { 80 flags |= SDL_WINDOW_FULLSCREEN_DESKTOP; 81 } else { 82 flags |= SDL_WINDOW_RESIZABLE; 83 } 84 if (scon->hidden) { 85 flags |= SDL_WINDOW_HIDDEN; 86 } 87 88 scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, 89 SDL_WINDOWPOS_UNDEFINED, 90 surface_width(scon->surface), 91 surface_height(scon->surface), 92 flags); 93 scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0); 94 if (scon->opengl) { 95 scon->winctx = SDL_GL_GetCurrentContext(); 96 } 97 sdl_update_caption(scon); 98 } 99 100 void sdl2_window_destroy(struct sdl2_console *scon) 101 { 102 if (!scon->real_window) { 103 return; 104 } 105 106 SDL_DestroyRenderer(scon->real_renderer); 107 scon->real_renderer = NULL; 108 SDL_DestroyWindow(scon->real_window); 109 scon->real_window = NULL; 110 } 111 112 void sdl2_window_resize(struct sdl2_console *scon) 113 { 114 if (!scon->real_window) { 115 return; 116 } 117 118 SDL_SetWindowSize(scon->real_window, 119 surface_width(scon->surface), 120 surface_height(scon->surface)); 121 } 122 123 static void sdl2_redraw(struct sdl2_console *scon) 124 { 125 if (scon->opengl) { 126 #ifdef CONFIG_OPENGL 127 sdl2_gl_redraw(scon); 128 #endif 129 } else { 130 sdl2_2d_redraw(scon); 131 } 132 } 133 134 static void sdl_update_caption(struct sdl2_console *scon) 135 { 136 char win_title[1024]; 137 char icon_title[1024]; 138 const char *status = ""; 139 140 if (!runstate_is_running()) { 141 status = " [Stopped]"; 142 } else if (gui_grab) { 143 if (alt_grab) { 144 status = " - Press Ctrl-Alt-Shift to exit grab"; 145 } else if (ctrl_grab) { 146 status = " - Press Right-Ctrl to exit grab"; 147 } else { 148 status = " - Press Ctrl-Alt to exit grab"; 149 } 150 } 151 152 if (qemu_name) { 153 snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name, 154 scon->idx, status); 155 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); 156 } else { 157 snprintf(win_title, sizeof(win_title), "QEMU%s", status); 158 snprintf(icon_title, sizeof(icon_title), "QEMU"); 159 } 160 161 if (scon->real_window) { 162 SDL_SetWindowTitle(scon->real_window, win_title); 163 } 164 } 165 166 static void sdl_hide_cursor(void) 167 { 168 if (!cursor_hide) { 169 return; 170 } 171 172 if (qemu_input_is_absolute()) { 173 SDL_ShowCursor(1); 174 SDL_SetCursor(sdl_cursor_hidden); 175 } else { 176 SDL_SetRelativeMouseMode(SDL_TRUE); 177 } 178 } 179 180 static void sdl_show_cursor(void) 181 { 182 if (!cursor_hide) { 183 return; 184 } 185 186 if (!qemu_input_is_absolute()) { 187 SDL_SetRelativeMouseMode(SDL_FALSE); 188 SDL_ShowCursor(1); 189 if (guest_cursor && 190 (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { 191 SDL_SetCursor(guest_sprite); 192 } else { 193 SDL_SetCursor(sdl_cursor_normal); 194 } 195 } 196 } 197 198 static void sdl_grab_start(struct sdl2_console *scon) 199 { 200 QemuConsole *con = scon ? scon->dcl.con : NULL; 201 202 if (!con || !qemu_console_is_graphic(con)) { 203 return; 204 } 205 /* 206 * If the application is not active, do not try to enter grab state. This 207 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the 208 * application (SDL bug). 209 */ 210 if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) { 211 return; 212 } 213 if (guest_cursor) { 214 SDL_SetCursor(guest_sprite); 215 if (!qemu_input_is_absolute() && !absolute_enabled) { 216 SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y); 217 } 218 } else { 219 sdl_hide_cursor(); 220 } 221 SDL_SetWindowGrab(scon->real_window, SDL_TRUE); 222 gui_grab = 1; 223 sdl_update_caption(scon); 224 } 225 226 static void sdl_grab_end(struct sdl2_console *scon) 227 { 228 SDL_SetWindowGrab(scon->real_window, SDL_FALSE); 229 gui_grab = 0; 230 sdl_show_cursor(); 231 sdl_update_caption(scon); 232 } 233 234 static void absolute_mouse_grab(struct sdl2_console *scon) 235 { 236 int mouse_x, mouse_y; 237 int scr_w, scr_h; 238 SDL_GetMouseState(&mouse_x, &mouse_y); 239 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 240 if (mouse_x > 0 && mouse_x < scr_w - 1 && 241 mouse_y > 0 && mouse_y < scr_h - 1) { 242 sdl_grab_start(scon); 243 } 244 } 245 246 static void sdl_mouse_mode_change(Notifier *notify, void *data) 247 { 248 if (qemu_input_is_absolute()) { 249 if (!absolute_enabled) { 250 absolute_enabled = 1; 251 absolute_mouse_grab(&sdl2_console[0]); 252 } 253 } else if (absolute_enabled) { 254 if (!gui_fullscreen) { 255 sdl_grab_end(&sdl2_console[0]); 256 } 257 absolute_enabled = 0; 258 } 259 } 260 261 static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, 262 int x, int y, int state) 263 { 264 static uint32_t bmap[INPUT_BUTTON__MAX] = { 265 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT), 266 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE), 267 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT), 268 }; 269 static uint32_t prev_state; 270 271 if (prev_state != state) { 272 qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state); 273 prev_state = state; 274 } 275 276 if (qemu_input_is_absolute()) { 277 int scr_w, scr_h; 278 int max_w = 0, max_h = 0; 279 int off_x = 0, off_y = 0; 280 int cur_off_x = 0, cur_off_y = 0; 281 int i; 282 283 for (i = 0; i < sdl2_num_outputs; i++) { 284 struct sdl2_console *thiscon = &sdl2_console[i]; 285 if (thiscon->real_window && thiscon->surface) { 286 SDL_GetWindowSize(thiscon->real_window, &scr_w, &scr_h); 287 cur_off_x = thiscon->x; 288 cur_off_y = thiscon->y; 289 if (scr_w + cur_off_x > max_w) { 290 max_w = scr_w + cur_off_x; 291 } 292 if (scr_h + cur_off_y > max_h) { 293 max_h = scr_h + cur_off_y; 294 } 295 if (i == scon->idx) { 296 off_x = cur_off_x; 297 off_y = cur_off_y; 298 } 299 } 300 } 301 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, off_x + x, max_w); 302 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, off_y + y, max_h); 303 } else { 304 if (guest_cursor) { 305 x -= guest_x; 306 y -= guest_y; 307 guest_x += x; 308 guest_y += y; 309 dx = x; 310 dy = y; 311 } 312 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx); 313 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy); 314 } 315 qemu_input_event_sync(); 316 } 317 318 static void toggle_full_screen(struct sdl2_console *scon) 319 { 320 gui_fullscreen = !gui_fullscreen; 321 if (gui_fullscreen) { 322 SDL_SetWindowFullscreen(scon->real_window, 323 SDL_WINDOW_FULLSCREEN_DESKTOP); 324 gui_saved_grab = gui_grab; 325 sdl_grab_start(scon); 326 } else { 327 if (!gui_saved_grab) { 328 sdl_grab_end(scon); 329 } 330 SDL_SetWindowFullscreen(scon->real_window, 0); 331 } 332 sdl2_redraw(scon); 333 } 334 335 static void handle_keydown(SDL_Event *ev) 336 { 337 int mod_state, win; 338 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 339 340 if (alt_grab) { 341 mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) == 342 (gui_grab_code | KMOD_LSHIFT); 343 } else if (ctrl_grab) { 344 mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL; 345 } else { 346 mod_state = (SDL_GetModState() & gui_grab_code) == gui_grab_code; 347 } 348 gui_key_modifier_pressed = mod_state; 349 350 if (gui_key_modifier_pressed) { 351 switch (ev->key.keysym.scancode) { 352 case SDL_SCANCODE_2: 353 case SDL_SCANCODE_3: 354 case SDL_SCANCODE_4: 355 case SDL_SCANCODE_5: 356 case SDL_SCANCODE_6: 357 case SDL_SCANCODE_7: 358 case SDL_SCANCODE_8: 359 case SDL_SCANCODE_9: 360 win = ev->key.keysym.scancode - SDL_SCANCODE_1; 361 if (win < sdl2_num_outputs) { 362 sdl2_console[win].hidden = !sdl2_console[win].hidden; 363 if (sdl2_console[win].real_window) { 364 if (sdl2_console[win].hidden) { 365 SDL_HideWindow(sdl2_console[win].real_window); 366 } else { 367 SDL_ShowWindow(sdl2_console[win].real_window); 368 } 369 } 370 gui_keysym = 1; 371 } 372 break; 373 case SDL_SCANCODE_F: 374 toggle_full_screen(scon); 375 gui_keysym = 1; 376 break; 377 case SDL_SCANCODE_U: 378 sdl2_window_destroy(scon); 379 sdl2_window_create(scon); 380 if (!scon->opengl) { 381 /* re-create scon->texture */ 382 sdl2_2d_switch(&scon->dcl, scon->surface); 383 } 384 gui_keysym = 1; 385 break; 386 #if 0 387 case SDL_SCANCODE_KP_PLUS: 388 case SDL_SCANCODE_KP_MINUS: 389 if (!gui_fullscreen) { 390 int scr_w, scr_h; 391 int width, height; 392 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 393 394 width = MAX(scr_w + (ev->key.keysym.scancode == 395 SDL_SCANCODE_KP_PLUS ? 50 : -50), 396 160); 397 height = (surface_height(scon->surface) * width) / 398 surface_width(scon->surface); 399 fprintf(stderr, "%s: scale to %dx%d\n", 400 __func__, width, height); 401 sdl_scale(scon, width, height); 402 sdl2_redraw(scon); 403 gui_keysym = 1; 404 } 405 #endif 406 default: 407 break; 408 } 409 } 410 if (!gui_keysym) { 411 sdl2_process_key(scon, &ev->key); 412 } 413 } 414 415 static void handle_keyup(SDL_Event *ev) 416 { 417 int mod_state; 418 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 419 420 if (!alt_grab) { 421 mod_state = (ev->key.keysym.mod & gui_grab_code); 422 } else { 423 mod_state = (ev->key.keysym.mod & (gui_grab_code | KMOD_LSHIFT)); 424 } 425 if (!mod_state && gui_key_modifier_pressed) { 426 gui_key_modifier_pressed = 0; 427 if (gui_keysym == 0) { 428 /* exit/enter grab if pressing Ctrl-Alt */ 429 if (!gui_grab) { 430 sdl_grab_start(scon); 431 } else if (!gui_fullscreen) { 432 sdl_grab_end(scon); 433 } 434 /* SDL does not send back all the modifiers key, so we must 435 * correct it. */ 436 sdl2_reset_keys(scon); 437 return; 438 } 439 gui_keysym = 0; 440 } 441 if (!gui_keysym) { 442 sdl2_process_key(scon, &ev->key); 443 } 444 } 445 446 static void handle_textinput(SDL_Event *ev) 447 { 448 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 449 QemuConsole *con = scon ? scon->dcl.con : NULL; 450 451 if (qemu_console_is_graphic(con)) { 452 return; 453 } 454 kbd_put_string_console(con, ev->text.text, strlen(ev->text.text)); 455 } 456 457 static void handle_mousemotion(SDL_Event *ev) 458 { 459 int max_x, max_y; 460 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 461 462 if (qemu_input_is_absolute() || absolute_enabled) { 463 int scr_w, scr_h; 464 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 465 max_x = scr_w - 1; 466 max_y = scr_h - 1; 467 if (gui_grab && (ev->motion.x == 0 || ev->motion.y == 0 || 468 ev->motion.x == max_x || ev->motion.y == max_y)) { 469 sdl_grab_end(scon); 470 } 471 if (!gui_grab && 472 (ev->motion.x > 0 && ev->motion.x < max_x && 473 ev->motion.y > 0 && ev->motion.y < max_y)) { 474 sdl_grab_start(scon); 475 } 476 } 477 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { 478 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, 479 ev->motion.x, ev->motion.y, ev->motion.state); 480 } 481 } 482 483 static void handle_mousebutton(SDL_Event *ev) 484 { 485 int buttonstate = SDL_GetMouseState(NULL, NULL); 486 SDL_MouseButtonEvent *bev; 487 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 488 489 bev = &ev->button; 490 if (!gui_grab && !qemu_input_is_absolute()) { 491 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { 492 /* start grabbing all events */ 493 sdl_grab_start(scon); 494 } 495 } else { 496 if (ev->type == SDL_MOUSEBUTTONDOWN) { 497 buttonstate |= SDL_BUTTON(bev->button); 498 } else { 499 buttonstate &= ~SDL_BUTTON(bev->button); 500 } 501 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); 502 } 503 } 504 505 static void handle_mousewheel(SDL_Event *ev) 506 { 507 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 508 SDL_MouseWheelEvent *wev = &ev->wheel; 509 InputButton btn; 510 511 if (wev->y > 0) { 512 btn = INPUT_BUTTON_WHEELUP; 513 } else if (wev->y < 0) { 514 btn = INPUT_BUTTON_WHEELDOWN; 515 } else { 516 return; 517 } 518 519 qemu_input_queue_btn(scon->dcl.con, btn, true); 520 qemu_input_event_sync(); 521 qemu_input_queue_btn(scon->dcl.con, btn, false); 522 qemu_input_event_sync(); 523 } 524 525 static void handle_windowevent(SDL_Event *ev) 526 { 527 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID); 528 529 if (!scon) { 530 return; 531 } 532 533 switch (ev->window.event) { 534 case SDL_WINDOWEVENT_RESIZED: 535 { 536 QemuUIInfo info; 537 memset(&info, 0, sizeof(info)); 538 info.width = ev->window.data1; 539 info.height = ev->window.data2; 540 dpy_set_ui_info(scon->dcl.con, &info); 541 } 542 sdl2_redraw(scon); 543 break; 544 case SDL_WINDOWEVENT_EXPOSED: 545 sdl2_redraw(scon); 546 break; 547 case SDL_WINDOWEVENT_FOCUS_GAINED: 548 case SDL_WINDOWEVENT_ENTER: 549 if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) { 550 absolute_mouse_grab(scon); 551 } 552 break; 553 case SDL_WINDOWEVENT_FOCUS_LOST: 554 if (gui_grab && !gui_fullscreen) { 555 sdl_grab_end(scon); 556 } 557 break; 558 case SDL_WINDOWEVENT_RESTORED: 559 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT); 560 break; 561 case SDL_WINDOWEVENT_MINIMIZED: 562 update_displaychangelistener(&scon->dcl, 500); 563 break; 564 case SDL_WINDOWEVENT_CLOSE: 565 if (!no_quit) { 566 no_shutdown = 0; 567 qemu_system_shutdown_request(); 568 } 569 break; 570 case SDL_WINDOWEVENT_SHOWN: 571 if (scon->hidden) { 572 SDL_HideWindow(scon->real_window); 573 } 574 break; 575 case SDL_WINDOWEVENT_HIDDEN: 576 if (!scon->hidden) { 577 SDL_ShowWindow(scon->real_window); 578 } 579 break; 580 } 581 } 582 583 void sdl2_poll_events(struct sdl2_console *scon) 584 { 585 SDL_Event ev1, *ev = &ev1; 586 int idle = 1; 587 588 if (scon->last_vm_running != runstate_is_running()) { 589 scon->last_vm_running = runstate_is_running(); 590 sdl_update_caption(scon); 591 } 592 593 while (SDL_PollEvent(ev)) { 594 switch (ev->type) { 595 case SDL_KEYDOWN: 596 idle = 0; 597 handle_keydown(ev); 598 break; 599 case SDL_KEYUP: 600 idle = 0; 601 handle_keyup(ev); 602 break; 603 case SDL_TEXTINPUT: 604 idle = 0; 605 handle_textinput(ev); 606 break; 607 case SDL_QUIT: 608 if (!no_quit) { 609 no_shutdown = 0; 610 qemu_system_shutdown_request(); 611 } 612 break; 613 case SDL_MOUSEMOTION: 614 idle = 0; 615 handle_mousemotion(ev); 616 break; 617 case SDL_MOUSEBUTTONDOWN: 618 case SDL_MOUSEBUTTONUP: 619 idle = 0; 620 handle_mousebutton(ev); 621 break; 622 case SDL_MOUSEWHEEL: 623 idle = 0; 624 handle_mousewheel(ev); 625 break; 626 case SDL_WINDOWEVENT: 627 handle_windowevent(ev); 628 break; 629 default: 630 break; 631 } 632 } 633 634 if (idle) { 635 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { 636 scon->idle_counter++; 637 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { 638 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; 639 } 640 } 641 } else { 642 scon->idle_counter = 0; 643 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; 644 } 645 } 646 647 static void sdl_mouse_warp(DisplayChangeListener *dcl, 648 int x, int y, int on) 649 { 650 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl); 651 if (on) { 652 if (!guest_cursor) { 653 sdl_show_cursor(); 654 } 655 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { 656 SDL_SetCursor(guest_sprite); 657 if (!qemu_input_is_absolute() && !absolute_enabled) { 658 SDL_WarpMouseInWindow(scon->real_window, x, y); 659 } 660 } 661 } else if (gui_grab) { 662 sdl_hide_cursor(); 663 } 664 guest_cursor = on; 665 guest_x = x, guest_y = y; 666 } 667 668 static void sdl_mouse_define(DisplayChangeListener *dcl, 669 QEMUCursor *c) 670 { 671 672 if (guest_sprite) { 673 SDL_FreeCursor(guest_sprite); 674 } 675 676 if (guest_sprite_surface) { 677 SDL_FreeSurface(guest_sprite_surface); 678 } 679 680 guest_sprite_surface = 681 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, 682 0xff0000, 0x00ff00, 0xff, 0xff000000); 683 684 if (!guest_sprite_surface) { 685 fprintf(stderr, "Failed to make rgb surface from %p\n", c); 686 return; 687 } 688 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, 689 c->hot_x, c->hot_y); 690 if (!guest_sprite) { 691 fprintf(stderr, "Failed to make color cursor from %p\n", c); 692 return; 693 } 694 if (guest_cursor && 695 (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { 696 SDL_SetCursor(guest_sprite); 697 } 698 } 699 700 static void sdl_cleanup(void) 701 { 702 if (guest_sprite) { 703 SDL_FreeCursor(guest_sprite); 704 } 705 SDL_QuitSubSystem(SDL_INIT_VIDEO); 706 } 707 708 static const DisplayChangeListenerOps dcl_2d_ops = { 709 .dpy_name = "sdl2-2d", 710 .dpy_gfx_update = sdl2_2d_update, 711 .dpy_gfx_switch = sdl2_2d_switch, 712 .dpy_gfx_check_format = sdl2_2d_check_format, 713 .dpy_refresh = sdl2_2d_refresh, 714 .dpy_mouse_set = sdl_mouse_warp, 715 .dpy_cursor_define = sdl_mouse_define, 716 }; 717 718 #ifdef CONFIG_OPENGL 719 static const DisplayChangeListenerOps dcl_gl_ops = { 720 .dpy_name = "sdl2-gl", 721 .dpy_gfx_update = sdl2_gl_update, 722 .dpy_gfx_switch = sdl2_gl_switch, 723 .dpy_gfx_check_format = console_gl_check_format, 724 .dpy_refresh = sdl2_gl_refresh, 725 .dpy_mouse_set = sdl_mouse_warp, 726 .dpy_cursor_define = sdl_mouse_define, 727 728 .dpy_gl_ctx_create = sdl2_gl_create_context, 729 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context, 730 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current, 731 .dpy_gl_ctx_get_current = sdl2_gl_get_current_context, 732 .dpy_gl_scanout = sdl2_gl_scanout, 733 .dpy_gl_update = sdl2_gl_scanout_flush, 734 }; 735 #endif 736 737 void sdl_display_early_init(int opengl) 738 { 739 switch (opengl) { 740 case -1: /* default */ 741 case 0: /* off */ 742 break; 743 case 1: /* on */ 744 #ifdef CONFIG_OPENGL 745 display_opengl = 1; 746 #endif 747 break; 748 default: 749 g_assert_not_reached(); 750 break; 751 } 752 } 753 754 void sdl_display_init(DisplayState *ds, int full_screen, int no_frame) 755 { 756 int flags; 757 uint8_t data = 0; 758 char *filename; 759 int i; 760 761 if (no_frame) { 762 gui_noframe = 1; 763 } 764 765 #ifdef __linux__ 766 /* on Linux, SDL may use fbcon|directfb|svgalib when run without 767 * accessible $DISPLAY to open X11 window. This is often the case 768 * when qemu is run using sudo. But in this case, and when actually 769 * run in X11 environment, SDL fights with X11 for the video card, 770 * making current display unavailable, often until reboot. 771 * So make x11 the default SDL video driver if this variable is unset. 772 * This is a bit hackish but saves us from bigger problem. 773 * Maybe it's a good idea to fix this in SDL instead. 774 */ 775 setenv("SDL_VIDEODRIVER", "x11", 0); 776 #endif 777 778 flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; 779 if (SDL_Init(flags)) { 780 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", 781 SDL_GetError()); 782 exit(1); 783 } 784 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); 785 786 for (i = 0;; i++) { 787 QemuConsole *con = qemu_console_lookup_by_index(i); 788 if (!con) { 789 break; 790 } 791 } 792 sdl2_num_outputs = i; 793 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs); 794 for (i = 0; i < sdl2_num_outputs; i++) { 795 QemuConsole *con = qemu_console_lookup_by_index(i); 796 if (!qemu_console_is_graphic(con)) { 797 sdl2_console[i].hidden = true; 798 } 799 sdl2_console[i].idx = i; 800 #ifdef CONFIG_OPENGL 801 sdl2_console[i].opengl = display_opengl; 802 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops; 803 #else 804 sdl2_console[i].opengl = 0; 805 sdl2_console[i].dcl.ops = &dcl_2d_ops; 806 #endif 807 sdl2_console[i].dcl.con = con; 808 register_displaychangelistener(&sdl2_console[i].dcl); 809 } 810 811 /* Load a 32x32x4 image. White pixels are transparent. */ 812 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp"); 813 if (filename) { 814 SDL_Surface *image = SDL_LoadBMP(filename); 815 if (image) { 816 uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255); 817 SDL_SetColorKey(image, SDL_TRUE, colorkey); 818 SDL_SetWindowIcon(sdl2_console[0].real_window, image); 819 } 820 g_free(filename); 821 } 822 823 if (full_screen) { 824 gui_fullscreen = 1; 825 sdl_grab_start(0); 826 } 827 828 mouse_mode_notifier.notify = sdl_mouse_mode_change; 829 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); 830 831 gui_grab = 0; 832 833 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); 834 sdl_cursor_normal = SDL_GetCursor(); 835 836 atexit(sdl_cleanup); 837 } 838