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/module.h" 28 #include "qemu/cutils.h" 29 #include "ui/console.h" 30 #include "ui/input.h" 31 #include "ui/sdl2.h" 32 #include "system/runstate.h" 33 #include "system/runstate-action.h" 34 #include "system/system.h" 35 #include "qemu/log.h" 36 #include "qemu-main.h" 37 38 static int sdl2_num_outputs; 39 static struct sdl2_console *sdl2_console; 40 41 static SDL_Surface *guest_sprite_surface; 42 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ 43 static bool alt_grab; 44 static bool ctrl_grab; 45 46 static int gui_saved_grab; 47 static int gui_fullscreen; 48 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; 49 static SDL_Cursor *sdl_cursor_normal; 50 static SDL_Cursor *sdl_cursor_hidden; 51 static int absolute_enabled; 52 static bool guest_cursor; 53 static int guest_x, guest_y; 54 static SDL_Cursor *guest_sprite; 55 static Notifier mouse_mode_notifier; 56 57 #define SDL2_REFRESH_INTERVAL_BUSY 10 58 #define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \ 59 / SDL2_REFRESH_INTERVAL_BUSY + 1) 60 61 /* introduced in SDL 2.0.10 */ 62 #ifndef SDL_HINT_RENDER_BATCHING 63 #define SDL_HINT_RENDER_BATCHING "SDL_RENDER_BATCHING" 64 #endif 65 66 static void sdl_update_caption(struct sdl2_console *scon); 67 68 static struct sdl2_console *get_scon_from_window(uint32_t window_id) 69 { 70 int i; 71 for (i = 0; i < sdl2_num_outputs; i++) { 72 if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) { 73 return &sdl2_console[i]; 74 } 75 } 76 return NULL; 77 } 78 79 void sdl2_window_create(struct sdl2_console *scon) 80 { 81 int flags = 0; 82 83 if (!scon->surface) { 84 return; 85 } 86 assert(!scon->real_window); 87 88 if (gui_fullscreen) { 89 flags |= SDL_WINDOW_FULLSCREEN_DESKTOP; 90 } else { 91 flags |= SDL_WINDOW_RESIZABLE; 92 } 93 if (scon->hidden) { 94 flags |= SDL_WINDOW_HIDDEN; 95 } 96 #ifdef CONFIG_OPENGL 97 if (scon->opengl) { 98 flags |= SDL_WINDOW_OPENGL; 99 } 100 #endif 101 102 scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, 103 SDL_WINDOWPOS_UNDEFINED, 104 surface_width(scon->surface), 105 surface_height(scon->surface), 106 flags); 107 if (scon->opengl) { 108 const char *driver = "opengl"; 109 110 if (scon->opts->gl == DISPLAY_GL_MODE_ES) { 111 driver = "opengles2"; 112 } 113 114 SDL_SetHint(SDL_HINT_RENDER_DRIVER, driver); 115 SDL_SetHint(SDL_HINT_RENDER_BATCHING, "1"); 116 117 scon->winctx = SDL_GL_CreateContext(scon->real_window); 118 SDL_GL_SetSwapInterval(0); 119 } else { 120 /* The SDL renderer is only used by sdl2-2D, when OpenGL is disabled */ 121 scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0); 122 } 123 sdl_update_caption(scon); 124 } 125 126 void sdl2_window_destroy(struct sdl2_console *scon) 127 { 128 if (!scon->real_window) { 129 return; 130 } 131 132 if (scon->winctx) { 133 SDL_GL_DeleteContext(scon->winctx); 134 scon->winctx = NULL; 135 } 136 if (scon->real_renderer) { 137 SDL_DestroyRenderer(scon->real_renderer); 138 scon->real_renderer = NULL; 139 } 140 SDL_DestroyWindow(scon->real_window); 141 scon->real_window = NULL; 142 } 143 144 void sdl2_window_resize(struct sdl2_console *scon) 145 { 146 if (!scon->real_window) { 147 return; 148 } 149 150 SDL_SetWindowSize(scon->real_window, 151 surface_width(scon->surface), 152 surface_height(scon->surface)); 153 } 154 155 static void sdl2_redraw(struct sdl2_console *scon) 156 { 157 if (scon->opengl) { 158 #ifdef CONFIG_OPENGL 159 sdl2_gl_redraw(scon); 160 #endif 161 } else { 162 sdl2_2d_redraw(scon); 163 } 164 } 165 166 static void sdl_update_caption(struct sdl2_console *scon) 167 { 168 char win_title[1024]; 169 char icon_title[1024]; 170 const char *status = ""; 171 172 if (!runstate_is_running()) { 173 status = " [Stopped]"; 174 } else if (gui_grab) { 175 if (alt_grab) { 176 #ifdef CONFIG_DARWIN 177 status = " - Press ⌃⌥⇧G to exit grab"; 178 #else 179 status = " - Press Ctrl-Alt-Shift-G to exit grab"; 180 #endif 181 } else if (ctrl_grab) { 182 status = " - Press Right-Ctrl-G to exit grab"; 183 } else { 184 #ifdef CONFIG_DARWIN 185 status = " - Press ⌃⌥G to exit grab"; 186 #else 187 status = " - Press Ctrl-Alt-G to exit grab"; 188 #endif 189 } 190 } 191 192 if (qemu_name) { 193 snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name, 194 scon->idx, status); 195 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); 196 } else { 197 snprintf(win_title, sizeof(win_title), "QEMU%s", status); 198 snprintf(icon_title, sizeof(icon_title), "QEMU"); 199 } 200 201 if (scon->real_window) { 202 SDL_SetWindowTitle(scon->real_window, win_title); 203 } 204 } 205 206 static void sdl_hide_cursor(struct sdl2_console *scon) 207 { 208 if (scon->opts->has_show_cursor && scon->opts->show_cursor) { 209 return; 210 } 211 212 SDL_ShowCursor(SDL_DISABLE); 213 SDL_SetCursor(sdl_cursor_hidden); 214 215 if (!qemu_input_is_absolute(scon->dcl.con)) { 216 SDL_SetRelativeMouseMode(SDL_TRUE); 217 } 218 } 219 220 static void sdl_show_cursor(struct sdl2_console *scon) 221 { 222 if (scon->opts->has_show_cursor && scon->opts->show_cursor) { 223 return; 224 } 225 226 if (!qemu_input_is_absolute(scon->dcl.con)) { 227 SDL_SetRelativeMouseMode(SDL_FALSE); 228 } 229 230 if (guest_cursor && 231 (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) { 232 SDL_SetCursor(guest_sprite); 233 } else { 234 SDL_SetCursor(sdl_cursor_normal); 235 } 236 237 SDL_ShowCursor(SDL_ENABLE); 238 } 239 240 static void sdl_grab_start(struct sdl2_console *scon) 241 { 242 QemuConsole *con = scon ? scon->dcl.con : NULL; 243 244 if (!con || !qemu_console_is_graphic(con)) { 245 return; 246 } 247 /* 248 * If the application is not active, do not try to enter grab state. This 249 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the 250 * application (SDL bug). 251 */ 252 if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) { 253 return; 254 } 255 if (guest_cursor) { 256 SDL_SetCursor(guest_sprite); 257 if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) { 258 SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y); 259 } 260 } else { 261 sdl_hide_cursor(scon); 262 } 263 SDL_SetWindowGrab(scon->real_window, SDL_TRUE); 264 gui_grab = 1; 265 sdl_update_caption(scon); 266 } 267 268 static void sdl_grab_end(struct sdl2_console *scon) 269 { 270 SDL_SetWindowGrab(scon->real_window, SDL_FALSE); 271 gui_grab = 0; 272 sdl_show_cursor(scon); 273 sdl_update_caption(scon); 274 } 275 276 static void absolute_mouse_grab(struct sdl2_console *scon) 277 { 278 int mouse_x, mouse_y; 279 int scr_w, scr_h; 280 SDL_GetMouseState(&mouse_x, &mouse_y); 281 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 282 if (mouse_x > 0 && mouse_x < scr_w - 1 && 283 mouse_y > 0 && mouse_y < scr_h - 1) { 284 sdl_grab_start(scon); 285 } 286 } 287 288 static void sdl_mouse_mode_change(Notifier *notify, void *data) 289 { 290 if (qemu_input_is_absolute(sdl2_console[0].dcl.con)) { 291 if (!absolute_enabled) { 292 absolute_enabled = 1; 293 SDL_SetRelativeMouseMode(SDL_FALSE); 294 absolute_mouse_grab(&sdl2_console[0]); 295 } 296 } else if (absolute_enabled) { 297 if (!gui_fullscreen) { 298 sdl_grab_end(&sdl2_console[0]); 299 } 300 absolute_enabled = 0; 301 } 302 } 303 304 static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, 305 int x, int y, int state) 306 { 307 static uint32_t bmap[INPUT_BUTTON__MAX] = { 308 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT), 309 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE), 310 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT), 311 [INPUT_BUTTON_SIDE] = SDL_BUTTON(SDL_BUTTON_X1), 312 [INPUT_BUTTON_EXTRA] = SDL_BUTTON(SDL_BUTTON_X2) 313 }; 314 static uint32_t prev_state; 315 316 if (prev_state != state) { 317 qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state); 318 prev_state = state; 319 } 320 321 if (qemu_input_is_absolute(scon->dcl.con)) { 322 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, 323 x, 0, surface_width(scon->surface)); 324 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, 325 y, 0, surface_height(scon->surface)); 326 } else { 327 if (guest_cursor) { 328 x -= guest_x; 329 y -= guest_y; 330 guest_x += x; 331 guest_y += y; 332 dx = x; 333 dy = y; 334 } 335 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx); 336 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy); 337 } 338 qemu_input_event_sync(); 339 } 340 341 static void toggle_full_screen(struct sdl2_console *scon) 342 { 343 gui_fullscreen = !gui_fullscreen; 344 if (gui_fullscreen) { 345 SDL_SetWindowFullscreen(scon->real_window, 346 SDL_WINDOW_FULLSCREEN_DESKTOP); 347 gui_saved_grab = gui_grab; 348 sdl_grab_start(scon); 349 } else { 350 if (!gui_saved_grab) { 351 sdl_grab_end(scon); 352 } 353 SDL_SetWindowFullscreen(scon->real_window, 0); 354 } 355 sdl2_redraw(scon); 356 } 357 358 static int get_mod_state(void) 359 { 360 SDL_Keymod mod = SDL_GetModState(); 361 362 if (alt_grab) { 363 return (mod & (gui_grab_code | KMOD_LSHIFT)) == 364 (gui_grab_code | KMOD_LSHIFT); 365 } else if (ctrl_grab) { 366 return (mod & KMOD_RCTRL) == KMOD_RCTRL; 367 } else { 368 return (mod & gui_grab_code) == gui_grab_code; 369 } 370 } 371 372 static void handle_keydown(SDL_Event *ev) 373 { 374 int win; 375 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 376 int gui_key_modifier_pressed = get_mod_state(); 377 378 if (!scon) { 379 return; 380 } 381 382 scon->gui_keysym = false; 383 384 if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) { 385 switch (ev->key.keysym.scancode) { 386 case SDL_SCANCODE_2: 387 case SDL_SCANCODE_3: 388 case SDL_SCANCODE_4: 389 case SDL_SCANCODE_5: 390 case SDL_SCANCODE_6: 391 case SDL_SCANCODE_7: 392 case SDL_SCANCODE_8: 393 case SDL_SCANCODE_9: 394 if (gui_grab) { 395 sdl_grab_end(scon); 396 } 397 398 win = ev->key.keysym.scancode - SDL_SCANCODE_1; 399 if (win < sdl2_num_outputs) { 400 sdl2_console[win].hidden = !sdl2_console[win].hidden; 401 if (sdl2_console[win].real_window) { 402 if (sdl2_console[win].hidden) { 403 SDL_HideWindow(sdl2_console[win].real_window); 404 } else { 405 SDL_ShowWindow(sdl2_console[win].real_window); 406 } 407 } 408 sdl2_release_modifiers(scon); 409 scon->gui_keysym = true; 410 } 411 break; 412 case SDL_SCANCODE_F: 413 toggle_full_screen(scon); 414 scon->gui_keysym = true; 415 break; 416 case SDL_SCANCODE_G: 417 scon->gui_keysym = true; 418 if (!gui_grab) { 419 sdl_grab_start(scon); 420 } else if (!gui_fullscreen) { 421 sdl_grab_end(scon); 422 } 423 break; 424 case SDL_SCANCODE_U: 425 sdl2_window_resize(scon); 426 if (!scon->opengl) { 427 /* re-create scon->texture */ 428 sdl2_2d_switch(&scon->dcl, scon->surface); 429 } 430 scon->gui_keysym = true; 431 break; 432 #if 0 433 case SDL_SCANCODE_KP_PLUS: 434 case SDL_SCANCODE_KP_MINUS: 435 if (!gui_fullscreen) { 436 int scr_w, scr_h; 437 int width, height; 438 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 439 440 width = MAX(scr_w + (ev->key.keysym.scancode == 441 SDL_SCANCODE_KP_PLUS ? 50 : -50), 442 160); 443 height = (surface_height(scon->surface) * width) / 444 surface_width(scon->surface); 445 fprintf(stderr, "%s: scale to %dx%d\n", 446 __func__, width, height); 447 sdl_scale(scon, width, height); 448 sdl2_redraw(scon); 449 scon->gui_keysym = true; 450 } 451 #endif 452 default: 453 break; 454 } 455 } 456 if (!scon->gui_keysym) { 457 sdl2_process_key(scon, &ev->key); 458 } 459 } 460 461 static void handle_keyup(SDL_Event *ev) 462 { 463 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 464 465 if (!scon) { 466 return; 467 } 468 469 scon->ignore_hotkeys = false; 470 sdl2_process_key(scon, &ev->key); 471 } 472 473 static void handle_textinput(SDL_Event *ev) 474 { 475 struct sdl2_console *scon = get_scon_from_window(ev->text.windowID); 476 QemuConsole *con = scon ? scon->dcl.con : NULL; 477 478 if (!con) { 479 return; 480 } 481 482 if (!scon->gui_keysym && QEMU_IS_TEXT_CONSOLE(con)) { 483 qemu_text_console_put_string(QEMU_TEXT_CONSOLE(con), ev->text.text, strlen(ev->text.text)); 484 } 485 } 486 487 static void handle_mousemotion(SDL_Event *ev) 488 { 489 int max_x, max_y; 490 struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID); 491 492 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 493 return; 494 } 495 496 if (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 497 int scr_w, scr_h; 498 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 499 max_x = scr_w - 1; 500 max_y = scr_h - 1; 501 if (gui_grab && !gui_fullscreen 502 && (ev->motion.x == 0 || ev->motion.y == 0 || 503 ev->motion.x == max_x || ev->motion.y == max_y)) { 504 sdl_grab_end(scon); 505 } 506 if (!gui_grab && 507 (ev->motion.x > 0 && ev->motion.x < max_x && 508 ev->motion.y > 0 && ev->motion.y < max_y)) { 509 sdl_grab_start(scon); 510 } 511 } 512 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 513 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, 514 ev->motion.x, ev->motion.y, ev->motion.state); 515 } 516 } 517 518 static void handle_mousebutton(SDL_Event *ev) 519 { 520 int buttonstate = SDL_GetMouseState(NULL, NULL); 521 SDL_MouseButtonEvent *bev; 522 struct sdl2_console *scon = get_scon_from_window(ev->button.windowID); 523 524 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 525 return; 526 } 527 528 bev = &ev->button; 529 if (!gui_grab && !qemu_input_is_absolute(scon->dcl.con)) { 530 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { 531 /* start grabbing all events */ 532 sdl_grab_start(scon); 533 } 534 } else { 535 if (ev->type == SDL_MOUSEBUTTONDOWN) { 536 buttonstate |= SDL_BUTTON(bev->button); 537 } else { 538 buttonstate &= ~SDL_BUTTON(bev->button); 539 } 540 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); 541 } 542 } 543 544 static void handle_mousewheel(SDL_Event *ev) 545 { 546 struct sdl2_console *scon = get_scon_from_window(ev->wheel.windowID); 547 SDL_MouseWheelEvent *wev = &ev->wheel; 548 InputButton btn; 549 550 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 551 return; 552 } 553 554 if (wev->y > 0) { 555 btn = INPUT_BUTTON_WHEEL_UP; 556 } else if (wev->y < 0) { 557 btn = INPUT_BUTTON_WHEEL_DOWN; 558 } else if (wev->x < 0) { 559 btn = INPUT_BUTTON_WHEEL_RIGHT; 560 } else if (wev->x > 0) { 561 btn = INPUT_BUTTON_WHEEL_LEFT; 562 } else { 563 return; 564 } 565 566 qemu_input_queue_btn(scon->dcl.con, btn, true); 567 qemu_input_event_sync(); 568 qemu_input_queue_btn(scon->dcl.con, btn, false); 569 qemu_input_event_sync(); 570 } 571 572 static void handle_windowevent(SDL_Event *ev) 573 { 574 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID); 575 bool allow_close = true; 576 577 if (!scon) { 578 return; 579 } 580 581 switch (ev->window.event) { 582 case SDL_WINDOWEVENT_RESIZED: 583 { 584 QemuUIInfo info; 585 memset(&info, 0, sizeof(info)); 586 info.width = ev->window.data1; 587 info.height = ev->window.data2; 588 dpy_set_ui_info(scon->dcl.con, &info, true); 589 } 590 sdl2_redraw(scon); 591 break; 592 case SDL_WINDOWEVENT_EXPOSED: 593 sdl2_redraw(scon); 594 break; 595 case SDL_WINDOWEVENT_FOCUS_GAINED: 596 /* fall through */ 597 case SDL_WINDOWEVENT_ENTER: 598 if (!gui_grab && (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) { 599 absolute_mouse_grab(scon); 600 } 601 /* If a new console window opened using a hotkey receives the 602 * focus, SDL sends another KEYDOWN event to the new window, 603 * closing the console window immediately after. 604 * 605 * Work around this by ignoring further hotkey events until a 606 * key is released. 607 */ 608 scon->ignore_hotkeys = get_mod_state(); 609 break; 610 case SDL_WINDOWEVENT_FOCUS_LOST: 611 if (gui_grab && !gui_fullscreen) { 612 sdl_grab_end(scon); 613 } 614 break; 615 case SDL_WINDOWEVENT_RESTORED: 616 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT); 617 break; 618 case SDL_WINDOWEVENT_MINIMIZED: 619 update_displaychangelistener(&scon->dcl, 500); 620 break; 621 case SDL_WINDOWEVENT_CLOSE: 622 if (qemu_console_is_graphic(scon->dcl.con)) { 623 if (scon->opts->has_window_close && !scon->opts->window_close) { 624 allow_close = false; 625 } 626 if (allow_close) { 627 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 628 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 629 } 630 } else { 631 SDL_HideWindow(scon->real_window); 632 scon->hidden = true; 633 } 634 break; 635 case SDL_WINDOWEVENT_SHOWN: 636 scon->hidden = false; 637 break; 638 case SDL_WINDOWEVENT_HIDDEN: 639 scon->hidden = true; 640 break; 641 } 642 } 643 644 void sdl2_poll_events(struct sdl2_console *scon) 645 { 646 SDL_Event ev1, *ev = &ev1; 647 bool allow_close = true; 648 int idle = 1; 649 650 if (scon->last_vm_running != runstate_is_running()) { 651 scon->last_vm_running = runstate_is_running(); 652 sdl_update_caption(scon); 653 } 654 655 while (SDL_PollEvent(ev)) { 656 switch (ev->type) { 657 case SDL_KEYDOWN: 658 idle = 0; 659 handle_keydown(ev); 660 break; 661 case SDL_KEYUP: 662 idle = 0; 663 handle_keyup(ev); 664 break; 665 case SDL_TEXTINPUT: 666 idle = 0; 667 handle_textinput(ev); 668 break; 669 case SDL_QUIT: 670 if (scon->opts->has_window_close && !scon->opts->window_close) { 671 allow_close = false; 672 } 673 if (allow_close) { 674 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 675 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 676 } 677 break; 678 case SDL_MOUSEMOTION: 679 idle = 0; 680 handle_mousemotion(ev); 681 break; 682 case SDL_MOUSEBUTTONDOWN: 683 case SDL_MOUSEBUTTONUP: 684 idle = 0; 685 handle_mousebutton(ev); 686 break; 687 case SDL_MOUSEWHEEL: 688 idle = 0; 689 handle_mousewheel(ev); 690 break; 691 case SDL_WINDOWEVENT: 692 handle_windowevent(ev); 693 break; 694 default: 695 break; 696 } 697 } 698 699 if (idle) { 700 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { 701 scon->idle_counter++; 702 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { 703 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; 704 } 705 } 706 } else { 707 scon->idle_counter = 0; 708 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; 709 } 710 } 711 712 static void sdl_mouse_warp(DisplayChangeListener *dcl, 713 int x, int y, bool on) 714 { 715 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl); 716 717 if (!qemu_console_is_graphic(scon->dcl.con)) { 718 return; 719 } 720 721 if (on) { 722 if (!guest_cursor) { 723 sdl_show_cursor(scon); 724 } 725 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 726 SDL_SetCursor(guest_sprite); 727 if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) { 728 SDL_WarpMouseInWindow(scon->real_window, x, y); 729 } 730 } 731 } else if (gui_grab) { 732 sdl_hide_cursor(scon); 733 } 734 guest_cursor = on; 735 guest_x = x, guest_y = y; 736 } 737 738 static void sdl_mouse_define(DisplayChangeListener *dcl, 739 QEMUCursor *c) 740 { 741 742 if (guest_sprite) { 743 SDL_FreeCursor(guest_sprite); 744 } 745 746 if (guest_sprite_surface) { 747 SDL_FreeSurface(guest_sprite_surface); 748 } 749 750 guest_sprite_surface = 751 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, 752 0xff0000, 0x00ff00, 0xff, 0xff000000); 753 754 if (!guest_sprite_surface) { 755 fprintf(stderr, "Failed to make rgb surface from %p\n", c); 756 return; 757 } 758 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, 759 c->hot_x, c->hot_y); 760 if (!guest_sprite) { 761 fprintf(stderr, "Failed to make color cursor from %p\n", c); 762 return; 763 } 764 if (guest_cursor && 765 (gui_grab || qemu_input_is_absolute(dcl->con) || absolute_enabled)) { 766 SDL_SetCursor(guest_sprite); 767 } 768 } 769 770 static void sdl_cleanup(void) 771 { 772 if (guest_sprite) { 773 SDL_FreeCursor(guest_sprite); 774 } 775 SDL_QuitSubSystem(SDL_INIT_VIDEO); 776 } 777 778 static const DisplayChangeListenerOps dcl_2d_ops = { 779 .dpy_name = "sdl2-2d", 780 .dpy_gfx_update = sdl2_2d_update, 781 .dpy_gfx_switch = sdl2_2d_switch, 782 .dpy_gfx_check_format = sdl2_2d_check_format, 783 .dpy_refresh = sdl2_2d_refresh, 784 .dpy_mouse_set = sdl_mouse_warp, 785 .dpy_cursor_define = sdl_mouse_define, 786 }; 787 788 #ifdef CONFIG_OPENGL 789 static const DisplayChangeListenerOps dcl_gl_ops = { 790 .dpy_name = "sdl2-gl", 791 .dpy_gfx_update = sdl2_gl_update, 792 .dpy_gfx_switch = sdl2_gl_switch, 793 .dpy_gfx_check_format = console_gl_check_format, 794 .dpy_refresh = sdl2_gl_refresh, 795 .dpy_mouse_set = sdl_mouse_warp, 796 .dpy_cursor_define = sdl_mouse_define, 797 798 .dpy_gl_scanout_disable = sdl2_gl_scanout_disable, 799 .dpy_gl_scanout_texture = sdl2_gl_scanout_texture, 800 .dpy_gl_update = sdl2_gl_scanout_flush, 801 }; 802 803 static bool 804 sdl2_gl_is_compatible_dcl(DisplayGLCtx *dgc, 805 DisplayChangeListener *dcl) 806 { 807 return dcl->ops == &dcl_gl_ops; 808 } 809 810 static const DisplayGLCtxOps gl_ctx_ops = { 811 .dpy_gl_ctx_is_compatible_dcl = sdl2_gl_is_compatible_dcl, 812 .dpy_gl_ctx_create = sdl2_gl_create_context, 813 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context, 814 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current, 815 }; 816 #endif 817 818 static void sdl2_display_early_init(DisplayOptions *o) 819 { 820 assert(o->type == DISPLAY_TYPE_SDL); 821 if (o->has_gl && o->gl) { 822 #ifdef CONFIG_OPENGL 823 display_opengl = 1; 824 #endif 825 } 826 } 827 828 static void sdl2_display_init(DisplayState *ds, DisplayOptions *o) 829 { 830 uint8_t data = 0; 831 int i; 832 SDL_SysWMinfo info; 833 SDL_Surface *icon = NULL; 834 char *dir; 835 836 assert(o->type == DISPLAY_TYPE_SDL); 837 838 if (SDL_GetHintBoolean("QEMU_ENABLE_SDL_LOGGING", SDL_FALSE)) { 839 SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE); 840 } 841 842 if (SDL_Init(SDL_INIT_VIDEO)) { 843 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", 844 SDL_GetError()); 845 exit(1); 846 } 847 #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */ 848 SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); 849 #endif 850 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); 851 #ifdef SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED 852 SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0"); 853 #endif 854 SDL_SetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, "1"); 855 SDL_EnableScreenSaver(); 856 memset(&info, 0, sizeof(info)); 857 SDL_VERSION(&info.version); 858 859 gui_fullscreen = o->has_full_screen && o->full_screen; 860 861 if (o->u.sdl.has_grab_mod) { 862 if (o->u.sdl.grab_mod == HOT_KEY_MOD_LSHIFT_LCTRL_LALT) { 863 alt_grab = true; 864 } else if (o->u.sdl.grab_mod == HOT_KEY_MOD_RCTRL) { 865 ctrl_grab = true; 866 } 867 } 868 869 for (i = 0;; i++) { 870 QemuConsole *con = qemu_console_lookup_by_index(i); 871 if (!con) { 872 break; 873 } 874 } 875 sdl2_num_outputs = i; 876 if (sdl2_num_outputs == 0) { 877 return; 878 } 879 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs); 880 for (i = 0; i < sdl2_num_outputs; i++) { 881 QemuConsole *con = qemu_console_lookup_by_index(i); 882 assert(con != NULL); 883 if (!qemu_console_is_graphic(con) && 884 qemu_console_get_index(con) != 0) { 885 sdl2_console[i].hidden = true; 886 } 887 sdl2_console[i].idx = i; 888 sdl2_console[i].opts = o; 889 #ifdef CONFIG_OPENGL 890 sdl2_console[i].opengl = display_opengl; 891 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops; 892 sdl2_console[i].dgc.ops = display_opengl ? &gl_ctx_ops : NULL; 893 #else 894 sdl2_console[i].opengl = 0; 895 sdl2_console[i].dcl.ops = &dcl_2d_ops; 896 #endif 897 sdl2_console[i].dcl.con = con; 898 sdl2_console[i].kbd = qkbd_state_init(con); 899 if (display_opengl) { 900 qemu_console_set_display_gl_ctx(con, &sdl2_console[i].dgc); 901 } 902 register_displaychangelistener(&sdl2_console[i].dcl); 903 904 #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11) 905 if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) { 906 #if defined(SDL_VIDEO_DRIVER_WINDOWS) 907 qemu_console_set_window_id(con, (uintptr_t)info.info.win.window); 908 #elif defined(SDL_VIDEO_DRIVER_X11) 909 qemu_console_set_window_id(con, info.info.x11.window); 910 #endif 911 } 912 #endif 913 } 914 915 #ifdef CONFIG_SDL_IMAGE 916 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/128x128/apps/qemu.png"); 917 icon = IMG_Load(dir); 918 #else 919 /* Load a 32x32x4 image. White pixels are transparent. */ 920 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/32x32/apps/qemu.bmp"); 921 icon = SDL_LoadBMP(dir); 922 if (icon) { 923 uint32_t colorkey = SDL_MapRGB(icon->format, 255, 255, 255); 924 SDL_SetColorKey(icon, SDL_TRUE, colorkey); 925 } 926 #endif 927 g_free(dir); 928 if (icon) { 929 SDL_SetWindowIcon(sdl2_console[0].real_window, icon); 930 } 931 932 mouse_mode_notifier.notify = sdl_mouse_mode_change; 933 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); 934 935 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); 936 sdl_cursor_normal = SDL_GetCursor(); 937 938 if (gui_fullscreen) { 939 sdl_grab_start(&sdl2_console[0]); 940 } 941 942 atexit(sdl_cleanup); 943 944 /* SDL's event polling (in dpy_refresh) must happen on the main thread. */ 945 qemu_main = NULL; 946 } 947 948 static QemuDisplay qemu_display_sdl2 = { 949 .type = DISPLAY_TYPE_SDL, 950 .early_init = sdl2_display_early_init, 951 .init = sdl2_display_init, 952 }; 953 954 static void register_sdl1(void) 955 { 956 qemu_display_register(&qemu_display_sdl2); 957 } 958 959 type_init(register_sdl1); 960 961 #ifdef CONFIG_OPENGL 962 module_dep("ui-opengl"); 963 #endif 964
