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 "sysemu/runstate.h" 33 #include "sysemu/runstate-action.h" 34 #include "sysemu/sysemu.h" 35 #include "ui/win32-kbd-hook.h" 36 #include "qemu/log.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 int 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 == DISPLAYGL_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->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0); 118 119 if (scon->opengl) { 120 scon->winctx = SDL_GL_CreateContext(scon->real_window); 121 } 122 sdl_update_caption(scon); 123 } 124 125 void sdl2_window_destroy(struct sdl2_console *scon) 126 { 127 if (!scon->real_window) { 128 return; 129 } 130 131 SDL_GL_DeleteContext(scon->winctx); 132 scon->winctx = NULL; 133 SDL_DestroyRenderer(scon->real_renderer); 134 scon->real_renderer = NULL; 135 SDL_DestroyWindow(scon->real_window); 136 scon->real_window = NULL; 137 } 138 139 void sdl2_window_resize(struct sdl2_console *scon) 140 { 141 if (!scon->real_window) { 142 return; 143 } 144 145 SDL_SetWindowSize(scon->real_window, 146 surface_width(scon->surface), 147 surface_height(scon->surface)); 148 } 149 150 static void sdl2_redraw(struct sdl2_console *scon) 151 { 152 if (scon->opengl) { 153 #ifdef CONFIG_OPENGL 154 sdl2_gl_redraw(scon); 155 #endif 156 } else { 157 sdl2_2d_redraw(scon); 158 } 159 } 160 161 static void sdl_update_caption(struct sdl2_console *scon) 162 { 163 char win_title[1024]; 164 char icon_title[1024]; 165 const char *status = ""; 166 167 if (!runstate_is_running()) { 168 status = " [Stopped]"; 169 } else if (gui_grab) { 170 if (alt_grab) { 171 status = " - Press Ctrl-Alt-Shift-G to exit grab"; 172 } else if (ctrl_grab) { 173 status = " - Press Right-Ctrl-G to exit grab"; 174 } else { 175 status = " - Press Ctrl-Alt-G to exit grab"; 176 } 177 } 178 179 if (qemu_name) { 180 snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name, 181 scon->idx, status); 182 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); 183 } else { 184 snprintf(win_title, sizeof(win_title), "QEMU%s", status); 185 snprintf(icon_title, sizeof(icon_title), "QEMU"); 186 } 187 188 if (scon->real_window) { 189 SDL_SetWindowTitle(scon->real_window, win_title); 190 } 191 } 192 193 static void sdl_hide_cursor(struct sdl2_console *scon) 194 { 195 if (scon->opts->has_show_cursor && scon->opts->show_cursor) { 196 return; 197 } 198 199 SDL_ShowCursor(SDL_DISABLE); 200 SDL_SetCursor(sdl_cursor_hidden); 201 202 if (!qemu_input_is_absolute()) { 203 SDL_SetRelativeMouseMode(SDL_TRUE); 204 } 205 } 206 207 static void sdl_show_cursor(struct sdl2_console *scon) 208 { 209 if (scon->opts->has_show_cursor && scon->opts->show_cursor) { 210 return; 211 } 212 213 if (!qemu_input_is_absolute()) { 214 SDL_SetRelativeMouseMode(SDL_FALSE); 215 } 216 217 if (guest_cursor && 218 (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { 219 SDL_SetCursor(guest_sprite); 220 } else { 221 SDL_SetCursor(sdl_cursor_normal); 222 } 223 224 SDL_ShowCursor(SDL_ENABLE); 225 } 226 227 static void sdl_grab_start(struct sdl2_console *scon) 228 { 229 QemuConsole *con = scon ? scon->dcl.con : NULL; 230 231 if (!con || !qemu_console_is_graphic(con)) { 232 return; 233 } 234 /* 235 * If the application is not active, do not try to enter grab state. This 236 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the 237 * application (SDL bug). 238 */ 239 if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) { 240 return; 241 } 242 if (guest_cursor) { 243 SDL_SetCursor(guest_sprite); 244 if (!qemu_input_is_absolute() && !absolute_enabled) { 245 SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y); 246 } 247 } else { 248 sdl_hide_cursor(scon); 249 } 250 SDL_SetWindowGrab(scon->real_window, SDL_TRUE); 251 gui_grab = 1; 252 win32_kbd_set_grab(true); 253 sdl_update_caption(scon); 254 } 255 256 static void sdl_grab_end(struct sdl2_console *scon) 257 { 258 SDL_SetWindowGrab(scon->real_window, SDL_FALSE); 259 gui_grab = 0; 260 win32_kbd_set_grab(false); 261 sdl_show_cursor(scon); 262 sdl_update_caption(scon); 263 } 264 265 static void absolute_mouse_grab(struct sdl2_console *scon) 266 { 267 int mouse_x, mouse_y; 268 int scr_w, scr_h; 269 SDL_GetMouseState(&mouse_x, &mouse_y); 270 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 271 if (mouse_x > 0 && mouse_x < scr_w - 1 && 272 mouse_y > 0 && mouse_y < scr_h - 1) { 273 sdl_grab_start(scon); 274 } 275 } 276 277 static void sdl_mouse_mode_change(Notifier *notify, void *data) 278 { 279 if (qemu_input_is_absolute()) { 280 if (!absolute_enabled) { 281 absolute_enabled = 1; 282 SDL_SetRelativeMouseMode(SDL_FALSE); 283 absolute_mouse_grab(&sdl2_console[0]); 284 } 285 } else if (absolute_enabled) { 286 if (!gui_fullscreen) { 287 sdl_grab_end(&sdl2_console[0]); 288 } 289 absolute_enabled = 0; 290 } 291 } 292 293 static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, 294 int x, int y, int state) 295 { 296 static uint32_t bmap[INPUT_BUTTON__MAX] = { 297 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT), 298 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE), 299 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT), 300 [INPUT_BUTTON_SIDE] = SDL_BUTTON(SDL_BUTTON_X1), 301 [INPUT_BUTTON_EXTRA] = SDL_BUTTON(SDL_BUTTON_X2) 302 }; 303 static uint32_t prev_state; 304 305 if (prev_state != state) { 306 qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state); 307 prev_state = state; 308 } 309 310 if (qemu_input_is_absolute()) { 311 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, 312 x, 0, surface_width(scon->surface)); 313 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, 314 y, 0, surface_height(scon->surface)); 315 } else { 316 if (guest_cursor) { 317 x -= guest_x; 318 y -= guest_y; 319 guest_x += x; 320 guest_y += y; 321 dx = x; 322 dy = y; 323 } 324 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx); 325 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy); 326 } 327 qemu_input_event_sync(); 328 } 329 330 static void toggle_full_screen(struct sdl2_console *scon) 331 { 332 gui_fullscreen = !gui_fullscreen; 333 if (gui_fullscreen) { 334 SDL_SetWindowFullscreen(scon->real_window, 335 SDL_WINDOW_FULLSCREEN_DESKTOP); 336 gui_saved_grab = gui_grab; 337 sdl_grab_start(scon); 338 } else { 339 if (!gui_saved_grab) { 340 sdl_grab_end(scon); 341 } 342 SDL_SetWindowFullscreen(scon->real_window, 0); 343 } 344 sdl2_redraw(scon); 345 } 346 347 static int get_mod_state(void) 348 { 349 SDL_Keymod mod = SDL_GetModState(); 350 351 if (alt_grab) { 352 return (mod & (gui_grab_code | KMOD_LSHIFT)) == 353 (gui_grab_code | KMOD_LSHIFT); 354 } else if (ctrl_grab) { 355 return (mod & KMOD_RCTRL) == KMOD_RCTRL; 356 } else { 357 return (mod & gui_grab_code) == gui_grab_code; 358 } 359 } 360 361 static void *sdl2_win32_get_hwnd(struct sdl2_console *scon) 362 { 363 #ifdef CONFIG_WIN32 364 SDL_SysWMinfo info; 365 366 SDL_VERSION(&info.version); 367 if (SDL_GetWindowWMInfo(scon->real_window, &info)) { 368 return info.info.win.window; 369 } 370 #endif 371 return NULL; 372 } 373 374 static void handle_keydown(SDL_Event *ev) 375 { 376 int win; 377 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 378 int gui_key_modifier_pressed = get_mod_state(); 379 int gui_keysym = 0; 380 381 if (!scon) { 382 return; 383 } 384 385 if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) { 386 switch (ev->key.keysym.scancode) { 387 case SDL_SCANCODE_2: 388 case SDL_SCANCODE_3: 389 case SDL_SCANCODE_4: 390 case SDL_SCANCODE_5: 391 case SDL_SCANCODE_6: 392 case SDL_SCANCODE_7: 393 case SDL_SCANCODE_8: 394 case SDL_SCANCODE_9: 395 if (gui_grab) { 396 sdl_grab_end(scon); 397 } 398 399 win = ev->key.keysym.scancode - SDL_SCANCODE_1; 400 if (win < sdl2_num_outputs) { 401 sdl2_console[win].hidden = !sdl2_console[win].hidden; 402 if (sdl2_console[win].real_window) { 403 if (sdl2_console[win].hidden) { 404 SDL_HideWindow(sdl2_console[win].real_window); 405 } else { 406 SDL_ShowWindow(sdl2_console[win].real_window); 407 } 408 } 409 gui_keysym = 1; 410 } 411 break; 412 case SDL_SCANCODE_F: 413 toggle_full_screen(scon); 414 gui_keysym = 1; 415 break; 416 case SDL_SCANCODE_G: 417 gui_keysym = 1; 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 gui_keysym = 1; 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 gui_keysym = 1; 450 } 451 #endif 452 default: 453 break; 454 } 455 } 456 if (!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 (qemu_console_is_graphic(con)) { 483 return; 484 } 485 kbd_put_string_console(con, ev->text.text, strlen(ev->text.text)); 486 } 487 488 static void handle_mousemotion(SDL_Event *ev) 489 { 490 int max_x, max_y; 491 struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID); 492 493 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 494 return; 495 } 496 497 if (qemu_input_is_absolute() || absolute_enabled) { 498 int scr_w, scr_h; 499 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 500 max_x = scr_w - 1; 501 max_y = scr_h - 1; 502 if (gui_grab && !gui_fullscreen 503 && (ev->motion.x == 0 || ev->motion.y == 0 || 504 ev->motion.x == max_x || ev->motion.y == max_y)) { 505 sdl_grab_end(scon); 506 } 507 if (!gui_grab && 508 (ev->motion.x > 0 && ev->motion.x < max_x && 509 ev->motion.y > 0 && ev->motion.y < max_y)) { 510 sdl_grab_start(scon); 511 } 512 } 513 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { 514 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, 515 ev->motion.x, ev->motion.y, ev->motion.state); 516 } 517 } 518 519 static void handle_mousebutton(SDL_Event *ev) 520 { 521 int buttonstate = SDL_GetMouseState(NULL, NULL); 522 SDL_MouseButtonEvent *bev; 523 struct sdl2_console *scon = get_scon_from_window(ev->button.windowID); 524 525 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 526 return; 527 } 528 529 bev = &ev->button; 530 if (!gui_grab && !qemu_input_is_absolute()) { 531 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { 532 /* start grabbing all events */ 533 sdl_grab_start(scon); 534 } 535 } else { 536 if (ev->type == SDL_MOUSEBUTTONDOWN) { 537 buttonstate |= SDL_BUTTON(bev->button); 538 } else { 539 buttonstate &= ~SDL_BUTTON(bev->button); 540 } 541 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); 542 } 543 } 544 545 static void handle_mousewheel(SDL_Event *ev) 546 { 547 struct sdl2_console *scon = get_scon_from_window(ev->wheel.windowID); 548 SDL_MouseWheelEvent *wev = &ev->wheel; 549 InputButton btn; 550 551 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 552 return; 553 } 554 555 if (wev->y > 0) { 556 btn = INPUT_BUTTON_WHEEL_UP; 557 } else if (wev->y < 0) { 558 btn = INPUT_BUTTON_WHEEL_DOWN; 559 } else if (wev->x < 0) { 560 btn = INPUT_BUTTON_WHEEL_RIGHT; 561 } else if (wev->x > 0) { 562 btn = INPUT_BUTTON_WHEEL_LEFT; 563 } else { 564 return; 565 } 566 567 qemu_input_queue_btn(scon->dcl.con, btn, true); 568 qemu_input_event_sync(); 569 qemu_input_queue_btn(scon->dcl.con, btn, false); 570 qemu_input_event_sync(); 571 } 572 573 static void handle_windowevent(SDL_Event *ev) 574 { 575 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID); 576 bool allow_close = true; 577 578 if (!scon) { 579 return; 580 } 581 582 switch (ev->window.event) { 583 case SDL_WINDOWEVENT_RESIZED: 584 { 585 QemuUIInfo info; 586 memset(&info, 0, sizeof(info)); 587 info.width = ev->window.data1; 588 info.height = ev->window.data2; 589 dpy_set_ui_info(scon->dcl.con, &info, true); 590 } 591 sdl2_redraw(scon); 592 break; 593 case SDL_WINDOWEVENT_EXPOSED: 594 sdl2_redraw(scon); 595 break; 596 case SDL_WINDOWEVENT_FOCUS_GAINED: 597 win32_kbd_set_grab(gui_grab); 598 if (qemu_console_is_graphic(scon->dcl.con)) { 599 win32_kbd_set_window(sdl2_win32_get_hwnd(scon)); 600 } 601 /* fall through */ 602 case SDL_WINDOWEVENT_ENTER: 603 if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) { 604 absolute_mouse_grab(scon); 605 } 606 /* If a new console window opened using a hotkey receives the 607 * focus, SDL sends another KEYDOWN event to the new window, 608 * closing the console window immediately after. 609 * 610 * Work around this by ignoring further hotkey events until a 611 * key is released. 612 */ 613 scon->ignore_hotkeys = get_mod_state(); 614 break; 615 case SDL_WINDOWEVENT_FOCUS_LOST: 616 if (qemu_console_is_graphic(scon->dcl.con)) { 617 win32_kbd_set_window(NULL); 618 } 619 if (gui_grab && !gui_fullscreen) { 620 sdl_grab_end(scon); 621 } 622 break; 623 case SDL_WINDOWEVENT_RESTORED: 624 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT); 625 break; 626 case SDL_WINDOWEVENT_MINIMIZED: 627 update_displaychangelistener(&scon->dcl, 500); 628 break; 629 case SDL_WINDOWEVENT_CLOSE: 630 if (qemu_console_is_graphic(scon->dcl.con)) { 631 if (scon->opts->has_window_close && !scon->opts->window_close) { 632 allow_close = false; 633 } 634 if (allow_close) { 635 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 636 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 637 } 638 } else { 639 SDL_HideWindow(scon->real_window); 640 scon->hidden = true; 641 } 642 break; 643 case SDL_WINDOWEVENT_SHOWN: 644 scon->hidden = false; 645 break; 646 case SDL_WINDOWEVENT_HIDDEN: 647 scon->hidden = true; 648 break; 649 } 650 } 651 652 void sdl2_poll_events(struct sdl2_console *scon) 653 { 654 SDL_Event ev1, *ev = &ev1; 655 bool allow_close = true; 656 int idle = 1; 657 658 if (scon->last_vm_running != runstate_is_running()) { 659 scon->last_vm_running = runstate_is_running(); 660 sdl_update_caption(scon); 661 } 662 663 while (SDL_PollEvent(ev)) { 664 switch (ev->type) { 665 case SDL_KEYDOWN: 666 idle = 0; 667 handle_keydown(ev); 668 break; 669 case SDL_KEYUP: 670 idle = 0; 671 handle_keyup(ev); 672 break; 673 case SDL_TEXTINPUT: 674 idle = 0; 675 handle_textinput(ev); 676 break; 677 case SDL_QUIT: 678 if (scon->opts->has_window_close && !scon->opts->window_close) { 679 allow_close = false; 680 } 681 if (allow_close) { 682 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 683 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 684 } 685 break; 686 case SDL_MOUSEMOTION: 687 idle = 0; 688 handle_mousemotion(ev); 689 break; 690 case SDL_MOUSEBUTTONDOWN: 691 case SDL_MOUSEBUTTONUP: 692 idle = 0; 693 handle_mousebutton(ev); 694 break; 695 case SDL_MOUSEWHEEL: 696 idle = 0; 697 handle_mousewheel(ev); 698 break; 699 case SDL_WINDOWEVENT: 700 handle_windowevent(ev); 701 break; 702 default: 703 break; 704 } 705 } 706 707 if (idle) { 708 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { 709 scon->idle_counter++; 710 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { 711 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; 712 } 713 } 714 } else { 715 scon->idle_counter = 0; 716 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; 717 } 718 } 719 720 static void sdl_mouse_warp(DisplayChangeListener *dcl, 721 int x, int y, int on) 722 { 723 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl); 724 725 if (!qemu_console_is_graphic(scon->dcl.con)) { 726 return; 727 } 728 729 if (on) { 730 if (!guest_cursor) { 731 sdl_show_cursor(scon); 732 } 733 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { 734 SDL_SetCursor(guest_sprite); 735 if (!qemu_input_is_absolute() && !absolute_enabled) { 736 SDL_WarpMouseInWindow(scon->real_window, x, y); 737 } 738 } 739 } else if (gui_grab) { 740 sdl_hide_cursor(scon); 741 } 742 guest_cursor = on; 743 guest_x = x, guest_y = y; 744 } 745 746 static void sdl_mouse_define(DisplayChangeListener *dcl, 747 QEMUCursor *c) 748 { 749 750 if (guest_sprite) { 751 SDL_FreeCursor(guest_sprite); 752 } 753 754 if (guest_sprite_surface) { 755 SDL_FreeSurface(guest_sprite_surface); 756 } 757 758 guest_sprite_surface = 759 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, 760 0xff0000, 0x00ff00, 0xff, 0xff000000); 761 762 if (!guest_sprite_surface) { 763 fprintf(stderr, "Failed to make rgb surface from %p\n", c); 764 return; 765 } 766 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, 767 c->hot_x, c->hot_y); 768 if (!guest_sprite) { 769 fprintf(stderr, "Failed to make color cursor from %p\n", c); 770 return; 771 } 772 if (guest_cursor && 773 (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { 774 SDL_SetCursor(guest_sprite); 775 } 776 } 777 778 static void sdl_cleanup(void) 779 { 780 if (guest_sprite) { 781 SDL_FreeCursor(guest_sprite); 782 } 783 SDL_QuitSubSystem(SDL_INIT_VIDEO); 784 } 785 786 static const DisplayChangeListenerOps dcl_2d_ops = { 787 .dpy_name = "sdl2-2d", 788 .dpy_gfx_update = sdl2_2d_update, 789 .dpy_gfx_switch = sdl2_2d_switch, 790 .dpy_gfx_check_format = sdl2_2d_check_format, 791 .dpy_refresh = sdl2_2d_refresh, 792 .dpy_mouse_set = sdl_mouse_warp, 793 .dpy_cursor_define = sdl_mouse_define, 794 }; 795 796 #ifdef CONFIG_OPENGL 797 static const DisplayChangeListenerOps dcl_gl_ops = { 798 .dpy_name = "sdl2-gl", 799 .dpy_gfx_update = sdl2_gl_update, 800 .dpy_gfx_switch = sdl2_gl_switch, 801 .dpy_gfx_check_format = console_gl_check_format, 802 .dpy_refresh = sdl2_gl_refresh, 803 .dpy_mouse_set = sdl_mouse_warp, 804 .dpy_cursor_define = sdl_mouse_define, 805 806 .dpy_gl_scanout_disable = sdl2_gl_scanout_disable, 807 .dpy_gl_scanout_texture = sdl2_gl_scanout_texture, 808 .dpy_gl_update = sdl2_gl_scanout_flush, 809 }; 810 811 static bool 812 sdl2_gl_is_compatible_dcl(DisplayGLCtx *dgc, 813 DisplayChangeListener *dcl) 814 { 815 return dcl->ops == &dcl_gl_ops; 816 } 817 818 static const DisplayGLCtxOps gl_ctx_ops = { 819 .dpy_gl_ctx_is_compatible_dcl = sdl2_gl_is_compatible_dcl, 820 .dpy_gl_ctx_create = sdl2_gl_create_context, 821 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context, 822 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current, 823 }; 824 #endif 825 826 static void sdl2_display_early_init(DisplayOptions *o) 827 { 828 assert(o->type == DISPLAY_TYPE_SDL); 829 if (o->has_gl && o->gl) { 830 #ifdef CONFIG_OPENGL 831 display_opengl = 1; 832 #endif 833 } 834 } 835 836 static void sdl2_display_init(DisplayState *ds, DisplayOptions *o) 837 { 838 uint8_t data = 0; 839 int i; 840 SDL_SysWMinfo info; 841 SDL_Surface *icon = NULL; 842 char *dir; 843 844 assert(o->type == DISPLAY_TYPE_SDL); 845 846 #ifdef __linux__ 847 /* on Linux, SDL may use fbcon|directfb|svgalib when run without 848 * accessible $DISPLAY to open X11 window. This is often the case 849 * when qemu is run using sudo. But in this case, and when actually 850 * run in X11 environment, SDL fights with X11 for the video card, 851 * making current display unavailable, often until reboot. 852 * So make x11 the default SDL video driver if this variable is unset. 853 * This is a bit hackish but saves us from bigger problem. 854 * Maybe it's a good idea to fix this in SDL instead. 855 */ 856 if (!g_setenv("SDL_VIDEODRIVER", "x11", 0)) { 857 fprintf(stderr, "Could not set SDL_VIDEODRIVER environment variable\n"); 858 exit(1); 859 } 860 #endif 861 862 if (SDL_GetHintBoolean("QEMU_ENABLE_SDL_LOGGING", SDL_FALSE)) { 863 SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE); 864 } 865 866 if (SDL_Init(SDL_INIT_VIDEO)) { 867 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", 868 SDL_GetError()); 869 exit(1); 870 } 871 #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */ 872 SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); 873 #endif 874 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); 875 memset(&info, 0, sizeof(info)); 876 SDL_VERSION(&info.version); 877 878 gui_fullscreen = o->has_full_screen && o->full_screen; 879 880 if (o->u.sdl.has_grab_mod) { 881 if (o->u.sdl.grab_mod == HOT_KEY_MOD_LSHIFT_LCTRL_LALT) { 882 alt_grab = true; 883 } else if (o->u.sdl.grab_mod == HOT_KEY_MOD_RCTRL) { 884 ctrl_grab = true; 885 } 886 } 887 888 for (i = 0;; i++) { 889 QemuConsole *con = qemu_console_lookup_by_index(i); 890 if (!con) { 891 break; 892 } 893 } 894 sdl2_num_outputs = i; 895 if (sdl2_num_outputs == 0) { 896 return; 897 } 898 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs); 899 for (i = 0; i < sdl2_num_outputs; i++) { 900 QemuConsole *con = qemu_console_lookup_by_index(i); 901 assert(con != NULL); 902 if (!qemu_console_is_graphic(con) && 903 qemu_console_get_index(con) != 0) { 904 sdl2_console[i].hidden = true; 905 } 906 sdl2_console[i].idx = i; 907 sdl2_console[i].opts = o; 908 #ifdef CONFIG_OPENGL 909 sdl2_console[i].opengl = display_opengl; 910 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops; 911 sdl2_console[i].dgc.ops = display_opengl ? &gl_ctx_ops : NULL; 912 #else 913 sdl2_console[i].opengl = 0; 914 sdl2_console[i].dcl.ops = &dcl_2d_ops; 915 #endif 916 sdl2_console[i].dcl.con = con; 917 sdl2_console[i].kbd = qkbd_state_init(con); 918 if (display_opengl) { 919 qemu_console_set_display_gl_ctx(con, &sdl2_console[i].dgc); 920 } 921 register_displaychangelistener(&sdl2_console[i].dcl); 922 923 #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11) 924 if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) { 925 #if defined(SDL_VIDEO_DRIVER_WINDOWS) 926 qemu_console_set_window_id(con, (uintptr_t)info.info.win.window); 927 #elif defined(SDL_VIDEO_DRIVER_X11) 928 qemu_console_set_window_id(con, info.info.x11.window); 929 #endif 930 } 931 #endif 932 } 933 934 #ifdef CONFIG_SDL_IMAGE 935 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/128x128/apps/qemu.png"); 936 icon = IMG_Load(dir); 937 #else 938 /* Load a 32x32x4 image. White pixels are transparent. */ 939 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/32x32/apps/qemu.bmp"); 940 icon = SDL_LoadBMP(dir); 941 if (icon) { 942 uint32_t colorkey = SDL_MapRGB(icon->format, 255, 255, 255); 943 SDL_SetColorKey(icon, SDL_TRUE, colorkey); 944 } 945 #endif 946 g_free(dir); 947 if (icon) { 948 SDL_SetWindowIcon(sdl2_console[0].real_window, icon); 949 } 950 951 mouse_mode_notifier.notify = sdl_mouse_mode_change; 952 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); 953 954 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); 955 sdl_cursor_normal = SDL_GetCursor(); 956 957 if (gui_fullscreen) { 958 sdl_grab_start(&sdl2_console[0]); 959 } 960 961 atexit(sdl_cleanup); 962 } 963 964 static QemuDisplay qemu_display_sdl2 = { 965 .type = DISPLAY_TYPE_SDL, 966 .early_init = sdl2_display_early_init, 967 .init = sdl2_display_init, 968 }; 969 970 static void register_sdl1(void) 971 { 972 qemu_display_register(&qemu_display_sdl2); 973 } 974 975 type_init(register_sdl1); 976 977 #ifdef CONFIG_OPENGL 978 module_dep("ui-opengl"); 979 #endif 980
