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->winctx = SDL_GL_CreateContext(scon->real_window); 118 } else { 119 /* The SDL renderer is only used by sdl2-2D, when OpenGL is disabled */ 120 scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0); 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 if (scon->winctx) { 132 SDL_GL_DeleteContext(scon->winctx); 133 scon->winctx = NULL; 134 } 135 if (scon->real_renderer) { 136 SDL_DestroyRenderer(scon->real_renderer); 137 scon->real_renderer = NULL; 138 } 139 SDL_DestroyWindow(scon->real_window); 140 scon->real_window = NULL; 141 } 142 143 void sdl2_window_resize(struct sdl2_console *scon) 144 { 145 if (!scon->real_window) { 146 return; 147 } 148 149 SDL_SetWindowSize(scon->real_window, 150 surface_width(scon->surface), 151 surface_height(scon->surface)); 152 } 153 154 static void sdl2_redraw(struct sdl2_console *scon) 155 { 156 if (scon->opengl) { 157 #ifdef CONFIG_OPENGL 158 sdl2_gl_redraw(scon); 159 #endif 160 } else { 161 sdl2_2d_redraw(scon); 162 } 163 } 164 165 static void sdl_update_caption(struct sdl2_console *scon) 166 { 167 char win_title[1024]; 168 char icon_title[1024]; 169 const char *status = ""; 170 171 if (!runstate_is_running()) { 172 status = " [Stopped]"; 173 } else if (gui_grab) { 174 if (alt_grab) { 175 status = " - Press Ctrl-Alt-Shift-G to exit grab"; 176 } else if (ctrl_grab) { 177 status = " - Press Right-Ctrl-G to exit grab"; 178 } else { 179 status = " - Press Ctrl-Alt-G to exit grab"; 180 } 181 } 182 183 if (qemu_name) { 184 snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name, 185 scon->idx, status); 186 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); 187 } else { 188 snprintf(win_title, sizeof(win_title), "QEMU%s", status); 189 snprintf(icon_title, sizeof(icon_title), "QEMU"); 190 } 191 192 if (scon->real_window) { 193 SDL_SetWindowTitle(scon->real_window, win_title); 194 } 195 } 196 197 static void sdl_hide_cursor(struct sdl2_console *scon) 198 { 199 if (scon->opts->has_show_cursor && scon->opts->show_cursor) { 200 return; 201 } 202 203 SDL_ShowCursor(SDL_DISABLE); 204 SDL_SetCursor(sdl_cursor_hidden); 205 206 if (!qemu_input_is_absolute()) { 207 SDL_SetRelativeMouseMode(SDL_TRUE); 208 } 209 } 210 211 static void sdl_show_cursor(struct sdl2_console *scon) 212 { 213 if (scon->opts->has_show_cursor && scon->opts->show_cursor) { 214 return; 215 } 216 217 if (!qemu_input_is_absolute()) { 218 SDL_SetRelativeMouseMode(SDL_FALSE); 219 } 220 221 if (guest_cursor && 222 (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { 223 SDL_SetCursor(guest_sprite); 224 } else { 225 SDL_SetCursor(sdl_cursor_normal); 226 } 227 228 SDL_ShowCursor(SDL_ENABLE); 229 } 230 231 static void sdl_grab_start(struct sdl2_console *scon) 232 { 233 QemuConsole *con = scon ? scon->dcl.con : NULL; 234 235 if (!con || !qemu_console_is_graphic(con)) { 236 return; 237 } 238 /* 239 * If the application is not active, do not try to enter grab state. This 240 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the 241 * application (SDL bug). 242 */ 243 if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) { 244 return; 245 } 246 if (guest_cursor) { 247 SDL_SetCursor(guest_sprite); 248 if (!qemu_input_is_absolute() && !absolute_enabled) { 249 SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y); 250 } 251 } else { 252 sdl_hide_cursor(scon); 253 } 254 SDL_SetWindowGrab(scon->real_window, SDL_TRUE); 255 gui_grab = 1; 256 win32_kbd_set_grab(true); 257 sdl_update_caption(scon); 258 } 259 260 static void sdl_grab_end(struct sdl2_console *scon) 261 { 262 SDL_SetWindowGrab(scon->real_window, SDL_FALSE); 263 gui_grab = 0; 264 win32_kbd_set_grab(false); 265 sdl_show_cursor(scon); 266 sdl_update_caption(scon); 267 } 268 269 static void absolute_mouse_grab(struct sdl2_console *scon) 270 { 271 int mouse_x, mouse_y; 272 int scr_w, scr_h; 273 SDL_GetMouseState(&mouse_x, &mouse_y); 274 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 275 if (mouse_x > 0 && mouse_x < scr_w - 1 && 276 mouse_y > 0 && mouse_y < scr_h - 1) { 277 sdl_grab_start(scon); 278 } 279 } 280 281 static void sdl_mouse_mode_change(Notifier *notify, void *data) 282 { 283 if (qemu_input_is_absolute()) { 284 if (!absolute_enabled) { 285 absolute_enabled = 1; 286 SDL_SetRelativeMouseMode(SDL_FALSE); 287 absolute_mouse_grab(&sdl2_console[0]); 288 } 289 } else if (absolute_enabled) { 290 if (!gui_fullscreen) { 291 sdl_grab_end(&sdl2_console[0]); 292 } 293 absolute_enabled = 0; 294 } 295 } 296 297 static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, 298 int x, int y, int state) 299 { 300 static uint32_t bmap[INPUT_BUTTON__MAX] = { 301 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT), 302 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE), 303 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT), 304 [INPUT_BUTTON_SIDE] = SDL_BUTTON(SDL_BUTTON_X1), 305 [INPUT_BUTTON_EXTRA] = SDL_BUTTON(SDL_BUTTON_X2) 306 }; 307 static uint32_t prev_state; 308 309 if (prev_state != state) { 310 qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state); 311 prev_state = state; 312 } 313 314 if (qemu_input_is_absolute()) { 315 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, 316 x, 0, surface_width(scon->surface)); 317 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, 318 y, 0, surface_height(scon->surface)); 319 } else { 320 if (guest_cursor) { 321 x -= guest_x; 322 y -= guest_y; 323 guest_x += x; 324 guest_y += y; 325 dx = x; 326 dy = y; 327 } 328 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx); 329 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy); 330 } 331 qemu_input_event_sync(); 332 } 333 334 static void toggle_full_screen(struct sdl2_console *scon) 335 { 336 gui_fullscreen = !gui_fullscreen; 337 if (gui_fullscreen) { 338 SDL_SetWindowFullscreen(scon->real_window, 339 SDL_WINDOW_FULLSCREEN_DESKTOP); 340 gui_saved_grab = gui_grab; 341 sdl_grab_start(scon); 342 } else { 343 if (!gui_saved_grab) { 344 sdl_grab_end(scon); 345 } 346 SDL_SetWindowFullscreen(scon->real_window, 0); 347 } 348 sdl2_redraw(scon); 349 } 350 351 static int get_mod_state(void) 352 { 353 SDL_Keymod mod = SDL_GetModState(); 354 355 if (alt_grab) { 356 return (mod & (gui_grab_code | KMOD_LSHIFT)) == 357 (gui_grab_code | KMOD_LSHIFT); 358 } else if (ctrl_grab) { 359 return (mod & KMOD_RCTRL) == KMOD_RCTRL; 360 } else { 361 return (mod & gui_grab_code) == gui_grab_code; 362 } 363 } 364 365 static void *sdl2_win32_get_hwnd(struct sdl2_console *scon) 366 { 367 #ifdef CONFIG_WIN32 368 SDL_SysWMinfo info; 369 370 SDL_VERSION(&info.version); 371 if (SDL_GetWindowWMInfo(scon->real_window, &info)) { 372 return info.info.win.window; 373 } 374 #endif 375 return NULL; 376 } 377 378 static void handle_keydown(SDL_Event *ev) 379 { 380 int win; 381 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 382 int gui_key_modifier_pressed = get_mod_state(); 383 int gui_keysym = 0; 384 385 if (!scon) { 386 return; 387 } 388 389 if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) { 390 switch (ev->key.keysym.scancode) { 391 case SDL_SCANCODE_2: 392 case SDL_SCANCODE_3: 393 case SDL_SCANCODE_4: 394 case SDL_SCANCODE_5: 395 case SDL_SCANCODE_6: 396 case SDL_SCANCODE_7: 397 case SDL_SCANCODE_8: 398 case SDL_SCANCODE_9: 399 if (gui_grab) { 400 sdl_grab_end(scon); 401 } 402 403 win = ev->key.keysym.scancode - SDL_SCANCODE_1; 404 if (win < sdl2_num_outputs) { 405 sdl2_console[win].hidden = !sdl2_console[win].hidden; 406 if (sdl2_console[win].real_window) { 407 if (sdl2_console[win].hidden) { 408 SDL_HideWindow(sdl2_console[win].real_window); 409 } else { 410 SDL_ShowWindow(sdl2_console[win].real_window); 411 } 412 } 413 gui_keysym = 1; 414 } 415 break; 416 case SDL_SCANCODE_F: 417 toggle_full_screen(scon); 418 gui_keysym = 1; 419 break; 420 case SDL_SCANCODE_G: 421 gui_keysym = 1; 422 if (!gui_grab) { 423 sdl_grab_start(scon); 424 } else if (!gui_fullscreen) { 425 sdl_grab_end(scon); 426 } 427 break; 428 case SDL_SCANCODE_U: 429 sdl2_window_resize(scon); 430 if (!scon->opengl) { 431 /* re-create scon->texture */ 432 sdl2_2d_switch(&scon->dcl, scon->surface); 433 } 434 gui_keysym = 1; 435 break; 436 #if 0 437 case SDL_SCANCODE_KP_PLUS: 438 case SDL_SCANCODE_KP_MINUS: 439 if (!gui_fullscreen) { 440 int scr_w, scr_h; 441 int width, height; 442 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 443 444 width = MAX(scr_w + (ev->key.keysym.scancode == 445 SDL_SCANCODE_KP_PLUS ? 50 : -50), 446 160); 447 height = (surface_height(scon->surface) * width) / 448 surface_width(scon->surface); 449 fprintf(stderr, "%s: scale to %dx%d\n", 450 __func__, width, height); 451 sdl_scale(scon, width, height); 452 sdl2_redraw(scon); 453 gui_keysym = 1; 454 } 455 #endif 456 default: 457 break; 458 } 459 } 460 if (!gui_keysym) { 461 sdl2_process_key(scon, &ev->key); 462 } 463 } 464 465 static void handle_keyup(SDL_Event *ev) 466 { 467 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 468 469 if (!scon) { 470 return; 471 } 472 473 scon->ignore_hotkeys = false; 474 sdl2_process_key(scon, &ev->key); 475 } 476 477 static void handle_textinput(SDL_Event *ev) 478 { 479 struct sdl2_console *scon = get_scon_from_window(ev->text.windowID); 480 QemuConsole *con = scon ? scon->dcl.con : NULL; 481 482 if (!con) { 483 return; 484 } 485 486 if (qemu_console_is_graphic(con)) { 487 return; 488 } 489 kbd_put_string_console(con, ev->text.text, strlen(ev->text.text)); 490 } 491 492 static void handle_mousemotion(SDL_Event *ev) 493 { 494 int max_x, max_y; 495 struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID); 496 497 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 498 return; 499 } 500 501 if (qemu_input_is_absolute() || absolute_enabled) { 502 int scr_w, scr_h; 503 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 504 max_x = scr_w - 1; 505 max_y = scr_h - 1; 506 if (gui_grab && !gui_fullscreen 507 && (ev->motion.x == 0 || ev->motion.y == 0 || 508 ev->motion.x == max_x || ev->motion.y == max_y)) { 509 sdl_grab_end(scon); 510 } 511 if (!gui_grab && 512 (ev->motion.x > 0 && ev->motion.x < max_x && 513 ev->motion.y > 0 && ev->motion.y < max_y)) { 514 sdl_grab_start(scon); 515 } 516 } 517 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { 518 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, 519 ev->motion.x, ev->motion.y, ev->motion.state); 520 } 521 } 522 523 static void handle_mousebutton(SDL_Event *ev) 524 { 525 int buttonstate = SDL_GetMouseState(NULL, NULL); 526 SDL_MouseButtonEvent *bev; 527 struct sdl2_console *scon = get_scon_from_window(ev->button.windowID); 528 529 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 530 return; 531 } 532 533 bev = &ev->button; 534 if (!gui_grab && !qemu_input_is_absolute()) { 535 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { 536 /* start grabbing all events */ 537 sdl_grab_start(scon); 538 } 539 } else { 540 if (ev->type == SDL_MOUSEBUTTONDOWN) { 541 buttonstate |= SDL_BUTTON(bev->button); 542 } else { 543 buttonstate &= ~SDL_BUTTON(bev->button); 544 } 545 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); 546 } 547 } 548 549 static void handle_mousewheel(SDL_Event *ev) 550 { 551 struct sdl2_console *scon = get_scon_from_window(ev->wheel.windowID); 552 SDL_MouseWheelEvent *wev = &ev->wheel; 553 InputButton btn; 554 555 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 556 return; 557 } 558 559 if (wev->y > 0) { 560 btn = INPUT_BUTTON_WHEEL_UP; 561 } else if (wev->y < 0) { 562 btn = INPUT_BUTTON_WHEEL_DOWN; 563 } else if (wev->x < 0) { 564 btn = INPUT_BUTTON_WHEEL_RIGHT; 565 } else if (wev->x > 0) { 566 btn = INPUT_BUTTON_WHEEL_LEFT; 567 } else { 568 return; 569 } 570 571 qemu_input_queue_btn(scon->dcl.con, btn, true); 572 qemu_input_event_sync(); 573 qemu_input_queue_btn(scon->dcl.con, btn, false); 574 qemu_input_event_sync(); 575 } 576 577 static void handle_windowevent(SDL_Event *ev) 578 { 579 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID); 580 bool allow_close = true; 581 582 if (!scon) { 583 return; 584 } 585 586 switch (ev->window.event) { 587 case SDL_WINDOWEVENT_RESIZED: 588 { 589 QemuUIInfo info; 590 memset(&info, 0, sizeof(info)); 591 info.width = ev->window.data1; 592 info.height = ev->window.data2; 593 dpy_set_ui_info(scon->dcl.con, &info, true); 594 } 595 sdl2_redraw(scon); 596 break; 597 case SDL_WINDOWEVENT_EXPOSED: 598 sdl2_redraw(scon); 599 break; 600 case SDL_WINDOWEVENT_FOCUS_GAINED: 601 win32_kbd_set_grab(gui_grab); 602 if (qemu_console_is_graphic(scon->dcl.con)) { 603 win32_kbd_set_window(sdl2_win32_get_hwnd(scon)); 604 } 605 /* fall through */ 606 case SDL_WINDOWEVENT_ENTER: 607 if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) { 608 absolute_mouse_grab(scon); 609 } 610 /* If a new console window opened using a hotkey receives the 611 * focus, SDL sends another KEYDOWN event to the new window, 612 * closing the console window immediately after. 613 * 614 * Work around this by ignoring further hotkey events until a 615 * key is released. 616 */ 617 scon->ignore_hotkeys = get_mod_state(); 618 break; 619 case SDL_WINDOWEVENT_FOCUS_LOST: 620 if (qemu_console_is_graphic(scon->dcl.con)) { 621 win32_kbd_set_window(NULL); 622 } 623 if (gui_grab && !gui_fullscreen) { 624 sdl_grab_end(scon); 625 } 626 break; 627 case SDL_WINDOWEVENT_RESTORED: 628 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT); 629 break; 630 case SDL_WINDOWEVENT_MINIMIZED: 631 update_displaychangelistener(&scon->dcl, 500); 632 break; 633 case SDL_WINDOWEVENT_CLOSE: 634 if (qemu_console_is_graphic(scon->dcl.con)) { 635 if (scon->opts->has_window_close && !scon->opts->window_close) { 636 allow_close = false; 637 } 638 if (allow_close) { 639 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 640 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 641 } 642 } else { 643 SDL_HideWindow(scon->real_window); 644 scon->hidden = true; 645 } 646 break; 647 case SDL_WINDOWEVENT_SHOWN: 648 scon->hidden = false; 649 break; 650 case SDL_WINDOWEVENT_HIDDEN: 651 scon->hidden = true; 652 break; 653 } 654 } 655 656 void sdl2_poll_events(struct sdl2_console *scon) 657 { 658 SDL_Event ev1, *ev = &ev1; 659 bool allow_close = true; 660 int idle = 1; 661 662 if (scon->last_vm_running != runstate_is_running()) { 663 scon->last_vm_running = runstate_is_running(); 664 sdl_update_caption(scon); 665 } 666 667 while (SDL_PollEvent(ev)) { 668 switch (ev->type) { 669 case SDL_KEYDOWN: 670 idle = 0; 671 handle_keydown(ev); 672 break; 673 case SDL_KEYUP: 674 idle = 0; 675 handle_keyup(ev); 676 break; 677 case SDL_TEXTINPUT: 678 idle = 0; 679 handle_textinput(ev); 680 break; 681 case SDL_QUIT: 682 if (scon->opts->has_window_close && !scon->opts->window_close) { 683 allow_close = false; 684 } 685 if (allow_close) { 686 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 687 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 688 } 689 break; 690 case SDL_MOUSEMOTION: 691 idle = 0; 692 handle_mousemotion(ev); 693 break; 694 case SDL_MOUSEBUTTONDOWN: 695 case SDL_MOUSEBUTTONUP: 696 idle = 0; 697 handle_mousebutton(ev); 698 break; 699 case SDL_MOUSEWHEEL: 700 idle = 0; 701 handle_mousewheel(ev); 702 break; 703 case SDL_WINDOWEVENT: 704 handle_windowevent(ev); 705 break; 706 default: 707 break; 708 } 709 } 710 711 if (idle) { 712 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { 713 scon->idle_counter++; 714 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { 715 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; 716 } 717 } 718 } else { 719 scon->idle_counter = 0; 720 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; 721 } 722 } 723 724 static void sdl_mouse_warp(DisplayChangeListener *dcl, 725 int x, int y, int on) 726 { 727 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl); 728 729 if (!qemu_console_is_graphic(scon->dcl.con)) { 730 return; 731 } 732 733 if (on) { 734 if (!guest_cursor) { 735 sdl_show_cursor(scon); 736 } 737 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { 738 SDL_SetCursor(guest_sprite); 739 if (!qemu_input_is_absolute() && !absolute_enabled) { 740 SDL_WarpMouseInWindow(scon->real_window, x, y); 741 } 742 } 743 } else if (gui_grab) { 744 sdl_hide_cursor(scon); 745 } 746 guest_cursor = on; 747 guest_x = x, guest_y = y; 748 } 749 750 static void sdl_mouse_define(DisplayChangeListener *dcl, 751 QEMUCursor *c) 752 { 753 754 if (guest_sprite) { 755 SDL_FreeCursor(guest_sprite); 756 } 757 758 if (guest_sprite_surface) { 759 SDL_FreeSurface(guest_sprite_surface); 760 } 761 762 guest_sprite_surface = 763 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, 764 0xff0000, 0x00ff00, 0xff, 0xff000000); 765 766 if (!guest_sprite_surface) { 767 fprintf(stderr, "Failed to make rgb surface from %p\n", c); 768 return; 769 } 770 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, 771 c->hot_x, c->hot_y); 772 if (!guest_sprite) { 773 fprintf(stderr, "Failed to make color cursor from %p\n", c); 774 return; 775 } 776 if (guest_cursor && 777 (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { 778 SDL_SetCursor(guest_sprite); 779 } 780 } 781 782 static void sdl_cleanup(void) 783 { 784 if (guest_sprite) { 785 SDL_FreeCursor(guest_sprite); 786 } 787 SDL_QuitSubSystem(SDL_INIT_VIDEO); 788 } 789 790 static const DisplayChangeListenerOps dcl_2d_ops = { 791 .dpy_name = "sdl2-2d", 792 .dpy_gfx_update = sdl2_2d_update, 793 .dpy_gfx_switch = sdl2_2d_switch, 794 .dpy_gfx_check_format = sdl2_2d_check_format, 795 .dpy_refresh = sdl2_2d_refresh, 796 .dpy_mouse_set = sdl_mouse_warp, 797 .dpy_cursor_define = sdl_mouse_define, 798 }; 799 800 #ifdef CONFIG_OPENGL 801 static const DisplayChangeListenerOps dcl_gl_ops = { 802 .dpy_name = "sdl2-gl", 803 .dpy_gfx_update = sdl2_gl_update, 804 .dpy_gfx_switch = sdl2_gl_switch, 805 .dpy_gfx_check_format = console_gl_check_format, 806 .dpy_refresh = sdl2_gl_refresh, 807 .dpy_mouse_set = sdl_mouse_warp, 808 .dpy_cursor_define = sdl_mouse_define, 809 810 .dpy_gl_scanout_disable = sdl2_gl_scanout_disable, 811 .dpy_gl_scanout_texture = sdl2_gl_scanout_texture, 812 .dpy_gl_update = sdl2_gl_scanout_flush, 813 }; 814 815 static bool 816 sdl2_gl_is_compatible_dcl(DisplayGLCtx *dgc, 817 DisplayChangeListener *dcl) 818 { 819 return dcl->ops == &dcl_gl_ops; 820 } 821 822 static const DisplayGLCtxOps gl_ctx_ops = { 823 .dpy_gl_ctx_is_compatible_dcl = sdl2_gl_is_compatible_dcl, 824 .dpy_gl_ctx_create = sdl2_gl_create_context, 825 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context, 826 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current, 827 }; 828 #endif 829 830 static void sdl2_display_early_init(DisplayOptions *o) 831 { 832 assert(o->type == DISPLAY_TYPE_SDL); 833 if (o->has_gl && o->gl) { 834 #ifdef CONFIG_OPENGL 835 display_opengl = 1; 836 #endif 837 } 838 } 839 840 static void sdl2_display_init(DisplayState *ds, DisplayOptions *o) 841 { 842 uint8_t data = 0; 843 int i; 844 SDL_SysWMinfo info; 845 SDL_Surface *icon = NULL; 846 char *dir; 847 848 assert(o->type == DISPLAY_TYPE_SDL); 849 850 if (SDL_GetHintBoolean("QEMU_ENABLE_SDL_LOGGING", SDL_FALSE)) { 851 SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE); 852 } 853 854 if (SDL_Init(SDL_INIT_VIDEO)) { 855 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", 856 SDL_GetError()); 857 exit(1); 858 } 859 #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */ 860 SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); 861 #endif 862 #ifndef CONFIG_WIN32 863 /* QEMU uses its own low level keyboard hook procecure on Windows */ 864 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); 865 #endif 866 #ifdef SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED 867 SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0"); 868 #endif 869 SDL_SetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, "1"); 870 memset(&info, 0, sizeof(info)); 871 SDL_VERSION(&info.version); 872 873 gui_fullscreen = o->has_full_screen && o->full_screen; 874 875 if (o->u.sdl.has_grab_mod) { 876 if (o->u.sdl.grab_mod == HOT_KEY_MOD_LSHIFT_LCTRL_LALT) { 877 alt_grab = true; 878 } else if (o->u.sdl.grab_mod == HOT_KEY_MOD_RCTRL) { 879 ctrl_grab = true; 880 } 881 } 882 883 for (i = 0;; i++) { 884 QemuConsole *con = qemu_console_lookup_by_index(i); 885 if (!con) { 886 break; 887 } 888 } 889 sdl2_num_outputs = i; 890 if (sdl2_num_outputs == 0) { 891 return; 892 } 893 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs); 894 for (i = 0; i < sdl2_num_outputs; i++) { 895 QemuConsole *con = qemu_console_lookup_by_index(i); 896 assert(con != NULL); 897 if (!qemu_console_is_graphic(con) && 898 qemu_console_get_index(con) != 0) { 899 sdl2_console[i].hidden = true; 900 } 901 sdl2_console[i].idx = i; 902 sdl2_console[i].opts = o; 903 #ifdef CONFIG_OPENGL 904 sdl2_console[i].opengl = display_opengl; 905 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops; 906 sdl2_console[i].dgc.ops = display_opengl ? &gl_ctx_ops : NULL; 907 #else 908 sdl2_console[i].opengl = 0; 909 sdl2_console[i].dcl.ops = &dcl_2d_ops; 910 #endif 911 sdl2_console[i].dcl.con = con; 912 sdl2_console[i].kbd = qkbd_state_init(con); 913 if (display_opengl) { 914 qemu_console_set_display_gl_ctx(con, &sdl2_console[i].dgc); 915 } 916 register_displaychangelistener(&sdl2_console[i].dcl); 917 918 #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11) 919 if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) { 920 #if defined(SDL_VIDEO_DRIVER_WINDOWS) 921 qemu_console_set_window_id(con, (uintptr_t)info.info.win.window); 922 #elif defined(SDL_VIDEO_DRIVER_X11) 923 qemu_console_set_window_id(con, info.info.x11.window); 924 #endif 925 } 926 #endif 927 } 928 929 #ifdef CONFIG_SDL_IMAGE 930 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/128x128/apps/qemu.png"); 931 icon = IMG_Load(dir); 932 #else 933 /* Load a 32x32x4 image. White pixels are transparent. */ 934 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/32x32/apps/qemu.bmp"); 935 icon = SDL_LoadBMP(dir); 936 if (icon) { 937 uint32_t colorkey = SDL_MapRGB(icon->format, 255, 255, 255); 938 SDL_SetColorKey(icon, SDL_TRUE, colorkey); 939 } 940 #endif 941 g_free(dir); 942 if (icon) { 943 SDL_SetWindowIcon(sdl2_console[0].real_window, icon); 944 } 945 946 mouse_mode_notifier.notify = sdl_mouse_mode_change; 947 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); 948 949 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); 950 sdl_cursor_normal = SDL_GetCursor(); 951 952 if (gui_fullscreen) { 953 sdl_grab_start(&sdl2_console[0]); 954 } 955 956 atexit(sdl_cleanup); 957 } 958 959 static QemuDisplay qemu_display_sdl2 = { 960 .type = DISPLAY_TYPE_SDL, 961 .early_init = sdl2_display_early_init, 962 .init = sdl2_display_init, 963 }; 964 965 static void register_sdl1(void) 966 { 967 qemu_display_register(&qemu_display_sdl2); 968 } 969 970 type_init(register_sdl1); 971 972 #ifdef CONFIG_OPENGL 973 module_dep("ui-opengl"); 974 #endif 975
