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 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 == 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 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 win32_kbd_set_grab(true); 266 sdl_update_caption(scon); 267 } 268 269 static void sdl_grab_end(struct sdl2_console *scon) 270 { 271 SDL_SetWindowGrab(scon->real_window, SDL_FALSE); 272 gui_grab = 0; 273 win32_kbd_set_grab(false); 274 sdl_show_cursor(scon); 275 sdl_update_caption(scon); 276 } 277 278 static void absolute_mouse_grab(struct sdl2_console *scon) 279 { 280 int mouse_x, mouse_y; 281 int scr_w, scr_h; 282 SDL_GetMouseState(&mouse_x, &mouse_y); 283 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 284 if (mouse_x > 0 && mouse_x < scr_w - 1 && 285 mouse_y > 0 && mouse_y < scr_h - 1) { 286 sdl_grab_start(scon); 287 } 288 } 289 290 static void sdl_mouse_mode_change(Notifier *notify, void *data) 291 { 292 if (qemu_input_is_absolute(sdl2_console[0].dcl.con)) { 293 if (!absolute_enabled) { 294 absolute_enabled = 1; 295 SDL_SetRelativeMouseMode(SDL_FALSE); 296 absolute_mouse_grab(&sdl2_console[0]); 297 } 298 } else if (absolute_enabled) { 299 if (!gui_fullscreen) { 300 sdl_grab_end(&sdl2_console[0]); 301 } 302 absolute_enabled = 0; 303 } 304 } 305 306 static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, 307 int x, int y, int state) 308 { 309 static uint32_t bmap[INPUT_BUTTON__MAX] = { 310 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT), 311 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE), 312 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT), 313 [INPUT_BUTTON_SIDE] = SDL_BUTTON(SDL_BUTTON_X1), 314 [INPUT_BUTTON_EXTRA] = SDL_BUTTON(SDL_BUTTON_X2) 315 }; 316 static uint32_t prev_state; 317 318 if (prev_state != state) { 319 qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state); 320 prev_state = state; 321 } 322 323 if (qemu_input_is_absolute(scon->dcl.con)) { 324 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, 325 x, 0, surface_width(scon->surface)); 326 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, 327 y, 0, surface_height(scon->surface)); 328 } else { 329 if (guest_cursor) { 330 x -= guest_x; 331 y -= guest_y; 332 guest_x += x; 333 guest_y += y; 334 dx = x; 335 dy = y; 336 } 337 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx); 338 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy); 339 } 340 qemu_input_event_sync(); 341 } 342 343 static void toggle_full_screen(struct sdl2_console *scon) 344 { 345 gui_fullscreen = !gui_fullscreen; 346 if (gui_fullscreen) { 347 SDL_SetWindowFullscreen(scon->real_window, 348 SDL_WINDOW_FULLSCREEN_DESKTOP); 349 gui_saved_grab = gui_grab; 350 sdl_grab_start(scon); 351 } else { 352 if (!gui_saved_grab) { 353 sdl_grab_end(scon); 354 } 355 SDL_SetWindowFullscreen(scon->real_window, 0); 356 } 357 sdl2_redraw(scon); 358 } 359 360 static int get_mod_state(void) 361 { 362 SDL_Keymod mod = SDL_GetModState(); 363 364 if (alt_grab) { 365 return (mod & (gui_grab_code | KMOD_LSHIFT)) == 366 (gui_grab_code | KMOD_LSHIFT); 367 } else if (ctrl_grab) { 368 return (mod & KMOD_RCTRL) == KMOD_RCTRL; 369 } else { 370 return (mod & gui_grab_code) == gui_grab_code; 371 } 372 } 373 374 static void *sdl2_win32_get_hwnd(struct sdl2_console *scon) 375 { 376 #ifdef CONFIG_WIN32 377 SDL_SysWMinfo info; 378 379 SDL_VERSION(&info.version); 380 if (SDL_GetWindowWMInfo(scon->real_window, &info)) { 381 return info.info.win.window; 382 } 383 #endif 384 return NULL; 385 } 386 387 static void handle_keydown(SDL_Event *ev) 388 { 389 int win; 390 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 391 int gui_key_modifier_pressed = get_mod_state(); 392 int gui_keysym = 0; 393 394 if (!scon) { 395 return; 396 } 397 398 if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) { 399 switch (ev->key.keysym.scancode) { 400 case SDL_SCANCODE_2: 401 case SDL_SCANCODE_3: 402 case SDL_SCANCODE_4: 403 case SDL_SCANCODE_5: 404 case SDL_SCANCODE_6: 405 case SDL_SCANCODE_7: 406 case SDL_SCANCODE_8: 407 case SDL_SCANCODE_9: 408 if (gui_grab) { 409 sdl_grab_end(scon); 410 } 411 412 win = ev->key.keysym.scancode - SDL_SCANCODE_1; 413 if (win < sdl2_num_outputs) { 414 sdl2_console[win].hidden = !sdl2_console[win].hidden; 415 if (sdl2_console[win].real_window) { 416 if (sdl2_console[win].hidden) { 417 SDL_HideWindow(sdl2_console[win].real_window); 418 } else { 419 SDL_ShowWindow(sdl2_console[win].real_window); 420 } 421 } 422 gui_keysym = 1; 423 } 424 break; 425 case SDL_SCANCODE_F: 426 toggle_full_screen(scon); 427 gui_keysym = 1; 428 break; 429 case SDL_SCANCODE_G: 430 gui_keysym = 1; 431 if (!gui_grab) { 432 sdl_grab_start(scon); 433 } else if (!gui_fullscreen) { 434 sdl_grab_end(scon); 435 } 436 break; 437 case SDL_SCANCODE_U: 438 sdl2_window_resize(scon); 439 if (!scon->opengl) { 440 /* re-create scon->texture */ 441 sdl2_2d_switch(&scon->dcl, scon->surface); 442 } 443 gui_keysym = 1; 444 break; 445 #if 0 446 case SDL_SCANCODE_KP_PLUS: 447 case SDL_SCANCODE_KP_MINUS: 448 if (!gui_fullscreen) { 449 int scr_w, scr_h; 450 int width, height; 451 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 452 453 width = MAX(scr_w + (ev->key.keysym.scancode == 454 SDL_SCANCODE_KP_PLUS ? 50 : -50), 455 160); 456 height = (surface_height(scon->surface) * width) / 457 surface_width(scon->surface); 458 fprintf(stderr, "%s: scale to %dx%d\n", 459 __func__, width, height); 460 sdl_scale(scon, width, height); 461 sdl2_redraw(scon); 462 gui_keysym = 1; 463 } 464 #endif 465 default: 466 break; 467 } 468 } 469 if (!gui_keysym) { 470 sdl2_process_key(scon, &ev->key); 471 } 472 } 473 474 static void handle_keyup(SDL_Event *ev) 475 { 476 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 477 478 if (!scon) { 479 return; 480 } 481 482 scon->ignore_hotkeys = false; 483 sdl2_process_key(scon, &ev->key); 484 } 485 486 static void handle_textinput(SDL_Event *ev) 487 { 488 struct sdl2_console *scon = get_scon_from_window(ev->text.windowID); 489 QemuConsole *con = scon ? scon->dcl.con : NULL; 490 491 if (!con) { 492 return; 493 } 494 495 if (QEMU_IS_TEXT_CONSOLE(con)) { 496 qemu_text_console_put_string(QEMU_TEXT_CONSOLE(con), ev->text.text, strlen(ev->text.text)); 497 } 498 } 499 500 static void handle_mousemotion(SDL_Event *ev) 501 { 502 int max_x, max_y; 503 struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID); 504 505 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 506 return; 507 } 508 509 if (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 510 int scr_w, scr_h; 511 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 512 max_x = scr_w - 1; 513 max_y = scr_h - 1; 514 if (gui_grab && !gui_fullscreen 515 && (ev->motion.x == 0 || ev->motion.y == 0 || 516 ev->motion.x == max_x || ev->motion.y == max_y)) { 517 sdl_grab_end(scon); 518 } 519 if (!gui_grab && 520 (ev->motion.x > 0 && ev->motion.x < max_x && 521 ev->motion.y > 0 && ev->motion.y < max_y)) { 522 sdl_grab_start(scon); 523 } 524 } 525 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 526 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, 527 ev->motion.x, ev->motion.y, ev->motion.state); 528 } 529 } 530 531 static void handle_mousebutton(SDL_Event *ev) 532 { 533 int buttonstate = SDL_GetMouseState(NULL, NULL); 534 SDL_MouseButtonEvent *bev; 535 struct sdl2_console *scon = get_scon_from_window(ev->button.windowID); 536 537 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 538 return; 539 } 540 541 bev = &ev->button; 542 if (!gui_grab && !qemu_input_is_absolute(scon->dcl.con)) { 543 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { 544 /* start grabbing all events */ 545 sdl_grab_start(scon); 546 } 547 } else { 548 if (ev->type == SDL_MOUSEBUTTONDOWN) { 549 buttonstate |= SDL_BUTTON(bev->button); 550 } else { 551 buttonstate &= ~SDL_BUTTON(bev->button); 552 } 553 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); 554 } 555 } 556 557 static void handle_mousewheel(SDL_Event *ev) 558 { 559 struct sdl2_console *scon = get_scon_from_window(ev->wheel.windowID); 560 SDL_MouseWheelEvent *wev = &ev->wheel; 561 InputButton btn; 562 563 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 564 return; 565 } 566 567 if (wev->y > 0) { 568 btn = INPUT_BUTTON_WHEEL_UP; 569 } else if (wev->y < 0) { 570 btn = INPUT_BUTTON_WHEEL_DOWN; 571 } else if (wev->x < 0) { 572 btn = INPUT_BUTTON_WHEEL_RIGHT; 573 } else if (wev->x > 0) { 574 btn = INPUT_BUTTON_WHEEL_LEFT; 575 } else { 576 return; 577 } 578 579 qemu_input_queue_btn(scon->dcl.con, btn, true); 580 qemu_input_event_sync(); 581 qemu_input_queue_btn(scon->dcl.con, btn, false); 582 qemu_input_event_sync(); 583 } 584 585 static void handle_windowevent(SDL_Event *ev) 586 { 587 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID); 588 bool allow_close = true; 589 590 if (!scon) { 591 return; 592 } 593 594 switch (ev->window.event) { 595 case SDL_WINDOWEVENT_RESIZED: 596 { 597 QemuUIInfo info; 598 memset(&info, 0, sizeof(info)); 599 info.width = ev->window.data1; 600 info.height = ev->window.data2; 601 dpy_set_ui_info(scon->dcl.con, &info, true); 602 } 603 sdl2_redraw(scon); 604 break; 605 case SDL_WINDOWEVENT_EXPOSED: 606 sdl2_redraw(scon); 607 break; 608 case SDL_WINDOWEVENT_FOCUS_GAINED: 609 win32_kbd_set_grab(gui_grab); 610 if (qemu_console_is_graphic(scon->dcl.con)) { 611 win32_kbd_set_window(sdl2_win32_get_hwnd(scon)); 612 } 613 /* fall through */ 614 case SDL_WINDOWEVENT_ENTER: 615 if (!gui_grab && (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) { 616 absolute_mouse_grab(scon); 617 } 618 /* If a new console window opened using a hotkey receives the 619 * focus, SDL sends another KEYDOWN event to the new window, 620 * closing the console window immediately after. 621 * 622 * Work around this by ignoring further hotkey events until a 623 * key is released. 624 */ 625 scon->ignore_hotkeys = get_mod_state(); 626 break; 627 case SDL_WINDOWEVENT_FOCUS_LOST: 628 if (qemu_console_is_graphic(scon->dcl.con)) { 629 win32_kbd_set_window(NULL); 630 } 631 if (gui_grab && !gui_fullscreen) { 632 sdl_grab_end(scon); 633 } 634 break; 635 case SDL_WINDOWEVENT_RESTORED: 636 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT); 637 break; 638 case SDL_WINDOWEVENT_MINIMIZED: 639 update_displaychangelistener(&scon->dcl, 500); 640 break; 641 case SDL_WINDOWEVENT_CLOSE: 642 if (qemu_console_is_graphic(scon->dcl.con)) { 643 if (scon->opts->has_window_close && !scon->opts->window_close) { 644 allow_close = false; 645 } 646 if (allow_close) { 647 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 648 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 649 } 650 } else { 651 SDL_HideWindow(scon->real_window); 652 scon->hidden = true; 653 } 654 break; 655 case SDL_WINDOWEVENT_SHOWN: 656 scon->hidden = false; 657 break; 658 case SDL_WINDOWEVENT_HIDDEN: 659 scon->hidden = true; 660 break; 661 } 662 } 663 664 void sdl2_poll_events(struct sdl2_console *scon) 665 { 666 SDL_Event ev1, *ev = &ev1; 667 bool allow_close = true; 668 int idle = 1; 669 670 if (scon->last_vm_running != runstate_is_running()) { 671 scon->last_vm_running = runstate_is_running(); 672 sdl_update_caption(scon); 673 } 674 675 while (SDL_PollEvent(ev)) { 676 switch (ev->type) { 677 case SDL_KEYDOWN: 678 idle = 0; 679 handle_keydown(ev); 680 break; 681 case SDL_KEYUP: 682 idle = 0; 683 handle_keyup(ev); 684 break; 685 case SDL_TEXTINPUT: 686 idle = 0; 687 handle_textinput(ev); 688 break; 689 case SDL_QUIT: 690 if (scon->opts->has_window_close && !scon->opts->window_close) { 691 allow_close = false; 692 } 693 if (allow_close) { 694 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 695 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 696 } 697 break; 698 case SDL_MOUSEMOTION: 699 idle = 0; 700 handle_mousemotion(ev); 701 break; 702 case SDL_MOUSEBUTTONDOWN: 703 case SDL_MOUSEBUTTONUP: 704 idle = 0; 705 handle_mousebutton(ev); 706 break; 707 case SDL_MOUSEWHEEL: 708 idle = 0; 709 handle_mousewheel(ev); 710 break; 711 case SDL_WINDOWEVENT: 712 handle_windowevent(ev); 713 break; 714 default: 715 break; 716 } 717 } 718 719 if (idle) { 720 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { 721 scon->idle_counter++; 722 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { 723 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; 724 } 725 } 726 } else { 727 scon->idle_counter = 0; 728 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; 729 } 730 } 731 732 static void sdl_mouse_warp(DisplayChangeListener *dcl, 733 int x, int y, bool on) 734 { 735 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl); 736 737 if (!qemu_console_is_graphic(scon->dcl.con)) { 738 return; 739 } 740 741 if (on) { 742 if (!guest_cursor) { 743 sdl_show_cursor(scon); 744 } 745 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 746 SDL_SetCursor(guest_sprite); 747 if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) { 748 SDL_WarpMouseInWindow(scon->real_window, x, y); 749 } 750 } 751 } else if (gui_grab) { 752 sdl_hide_cursor(scon); 753 } 754 guest_cursor = on; 755 guest_x = x, guest_y = y; 756 } 757 758 static void sdl_mouse_define(DisplayChangeListener *dcl, 759 QEMUCursor *c) 760 { 761 762 if (guest_sprite) { 763 SDL_FreeCursor(guest_sprite); 764 } 765 766 if (guest_sprite_surface) { 767 SDL_FreeSurface(guest_sprite_surface); 768 } 769 770 guest_sprite_surface = 771 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, 772 0xff0000, 0x00ff00, 0xff, 0xff000000); 773 774 if (!guest_sprite_surface) { 775 fprintf(stderr, "Failed to make rgb surface from %p\n", c); 776 return; 777 } 778 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, 779 c->hot_x, c->hot_y); 780 if (!guest_sprite) { 781 fprintf(stderr, "Failed to make color cursor from %p\n", c); 782 return; 783 } 784 if (guest_cursor && 785 (gui_grab || qemu_input_is_absolute(dcl->con) || absolute_enabled)) { 786 SDL_SetCursor(guest_sprite); 787 } 788 } 789 790 static void sdl_cleanup(void) 791 { 792 if (guest_sprite) { 793 SDL_FreeCursor(guest_sprite); 794 } 795 SDL_QuitSubSystem(SDL_INIT_VIDEO); 796 } 797 798 static const DisplayChangeListenerOps dcl_2d_ops = { 799 .dpy_name = "sdl2-2d", 800 .dpy_gfx_update = sdl2_2d_update, 801 .dpy_gfx_switch = sdl2_2d_switch, 802 .dpy_gfx_check_format = sdl2_2d_check_format, 803 .dpy_refresh = sdl2_2d_refresh, 804 .dpy_mouse_set = sdl_mouse_warp, 805 .dpy_cursor_define = sdl_mouse_define, 806 }; 807 808 #ifdef CONFIG_OPENGL 809 static const DisplayChangeListenerOps dcl_gl_ops = { 810 .dpy_name = "sdl2-gl", 811 .dpy_gfx_update = sdl2_gl_update, 812 .dpy_gfx_switch = sdl2_gl_switch, 813 .dpy_gfx_check_format = console_gl_check_format, 814 .dpy_refresh = sdl2_gl_refresh, 815 .dpy_mouse_set = sdl_mouse_warp, 816 .dpy_cursor_define = sdl_mouse_define, 817 818 .dpy_gl_scanout_disable = sdl2_gl_scanout_disable, 819 .dpy_gl_scanout_texture = sdl2_gl_scanout_texture, 820 .dpy_gl_update = sdl2_gl_scanout_flush, 821 }; 822 823 static bool 824 sdl2_gl_is_compatible_dcl(DisplayGLCtx *dgc, 825 DisplayChangeListener *dcl) 826 { 827 return dcl->ops == &dcl_gl_ops; 828 } 829 830 static const DisplayGLCtxOps gl_ctx_ops = { 831 .dpy_gl_ctx_is_compatible_dcl = sdl2_gl_is_compatible_dcl, 832 .dpy_gl_ctx_create = sdl2_gl_create_context, 833 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context, 834 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current, 835 }; 836 #endif 837 838 static void sdl2_display_early_init(DisplayOptions *o) 839 { 840 assert(o->type == DISPLAY_TYPE_SDL); 841 if (o->has_gl && o->gl) { 842 #ifdef CONFIG_OPENGL 843 display_opengl = 1; 844 #endif 845 } 846 } 847 848 static void sdl2_display_init(DisplayState *ds, DisplayOptions *o) 849 { 850 uint8_t data = 0; 851 int i; 852 SDL_SysWMinfo info; 853 SDL_Surface *icon = NULL; 854 char *dir; 855 856 assert(o->type == DISPLAY_TYPE_SDL); 857 858 if (SDL_GetHintBoolean("QEMU_ENABLE_SDL_LOGGING", SDL_FALSE)) { 859 SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE); 860 } 861 862 if (SDL_Init(SDL_INIT_VIDEO)) { 863 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", 864 SDL_GetError()); 865 exit(1); 866 } 867 #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */ 868 SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); 869 #endif 870 #ifndef CONFIG_WIN32 871 /* QEMU uses its own low level keyboard hook procedure on Windows */ 872 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); 873 #endif 874 #ifdef SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED 875 SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0"); 876 #endif 877 SDL_SetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, "1"); 878 SDL_EnableScreenSaver(); 879 memset(&info, 0, sizeof(info)); 880 SDL_VERSION(&info.version); 881 882 gui_fullscreen = o->has_full_screen && o->full_screen; 883 884 if (o->u.sdl.has_grab_mod) { 885 if (o->u.sdl.grab_mod == HOT_KEY_MOD_LSHIFT_LCTRL_LALT) { 886 alt_grab = true; 887 } else if (o->u.sdl.grab_mod == HOT_KEY_MOD_RCTRL) { 888 ctrl_grab = true; 889 } 890 } 891 892 for (i = 0;; i++) { 893 QemuConsole *con = qemu_console_lookup_by_index(i); 894 if (!con) { 895 break; 896 } 897 } 898 sdl2_num_outputs = i; 899 if (sdl2_num_outputs == 0) { 900 return; 901 } 902 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs); 903 for (i = 0; i < sdl2_num_outputs; i++) { 904 QemuConsole *con = qemu_console_lookup_by_index(i); 905 assert(con != NULL); 906 if (!qemu_console_is_graphic(con) && 907 qemu_console_get_index(con) != 0) { 908 sdl2_console[i].hidden = true; 909 } 910 sdl2_console[i].idx = i; 911 sdl2_console[i].opts = o; 912 #ifdef CONFIG_OPENGL 913 sdl2_console[i].opengl = display_opengl; 914 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops; 915 sdl2_console[i].dgc.ops = display_opengl ? &gl_ctx_ops : NULL; 916 #else 917 sdl2_console[i].opengl = 0; 918 sdl2_console[i].dcl.ops = &dcl_2d_ops; 919 #endif 920 sdl2_console[i].dcl.con = con; 921 sdl2_console[i].kbd = qkbd_state_init(con); 922 if (display_opengl) { 923 qemu_console_set_display_gl_ctx(con, &sdl2_console[i].dgc); 924 } 925 register_displaychangelistener(&sdl2_console[i].dcl); 926 927 #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11) 928 if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) { 929 #if defined(SDL_VIDEO_DRIVER_WINDOWS) 930 qemu_console_set_window_id(con, (uintptr_t)info.info.win.window); 931 #elif defined(SDL_VIDEO_DRIVER_X11) 932 qemu_console_set_window_id(con, info.info.x11.window); 933 #endif 934 } 935 #endif 936 } 937 938 #ifdef CONFIG_SDL_IMAGE 939 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/128x128/apps/qemu.png"); 940 icon = IMG_Load(dir); 941 #else 942 /* Load a 32x32x4 image. White pixels are transparent. */ 943 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/32x32/apps/qemu.bmp"); 944 icon = SDL_LoadBMP(dir); 945 if (icon) { 946 uint32_t colorkey = SDL_MapRGB(icon->format, 255, 255, 255); 947 SDL_SetColorKey(icon, SDL_TRUE, colorkey); 948 } 949 #endif 950 g_free(dir); 951 if (icon) { 952 SDL_SetWindowIcon(sdl2_console[0].real_window, icon); 953 } 954 955 mouse_mode_notifier.notify = sdl_mouse_mode_change; 956 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); 957 958 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); 959 sdl_cursor_normal = SDL_GetCursor(); 960 961 if (gui_fullscreen) { 962 sdl_grab_start(&sdl2_console[0]); 963 } 964 965 atexit(sdl_cleanup); 966 } 967 968 static QemuDisplay qemu_display_sdl2 = { 969 .type = DISPLAY_TYPE_SDL, 970 .early_init = sdl2_display_early_init, 971 .init = sdl2_display_init, 972 }; 973 974 static void register_sdl1(void) 975 { 976 qemu_display_register(&qemu_display_sdl2); 977 } 978 979 type_init(register_sdl1); 980 981 #ifdef CONFIG_OPENGL 982 module_dep("ui-opengl"); 983 #endif 984
