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 "ui/win32-kbd-hook.h" 36 #include "qemu/log.h" 37 #include "qemu-main.h" 38 39 static int sdl2_num_outputs; 40 static struct sdl2_console *sdl2_console; 41 42 static SDL_Surface *guest_sprite_surface; 43 static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ 44 static bool alt_grab; 45 static bool ctrl_grab; 46 47 static int gui_saved_grab; 48 static int gui_fullscreen; 49 static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; 50 static SDL_Cursor *sdl_cursor_normal; 51 static SDL_Cursor *sdl_cursor_hidden; 52 static int absolute_enabled; 53 static bool guest_cursor; 54 static int guest_x, guest_y; 55 static SDL_Cursor *guest_sprite; 56 static Notifier mouse_mode_notifier; 57 58 #define SDL2_REFRESH_INTERVAL_BUSY 10 59 #define SDL2_MAX_IDLE_COUNT (2 * GUI_REFRESH_INTERVAL_DEFAULT \ 60 / SDL2_REFRESH_INTERVAL_BUSY + 1) 61 62 /* introduced in SDL 2.0.10 */ 63 #ifndef SDL_HINT_RENDER_BATCHING 64 #define SDL_HINT_RENDER_BATCHING "SDL_RENDER_BATCHING" 65 #endif 66 67 static void sdl_update_caption(struct sdl2_console *scon); 68 69 static struct sdl2_console *get_scon_from_window(uint32_t window_id) 70 { 71 int i; 72 for (i = 0; i < sdl2_num_outputs; i++) { 73 if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) { 74 return &sdl2_console[i]; 75 } 76 } 77 return NULL; 78 } 79 80 void sdl2_window_create(struct sdl2_console *scon) 81 { 82 int flags = 0; 83 84 if (!scon->surface) { 85 return; 86 } 87 assert(!scon->real_window); 88 89 if (gui_fullscreen) { 90 flags |= SDL_WINDOW_FULLSCREEN_DESKTOP; 91 } else { 92 flags |= SDL_WINDOW_RESIZABLE; 93 } 94 if (scon->hidden) { 95 flags |= SDL_WINDOW_HIDDEN; 96 } 97 #ifdef CONFIG_OPENGL 98 if (scon->opengl) { 99 flags |= SDL_WINDOW_OPENGL; 100 } 101 #endif 102 103 scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, 104 SDL_WINDOWPOS_UNDEFINED, 105 surface_width(scon->surface), 106 surface_height(scon->surface), 107 flags); 108 if (scon->opengl) { 109 const char *driver = "opengl"; 110 111 if (scon->opts->gl == DISPLAY_GL_MODE_ES) { 112 driver = "opengles2"; 113 } 114 115 SDL_SetHint(SDL_HINT_RENDER_DRIVER, driver); 116 SDL_SetHint(SDL_HINT_RENDER_BATCHING, "1"); 117 118 scon->winctx = SDL_GL_CreateContext(scon->real_window); 119 SDL_GL_SetSwapInterval(0); 120 } else { 121 /* The SDL renderer is only used by sdl2-2D, when OpenGL is disabled */ 122 scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0); 123 } 124 sdl_update_caption(scon); 125 } 126 127 void sdl2_window_destroy(struct sdl2_console *scon) 128 { 129 if (!scon->real_window) { 130 return; 131 } 132 133 if (scon->winctx) { 134 SDL_GL_DeleteContext(scon->winctx); 135 scon->winctx = NULL; 136 } 137 if (scon->real_renderer) { 138 SDL_DestroyRenderer(scon->real_renderer); 139 scon->real_renderer = NULL; 140 } 141 SDL_DestroyWindow(scon->real_window); 142 scon->real_window = NULL; 143 } 144 145 void sdl2_window_resize(struct sdl2_console *scon) 146 { 147 if (!scon->real_window) { 148 return; 149 } 150 151 SDL_SetWindowSize(scon->real_window, 152 surface_width(scon->surface), 153 surface_height(scon->surface)); 154 } 155 156 static void sdl2_redraw(struct sdl2_console *scon) 157 { 158 if (scon->opengl) { 159 #ifdef CONFIG_OPENGL 160 sdl2_gl_redraw(scon); 161 #endif 162 } else { 163 sdl2_2d_redraw(scon); 164 } 165 } 166 167 static void sdl_update_caption(struct sdl2_console *scon) 168 { 169 char win_title[1024]; 170 char icon_title[1024]; 171 const char *status = ""; 172 173 if (!runstate_is_running()) { 174 status = " [Stopped]"; 175 } else if (gui_grab) { 176 if (alt_grab) { 177 #ifdef CONFIG_DARWIN 178 status = " - Press ⌃⌥⇧G to exit grab"; 179 #else 180 status = " - Press Ctrl-Alt-Shift-G to exit grab"; 181 #endif 182 } else if (ctrl_grab) { 183 status = " - Press Right-Ctrl-G to exit grab"; 184 } else { 185 #ifdef CONFIG_DARWIN 186 status = " - Press ⌃⌥G to exit grab"; 187 #else 188 status = " - Press Ctrl-Alt-G to exit grab"; 189 #endif 190 } 191 } 192 193 if (qemu_name) { 194 snprintf(win_title, sizeof(win_title), "QEMU (%s-%d)%s", qemu_name, 195 scon->idx, status); 196 snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); 197 } else { 198 snprintf(win_title, sizeof(win_title), "QEMU%s", status); 199 snprintf(icon_title, sizeof(icon_title), "QEMU"); 200 } 201 202 if (scon->real_window) { 203 SDL_SetWindowTitle(scon->real_window, win_title); 204 } 205 } 206 207 static void sdl_hide_cursor(struct sdl2_console *scon) 208 { 209 if (scon->opts->has_show_cursor && scon->opts->show_cursor) { 210 return; 211 } 212 213 SDL_ShowCursor(SDL_DISABLE); 214 SDL_SetCursor(sdl_cursor_hidden); 215 216 if (!qemu_input_is_absolute(scon->dcl.con)) { 217 SDL_SetRelativeMouseMode(SDL_TRUE); 218 } 219 } 220 221 static void sdl_show_cursor(struct sdl2_console *scon) 222 { 223 if (scon->opts->has_show_cursor && scon->opts->show_cursor) { 224 return; 225 } 226 227 if (!qemu_input_is_absolute(scon->dcl.con)) { 228 SDL_SetRelativeMouseMode(SDL_FALSE); 229 } 230 231 if (guest_cursor && 232 (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) { 233 SDL_SetCursor(guest_sprite); 234 } else { 235 SDL_SetCursor(sdl_cursor_normal); 236 } 237 238 SDL_ShowCursor(SDL_ENABLE); 239 } 240 241 static void sdl_grab_start(struct sdl2_console *scon) 242 { 243 QemuConsole *con = scon ? scon->dcl.con : NULL; 244 245 if (!con || !qemu_console_is_graphic(con)) { 246 return; 247 } 248 /* 249 * If the application is not active, do not try to enter grab state. This 250 * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the 251 * application (SDL bug). 252 */ 253 if (!(SDL_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) { 254 return; 255 } 256 if (guest_cursor) { 257 SDL_SetCursor(guest_sprite); 258 if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) { 259 SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y); 260 } 261 } else { 262 sdl_hide_cursor(scon); 263 } 264 SDL_SetWindowGrab(scon->real_window, SDL_TRUE); 265 gui_grab = 1; 266 win32_kbd_set_grab(true); 267 sdl_update_caption(scon); 268 } 269 270 static void sdl_grab_end(struct sdl2_console *scon) 271 { 272 SDL_SetWindowGrab(scon->real_window, SDL_FALSE); 273 gui_grab = 0; 274 win32_kbd_set_grab(false); 275 sdl_show_cursor(scon); 276 sdl_update_caption(scon); 277 } 278 279 static void absolute_mouse_grab(struct sdl2_console *scon) 280 { 281 int mouse_x, mouse_y; 282 int scr_w, scr_h; 283 SDL_GetMouseState(&mouse_x, &mouse_y); 284 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 285 if (mouse_x > 0 && mouse_x < scr_w - 1 && 286 mouse_y > 0 && mouse_y < scr_h - 1) { 287 sdl_grab_start(scon); 288 } 289 } 290 291 static void sdl_mouse_mode_change(Notifier *notify, void *data) 292 { 293 if (qemu_input_is_absolute(sdl2_console[0].dcl.con)) { 294 if (!absolute_enabled) { 295 absolute_enabled = 1; 296 SDL_SetRelativeMouseMode(SDL_FALSE); 297 absolute_mouse_grab(&sdl2_console[0]); 298 } 299 } else if (absolute_enabled) { 300 if (!gui_fullscreen) { 301 sdl_grab_end(&sdl2_console[0]); 302 } 303 absolute_enabled = 0; 304 } 305 } 306 307 static void sdl_send_mouse_event(struct sdl2_console *scon, int dx, int dy, 308 int x, int y, int state) 309 { 310 static uint32_t bmap[INPUT_BUTTON__MAX] = { 311 [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT), 312 [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE), 313 [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT), 314 [INPUT_BUTTON_SIDE] = SDL_BUTTON(SDL_BUTTON_X1), 315 [INPUT_BUTTON_EXTRA] = SDL_BUTTON(SDL_BUTTON_X2) 316 }; 317 static uint32_t prev_state; 318 319 if (prev_state != state) { 320 qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state); 321 prev_state = state; 322 } 323 324 if (qemu_input_is_absolute(scon->dcl.con)) { 325 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, 326 x, 0, surface_width(scon->surface)); 327 qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, 328 y, 0, surface_height(scon->surface)); 329 } else { 330 if (guest_cursor) { 331 x -= guest_x; 332 y -= guest_y; 333 guest_x += x; 334 guest_y += y; 335 dx = x; 336 dy = y; 337 } 338 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_X, dx); 339 qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy); 340 } 341 qemu_input_event_sync(); 342 } 343 344 static void toggle_full_screen(struct sdl2_console *scon) 345 { 346 gui_fullscreen = !gui_fullscreen; 347 if (gui_fullscreen) { 348 SDL_SetWindowFullscreen(scon->real_window, 349 SDL_WINDOW_FULLSCREEN_DESKTOP); 350 gui_saved_grab = gui_grab; 351 sdl_grab_start(scon); 352 } else { 353 if (!gui_saved_grab) { 354 sdl_grab_end(scon); 355 } 356 SDL_SetWindowFullscreen(scon->real_window, 0); 357 } 358 sdl2_redraw(scon); 359 } 360 361 static int get_mod_state(void) 362 { 363 SDL_Keymod mod = SDL_GetModState(); 364 365 if (alt_grab) { 366 return (mod & (gui_grab_code | KMOD_LSHIFT)) == 367 (gui_grab_code | KMOD_LSHIFT); 368 } else if (ctrl_grab) { 369 return (mod & KMOD_RCTRL) == KMOD_RCTRL; 370 } else { 371 return (mod & gui_grab_code) == gui_grab_code; 372 } 373 } 374 375 static void *sdl2_win32_get_hwnd(struct sdl2_console *scon) 376 { 377 #ifdef CONFIG_WIN32 378 SDL_SysWMinfo info; 379 380 SDL_VERSION(&info.version); 381 if (SDL_GetWindowWMInfo(scon->real_window, &info)) { 382 return info.info.win.window; 383 } 384 #endif 385 return NULL; 386 } 387 388 static void handle_keydown(SDL_Event *ev) 389 { 390 int win; 391 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 392 int gui_key_modifier_pressed = get_mod_state(); 393 394 if (!scon) { 395 return; 396 } 397 398 scon->gui_keysym = false; 399 400 if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) { 401 switch (ev->key.keysym.scancode) { 402 case SDL_SCANCODE_2: 403 case SDL_SCANCODE_3: 404 case SDL_SCANCODE_4: 405 case SDL_SCANCODE_5: 406 case SDL_SCANCODE_6: 407 case SDL_SCANCODE_7: 408 case SDL_SCANCODE_8: 409 case SDL_SCANCODE_9: 410 if (gui_grab) { 411 sdl_grab_end(scon); 412 } 413 414 win = ev->key.keysym.scancode - SDL_SCANCODE_1; 415 if (win < sdl2_num_outputs) { 416 sdl2_console[win].hidden = !sdl2_console[win].hidden; 417 if (sdl2_console[win].real_window) { 418 if (sdl2_console[win].hidden) { 419 SDL_HideWindow(sdl2_console[win].real_window); 420 } else { 421 SDL_ShowWindow(sdl2_console[win].real_window); 422 } 423 } 424 sdl2_release_modifiers(scon); 425 scon->gui_keysym = true; 426 } 427 break; 428 case SDL_SCANCODE_F: 429 toggle_full_screen(scon); 430 scon->gui_keysym = true; 431 break; 432 case SDL_SCANCODE_G: 433 scon->gui_keysym = true; 434 if (!gui_grab) { 435 sdl_grab_start(scon); 436 } else if (!gui_fullscreen) { 437 sdl_grab_end(scon); 438 } 439 break; 440 case SDL_SCANCODE_U: 441 sdl2_window_resize(scon); 442 if (!scon->opengl) { 443 /* re-create scon->texture */ 444 sdl2_2d_switch(&scon->dcl, scon->surface); 445 } 446 scon->gui_keysym = true; 447 break; 448 #if 0 449 case SDL_SCANCODE_KP_PLUS: 450 case SDL_SCANCODE_KP_MINUS: 451 if (!gui_fullscreen) { 452 int scr_w, scr_h; 453 int width, height; 454 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 455 456 width = MAX(scr_w + (ev->key.keysym.scancode == 457 SDL_SCANCODE_KP_PLUS ? 50 : -50), 458 160); 459 height = (surface_height(scon->surface) * width) / 460 surface_width(scon->surface); 461 fprintf(stderr, "%s: scale to %dx%d\n", 462 __func__, width, height); 463 sdl_scale(scon, width, height); 464 sdl2_redraw(scon); 465 scon->gui_keysym = true; 466 } 467 #endif 468 default: 469 break; 470 } 471 } 472 if (!scon->gui_keysym) { 473 sdl2_process_key(scon, &ev->key); 474 } 475 } 476 477 static void handle_keyup(SDL_Event *ev) 478 { 479 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 480 481 if (!scon) { 482 return; 483 } 484 485 scon->ignore_hotkeys = false; 486 sdl2_process_key(scon, &ev->key); 487 } 488 489 static void handle_textinput(SDL_Event *ev) 490 { 491 struct sdl2_console *scon = get_scon_from_window(ev->text.windowID); 492 QemuConsole *con = scon ? scon->dcl.con : NULL; 493 494 if (!con) { 495 return; 496 } 497 498 if (!scon->gui_keysym && QEMU_IS_TEXT_CONSOLE(con)) { 499 qemu_text_console_put_string(QEMU_TEXT_CONSOLE(con), ev->text.text, strlen(ev->text.text)); 500 } 501 } 502 503 static void handle_mousemotion(SDL_Event *ev) 504 { 505 int max_x, max_y; 506 struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID); 507 508 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 509 return; 510 } 511 512 if (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 513 int scr_w, scr_h; 514 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 515 max_x = scr_w - 1; 516 max_y = scr_h - 1; 517 if (gui_grab && !gui_fullscreen 518 && (ev->motion.x == 0 || ev->motion.y == 0 || 519 ev->motion.x == max_x || ev->motion.y == max_y)) { 520 sdl_grab_end(scon); 521 } 522 if (!gui_grab && 523 (ev->motion.x > 0 && ev->motion.x < max_x && 524 ev->motion.y > 0 && ev->motion.y < max_y)) { 525 sdl_grab_start(scon); 526 } 527 } 528 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 529 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, 530 ev->motion.x, ev->motion.y, ev->motion.state); 531 } 532 } 533 534 static void handle_mousebutton(SDL_Event *ev) 535 { 536 int buttonstate = SDL_GetMouseState(NULL, NULL); 537 SDL_MouseButtonEvent *bev; 538 struct sdl2_console *scon = get_scon_from_window(ev->button.windowID); 539 540 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 541 return; 542 } 543 544 bev = &ev->button; 545 if (!gui_grab && !qemu_input_is_absolute(scon->dcl.con)) { 546 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { 547 /* start grabbing all events */ 548 sdl_grab_start(scon); 549 } 550 } else { 551 if (ev->type == SDL_MOUSEBUTTONDOWN) { 552 buttonstate |= SDL_BUTTON(bev->button); 553 } else { 554 buttonstate &= ~SDL_BUTTON(bev->button); 555 } 556 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); 557 } 558 } 559 560 static void handle_mousewheel(SDL_Event *ev) 561 { 562 struct sdl2_console *scon = get_scon_from_window(ev->wheel.windowID); 563 SDL_MouseWheelEvent *wev = &ev->wheel; 564 InputButton btn; 565 566 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 567 return; 568 } 569 570 if (wev->y > 0) { 571 btn = INPUT_BUTTON_WHEEL_UP; 572 } else if (wev->y < 0) { 573 btn = INPUT_BUTTON_WHEEL_DOWN; 574 } else if (wev->x < 0) { 575 btn = INPUT_BUTTON_WHEEL_RIGHT; 576 } else if (wev->x > 0) { 577 btn = INPUT_BUTTON_WHEEL_LEFT; 578 } else { 579 return; 580 } 581 582 qemu_input_queue_btn(scon->dcl.con, btn, true); 583 qemu_input_event_sync(); 584 qemu_input_queue_btn(scon->dcl.con, btn, false); 585 qemu_input_event_sync(); 586 } 587 588 static void handle_windowevent(SDL_Event *ev) 589 { 590 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID); 591 bool allow_close = true; 592 593 if (!scon) { 594 return; 595 } 596 597 switch (ev->window.event) { 598 case SDL_WINDOWEVENT_RESIZED: 599 { 600 QemuUIInfo info; 601 memset(&info, 0, sizeof(info)); 602 info.width = ev->window.data1; 603 info.height = ev->window.data2; 604 dpy_set_ui_info(scon->dcl.con, &info, true); 605 } 606 sdl2_redraw(scon); 607 break; 608 case SDL_WINDOWEVENT_EXPOSED: 609 sdl2_redraw(scon); 610 break; 611 case SDL_WINDOWEVENT_FOCUS_GAINED: 612 win32_kbd_set_grab(gui_grab); 613 if (qemu_console_is_graphic(scon->dcl.con)) { 614 win32_kbd_set_window(sdl2_win32_get_hwnd(scon)); 615 } 616 /* fall through */ 617 case SDL_WINDOWEVENT_ENTER: 618 if (!gui_grab && (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) { 619 absolute_mouse_grab(scon); 620 } 621 /* If a new console window opened using a hotkey receives the 622 * focus, SDL sends another KEYDOWN event to the new window, 623 * closing the console window immediately after. 624 * 625 * Work around this by ignoring further hotkey events until a 626 * key is released. 627 */ 628 scon->ignore_hotkeys = get_mod_state(); 629 break; 630 case SDL_WINDOWEVENT_FOCUS_LOST: 631 if (qemu_console_is_graphic(scon->dcl.con)) { 632 win32_kbd_set_window(NULL); 633 } 634 if (gui_grab && !gui_fullscreen) { 635 sdl_grab_end(scon); 636 } 637 break; 638 case SDL_WINDOWEVENT_RESTORED: 639 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT); 640 break; 641 case SDL_WINDOWEVENT_MINIMIZED: 642 update_displaychangelistener(&scon->dcl, 500); 643 break; 644 case SDL_WINDOWEVENT_CLOSE: 645 if (qemu_console_is_graphic(scon->dcl.con)) { 646 if (scon->opts->has_window_close && !scon->opts->window_close) { 647 allow_close = false; 648 } 649 if (allow_close) { 650 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 651 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 652 } 653 } else { 654 SDL_HideWindow(scon->real_window); 655 scon->hidden = true; 656 } 657 break; 658 case SDL_WINDOWEVENT_SHOWN: 659 scon->hidden = false; 660 break; 661 case SDL_WINDOWEVENT_HIDDEN: 662 scon->hidden = true; 663 break; 664 } 665 } 666 667 void sdl2_poll_events(struct sdl2_console *scon) 668 { 669 SDL_Event ev1, *ev = &ev1; 670 bool allow_close = true; 671 int idle = 1; 672 673 if (scon->last_vm_running != runstate_is_running()) { 674 scon->last_vm_running = runstate_is_running(); 675 sdl_update_caption(scon); 676 } 677 678 while (SDL_PollEvent(ev)) { 679 switch (ev->type) { 680 case SDL_KEYDOWN: 681 idle = 0; 682 handle_keydown(ev); 683 break; 684 case SDL_KEYUP: 685 idle = 0; 686 handle_keyup(ev); 687 break; 688 case SDL_TEXTINPUT: 689 idle = 0; 690 handle_textinput(ev); 691 break; 692 case SDL_QUIT: 693 if (scon->opts->has_window_close && !scon->opts->window_close) { 694 allow_close = false; 695 } 696 if (allow_close) { 697 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 698 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 699 } 700 break; 701 case SDL_MOUSEMOTION: 702 idle = 0; 703 handle_mousemotion(ev); 704 break; 705 case SDL_MOUSEBUTTONDOWN: 706 case SDL_MOUSEBUTTONUP: 707 idle = 0; 708 handle_mousebutton(ev); 709 break; 710 case SDL_MOUSEWHEEL: 711 idle = 0; 712 handle_mousewheel(ev); 713 break; 714 case SDL_WINDOWEVENT: 715 handle_windowevent(ev); 716 break; 717 default: 718 break; 719 } 720 } 721 722 if (idle) { 723 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { 724 scon->idle_counter++; 725 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { 726 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; 727 } 728 } 729 } else { 730 scon->idle_counter = 0; 731 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; 732 } 733 } 734 735 static void sdl_mouse_warp(DisplayChangeListener *dcl, 736 int x, int y, bool on) 737 { 738 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl); 739 740 if (!qemu_console_is_graphic(scon->dcl.con)) { 741 return; 742 } 743 744 if (on) { 745 if (!guest_cursor) { 746 sdl_show_cursor(scon); 747 } 748 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 749 SDL_SetCursor(guest_sprite); 750 if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) { 751 SDL_WarpMouseInWindow(scon->real_window, x, y); 752 } 753 } 754 } else if (gui_grab) { 755 sdl_hide_cursor(scon); 756 } 757 guest_cursor = on; 758 guest_x = x, guest_y = y; 759 } 760 761 static void sdl_mouse_define(DisplayChangeListener *dcl, 762 QEMUCursor *c) 763 { 764 765 if (guest_sprite) { 766 SDL_FreeCursor(guest_sprite); 767 } 768 769 if (guest_sprite_surface) { 770 SDL_FreeSurface(guest_sprite_surface); 771 } 772 773 guest_sprite_surface = 774 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, 775 0xff0000, 0x00ff00, 0xff, 0xff000000); 776 777 if (!guest_sprite_surface) { 778 fprintf(stderr, "Failed to make rgb surface from %p\n", c); 779 return; 780 } 781 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, 782 c->hot_x, c->hot_y); 783 if (!guest_sprite) { 784 fprintf(stderr, "Failed to make color cursor from %p\n", c); 785 return; 786 } 787 if (guest_cursor && 788 (gui_grab || qemu_input_is_absolute(dcl->con) || absolute_enabled)) { 789 SDL_SetCursor(guest_sprite); 790 } 791 } 792 793 static void sdl_cleanup(void) 794 { 795 if (guest_sprite) { 796 SDL_FreeCursor(guest_sprite); 797 } 798 SDL_QuitSubSystem(SDL_INIT_VIDEO); 799 } 800 801 static const DisplayChangeListenerOps dcl_2d_ops = { 802 .dpy_name = "sdl2-2d", 803 .dpy_gfx_update = sdl2_2d_update, 804 .dpy_gfx_switch = sdl2_2d_switch, 805 .dpy_gfx_check_format = sdl2_2d_check_format, 806 .dpy_refresh = sdl2_2d_refresh, 807 .dpy_mouse_set = sdl_mouse_warp, 808 .dpy_cursor_define = sdl_mouse_define, 809 }; 810 811 #ifdef CONFIG_OPENGL 812 static const DisplayChangeListenerOps dcl_gl_ops = { 813 .dpy_name = "sdl2-gl", 814 .dpy_gfx_update = sdl2_gl_update, 815 .dpy_gfx_switch = sdl2_gl_switch, 816 .dpy_gfx_check_format = console_gl_check_format, 817 .dpy_refresh = sdl2_gl_refresh, 818 .dpy_mouse_set = sdl_mouse_warp, 819 .dpy_cursor_define = sdl_mouse_define, 820 821 .dpy_gl_scanout_disable = sdl2_gl_scanout_disable, 822 .dpy_gl_scanout_texture = sdl2_gl_scanout_texture, 823 .dpy_gl_update = sdl2_gl_scanout_flush, 824 }; 825 826 static bool 827 sdl2_gl_is_compatible_dcl(DisplayGLCtx *dgc, 828 DisplayChangeListener *dcl) 829 { 830 return dcl->ops == &dcl_gl_ops; 831 } 832 833 static const DisplayGLCtxOps gl_ctx_ops = { 834 .dpy_gl_ctx_is_compatible_dcl = sdl2_gl_is_compatible_dcl, 835 .dpy_gl_ctx_create = sdl2_gl_create_context, 836 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context, 837 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current, 838 }; 839 #endif 840 841 static void sdl2_display_early_init(DisplayOptions *o) 842 { 843 assert(o->type == DISPLAY_TYPE_SDL); 844 if (o->has_gl && o->gl) { 845 #ifdef CONFIG_OPENGL 846 display_opengl = 1; 847 #endif 848 } 849 } 850 851 static void sdl2_display_init(DisplayState *ds, DisplayOptions *o) 852 { 853 uint8_t data = 0; 854 int i; 855 SDL_SysWMinfo info; 856 SDL_Surface *icon = NULL; 857 char *dir; 858 859 assert(o->type == DISPLAY_TYPE_SDL); 860 861 if (SDL_GetHintBoolean("QEMU_ENABLE_SDL_LOGGING", SDL_FALSE)) { 862 SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE); 863 } 864 865 if (SDL_Init(SDL_INIT_VIDEO)) { 866 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", 867 SDL_GetError()); 868 exit(1); 869 } 870 #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */ 871 SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); 872 #endif 873 #ifndef CONFIG_WIN32 874 /* QEMU uses its own low level keyboard hook procedure on Windows */ 875 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); 876 #endif 877 #ifdef SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED 878 SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0"); 879 #endif 880 SDL_SetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, "1"); 881 SDL_EnableScreenSaver(); 882 memset(&info, 0, sizeof(info)); 883 SDL_VERSION(&info.version); 884 885 gui_fullscreen = o->has_full_screen && o->full_screen; 886 887 if (o->u.sdl.has_grab_mod) { 888 if (o->u.sdl.grab_mod == HOT_KEY_MOD_LSHIFT_LCTRL_LALT) { 889 alt_grab = true; 890 } else if (o->u.sdl.grab_mod == HOT_KEY_MOD_RCTRL) { 891 ctrl_grab = true; 892 } 893 } 894 895 for (i = 0;; i++) { 896 QemuConsole *con = qemu_console_lookup_by_index(i); 897 if (!con) { 898 break; 899 } 900 } 901 sdl2_num_outputs = i; 902 if (sdl2_num_outputs == 0) { 903 return; 904 } 905 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs); 906 for (i = 0; i < sdl2_num_outputs; i++) { 907 QemuConsole *con = qemu_console_lookup_by_index(i); 908 assert(con != NULL); 909 if (!qemu_console_is_graphic(con) && 910 qemu_console_get_index(con) != 0) { 911 sdl2_console[i].hidden = true; 912 } 913 sdl2_console[i].idx = i; 914 sdl2_console[i].opts = o; 915 #ifdef CONFIG_OPENGL 916 sdl2_console[i].opengl = display_opengl; 917 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops; 918 sdl2_console[i].dgc.ops = display_opengl ? &gl_ctx_ops : NULL; 919 #else 920 sdl2_console[i].opengl = 0; 921 sdl2_console[i].dcl.ops = &dcl_2d_ops; 922 #endif 923 sdl2_console[i].dcl.con = con; 924 sdl2_console[i].kbd = qkbd_state_init(con); 925 if (display_opengl) { 926 qemu_console_set_display_gl_ctx(con, &sdl2_console[i].dgc); 927 } 928 register_displaychangelistener(&sdl2_console[i].dcl); 929 930 #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11) 931 if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) { 932 #if defined(SDL_VIDEO_DRIVER_WINDOWS) 933 qemu_console_set_window_id(con, (uintptr_t)info.info.win.window); 934 #elif defined(SDL_VIDEO_DRIVER_X11) 935 qemu_console_set_window_id(con, info.info.x11.window); 936 #endif 937 } 938 #endif 939 } 940 941 #ifdef CONFIG_SDL_IMAGE 942 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/128x128/apps/qemu.png"); 943 icon = IMG_Load(dir); 944 #else 945 /* Load a 32x32x4 image. White pixels are transparent. */ 946 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/32x32/apps/qemu.bmp"); 947 icon = SDL_LoadBMP(dir); 948 if (icon) { 949 uint32_t colorkey = SDL_MapRGB(icon->format, 255, 255, 255); 950 SDL_SetColorKey(icon, SDL_TRUE, colorkey); 951 } 952 #endif 953 g_free(dir); 954 if (icon) { 955 SDL_SetWindowIcon(sdl2_console[0].real_window, icon); 956 } 957 958 mouse_mode_notifier.notify = sdl_mouse_mode_change; 959 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); 960 961 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); 962 sdl_cursor_normal = SDL_GetCursor(); 963 964 if (gui_fullscreen) { 965 sdl_grab_start(&sdl2_console[0]); 966 } 967 968 atexit(sdl_cleanup); 969 970 /* SDL's event polling (in dpy_refresh) must happen on the main thread. */ 971 qemu_main = NULL; 972 } 973 974 static QemuDisplay qemu_display_sdl2 = { 975 .type = DISPLAY_TYPE_SDL, 976 .early_init = sdl2_display_early_init, 977 .init = sdl2_display_init, 978 }; 979 980 static void register_sdl1(void) 981 { 982 qemu_display_register(&qemu_display_sdl2); 983 } 984 985 type_init(register_sdl1); 986 987 #ifdef CONFIG_OPENGL 988 module_dep("ui-opengl"); 989 #endif 990
