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