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_IS_TEXT_CONSOLE(con)) { 487 qemu_text_console_put_string(QEMU_TEXT_CONSOLE(con), ev->text.text, strlen(ev->text.text)); 488 } 489 } 490 491 static void handle_mousemotion(SDL_Event *ev) 492 { 493 int max_x, max_y; 494 struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID); 495 496 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 497 return; 498 } 499 500 if (qemu_input_is_absolute() || absolute_enabled) { 501 int scr_w, scr_h; 502 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 503 max_x = scr_w - 1; 504 max_y = scr_h - 1; 505 if (gui_grab && !gui_fullscreen 506 && (ev->motion.x == 0 || ev->motion.y == 0 || 507 ev->motion.x == max_x || ev->motion.y == max_y)) { 508 sdl_grab_end(scon); 509 } 510 if (!gui_grab && 511 (ev->motion.x > 0 && ev->motion.x < max_x && 512 ev->motion.y > 0 && ev->motion.y < max_y)) { 513 sdl_grab_start(scon); 514 } 515 } 516 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { 517 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, 518 ev->motion.x, ev->motion.y, ev->motion.state); 519 } 520 } 521 522 static void handle_mousebutton(SDL_Event *ev) 523 { 524 int buttonstate = SDL_GetMouseState(NULL, NULL); 525 SDL_MouseButtonEvent *bev; 526 struct sdl2_console *scon = get_scon_from_window(ev->button.windowID); 527 528 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 529 return; 530 } 531 532 bev = &ev->button; 533 if (!gui_grab && !qemu_input_is_absolute()) { 534 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { 535 /* start grabbing all events */ 536 sdl_grab_start(scon); 537 } 538 } else { 539 if (ev->type == SDL_MOUSEBUTTONDOWN) { 540 buttonstate |= SDL_BUTTON(bev->button); 541 } else { 542 buttonstate &= ~SDL_BUTTON(bev->button); 543 } 544 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); 545 } 546 } 547 548 static void handle_mousewheel(SDL_Event *ev) 549 { 550 struct sdl2_console *scon = get_scon_from_window(ev->wheel.windowID); 551 SDL_MouseWheelEvent *wev = &ev->wheel; 552 InputButton btn; 553 554 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 555 return; 556 } 557 558 if (wev->y > 0) { 559 btn = INPUT_BUTTON_WHEEL_UP; 560 } else if (wev->y < 0) { 561 btn = INPUT_BUTTON_WHEEL_DOWN; 562 } else if (wev->x < 0) { 563 btn = INPUT_BUTTON_WHEEL_RIGHT; 564 } else if (wev->x > 0) { 565 btn = INPUT_BUTTON_WHEEL_LEFT; 566 } else { 567 return; 568 } 569 570 qemu_input_queue_btn(scon->dcl.con, btn, true); 571 qemu_input_event_sync(); 572 qemu_input_queue_btn(scon->dcl.con, btn, false); 573 qemu_input_event_sync(); 574 } 575 576 static void handle_windowevent(SDL_Event *ev) 577 { 578 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID); 579 bool allow_close = true; 580 581 if (!scon) { 582 return; 583 } 584 585 switch (ev->window.event) { 586 case SDL_WINDOWEVENT_RESIZED: 587 { 588 QemuUIInfo info; 589 memset(&info, 0, sizeof(info)); 590 info.width = ev->window.data1; 591 info.height = ev->window.data2; 592 dpy_set_ui_info(scon->dcl.con, &info, true); 593 } 594 sdl2_redraw(scon); 595 break; 596 case SDL_WINDOWEVENT_EXPOSED: 597 sdl2_redraw(scon); 598 break; 599 case SDL_WINDOWEVENT_FOCUS_GAINED: 600 win32_kbd_set_grab(gui_grab); 601 if (qemu_console_is_graphic(scon->dcl.con)) { 602 win32_kbd_set_window(sdl2_win32_get_hwnd(scon)); 603 } 604 /* fall through */ 605 case SDL_WINDOWEVENT_ENTER: 606 if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) { 607 absolute_mouse_grab(scon); 608 } 609 /* If a new console window opened using a hotkey receives the 610 * focus, SDL sends another KEYDOWN event to the new window, 611 * closing the console window immediately after. 612 * 613 * Work around this by ignoring further hotkey events until a 614 * key is released. 615 */ 616 scon->ignore_hotkeys = get_mod_state(); 617 break; 618 case SDL_WINDOWEVENT_FOCUS_LOST: 619 if (qemu_console_is_graphic(scon->dcl.con)) { 620 win32_kbd_set_window(NULL); 621 } 622 if (gui_grab && !gui_fullscreen) { 623 sdl_grab_end(scon); 624 } 625 break; 626 case SDL_WINDOWEVENT_RESTORED: 627 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT); 628 break; 629 case SDL_WINDOWEVENT_MINIMIZED: 630 update_displaychangelistener(&scon->dcl, 500); 631 break; 632 case SDL_WINDOWEVENT_CLOSE: 633 if (qemu_console_is_graphic(scon->dcl.con)) { 634 if (scon->opts->has_window_close && !scon->opts->window_close) { 635 allow_close = false; 636 } 637 if (allow_close) { 638 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 639 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 640 } 641 } else { 642 SDL_HideWindow(scon->real_window); 643 scon->hidden = true; 644 } 645 break; 646 case SDL_WINDOWEVENT_SHOWN: 647 scon->hidden = false; 648 break; 649 case SDL_WINDOWEVENT_HIDDEN: 650 scon->hidden = true; 651 break; 652 } 653 } 654 655 void sdl2_poll_events(struct sdl2_console *scon) 656 { 657 SDL_Event ev1, *ev = &ev1; 658 bool allow_close = true; 659 int idle = 1; 660 661 if (scon->last_vm_running != runstate_is_running()) { 662 scon->last_vm_running = runstate_is_running(); 663 sdl_update_caption(scon); 664 } 665 666 while (SDL_PollEvent(ev)) { 667 switch (ev->type) { 668 case SDL_KEYDOWN: 669 idle = 0; 670 handle_keydown(ev); 671 break; 672 case SDL_KEYUP: 673 idle = 0; 674 handle_keyup(ev); 675 break; 676 case SDL_TEXTINPUT: 677 idle = 0; 678 handle_textinput(ev); 679 break; 680 case SDL_QUIT: 681 if (scon->opts->has_window_close && !scon->opts->window_close) { 682 allow_close = false; 683 } 684 if (allow_close) { 685 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 686 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 687 } 688 break; 689 case SDL_MOUSEMOTION: 690 idle = 0; 691 handle_mousemotion(ev); 692 break; 693 case SDL_MOUSEBUTTONDOWN: 694 case SDL_MOUSEBUTTONUP: 695 idle = 0; 696 handle_mousebutton(ev); 697 break; 698 case SDL_MOUSEWHEEL: 699 idle = 0; 700 handle_mousewheel(ev); 701 break; 702 case SDL_WINDOWEVENT: 703 handle_windowevent(ev); 704 break; 705 default: 706 break; 707 } 708 } 709 710 if (idle) { 711 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { 712 scon->idle_counter++; 713 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { 714 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; 715 } 716 } 717 } else { 718 scon->idle_counter = 0; 719 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; 720 } 721 } 722 723 static void sdl_mouse_warp(DisplayChangeListener *dcl, 724 int x, int y, int on) 725 { 726 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl); 727 728 if (!qemu_console_is_graphic(scon->dcl.con)) { 729 return; 730 } 731 732 if (on) { 733 if (!guest_cursor) { 734 sdl_show_cursor(scon); 735 } 736 if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { 737 SDL_SetCursor(guest_sprite); 738 if (!qemu_input_is_absolute() && !absolute_enabled) { 739 SDL_WarpMouseInWindow(scon->real_window, x, y); 740 } 741 } 742 } else if (gui_grab) { 743 sdl_hide_cursor(scon); 744 } 745 guest_cursor = on; 746 guest_x = x, guest_y = y; 747 } 748 749 static void sdl_mouse_define(DisplayChangeListener *dcl, 750 QEMUCursor *c) 751 { 752 753 if (guest_sprite) { 754 SDL_FreeCursor(guest_sprite); 755 } 756 757 if (guest_sprite_surface) { 758 SDL_FreeSurface(guest_sprite_surface); 759 } 760 761 guest_sprite_surface = 762 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, 763 0xff0000, 0x00ff00, 0xff, 0xff000000); 764 765 if (!guest_sprite_surface) { 766 fprintf(stderr, "Failed to make rgb surface from %p\n", c); 767 return; 768 } 769 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, 770 c->hot_x, c->hot_y); 771 if (!guest_sprite) { 772 fprintf(stderr, "Failed to make color cursor from %p\n", c); 773 return; 774 } 775 if (guest_cursor && 776 (gui_grab || qemu_input_is_absolute() || absolute_enabled)) { 777 SDL_SetCursor(guest_sprite); 778 } 779 } 780 781 static void sdl_cleanup(void) 782 { 783 if (guest_sprite) { 784 SDL_FreeCursor(guest_sprite); 785 } 786 SDL_QuitSubSystem(SDL_INIT_VIDEO); 787 } 788 789 static const DisplayChangeListenerOps dcl_2d_ops = { 790 .dpy_name = "sdl2-2d", 791 .dpy_gfx_update = sdl2_2d_update, 792 .dpy_gfx_switch = sdl2_2d_switch, 793 .dpy_gfx_check_format = sdl2_2d_check_format, 794 .dpy_refresh = sdl2_2d_refresh, 795 .dpy_mouse_set = sdl_mouse_warp, 796 .dpy_cursor_define = sdl_mouse_define, 797 }; 798 799 #ifdef CONFIG_OPENGL 800 static const DisplayChangeListenerOps dcl_gl_ops = { 801 .dpy_name = "sdl2-gl", 802 .dpy_gfx_update = sdl2_gl_update, 803 .dpy_gfx_switch = sdl2_gl_switch, 804 .dpy_gfx_check_format = console_gl_check_format, 805 .dpy_refresh = sdl2_gl_refresh, 806 .dpy_mouse_set = sdl_mouse_warp, 807 .dpy_cursor_define = sdl_mouse_define, 808 809 .dpy_gl_scanout_disable = sdl2_gl_scanout_disable, 810 .dpy_gl_scanout_texture = sdl2_gl_scanout_texture, 811 .dpy_gl_update = sdl2_gl_scanout_flush, 812 }; 813 814 static bool 815 sdl2_gl_is_compatible_dcl(DisplayGLCtx *dgc, 816 DisplayChangeListener *dcl) 817 { 818 return dcl->ops == &dcl_gl_ops; 819 } 820 821 static const DisplayGLCtxOps gl_ctx_ops = { 822 .dpy_gl_ctx_is_compatible_dcl = sdl2_gl_is_compatible_dcl, 823 .dpy_gl_ctx_create = sdl2_gl_create_context, 824 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context, 825 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current, 826 }; 827 #endif 828 829 static void sdl2_display_early_init(DisplayOptions *o) 830 { 831 assert(o->type == DISPLAY_TYPE_SDL); 832 if (o->has_gl && o->gl) { 833 #ifdef CONFIG_OPENGL 834 display_opengl = 1; 835 #endif 836 } 837 } 838 839 static void sdl2_display_init(DisplayState *ds, DisplayOptions *o) 840 { 841 uint8_t data = 0; 842 int i; 843 SDL_SysWMinfo info; 844 SDL_Surface *icon = NULL; 845 char *dir; 846 847 assert(o->type == DISPLAY_TYPE_SDL); 848 849 if (SDL_GetHintBoolean("QEMU_ENABLE_SDL_LOGGING", SDL_FALSE)) { 850 SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE); 851 } 852 853 if (SDL_Init(SDL_INIT_VIDEO)) { 854 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", 855 SDL_GetError()); 856 exit(1); 857 } 858 #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */ 859 SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); 860 #endif 861 #ifndef CONFIG_WIN32 862 /* QEMU uses its own low level keyboard hook procedure on Windows */ 863 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); 864 #endif 865 #ifdef SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED 866 SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0"); 867 #endif 868 SDL_SetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, "1"); 869 memset(&info, 0, sizeof(info)); 870 SDL_VERSION(&info.version); 871 872 gui_fullscreen = o->has_full_screen && o->full_screen; 873 874 if (o->u.sdl.has_grab_mod) { 875 if (o->u.sdl.grab_mod == HOT_KEY_MOD_LSHIFT_LCTRL_LALT) { 876 alt_grab = true; 877 } else if (o->u.sdl.grab_mod == HOT_KEY_MOD_RCTRL) { 878 ctrl_grab = true; 879 } 880 } 881 882 for (i = 0;; i++) { 883 QemuConsole *con = qemu_console_lookup_by_index(i); 884 if (!con) { 885 break; 886 } 887 } 888 sdl2_num_outputs = i; 889 if (sdl2_num_outputs == 0) { 890 return; 891 } 892 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs); 893 for (i = 0; i < sdl2_num_outputs; i++) { 894 QemuConsole *con = qemu_console_lookup_by_index(i); 895 assert(con != NULL); 896 if (!qemu_console_is_graphic(con) && 897 qemu_console_get_index(con) != 0) { 898 sdl2_console[i].hidden = true; 899 } 900 sdl2_console[i].idx = i; 901 sdl2_console[i].opts = o; 902 #ifdef CONFIG_OPENGL 903 sdl2_console[i].opengl = display_opengl; 904 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops; 905 sdl2_console[i].dgc.ops = display_opengl ? &gl_ctx_ops : NULL; 906 #else 907 sdl2_console[i].opengl = 0; 908 sdl2_console[i].dcl.ops = &dcl_2d_ops; 909 #endif 910 sdl2_console[i].dcl.con = con; 911 sdl2_console[i].kbd = qkbd_state_init(con); 912 if (display_opengl) { 913 qemu_console_set_display_gl_ctx(con, &sdl2_console[i].dgc); 914 } 915 register_displaychangelistener(&sdl2_console[i].dcl); 916 917 #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11) 918 if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) { 919 #if defined(SDL_VIDEO_DRIVER_WINDOWS) 920 qemu_console_set_window_id(con, (uintptr_t)info.info.win.window); 921 #elif defined(SDL_VIDEO_DRIVER_X11) 922 qemu_console_set_window_id(con, info.info.x11.window); 923 #endif 924 } 925 #endif 926 } 927 928 #ifdef CONFIG_SDL_IMAGE 929 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/128x128/apps/qemu.png"); 930 icon = IMG_Load(dir); 931 #else 932 /* Load a 32x32x4 image. White pixels are transparent. */ 933 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/32x32/apps/qemu.bmp"); 934 icon = SDL_LoadBMP(dir); 935 if (icon) { 936 uint32_t colorkey = SDL_MapRGB(icon->format, 255, 255, 255); 937 SDL_SetColorKey(icon, SDL_TRUE, colorkey); 938 } 939 #endif 940 g_free(dir); 941 if (icon) { 942 SDL_SetWindowIcon(sdl2_console[0].real_window, icon); 943 } 944 945 mouse_mode_notifier.notify = sdl_mouse_mode_change; 946 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); 947 948 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); 949 sdl_cursor_normal = SDL_GetCursor(); 950 951 if (gui_fullscreen) { 952 sdl_grab_start(&sdl2_console[0]); 953 } 954 955 atexit(sdl_cleanup); 956 } 957 958 static QemuDisplay qemu_display_sdl2 = { 959 .type = DISPLAY_TYPE_SDL, 960 .early_init = sdl2_display_early_init, 961 .init = sdl2_display_init, 962 }; 963 964 static void register_sdl1(void) 965 { 966 qemu_display_register(&qemu_display_sdl2); 967 } 968 969 type_init(register_sdl1); 970 971 #ifdef CONFIG_OPENGL 972 module_dep("ui-opengl"); 973 #endif 974
