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 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(); 392 393 if (!scon) { 394 return; 395 } 396 397 scon->gui_keysym = false; 398 399 if (!scon->ignore_hotkeys && gui_key_modifier_pressed && !ev->key.repeat) { 400 switch (ev->key.keysym.scancode) { 401 case SDL_SCANCODE_2: 402 case SDL_SCANCODE_3: 403 case SDL_SCANCODE_4: 404 case SDL_SCANCODE_5: 405 case SDL_SCANCODE_6: 406 case SDL_SCANCODE_7: 407 case SDL_SCANCODE_8: 408 case SDL_SCANCODE_9: 409 if (gui_grab) { 410 sdl_grab_end(scon); 411 } 412 413 win = ev->key.keysym.scancode - SDL_SCANCODE_1; 414 if (win < sdl2_num_outputs) { 415 sdl2_console[win].hidden = !sdl2_console[win].hidden; 416 if (sdl2_console[win].real_window) { 417 if (sdl2_console[win].hidden) { 418 SDL_HideWindow(sdl2_console[win].real_window); 419 } else { 420 SDL_ShowWindow(sdl2_console[win].real_window); 421 } 422 } 423 sdl2_release_modifiers(scon); 424 scon->gui_keysym = true; 425 } 426 break; 427 case SDL_SCANCODE_F: 428 toggle_full_screen(scon); 429 scon->gui_keysym = true; 430 break; 431 case SDL_SCANCODE_G: 432 scon->gui_keysym = true; 433 if (!gui_grab) { 434 sdl_grab_start(scon); 435 } else if (!gui_fullscreen) { 436 sdl_grab_end(scon); 437 } 438 break; 439 case SDL_SCANCODE_U: 440 sdl2_window_resize(scon); 441 if (!scon->opengl) { 442 /* re-create scon->texture */ 443 sdl2_2d_switch(&scon->dcl, scon->surface); 444 } 445 scon->gui_keysym = true; 446 break; 447 #if 0 448 case SDL_SCANCODE_KP_PLUS: 449 case SDL_SCANCODE_KP_MINUS: 450 if (!gui_fullscreen) { 451 int scr_w, scr_h; 452 int width, height; 453 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 454 455 width = MAX(scr_w + (ev->key.keysym.scancode == 456 SDL_SCANCODE_KP_PLUS ? 50 : -50), 457 160); 458 height = (surface_height(scon->surface) * width) / 459 surface_width(scon->surface); 460 fprintf(stderr, "%s: scale to %dx%d\n", 461 __func__, width, height); 462 sdl_scale(scon, width, height); 463 sdl2_redraw(scon); 464 scon->gui_keysym = true; 465 } 466 #endif 467 default: 468 break; 469 } 470 } 471 if (!scon->gui_keysym) { 472 sdl2_process_key(scon, &ev->key); 473 } 474 } 475 476 static void handle_keyup(SDL_Event *ev) 477 { 478 struct sdl2_console *scon = get_scon_from_window(ev->key.windowID); 479 480 if (!scon) { 481 return; 482 } 483 484 scon->ignore_hotkeys = false; 485 sdl2_process_key(scon, &ev->key); 486 } 487 488 static void handle_textinput(SDL_Event *ev) 489 { 490 struct sdl2_console *scon = get_scon_from_window(ev->text.windowID); 491 QemuConsole *con = scon ? scon->dcl.con : NULL; 492 493 if (!con) { 494 return; 495 } 496 497 if (!scon->gui_keysym && QEMU_IS_TEXT_CONSOLE(con)) { 498 qemu_text_console_put_string(QEMU_TEXT_CONSOLE(con), ev->text.text, strlen(ev->text.text)); 499 } 500 } 501 502 static void handle_mousemotion(SDL_Event *ev) 503 { 504 int max_x, max_y; 505 struct sdl2_console *scon = get_scon_from_window(ev->motion.windowID); 506 507 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 508 return; 509 } 510 511 if (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 512 int scr_w, scr_h; 513 SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); 514 max_x = scr_w - 1; 515 max_y = scr_h - 1; 516 if (gui_grab && !gui_fullscreen 517 && (ev->motion.x == 0 || ev->motion.y == 0 || 518 ev->motion.x == max_x || ev->motion.y == max_y)) { 519 sdl_grab_end(scon); 520 } 521 if (!gui_grab && 522 (ev->motion.x > 0 && ev->motion.x < max_x && 523 ev->motion.y > 0 && ev->motion.y < max_y)) { 524 sdl_grab_start(scon); 525 } 526 } 527 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 528 sdl_send_mouse_event(scon, ev->motion.xrel, ev->motion.yrel, 529 ev->motion.x, ev->motion.y, ev->motion.state); 530 } 531 } 532 533 static void handle_mousebutton(SDL_Event *ev) 534 { 535 int buttonstate = SDL_GetMouseState(NULL, NULL); 536 SDL_MouseButtonEvent *bev; 537 struct sdl2_console *scon = get_scon_from_window(ev->button.windowID); 538 539 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 540 return; 541 } 542 543 bev = &ev->button; 544 if (!gui_grab && !qemu_input_is_absolute(scon->dcl.con)) { 545 if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { 546 /* start grabbing all events */ 547 sdl_grab_start(scon); 548 } 549 } else { 550 if (ev->type == SDL_MOUSEBUTTONDOWN) { 551 buttonstate |= SDL_BUTTON(bev->button); 552 } else { 553 buttonstate &= ~SDL_BUTTON(bev->button); 554 } 555 sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); 556 } 557 } 558 559 static void handle_mousewheel(SDL_Event *ev) 560 { 561 struct sdl2_console *scon = get_scon_from_window(ev->wheel.windowID); 562 SDL_MouseWheelEvent *wev = &ev->wheel; 563 InputButton btn; 564 565 if (!scon || !qemu_console_is_graphic(scon->dcl.con)) { 566 return; 567 } 568 569 if (wev->y > 0) { 570 btn = INPUT_BUTTON_WHEEL_UP; 571 } else if (wev->y < 0) { 572 btn = INPUT_BUTTON_WHEEL_DOWN; 573 } else if (wev->x < 0) { 574 btn = INPUT_BUTTON_WHEEL_RIGHT; 575 } else if (wev->x > 0) { 576 btn = INPUT_BUTTON_WHEEL_LEFT; 577 } else { 578 return; 579 } 580 581 qemu_input_queue_btn(scon->dcl.con, btn, true); 582 qemu_input_event_sync(); 583 qemu_input_queue_btn(scon->dcl.con, btn, false); 584 qemu_input_event_sync(); 585 } 586 587 static void handle_windowevent(SDL_Event *ev) 588 { 589 struct sdl2_console *scon = get_scon_from_window(ev->window.windowID); 590 bool allow_close = true; 591 592 if (!scon) { 593 return; 594 } 595 596 switch (ev->window.event) { 597 case SDL_WINDOWEVENT_RESIZED: 598 { 599 QemuUIInfo info; 600 memset(&info, 0, sizeof(info)); 601 info.width = ev->window.data1; 602 info.height = ev->window.data2; 603 dpy_set_ui_info(scon->dcl.con, &info, true); 604 } 605 sdl2_redraw(scon); 606 break; 607 case SDL_WINDOWEVENT_EXPOSED: 608 sdl2_redraw(scon); 609 break; 610 case SDL_WINDOWEVENT_FOCUS_GAINED: 611 win32_kbd_set_grab(gui_grab); 612 if (qemu_console_is_graphic(scon->dcl.con)) { 613 win32_kbd_set_window(sdl2_win32_get_hwnd(scon)); 614 } 615 /* fall through */ 616 case SDL_WINDOWEVENT_ENTER: 617 if (!gui_grab && (qemu_input_is_absolute(scon->dcl.con) || absolute_enabled)) { 618 absolute_mouse_grab(scon); 619 } 620 /* If a new console window opened using a hotkey receives the 621 * focus, SDL sends another KEYDOWN event to the new window, 622 * closing the console window immediately after. 623 * 624 * Work around this by ignoring further hotkey events until a 625 * key is released. 626 */ 627 scon->ignore_hotkeys = get_mod_state(); 628 break; 629 case SDL_WINDOWEVENT_FOCUS_LOST: 630 if (qemu_console_is_graphic(scon->dcl.con)) { 631 win32_kbd_set_window(NULL); 632 } 633 if (gui_grab && !gui_fullscreen) { 634 sdl_grab_end(scon); 635 } 636 break; 637 case SDL_WINDOWEVENT_RESTORED: 638 update_displaychangelistener(&scon->dcl, GUI_REFRESH_INTERVAL_DEFAULT); 639 break; 640 case SDL_WINDOWEVENT_MINIMIZED: 641 update_displaychangelistener(&scon->dcl, 500); 642 break; 643 case SDL_WINDOWEVENT_CLOSE: 644 if (qemu_console_is_graphic(scon->dcl.con)) { 645 if (scon->opts->has_window_close && !scon->opts->window_close) { 646 allow_close = false; 647 } 648 if (allow_close) { 649 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 650 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 651 } 652 } else { 653 SDL_HideWindow(scon->real_window); 654 scon->hidden = true; 655 } 656 break; 657 case SDL_WINDOWEVENT_SHOWN: 658 scon->hidden = false; 659 break; 660 case SDL_WINDOWEVENT_HIDDEN: 661 scon->hidden = true; 662 break; 663 } 664 } 665 666 void sdl2_poll_events(struct sdl2_console *scon) 667 { 668 SDL_Event ev1, *ev = &ev1; 669 bool allow_close = true; 670 int idle = 1; 671 672 if (scon->last_vm_running != runstate_is_running()) { 673 scon->last_vm_running = runstate_is_running(); 674 sdl_update_caption(scon); 675 } 676 677 while (SDL_PollEvent(ev)) { 678 switch (ev->type) { 679 case SDL_KEYDOWN: 680 idle = 0; 681 handle_keydown(ev); 682 break; 683 case SDL_KEYUP: 684 idle = 0; 685 handle_keyup(ev); 686 break; 687 case SDL_TEXTINPUT: 688 idle = 0; 689 handle_textinput(ev); 690 break; 691 case SDL_QUIT: 692 if (scon->opts->has_window_close && !scon->opts->window_close) { 693 allow_close = false; 694 } 695 if (allow_close) { 696 shutdown_action = SHUTDOWN_ACTION_POWEROFF; 697 qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_UI); 698 } 699 break; 700 case SDL_MOUSEMOTION: 701 idle = 0; 702 handle_mousemotion(ev); 703 break; 704 case SDL_MOUSEBUTTONDOWN: 705 case SDL_MOUSEBUTTONUP: 706 idle = 0; 707 handle_mousebutton(ev); 708 break; 709 case SDL_MOUSEWHEEL: 710 idle = 0; 711 handle_mousewheel(ev); 712 break; 713 case SDL_WINDOWEVENT: 714 handle_windowevent(ev); 715 break; 716 default: 717 break; 718 } 719 } 720 721 if (idle) { 722 if (scon->idle_counter < SDL2_MAX_IDLE_COUNT) { 723 scon->idle_counter++; 724 if (scon->idle_counter >= SDL2_MAX_IDLE_COUNT) { 725 scon->dcl.update_interval = GUI_REFRESH_INTERVAL_DEFAULT; 726 } 727 } 728 } else { 729 scon->idle_counter = 0; 730 scon->dcl.update_interval = SDL2_REFRESH_INTERVAL_BUSY; 731 } 732 } 733 734 static void sdl_mouse_warp(DisplayChangeListener *dcl, 735 int x, int y, bool on) 736 { 737 struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl); 738 739 if (!qemu_console_is_graphic(scon->dcl.con)) { 740 return; 741 } 742 743 if (on) { 744 if (!guest_cursor) { 745 sdl_show_cursor(scon); 746 } 747 if (gui_grab || qemu_input_is_absolute(scon->dcl.con) || absolute_enabled) { 748 SDL_SetCursor(guest_sprite); 749 if (!qemu_input_is_absolute(scon->dcl.con) && !absolute_enabled) { 750 SDL_WarpMouseInWindow(scon->real_window, x, y); 751 } 752 } 753 } else if (gui_grab) { 754 sdl_hide_cursor(scon); 755 } 756 guest_cursor = on; 757 guest_x = x, guest_y = y; 758 } 759 760 static void sdl_mouse_define(DisplayChangeListener *dcl, 761 QEMUCursor *c) 762 { 763 764 if (guest_sprite) { 765 SDL_FreeCursor(guest_sprite); 766 } 767 768 if (guest_sprite_surface) { 769 SDL_FreeSurface(guest_sprite_surface); 770 } 771 772 guest_sprite_surface = 773 SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, 774 0xff0000, 0x00ff00, 0xff, 0xff000000); 775 776 if (!guest_sprite_surface) { 777 fprintf(stderr, "Failed to make rgb surface from %p\n", c); 778 return; 779 } 780 guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, 781 c->hot_x, c->hot_y); 782 if (!guest_sprite) { 783 fprintf(stderr, "Failed to make color cursor from %p\n", c); 784 return; 785 } 786 if (guest_cursor && 787 (gui_grab || qemu_input_is_absolute(dcl->con) || absolute_enabled)) { 788 SDL_SetCursor(guest_sprite); 789 } 790 } 791 792 static void sdl_cleanup(void) 793 { 794 if (guest_sprite) { 795 SDL_FreeCursor(guest_sprite); 796 } 797 SDL_QuitSubSystem(SDL_INIT_VIDEO); 798 } 799 800 static const DisplayChangeListenerOps dcl_2d_ops = { 801 .dpy_name = "sdl2-2d", 802 .dpy_gfx_update = sdl2_2d_update, 803 .dpy_gfx_switch = sdl2_2d_switch, 804 .dpy_gfx_check_format = sdl2_2d_check_format, 805 .dpy_refresh = sdl2_2d_refresh, 806 .dpy_mouse_set = sdl_mouse_warp, 807 .dpy_cursor_define = sdl_mouse_define, 808 }; 809 810 #ifdef CONFIG_OPENGL 811 static const DisplayChangeListenerOps dcl_gl_ops = { 812 .dpy_name = "sdl2-gl", 813 .dpy_gfx_update = sdl2_gl_update, 814 .dpy_gfx_switch = sdl2_gl_switch, 815 .dpy_gfx_check_format = console_gl_check_format, 816 .dpy_refresh = sdl2_gl_refresh, 817 .dpy_mouse_set = sdl_mouse_warp, 818 .dpy_cursor_define = sdl_mouse_define, 819 820 .dpy_gl_scanout_disable = sdl2_gl_scanout_disable, 821 .dpy_gl_scanout_texture = sdl2_gl_scanout_texture, 822 .dpy_gl_update = sdl2_gl_scanout_flush, 823 }; 824 825 static bool 826 sdl2_gl_is_compatible_dcl(DisplayGLCtx *dgc, 827 DisplayChangeListener *dcl) 828 { 829 return dcl->ops == &dcl_gl_ops; 830 } 831 832 static const DisplayGLCtxOps gl_ctx_ops = { 833 .dpy_gl_ctx_is_compatible_dcl = sdl2_gl_is_compatible_dcl, 834 .dpy_gl_ctx_create = sdl2_gl_create_context, 835 .dpy_gl_ctx_destroy = sdl2_gl_destroy_context, 836 .dpy_gl_ctx_make_current = sdl2_gl_make_context_current, 837 }; 838 #endif 839 840 static void sdl2_display_early_init(DisplayOptions *o) 841 { 842 assert(o->type == DISPLAY_TYPE_SDL); 843 if (o->has_gl && o->gl) { 844 #ifdef CONFIG_OPENGL 845 display_opengl = 1; 846 #endif 847 } 848 } 849 850 static void sdl2_display_init(DisplayState *ds, DisplayOptions *o) 851 { 852 uint8_t data = 0; 853 int i; 854 SDL_SysWMinfo info; 855 SDL_Surface *icon = NULL; 856 char *dir; 857 858 assert(o->type == DISPLAY_TYPE_SDL); 859 860 if (SDL_GetHintBoolean("QEMU_ENABLE_SDL_LOGGING", SDL_FALSE)) { 861 SDL_LogSetAllPriority(SDL_LOG_PRIORITY_VERBOSE); 862 } 863 864 if (SDL_Init(SDL_INIT_VIDEO)) { 865 fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", 866 SDL_GetError()); 867 exit(1); 868 } 869 #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR /* only available since SDL 2.0.8 */ 870 SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); 871 #endif 872 #ifndef CONFIG_WIN32 873 /* QEMU uses its own low level keyboard hook procedure on Windows */ 874 SDL_SetHint(SDL_HINT_GRAB_KEYBOARD, "1"); 875 #endif 876 #ifdef SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED 877 SDL_SetHint(SDL_HINT_ALLOW_ALT_TAB_WHILE_GRABBED, "0"); 878 #endif 879 SDL_SetHint(SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4, "1"); 880 SDL_EnableScreenSaver(); 881 memset(&info, 0, sizeof(info)); 882 SDL_VERSION(&info.version); 883 884 gui_fullscreen = o->has_full_screen && o->full_screen; 885 886 if (o->u.sdl.has_grab_mod) { 887 if (o->u.sdl.grab_mod == HOT_KEY_MOD_LSHIFT_LCTRL_LALT) { 888 alt_grab = true; 889 } else if (o->u.sdl.grab_mod == HOT_KEY_MOD_RCTRL) { 890 ctrl_grab = true; 891 } 892 } 893 894 for (i = 0;; i++) { 895 QemuConsole *con = qemu_console_lookup_by_index(i); 896 if (!con) { 897 break; 898 } 899 } 900 sdl2_num_outputs = i; 901 if (sdl2_num_outputs == 0) { 902 return; 903 } 904 sdl2_console = g_new0(struct sdl2_console, sdl2_num_outputs); 905 for (i = 0; i < sdl2_num_outputs; i++) { 906 QemuConsole *con = qemu_console_lookup_by_index(i); 907 assert(con != NULL); 908 if (!qemu_console_is_graphic(con) && 909 qemu_console_get_index(con) != 0) { 910 sdl2_console[i].hidden = true; 911 } 912 sdl2_console[i].idx = i; 913 sdl2_console[i].opts = o; 914 #ifdef CONFIG_OPENGL 915 sdl2_console[i].opengl = display_opengl; 916 sdl2_console[i].dcl.ops = display_opengl ? &dcl_gl_ops : &dcl_2d_ops; 917 sdl2_console[i].dgc.ops = display_opengl ? &gl_ctx_ops : NULL; 918 #else 919 sdl2_console[i].opengl = 0; 920 sdl2_console[i].dcl.ops = &dcl_2d_ops; 921 #endif 922 sdl2_console[i].dcl.con = con; 923 sdl2_console[i].kbd = qkbd_state_init(con); 924 if (display_opengl) { 925 qemu_console_set_display_gl_ctx(con, &sdl2_console[i].dgc); 926 } 927 register_displaychangelistener(&sdl2_console[i].dcl); 928 929 #if defined(SDL_VIDEO_DRIVER_WINDOWS) || defined(SDL_VIDEO_DRIVER_X11) 930 if (SDL_GetWindowWMInfo(sdl2_console[i].real_window, &info)) { 931 #if defined(SDL_VIDEO_DRIVER_WINDOWS) 932 qemu_console_set_window_id(con, (uintptr_t)info.info.win.window); 933 #elif defined(SDL_VIDEO_DRIVER_X11) 934 qemu_console_set_window_id(con, info.info.x11.window); 935 #endif 936 } 937 #endif 938 } 939 940 #ifdef CONFIG_SDL_IMAGE 941 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/128x128/apps/qemu.png"); 942 icon = IMG_Load(dir); 943 #else 944 /* Load a 32x32x4 image. White pixels are transparent. */ 945 dir = get_relocated_path(CONFIG_QEMU_ICONDIR "/hicolor/32x32/apps/qemu.bmp"); 946 icon = SDL_LoadBMP(dir); 947 if (icon) { 948 uint32_t colorkey = SDL_MapRGB(icon->format, 255, 255, 255); 949 SDL_SetColorKey(icon, SDL_TRUE, colorkey); 950 } 951 #endif 952 g_free(dir); 953 if (icon) { 954 SDL_SetWindowIcon(sdl2_console[0].real_window, icon); 955 } 956 957 mouse_mode_notifier.notify = sdl_mouse_mode_change; 958 qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); 959 960 sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); 961 sdl_cursor_normal = SDL_GetCursor(); 962 963 if (gui_fullscreen) { 964 sdl_grab_start(&sdl2_console[0]); 965 } 966 967 atexit(sdl_cleanup); 968 } 969 970 static QemuDisplay qemu_display_sdl2 = { 971 .type = DISPLAY_TYPE_SDL, 972 .early_init = sdl2_display_early_init, 973 .init = sdl2_display_init, 974 }; 975 976 static void register_sdl1(void) 977 { 978 qemu_display_register(&qemu_display_sdl2); 979 } 980 981 type_init(register_sdl1); 982 983 #ifdef CONFIG_OPENGL 984 module_dep("ui-opengl"); 985 #endif 986
