library_godot_display.js 24 KB

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  1. /*************************************************************************/
  2. /* library_godot_display.js */
  3. /*************************************************************************/
  4. /* This file is part of: */
  5. /* GODOT ENGINE */
  6. /* https://godotengine.org */
  7. /*************************************************************************/
  8. /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
  9. /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
  10. /* */
  11. /* Permission is hereby granted, free of charge, to any person obtaining */
  12. /* a copy of this software and associated documentation files (the */
  13. /* "Software"), to deal in the Software without restriction, including */
  14. /* without limitation the rights to use, copy, modify, merge, publish, */
  15. /* distribute, sublicense, and/or sell copies of the Software, and to */
  16. /* permit persons to whom the Software is furnished to do so, subject to */
  17. /* the following conditions: */
  18. /* */
  19. /* The above copyright notice and this permission notice shall be */
  20. /* included in all copies or substantial portions of the Software. */
  21. /* */
  22. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
  23. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
  24. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  25. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
  26. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
  27. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
  28. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
  29. /*************************************************************************/
  30. const GodotDisplayVK = {
  31. $GodotDisplayVK__deps: ['$GodotRuntime', '$GodotConfig', '$GodotEventListeners'],
  32. $GodotDisplayVK__postset: 'GodotOS.atexit(function(resolve, reject) { GodotDisplayVK.clear(); resolve(); });',
  33. $GodotDisplayVK: {
  34. textinput: null,
  35. textarea: null,
  36. available: function () {
  37. return GodotConfig.virtual_keyboard && 'ontouchstart' in window;
  38. },
  39. init: function (input_cb) {
  40. function create(what) {
  41. const elem = document.createElement(what);
  42. elem.style.display = 'none';
  43. elem.style.position = 'absolute';
  44. elem.style.zIndex = '-1';
  45. elem.style.background = 'transparent';
  46. elem.style.padding = '0px';
  47. elem.style.margin = '0px';
  48. elem.style.overflow = 'hidden';
  49. elem.style.width = '0px';
  50. elem.style.height = '0px';
  51. elem.style.border = '0px';
  52. elem.style.outline = 'none';
  53. elem.readonly = true;
  54. elem.disabled = true;
  55. GodotEventListeners.add(elem, 'input', function (evt) {
  56. const c_str = GodotRuntime.allocString(elem.value);
  57. input_cb(c_str, elem.selectionEnd);
  58. GodotRuntime.free(c_str);
  59. }, false);
  60. GodotEventListeners.add(elem, 'blur', function (evt) {
  61. elem.style.display = 'none';
  62. elem.readonly = true;
  63. elem.disabled = true;
  64. }, false);
  65. GodotConfig.canvas.insertAdjacentElement('beforebegin', elem);
  66. return elem;
  67. }
  68. GodotDisplayVK.textinput = create('input');
  69. GodotDisplayVK.textarea = create('textarea');
  70. GodotDisplayVK.updateSize();
  71. },
  72. show: function (text, type, start, end) {
  73. if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) {
  74. return;
  75. }
  76. if (GodotDisplayVK.textinput.style.display !== '' || GodotDisplayVK.textarea.style.display !== '') {
  77. GodotDisplayVK.hide();
  78. }
  79. GodotDisplayVK.updateSize();
  80. let elem = GodotDisplayVK.textinput;
  81. switch (type) {
  82. case 0: // KEYBOARD_TYPE_DEFAULT
  83. elem.type = 'text';
  84. elem.inputmode = '';
  85. break;
  86. case 1: // KEYBOARD_TYPE_MULTILINE
  87. elem = GodotDisplayVK.textarea;
  88. break;
  89. case 2: // KEYBOARD_TYPE_NUMBER
  90. elem.type = 'text';
  91. elem.inputmode = 'numeric';
  92. break;
  93. case 3: // KEYBOARD_TYPE_NUMBER_DECIMAL
  94. elem.type = 'text';
  95. elem.inputmode = 'decimal';
  96. break;
  97. case 4: // KEYBOARD_TYPE_PHONE
  98. elem.type = 'tel';
  99. elem.inputmode = '';
  100. break;
  101. case 5: // KEYBOARD_TYPE_EMAIL_ADDRESS
  102. elem.type = 'email';
  103. elem.inputmode = '';
  104. break;
  105. case 6: // KEYBOARD_TYPE_PASSWORD
  106. elem.type = 'password';
  107. elem.inputmode = '';
  108. break;
  109. case 7: // KEYBOARD_TYPE_URL
  110. elem.type = 'url';
  111. elem.inputmode = '';
  112. break;
  113. default:
  114. elem.type = 'text';
  115. elem.inputmode = '';
  116. break;
  117. }
  118. elem.readonly = false;
  119. elem.disabled = false;
  120. elem.value = text;
  121. elem.style.display = 'block';
  122. elem.focus();
  123. elem.setSelectionRange(start, end);
  124. },
  125. hide: function () {
  126. if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) {
  127. return;
  128. }
  129. [GodotDisplayVK.textinput, GodotDisplayVK.textarea].forEach(function (elem) {
  130. elem.blur();
  131. elem.style.display = 'none';
  132. elem.value = '';
  133. });
  134. },
  135. updateSize: function () {
  136. if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) {
  137. return;
  138. }
  139. const rect = GodotConfig.canvas.getBoundingClientRect();
  140. function update(elem) {
  141. elem.style.left = `${rect.left}px`;
  142. elem.style.top = `${rect.top}px`;
  143. elem.style.width = `${rect.width}px`;
  144. elem.style.height = `${rect.height}px`;
  145. }
  146. update(GodotDisplayVK.textinput);
  147. update(GodotDisplayVK.textarea);
  148. },
  149. clear: function () {
  150. if (GodotDisplayVK.textinput) {
  151. GodotDisplayVK.textinput.remove();
  152. GodotDisplayVK.textinput = null;
  153. }
  154. if (GodotDisplayVK.textarea) {
  155. GodotDisplayVK.textarea.remove();
  156. GodotDisplayVK.textarea = null;
  157. }
  158. },
  159. },
  160. };
  161. mergeInto(LibraryManager.library, GodotDisplayVK);
  162. /*
  163. * Display server cursor helper.
  164. * Keeps track of cursor status and custom shapes.
  165. */
  166. const GodotDisplayCursor = {
  167. $GodotDisplayCursor__deps: ['$GodotOS', '$GodotConfig'],
  168. $GodotDisplayCursor__postset: 'GodotOS.atexit(function(resolve, reject) { GodotDisplayCursor.clear(); resolve(); });',
  169. $GodotDisplayCursor: {
  170. shape: 'auto',
  171. visible: true,
  172. cursors: {},
  173. set_style: function (style) {
  174. GodotConfig.canvas.style.cursor = style;
  175. },
  176. set_shape: function (shape) {
  177. GodotDisplayCursor.shape = shape;
  178. let css = shape;
  179. if (shape in GodotDisplayCursor.cursors) {
  180. const c = GodotDisplayCursor.cursors[shape];
  181. css = `url("${c.url}") ${c.x} ${c.y}, auto`;
  182. }
  183. if (GodotDisplayCursor.visible) {
  184. GodotDisplayCursor.set_style(css);
  185. }
  186. },
  187. clear: function () {
  188. GodotDisplayCursor.set_style('');
  189. GodotDisplayCursor.shape = 'auto';
  190. GodotDisplayCursor.visible = true;
  191. Object.keys(GodotDisplayCursor.cursors).forEach(function (key) {
  192. URL.revokeObjectURL(GodotDisplayCursor.cursors[key]);
  193. delete GodotDisplayCursor.cursors[key];
  194. });
  195. },
  196. lockPointer: function () {
  197. const canvas = GodotConfig.canvas;
  198. if (canvas.requestPointerLock) {
  199. canvas.requestPointerLock();
  200. }
  201. },
  202. releasePointer: function () {
  203. if (document.exitPointerLock) {
  204. document.exitPointerLock();
  205. }
  206. },
  207. isPointerLocked: function () {
  208. return document.pointerLockElement === GodotConfig.canvas;
  209. },
  210. },
  211. };
  212. mergeInto(LibraryManager.library, GodotDisplayCursor);
  213. const GodotDisplayScreen = {
  214. $GodotDisplayScreen__deps: ['$GodotConfig', '$GodotOS', '$GL', 'emscripten_webgl_get_current_context'],
  215. $GodotDisplayScreen: {
  216. desired_size: [0, 0],
  217. hidpi: true,
  218. getPixelRatio: function () {
  219. return GodotDisplayScreen.hidpi ? window.devicePixelRatio || 1 : 1;
  220. },
  221. isFullscreen: function () {
  222. const elem = document.fullscreenElement || document.mozFullscreenElement
  223. || document.webkitFullscreenElement || document.msFullscreenElement;
  224. if (elem) {
  225. return elem === GodotConfig.canvas;
  226. }
  227. // But maybe knowing the element is not supported.
  228. return document.fullscreen || document.mozFullScreen
  229. || document.webkitIsFullscreen;
  230. },
  231. hasFullscreen: function () {
  232. return document.fullscreenEnabled || document.mozFullScreenEnabled
  233. || document.webkitFullscreenEnabled;
  234. },
  235. requestFullscreen: function () {
  236. if (!GodotDisplayScreen.hasFullscreen()) {
  237. return 1;
  238. }
  239. const canvas = GodotConfig.canvas;
  240. try {
  241. const promise = (canvas.requestFullscreen || canvas.msRequestFullscreen
  242. || canvas.mozRequestFullScreen || canvas.mozRequestFullscreen
  243. || canvas.webkitRequestFullscreen
  244. ).call(canvas);
  245. // Some browsers (Safari) return undefined.
  246. // For the standard ones, we need to catch it.
  247. if (promise) {
  248. promise.catch(function () {
  249. // nothing to do.
  250. });
  251. }
  252. } catch (e) {
  253. return 1;
  254. }
  255. return 0;
  256. },
  257. exitFullscreen: function () {
  258. if (!GodotDisplayScreen.isFullscreen()) {
  259. return 0;
  260. }
  261. try {
  262. const promise = document.exitFullscreen();
  263. if (promise) {
  264. promise.catch(function () {
  265. // nothing to do.
  266. });
  267. }
  268. } catch (e) {
  269. return 1;
  270. }
  271. return 0;
  272. },
  273. _updateGL: function () {
  274. const gl_context_handle = _emscripten_webgl_get_current_context(); // eslint-disable-line no-undef
  275. const gl = GL.getContext(gl_context_handle);
  276. if (gl) {
  277. GL.resizeOffscreenFramebuffer(gl);
  278. }
  279. },
  280. updateSize: function () {
  281. const isFullscreen = GodotDisplayScreen.isFullscreen();
  282. const wantsFullWindow = GodotConfig.canvas_resize_policy === 2;
  283. const noResize = GodotConfig.canvas_resize_policy === 0;
  284. const wwidth = GodotDisplayScreen.desired_size[0];
  285. const wheight = GodotDisplayScreen.desired_size[1];
  286. const canvas = GodotConfig.canvas;
  287. let width = wwidth;
  288. let height = wheight;
  289. if (noResize) {
  290. // Don't resize canvas, just update GL if needed.
  291. if (canvas.width !== width || canvas.height !== height) {
  292. GodotDisplayScreen.desired_size = [canvas.width, canvas.height];
  293. GodotDisplayScreen._updateGL();
  294. return 1;
  295. }
  296. return 0;
  297. }
  298. const scale = GodotDisplayScreen.getPixelRatio();
  299. if (isFullscreen || wantsFullWindow) {
  300. // We need to match screen size.
  301. width = window.innerWidth * scale;
  302. height = window.innerHeight * scale;
  303. }
  304. const csw = `${width / scale}px`;
  305. const csh = `${height / scale}px`;
  306. if (canvas.style.width !== csw || canvas.style.height !== csh || canvas.width !== width || canvas.height !== height) {
  307. // Size doesn't match.
  308. // Resize canvas, set correct CSS pixel size, update GL.
  309. canvas.width = width;
  310. canvas.height = height;
  311. canvas.style.width = csw;
  312. canvas.style.height = csh;
  313. GodotDisplayScreen._updateGL();
  314. return 1;
  315. }
  316. return 0;
  317. },
  318. },
  319. };
  320. mergeInto(LibraryManager.library, GodotDisplayScreen);
  321. /**
  322. * Display server interface.
  323. *
  324. * Exposes all the functions needed by DisplayServer implementation.
  325. */
  326. const GodotDisplay = {
  327. $GodotDisplay__deps: ['$GodotConfig', '$GodotRuntime', '$GodotDisplayCursor', '$GodotEventListeners', '$GodotDisplayScreen', '$GodotDisplayVK'],
  328. $GodotDisplay: {
  329. window_icon: '',
  330. findDPI: function () {
  331. function testDPI(dpi) {
  332. return window.matchMedia(`(max-resolution: ${dpi}dpi)`).matches;
  333. }
  334. function bisect(low, high, func) {
  335. const mid = parseInt(((high - low) / 2) + low, 10);
  336. if (high - low <= 1) {
  337. return func(high) ? high : low;
  338. }
  339. if (func(mid)) {
  340. return bisect(low, mid, func);
  341. }
  342. return bisect(mid, high, func);
  343. }
  344. try {
  345. const dpi = bisect(0, 800, testDPI);
  346. return dpi >= 96 ? dpi : 96;
  347. } catch (e) {
  348. return 96;
  349. }
  350. },
  351. },
  352. godot_js_display_is_swap_ok_cancel__sig: 'i',
  353. godot_js_display_is_swap_ok_cancel: function () {
  354. const win = (['Windows', 'Win64', 'Win32', 'WinCE']);
  355. const plat = navigator.platform || '';
  356. if (win.indexOf(plat) !== -1) {
  357. return 1;
  358. }
  359. return 0;
  360. },
  361. godot_js_tts_is_speaking__sig: 'i',
  362. godot_js_tts_is_speaking: function () {
  363. return window.speechSynthesis.speaking;
  364. },
  365. godot_js_tts_is_paused__sig: 'i',
  366. godot_js_tts_is_paused: function () {
  367. return window.speechSynthesis.paused;
  368. },
  369. godot_js_tts_get_voices__sig: 'vi',
  370. godot_js_tts_get_voices: function (p_callback) {
  371. const func = GodotRuntime.get_func(p_callback);
  372. try {
  373. const arr = [];
  374. const voices = window.speechSynthesis.getVoices();
  375. for (let i = 0; i < voices.length; i++) {
  376. arr.push(`${voices[i].lang};${voices[i].name}`);
  377. }
  378. const c_ptr = GodotRuntime.allocStringArray(arr);
  379. func(arr.length, c_ptr);
  380. GodotRuntime.freeStringArray(c_ptr, arr.length);
  381. } catch (e) {
  382. // Fail graciously.
  383. }
  384. },
  385. godot_js_tts_speak__sig: 'viiiffii',
  386. godot_js_tts_speak: function (p_text, p_voice, p_volume, p_pitch, p_rate, p_utterance_id, p_callback) {
  387. const func = GodotRuntime.get_func(p_callback);
  388. function listener_end(evt) {
  389. evt.currentTarget.cb(1 /*TTS_UTTERANCE_ENDED*/, evt.currentTarget.id, 0);
  390. }
  391. function listener_start(evt) {
  392. evt.currentTarget.cb(0 /*TTS_UTTERANCE_STARTED*/, evt.currentTarget.id, 0);
  393. }
  394. function listener_error(evt) {
  395. evt.currentTarget.cb(2 /*TTS_UTTERANCE_CANCELED*/, evt.currentTarget.id, 0);
  396. }
  397. function listener_bound(evt) {
  398. evt.currentTarget.cb(3 /*TTS_UTTERANCE_BOUNDARY*/, evt.currentTarget.id, evt.charIndex);
  399. }
  400. const utterance = new SpeechSynthesisUtterance(GodotRuntime.parseString(p_text));
  401. utterance.rate = p_rate;
  402. utterance.pitch = p_pitch;
  403. utterance.volume = p_volume / 100.0;
  404. utterance.addEventListener('end', listener_end);
  405. utterance.addEventListener('start', listener_start);
  406. utterance.addEventListener('error', listener_error);
  407. utterance.addEventListener('boundary', listener_bound);
  408. utterance.id = p_utterance_id;
  409. utterance.cb = func;
  410. const voice = GodotRuntime.parseString(p_voice);
  411. const voices = window.speechSynthesis.getVoices();
  412. for (let i = 0; i < voices.length; i++) {
  413. if (voices[i].name === voice) {
  414. utterance.voice = voices[i];
  415. break;
  416. }
  417. }
  418. window.speechSynthesis.resume();
  419. window.speechSynthesis.speak(utterance);
  420. },
  421. godot_js_tts_pause__sig: 'v',
  422. godot_js_tts_pause: function () {
  423. window.speechSynthesis.pause();
  424. },
  425. godot_js_tts_resume__sig: 'v',
  426. godot_js_tts_resume: function () {
  427. window.speechSynthesis.resume();
  428. },
  429. godot_js_tts_stop__sig: 'v',
  430. godot_js_tts_stop: function () {
  431. window.speechSynthesis.cancel();
  432. window.speechSynthesis.resume();
  433. },
  434. godot_js_display_alert__sig: 'vi',
  435. godot_js_display_alert: function (p_text) {
  436. window.alert(GodotRuntime.parseString(p_text)); // eslint-disable-line no-alert
  437. },
  438. godot_js_display_screen_dpi_get__sig: 'i',
  439. godot_js_display_screen_dpi_get: function () {
  440. return GodotDisplay.findDPI();
  441. },
  442. godot_js_display_pixel_ratio_get__sig: 'f',
  443. godot_js_display_pixel_ratio_get: function () {
  444. return GodotDisplayScreen.getPixelRatio();
  445. },
  446. godot_js_display_fullscreen_request__sig: 'i',
  447. godot_js_display_fullscreen_request: function () {
  448. return GodotDisplayScreen.requestFullscreen();
  449. },
  450. godot_js_display_fullscreen_exit__sig: 'i',
  451. godot_js_display_fullscreen_exit: function () {
  452. return GodotDisplayScreen.exitFullscreen();
  453. },
  454. godot_js_display_desired_size_set__sig: 'vii',
  455. godot_js_display_desired_size_set: function (width, height) {
  456. GodotDisplayScreen.desired_size = [width, height];
  457. GodotDisplayScreen.updateSize();
  458. },
  459. godot_js_display_size_update__sig: 'i',
  460. godot_js_display_size_update: function () {
  461. const updated = GodotDisplayScreen.updateSize();
  462. if (updated) {
  463. GodotDisplayVK.updateSize();
  464. }
  465. return updated;
  466. },
  467. godot_js_display_screen_size_get__sig: 'vii',
  468. godot_js_display_screen_size_get: function (width, height) {
  469. const scale = GodotDisplayScreen.getPixelRatio();
  470. GodotRuntime.setHeapValue(width, window.screen.width * scale, 'i32');
  471. GodotRuntime.setHeapValue(height, window.screen.height * scale, 'i32');
  472. },
  473. godot_js_display_window_size_get__sig: 'vii',
  474. godot_js_display_window_size_get: function (p_width, p_height) {
  475. GodotRuntime.setHeapValue(p_width, GodotConfig.canvas.width, 'i32');
  476. GodotRuntime.setHeapValue(p_height, GodotConfig.canvas.height, 'i32');
  477. },
  478. godot_js_display_has_webgl__sig: 'ii',
  479. godot_js_display_has_webgl: function (p_version) {
  480. if (p_version !== 1 && p_version !== 2) {
  481. return false;
  482. }
  483. try {
  484. return !!document.createElement('canvas').getContext(p_version === 2 ? 'webgl2' : 'webgl');
  485. } catch (e) { /* Not available */ }
  486. return false;
  487. },
  488. /*
  489. * Canvas
  490. */
  491. godot_js_display_canvas_focus__sig: 'v',
  492. godot_js_display_canvas_focus: function () {
  493. GodotConfig.canvas.focus();
  494. },
  495. godot_js_display_canvas_is_focused__sig: 'i',
  496. godot_js_display_canvas_is_focused: function () {
  497. return document.activeElement === GodotConfig.canvas;
  498. },
  499. /*
  500. * Touchscreen
  501. */
  502. godot_js_display_touchscreen_is_available__sig: 'i',
  503. godot_js_display_touchscreen_is_available: function () {
  504. return 'ontouchstart' in window;
  505. },
  506. /*
  507. * Clipboard
  508. */
  509. godot_js_display_clipboard_set__sig: 'ii',
  510. godot_js_display_clipboard_set: function (p_text) {
  511. const text = GodotRuntime.parseString(p_text);
  512. if (!navigator.clipboard || !navigator.clipboard.writeText) {
  513. return 1;
  514. }
  515. navigator.clipboard.writeText(text).catch(function (e) {
  516. // Setting OS clipboard is only possible from an input callback.
  517. GodotRuntime.error('Setting OS clipboard is only possible from an input callback for the HTML5 plafrom. Exception:', e);
  518. });
  519. return 0;
  520. },
  521. godot_js_display_clipboard_get__sig: 'ii',
  522. godot_js_display_clipboard_get: function (callback) {
  523. const func = GodotRuntime.get_func(callback);
  524. try {
  525. navigator.clipboard.readText().then(function (result) {
  526. const ptr = GodotRuntime.allocString(result);
  527. func(ptr);
  528. GodotRuntime.free(ptr);
  529. }).catch(function (e) {
  530. // Fail graciously.
  531. });
  532. } catch (e) {
  533. // Fail graciously.
  534. }
  535. },
  536. /*
  537. * Window
  538. */
  539. godot_js_display_window_title_set__sig: 'vi',
  540. godot_js_display_window_title_set: function (p_data) {
  541. document.title = GodotRuntime.parseString(p_data);
  542. },
  543. godot_js_display_window_icon_set__sig: 'vii',
  544. godot_js_display_window_icon_set: function (p_ptr, p_len) {
  545. let link = document.getElementById('-gd-engine-icon');
  546. if (link === null) {
  547. link = document.createElement('link');
  548. link.rel = 'icon';
  549. link.id = '-gd-engine-icon';
  550. document.head.appendChild(link);
  551. }
  552. const old_icon = GodotDisplay.window_icon;
  553. const png = new Blob([GodotRuntime.heapSlice(HEAPU8, p_ptr, p_len)], { type: 'image/png' });
  554. GodotDisplay.window_icon = URL.createObjectURL(png);
  555. link.href = GodotDisplay.window_icon;
  556. if (old_icon) {
  557. URL.revokeObjectURL(old_icon);
  558. }
  559. },
  560. /*
  561. * Cursor
  562. */
  563. godot_js_display_cursor_set_visible__sig: 'vi',
  564. godot_js_display_cursor_set_visible: function (p_visible) {
  565. const visible = p_visible !== 0;
  566. if (visible === GodotDisplayCursor.visible) {
  567. return;
  568. }
  569. GodotDisplayCursor.visible = visible;
  570. if (visible) {
  571. GodotDisplayCursor.set_shape(GodotDisplayCursor.shape);
  572. } else {
  573. GodotDisplayCursor.set_style('none');
  574. }
  575. },
  576. godot_js_display_cursor_is_hidden__sig: 'i',
  577. godot_js_display_cursor_is_hidden: function () {
  578. return !GodotDisplayCursor.visible;
  579. },
  580. godot_js_display_cursor_set_shape__sig: 'vi',
  581. godot_js_display_cursor_set_shape: function (p_string) {
  582. GodotDisplayCursor.set_shape(GodotRuntime.parseString(p_string));
  583. },
  584. godot_js_display_cursor_set_custom_shape__sig: 'viiiii',
  585. godot_js_display_cursor_set_custom_shape: function (p_shape, p_ptr, p_len, p_hotspot_x, p_hotspot_y) {
  586. const shape = GodotRuntime.parseString(p_shape);
  587. const old_shape = GodotDisplayCursor.cursors[shape];
  588. if (p_len > 0) {
  589. const png = new Blob([GodotRuntime.heapSlice(HEAPU8, p_ptr, p_len)], { type: 'image/png' });
  590. const url = URL.createObjectURL(png);
  591. GodotDisplayCursor.cursors[shape] = {
  592. url: url,
  593. x: p_hotspot_x,
  594. y: p_hotspot_y,
  595. };
  596. } else {
  597. delete GodotDisplayCursor.cursors[shape];
  598. }
  599. if (shape === GodotDisplayCursor.shape) {
  600. GodotDisplayCursor.set_shape(GodotDisplayCursor.shape);
  601. }
  602. if (old_shape) {
  603. URL.revokeObjectURL(old_shape.url);
  604. }
  605. },
  606. godot_js_display_cursor_lock_set__sig: 'vi',
  607. godot_js_display_cursor_lock_set: function (p_lock) {
  608. if (p_lock) {
  609. GodotDisplayCursor.lockPointer();
  610. } else {
  611. GodotDisplayCursor.releasePointer();
  612. }
  613. },
  614. godot_js_display_cursor_is_locked__sig: 'i',
  615. godot_js_display_cursor_is_locked: function () {
  616. return GodotDisplayCursor.isPointerLocked() ? 1 : 0;
  617. },
  618. /*
  619. * Listeners
  620. */
  621. godot_js_display_fullscreen_cb__sig: 'vi',
  622. godot_js_display_fullscreen_cb: function (callback) {
  623. const canvas = GodotConfig.canvas;
  624. const func = GodotRuntime.get_func(callback);
  625. function change_cb(evt) {
  626. if (evt.target === canvas) {
  627. func(GodotDisplayScreen.isFullscreen());
  628. }
  629. }
  630. GodotEventListeners.add(document, 'fullscreenchange', change_cb, false);
  631. GodotEventListeners.add(document, 'mozfullscreenchange', change_cb, false);
  632. GodotEventListeners.add(document, 'webkitfullscreenchange', change_cb, false);
  633. },
  634. godot_js_display_window_blur_cb__sig: 'vi',
  635. godot_js_display_window_blur_cb: function (callback) {
  636. const func = GodotRuntime.get_func(callback);
  637. GodotEventListeners.add(window, 'blur', function () {
  638. func();
  639. }, false);
  640. },
  641. godot_js_display_notification_cb__sig: 'viiiii',
  642. godot_js_display_notification_cb: function (callback, p_enter, p_exit, p_in, p_out) {
  643. const canvas = GodotConfig.canvas;
  644. const func = GodotRuntime.get_func(callback);
  645. const notif = [p_enter, p_exit, p_in, p_out];
  646. ['mouseover', 'mouseleave', 'focus', 'blur'].forEach(function (evt_name, idx) {
  647. GodotEventListeners.add(canvas, evt_name, function () {
  648. func(notif[idx]);
  649. }, true);
  650. });
  651. },
  652. godot_js_display_setup_canvas__sig: 'viiii',
  653. godot_js_display_setup_canvas: function (p_width, p_height, p_fullscreen, p_hidpi) {
  654. const canvas = GodotConfig.canvas;
  655. GodotEventListeners.add(canvas, 'contextmenu', function (ev) {
  656. ev.preventDefault();
  657. }, false);
  658. GodotEventListeners.add(canvas, 'webglcontextlost', function (ev) {
  659. alert('WebGL context lost, please reload the page'); // eslint-disable-line no-alert
  660. ev.preventDefault();
  661. }, false);
  662. GodotDisplayScreen.hidpi = !!p_hidpi;
  663. switch (GodotConfig.canvas_resize_policy) {
  664. case 0: // None
  665. GodotDisplayScreen.desired_size = [canvas.width, canvas.height];
  666. break;
  667. case 1: // Project
  668. GodotDisplayScreen.desired_size = [p_width, p_height];
  669. break;
  670. default: // Full window
  671. // Ensure we display in the right place, the size will be handled by updateSize
  672. canvas.style.position = 'absolute';
  673. canvas.style.top = 0;
  674. canvas.style.left = 0;
  675. break;
  676. }
  677. GodotDisplayScreen.updateSize();
  678. if (p_fullscreen) {
  679. GodotDisplayScreen.requestFullscreen();
  680. }
  681. },
  682. /*
  683. * Virtual Keyboard
  684. */
  685. godot_js_display_vk_show__sig: 'viiii',
  686. godot_js_display_vk_show: function (p_text, p_type, p_start, p_end) {
  687. const text = GodotRuntime.parseString(p_text);
  688. const start = p_start > 0 ? p_start : 0;
  689. const end = p_end > 0 ? p_end : start;
  690. GodotDisplayVK.show(text, p_type, start, end);
  691. },
  692. godot_js_display_vk_hide__sig: 'v',
  693. godot_js_display_vk_hide: function () {
  694. GodotDisplayVK.hide();
  695. },
  696. godot_js_display_vk_available__sig: 'i',
  697. godot_js_display_vk_available: function () {
  698. return GodotDisplayVK.available();
  699. },
  700. godot_js_display_tts_available__sig: 'i',
  701. godot_js_display_tts_available: function () {
  702. return 'speechSynthesis' in window;
  703. },
  704. godot_js_display_vk_cb__sig: 'vi',
  705. godot_js_display_vk_cb: function (p_input_cb) {
  706. const input_cb = GodotRuntime.get_func(p_input_cb);
  707. if (GodotDisplayVK.available()) {
  708. GodotDisplayVK.init(input_cb);
  709. }
  710. },
  711. };
  712. autoAddDeps(GodotDisplay, '$GodotDisplay');
  713. mergeInto(LibraryManager.library, GodotDisplay);