]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * noVNC: HTML5 VNC client | |
3 | * Copyright (C) 2012 Joel Martin | |
4 | * Copyright (C) 2015 Samuel Mannehed for Cendio AB | |
5 | * Licensed under MPL 2.0 (see LICENSE.txt) | |
6 | * | |
7 | * See README.md for usage and integration instructions. | |
8 | */ | |
9 | ||
10 | /* jslint white: false, browser: true */ | |
11 | /* global window, $D, Util, WebUtil, RFB, Display */ | |
12 | ||
13 | var UI; | |
14 | ||
15 | (function () { | |
16 | "use strict"; | |
17 | ||
18 | var resizeTimeout; | |
19 | ||
20 | // Load supporting scripts | |
21 | window.onscriptsload = function () { UI.load(); }; | |
22 | Util.load_scripts(["webutil.js", "base64.js", "websock.js", "des.js", | |
23 | "keysymdef.js", "keyboard.js", "input.js", "display.js", | |
24 | "rfb.js", "keysym.js", "inflator.js"]); | |
25 | ||
26 | UI = { | |
27 | ||
28 | rfb_state : 'loaded', | |
29 | settingsOpen : false, | |
30 | connSettingsOpen : false, | |
31 | popupStatusTimeout: null, | |
32 | clipboardOpen: false, | |
33 | keyboardVisible: false, | |
34 | hideKeyboardTimeout: null, | |
35 | lastKeyboardinput: null, | |
36 | defaultKeyboardinputLen: 100, | |
37 | extraKeysVisible: false, | |
38 | ctrlOn: false, | |
39 | altOn: false, | |
40 | isTouchDevice: false, | |
41 | rememberedClipSetting: null, | |
42 | ||
43 | // Setup rfb object, load settings from browser storage, then call | |
44 | // UI.init to setup the UI/menus | |
45 | load: function (callback) { | |
46 | WebUtil.initSettings(UI.start, callback); | |
47 | }, | |
48 | ||
49 | // Render default UI and initialize settings menu | |
50 | start: function(callback) { | |
51 | UI.isTouchDevice = 'ontouchstart' in document.documentElement; | |
52 | ||
53 | // Stylesheet selection dropdown | |
54 | var sheet = WebUtil.selectStylesheet(); | |
55 | var sheets = WebUtil.getStylesheets(); | |
56 | var i; | |
57 | for (i = 0; i < sheets.length; i += 1) { | |
58 | UI.addOption($D('noVNC_stylesheet'),sheets[i].title, sheets[i].title); | |
59 | } | |
60 | ||
61 | // Logging selection dropdown | |
62 | var llevels = ['error', 'warn', 'info', 'debug']; | |
63 | for (i = 0; i < llevels.length; i += 1) { | |
64 | UI.addOption($D('noVNC_logging'),llevels[i], llevels[i]); | |
65 | } | |
66 | ||
67 | // Settings with immediate effects | |
68 | UI.initSetting('logging', 'warn'); | |
69 | WebUtil.init_logging(UI.getSetting('logging')); | |
70 | ||
71 | UI.initSetting('stylesheet', 'default'); | |
72 | WebUtil.selectStylesheet(null); | |
73 | // call twice to get around webkit bug | |
74 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
75 | ||
76 | // if port == 80 (or 443) then it won't be present and should be | |
77 | // set manually | |
78 | var port = window.location.port; | |
79 | if (!port) { | |
80 | if (window.location.protocol.substring(0,5) == 'https') { | |
81 | port = 443; | |
82 | } | |
83 | else if (window.location.protocol.substring(0,4) == 'http') { | |
84 | port = 80; | |
85 | } | |
86 | } | |
87 | ||
88 | /* Populate the controls if defaults are provided in the URL */ | |
89 | UI.initSetting('host', window.location.hostname); | |
90 | UI.initSetting('port', port); | |
91 | UI.initSetting('password', ''); | |
92 | UI.initSetting('encrypt', (window.location.protocol === "https:")); | |
93 | UI.initSetting('true_color', true); | |
94 | UI.initSetting('cursor', !UI.isTouchDevice); | |
95 | UI.initSetting('resize', 'off'); | |
96 | UI.initSetting('shared', true); | |
97 | UI.initSetting('view_only', false); | |
98 | UI.initSetting('path', 'websockify'); | |
99 | UI.initSetting('repeaterID', ''); | |
100 | ||
101 | var autoconnect = WebUtil.getQueryVar('autoconnect', false); | |
102 | if (autoconnect === 'true' || autoconnect == '1') { | |
103 | autoconnect = true; | |
104 | UI.connect(); | |
105 | } else { | |
106 | autoconnect = false; | |
107 | } | |
108 | ||
109 | UI.updateVisualState(); | |
110 | ||
111 | $D('noVNC_host').focus(); | |
112 | ||
113 | // Show mouse selector buttons on touch screen devices | |
114 | if (UI.isTouchDevice) { | |
115 | // Show mobile buttons | |
116 | $D('noVNC_mobile_buttons').style.display = "inline"; | |
117 | UI.setMouseButton(); | |
118 | // Remove the address bar | |
119 | setTimeout(function() { window.scrollTo(0, 1); }, 100); | |
120 | UI.forceSetting('clip', true); | |
121 | } else { | |
122 | UI.initSetting('clip', false); | |
123 | } | |
124 | ||
125 | UI.setViewClip(); | |
126 | UI.setBarPosition(); | |
127 | ||
128 | Util.addEvent(window, 'resize', function () { | |
129 | UI.onresize(); | |
130 | UI.setViewClip(); | |
131 | UI.updateViewDrag(); | |
132 | UI.setBarPosition(); | |
133 | } ); | |
134 | ||
135 | var isSafari = (navigator.userAgent.indexOf('Safari') != -1 && | |
136 | navigator.userAgent.indexOf('Chrome') == -1); | |
137 | ||
138 | // Only show the button if fullscreen is properly supported | |
139 | // * Safari doesn't support alphanumerical input while in fullscreen | |
140 | if (!isSafari && | |
141 | (document.documentElement.requestFullscreen || | |
142 | document.documentElement.mozRequestFullScreen || | |
143 | document.documentElement.webkitRequestFullscreen || | |
144 | document.body.msRequestFullscreen)) { | |
145 | $D('fullscreenButton').style.display = "inline"; | |
146 | Util.addEvent(window, 'fullscreenchange', UI.updateFullscreenButton); | |
147 | Util.addEvent(window, 'mozfullscreenchange', UI.updateFullscreenButton); | |
148 | Util.addEvent(window, 'webkitfullscreenchange', UI.updateFullscreenButton); | |
149 | Util.addEvent(window, 'msfullscreenchange', UI.updateFullscreenButton); | |
150 | } | |
151 | ||
152 | Util.addEvent(window, 'load', UI.keyboardinputReset); | |
153 | ||
154 | Util.addEvent(window, 'beforeunload', function () { | |
155 | if (UI.rfb && UI.rfb_state === 'normal') { | |
156 | return "You are currently connected."; | |
157 | } | |
158 | } ); | |
159 | ||
160 | // Show description by default when hosted at for kanaka.github.com | |
161 | if (location.host === "kanaka.github.io") { | |
162 | // Open the description dialog | |
163 | $D('noVNC_description').style.display = "block"; | |
164 | } else { | |
165 | // Show the connect panel on first load unless autoconnecting | |
166 | if (autoconnect === UI.connSettingsOpen) { | |
167 | UI.toggleConnectPanel(); | |
168 | } | |
169 | } | |
170 | ||
171 | // Add mouse event click/focus/blur event handlers to the UI | |
172 | UI.addMouseHandlers(); | |
173 | ||
174 | if (typeof callback === "function") { | |
175 | callback(UI.rfb); | |
176 | } | |
177 | }, | |
178 | ||
179 | initRFB: function () { | |
180 | try { | |
181 | UI.rfb = new RFB({'target': $D('noVNC_canvas'), | |
182 | 'onUpdateState': UI.updateState, | |
183 | 'onXvpInit': UI.updateXvpVisualState, | |
184 | 'onClipboard': UI.clipReceive, | |
185 | 'onFBUComplete': UI.FBUComplete, | |
186 | 'onFBResize': UI.updateViewDrag, | |
187 | 'onDesktopName': UI.updateDocumentTitle}); | |
188 | return true; | |
189 | } catch (exc) { | |
190 | UI.updateState(null, 'fatal', null, 'Unable to create RFB client -- ' + exc); | |
191 | return false; | |
192 | } | |
193 | }, | |
194 | ||
195 | addMouseHandlers: function() { | |
196 | // Setup interface handlers that can't be inline | |
197 | $D("noVNC_view_drag_button").onclick = UI.toggleViewDrag; | |
198 | $D("noVNC_mouse_button0").onclick = function () { UI.setMouseButton(1); }; | |
199 | $D("noVNC_mouse_button1").onclick = function () { UI.setMouseButton(2); }; | |
200 | $D("noVNC_mouse_button2").onclick = function () { UI.setMouseButton(4); }; | |
201 | $D("noVNC_mouse_button4").onclick = function () { UI.setMouseButton(0); }; | |
202 | $D("showKeyboard").onclick = UI.showKeyboard; | |
203 | ||
204 | $D("keyboardinput").oninput = UI.keyInput; | |
205 | $D("keyboardinput").onblur = UI.keyInputBlur; | |
206 | $D("keyboardinput").onsubmit = function () { return false; }; | |
207 | ||
208 | $D("showExtraKeysButton").onclick = UI.showExtraKeys; | |
209 | $D("toggleCtrlButton").onclick = UI.toggleCtrl; | |
210 | $D("toggleAltButton").onclick = UI.toggleAlt; | |
211 | $D("sendTabButton").onclick = UI.sendTab; | |
212 | $D("sendEscButton").onclick = UI.sendEsc; | |
213 | ||
214 | $D("sendCtrlAltDelButton").onclick = UI.sendCtrlAltDel; | |
215 | $D("xvpShutdownButton").onclick = UI.xvpShutdown; | |
216 | $D("xvpRebootButton").onclick = UI.xvpReboot; | |
217 | $D("xvpResetButton").onclick = UI.xvpReset; | |
218 | $D("noVNC_status").onclick = UI.togglePopupStatus; | |
219 | $D("noVNC_popup_status").onclick = UI.togglePopupStatus; | |
220 | $D("xvpButton").onclick = UI.toggleXvpPanel; | |
221 | $D("clipboardButton").onclick = UI.toggleClipboardPanel; | |
222 | $D("fullscreenButton").onclick = UI.toggleFullscreen; | |
223 | $D("settingsButton").onclick = UI.toggleSettingsPanel; | |
224 | $D("connectButton").onclick = UI.toggleConnectPanel; | |
225 | $D("disconnectButton").onclick = UI.disconnect; | |
226 | $D("descriptionButton").onclick = UI.toggleConnectPanel; | |
227 | ||
228 | $D("noVNC_clipboard_text").onfocus = UI.displayBlur; | |
229 | $D("noVNC_clipboard_text").onblur = UI.displayFocus; | |
230 | $D("noVNC_clipboard_text").onchange = UI.clipSend; | |
231 | $D("noVNC_clipboard_clear_button").onclick = UI.clipClear; | |
232 | ||
233 | $D("noVNC_settings_menu").onmouseover = UI.displayBlur; | |
234 | $D("noVNC_settings_menu").onmouseover = UI.displayFocus; | |
235 | $D("noVNC_apply").onclick = UI.settingsApply; | |
236 | ||
237 | $D("noVNC_connect_button").onclick = UI.connect; | |
238 | ||
239 | $D("noVNC_resize").onchange = UI.enableDisableViewClip; | |
240 | }, | |
241 | ||
242 | onresize: function (callback) { | |
243 | if (!UI.rfb) return; | |
244 | ||
245 | var size = UI.getCanvasLimit(); | |
246 | ||
247 | if (size && UI.rfb_state === 'normal' && UI.rfb.get_display()) { | |
248 | var display = UI.rfb.get_display(); | |
249 | var scaleType = UI.getSetting('resize'); | |
250 | if (scaleType === 'remote') { | |
251 | // use remote resizing | |
252 | ||
253 | // When the local window has been resized, wait until the size remains | |
254 | // the same for 0.5 seconds before sending the request for changing | |
255 | // the resolution of the session | |
256 | clearTimeout(resizeTimeout); | |
257 | resizeTimeout = setTimeout(function(){ | |
258 | display.set_maxWidth(size.w); | |
259 | display.set_maxHeight(size.h); | |
260 | Util.Debug('Attempting setDesktopSize(' + | |
261 | size.w + ', ' + size.h + ')'); | |
262 | UI.rfb.setDesktopSize(size.w, size.h); | |
263 | }, 500); | |
264 | } else if (scaleType === 'scale' || scaleType === 'downscale') { | |
265 | // use local scaling | |
266 | ||
267 | var downscaleOnly = scaleType === 'downscale'; | |
268 | var scaleRatio = display.autoscale(size.w, size.h, downscaleOnly); | |
269 | UI.rfb.get_mouse().set_scale(scaleRatio); | |
270 | Util.Debug('Scaling by ' + UI.rfb.get_mouse().get_scale()); | |
271 | } | |
272 | } | |
273 | }, | |
274 | ||
275 | getCanvasLimit: function () { | |
276 | var container = $D('noVNC_container'); | |
277 | ||
278 | // Hide the scrollbars until the size is calculated | |
279 | container.style.overflow = "hidden"; | |
280 | ||
281 | var pos = Util.getPosition(container); | |
282 | var w = pos.width; | |
283 | var h = pos.height; | |
284 | ||
285 | container.style.overflow = "visible"; | |
286 | ||
287 | if (isNaN(w) || isNaN(h)) { | |
288 | return false; | |
289 | } else { | |
290 | return {w: w, h: h}; | |
291 | } | |
292 | }, | |
293 | ||
294 | // Read form control compatible setting from cookie | |
295 | getSetting: function(name) { | |
296 | var ctrl = $D('noVNC_' + name); | |
297 | var val = WebUtil.readSetting(name); | |
298 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { | |
299 | if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) { | |
300 | val = false; | |
301 | } else { | |
302 | val = true; | |
303 | } | |
304 | } | |
305 | return val; | |
306 | }, | |
307 | ||
308 | // Update cookie and form control setting. If value is not set, then | |
309 | // updates from control to current cookie setting. | |
310 | updateSetting: function(name, value) { | |
311 | ||
312 | // Save the cookie for this session | |
313 | if (typeof value !== 'undefined') { | |
314 | WebUtil.writeSetting(name, value); | |
315 | } | |
316 | ||
317 | // Update the settings control | |
318 | value = UI.getSetting(name); | |
319 | ||
320 | var ctrl = $D('noVNC_' + name); | |
321 | if (ctrl.type === 'checkbox') { | |
322 | ctrl.checked = value; | |
323 | ||
324 | } else if (typeof ctrl.options !== 'undefined') { | |
325 | for (var i = 0; i < ctrl.options.length; i += 1) { | |
326 | if (ctrl.options[i].value === value) { | |
327 | ctrl.selectedIndex = i; | |
328 | break; | |
329 | } | |
330 | } | |
331 | } else { | |
332 | /*Weird IE9 error leads to 'null' appearring | |
333 | in textboxes instead of ''.*/ | |
334 | if (value === null) { | |
335 | value = ""; | |
336 | } | |
337 | ctrl.value = value; | |
338 | } | |
339 | }, | |
340 | ||
341 | // Save control setting to cookie | |
342 | saveSetting: function(name) { | |
343 | var val, ctrl = $D('noVNC_' + name); | |
344 | if (ctrl.type === 'checkbox') { | |
345 | val = ctrl.checked; | |
346 | } else if (typeof ctrl.options !== 'undefined') { | |
347 | val = ctrl.options[ctrl.selectedIndex].value; | |
348 | } else { | |
349 | val = ctrl.value; | |
350 | } | |
351 | WebUtil.writeSetting(name, val); | |
352 | //Util.Debug("Setting saved '" + name + "=" + val + "'"); | |
353 | return val; | |
354 | }, | |
355 | ||
356 | // Initial page load read/initialization of settings | |
357 | initSetting: function(name, defVal) { | |
358 | // Check Query string followed by cookie | |
359 | var val = WebUtil.getQueryVar(name); | |
360 | if (val === null) { | |
361 | val = WebUtil.readSetting(name, defVal); | |
362 | } | |
363 | UI.updateSetting(name, val); | |
364 | return val; | |
365 | }, | |
366 | ||
367 | // Force a setting to be a certain value | |
368 | forceSetting: function(name, val) { | |
369 | UI.updateSetting(name, val); | |
370 | return val; | |
371 | }, | |
372 | ||
373 | ||
374 | // Show the popup status | |
375 | togglePopupStatus: function(text) { | |
376 | var psp = $D('noVNC_popup_status'); | |
377 | ||
378 | var closePopup = function() { psp.style.display = "none"; }; | |
379 | ||
380 | if (window.getComputedStyle(psp).display === 'none') { | |
381 | if (typeof text === 'string') { | |
382 | psp.innerHTML = text; | |
383 | } else { | |
384 | psp.innerHTML = $D('noVNC_status').innerHTML; | |
385 | } | |
386 | psp.style.display = "block"; | |
387 | psp.style.left = window.innerWidth/2 - | |
388 | parseInt(window.getComputedStyle(psp).width)/2 -30 + "px"; | |
389 | ||
390 | // Show the popup for a maximum of 1.5 seconds | |
391 | UI.popupStatusTimeout = setTimeout(function() { closePopup(); }, 1500); | |
392 | } else { | |
393 | clearTimeout(UI.popupStatusTimeout); | |
394 | closePopup(); | |
395 | } | |
396 | }, | |
397 | ||
398 | // Show the XVP panel | |
399 | toggleXvpPanel: function() { | |
400 | // Close the description panel | |
401 | $D('noVNC_description').style.display = "none"; | |
402 | // Close settings if open | |
403 | if (UI.settingsOpen === true) { | |
404 | UI.settingsApply(); | |
405 | UI.closeSettingsMenu(); | |
406 | } | |
407 | // Close connection settings if open | |
408 | if (UI.connSettingsOpen === true) { | |
409 | UI.toggleConnectPanel(); | |
410 | } | |
411 | // Close clipboard panel if open | |
412 | if (UI.clipboardOpen === true) { | |
413 | UI.toggleClipboardPanel(); | |
414 | } | |
415 | // Toggle XVP panel | |
416 | if (UI.xvpOpen === true) { | |
417 | $D('noVNC_xvp').style.display = "none"; | |
418 | $D('xvpButton').className = "noVNC_status_button"; | |
419 | UI.xvpOpen = false; | |
420 | } else { | |
421 | $D('noVNC_xvp').style.display = "block"; | |
422 | $D('xvpButton').className = "noVNC_status_button_selected"; | |
423 | UI.xvpOpen = true; | |
424 | } | |
425 | }, | |
426 | ||
427 | // Show the clipboard panel | |
428 | toggleClipboardPanel: function() { | |
429 | // Close the description panel | |
430 | $D('noVNC_description').style.display = "none"; | |
431 | // Close settings if open | |
432 | if (UI.settingsOpen === true) { | |
433 | UI.settingsApply(); | |
434 | UI.closeSettingsMenu(); | |
435 | } | |
436 | // Close connection settings if open | |
437 | if (UI.connSettingsOpen === true) { | |
438 | UI.toggleConnectPanel(); | |
439 | } | |
440 | // Close XVP panel if open | |
441 | if (UI.xvpOpen === true) { | |
442 | UI.toggleXvpPanel(); | |
443 | } | |
444 | // Toggle Clipboard Panel | |
445 | if (UI.clipboardOpen === true) { | |
446 | $D('noVNC_clipboard').style.display = "none"; | |
447 | $D('clipboardButton').className = "noVNC_status_button"; | |
448 | UI.clipboardOpen = false; | |
449 | } else { | |
450 | $D('noVNC_clipboard').style.display = "block"; | |
451 | $D('clipboardButton').className = "noVNC_status_button_selected"; | |
452 | UI.clipboardOpen = true; | |
453 | } | |
454 | }, | |
455 | ||
456 | // Toggle fullscreen mode | |
457 | toggleFullscreen: function() { | |
458 | if (document.fullscreenElement || // alternative standard method | |
459 | document.mozFullScreenElement || // currently working methods | |
460 | document.webkitFullscreenElement || | |
461 | document.msFullscreenElement) { | |
462 | if (document.exitFullscreen) { | |
463 | document.exitFullscreen(); | |
464 | } else if (document.mozCancelFullScreen) { | |
465 | document.mozCancelFullScreen(); | |
466 | } else if (document.webkitExitFullscreen) { | |
467 | document.webkitExitFullscreen(); | |
468 | } else if (document.msExitFullscreen) { | |
469 | document.msExitFullscreen(); | |
470 | } | |
471 | } else { | |
472 | if (document.documentElement.requestFullscreen) { | |
473 | document.documentElement.requestFullscreen(); | |
474 | } else if (document.documentElement.mozRequestFullScreen) { | |
475 | document.documentElement.mozRequestFullScreen(); | |
476 | } else if (document.documentElement.webkitRequestFullscreen) { | |
477 | document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); | |
478 | } else if (document.body.msRequestFullscreen) { | |
479 | document.body.msRequestFullscreen(); | |
480 | } | |
481 | } | |
482 | UI.enableDisableViewClip(); | |
483 | UI.updateFullscreenButton(); | |
484 | }, | |
485 | ||
486 | updateFullscreenButton: function() { | |
487 | if (document.fullscreenElement || // alternative standard method | |
488 | document.mozFullScreenElement || // currently working methods | |
489 | document.webkitFullscreenElement || | |
490 | document.msFullscreenElement ) { | |
491 | $D('fullscreenButton').className = "noVNC_status_button_selected"; | |
492 | } else { | |
493 | $D('fullscreenButton').className = "noVNC_status_button"; | |
494 | } | |
495 | }, | |
496 | ||
497 | // Show the connection settings panel/menu | |
498 | toggleConnectPanel: function() { | |
499 | // Close the description panel | |
500 | $D('noVNC_description').style.display = "none"; | |
501 | // Close connection settings if open | |
502 | if (UI.settingsOpen === true) { | |
503 | UI.settingsApply(); | |
504 | UI.closeSettingsMenu(); | |
505 | $D('connectButton').className = "noVNC_status_button"; | |
506 | } | |
507 | // Close clipboard panel if open | |
508 | if (UI.clipboardOpen === true) { | |
509 | UI.toggleClipboardPanel(); | |
510 | } | |
511 | // Close XVP panel if open | |
512 | if (UI.xvpOpen === true) { | |
513 | UI.toggleXvpPanel(); | |
514 | } | |
515 | ||
516 | // Toggle Connection Panel | |
517 | if (UI.connSettingsOpen === true) { | |
518 | $D('noVNC_controls').style.display = "none"; | |
519 | $D('connectButton').className = "noVNC_status_button"; | |
520 | UI.connSettingsOpen = false; | |
521 | UI.saveSetting('host'); | |
522 | UI.saveSetting('port'); | |
523 | //UI.saveSetting('password'); | |
524 | } else { | |
525 | $D('noVNC_controls').style.display = "block"; | |
526 | $D('connectButton').className = "noVNC_status_button_selected"; | |
527 | UI.connSettingsOpen = true; | |
528 | $D('noVNC_host').focus(); | |
529 | } | |
530 | }, | |
531 | ||
532 | // Toggle the settings menu: | |
533 | // On open, settings are refreshed from saved cookies. | |
534 | // On close, settings are applied | |
535 | toggleSettingsPanel: function() { | |
536 | // Close the description panel | |
537 | $D('noVNC_description').style.display = "none"; | |
538 | if (UI.settingsOpen) { | |
539 | UI.settingsApply(); | |
540 | UI.closeSettingsMenu(); | |
541 | } else { | |
542 | UI.updateSetting('encrypt'); | |
543 | UI.updateSetting('true_color'); | |
544 | if (Util.browserSupportsCursorURIs()) { | |
545 | UI.updateSetting('cursor'); | |
546 | } else { | |
547 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
548 | $D('noVNC_cursor').disabled = true; | |
549 | } | |
550 | UI.updateSetting('clip'); | |
551 | UI.updateSetting('resize'); | |
552 | UI.updateSetting('shared'); | |
553 | UI.updateSetting('view_only'); | |
554 | UI.updateSetting('path'); | |
555 | UI.updateSetting('repeaterID'); | |
556 | UI.updateSetting('stylesheet'); | |
557 | UI.updateSetting('logging'); | |
558 | ||
559 | UI.openSettingsMenu(); | |
560 | } | |
561 | }, | |
562 | ||
563 | // Open menu | |
564 | openSettingsMenu: function() { | |
565 | // Close the description panel | |
566 | $D('noVNC_description').style.display = "none"; | |
567 | // Close clipboard panel if open | |
568 | if (UI.clipboardOpen === true) { | |
569 | UI.toggleClipboardPanel(); | |
570 | } | |
571 | // Close connection settings if open | |
572 | if (UI.connSettingsOpen === true) { | |
573 | UI.toggleConnectPanel(); | |
574 | } | |
575 | // Close XVP panel if open | |
576 | if (UI.xvpOpen === true) { | |
577 | UI.toggleXvpPanel(); | |
578 | } | |
579 | $D('noVNC_settings').style.display = "block"; | |
580 | $D('settingsButton').className = "noVNC_status_button_selected"; | |
581 | UI.settingsOpen = true; | |
582 | }, | |
583 | ||
584 | // Close menu (without applying settings) | |
585 | closeSettingsMenu: function() { | |
586 | $D('noVNC_settings').style.display = "none"; | |
587 | $D('settingsButton').className = "noVNC_status_button"; | |
588 | UI.settingsOpen = false; | |
589 | }, | |
590 | ||
591 | // Save/apply settings when 'Apply' button is pressed | |
592 | settingsApply: function() { | |
593 | //Util.Debug(">> settingsApply"); | |
594 | UI.saveSetting('encrypt'); | |
595 | UI.saveSetting('true_color'); | |
596 | if (Util.browserSupportsCursorURIs()) { | |
597 | UI.saveSetting('cursor'); | |
598 | } | |
599 | ||
600 | UI.saveSetting('resize'); | |
601 | ||
602 | if (UI.getSetting('resize') === 'downscale' || UI.getSetting('resize') === 'scale') { | |
603 | UI.forceSetting('clip', false); | |
604 | } | |
605 | ||
606 | UI.saveSetting('clip'); | |
607 | UI.saveSetting('shared'); | |
608 | UI.saveSetting('view_only'); | |
609 | UI.saveSetting('path'); | |
610 | UI.saveSetting('repeaterID'); | |
611 | UI.saveSetting('stylesheet'); | |
612 | UI.saveSetting('logging'); | |
613 | ||
614 | // Settings with immediate (non-connected related) effect | |
615 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
616 | WebUtil.init_logging(UI.getSetting('logging')); | |
617 | UI.setViewClip(); | |
618 | UI.updateViewDrag(); | |
619 | //Util.Debug("<< settingsApply"); | |
620 | }, | |
621 | ||
622 | ||
623 | ||
624 | setPassword: function() { | |
625 | UI.rfb.sendPassword($D('noVNC_password').value); | |
626 | //Reset connect button. | |
627 | $D('noVNC_connect_button').value = "Connect"; | |
628 | $D('noVNC_connect_button').onclick = UI.connect; | |
629 | //Hide connection panel. | |
630 | UI.toggleConnectPanel(); | |
631 | return false; | |
632 | }, | |
633 | ||
634 | sendCtrlAltDel: function() { | |
635 | UI.rfb.sendCtrlAltDel(); | |
636 | }, | |
637 | ||
638 | xvpShutdown: function() { | |
639 | UI.rfb.xvpShutdown(); | |
640 | }, | |
641 | ||
642 | xvpReboot: function() { | |
643 | UI.rfb.xvpReboot(); | |
644 | }, | |
645 | ||
646 | xvpReset: function() { | |
647 | UI.rfb.xvpReset(); | |
648 | }, | |
649 | ||
650 | setMouseButton: function(num) { | |
651 | if (typeof num === 'undefined') { | |
652 | // Disable mouse buttons | |
653 | num = -1; | |
654 | } | |
655 | if (UI.rfb) { | |
656 | UI.rfb.get_mouse().set_touchButton(num); | |
657 | } | |
658 | ||
659 | var blist = [0, 1,2,4]; | |
660 | for (var b = 0; b < blist.length; b++) { | |
661 | var button = $D('noVNC_mouse_button' + blist[b]); | |
662 | if (blist[b] === num) { | |
663 | button.style.display = ""; | |
664 | } else { | |
665 | button.style.display = "none"; | |
666 | } | |
667 | } | |
668 | }, | |
669 | ||
670 | updateState: function(rfb, state, oldstate, msg) { | |
671 | UI.rfb_state = state; | |
672 | var klass; | |
673 | switch (state) { | |
674 | case 'failed': | |
675 | case 'fatal': | |
676 | klass = "noVNC_status_error"; | |
677 | break; | |
678 | case 'normal': | |
679 | klass = "noVNC_status_normal"; | |
680 | break; | |
681 | case 'disconnected': | |
682 | $D('noVNC_logo').style.display = "block"; | |
683 | $D('noVNC_container').style.display = "none"; | |
684 | /* falls through */ | |
685 | case 'loaded': | |
686 | klass = "noVNC_status_normal"; | |
687 | break; | |
688 | case 'password': | |
689 | UI.toggleConnectPanel(); | |
690 | ||
691 | $D('noVNC_connect_button').value = "Send Password"; | |
692 | $D('noVNC_connect_button').onclick = UI.setPassword; | |
693 | $D('noVNC_password').focus(); | |
694 | ||
695 | klass = "noVNC_status_warn"; | |
696 | break; | |
697 | default: | |
698 | klass = "noVNC_status_warn"; | |
699 | break; | |
700 | } | |
701 | ||
702 | if (typeof(msg) !== 'undefined') { | |
703 | $D('noVNC-control-bar').setAttribute("class", klass); | |
704 | $D('noVNC_status').innerHTML = msg; | |
705 | } | |
706 | ||
707 | UI.updateVisualState(); | |
708 | }, | |
709 | ||
710 | // Disable/enable controls depending on connection state | |
711 | updateVisualState: function() { | |
712 | var connected = UI.rfb && UI.rfb_state === 'normal'; | |
713 | ||
714 | //Util.Debug(">> updateVisualState"); | |
715 | $D('noVNC_encrypt').disabled = connected; | |
716 | $D('noVNC_true_color').disabled = connected; | |
717 | if (Util.browserSupportsCursorURIs()) { | |
718 | $D('noVNC_cursor').disabled = connected; | |
719 | } else { | |
720 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
721 | $D('noVNC_cursor').disabled = true; | |
722 | } | |
723 | ||
724 | UI.enableDisableViewClip(); | |
725 | $D('noVNC_resize').disabled = connected; | |
726 | $D('noVNC_shared').disabled = connected; | |
727 | $D('noVNC_view_only').disabled = connected; | |
728 | $D('noVNC_path').disabled = connected; | |
729 | $D('noVNC_repeaterID').disabled = connected; | |
730 | ||
731 | if (connected) { | |
732 | UI.setViewClip(); | |
733 | UI.setMouseButton(1); | |
734 | $D('clipboardButton').style.display = "inline"; | |
735 | $D('showKeyboard').style.display = "inline"; | |
736 | $D('noVNC_extra_keys').style.display = ""; | |
737 | $D('sendCtrlAltDelButton').style.display = "inline"; | |
738 | } else { | |
739 | UI.setMouseButton(); | |
740 | $D('clipboardButton').style.display = "none"; | |
741 | $D('showKeyboard').style.display = "none"; | |
742 | $D('noVNC_extra_keys').style.display = "none"; | |
743 | $D('sendCtrlAltDelButton').style.display = "none"; | |
744 | UI.updateXvpVisualState(0); | |
745 | } | |
746 | ||
747 | // State change disables viewport dragging. | |
748 | // It is enabled (toggled) by direct click on the button | |
749 | UI.updateViewDrag(false); | |
750 | ||
751 | switch (UI.rfb_state) { | |
752 | case 'fatal': | |
753 | case 'failed': | |
754 | case 'disconnected': | |
755 | $D('connectButton').style.display = ""; | |
756 | $D('disconnectButton').style.display = "none"; | |
757 | UI.connSettingsOpen = false; | |
758 | UI.toggleConnectPanel(); | |
759 | break; | |
760 | case 'loaded': | |
761 | $D('connectButton').style.display = ""; | |
762 | $D('disconnectButton').style.display = "none"; | |
763 | break; | |
764 | default: | |
765 | $D('connectButton').style.display = "none"; | |
766 | $D('disconnectButton').style.display = ""; | |
767 | break; | |
768 | } | |
769 | ||
770 | //Util.Debug("<< updateVisualState"); | |
771 | }, | |
772 | ||
773 | // Disable/enable XVP button | |
774 | updateXvpVisualState: function(ver) { | |
775 | if (ver >= 1) { | |
776 | $D('xvpButton').style.display = 'inline'; | |
777 | } else { | |
778 | $D('xvpButton').style.display = 'none'; | |
779 | // Close XVP panel if open | |
780 | if (UI.xvpOpen === true) { | |
781 | UI.toggleXvpPanel(); | |
782 | } | |
783 | } | |
784 | }, | |
785 | ||
786 | // This resize can not be done until we know from the first Frame Buffer Update | |
787 | // if it is supported or not. | |
788 | // The resize is needed to make sure the server desktop size is updated to the | |
789 | // corresponding size of the current local window when reconnecting to an | |
790 | // existing session. | |
791 | FBUComplete: function(rfb, fbu) { | |
792 | UI.onresize(); | |
793 | UI.rfb.set_onFBUComplete(function() { }); | |
794 | }, | |
795 | ||
796 | // Display the desktop name in the document title | |
797 | updateDocumentTitle: function(rfb, name) { | |
798 | document.title = name + " - noVNC"; | |
799 | }, | |
800 | ||
801 | clipReceive: function(rfb, text) { | |
802 | Util.Debug(">> UI.clipReceive: " + text.substr(0,40) + "..."); | |
803 | $D('noVNC_clipboard_text').value = text; | |
804 | Util.Debug("<< UI.clipReceive"); | |
805 | }, | |
806 | ||
807 | connect: function() { | |
808 | UI.closeSettingsMenu(); | |
809 | UI.toggleConnectPanel(); | |
810 | ||
811 | var host = $D('noVNC_host').value; | |
812 | var port = $D('noVNC_port').value; | |
813 | var password = $D('noVNC_password').value; | |
814 | var path = $D('noVNC_path').value; | |
815 | if ((!host) || (!port)) { | |
816 | throw new Error("Must set host and port"); | |
817 | } | |
818 | ||
819 | if (!UI.initRFB()) return; | |
820 | ||
821 | UI.rfb.set_encrypt(UI.getSetting('encrypt')); | |
822 | UI.rfb.set_true_color(UI.getSetting('true_color')); | |
823 | UI.rfb.set_local_cursor(UI.getSetting('cursor')); | |
824 | UI.rfb.set_shared(UI.getSetting('shared')); | |
825 | UI.rfb.set_view_only(UI.getSetting('view_only')); | |
826 | UI.rfb.set_repeaterID(UI.getSetting('repeaterID')); | |
827 | ||
828 | UI.rfb.connect(host, port, password, path); | |
829 | ||
830 | //Close dialog. | |
831 | setTimeout(UI.setBarPosition, 100); | |
832 | $D('noVNC_logo').style.display = "none"; | |
833 | $D('noVNC_container').style.display = "inline"; | |
834 | }, | |
835 | ||
836 | disconnect: function() { | |
837 | UI.closeSettingsMenu(); | |
838 | UI.rfb.disconnect(); | |
839 | ||
840 | // Restore the callback used for initial resize | |
841 | UI.rfb.set_onFBUComplete(UI.FBUComplete); | |
842 | ||
843 | $D('noVNC_logo').style.display = "block"; | |
844 | $D('noVNC_container').style.display = "none"; | |
845 | ||
846 | // Don't display the connection settings until we're actually disconnected | |
847 | }, | |
848 | ||
849 | displayBlur: function() { | |
850 | if (!UI.rfb) return; | |
851 | ||
852 | UI.rfb.get_keyboard().set_focused(false); | |
853 | UI.rfb.get_mouse().set_focused(false); | |
854 | }, | |
855 | ||
856 | displayFocus: function() { | |
857 | if (!UI.rfb) return; | |
858 | ||
859 | UI.rfb.get_keyboard().set_focused(true); | |
860 | UI.rfb.get_mouse().set_focused(true); | |
861 | }, | |
862 | ||
863 | clipClear: function() { | |
864 | $D('noVNC_clipboard_text').value = ""; | |
865 | UI.rfb.clipboardPasteFrom(""); | |
866 | }, | |
867 | ||
868 | clipSend: function() { | |
869 | var text = $D('noVNC_clipboard_text').value; | |
870 | Util.Debug(">> UI.clipSend: " + text.substr(0,40) + "..."); | |
871 | UI.rfb.clipboardPasteFrom(text); | |
872 | Util.Debug("<< UI.clipSend"); | |
873 | }, | |
874 | ||
875 | // Set and configure viewport clipping | |
876 | setViewClip: function(clip) { | |
877 | var display; | |
878 | if (UI.rfb) { | |
879 | display = UI.rfb.get_display(); | |
880 | } else { | |
881 | UI.forceSetting('clip', clip); | |
882 | return; | |
883 | } | |
884 | ||
885 | var cur_clip = display.get_viewport(); | |
886 | ||
887 | if (typeof(clip) !== 'boolean') { | |
888 | // Use current setting | |
889 | clip = UI.getSetting('clip'); | |
890 | } | |
891 | ||
892 | if (clip && !cur_clip) { | |
893 | // Turn clipping on | |
894 | UI.updateSetting('clip', true); | |
895 | } else if (!clip && cur_clip) { | |
896 | // Turn clipping off | |
897 | UI.updateSetting('clip', false); | |
898 | display.set_viewport(false); | |
899 | // Disable max dimensions | |
900 | display.set_maxWidth(0); | |
901 | display.set_maxHeight(0); | |
902 | display.viewportChangeSize(); | |
903 | } | |
904 | if (UI.getSetting('clip')) { | |
905 | // If clipping, update clipping settings | |
906 | display.set_viewport(true); | |
907 | ||
908 | var size = UI.getCanvasLimit(); | |
909 | if (size) { | |
910 | display.set_maxWidth(size.w); | |
911 | display.set_maxHeight(size.h); | |
912 | ||
913 | // Hide potential scrollbars that can skew the position | |
914 | $D('noVNC_container').style.overflow = "hidden"; | |
915 | ||
916 | // The x position marks the left margin of the canvas, | |
917 | // remove the margin from both sides to keep it centered | |
918 | var new_w = size.w - (2 * Util.getPosition($D('noVNC_canvas')).x); | |
919 | ||
920 | $D('noVNC_container').style.overflow = "visible"; | |
921 | ||
922 | display.viewportChangeSize(new_w, size.h); | |
923 | } | |
924 | } | |
925 | }, | |
926 | ||
927 | // Handle special cases where clipping is forced on/off or locked | |
928 | enableDisableViewClip: function () { | |
929 | var resizeElem = $D('noVNC_resize'); | |
930 | var connected = UI.rfb && UI.rfb_state === 'normal'; | |
931 | ||
932 | if (resizeElem.value === 'downscale' || resizeElem.value === 'scale') { | |
933 | // Disable clipping if we are scaling | |
934 | UI.setViewClip(false); | |
935 | $D('noVNC_clip').disabled = true; | |
936 | } else if (document.msFullscreenElement) { | |
937 | // The browser is IE and we are in fullscreen mode. | |
938 | // - We need to force clipping while in fullscreen since | |
939 | // scrollbars doesn't work. | |
940 | UI.togglePopupStatus("Forcing clipping mode since scrollbars aren't supported by IE in fullscreen"); | |
941 | UI.rememberedClipSetting = UI.getSetting('clip'); | |
942 | UI.setViewClip(true); | |
943 | $D('noVNC_clip').disabled = true; | |
944 | } else if (document.body.msRequestFullscreen && UI.rememberedClip !== null) { | |
945 | // Restore view clip to what it was before fullscreen on IE | |
946 | UI.setViewClip(UI.rememberedClipSetting); | |
947 | $D('noVNC_clip').disabled = connected || UI.isTouchDevice; | |
948 | } else { | |
949 | $D('noVNC_clip').disabled = connected || UI.isTouchDevice; | |
950 | if (UI.isTouchDevice) { | |
951 | UI.setViewClip(true); | |
952 | } | |
953 | } | |
954 | }, | |
955 | ||
956 | // Update the viewport drag/move button | |
957 | updateViewDrag: function(drag) { | |
958 | if (!UI.rfb) return; | |
959 | ||
960 | var vmb = $D('noVNC_view_drag_button'); | |
961 | ||
962 | // Check if viewport drag is possible | |
963 | if (UI.rfb_state === 'normal' && | |
964 | UI.rfb.get_display().get_viewport() && | |
965 | UI.rfb.get_display().clippingDisplay()) { | |
966 | ||
967 | // Show and enable the drag button | |
968 | vmb.style.display = "inline"; | |
969 | vmb.disabled = false; | |
970 | ||
971 | } else { | |
972 | // The VNC content is the same size as | |
973 | // or smaller than the display | |
974 | ||
975 | if (UI.rfb.get_viewportDrag) { | |
976 | // Turn off viewport drag when it's | |
977 | // active since it can't be used here | |
978 | vmb.className = "noVNC_status_button"; | |
979 | UI.rfb.set_viewportDrag(false); | |
980 | } | |
981 | ||
982 | // Disable or hide the drag button | |
983 | if (UI.rfb_state === 'normal' && UI.isTouchDevice) { | |
984 | vmb.style.display = "inline"; | |
985 | vmb.disabled = true; | |
986 | } else { | |
987 | vmb.style.display = "none"; | |
988 | } | |
989 | return; | |
990 | } | |
991 | ||
992 | if (typeof(drag) !== "undefined" && | |
993 | typeof(drag) !== "object") { | |
994 | if (drag) { | |
995 | vmb.className = "noVNC_status_button_selected"; | |
996 | UI.rfb.set_viewportDrag(true); | |
997 | } else { | |
998 | vmb.className = "noVNC_status_button"; | |
999 | UI.rfb.set_viewportDrag(false); | |
1000 | } | |
1001 | } | |
1002 | }, | |
1003 | ||
1004 | toggleViewDrag: function() { | |
1005 | if (!UI.rfb) return; | |
1006 | ||
1007 | var vmb = $D('noVNC_view_drag_button'); | |
1008 | if (UI.rfb.get_viewportDrag()) { | |
1009 | vmb.className = "noVNC_status_button"; | |
1010 | UI.rfb.set_viewportDrag(false); | |
1011 | } else { | |
1012 | vmb.className = "noVNC_status_button_selected"; | |
1013 | UI.rfb.set_viewportDrag(true); | |
1014 | } | |
1015 | }, | |
1016 | ||
1017 | // On touch devices, show the OS keyboard | |
1018 | showKeyboard: function() { | |
1019 | var kbi = $D('keyboardinput'); | |
1020 | var skb = $D('showKeyboard'); | |
1021 | var l = kbi.value.length; | |
1022 | if(UI.keyboardVisible === false) { | |
1023 | kbi.focus(); | |
1024 | try { kbi.setSelectionRange(l, l); } // Move the caret to the end | |
1025 | catch (err) {} // setSelectionRange is undefined in Google Chrome | |
1026 | UI.keyboardVisible = true; | |
1027 | skb.className = "noVNC_status_button_selected"; | |
1028 | } else if(UI.keyboardVisible === true) { | |
1029 | kbi.blur(); | |
1030 | skb.className = "noVNC_status_button"; | |
1031 | UI.keyboardVisible = false; | |
1032 | } | |
1033 | }, | |
1034 | ||
1035 | keepKeyboard: function() { | |
1036 | clearTimeout(UI.hideKeyboardTimeout); | |
1037 | if(UI.keyboardVisible === true) { | |
1038 | $D('keyboardinput').focus(); | |
1039 | $D('showKeyboard').className = "noVNC_status_button_selected"; | |
1040 | } else if(UI.keyboardVisible === false) { | |
1041 | $D('keyboardinput').blur(); | |
1042 | $D('showKeyboard').className = "noVNC_status_button"; | |
1043 | } | |
1044 | }, | |
1045 | ||
1046 | keyboardinputReset: function() { | |
1047 | var kbi = $D('keyboardinput'); | |
1048 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); | |
1049 | UI.lastKeyboardinput = kbi.value; | |
1050 | }, | |
1051 | ||
1052 | // When normal keyboard events are left uncought, use the input events from | |
1053 | // the keyboardinput element instead and generate the corresponding key events. | |
1054 | // This code is required since some browsers on Android are inconsistent in | |
1055 | // sending keyCodes in the normal keyboard events when using on screen keyboards. | |
1056 | keyInput: function(event) { | |
1057 | ||
1058 | if (!UI.rfb) return; | |
1059 | ||
1060 | var newValue = event.target.value; | |
1061 | ||
1062 | if (!UI.lastKeyboardinput) { | |
1063 | UI.keyboardinputReset(); | |
1064 | } | |
1065 | var oldValue = UI.lastKeyboardinput; | |
1066 | ||
1067 | var newLen; | |
1068 | try { | |
1069 | // Try to check caret position since whitespace at the end | |
1070 | // will not be considered by value.length in some browsers | |
1071 | newLen = Math.max(event.target.selectionStart, newValue.length); | |
1072 | } catch (err) { | |
1073 | // selectionStart is undefined in Google Chrome | |
1074 | newLen = newValue.length; | |
1075 | } | |
1076 | var oldLen = oldValue.length; | |
1077 | ||
1078 | var backspaces; | |
1079 | var inputs = newLen - oldLen; | |
1080 | if (inputs < 0) { | |
1081 | backspaces = -inputs; | |
1082 | } else { | |
1083 | backspaces = 0; | |
1084 | } | |
1085 | ||
1086 | // Compare the old string with the new to account for | |
1087 | // text-corrections or other input that modify existing text | |
1088 | var i; | |
1089 | for (i = 0; i < Math.min(oldLen, newLen); i++) { | |
1090 | if (newValue.charAt(i) != oldValue.charAt(i)) { | |
1091 | inputs = newLen - i; | |
1092 | backspaces = oldLen - i; | |
1093 | break; | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | // Send the key events | |
1098 | for (i = 0; i < backspaces; i++) { | |
1099 | UI.rfb.sendKey(XK_BackSpace); | |
1100 | } | |
1101 | for (i = newLen - inputs; i < newLen; i++) { | |
1102 | UI.rfb.sendKey(newValue.charCodeAt(i)); | |
1103 | } | |
1104 | ||
1105 | // Control the text content length in the keyboardinput element | |
1106 | if (newLen > 2 * UI.defaultKeyboardinputLen) { | |
1107 | UI.keyboardinputReset(); | |
1108 | } else if (newLen < 1) { | |
1109 | // There always have to be some text in the keyboardinput | |
1110 | // element with which backspace can interact. | |
1111 | UI.keyboardinputReset(); | |
1112 | // This sometimes causes the keyboard to disappear for a second | |
1113 | // but it is required for the android keyboard to recognize that | |
1114 | // text has been added to the field | |
1115 | event.target.blur(); | |
1116 | // This has to be ran outside of the input handler in order to work | |
1117 | setTimeout(function() { UI.keepKeyboard(); }, 0); | |
1118 | } else { | |
1119 | UI.lastKeyboardinput = newValue; | |
1120 | } | |
1121 | }, | |
1122 | ||
1123 | keyInputBlur: function() { | |
1124 | $D('showKeyboard').className = "noVNC_status_button"; | |
1125 | //Weird bug in iOS if you change keyboardVisible | |
1126 | //here it does not actually occur so next time | |
1127 | //you click keyboard icon it doesnt work. | |
1128 | UI.hideKeyboardTimeout = setTimeout(function() { UI.setKeyboard(); },100); | |
1129 | }, | |
1130 | ||
1131 | showExtraKeys: function() { | |
1132 | UI.keepKeyboard(); | |
1133 | if(UI.extraKeysVisible === false) { | |
1134 | $D('toggleCtrlButton').style.display = "inline"; | |
1135 | $D('toggleAltButton').style.display = "inline"; | |
1136 | $D('sendTabButton').style.display = "inline"; | |
1137 | $D('sendEscButton').style.display = "inline"; | |
1138 | $D('showExtraKeysButton').className = "noVNC_status_button_selected"; | |
1139 | UI.extraKeysVisible = true; | |
1140 | } else if(UI.extraKeysVisible === true) { | |
1141 | $D('toggleCtrlButton').style.display = ""; | |
1142 | $D('toggleAltButton').style.display = ""; | |
1143 | $D('sendTabButton').style.display = ""; | |
1144 | $D('sendEscButton').style.display = ""; | |
1145 | $D('showExtraKeysButton').className = "noVNC_status_button"; | |
1146 | UI.extraKeysVisible = false; | |
1147 | } | |
1148 | }, | |
1149 | ||
1150 | toggleCtrl: function() { | |
1151 | UI.keepKeyboard(); | |
1152 | if(UI.ctrlOn === false) { | |
1153 | UI.rfb.sendKey(XK_Control_L, true); | |
1154 | $D('toggleCtrlButton').className = "noVNC_status_button_selected"; | |
1155 | UI.ctrlOn = true; | |
1156 | } else if(UI.ctrlOn === true) { | |
1157 | UI.rfb.sendKey(XK_Control_L, false); | |
1158 | $D('toggleCtrlButton').className = "noVNC_status_button"; | |
1159 | UI.ctrlOn = false; | |
1160 | } | |
1161 | }, | |
1162 | ||
1163 | toggleAlt: function() { | |
1164 | UI.keepKeyboard(); | |
1165 | if(UI.altOn === false) { | |
1166 | UI.rfb.sendKey(XK_Alt_L, true); | |
1167 | $D('toggleAltButton').className = "noVNC_status_button_selected"; | |
1168 | UI.altOn = true; | |
1169 | } else if(UI.altOn === true) { | |
1170 | UI.rfb.sendKey(XK_Alt_L, false); | |
1171 | $D('toggleAltButton').className = "noVNC_status_button"; | |
1172 | UI.altOn = false; | |
1173 | } | |
1174 | }, | |
1175 | ||
1176 | sendTab: function() { | |
1177 | UI.keepKeyboard(); | |
1178 | UI.rfb.sendKey(XK_Tab); | |
1179 | }, | |
1180 | ||
1181 | sendEsc: function() { | |
1182 | UI.keepKeyboard(); | |
1183 | UI.rfb.sendKey(XK_Escape); | |
1184 | }, | |
1185 | ||
1186 | setKeyboard: function() { | |
1187 | UI.keyboardVisible = false; | |
1188 | }, | |
1189 | ||
1190 | //Helper to add options to dropdown. | |
1191 | addOption: function(selectbox, text, value) { | |
1192 | var optn = document.createElement("OPTION"); | |
1193 | optn.text = text; | |
1194 | optn.value = value; | |
1195 | selectbox.options.add(optn); | |
1196 | }, | |
1197 | ||
1198 | setBarPosition: function() { | |
1199 | $D('noVNC-control-bar').style.top = (window.pageYOffset) + 'px'; | |
1200 | $D('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px'; | |
1201 | ||
1202 | var vncwidth = $D('noVNC_screen').style.offsetWidth; | |
1203 | $D('noVNC-control-bar').style.width = vncwidth + 'px'; | |
1204 | } | |
1205 | ||
1206 | }; | |
1207 | })(); |