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terminal.js
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terminal.js
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// TODO: Make it so you can call 'new Terminal()' or something like that to get a singular object to control terminals.
// GateOne.Terminal gets its own sandbox to avoid a constant barrage of circular references on the garbage collector
GateOne.Base.superSandbox("GateOne.Terminal", ["GateOne.Visual", "GateOne.User.__initialized__", "GateOne.Input", "GateOne.Storage"], function(window, undefined) {
"use strict";
// Sandbox-wide shortcuts
var go = GateOne,
prefix = go.prefs.prefix,
u = go.Utils,
v = go.Visual,
E = go.Events,
I = go.Input,
S = go.Storage,
t, // Will be GateOne.Terminal (set below via the GateOne.Base.module() method)
gettext = GateOne.i18n.gettext,
urlObj = (window.URL || window.webkitURL),
logFatal = GateOne.Logging.logFatal,
logError = GateOne.Logging.logError,
logWarning = GateOne.Logging.logWarning,
logInfo = GateOne.Logging.logInfo,
logDebug = GateOne.Logging.logDebug,
// Firefox doesn't support 'mousewheel'
mousewheelevt = (/Firefox/i.test(navigator.userAgent))? "DOMMouseScroll" : "mousewheel";
// Icons used in this application:
go.Icons.terminal = '<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="15.938" width="18" viewBox="0 0 18 18" version="1.1" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/"><defs><linearGradient id="linearGradient10820" x1="567.96" gradientUnits="userSpaceOnUse" y1="674.11" gradientTransform="matrix(0.21199852,0,0,0.19338189,198.64165,418.2867)" x2="567.96" y2="756.67"><stop class="✈stop1" offset="0"/><stop class="✈stop2" offset="0.4944"/><stop class="✈stop3" offset="0.5"/><stop class="✈stop4" offset="1"/></linearGradient></defs><metadata><rdf:RDF><cc:Work rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/><dc:title/></cc:Work></rdf:RDF></metadata><g transform="translate(-310.03125,-548.65625)"><path fill="url(#linearGradient10820)" d="m310.03,548.66,0,13.5,6.4062,0-0.40625,2.4375,5.6562-0.0312-0.46875-2.4062,6.8125,0,0-13.5-18,0zm1.25,1.125,15.531,0,0,11.219-15.531,0,0-11.219z"/></g><g style="letter-spacing:0px;text-anchor:middle;word-spacing:0px;text-align:center;" line-height="125%" font-weight="normal" font-size="17.85666656px" transform="scale(1.0177209,0.98258768)" font-stretch="normal" font-variant="normal" font-style="normal" font-family="DejaVu Sans" class="✈svg"><path d="m4.3602,8.4883,0,0.75202-0.44794,0,0-0.72259c-0.49699,3E-7-0.8948-0.076292-1.1934-0.22888v-0.56238c0.42723,0.20054,0.82504,0.30081,1.1934,0.30081v-1.419c-0.4207-0.1394-0.7161-0.2975-0.8861-0.474-0.1679-0.1788-0.2518-0.4185-0.2518-0.7194,0-0.2855,0.1003-0.522,0.3008-0.7095,0.2006-0.1874,0.4796-0.303,0.8371-0.3466v-0.58854h0.44794v0.57546c0.40761,0.019622,0.77381,0.10463,1.0986,0.25503l-0.2158,0.4741c-0.3052-0.1351-0.5994-0.2136-0.8828-0.2354v1.3798c0.4338,0.1482,0.7379,0.3106,0.9122,0.4872,0.1766,0.1743,0.2649,0.4032,0.2649,0.6866,0,0.6103-0.3924,0.9754-1.1771,1.0953m-0.4479-2.4293v-1.2065c-0.37492,0.063217-0.56238,0.25286-0.56238,0.56892-0.0000012,0.17003,0.043594,0.3019,0.13079,0.39563,0.089369,0.093733,0.23323,0.17438,0.43159,0.24195m0.44794,0.71605,0,1.2196c0.4011-0.061,0.6016-0.2616,0.6016-0.6016,0-0.2768-0.2005-0.4828-0.6016-0.618"/></g><g style="letter-spacing:0px;text-anchor:middle;word-spacing:0px;text-align:center;" line-height="125%" font-weight="normal" font-size="6.54116535px" transform="scale(0.84851886,1.1785242)" font-stretch="normal" font-variant="normal" font-style="normal" font-family="Droid Sans Mono" class="✈svg"><path style="" d="m12.145,7.6556-4.0212,0,0-0.44715,4.0212,0,0,0.44715"/></g></svg>';
// Setup some defaults for our terminal-specific prefs
go.prefs.webWorker = go.prefs.webWorker || null; // This is the fallback path to the Terminal's screen processing Web Worker (term_ww.js). You should only ever have to change this when embedding and your Gate One server is listening on a different port than your app's web server. In such situations you'd want to copy term_ww.js to some location on your server and set this variable to that path (e.g. 'https://your-app.company.com/static/term_ww.js').
go.prefs.rows = go.prefs.rows || null; // Override the automatically calculated value (null means fill the window)
go.prefs.columns = go.prefs.columns || null; // Ditto
go.prefs.highlightSelection = go.prefs.highlightSelection || true; // If false selecting text will not result in other occurences of that text being highlighted
go.prefs.audibleBell = go.prefs.audibleBell || true; // If false, the bell sound will not be played (visual notification will still occur),
go.prefs.bellSound = go.prefs.bellSound || ''; // Stores the bell sound data::URI (cached).
go.prefs.bellSoundType = go.prefs.bellSoundType || ''; // Stores the mimetype of the bell sound.
go.prefs.terminalFont = go.prefs.terminalFont || 'Ubuntu Mono'; // The font-family to use inside of terminals (e.g. 'monospace', 'Ubuntu Mono', etc)
go.prefs.terminalFontSize = go.prefs.terminalFontSize || '90%'; // The font-size to use inside of terminals (e.g. '90%', '0.9em', '12pt', etc)
go.prefs.colors = go.prefs.colors || 'default'; // The color scheme to use (e.g. 'default', 'gnome-terminal', etc)
go.prefs.disableTermTransitions = go.prefs.disableTermTransitions || false; // Disabled the sliding animation on terminals to make switching faster
go.prefs.rowAdjust = go.prefs.rowAdjust || 0; // When the terminal rows are calculated they will be decreased by this amount (e.g. to make room for the playback controls).
// rowAdjust is necessary so that plugins can increment it if they're adding things to the top or bottom of GateOne.
go.prefs.colAdjust = go.prefs.colAdjust || 0; // Just like rowAdjust but it controls how many columns are removed from the calculated terminal dimensions before they're sent to the server.
if(isNaN(go.prefs.scrollback)) {
go.prefs.scrollback = 500;
}
// This ensures that the webWorker setting isn't stored in the user's prefs in localStorage:
go.noSavePrefs.webWorker = null;
go.noSavePrefs.rowAdjust = null;
go.noSavePrefs.colAdjust = null;
t = go.Base.module(GateOne, "Terminal", "1.2", ['Base', 'Utils', 'Visual']);
t.terminals = { // For keeping track of running terminals
count: function() { // A useful function (terminals can be differentiated because they'll always be integers)
// Returns the number of open terminals
var counter = 0, term;
for (term in t.terminals) {
if (term % 1 === 0) {
counter += 1;
}
}
return counter;
}
};
// These two variables are semi-constants that are used in determining the size of terminals. They make room for...
t.colAdjust = 4; // The scrollbar (4 chars of width is usually enough)
t.rowAdjust = 0; // The row that gets cut off at the top of the terminal by the browser (when doing our row/columns calculation)
// All updateTermCallbacks are executed whenever a terminal is updated like so: callback(<term number>)
// Plugins can register updateTermCallbacks by simply doing a push(): GateOne.Terminal.updateTermCallbacks.push(myFunc);
t.updateTermCallbacks = []; // DEPRECATED
// All defined newTermCallbacks are executed whenever a new terminal is created like so: callback(<term number>)
t.newTermCallbacks = []; // DEPRECATED
// All defined closeTermCallbacks are executed whenever a terminal is closed just like newTermCallbacks: callback(<term number>)
t.closeTermCallbacks = []; // DEPRECATED
// All defined reattachTerminalsCallbacks are executed whenever the reattachTerminalsAction is called. It is important to register a callback here when in embedded mode (if you want to place terminals in a specific location).
t.reattachTerminalsCallbacks = []; // DEPRECATED
t.scrollbackToggle = false;
t.textTransforms = {}; // Can be used to transform text (e.g. into clickable links). Use registerTextTransform() to add new ones.
t.lastTermNumber = 0; // Starts at 0 since newTerminal() increments it by 1
t.manualTitle = false; // If a user overrides the title this variable will be used to keep track of that so setTitleAction won't overwrite it
t.scrollbarWidth = null; // Used to keep track of the scrollbar width so we can adjust the toolbar appropriately. It is saved here since we have to measure the inside of a terminal to get this value reliably.
t.dbVersion = 1; // NOTE: Must be an integer (no floats!)
t.terminalDBModel = {
'scrollback': {keyPath: 'term'} // Just storing the scrollback buffer for now
};
t.outputSuspended = gettext("Terminal output has been suspended (Ctrl-S). Type Ctrl-Q to resume.");
t.warnedAboutVoiceExt = false; // Tracks whether we've already warned the user about the presence of a problem extension.
t.sharedTerminals = {}; // Just a placeholder; gets replaced by the server after something gets shared for the first time
go.Base.update(GateOne.Terminal, {
__appinfo__: {
'name': 'Terminal',
'module': 'GateOne.Terminal',
'icon': function(settings) {
if (settings['icon']) {
return settings['icon'];
} else {
return go.Icons.terminal;
}
},
'relocatable': true
},
__new__: function(settings, /*opt*/where) {
/**:GateOne.Terminal.__new__(settings[, where])
Called when a user clicks on the Terminal Application in the New Workspace Workspace (or anything that happens to call __new__()).
:settings: An object containing the settings that will control how the new terminal is created. Typically contains the application's 'info' data from the server.
:where: An optional querySelector-like string or DOM node where the new Terminal should be placed. If not given a new workspace will be created to contain the Terminal.
*/
logDebug("GateOne.Terminal.__new__(" + JSON.stringify(settings) + ")");
var term, voiceExtDetected,
// NOTE: Most of these will always be empty/undefined/null except in special embedded situations
termSettings = {
'metadata': settings.metadata || {},
'command': settings['command'] || settings['sub_application'] || null
};
if (settings['encoding']) {
encoding = settings['encoding'];
}
where = where || go.Visual.newWorkspace();
if (go.ws.readyState == 1) { // Only open a new terminal if we're connected
if (!go.Terminal.warnedAboutVoiceExt) {
if (GateOne.Terminal.hasVoiceExt()) {
v.alert(gettext("WARNING: Problematic Browser Extension Detected"),
"<p><b>"+gettext("Warning:")+"</b>"+gettext(" An extension was detected that can result in a severe negative impact on terminal performance (Google Voice). The extension is modifying the web page every time there's a screen update (what it thinks are phone numbers are being converted into clickable links). Please disable the 'Clickable Links' feature of the extension, turn it off for this web site (if possible), or disable it entirely.")+"</p>");
}
go.Terminal.warnedAboutVoiceExt = true;
}
term = go.Terminal.newTerminal(null, termSettings, where);
} else {
v.closeWorkspace(workspace);
v.displayMessage(gettex("Please wait until Gate One is reconnected."));
v.appChooser();
}
},
init: function() {
logDebug("Terminal.init()");
var t = go.Terminal,
term = localStorage[prefix+'selectedTerminal'],
div = u.createElement('div', {'id': 'info_actions', 'style': {'padding-bottom': '0.4em'}}),
tableDiv = u.createElement('div', {'class': '✈paneltable', 'style': {'display': 'table', 'padding': '0.5em'}}),
tableDiv2 = u.createElement('div', {'class': '✈paneltable', 'style': {'display': 'table', 'padding': '0.5em'}}),
infoPanel = u.createElement('div', {'id': 'panel_info', 'class': '✈panel'}),
panelClose = u.createElement('div', {'id': 'icon_closepanel', 'class': '✈panel_close_icon', 'title': gettext("Close This Panel")}),
infoPanelRow1 = u.createElement('div', {'class': '✈paneltablerow', 'id': 'panel_inforow1'}),
infoPanelRow2 = u.createElement('div', {'class': '✈paneltablerow', 'id': 'panel_inforow2'}),
infoPanelRow3 = u.createElement('div', {'class': '✈paneltablerow', 'id': 'panel_inforow3'}),
infoPanelRow4 = u.createElement('div', {'class': '✈paneltablerow', 'id': 'panel_inforow4'}),
infoPanelRow5 = u.createElement('div', {'class': '✈paneltablerow', 'id': 'panel_inforow5'}),
infoPanelRow6 = u.createElement('div', {'class': '✈paneltablerow', 'id': 'panel_inforow6'}),
infoPanelRow7 = u.createElement('div', {'class': '✈paneltablerow', 'id': 'panel_inforow7'}),
infoPanelH2 = u.createElement('h2', {'id': 'termtitle'}),
infoPanelTimeLabel = u.createElement('span', {'id': 'term_time_label', 'style': {'display': 'table-cell'}}),
infoPanelTime = u.createElement('span', {'id': 'term_time', 'style': {'display': 'table-cell'}}),
infoPanelRowsLabel = u.createElement('span', {'id': 'rows_label', 'style': {'display': 'table-cell'}}),
infoPanelRows = u.createElement('span', {'id': 'rows', 'style': {'display': 'table-cell'}}),
infoPanelColsLabel = u.createElement('span', {'id': 'cols_label', 'style': {'display': 'table-cell'}}),
infoPanelCols = u.createElement('span', {'id': 'columns', 'style': {'display': 'table-cell'}}),
infoPanelBackspaceLabel = u.createElement('span', {'id': 'backspace_label', 'style': {'display': 'table-cell'}}),
infoPanelBackspace = u.createElement('span', {'id': 'backspace', 'style': {'display': 'table-cell'}}),
infoPanelBackspaceCheckH = u.createElement('input', {'type': 'radio', 'id': 'backspace_h', 'name': 'backspace', 'value': '^H', 'style': {'display': 'table-cell'}}),
infoPanelBackspaceCheckQ = u.createElement('input', {'type': 'radio', 'id': 'backspace_q', 'name': 'backspace', 'value': '^?', 'style': {'display': 'table-cell'}}),
infoPanelEncodingLabel = u.createElement('span', {'id': 'encoding_label', 'style': {'display': 'table-cell'}}),
infoPanelEncoding = u.createElement('input', {'type': 'text', 'id': 'encoding', 'name': 'encoding', 'value': 'utf-8', 'style': {'display': 'table-cell'}}),
infoPanelKeyboardLabel = u.createElement('span', {'id': 'keyboard_label', 'class':'✈paneltablelabel'}),
infoPanelKeyboard = u.createElement('select', {'id': 'keyboard', 'name':'keyboard', 'style': {'display': 'table-cell'}}),
infoPanelSaveRecording = u.createElement('button', {'id': 'saverecording', 'type': 'submit', 'value': gettext('Submit'), 'class': '✈button ✈black'}),
infoPanelMonitorActivity = u.createElement('input', {'id': 'monitor_activity', 'type': 'checkbox', 'name': 'monitor_activity', 'value': 'monitor_activity', 'style': {'margin-right': '0.5em'}}),
infoPanelMonitorActivityLabel = u.createElement('span'),
infoPanelMonitorInactivity = u.createElement('input', {'id': 'monitor_inactivity', 'type': 'checkbox', 'name': 'monitor_inactivity', 'value': 'monitor_inactivity', 'style': {'margin-right': '0.5em'}}),
infoPanelMonitorInactivityLabel = u.createElement('span'),
infoPanelInactivityInterval = u.createElement('input', {'id': 'inactivity_interval', 'type': 'number', 'step': 'any', 'name': prefix+'inactivity_interval', 'size': 3, 'value': 10, 'style': {'margin-right': '0.5em', 'text-align': 'right', 'width': '4em'}}),
infoPanelInactivityIntervalLabel = u.createElement('span'),
goDiv = u.getNode(go.prefs.goDiv),
termSharingButton = u.createElement('button', {'id': 'term_sharing', 'type': 'submit', 'value': gettext('Submit'), 'class': '✈button ✈black ✈tooltip'}),
resetTermButton = u.createElement('button', {'id': 'reset_terminal', 'type': 'submit', 'value': gettext('Submit'), 'class': '✈button ✈black ✈tooltip'}),
cmdQueryString = u.getQueryVariable('terminal_cmd'),
switchTerm = function() {
if (localStorage[prefix+'selectedTerminal']) {
go.Terminal.switchTerminal(localStorage[prefix+'selectedTerminal']);
}
},
updatePrefsfunc = function(panelNode) {
if (panelNode.id == prefix+'panel_prefs') {
go.ws.send(JSON.stringify({'terminal:enumerate_fonts': null}));
go.ws.send(JSON.stringify({'terminal:enumerate_colors': null}));
}
},
transitionEndFunc = function(wsNode) { // Called after workspaces are switched
if (go.User.activeApplication == "Terminal") {
go.Terminal.alignTerminal();
} else {
go.Terminal.Input.disableCapture(null, true); // Force capture off
}
};
if (cmdQueryString) {
go.Terminal.defaultCommand = cmdQueryString;
}
// Create our Terminal panel
infoPanelH2.innerHTML = "Gate One";
infoPanelH2.title = gettext("Click to edit. Leave blank for default.");
panelClose.innerHTML = go.Icons['panelclose'];
panelClose.onclick = function(e) {
v.togglePanel('#'+prefix+'panel_info'); // Scale away, scale away, scale away.
}
infoPanelTimeLabel.innerHTML = "<b>"+gettext("Connected Since:")+"</b> ";
infoPanelRowsLabel.innerHTML = "<b>"+gettext("Rows:")+"</b> ";
infoPanelRows.innerHTML = go.prefs.rows; // Will be replaced
infoPanelColsLabel.innerHTML = "<b>"+gettext("Columns:")+"</b> ";
infoPanelCols.innerHTML = go.prefs.columns; // Will be replaced
infoPanelBackspaceLabel.innerHTML = "<b>"+gettext("Backspace Key:")+"</b> ";
infoPanelBackspaceCheckQ.checked = true;
infoPanelBackspaceCheckQ.onclick = function(e) {
var term = localStorage[prefix+'selectedTerminal'];
go.Terminal.terminals[term]['backspace'] = String.fromCharCode(127);
}
infoPanelBackspaceCheckH.onclick = function(e) {
var term = localStorage[prefix+'selectedTerminal'];
go.Terminal.terminals[term]['backspace'] = String.fromCharCode(8);
}
infoPanelBackspace.appendChild(infoPanelBackspaceCheckH);
infoPanelBackspace.appendChild(infoPanelBackspaceCheckQ);
infoPanelEncodingLabel.innerHTML = "<b>"+gettext("Encoding:")+"</b> ";
infoPanelEncoding.onblur = function(e) {
// When the user is done editing their encoding make the change immediately
var term = localStorage[prefix+'selectedTerminal'];
go.Terminal.terminals[term]['encoding'] = this.value;
go.ws.send(JSON.stringify({'terminal:set_encoding': {'term': term, 'encoding': this.value}}));
}
infoPanelKeyboardLabel.innerHTML = "<b>"+gettext("Keyboard Mode")+"</b>";
// TODO: Move these keyboard modes to a global somewhere so we can stay better organized.
infoPanelKeyboard.add(new Option("default", "default"), null);
infoPanelKeyboard.add(new Option("xterm", "xterm"), null);
infoPanelKeyboard.add(new Option("sco", "sco"), null);
infoPanelKeyboard.onblur = function(e) {
// When the user is done editing their encoding make the change immediately
var term = localStorage[prefix+'selectedTerminal'];
go.Terminal.terminals[term]['keyboard'] = this.value;
go.ws.send(JSON.stringify({'terminal:set_keyboard_mode': {'term': term, 'mode': this.value}}));
}
infoPanel.appendChild(infoPanelH2);
infoPanel.appendChild(panelClose);
infoPanel.appendChild(div);
infoPanel.appendChild(tableDiv);
infoPanel.appendChild(tableDiv2);
infoPanelBackspaceCheckQ.insertAdjacentHTML('afterend', "^?");
infoPanelBackspaceCheckH.insertAdjacentHTML('afterend', "^H");
infoPanelRow1.appendChild(infoPanelTimeLabel);
infoPanelRow1.appendChild(infoPanelTime);
infoPanelRow2.appendChild(infoPanelRowsLabel);
infoPanelRow2.appendChild(infoPanelRows);
infoPanelRow3.appendChild(infoPanelColsLabel);
infoPanelRow3.appendChild(infoPanelCols);
infoPanelRow4.appendChild(infoPanelBackspaceLabel);
infoPanelRow4.appendChild(infoPanelBackspace);
infoPanelRow5.appendChild(infoPanelEncodingLabel);
infoPanelRow5.appendChild(infoPanelEncoding);
infoPanelRow6.appendChild(infoPanelKeyboardLabel);
infoPanelRow6.appendChild(infoPanelKeyboard);
tableDiv.appendChild(infoPanelRow1);
tableDiv.appendChild(infoPanelRow2);
tableDiv.appendChild(infoPanelRow3);
tableDiv.appendChild(infoPanelRow4);
tableDiv.appendChild(infoPanelRow5);
tableDiv.appendChild(infoPanelRow6);
infoPanelMonitorActivityLabel.innerHTML = gettext("Monitor for Activity")+"<br />";
infoPanelMonitorInactivityLabel.innerHTML = gettext("Monitor for ");
infoPanelInactivityIntervalLabel.innerHTML = gettext("Seconds of Inactivity");
infoPanelInactivityInterval.value = "10";
infoPanelRow7.appendChild(infoPanelMonitorActivity);
infoPanelRow7.appendChild(infoPanelMonitorActivityLabel);
infoPanelRow7.appendChild(infoPanelMonitorInactivity);
infoPanelRow7.appendChild(infoPanelMonitorInactivityLabel);
infoPanelRow7.appendChild(infoPanelInactivityInterval);
infoPanelRow7.appendChild(infoPanelInactivityIntervalLabel);
tableDiv2.appendChild(infoPanelRow7);
u.hideElement(infoPanel); // Start out hidden
v.applyTransform(infoPanel, 'scale(0)');
goDiv.appendChild(infoPanel); // Doesn't really matter where it goes
infoPanelMonitorInactivity.onclick = function(e) {
// Turn on/off inactivity monitoring
var term = localStorage[prefix+'selectedTerminal'],
monitorInactivity = u.getNode('#'+prefix+'monitor_inactivity'),
monitorActivity = u.getNode('#'+prefix+'monitor_activity'),
termTitle = go.Terminal.terminals[term].title,
inactivity;
if (monitorInactivity.checked) {
inactivity = function() {
go.Terminal.notifyInactivity(term + ': ' + termTitle);
// Restart the timer
go.Terminal.terminals[term].inactivityTimer = setTimeout(inactivity, go.Terminal.terminals[term].inactivityTimeout);
};
go.Terminal.terminals[term].inactivityTimeout = parseInt(infoPanelInactivityInterval.value) * 1000 || 10000; // Ten second default
go.Terminal.terminals[term].inactivityTimer = setTimeout(inactivity, go.Terminal.terminals[term].inactivityTimeout);
go.Visual.displayMessage(gettext("Now monitoring for inactivity in terminal: ") + term);
if (go.Terminal.terminals[term].activityNotify) {
// Turn off monitoring for activity if we're now going to monitor for inactivity
go.Terminal.terminals[term].activityNotify = false;
monitorActivity.checked = false;
}
} else {
monitorInactivity.checked = false;
clearTimeout(go.Terminal.terminals[term].inactivityTimer);
go.Terminal.terminals[term].inactivityTimer = false;
}
}
infoPanelMonitorActivity.onclick = function() {
// Turn on/off activity monitoring
var term = localStorage[prefix+'selectedTerminal'],
monitorInactivity = u.getNode('#'+prefix+'monitor_inactivity'),
monitorActivity = u.getNode('#'+prefix+'monitor_activity');
if (monitorActivity.checked) {
go.Terminal.terminals[term].activityNotify = true;
go.Visual.displayMessage(gettext("Now monitoring for activity in terminal: ") + term);
if (go.Terminal.terminals[term].inactivityTimer) {
// Turn off monitoring for activity if we're now going to monitor for inactivity
clearTimeout(go.Terminal.terminals[term].inactivityTimer);
go.Terminal.terminals[term].inactivityTimer = false;
monitorInactivity.checked = false;
}
} else {
monitorActivity.checked = false;
go.Terminal.terminals[term].activityNotify = false;
}
}
infoPanelInactivityInterval.onblur = function(e) {
// Update go.Terminal.terminals[term].inactivityTimeout with the this.value
var term = localStorage[prefix+'selectedTerminal'];
go.Terminal.terminals[term].inactivityTimeout = parseInt(this.value) * 1000;
}
var editTitle = function(e) {
var term = localStorage[prefix+'selectedTerminal'],
title = go.Terminal.terminals[term].title,
titleEdit = u.createElement('input', {'type': 'text', 'name': 'title', 'value': title, 'id': go.prefs.prefix + 'title_edit'}),
finishEditing = function(e) {
var newTitle = titleEdit.value,
termObj = u.getNode('#'+prefix+'term' + term);
// Send a message to the server with the new title so it can stay in sync if the user reloads the page or reconnects from a different browser/machine
go.ws.send(JSON.stringify({'terminal:manual_title': {'term': term, 'title': newTitle}}));
infoPanelH2.innerHTML = newTitle;
infoPanelH2.onclick = editTitle;
go.Terminal.displayTermInfo(term);
go.Terminal.Input.capture();
};
go.Terminal.Input.disableCapture();
titleEdit.onblur = finishEditing;
titleEdit.onkeypress = function(e) {
if (go.Input.key(e).code == 13) { // Enter key
finishEditing(e);
}
}
this.onclick = null;
this.innerHTML = "";
this.appendChild(titleEdit);
titleEdit.focus();
titleEdit.select();
}
infoPanelH2.onclick = editTitle;
termSharingButton.innerHTML = gettext("Terminal Sharing");
termSharingButton.title = gettext("Opens up the terminal sharing control panel for this terminal.");
termSharingButton.onclick = function() {
go.Terminal.shareDialog(localStorage[prefix+'selectedTerminal']);
v.togglePanel('#'+prefix+'panel_info');
}
resetTermButton.innerHTML = gettext("Rescue Terminal");
resetTermButton.title = gettext("Attempts to rescue a hung terminal by performing a terminal reset; the equivalent of executing the 'reset' command.");
resetTermButton.onclick = function() {
go.ws.send(JSON.stringify({'terminal:reset_terminal': localStorage[prefix+'selectedTerminal']}));
}
div.appendChild(resetTermButton);
div.appendChild(termSharingButton);
if (go.prefs.scrollback == 0) {
go.Terminal.colAdjust = 1; // No scrollbar so we can use the extra space
}
// Register our keyboard shortcuts
if (!go.prefs.embedded) {
// Pseudo print dialog
E.on("terminal:keyup:meta-p", function() { GateOne.Terminal.printScreen(); });
// Helpful message so the user doesn't get confused as to why their terminal stopped working:
E.on("terminal:keyup:ctrl-s", function() {
GateOne.Visual.displayMessage(GateOne.Terminal.outputSuspended); t.Input.queue(String.fromCharCode(19)); GateOne.Net.sendChars();
});
// Ctrl-Alt-P to open a popup terminal
E.on("go:keyup:ctrl-alt-p", function() { GateOne.Terminal.popupTerm(null, {"global": false}); });
E.on("terminal:new_terminal", go.Terminal.showIcons);
E.on("go:ws_transitionend", transitionEndFunc);
}
// Load the bell sound from the cache. If that fails ask the server to send us the file.
if (go.prefs.bellSound.length) {
logDebug("Existing bell sound found");
go.Terminal.loadBell({'mimetype': go.prefs.bellSoundType, 'data_uri': go.prefs.bellSound});
} else {
logDebug("Attempting to download our bell sound...");
go.ws.send(JSON.stringify({'terminal:get_bell': null}));
}
// Load the Web Worker
if (!go.prefs.webWorker) {
go.prefs.webWorker = go.prefs.url + 'terminal/static/webworkers/term_ww.js';
}
logDebug(gettext("Attempting to download our WebWorker..."));
go.ws.send(JSON.stringify({'terminal:get_webworker': null}));
// Get shift-Insert working in a natural way (NOTE: Will only work when Gate One is the active element on the page)
E.on("terminal:keyup:shift-insert", go.Terminal.paste);
// Register our actions
go.Net.addAction('terminal:commands_list', go.Terminal.enumerateCommandsAction);
go.Net.addAction('terminal:fonts_list', go.Terminal.enumerateFontsAction);
go.Net.addAction('terminal:colors_list', go.Terminal.enumerateColorsAction);
go.Net.addAction('terminal:terminals', go.Terminal.reattachTerminalsAction);
go.Net.addAction('terminal:termupdate', go.Terminal.updateTerminalAction);
go.Net.addAction('terminal:set_title', go.Terminal.setTitleAction);
go.Net.addAction('terminal:resize', go.Terminal.resizeAction);
go.Net.addAction('terminal:term_ended', go.Terminal.closeTerminal);
go.Net.addAction('terminal:term_exists', go.Terminal.reconnectTerminalAction);
go.Net.addAction('terminal:term_moved', go.Terminal.moveTerminalAction);
go.Net.addAction('terminal:term_locations', go.Terminal.locationsAction);
go.Net.addAction('terminal:set_mode', go.Terminal.setModeAction); // For things like application cursor keys
go.Net.addAction('terminal:reset_client_terminal', go.Terminal.resetTerminalAction);
go.Net.addAction('terminal:load_webworker', go.Terminal.loadWebWorkerAction);
go.Net.addAction('terminal:bell', go.Terminal.bellAction);
go.Net.addAction('terminal:load_bell', go.Terminal.loadBell);
go.Net.addAction('terminal:encoding', go.Terminal.termEncodingAction);
go.Net.addAction('terminal:keyboard_mode', go.Terminal.termKeyboardModeAction);
go.Net.addAction('terminal:shared_terminals', go.Terminal.sharedTerminalsAction);
go.Net.addAction('terminal:captured_data', go.Terminal.capturedData);
go.Terminal.createPrefsPanel();
E.on("go:panel_toggle:in", updatePrefsfunc);
E.on("go:restore_defaults", function() {
go.prefs['colors'] = "default";
go.prefs['disableTermTransitions'] = false;
go.prefs.scrollback = 500;
go.prefs.rows = null;
go.prefs.columns = null;
go.prefs['highlightSelection'] = true;
go.prefs['audibleBell'] = true;
go.prefs['bellSound'] = '';
go.prefs['bellSoundType'] = '';
});
E.on("terminal:switch_terminal", go.Terminal.switchTerminalEvent);
E.on("go:switch_workspace", go.Terminal.switchWorkspaceEvent);
E.on("go:relocate_workspace", go.Terminal.relocateWorkspaceEvent);
E.on("go:close_workspace", go.Terminal.workspaceClosedEvent);
E.on("go:swapped_workspaces", go.Terminal.swappedWorkspacesEvent);
E.on("go:grid_view:open", function() {
go.Terminal.disableScrollback();
// Ensure any scaled terminals are un-scaled so there's no overlap:
v.applyTransform(u.getNodes('.✈terminal_pre'), '');
u.hideElements('.✈pastearea');
go.Terminal.Input.disableCapture(null, true);
});
E.on("go:grid_view:close", function() {
go.Terminal.enableScrollback();
u.showElements('.✈pastearea');
setTimeout(go.Terminal.alignTerminal, 1000);
go.Terminal.Input.capture();
});
E.on("go:connnection_established", go.Terminal.reconnectEvent);
go.Terminal.loadFont();
go.Terminal.loadTextColors();
E.on("go:css_loaded", function() {
if (!go.Terminal.loadEventsAttached) {
// This ensures that whatever effects are applied to a terminal applied when resized too:
E.on("go:update_dimensions", go.Terminal.onResizeEvent);
E.on("go:pane_split", function(pane) {
go.Terminal.onResizeEvent();
go.Terminal.recordPanePositions(pane);
});
E.on("go:update_dimensions", switchTerm); // go:update_dimensions gets called many times on page load so we attach this event a bit later in the process.
if (!go.prefs.broadcastTerminal) {
go.Terminal.getOpenTerminals(); // Tells the server to tell us what's already running (if anything)
go.ws.send(JSON.stringify({'terminal:enumerate_commands': null}));
go.Terminal.listSharedTerminals();
if (cmdQueryString) {
E.on("terminal:term_reattach", function(termNums, terminals) {
if (!termNums.length) {
go.Terminal.newTerminal(); // Open up a new terminal right away if the terminal_cmd query string is provided
}
});
}
}
go.ws.send(JSON.stringify({'terminal:enumerate_fonts': null}));
go.ws.send(JSON.stringify({'terminal:enumerate_colors': null}));
go.Terminal.loadEventsAttached = true;
}
});
E.on("go:set_location", go.Terminal.changeLocation);
E.on("terminal:resume_popup", function(term, termObj) {
setTimeout(function() {
// Popup terminals need a moment so they can finish being drawn
var options = {};
if (termObj.metadata) {
if (termObj.metadata.where) {
options.where = u.getNode('#' + termObj.metadata.where) || u.getNode('.' + termObj.metadata.where);
}
}
go.Terminal.popupTerm(term, options);
}, 1150);
});
// E.on("terminal:term_closed", function(term) {
// // Check if the closed terminal belonged to someone else (shared) and tell the server to detach it if necessary
// logDebug("term_closed: " + term);
// });
// Open/Create our terminal database
S.openDB('terminal', go.Terminal.setDBReady, go.Terminal.terminalDBModel, go.Terminal.dbVersion);
// Cleanup any old-style scrollback buffers that might be hanging around
for (var key in localStorage) {
if (key.indexOf(prefix+'scrollback') == 0) { // This is an old-style scrollback buffer
delete localStorage[key];
}
}
},
hasVoiceExt: function() {
/**:GateOne.Terminal.hasVoiceExt()
This function returns ``true`` if an extension is detected that converts phone numbers into clickable links (e.g. Google Voice). Such browser extensions can have a *severe* negative performance impact while using terminals (every screen update requires a re-scan of the entire page!).
*/
var testNode = u.createElement('div', {'class': '✈phonenumbercheck', 'style': {'position': 'absolute', 'top': 0, 'left': 0}}),
originalHTML = "<span>904-555-1212</span>",
detected = false;
v.applyTransform(testNode, 'translateX(-99999px)');
testNode.innerHTML = originalHTML;
go.node.appendChild(testNode);
if (testNode.innerHTML != originalHTML) {
detected = true;
}
u.removeElement(testNode);
return detected;
},
setDBReady: function(db) {
/**:GateOne.Terminal.dbReady(db)
Sets ``GateOne.Terminal.dbReady = true`` so that we know when the 'terminal' database is available & ready (indexedDB databases are async).
*/
go.Terminal.dbReady = true;
},
createPrefsPanel: function() {
/**:GateOne.Terminal.createPrefsPanel()
Creates the terminal preferences and adds them to the global preferences panel.
*/
var contentContainer = u.createElement('div'),
prefsPanelStyleRow1 = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelStyleRow1b = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelStyleRow2 = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelStyleRow3 = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelStyleRow4 = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelStyleRow5 = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelStyleRow6 = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelRow1 = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelRow2 = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelRow4 = u.createElement('div', {'class':'✈paneltablerow'}),
prefsPanelRow5 = u.createElement('div', {'class':'✈paneltablerow'}),
tableDiv = u.createElement('div', {'id': 'prefs_tablediv1', 'class':'✈paneltable', 'style': {'display': 'table', 'padding': '0.5em'}}),
tableDiv2 = u.createElement('div', {'id': 'prefs_tablediv2', 'class':'✈paneltable', 'style': {'display': 'table', 'padding': '0.5em'}}),
prefsPanelFontLabel = u.createElement('span', {'id': 'prefs_font_label', 'class':'✈paneltablelabel'}),
prefsPanelFont = u.createElement('select', {'id': 'prefs_font', 'name':'prefs_font', 'style': {'display': 'table-cell', 'float': 'right'}}),
prefsPanelFontSizeLabel = u.createElement('span', {'id': 'prefs_font_size_label', 'class':'✈paneltablelabel'}),
prefsPanelFontSize = u.createElement('input', {'id': 'prefs_font_size', 'name':'prefs_font_size', 'size': 5, 'style': {'display': 'table-cell', 'text-align': 'right', 'float': 'right'}}),
prefsPanelColorsLabel = u.createElement('span', {'id': 'prefs_colors_label', 'class':'✈paneltablelabel'}),
prefsPanelColors = u.createElement('select', {'id': 'prefs_colors', 'name':'prefs_colors', 'style': {'display': 'table-cell', 'float': 'right'}}),
prefsPanelDisableHighlightLabel = u.createElement('span', {'id': 'prefs_disablehighlight_label', 'class':'✈paneltablelabel'}),
prefsPanelDisableHighlight = u.createElement('input', {'id': 'prefs_disablehighlight', 'name': prefix+'prefs_disablehighlight', 'value': 'disablehighlight', 'type': 'checkbox', 'style': {'display': 'table-cell', 'text-align': 'right', 'float': 'right'}}),
prefsPanelDisableAudibleBellLabel = u.createElement('span', {'id': 'prefs_disableaudiblebell_label', 'class':'✈paneltablelabel'}),
prefsPanelDisableAudibleBell = u.createElement('input', {'id': 'prefs_disableaudiblebell', 'name': prefix+'prefs_disableaudiblebell', 'value': 'disableaudiblebell', 'type': 'checkbox', 'style': {'display': 'table-cell', 'text-align': 'right', 'float': 'right'}}),
prefsPanelBellLabel = u.createElement('span', {'id': 'prefs_bell_label', 'class':'✈paneltablelabel'}),
prefsPanelBell = u.createElement('button', {'id': 'prefs_bell', 'value': 'bell', 'class': '✈button ✈black', 'style': {'display': 'table-cell', 'float': 'right'}}),
prefsPanelScrollbackLabel = u.createElement('span', {'id': 'prefs_scrollback_label', 'class':'✈paneltablelabel'}),
prefsPanelScrollback = u.createElement('input', {'id': 'prefs_scrollback', 'name': prefix+'prefs_scrollback', 'size': 5, 'style': {'display': 'table-cell', 'text-align': 'right', 'float': 'right'}}),
prefsPanelRowsLabel = u.createElement('span', {'id': 'prefs_rows_label', 'class':'✈paneltablelabel'}),
prefsPanelRows = u.createElement('input', {'id': 'prefs_rows', 'name': prefix+'prefs_rows', 'size': 5, 'style': {'display': 'table-cell', 'text-align': 'right', 'float': 'right'}}),
prefsPanelColsLabel = u.createElement('span', {'id': 'prefs_cols_label', 'class':'✈paneltablelabel'}),
prefsPanelCols = u.createElement('input', {'id': 'prefs_cols', 'name': prefix+'prefs_cols', 'size': 5, 'style': {'display': 'table-cell', 'text-align': 'right', 'float': 'right'}}),
colorsList = [],
savePrefsCallback = function() {
// Called when the user clicks the "Save" button in the preferences panel; grabs all the terminal-specific values and saves deals with them appropriately
var colors = u.getNode('#'+prefix+'prefs_colors').value,
loadFont, prevValue, terms,
font = u.getNode('#'+prefix+'prefs_font').value,
fontSize = u.getNode('#'+prefix+'prefs_font_size').value,
scrollbackValue = u.getNode('#'+prefix+'prefs_scrollback').value,
rowsValue = u.getNode('#'+prefix+'prefs_rows').value,
colsValue = u.getNode('#'+prefix+'prefs_cols').value,
disableHighlight = u.getNode('#'+prefix+'prefs_disablehighlight').checked,
disableAudibleBell = u.getNode('#'+prefix+'prefs_disableaudiblebell').checked;
// Grab the form values and set them in prefs
if (font != go.prefs.terminalFont) {
go.prefs.terminalFont = font;
loadFont = true;
}
if (fontSize != go.prefs.terminalFontSize) {
go.prefs.terminalFontSize = fontSize;
loadFont = true;
}
if (loadFont) {
go.Terminal.loadFont(font, fontSize); // Load the font right now
}
if (colors != go.prefs.colors) {
go.Terminal.loadTextColors(colors); // Load the colors right now
go.prefs.colors = colors;
}
if (scrollbackValue) {
prevValue = go.prefs.scrollback;
go.prefs.scrollback = parseInt(scrollbackValue);
if (prevValue == 0 && prevValue != go.prefs.scrollback) {
// Re-enable the scrollback buffer, fix the colAdjust parameter, and turn overflow-y back on in all terminals
terms = u.toArray(u.getNodes('.✈terminal'));
go.Terminal.colAdjust = 4;
terms.forEach(function(termObj) {
var term = termObj.id.split('term')[1],
termPre = GateOne.Terminal.terminals[term].node;
termPre.style['overflow-y'] = 'auto';
});
}
}
if (rowsValue) {
go.prefs.rows = parseInt(rowsValue);
} else {
go.prefs.rows = null;
}
if (colsValue) {
go.prefs.columns = parseInt(colsValue);
} else {
go.prefs.columns = null;
}
if (disableHighlight) {
go.prefs.highlightSelection = false;
go.Terminal.unHighlight(); // In case there's something currently highlighted
} else {
go.prefs.highlightSelection = true;
}
if (disableAudibleBell) {
go.prefs.audibleBell = false;
} else {
go.prefs.audibleBell = true;
}
};
prefsPanelBell.onclick = function(e) {
e.preventDefault(); // Just in case
go.Terminal.uploadBellDialog();
}
prefsPanelFontLabel.innerHTML = "<b>"+gettext("Font:")+"</b> ";
prefsPanelFontSizeLabel.innerHTML = "<b>"+gettext("Font Size:")+"</b> ";
prefsPanelColorsLabel.innerHTML = "<b>"+gettext("Color Scheme:")+"</b> ";
prefsPanelDisableHighlightLabel.innerHTML = "<b>"+gettext("Disable Selected Text Highlighting:")+"</b> ";
prefsPanelDisableAudibleBellLabel.innerHTML = "<b>"+gettext("Disable Bell Sound:")+"</b> ";
prefsPanelBell.innerHTML = gettext("Configure");
prefsPanelBellLabel.innerHTML = "<b>"+gettext("Bell Sound:")+"</b> ";
prefsPanelStyleRow1.appendChild(prefsPanelFontLabel);
prefsPanelStyleRow1.appendChild(prefsPanelFont);
prefsPanelStyleRow1b.appendChild(prefsPanelFontSizeLabel);
prefsPanelStyleRow1b.appendChild(prefsPanelFontSize);
prefsPanelStyleRow2.appendChild(prefsPanelColorsLabel);
prefsPanelStyleRow2.appendChild(prefsPanelColors);
prefsPanelStyleRow4.appendChild(prefsPanelDisableHighlightLabel);
prefsPanelStyleRow4.appendChild(prefsPanelDisableHighlight);
prefsPanelStyleRow5.appendChild(prefsPanelDisableAudibleBellLabel);
prefsPanelStyleRow5.appendChild(prefsPanelDisableAudibleBell);
prefsPanelStyleRow6.appendChild(prefsPanelBellLabel);
prefsPanelStyleRow6.appendChild(prefsPanelBell);
tableDiv.appendChild(prefsPanelStyleRow1);
tableDiv.appendChild(prefsPanelStyleRow1b);
tableDiv.appendChild(prefsPanelStyleRow2);
tableDiv.appendChild(prefsPanelStyleRow4);
tableDiv.appendChild(prefsPanelStyleRow5);
tableDiv.appendChild(prefsPanelStyleRow6);
prefsPanelScrollbackLabel.innerHTML = "<b>"+gettext("Scrollback Buffer Lines:")+"</b> ";
prefsPanelScrollback.value = go.prefs.scrollback;
prefsPanelRowsLabel.innerHTML = "<b>"+gettext("Terminal Rows:")+"</b> ";
prefsPanelRows.value = go.prefs.rows || "";
prefsPanelColsLabel.innerHTML = "<b>"+gettext("Terminal Columns:")+"</b> ";
prefsPanelCols.value = go.prefs.columns || "";
prefsPanelRow1.appendChild(prefsPanelScrollbackLabel);
prefsPanelRow1.appendChild(prefsPanelScrollback);
prefsPanelRow4.appendChild(prefsPanelRowsLabel);
prefsPanelRow4.appendChild(prefsPanelRows);
prefsPanelRow5.appendChild(prefsPanelColsLabel);
prefsPanelRow5.appendChild(prefsPanelCols);
tableDiv2.appendChild(prefsPanelRow1);
tableDiv2.appendChild(prefsPanelRow2);
tableDiv2.appendChild(prefsPanelRow4);
tableDiv2.appendChild(prefsPanelRow5);
contentContainer.appendChild(tableDiv);
contentContainer.appendChild(tableDiv2);
go.User.preference(gettext("Terminal"), contentContainer, savePrefsCallback);
},
enumerateCommandsAction: function(messageObj) {
/**:GateOne.Terminal.enumerateCommandsAction(messageObj)
Attached to the 'terminal:commands_list' WebSocket action; stores *messageObj['commands']* in `GateOne.Terminal.commandsList`.
*/
var commandsList = messageObj.commands;
// Save the fonts list so other things (plugins, embedded situations, etc) can reference it without having to examine the select tag
go.Terminal.commandsList = commandsList;
},
enumerateFontsAction: function(messageObj) {
/**:GateOne.Terminal.enumerateFontsAction(messageObj)
Attached to the 'terminal:fonts_list' WebSocket action; updates the preferences panel with the list of fonts stored on the server and stores the list in `GateOne.Terminal.fontsList`.
*/
var fontsList = messageObj.fonts,
prefsFontSelect = u.getNode('#'+prefix+'prefs_font'),
prefsFontSize = u.getNode('#'+prefix+'prefs_font_size'),
i, count = 1; // Start at 1 since we always add monospace
// Save the fonts list so other things (plugins, embedded situations, etc) can reference it without having to examine the select tag
go.Terminal.fontsList = fontsList;
prefsFontSelect.options.length = 0;
prefsFontSelect.add(new Option(gettext("monospace (let browser decide)"), "monospace"), null);
for (i in fontsList) {
prefsFontSelect.add(new Option(fontsList[i], fontsList[i]), null);
if (go.prefs.terminalFont == fontsList[i]) {
prefsFontSelect.selectedIndex = count;
}
count += 1;
}
// Also apply the user's chosen font size to the input element
prefsFontSize.value = go.prefs.terminalFontSize;
},
enumerateColorsAction: function(messageObj) {
/**:GateOne.Terminal.enumerateColorsAction(messageObj)
Attached to the 'terminal:colors_list' WebSocket action; updates the preferences panel with the list of text color schemes stored on the server.
*/
var colorsList = messageObj.colors,
prefsColorsSelect = u.getNode('#'+prefix+'prefs_colors'),
i, count = 0;
// Save the colors list so other things (plugins, embedded situations, etc) can reference it without having to examine the select tag
go.Terminal.colorsList = colorsList;
prefsColorsSelect.options.length = 0;
for (i in colorsList) {
prefsColorsSelect.add(new Option(colorsList[i], colorsList[i]), null);
if (go.prefs.colors == colorsList[i]) {
prefsColorsSelect.selectedIndex = count;
}
count += 1;
}
},
onResizeEvent: function(e) {
/**:GateOne.Terminal.onResizeEvent()
Attached to the `go:update_dimensions` event; calls :js:meth:`GateOne.Terminal.sendDimensions` for all terminals to ensure the new dimensions get applied.
*/
logDebug('GateOne.Terminal.onResizeEvent()');
var termNum, parentHeight, termPre, shareID;
for (termNum in go.Terminal.terminals) {
// Only want terminals which are integers; not the 'count()' function
if (termNum % 1 === 0) {
termPre = go.Terminal.terminals[termNum].node;
for (shareID in go.Terminal.sharedTerminals) {
// Check if this terminal belongs to someone else so we can skip telling the server to resize it (only the owner can resize a terminal)
if (termNum == go.Terminal.sharedTerminals[shareID].term) {
if (go.Terminal.sharedTerminals[shareID].owner != go.User.username) {
return; // We're not the owner so nothing to do
}
}
}
if (u.isVisible(termPre)) { // Only if terminal is visible
go.Terminal.sendDimensions(termNum);
if (go.prefs.scrollback != 0) {
parentHeight = termPre.parentNode.clientHeight;
if (parentHeight) {
termPre.style.height = parentHeight + 'px';
}
}
// Adjust the view so the scrollback buffer stays hidden unless the user scrolls
u.scrollToBottom(termPre);
// Make sure the terminal is in alignment
E.once("terminal:term_updated", function() {
go.Terminal.alignTerminal(termNum);
});
}
}
}
},
reconnectEvent: function() {
/**:GateOne.Terminal.reconnectEvent()
Attached to the `go:connnection_established` event; closes all open terminals so that :js:meth:`GateOne.Terminal.reattachTerminalsAction` can do its thing.
*/
logDebug('reconnectEvent()');
for (var term in go.Terminal.terminals) {
// Only want terminals which are integers; not the 'count()' function
if (term % 1 === 0) {
// The "true, '', false" below tells closeTerminal() to leave the localStorage alone, don't display a close message, and don't tell the server to kill it.
go.Terminal.closeTerminal(term, true, "", false);
}
}
},
connectionError: function() {
/**:GateOne.Terminal.connectionError()
This function gets attached to the "go:connection_error" event; closes all open terminals.
*/
// var terms = u.toArray(u.getNodes('.✈terminal'));
// terms.forEach(function(termObj) {
// // Passing 'true' here to keep the stuff in localStorage for this term.
// go.Terminal.closeTerminal(termObj.id.split('term')[1], true);
// });
},
getOpenTerminals: function() {
/**:GateOne.Terminal.getOpenTerminals()
Requests a list of open terminals on the server via the 'terminal:get_terminals' WebSocket action. The server will respond with a 'terminal:terminals' WebSocket action message which calls :js:meth:`GateOne.Terminal.reattachTerminalsAction`.
*/
logDebug('getOpenTerminals()');
go.ws.send(JSON.stringify({'terminal:get_terminals': null}));
},
sendString: function(chars, /*opt*/term) {
/**:GateOne.Terminal.sendString(chars[, term])
Like sendChars() but for programmatic use. *chars* will be sent to *term* on the server.
If *term* is not given the currently-selected terminal will be used.
*/
logDebug('sendString(): ' + chars);
var term = term || localStorage[go.prefs.prefix+'selectedTerminal'],
message = {'chars': chars, 'term': term};
go.ws.send(JSON.stringify({'terminal:write_chars': message}));
},
killTerminal: function(term) {
/**:GateOne.Terminal.killTerminal(term)
Tells the server got close the given *term* and kill the underlying process.
*/
go.ws.send(JSON.stringify({'terminal:kill_terminal': term}));
},
refresh: function(term) {
/**:GateOne.Terminal.refresh(term)
Tells the Gate One server to send a screen refresh (using the diff method).
.. note:: This function is only here for debugging purposes. Under normal circumstances difference-based screen refreshes are initiated at the server.
*/
go.ws.send(JSON.stringify({'terminal:refresh': term}));
},
fullRefresh: function(term) {
/**:GateOne.Terminal.fullRefresh(term)
Tells the Gate One server to send a full screen refresh to the client for the given *term*.
*/
go.ws.send(JSON.stringify({'terminal:full_refresh': term}));
},
loadFont: function(font, /*opt*/size) {
/**:GateOne.Terminal.loadFont(font[, size])
Tells the server to perform a sync of the given *font* with the client. If *font* is not given, will load the font set in :js:attr:`GateOne.prefs.font`.
Optionally, a *size* may be chosen. It must be a valid CSS 'font-size' value such as '0.9em', '90%', '12pt', etc.
*/
logDebug('loadFont(' + font + ", " + size + ")");
font = font || go.prefs.terminalFont;
var settings = {'font_family': font};
if (size) {settings['font_size'] = size}
go.ws.send(JSON.stringify({'terminal:get_font': settings}));
},
loadTextColors: function(colors) {
/**:GateOne.Terminal.loadTextColors(colors)
Tells the server to perform a sync of the given *colors* (terminal text colors) with the client. If *colors* is not given, will load the colors set in :js:attr:`GateOne.prefs.colors`.
*/
logDebug('loadTextColors(' + colors + ")");
colors = colors || go.prefs.colors;
go.ws.send(JSON.stringify({'terminal:get_colors': {'colors': colors}}));
},
displayTermInfo: function(term) {
/**:GateOne.Terminal.displayTermInfo(term)
Displays the given term's information as a psuedo tooltip that eventually fades away.
*/
var termObj = u.getNode('#'+prefix+'term' + term);
if (!termObj) {
return;
}
var displayText = termObj.id.split('term')[1] + ": " + go.Terminal.terminals[term].title,
termInfoDiv = u.createElement('div', {'id': 'terminfo', 'class': '✈terminfo'}),
marginFix = Math.round(go.Terminal.terminals[term].title.length/2),
infoContainer = u.createElement('div', {'id': 'infocontainer', 'class': '✈term_infocontainer ✈halfsectrans'});
termInfoDiv.innerHTML = displayText;
if (u.getNode('#'+prefix+'infocontainer')) { u.removeElement('#'+prefix+'infocontainer'); }
infoContainer.appendChild(termInfoDiv);
infoContainer.addEventListener('mousemove', function(e) {
clearTimeout(v.infoTimer);
u.removeElement(infoContainer);
go.Terminal.Input.capture();
}, false);
go.node.appendChild(infoContainer);
if (v.infoTimer) {
clearTimeout(v.infoTimer);
v.infoTimer = null;
}
v.infoTimer = setTimeout(function() {
if (!go.prefs.disableTransitions) {
v.applyStyle(infoContainer, {'opacity': 0});
}
setTimeout(function() {
u.removeElement(infoContainer);
}, 1000);
}, 1000);
},
sendDimensions: function(/*opt*/term, /*opt*/ctrl_l) {
/**:GateOne.Terminal.sendDimensions([term[, ctrl_l]])
Detects and sends the given term's dimensions (rows/columns) to the server.
If no *term* is given it will send the dimensions of the currently-selected terminal to the server which will be applied to all terminals.
*/
logDebug('sendDimensions(' + term + ', ' + ctrl_l + ')');
if (go.prefs.broadcastTerminal) {
return; // Clients of broadcast terminals don't get to resize them
}
// Explanation of below: If the difference between the calculated value and the floor() of that value is greater than 0.8
// it means that the 'fit' of the total rows--if we round() them--will be awfully tight. Too tight, in fact. I know this
// because even though the math adds up the browsers pull crap like, "the child <pre> offsetHeight is greater than it's
// parent's clientHeight" which is supposed to be impossible. So I've defined the 'fit' to be 'too tight' if the there's
// > 20% of a character (height-wise) of "wiggle room" between what is *supposed* to fit in the element and what the
// browser tells us will fit (it lies--the top gets cut off!).
var termObj, prevRows, prevCols, noTerm, termNode, termNum, where, rowAdjust, colAdjust, emDimensions, dimensions, rowsValue, colsValue, prefs,
getAndSend = function(term) {
var termObj = go.Terminal.terminals[term],
prevRows = termObj.prevRows,
prevCols = termObj.prevCols,
where = termObj.where,
termNode = termObj.terminal,
rowAdjust = go.prefs.rowAdjust + go.Terminal.rowAdjust,
colAdjust = go.prefs.colAdjust + go.Terminal.colAdjust,
emDimensions = u.getEmDimensions(termNode, where),
dimensions = u.getRowsAndColumns(termNode, where),
rowsValue = (dimensions.rows - rowAdjust),
colsValue = Math.ceil(dimensions.columns - colAdjust),
prefs = {
'term': term,
// rows are set below...
'columns': colsValue,
'em_dimensions': emDimensions
};
if (termObj.noAdjust) {
rowsValue = dimensions.rows; // Don't bother with the usual rowAdjust for popup terminals and similar
}
if ((rowsValue - Math.floor(rowsValue)) > 0.8) {
prefs.rows = Math.ceil(rowsValue);
} else {
prefs.rows = Math.floor(rowsValue);
}
if (!emDimensions.h || !emDimensions.w) {
return; // Nothing to do
}
if (!prefs.rows || !prefs.columns) {
return; // Something went wrong
}
if (prefs.rows < 2 || prefs.columns < 2) {
return; // Something went wrong; ignore
}
if (prevRows == prefs.rows && prevCols == prefs.columns) {
return; // Nothing to do
}
// Apply user-defined rows and columns (if set)
if (go.prefs.columns) { prefs.columns = go.prefs.columns };
if (go.prefs.rows) { prefs.rows = go.prefs.rows };
// Save the rows/columns for comparison next time
termObj.prevCols = prefs.columns;
termObj.prevRows = prefs.rows;
go.ws.send(JSON.stringify({'terminal:resize': prefs}));
E.trigger("terminal:send_dimensions", term);
// Execute any sendDimensionsCallbacks
if (GateOne.Net.sendDimensionsCallbacks.length) {
go.Logging.deprecated("sendDimensionsCallbacks", gettext("Use ")+"GateOne.Events.on('terminal:send_dimensions', func) "+gettext("instead."));
for (var i=0; i<GateOne.Net.sendDimensionsCallbacks.length; i++) {
GateOne.Net.sendDimensionsCallbacks[i](term);
}
}
};
if (typeof(ctrl_l) == 'undefined') {
ctrl_l = true;
}
if (!term) {
for (termNum in go.Terminal.terminals) {
// Only want terminals which are integers; not the 'count()' function
if (termNum % 1 === 0) {
getAndSend(termNum);
}
};
} else {
getAndSend(term);
}
},
setTitle: function(term, text) {
/**:GateOne.Terminal.setTitle(term, text)
Sets the visible title of *term* to *text* appropriately based on whether or not this is a popup terminal or just a regular one.
.. note:: This function does *not* set the 'title' or 'X11Title' attributes of the `GateOne.Terminal.terminals[term]` object. That is handled by :js:meth:`GateOne.Terminal.setTitleAction`.
*/
logDebug("GateOne.Terminal.setTitle(" + term + ", " + text + ")");
var where;
if (!go.Terminal.terminals[term]) {
return; // Nothing to do
}
where = go.Terminal.terminals[term].where;
if (where && where.classList.contains('✈termdialog')) {
// This is a popup terminal; set the title of the dialog
u.toArray(u.getNodes('.✈popupterm')).forEach(function(dialog) {