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Add menu option "Disable Alt Key"

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This makes the application usable for Mac OS clients using international
keyboards.

This patch was modified to fit in our fork by @KLuka.
This commit is contained in:
Ezra Buehler 2013-12-18 12:10:42 +01:00 committed by KLuka
parent 4ced3d2738
commit 1dd42d66c2
1 changed files with 24 additions and 3 deletions
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27
shellinabox/vt100.jspp
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@ -285,6 +285,12 @@ VT100.prototype.getUserSettings = function() {
this.autoprint = true;
this.softKeyboard = false;
this.blinkingCursor = true;
this.disableAlt = false;
if (navigator.platform.indexOf("Mac") != -1) {
this.disableAlt = true;
}
if (this.visualBell) {
this.signature = Math.floor(16807*this.signature + 1) %
((1 << 31) - 1);
@ -309,13 +315,14 @@ VT100.prototype.getUserSettings = function() {
if (settings >= 0) {
settings = document.cookie.substr(settings + key.length).
replace(/([0-1]*).*/, "$1");
if (settings.length == 5 + (typeof userCSSList == 'undefined' ?
if (settings.length == 6 + (typeof userCSSList == 'undefined' ?
0 : userCSSList.length)) {
this.utfPreferred = settings.charAt(0) != '0';
this.visualBell = settings.charAt(1) != '0';
this.autoprint = settings.charAt(2) != '0';
this.softKeyboard = settings.charAt(3) != '0';
this.blinkingCursor = settings.charAt(4) != '0';
this.disableAlt = settings.charAt(5) != '0';
if (typeof userCSSList != 'undefined') {
for (var i = 0; i < userCSSList.length; ++i) {
userCSSList[i][2] = settings.charAt(i + 5) != '0';
@ -332,7 +339,8 @@ VT100.prototype.storeUserSettings = function() {
(this.visualBell ? '1' : '0') +
(this.autoprint ? '1' : '0') +
(this.softKeyboard ? '1' : '0') +
(this.blinkingCursor ? '1' : '0');
(this.blinkingCursor ? '1' : '0') +
(this.disableAlt ? '1' : '0');
if (typeof userCSSList != 'undefined') {
for (var i = 0; i < userCSSList.length; ++i) {
settings += userCSSList[i][2] ? '1' : '0';
@ -2367,6 +2375,10 @@ VT100.prototype.toggleSoftKeyboard = function() {
this.keyboardImage.style.visibility = this.softKeyboard ? 'visible' : '';
};
VT100.prototype.toggleDisableAlt = function() {
this.disableAlt = !this.disableAlt;
};
VT100.prototype.deselectKeys = function(elem) {
if (elem && elem.className == 'selected') {
elem.className = '';
@ -2468,6 +2480,9 @@ VT100.prototype.showContextMenu = function(x, y) {
'<li>' +
(this.softKeyboard ? '<img src="enabled.gif" />' : '') +
'Onscreen Keyboard</li>' +
'<li>' +
(this.disableAlt ? '<img src="enabled.gif" />' : '') +
'Disable Alt Key</li>' +
'<li id="endconfig">' +
(this.blinkingCursor ? '<img src="enabled.gif" />' : '') +
'Blinking Cursor</li>'+
@ -2500,6 +2515,7 @@ VT100.prototype.showContextMenu = function(x, y) {
var actions = [ this.copyLast, p, this.pasteBrowserFnc, this.reset,
this.toggleUTF, this.toggleBell,
this.toggleSoftKeyboard,
this.toggleDisableAlt,
this.toggleCursorBlinking ];
// Actions for user CSS styles (if any)
@ -2781,7 +2797,8 @@ VT100.prototype.handleKey = function(event) {
(event.altKey|event.metaKey ? 2 : 0) +
(event.ctrlKey ? 4 : 0)) +
part2;
} else if (ch.length == 1 && (event.altKey || event.metaKey)) {
} else if (ch.length == 1 && (event.altKey || event.metaKey)
&& !this.disableAlt) {
ch = '\u001B' + ch;
}
}
@ -2957,6 +2974,10 @@ VT100.prototype.keyDown = function(event) {
} catch (e) {
}
if (this.disableAlt && normalKey) {
return true;
}
// We normally prefer to look at keypress events, as they perform the
// translation from keyCode to charCode. This is important, as the
// translation is locale-dependent.