// -----------------------------------------------------------------------
// Kannada v0.0.1
// By Devadutta Ghat
//
//
// What does it do?
// Simple. Lets you type Indian language kannada in any textarea box on a webpage.
// You can toggle between English and Kannada keyboards using F12.
//
// What about tamil, telugu, marathi, bengali?
// Coming soon!!
//
// What license?
// All code not marked with the (c) Monusoft is released under GPL version 2 or higher.
//
// Does it work?
// Of course yes!
// Tested on blogger,orkut,gmail,livejournal,facebook and many such sites.
//
// Where can I find the keyboard layout?
// Here http://www.devadutta.net/images/KannadaMap.jpg
//
// Thanks to http://vishalon.net http://monusoft.com
// ------------------------------------------------------------------------
//
// ==UserScript==
// @name kannada
// @namespace http://devadutta.net
// @description Lets you type kannada in any textarea box!
// @version 0.0.1
// @include *
// @author devadutta.net
// ==/UserScript==
//=================== Copyright (c) Monusoft.com starts here ============
//============================= kannada.js ====================
/* Indian Language Type Pad - http://www.monusoft.com
Copyright (c) Monusoft
Permission is hereby granted to any person obtaining a copy of this software and associated
the rights to use, copy, modify, merge copies of the Software for personal non-commercial use only and
to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions
of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
var Vowel = new Array(123);
var VowelCombination = new Array(6);
var Consonant = new Array(123);
var ConsonantCombination = new Array(19);
var Symbol = new Array(60);
var VIRAM = 1;
var VRU = 2;
var RU = 3;
var language = "Kannada";
Symbol[32] = "\u0020"; // space
Symbol[58] = "\u0c83"; // visarg
Symbol[48] = "\u0ce6"; //0
Symbol[49] = "\u0ce7"; //1
Symbol[50] = "\u0ce8"; //2
Symbol[51] = "\u0ce9"; //3
Symbol[52] = "\u0cea"; //4
Symbol[53] = "\u0ceb"; //5
Symbol[54] = "\u0cec"; //6
Symbol[55] = "\u0ced"; //7
Symbol[56] = "\u0cee"; //8
Symbol[57] = "\u0cef"; //9
Vowel[97] = "\u0c85"; //a
Vowel[65] = "\u0c86"; //A
Vowel[105] = "\u0c87"; //i
Vowel[73] = "\u0c88"; //I
Vowel[117] = "\u0c89"; //u
Vowel[85] = "\u0c8a"; //U
Vowel[82] = "\u0c8b"; // R
Vowel[69] = "\u0c8e"; // E
Vowel[101] = "\u0c8f"; //e
Vowel[79] = "\u0c92"; //O
Vowel[111] = "\u0c93"; // o
VowelCombination[0] = new Array(3);
VowelCombination[0][0]= 97; //a
VowelCombination[0][1]= 97; //a
VowelCombination[0][2]= "\u0c86"; //aa
VowelCombination[1] = new Array(3);
VowelCombination[1][0]= 101; //e
VowelCombination[1][1]= 101; //e
VowelCombination[1][2]= "\u0c88"; //ee
VowelCombination[2] = new Array(3);
VowelCombination[2][0]= 111; //o
VowelCombination[2][1]= 111; //o
VowelCombination[2][2]= "\u0c8a"; //oo
VowelCombination[3] = new Array(3);
VowelCombination[3][0]= 82; //R
VowelCombination[3][1]= 85; //U
VowelCombination[3][2]= "\u0c8b";
VowelCombination[4] = new Array(3);
VowelCombination[4][0]= 97; //a
VowelCombination[4][1]= 105; //i
VowelCombination[4][2]= "\u0c90"; //ai
VowelCombination[5] = new Array(3);
VowelCombination[5][0]= 97; //a
VowelCombination[5][1]= 117; //u
VowelCombination[5][2]= "\u0c94"; //au
//Consonant[94] = "\u0c81"; // NO chandrabindu in kannada
Consonant[77] = "\u0c82"; // M
Consonant[107] = "\u0c95"; //k
Consonant[103] = "\u0c97"; //g
Consonant[106] = "\u0c9c"; //j
Consonant[122] = "\u0c9d"; //z
Consonant[84] = "\u0c9f"; //T
Consonant[68] = "\u0ca1"; //D
Consonant[78] = "\u0ca3"; //N
Consonant[116] = "\u0ca4"; //t
Consonant[100] = "\u0ca6"; //d
Consonant[110] = "\u0ca8"; //n
Consonant[112] = "\u0caa"; //p
Consonant[102] = "\u0cab"; //f
Consonant[98] = "\u0cac"; //b
Consonant[109] = "\u0cae"; //m
Consonant[121] = "\u0caf"; //y
Consonant[114] = "\u0cb0"; //r
Consonant[108] = "\u0cb2"; //l
Consonant[76] = "\u0cb3"; //L
Consonant[118] = "\u0cb5"; //v
Consonant[119] = "\u0cb5"; //w
Consonant[115] = "\u0cb8"; //s
Consonant[120] = "\u0c95\u0ccd\u0cb7"; //kSh
Consonant[104] = "\u0cb9"; //h
Consonant[97] = ""; // just empty string
Consonant[VIRAM] = "\u0ccd"; // half letter
Consonant[65] = "\u0cbe"; //A
Consonant[105] = "\u0cbf"; //i
Consonant[73] = "\u0cc0"; //I
Consonant[117] = "\u0cc1"; //u
Consonant[85] = "\u0cc2"; //U
Consonant[VRU] = "\u0cc3"; // VRU
Consonant[69] = "\u0cc6"; //E
Consonant[101] = "\u0cc7"; //e
Consonant[79] = "\u0cca"; //O
Consonant[111] = "\u0ccb"; //o
ConsonantCombination[0] = new Array(3);
ConsonantCombination[0][0]= 107; //k
ConsonantCombination[0][1]= 104; //h
ConsonantCombination[0][2]= "\u0c96"; // kh
ConsonantCombination[1] = new Array(3);
ConsonantCombination[1][0]= 103; //g
ConsonantCombination[1][1]= 104; //h
ConsonantCombination[1][2]= "\u0c98"; //gh
ConsonantCombination[2] = new Array(3);
ConsonantCombination[2][0]= 99; //c
ConsonantCombination[2][1]= 104; //h
ConsonantCombination[2][2]= "\u0c9a"; //ch
ConsonantCombination[3] = new Array(3);
ConsonantCombination[3][0]= 67; //C
ConsonantCombination[3][1]= 104; //h
ConsonantCombination[3][2]= "\u0c9b"; //Ch
ConsonantCombination[4] = new Array(3);
ConsonantCombination[4][0]= 84; //T
ConsonantCombination[4][1]= 104; //h
ConsonantCombination[4][2]= "\u0ca0"; //Th
ConsonantCombination[5] = new Array(3);
ConsonantCombination[5][0]= 68; //D
ConsonantCombination[5][1]= 104; //h
ConsonantCombination[5][2]= "\u0ca2"; //Dh
ConsonantCombination[6] = new Array(3);
ConsonantCombination[6][0]= 116; //t
ConsonantCombination[6][1]= 104; //h
ConsonantCombination[6][2]= "\u0ca5"; //th
ConsonantCombination[7] = new Array(3);
ConsonantCombination[7][0]= 100; //d
ConsonantCombination[7][1]= 104; //dh
ConsonantCombination[7][2]= "\u0ca7"; //dh
ConsonantCombination[8] = new Array(3);
ConsonantCombination[8][0]= 112; //p
ConsonantCombination[8][1]= 104; //ph
ConsonantCombination[8][2]= "\u0cab"; //ph
ConsonantCombination[9] = new Array(3);
ConsonantCombination[9][0]= 98; //b
ConsonantCombination[9][1]= 104; //h
ConsonantCombination[9][2]= "\u0cad"; //bh
ConsonantCombination[10] = new Array(3);
ConsonantCombination[10][0]= 115; //s
ConsonantCombination[10][1]= 104; //h
ConsonantCombination[10][2]= "\u0cb6"; //sh
ConsonantCombination[11] = new Array(3);
ConsonantCombination[11][0]= 83; //S
ConsonantCombination[11][1]= 104; //h
ConsonantCombination[11][2]= "\u0cb7"; //Sh
ConsonantCombination[12] = new Array(3);
ConsonantCombination[12][0]= 74; //J
ConsonantCombination[12][1]= 104; //h
ConsonantCombination[12][2]= "\u0c9c\u0ccd\u0c9e"; // Jh
ConsonantCombination[13] = new Array(3);
ConsonantCombination[13][0]= 97; //a
ConsonantCombination[13][1]= 97; //a
ConsonantCombination[13][2]= "\u0cbe"; //aa
ConsonantCombination[14] = new Array(3);
ConsonantCombination[14][0]= 101; //e
ConsonantCombination[14][1]= 101; //e
ConsonantCombination[14][2]= "\u0cc0"; //ee
ConsonantCombination[15] = new Array(3);
ConsonantCombination[15][0]= 111; //o
ConsonantCombination[15][1]= 111; //o
ConsonantCombination[15][2]= "\u0cc2"; //oo
ConsonantCombination[16] = new Array(3);
ConsonantCombination[16][0]= 97; //a
ConsonantCombination[16][1]= 105; //i
ConsonantCombination[16][2]= "\u0cc8"; //ai
ConsonantCombination[17] = new Array(3);
ConsonantCombination[17][0]= 97; //a
ConsonantCombination[17][1]= 117; //u
ConsonantCombination[17][2]= "\u0ccc"; //au
ConsonantCombination[18] = new Array(3);
ConsonantCombination[18][0] = 78; // N
ConsonantCombination[18][1] = 71; // G
ConsonantCombination[18][2] = "\u0c99"; //NG
ConsonantCombination[19] = new Array(3);
ConsonantCombination[19][0] = 78; // N
ConsonantCombination[19][1] = 89; // Y
ConsonantCombination[19][2] = "\u0c9e"; //NY
//============================= kannada.js ====================
//========================= parser.js ========================
var prevkey = 32;
var hidden=false;
var posChanged = true;
var isEng = true;
var previousConsonant = false;
var previouspreviousConsonant = false;
function changeCursor(txtarea) {
if (txtarea.createTextRange) {
txtarea.cursorPos = document.selection.createRange().duplicate();
}
}
function GetVowelCombination(key0, key1)
{
var i=0;
for(i=0;i<VowelCombination.length;i++)
{
if((VowelCombination[i][0] == key0) && (VowelCombination[i][1]==key1))
return VowelCombination[i][2];
}
}
function GetConsonantCombination(key0, key1)
{
var i=0;
for(i=0;i<ConsonantCombination.length;i++)
{
if((ConsonantCombination[i][0] == key0) && (ConsonantCombination[i][1]==key1))
return ConsonantCombination[i][2];
}
}
function positionChange(evt)
{
var keyCode =
document.layers ? evt.which :
document.all ? event.keyCode :
document.getElementById ? evt.keyCode : 0;
if (keyCode == 123)
{
isEng = !isEng;
// alert(isEng);
}
if (keyCode >= 37 && keyCode <=40)
{
posChanged = true;
}
}
function change(txtarea, evt)
{
var displace = 0;
var text='';
var previousValue = "";
//var e = evt; //(evt)? e: ((window.event)? event : null);
var e = window.event? event : evt;
if( e.altKey || e.ctrlKey)
{
return true;
}
var key=0;
var keychar='';
var shift=false;
var pos= 0; // doGetCaretPosition (txtarea);
var prevpos = 0;
if ( document.all )
{
key = e.keyCode;
}
else
{
key = e.which;
}
//alert(key);
if ((key <32) || (key >=33 && key <=47) ||(key>=59 && key <=64)||(key>=91 && key<=96 && !key==94)||(key>=123 && key<=127) )
return true;
keychar = String.fromCharCode(key);
if(posChanged)
{
prevkey = 32;
hidden=false;
prevpos = 0;
previousConsonant = false;
previouspreviousConsonant = false;
}
switch(keychar)
{
case "a":
case "e":
case "i":
case "o":
case "u":
case "A":
case "I":
case "U":
case "O":
case "E":
var cComb = GetConsonantCombination(prevkey,key);
var vComb = GetVowelCombination(prevkey,key);
if(previousConsonant)
{
displace --;
text=Consonant[key]; // nothing to append. just remove viram
}
else if (typeof(vComb) != 'undefined')
{
if(!previouspreviousConsonant)
{
displace --; // aa, ai, au.......
text = vComb;
}
else
{
displace = 0;
text = cComb;
}
}
else
{
displace = 0;
text = Vowel[key];
}
previouspreviousConsonant = previousConsonant;
previousConsonant = false;
hidden=false;
break;
case 'R':
if(previousConsonant)
{
displace--; // replace the viram
text = Consonant[VRU];
// here no need for another U in VRU. by detecting VR it is assumed the whole word
}
else
{
displace=0; // nothing to displace
text = Vowel[key];
}
previouspreviousConsonant = previousConsonant;
previousConsonant = false;
hidden = false;
prevkey = key;
break;
case '^':
case 'M':
displace = 0;
text = Consonant[key];
previouspreviousConsonant = previousConsonant;
previousConsonant = false;
hidden = false;
prevchar = keychar;
break;
case ' ':
if(previousConsonant)
{
displace --;
}
else
{
displace = 0;
}
text = Symbol[key];
previouspreviousConsonant = previousConsonant;
previousConsonant = false;
hidden = false;
prevkey = key;
break;
default:
var cComb = GetConsonantCombination(prevkey,key);
if (hidden)
{
if(typeof(cComb) !='undefined')
{
displace = 0; // because previous word was not shown in textarea.
text = cComb+ Consonant[VIRAM];
previouspreviousConsonant = previousConsonant;
previousConsonant = true;
}
else if (typeof(Consonant[key]) !='undefined')
{
displace = 0;
text = Consonant[key] + Consonant[VIRAM];
previouspreviousConsonant = previousConsonant;
previousConsonant = true;
hidden = false;
}
else
{
displace =0;
previouspreviousConsonant = previousConsonant;
previousConsonant = false;
}
}
else
{
if(typeof(cComb) !='undefined')
{
displace -=2; // for d, dh, D, Dh etc.
text = cComb+ Consonant[VIRAM];
previouspreviousConsonant = previousConsonant;
previousConsonant = true;
}
else if(typeof(Consonant[key])!='undefined')
{
displace = 0;
text = Consonant[key] + Consonant[VIRAM]; // letter + viram
previouspreviousConsonant = previousConsonant;
previousConsonant = true;
}
else if (typeof(Symbol[key]) != 'undefined')
{
displace =0;
text = Symbol[key];
previouspreviousConsonant = previousConsonant;
previousConsonant = false;
}
else
{
previouspreviousConsonant = previousConsonant;
previousConsonant = true;
hidden = true;
}
}
}
prevkey = key;
if(txtarea.setSelectionRange)
{
// Mozilla specific
pos = txtarea.selectionStart;
var s1 = txtarea.value.substring(0,pos + displace);
var s2 = txtarea.value.substring(pos, txtarea.value.length);
var scrollPos = txtarea.scrollTop;
if(typeof(text) != 'undefined')
prevpos = pos + displace + text.length;
else
prevpos = pos + displace;
txtarea.value = s1 + text + s2;
txtarea.scrollTop = scrollPos;
txtarea.focus();
txtarea.setSelectionRange(prevpos,prevpos);
}
else if (txtarea.createTextRange && txtarea.cursorPos)
{
// IE specific
var range = txtarea.cursorPos;
range.moveStart('character', displace);
range.text = (range.text.charAt(range.text.length - 1) == ' ' ? text + ' ' : text);
range.collapse(false);
range.scrollIntoView(true);
}
else
{
// Other browser
if (displace==0)
{
txtarea.value += text;
}
else
{
txtarea.value = txtarea.value.substring(0, txtarea.value.length-1) + text;
}
}
txtarea.focus();
posChanged=false;
return false;
}
//============================= parser.js =======================
//=================== Copyright (c) Monusoft.com ends here====================
var allTextareas, thisTextarea;
allTextareas = document.getElementsByTagName('textarea');
for (var i = 0; i < allTextareas.length; i++) {
thisTextarea = allTextareas[i];
thisTextarea.addEventListener('keypress', function(event) {
if(!isEng) {
var key=event.charCode;
if ((key <32) || (key >=33 && key <=47) ||(key>=59 && key <=64)||(key>=91 && key<=96 && !key==94)||(key>=123 && key<=127) )
//do nothing
;
else
event.preventDefault();
change(this,event);
}
else
{return true;}
//
return;
},
true
);
thisTextarea.addEventListener('keydown', function(event) {
positionChange(event);
return;
},
true
);
thisTextarea.addEventListener('keyup', function(event) {
changeCursor(event);
return;
},
true
);
}
