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banglakb.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
"বাংলা" কী-বোর্ড <br>
<script type="text/javascript" language="javascript">
english = false;
// This function returns the previous character in the myField starting at myOffset.
// For example, specify myOffset = 0 to get the last character from myField,
// For example, specify myOffset = 1 to get the 2nd last character from myField.
// When myField is empty (meaning ''), return empty (i.e. '') as the function value.
// When myField is a white character, return empty (i.e. '') as the function value.
function myPrevious(myField, myOffset)
{
var previous;
if (document.selection) // Normally for Internet Explorer
{
myField.focus();
mySelection = document.selection.createRange();
mySelection.moveStart('character', -1 *(1 + myOffset));
previous = mySelection.text;
mySelection.moveStart('character', 1 + myOffset);
}
else if (myField.selectionStart || myField.selectionStart == '0') // Normally for Mozilla / Fire Fox
{
previous = myField.value.substring(myField.selectionStart - 1 - myOffset, myField.selectionStart - myOffset);
}
else
{
previous = myField.value.substring(myField.value.length- 1 - myOffset, myField.value.length - myOffset);
}
switch(previous)
{
case ' ' :
case '\r':
case '\t':
case '\n': previous = '';
}
return previous;
}
// This function manipulates at myOffset of myField to get the desired codes.
// Manipulations are required to deal situations such as conjunct characters.
// MyErase is the number of characters to be erased at myOffset of myField.
// MyInsert is the character string to be inserted at myOffset of myField.
// For example, specify myOffset = 0 to mean after the last character of myField,
// For example, specify myOffset = 1 to mean just before the last character.
function myManipulate(myField, myInsert, myErase, myOffset)
{
if (document.selection) // Normally for Internet Explorer
{
// myField.focus();
mySelection = document.selection.createRange();
mySelection.moveStart('character', -1 * (myErase + myOffset));
mySelection.moveEnd('character', -1 * myOffset);
mySelection.text = myInsert;
mySelection.moveStart('character', (myInsert.length + myOffset));
mySelection.moveEnd('character', myOffset);
// something needs to be done to handle scrolling.
}
else if (myField.selectionStart || myField.selectionStart == '0') // Normally for Mozilla / Fire Fox
{
var scrollTop = myField.scrollTop;
startPos = myField.selectionStart - myErase - myOffset;
endPos = myField.selectionEnd - myOffset;
myField.value = myField.value.substring(0, startPos) + myInsert + myField.value.substring(endPos, myField.value.length);
startPos = startPos + myInsert.length + myOffset;
endPos = startPos;
myField.setSelectionRange(startPos, endPos);
myField.scrollTop = scrollTop;
}
else
{
// myField.focus();
var scrollTop = myField.scrollTop;
myField.value = myField.value + myInsert;
myField.scrollTop = scrollTop;
}
}
// This function returns the key just pressed.
function myCurrent(myEvent)
{
return myEvent.which ? myEvent.which : (myEvent.keyCode ? myEvent.keyCode : (myEvent.charCode ? myEvent.charCode : 0));
}
// Handle keypress events and modify key codes.
function mykeypress(myEvent, myId)
{
// function and others keys are to be handled perhaps in keyup or keydown event
if (myEvent.altKey || myEvent.ctrlKey)
return true;
var field = document.getElementById(myId);
var current = myCurrent(myEvent);
// Get the 1st and 2nd previous characters.
var previous = myPrevious(field, 0);
var prevprev = myPrevious(field, 1);
var insert = ''; // default is insert nothing
var erase = 0; // default is erase no characters.
var offset = 0; // default is manipulate at the end.
// From now on, only the required variables of the above three
// are set, the other variables remain with the default values.
if (english == true)
{
// Change keyboard layout to Bangla when "Xx" pressed.
if (current == 120 && previous == 'X') //'x'
{
erase = 1; // erase X.
myManipulate(field, insert, erase, offset);
english = false; // turn english off
return false;
}
return true; // need to ensure that letters are english here.
}
switch(current)
{
case 7: return true; // tab
case 8: return true; // backspace
case 10: return true; // linefeed
case 13: return true; // return
case 27: return true; // escape
case 32: return true; // space
case 48: insert = '০'; break; //'0'
case 49: insert = '১'; break; //'1'
case 50: insert = '২'; break; //'2'
case 51: insert = '৩'; break; //'3'
case 52: insert = '৪'; break; //'4'
case 53: insert = '৫'; break; //'5'
case 54: insert = '৬'; break; //'6'
case 55: insert = '৭'; break; //'7'
case 56: insert = '৮'; break; //'8'
case 57: insert = '৯'; break; //'9'
case 65: insert = 'অ'; break; //'A'
case 66: insert = 'ভ'; break; //'B'
case 67: insert = 'চ'; break; //'C'
case 68: insert = 'ড'; break; //'D'
case 69: insert = 'এ'; break; //'E'
case 70: insert = 'ফ'; break; //'F'
case 71: switch(previous)
{
case 'ণ': insert = 'ঙ'; erase = 1; break;
default : insert = 'ঘ'; break;
}
break; //'G'
case 72: insert = 'হ'; break; //'H'
case 73: insert = 'ই'; break; //'I'
case 74: insert = 'জ'; break; //'J'
case 75: insert = 'খ'; break; //'K'
case 76: insert = '।'; break; //'L'
case 77: switch(previous)
{
case '': insert = 'ম'; break;
case 'ং': insert = 'ম'; break;
case 'ঃ': insert = 'ম'; break;
case 'ঁ': insert = 'ম'; break;
case 'া': insert = 'ম'; break;
case 'ি': insert = 'ম'; break;
case 'ী': insert = 'ম'; break;
case 'ু': insert = 'ম'; break;
case 'ূ': insert = 'ম'; break;
case 'ৃ': insert = 'ম'; break;
case 'ে': insert = 'ম'; break;
case 'ৈ': insert = 'ম'; break;
case 'ো': insert = 'ম'; break;
case 'ৌ': insert = 'ম'; break;
default: insert = 'ং'; break; //'M'
}
break;
case 78: insert = 'ণ'; break; //'N'
case 79: insert = 'ও'; break; //'O'
case 80: insert = 'ফ'; break; //'P'
case 81: insert = ''; break; //'Q' nukta to write e.g. rab
case 82: insert = 'ড়'; break; //'R'
case 83: insert = 'ষ'; break; //'S'
case 84: insert = 'ট'; break; //'T'
case 85: insert = 'উ'; break; //'U'
case 86: switch(previous)
{
case '': insert = 'ভ'; break;
case 'ঃ': insert = 'ভ'; break;
default: insert = 'ঃ'; break;
}
break; //'V'
case 87: insert = 'ঋ'; break; //'W'
case 88: english = true; return false; //'X'
case 89: insert = 'ঞ'; break; //'Y'
case 90: insert = 'জ'; break; //'Z'
case 97: switch(previous)
{
case '': insert = 'আ'; break;
case 'ঃ': insert = 'অ'; break;
case 'ং': insert = 'অ'; break;
case 'ঁ': insert = 'অ'; break;
case 'অ': insert = 'আ'; erase = 1; break;
case 'আ': insert = 'আ'; break;
case 'ই': insert = 'অ'; break;
case 'ঈ': insert = 'অ'; break;
case 'উ': insert = 'অ'; break;
case 'ঊ': insert = 'অ'; break;
case 'ঋ': insert = 'অ'; break;
case 'এ': insert = 'অ'; break;
case 'ঐ': insert = 'অ'; break;
case 'ও': insert = 'অ'; break;
case 'ঔ': insert = 'অ'; break;
case 'া': insert = 'অ'; break;
case 'ি': insert = 'অ'; break;
case 'ী': insert = 'অ'; break;
case 'ু': insert = 'অ'; break;
case 'ূ': insert = 'অ'; break;
case 'ৃ': insert = 'অ'; break;
case 'ে': insert = 'অ'; break;
case 'ৈ': insert = 'অ'; break;
case 'ো': insert = 'অ'; break;
case 'ৌ': insert = 'অ'; break;
default : insert = 'া'; break;
}
break; //'a'
case 98: insert = 'ব'; break; //'b'
case 99: insert = 'ছ'; break; //'c'
case 100: insert = 'দ'; break; //'d'
case 101: switch(previous)
{
case '': insert = 'এ'; break;
case 'ঃ': insert = 'এ'; break;
case 'ং': insert = 'এ'; break;
case 'ঁ': insert = 'এ'; break;
case 'অ' : insert = 'এ'; break;
case 'আ': insert = 'এ'; break;
case 'উ': insert = 'এ'; break;
case 'ঊ': insert = 'এ'; break;
case 'ঋ': insert = 'এ'; break;
case 'ঔ': insert = 'এ'; break;
case 'া' : insert = 'এ'; break;
case 'ু': insert = 'এ'; break;
case 'ূ': insert = 'এ'; break;
case 'ৃ': insert = 'এ'; break;
case 'ৌ': insert = 'এ'; break;
case 'ে': insert = 'ৈ'; erase = 1; break;
case 'ৈ': insert = 'এ'; break;
case 'এ': insert = 'ঐ'; erase = 1; break;
case 'ঐ': insert = 'এ'; break;
case 'ি': insert = 'ী'; erase = 1; break;
case 'ী': insert = 'এ'; erase = 1; break;
case 'ই': insert = 'ঈ'; erase = 1; break;
case 'ঈ': insert = 'এ'; break;
case 'ো': insert = 'ৈ'; erase = 1; break;
case 'ও': insert = 'ঐ'; erase = 1; break;
default : insert = 'ে'; break;
}
break; //'e'
case 102: switch(previous)
{
case '': insert = 'ফ'; break;
case 'ঃ': insert = 'ফ'; break;
case 'ং': insert = 'ফ'; break;
case 'ঁ': insert = 'ফ'; break;
case 'অ' : insert = 'ফ'; break;
case 'আ': insert = 'ফ'; break;
case 'ই': insert = 'ফ'; break;
case 'ঈ': insert = 'ফ'; break;
case 'উ': insert = 'ফ'; break;
case 'ঊ': insert = 'ফ'; break;
case 'ঋ': insert = 'ফ'; break;
case 'এ': insert = 'ফ'; break;
case 'ঐ': insert = 'ফ'; break;
case 'ও': insert = 'ফ'; break;
case 'ঔ': insert = 'ফ'; break;
case 'া' : insert = 'ফ'; break;
case 'ি': insert = 'ফ'; break;
case 'ী': insert = 'ফ'; break;
case 'ু': insert = 'ফ'; break;
case 'ূ': insert = 'ফ'; break;
case 'ৃ': insert = 'ফ'; break;
case 'ে': insert = 'ফ'; break;
case 'ৈ': insert = 'ফ'; break;
case 'ো': insert = 'ফ'; break;
case 'ৌ': insert = 'ফ'; break;
case '্': insert = 'ফ'; break;
default : switch(prevprev)
{
case '': insert = 'ফ'; break;
case 'ঃ': insert = 'ফ'; break;
case 'ং': insert = 'ফ'; break;
case 'ঁ': insert = 'ফ'; break;
case 'অ' : insert = 'ফ'; break;
case 'আ': insert = 'ফ'; break;
case 'ই': insert = 'ফ'; break;
case 'ঈ': insert = 'ফ'; break;
case 'উ': insert = 'ফ'; break;
case 'ঊ': insert = 'ফ'; break;
case 'ঋ': insert = 'ফ'; break;
case 'এ': insert = 'ফ'; break;
case 'ঐ': insert = 'ফ'; break;
case 'ও': insert = 'ফ'; break;
case 'ঔ': insert = 'ফ'; break;
case 'া' : insert = 'ফ'; break;
case 'ি': insert = 'ফ'; break;
case 'ী': insert = 'ফ'; break;
case 'ু': insert = 'ফ'; break;
case 'ূ': insert = 'ফ'; break;
case 'ৃ': insert = 'ফ'; break;
case 'ে': insert = 'ফ'; break;
case 'ৈ': insert = 'ফ'; break;
case 'ো': insert = 'ফ'; break;
case 'ৌ': insert = 'ফ'; break;
case '্': insert = 'ফ'; break;
default : insert = '্'; offset = 1; break;
}
break;
}
break; //'f'
case 103: switch(previous)
{
case 'ণ': insert = 'ং'; erase = 1; break;
default : insert = 'গ'; break;
}
break; // 'g'
case 104: switch(previous)
{
case 'ক' : insert = 'খ'; erase = 1;break;
case 'গ' : insert = 'ঘ'; erase = 1;break;
case 'ছ' : insert = 'চ'; erase = 1;break;
case 'জ' : insert = 'ঝ'; erase = 1;break;
case 'ত' : insert = 'থ'; erase = 1;break;
case 'দ' : insert = 'ধ'; erase = 1;break;
case 'ট' : insert = 'ঠ'; erase = 1;break;
case 'ড' : insert = 'ঢ'; erase = 1;break;
case 'প' : insert = 'ফ'; erase = 1;break;
case 'ব' : insert = 'ভ'; erase = 1; break;
case 'ম' : insert = 'ঙ'; erase = 1;break;
case 'ং' : insert = 'ঙ'; erase = 1;break;
case 'য়' : switch(prevprev)
{
case '': insert = 'হ'; break;
default: insert = 'ঁ'; erase = 1; break;
}
break;
case 'ঞ' : switch(prevprev)
{
case '': insert = 'হ'; break;
default: insert = 'ঁ'; erase = 1; break;
}
break;
case 'র' : insert = 'ড়'; erase = 1;break;
case 'ড়' : insert = 'ঢ়'; erase = 1;break;
case 'স' : insert = 'শ'; erase = 1;break;
case 'য' : insert = 'ঝ'; erase = 1;break;
case '্': insert = 'ঝ'; erase = 1; break;
default: insert = 'হ'; break;
}
break; //'h'
case 105: switch(previous)
{
case '': insert = 'ই'; break;
case 'ঃ': insert = 'ই'; break;
case 'ং': insert = 'ই'; break;
case 'ঁ': insert = 'ই'; break;
case 'অ' : insert = 'ই'; break;
case 'আ': insert = 'ই'; break;
case 'উ': insert = 'ই'; break;
case 'ঊ': insert = 'ই'; break;
case 'ঋ': insert = 'ই'; break;
case 'ঔ': insert = 'ই'; break;
case 'া' : insert = 'ই'; break;
case 'ু': insert = 'ই'; break;
case 'ূ': insert = 'ই'; break;
case 'ৃ': insert = 'ই'; break;
case 'ৌ': insert = 'ই'; break;
case 'ি': insert = 'ী'; erase = 1;break;
case 'ী': insert = 'ই'; break;
case 'ই': insert = 'ঈ'; erase = 1;break;
case 'ঈ': insert = 'ই'; break;
case 'এ': insert = 'ঐ'; erase = 1;break;
case 'ঐ': insert = 'ই'; break;
case 'ে': insert = 'ৈ'; erase = 1;break;
case 'ৈ': insert = 'ই'; break;
case 'ো': insert = 'ৈ'; erase = 1; break;
case 'ও': insert = 'ঐ'; erase = 1; break;
default : insert = 'ি'; break;
}
break; //'i'
case 106: switch(previous)
{
case '' : insert = 'জ'; break;
case 'ঃ': insert = 'জ'; break;
case 'ং': insert = 'জ'; break;
case 'ঁ': insert = 'জ'; break;
case 'আ': insert = 'জ'; break;
case 'ই': insert = 'জ'; break;
case 'ঈ': insert = 'জ'; break;
case 'উ': insert = 'জ'; break;
case 'ঊ': insert = 'জ'; break;
case 'ঋ': insert = 'জ'; break;
case 'এ': insert = 'জ'; break;
case 'ঐ': insert = 'জ'; break;
case 'ও': insert = 'জ'; break;
case 'ঔ': insert = 'জ'; break;
case 'া' : insert = 'জ'; break;
case 'ি': insert = 'জ'; break;
case 'ী': insert = 'জ'; break;
case 'ু': insert = 'জ'; break;
case 'ূ': insert = 'জ'; break;
case 'ৃ': insert = 'জ'; break;
case 'ে': insert = 'জ'; break;
case 'ৈ': insert = 'জ'; break;
case 'ো': insert = 'জ'; break;
case 'ৌ': insert = 'জ'; break;
case '্': insert = 'জ'; erase = 1; break;
default : insert = '্'; break;
}
break; //'j'
case 107: insert = 'ক'; break; //'k'
case 108: insert = 'ল'; break; //'l'
case 109: insert = 'ম'; break; //'m'
case 110: insert = 'ন'; break; //'n'
case 111: switch(previous)
{
case '': insert = 'ও'; break;
case 'ঃ': insert = 'ও'; break;
case 'ং': insert = 'ও'; break;
case 'ঁ': insert = 'ও'; break;
case 'অ' : insert = 'ও'; break;
case 'আ': insert = 'ও'; break;
case 'ই': insert = 'ও'; break;
case 'ঈ': insert = 'ও'; break;
case 'ঋ': insert = 'ও'; break;
case 'এ': insert = 'ও'; break;
case 'ঐ': insert = 'ও'; break;
case 'া' : insert = 'ও'; break;
case 'ি': insert = 'ও'; break;
case 'ী': insert = 'ও'; break;
case 'ৃ': insert = 'ও'; break;
case 'ে': insert = 'ও'; break;
case 'ৈ': insert = 'ও'; break;
case 'ো': insert = 'ৌ'; erase = 1; break;
case 'ৌ': insert = 'ও'; break;
case 'ু': insert = 'ূ'; erase = 1; break;
case 'ূ': insert = 'ও'; break;
case 'ও': insert = 'ঔ'; erase = 1; break;
case 'ঔ': insert = 'ও'; break;
case 'উ': insert = 'ঊ'; erase = 1; break;
case 'ঊ': insert = 'ও'; break;
default : insert = 'ো'; break;
}
break; //'o'
case 112: insert = 'প'; break; //'p'
case 113: erase = 1; break; //'q'
case 114: insert = 'র'; break; //'r'
case 115: insert = 'স'; break; //'s'
case 116: insert = 'ত'; break; //'t'
case 117: switch(previous)
{
case '' : insert = 'উ'; break;
case 'ঃ': insert = 'উ'; break;
case 'ং': insert = 'উ'; break;
case 'ঁ': insert = 'উ'; break;
case 'া' : insert = 'উ'; break;
case 'ি': insert = 'উ'; break;
case 'ী': insert = 'উ'; break;
case 'ে': insert = 'উ'; break;
case 'ৈ': insert = 'উ'; break;
case 'ৃ' : insert = 'উ'; break;
case 'অ' : insert = 'উ'; break;
case 'আ': insert = 'উ'; break;
case 'ই': insert = 'উ'; break;
case 'ঈ': insert = 'উ'; break;
case 'ঋ': insert = 'উ'; break;
case 'এ': insert = 'উ'; break;
case 'ঐ': insert = 'উ'; break;
case 'ু': insert = 'ূ'; erase = 1; break;
case 'ূ': insert = 'উ'; break;
case 'ো': insert = 'ৌ'; erase = 1; break;
case 'ৌ': insert = 'উ'; break;
case 'ঔ': insert = 'উ'; break;
case 'ও': insert = 'ঔ'; erase = 1; break;
case 'ঊ': insert = 'উ'; break;
case 'উ': insert = 'ঊ'; erase = 1; break;
default : insert = 'ু'; break;
}
break; //'u'
case 118: insert = 'ভ'; break; //'v'
case 119: switch(previous)
{
case '' : insert = 'ঋ'; break;
case 'ঃ': insert = 'ঋ'; break;
case 'ং': insert = 'ঋ'; break;
case 'ঁ': insert = 'ঋ'; break;
case 'া' : insert = 'ঋ'; break;
case 'ি': insert = 'ঋ'; break;
case 'ী': insert = 'ঋ'; break;
case 'ু': insert = 'ঋ'; break;
case 'ূ': insert = 'ঋ'; break;
case 'ৃ' : insert = 'ঋ'; break;
case 'ে': insert = 'ঋ'; break;
case 'ৈ': insert = 'ঋ'; break;
case 'ো': insert = 'ঋ'; break;
case 'ৌ': insert = 'ঋ'; break;
case 'অ' : insert = 'ঋ'; break;
case 'আ': insert = 'ঋ'; break;
case 'ই': insert = 'ঋ'; break;
case 'ঈ': insert = 'ঋ'; break;
case 'উ': insert = 'ঋ'; break;
case 'ঊ': insert = 'ঋ'; break;
case 'ঋ': insert = 'ঋ'; break;
case 'এ': insert = 'ঋ'; break;
case 'ঐ': insert = 'ঋ'; break;
case 'ও': insert = 'ঋ'; break;
case 'ঔ': insert = 'ঋ'; break;
default : insert = 'ৃ'; break;
}
break; //'w'
case 120: switch(previous)
{
case 'অ' : insert = 'া'; erase = 1; break;
case 'আ': insert = 'া'; erase = 1; break;
case 'ই': insert = 'ি'; erase = 1; break;
case 'ঈ': insert = 'ী'; erase = 1; break;
case 'উ': insert = 'ু'; erase = 1; break;
case 'ঊ': insert = 'ূ'; erase = 1; break;
case 'ঋ': insert = 'ৃ'; erase = 1; break;
case 'এ': insert = 'ে'; erase = 1; break;
case 'ঐ': insert = 'ৈ'; erase = 1; break;
case 'ও': insert = 'ো'; erase = 1; break;
case 'ঔ': insert = 'ৌ'; erase = 1; break;
case 'ট': insert = 'ত'; erase = 1; break;
case 'ত': insert = 'ৎ'; erase = 1; break;
case 'ঠ' : insert = 'থ'; erase = 1;break;
case 'ড': insert = 'ড়'; erase = 1; break;
case 'ঢ': insert = 'ধ'; erase = 1; break;
case 'ব': insert = 'র'; erase = 1; break;
case 'ঢ': insert = 'ঢ়'; erase = 1; break;
case 'য': insert = 'য়'; erase = 1; break;
case 'য়': insert = 'ষ'; erase = 1; break;
case 'র': insert = 'ঋ'; erase = 1; break;
case 'ম' : insert = 'ং'; erase = 1; break;
case 'ভ' : insert = 'ঃ'; erase = 1; break;
case 'ঞ' : insert = 'ঁ'; erase = 1; break;
}
break; // 'x'
case 121: insert = 'য়'; break; //'y'
case 122: insert = 'য'; break; //'z'
default: return true;
}
myManipulate(field, insert, erase, offset);
return false;
}
</script>
<textarea name="mytext" id="mytext" onkeypress="return mykeypress(event, 'mytext');" rows="25" cols="90" style="font-family:comic sans ms"></textarea>
</html>