js写的操作系统

// JS/UIX v0.44
// (c) mass:werk (N.Landsteiner) 2003
// all rights reserved

// term gui

var conf_term_x=102;
var conf_term_y=34;
var conf_kbd_offset=34;
var termImgPath='jsuix_support/';
var termDiv='termDiv';
var termBgColor='#181818';
var termFrameColor='#555555';
var termPageColor='#222222';
var conf_repeat_delay1=320;
var conf_repeat_delay2=170;

var termKbdDiv='termKbdDiv';
var termKbdBgColor='#222222';
var keycapspath='jsuix_support/keycaps/';

var termSubDivs=false;
var termLayers=false;
var termDocNS4=null;
var termStringStart='';
var termStringEnd='';

var termKbdDocNS4=null;
var termKbdOn=false;
var keycapsShift=false;
var keycapsCpslk=false;
var keycapsShiftRef=new Array();
var keycapsCpslkRef=new Array();

var termSpecials=new Array();
termSpecials[0]=' ';
termSpecials[1]='$';
termSpecials[2]=' ';
termSpecials[3]='?';
termSpecials[4]='#';
termSpecials[32]=' ';
termSpecials[34]='"';
termSpecials[38]='&';
termSpecials[60]='<';
termSpecials[62]='>';
termSpecials[127]='◊';

var termStyles=new Array(1,2,4,8);
var termStyleOpen=new Array();
var termStyleClose=new Array();
termStyleOpen[1]='<SPAN CLASS="termReverse">';
termStyleClose[1]='<\/SPAN>';
termStyleOpen[2]='<U>';
termStyleClose[2]='<\/U>';
termStyleOpen[4]='<I>';
termStyleClose[4]='<\/I>';
termStyleOpen[8]='<STRIKE>';
termStyleClose[8]='<\/STRIKE>';


// buttons UI

vartermImgNames=new Array('left_lo', 'left_hi', 'right_lo', 'right_hi','delete_lo', 'delete_hi', 'esc_lo', 'esc_hi', 'kbd_show_lo','kbd_show_hi', 'kbd_hide_lo', 'kbd_hide_hi');
var termImages=new Array();

function termImgPreload(path,imgnames) {
for (var i=0; i<imgnames.length; i++) {
var n=imgnames[i];
termImages[n]=new Image();
termImages[n].src=path+n+'.gif'
}
}

if (document.images) termImgPreload(termImgPath,termImgNames);

function termSetImg(n,v) {
if (document.images) {
var img=(termLayers)? termDocNS4.images['term_'+n] : document.images['term_'+n];
var stat=(v)? '_hi' : '_lo';
img.src=termImages[n+stat].src
}
}


// UI keyboard
// key maps (200=left shift, 202=right shift, 204=CpsLock)

var termKeyMap= [
[96,49,50,51,52,53,54,55,56,57,48,45,61,8],
[27,113,119,101,114,116,121,117,105,111,112,91,93,13],
[204,97,115,100,102,103,104,106,107,108,59,39,35],
[200,92,122,120,99,118,98,110,109,44,46,47,30,202],
[32,28,31,29]
];
var termKeyMapShift=[
[126,33,34,35,36,37,94,38,42,40,41,95,43,8],
[27,81,87,69,82,84,89,85,73,79,80,123,125,13],
[204,65,83,68,70,71,72,74,75,76,58,34,64],
[200,124,90,88,67,86,66,78,77,60,62,63,30,202],
[32,28,31,29]
];
var termKeyMapCpslk=[
[96,49,50,51,52,53,54,55,56,57,48,45,61,8],
[27,81,87,69,82,84,89,85,73,79,80,91,93,13],
[204,65,83,68,70,71,72,74,75,76,59,39,35],
[200,92,90,88,67,86,66,78,77,44,46,47,30,202],
[32,28,31,29]
];
var termKeyWdth=[
[35,35,35,35,35,35,35,35,35,35,35,35,35,69],
[55,35,35,35,35,35,35,35,35,35,35,35,35,0],
[65,35,35,35,35,35,35,35,35,35,35,35,35],
[49,35,35,35,35,35,35,35,35,35,35,35,35,54],
[252,35,35,35]
];

var keycapsImgNames=new Array(200,201,202,203,204,205);

function termKeyCaps(k) {
if ((k<28) && (k>=32) && (repeatTimer)) clearTimeout(repeatTimer);
if (k==204) {
keycapsCpslk=(!keycapsCpslk);
var cnr=(keycapsCpslk)? 205:204;
termKbdSetImg(204,cnr)
}
else if ((k==200) || (k==202)) {
keycapsShift=(!keycapsShift);
var m=(keycapsShift)? 1:0;
termKbdSetImg(200,200+m);
termKbdSetImg(202,202+m)
}
else {
var ch=0;
if (keycapsShift) {
ch=keycapsShiftRef[k]
keycapsShift=false;
termKbdSetImg(200,200);
termKbdSetImg(202,202)
}
else if (keycapsCpslk) ch=keycapsCpslkRef[k]
else ch=k;
keyHandler({which:ch,jsuix_remapped:true})
}
}

function termKbdSetImg(n,v) {
if (document.images) {
var img=(termLayers)? termKbdDocNS4.images['key'+n] : document.images['key'+n];
img.src=termImages[v].src
}
}


function termSetKbdButton(v) {
if (document.images) {
var img=(termLayers)? termDocNS4.images.term_kbd_show : document.images.term_kbd_show;
var n=(termKbdOn)? 'kbd_hide' : 'kbd_show';
var stat=(v)? '_hi' : '_lo';
img.src=termImages[n+stat].src
}
}

function termKbdShow() {
if (termKbdOn) {
setDivVisibility(termKbdDiv,0);
termKbdOn=false;
termSetKbdButton(0)
}
else {
termImgPreload(keycapspath,keycapsImgNames);
keycapsShift=false;
keycapsCpslk=false;
var s='<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0">\n';
s+='<TR><TD WIDTH="7" BGCOLOR="'+termPageColor+'"><IMGSRC="'+keycapspath+'spacer.gif" WIDTH="7"HEIGHT="2"><\/TD>\n';
s+='<TD BGCOLOR="'+termPageColor+'">'+termMakeKbd()+'</TD>\n';
s+'<TD WIDTH="7" BGCOLOR="'+termPageColor+'"><IMGSRC="'+keycapspath+'spacer.gif" WIDTH="7"HEIGHT="2"><\/TD><\TR>\n';
s+='<TR><TDHEIGHT="10" COLSPAN="3" BGCOLOR="'+termPageColor+'"><IMGSRC="'+keycapspath+'spacer.gif" WIDTH="2"HEIGHT="10"><\/TD><\/TR>\n';
s+='<\/TABLE>';
writeElement(termKbdDiv,s);
setDivXY(termKbdDiv,conf_term_x,conf_term_y+conf_kbd_offset+conf_rows*conf_rowheigt);
if (termLayers) termKbdDocNS4=document.layers[termKbdDiv].document;
termKbdOn=true;
setDivVisibility(termKbdDiv,1);
termSetKbdButton(0)
}
}

function termMakeKbd() {
var s='<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0">\n';
for (var i=0; i<termKeyMap.length; i++) {
s+='<TR><TD NOWRAP HEIGHT="39" VALIGN="top" NOWRAP BGCOLOR="'+termKbdBgColor+'">';
for (var k=0; k<termKeyMap[i].length; k++) {
var kc=termKeyMap[i][k];
keycapsShiftRef[kc]=termKeyMapShift[i][k];
keycapsCpslkRef[kc]=termKeyMapCpslk[i][k];
if (kc==13) {
s+='<A HREF="javas'+'cript:termKeyCaps(13)"onfocus="if(this.blur)this.blur()"><IMGSRC="'+keycapspath+'13_1.gif" HSPACE="0" VSPACE="0" ALIGN="top"BORDER="0" WIDTH="47" HEIGHT="39"><\/A>';
continue
};
if (kc==32) s+='<IMG SRC="'+keycapspath+'spacer.gif" WIDTH="139"HEIGHT="35" HSPACE="1" VSPACE="1" ALIGN="top">'
else if (kc==28) {
s+='<IMG SRC="'+keycapspath+'spacer.gif" WIDTH="23" HEIGHT="35" HSPACE="1" VSPACE="1" ALIGN="top">';
s+='<A HREF="javasc'+'ript:cursorKbdLeft()"onfocus="if(this.blur)this.blur()" onmousedown="repeatSet(\'left\',1)"onmouseup="repeatClear()"><IMG SRC="'+keycapspath+kc+'.gif"NAME="key'+kc+'" HSPACE="1" VSPACE="1" ALIGN="top" BORDER="0"WIDTH="'+termKeyWdth[i][k]+'" HEIGHT="35"><\/A>';
continue
}
else if (kc==29) {
s+='<A HREF="javasc'+'ript:cursorKbdRight()"onfocus="if(this.blur)this.blur()" onmousedown="repeatSet(\'right\',1)"onmouseup="repeatClear()"><IMG SRC="'+keycapspath+kc+'.gif"NAME="key'+kc+'" HSPACE="1" VSPACE="1" ALIGN="top" BORDER="0"WIDTH="'+termKeyWdth[i][k]+'" HEIGHT="35"><\/A>';
continue
}
else if (kc==8) {
s+='<A HREF="javasc'+'ript:termKbdBackspace()"onfocus="if(this.blur)this.blur()"onmousedown="repeatSet(\'backspace\',1)"onmouseup="repeatClear()"><IMG SRC="'+keycapspath+kc+'.gif"NAME="key'+kc+'" HSPACE="1" VSPACE="1" ALIGN="top" BORDER="0"WIDTH="'+termKeyWdth[i][k]+'" HEIGHT="35"><\/A>';
continue
}
s+='<A HREF="javas'+'cript:termKeyCaps('+kc+')"onfocus="if(this.blur)this.blur()"><IMGSRC="'+keycapspath+kc+'.gif" NAME="key'+kc+'" HSPACE="1" VSPACE="1"ALIGN="top" BORDER="0" WIDTH="'+termKeyWdth[i][k]+'"HEIGHT="35"><\/A>';
if (kc==35) s+='<AHREF="javas'+'cript:termKeyCaps(13)"onfocus="if(this.blur)this.blur()"><IMGSRC="'+keycapspath+'13_2.gif" HSPACE="0" VSPACE="0" ALIGN="top"BORDER="0" WIDTH="37" HEIGHT="36"><\/A>';
};
s+='<\/TD><\/TR>\n';
};
s+='<\/TABLE>';
return s
}


// term UI

function termHide() {
if (repeatTimer) clearTimeout(repeatTimer);
if (termKbdOn) termKbdShow();
setDivVisibility(termDiv,0)
}

function makeTerm() {
window.status='Building terminal ...';
termLayers=(document.layers)? true:false;
termSubDivs=(navigator.userAgent.indexOf('Gecko')<0);
var s='';
s+='<TABLE BORDER="0" CELLSPACING="0" CELLPADDING="1">\n';
s+='<TR><TD BGCOLOR="'+termFrameColor+'"COLSPAN="2"><TABLE BORDER="0" CELLSPACING="0"CELLPADDING="2"><TR><TDBGCOLOR="'+termBgColor+'"><TABLE BORDER="0" CELLSPACING="0"CELLPADDING="0">\n';
var rstr='';
for (var c=0; c<conf_cols; c++) rstr+=' ';
for (var r=0; r<conf_rows; r++) {
var id=((termLayers) || (termSubDivs))? '' : ' ID="term_'+r+'"';
s+='<TR><TD NOWRAP HEIGHT="'+conf_rowheigt+'"'+id+' CLASS="term">'+rstr+'<\/TD><\/TR>\n';
};
s+='<\/TABLE><\/TD><\/TR>\n';
s+='<\/TABLE><\/TD><\/TR>\n';

s+='<TR>\n<TD VALIGN="middle"BGCOLOR="'+termPageColor+'"><TABLE BORDER="0" CELLSPACING="0"CELLPADDING="1"><TR>\n';
s+='<TD><AHREF="javasc'+'ript:termKbdShow()" onmouseover="termSetKbdButton(1);window.status=\'show/hide full graphic keyboard\'; return true"onmouseout="termSetKbdButton(0); window.status=\'\'; return true"onfocus="if(this.blur)this.blur()"><IMGSRC="'+termImgPath+'kbd_show_lo.gif" NAME="term_kbd_show" WIDTH="73"HEIGHT="19" BORDER="0" HSPACE="5" ALT="show/hidekeyboard"><\/A><\/TD><\/TR><\/TABLE><\/TD>\n';

s+='<TD ALIGN="right"><TABLE BORDER="0" CELLSPACING="0" CELLPADDING="1"><TR>\n';
s+='<TD><A HREF="javasc'+'ript:cursorKbdLeft()"onmouseover="termSetImg(\'left\',1); window.status=\'left\'; returntrue" onmouseout="termSetImg(\'left\',0); window.status=\'\'; returntrue" onfocus="if(this.blur)this.blur()" TITLE="cursor left"onmousedown="repeatSet(\'left\',1)"onmouseup="repeatClear()"><IMG SRC="'+termImgPath+'left_lo.gif"NAME="term_left" WIDTH="23" HEIGHT="23" ALT="cursor left"BORDER="0"><\/A><\/TD>\n';
s+='<TD><AHREF="javasc'+'ript:cursorKbdRight()"onmouseover="termSetImg(\'right\',1); window.status=\'right\'; returntrue" onmouseout="termSetImg(\'right\',0); window.status=\'\'; returntrue" onfocus="if(this.blur)this.blur()" TITLE="cursor right"onmousedown="repeatSet(\'right\',1)"onmouseup="repeatClear()"><IMG SRC="'+termImgPath+'right_lo.gif"NAME="term_right" WIDTH="23" HEIGHT="23" ALT="cursor right"BORDER="0"><\/A><\/TD>\n';
s+='<TD><AHREF="javasc'+'ript:termKbdBackspace()"onmouseover="termSetImg(\'delete\',1); window.status=\'backspace\';return true" onmouseout="termSetImg(\'delete\',0); window.status=\'\';return true" onfocus="if(this.blur)this.blur()" TITLE="backspace"onmousedown="repeatSet(\'backspace\',1)"onmouseup="repeatClear()"><IMG SRC="'+termImgPath+'delete_lo.gif"NAME="term_delete" WIDTH="23" HEIGHT="23" ALT="backspace"BORDER="0"><\/A><\/TD>\n';
s+='<TD><AHREF="javasc'+'ript:termKbdEsc()" onmouseover="termSetImg(\'esc\',1);window.status=\'esc\'; return true" onmouseout="termSetImg(\'esc\',0);window.status=\'\'; return true" onfocus="if(this.blur)this.blur()"TITLE="esc"><IMG SRC="'+termImgPath+'esc_lo.gif" NAME="term_esc"WIDTH="23" HEIGHT="23" ALT="esc"BORDER="0"><\/A><\/TD>\n';
s+='<\/TR><\/TABLE><\/TD><\/TR>\n';
s+='<\/TABLE>\n';
if (termLayers) {
for (var r=0; r<conf_rows; r++) {
s+='<LAYER NAME="term_'+r+'" TOP="'+(3+r*conf_rowheigt)+'" LEFT="3" CLASS="term"><\/LAYER>\n'
};
termDocNS4=document.layers[termDiv].document;
termStringStart='<TABLE BORDER="0" CELLSPACING="0"CELLPADDING="0"><TR><TD NOWRAP HEIGHT="'+conf_rowheigt+'"CLASS="term">';
termStringEnd='<\/TD><\/TR><\/TABLE>';
}
else if (termSubDivs) {
for (var r=0; r<conf_rows; r++) {
s+='<DIV ID="term_'+r+'" STYLE="position:absolute;top:'+(3+r*conf_rowheigt)+'px; left: 3px;"CLASS="term"><\/DIV>\n'
};
termStringStart='<TABLE BORDER="0" CELLSPACING="0"CELLPADDING="0"><TR><TD NOWRAP HEIGHT="'+conf_rowheigt+'"CLASS="term">';
termStringEnd='<\/TD><\/TR><\/TABLE>';
};
writeElement(termDiv,s);
setDivXY(termDiv,conf_term_x,conf_term_y);
setDivVisibility(termDiv,1);
window.status=''
}

function termDisplay(r) {
var s=termStringStart;
var curStyle=0;
for (var i=0; i<conf_cols; i++) {
var c=term[r][i];
var cs=termStyle[r][i];
if (cs!=curStyle) {
if (curStyle) {
for (var k=termStyles.length-1; k>=0; k--) {
var st=termStyles[k];
if (curStyle&st) s+=termStyleClose[st];
}
};
curStyle=cs;
for (var k=0; k<termStyles.length; k++) {
var st=termStyles[k];
if (curStyle&st) s+=termStyleOpen[st];
}
};
s+= (termSpecials[c])? termSpecials[c] : String.fromCharCode(c);
};
if (curStyle>0) {
for (var k=termStyles.length-1; k>=0; k--) {
var st=termStyles[k];
if (curStyle&st) s+=termStyleClose[st];
}
};
s+=termStringEnd;
writeElement('term_'+r,s,termDocNS4)
}

function termGuiReady() {
ready=true;
if (termGuiElementReady(termDiv, self.document)) {
for (var r=0; r<conf_rows; r++) {
if (termGuiElementReady('term_'+r,termDocNS4)==false) {
ready=false;
break
}
}
}
else ready=false;
return ready
}


function cursorKbdLeft() {
keyHandler({which:28})
}

function cursorKbdRight() {
keyHandler({which:29})
}

function termKbdBackspace() {
keyHandler({which:8})
}

function termKbdEsc() {
keyHandler({which:27})
}

function termKbdClear() {
if ((!cnslLock) && (!cnslRawMode)) cnslReset();
}

// UI-button repeat

function repeatSet(cmd,on) {
if (repeatTimer) clearTimeout(repeatTimer);
repeatTimer=setTimeout('repeatDo("'+cmd+'")',conf_repeat_delay1);
}

function repeatClear() {
if (repeatTimer) clearTimeout(repeatTimer);
}

function repeatDo(cmd) {
if (repeatTimer) clearTimeout(repeatTimer);
if (cmd=='left') cursorKbdLeft()
else if (cmd=='right') cursorKbdRight()
else if (cmd=='backspace') termKbdBackspace();
repeatTimer=setTimeout('repeatDo("'+cmd+'")',conf_repeat_delay2);
}


// basic dynamics

function writeElement(e,t,d) {
if (document.layers) {
var doc=(d)? d : self.document;
doc.layers[e].document.open();
doc.layers[e].document.write(t);
doc.layers[e].document.close()
}
else if (document.getElementById) {
var obj=document.getElementById(e);
obj.innerHTML=t
}
else if (document.all) {
document.all[e].innerHTML=t
}
}

function setDivXY(d,x,y) {
if (document.layers) {
document.layers[d].moveTo(x,y)
}
else if (document.getElementById) {
var obj=document.getElementById(d);
obj.style.left=x+'px';
obj.style.top=y+'px'
}
else if (document.all) {
document.all[d].style.left=x+'px';
document.all[d].style.top=y+'px'
}
}

function setDivVisibility(d,v) {
if (document.layers) {
document.layers[d].visibility= (v)? 'show':'hide';
}
else if (document.getElementById) {
var obj=document.getElementById(d);
obj.style.visibility= (v)? 'visible':'hidden';
}
else if (document.all) {
document.all[d].style.visibility= (v)? 'visible':'hidden';
}
}

function termGuiElementReady(e,d) {
if (document.layers) {
var doc=(d)? d : self.document;
return ((doc) && (doc.layers[e]))? true:false
}
else if (document.getElementById) {
return (document.getElementById(e))? true:false
}
else if (document.all) {
return (document.all[e])? true:false
}
else return false

}

http://www.masswerk.at/jsuix/