jsuix_gui.js

// 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

var termImgNames=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='';
		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='';
	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><TD  BGCOLOR="'+termBgColor+'"><TABLE BORDER="0" CELLSPACING="0" CELLPADDING="0">\n';
	var rstr='';
	for (var c=0; c<conf_cols; c++) rstr+='&nbsp;';
	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';
	};
	
	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) {//specific to Netscape
		var doc=(d)? d : self.document;
		return ((doc) && (doc.layers[e]))? true:false
	}
	else if (document.getElementById) {//all
		return (document.getElementById(e))? true:false
	}
	else if (document.all) {//specific to Internet Explorer
		return (document.all[e])? true:false
	}
	else return false
}

//eof