Source code of Windows XP (NT5)
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<PUBLIC:COMPONENT>
<PUBLIC:PROPERTY name="selected" get="get_selected" put="put_selected"/>
<PUBLIC:ATTACH event="onmouseover" onevent="OnMouseOver();"/> <PUBLIC:ATTACH event="onmouseout" onevent="OnMouseOut();" /> <PUBLIC:ATTACH event="onkeypress" onevent="OnKeyPress();" />
<SCRIPT language="JavaScript">
var _bSelected = false;
function Hilite() { style.padding = '0'; style.border = '1px solid highlight'; }
function Unhilite() { style.border = ''; style.padding = '1px' }
function get_selected() { return _bSelected; }
function put_selected(val) { if (val == true) { _bSelected = true; Hilite(); } else { _bSelected = false; Unhilite(); } }
function OnMouseOver() { if (!_bSelected && !this.contains(event.fromElement)) Hilite(); }
function OnMouseOut() { if (!_bSelected && !this.contains(event.toElement)) Unhilite(); }
function OnKeyPress() { // If it's Enter or Space, click the element and stop the event // from bubbling so Enter keys don't go to the default button.
if (event.keyCode == 13 /*|| event.keyCode == 32*/) { event.returnValue = false; event.srcElement.click(); } }
</SCRIPT>
</PUBLIC:COMPONENT>
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