Question

SVG + Javascript: mouse click coordinates inside SVG

Asked by: rperry_wha

I have an SVG + Javascript animation that I need to know where the user clicked (so that my animation starts to move that direction).  In regular HTML I can use the function you'll see below.  This isn't working for SVG though.  The script stops at "if (!e) var e = window.event;".  How can I accomplish what I want.  My focus is on newer browsers.

function getMousePos(e) {
	var posx = 0;
	var posy = 0;
	if (!e) var e = window.event;
	 return [e.clientX,  e.clientY];
	if (e.pageX || e.pageY) 	{
		posx = e.pageX;
		posy = e.pageY;
	}
	else if (e.clientX || e.clientY) 	{
		posx = e.clientX + document.body.scrollLeft
			+ document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop
			+ document.documentElement.scrollTop;
	}
	return [posx,posy];
	// posx and posy contain the mouse position relative to the document
	// Do something with this information
}

                                  
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Asked On
2008-08-31 at 17:14:47ID23692655
Tags

Javascript, SVG

Topic

Document Object Model

Participating Experts
1
Points
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Comments
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Answers

 

by: Lolly-InkPosted on 2008-08-31 at 17:28:04ID: 22356899

How are you calling getMousePos? Are you passing evt to the function?

If you're not, then maybe you can assign:

if (!e) var e = window.evt;

OR

if (!e) var e = evt;

 

by: rperry_whaPosted on 2008-12-29 at 06:34:10ID: 23255871

I believe while it is technically possible, no  browsers have implemented the required features to accomplish this yet.

20120131-EE-VQP-002

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