Re: Coordinates in SVG that embedded with scrolling

On Mon, 07 Dec 2009 09:06:12 +0100
Holger Jeromin <[email protected]> wrote:

> Svami Dhyan Nataraj schrieb am 05.12.2009 16:08:
> > I have problems with getting coordinates of mouse when I embedded
> > SVG into view port with scrollbars... 
> > 
> > If you try an example from attached file (an html one), you will be
> > able to drag-n-drop blue circle while you did not scroll view port.
> > But if you scroll viewport to see green ball, you will not be able
> > to drag it.
> > 
> > clientX and clientY are given as if the image were not scrolled at
> > all, and the circle immediately moves to the top of the image...
> > 
> > It seems to me that I should add dx and dy of scrollbars, to get
> > real coordinates. But I do not know where to get them.
> > 
> > Can you please help me with this sample?
> 
> pageX is relative to the top of page, regardless of the browser
> scrolling.
> 
> Beware that the AdobeSVG Viewer Pluginarea is not "informed" by the
> scrolling, so there clientx is not changed.
> 
> var mousePosX;
> var mousePosY;
> if (evt.pageX || evt.pageY) {
> 	//code for native SVG. pageX based on the full XHTML Document
> 	mousePosX = evt.pageX;
> 	mousePosY = evt.pageY;
> }else{
> 	//code for plugin. clientX is based on the Plugin area,
> without browser scrolling sideeffects
> 	mousePosX = evt.clientX;
> 	mousePosY = evt.clientY;
> }
Thanks! You've made my live happier...


BTW. I did not find pageX in SVG spec... It is mozilla specific
implementation, or what? Is it described somewhere?