<krpano>
	
	<!--
		doubleclick_style.xml
		krpano 1.21
	
		A helper style for single/double-click detection for layer and hotspot elements.
		
		Example:
		
		<layer ...
		       style="doubleclick"
		       onsingleclick="trace('-single click-');"
		       ondoubleclick="trace('-double click-');"
		       />
	-->
	
	<style name="doubleclick"
	       downx="0"
	       downy="0"
	       clicks="0"
	       onsingleclick=""
	       ondoubleclick=""
	       onclick.addevent="doubleclick_style_onclick();"
	       />

	<action name="doubleclick_style_onclick">
	    inc(clicks);
	    if(clicks == 2,
	        set(clicks,0); 
	        stopdelayedcall(doubleclickdetector);
	        if((((mouse.x-downx)^2 + (mouse.y-downy)^2)^0.5) LT (device.touch ? 10 : 2),
	            ondoubleclick();
	          ,
	            onsingleclick();
	            onsingleclick();
	        );
	      ,
	        copy(downx, mouse.x); 
	        copy(downy, mouse.y);
	        delayedcall(doubleclickdetector, 0.3, 
	            set(clicks,0); 
	            onsingleclick();
	        );
	    );
	</action>
	
</krpano>