Difference between revisions of "LlListenControl"

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|func_id=26|func_sleep=0.0|func_energy=10.0
|func_id=26|func_sleep=0.0|func_energy=10.0
|func=llListenControl
|func=llListenControl
|p1_type=integer|p1_name=handle
|p1_type=integer|p2_subtype=handle|p1_name=handle
|p2_type=integer|p2_subtype=boolean|p2_name=active
|p2_type=integer|p2_subtype=boolean|p2_name=active
|func_footnote
|func_footnote

Revision as of 12:55, 30 December 2013

Summary

Function: llListenControl( integer handle, integer active );

Makes listen event callback handle active or inactive

• integer handle handle to control listen event
• integer active TRUE (default) activates, FALSE deactivates

Caveats

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Examples

a small example of an on and off switchable listen by use of llListenControl() <LSL> integer handle; integer toggle; default {

   state_entry()
   {
       handle = llListen(5, "", NULL_KEY, "");    // Establish a listener to listen to anything on channel 5 ...
       llListenControl(handle, FALSE);            // ... but make the listener inactive for now
       llSetText("not listening", <0.0,0.0,0.0>, 1.0);
   }
   touch_start(integer total_number)
   {
       toggle = !toggle;
       llListenControl(handle, toggle);           // Make the listener active or inactive as required
       if(toggle)
       {
           llSay(0, "now listening on channel 5");
           llSetText("listening on ch 5", <1.0,0.0,0.0>, 1.0);
       }
       else
       {
           llSay(0, "not listening any more");
           llSetText("not listening", <0.0,0.0,0.0>, 1.0);
       }     
   }
   
   listen(integer channel, string name, key id, string message)
   {
       llSay(0, name + " just said " + message);
   }

}

</LSL>

See Also

Events

•  listen

Functions

•  llListen
•  llListenRemove

Deep Notes

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Signature

function void llListenControl( integer handle, integer active );