//-----------------------------------------------------------------------------// name: mouse.ck// desc: basic mouse input (relative X and Y deltas)//       also see: mouse-abs.ck for absolute screen position//// note: select between mice/trackpads by specifying device number;//       to see a list of devices and their numbers, either...//       1) view the Device Browser window in miniAudicle (select//          "Human Interface Devices" in the drop-down menu)//       OR 2) from the command line://          > chuck --probe//// author: Ge Wang (https://ccrma.stanford.edu/~ge/)//----------------------------------------------------------------------------- // HID input and a HID messageHid hi;HidMsg msg; // which mouse0 => int device;// get from command lineif( me.args() ) me.arg(0) => Std.atoi => device; // open mouse 0, exit on failif( !hi.openMouse( device ) ) me.exit();<<< "mouse '" + hi.name() + "' ready", "" >>>; // infinite event loopwhile( true ){    // wait on HidIn as event    hi => now;     // messages received    while( hi.recv( msg ) )    {        // mouse motion        if( msg.isMouseMotion() )        {            if( msg.deltaX )            {                <<< "mouse motion:", msg.deltaX, "on x-axis" >>>;            }            if( msg.deltaY )            {                <<< "mouse motion:", msg.deltaY, "on y-axis" >>>;            }        }                // mouse button down        else if( msg.isButtonDown() )        {            <<< "mouse button", msg.which, "down" >>>;        }                // mouse button up        else if( msg.isButtonUp() )        {            <<< "mouse button", msg.which, "up" >>>;        }                // mouse wheel motion        else if( msg.isWheelMotion() )        {            if( msg.deltaX )            {                <<< "mouse wheel:", msg.deltaX, "on x-axis" >>>;            }                        if( msg.deltaY )            {                <<< "mouse wheel:", msg.deltaY, "on y-axis" >>>;            }        }    }}