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POWhy don't MOUSE_MOVE events get sent when the middle mouse button is pressed?
 

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  1. POWhy don't MOUSE_MOVE events get sent when the middle mouse button is pressed?
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    <p>I'm listening for MOUSE_MOVE events.</p> <p>They are sent and received just fine unless the middle mouse button is held down. I don't get any more MOUSE_MOVE events until the middle button is released.</p> <p>Is this an issue with Flash, or something to do with my specific mouse/computer configuration (bluetooth Mighty Mouse on Lion)?</p> <p>Are there any known workarounds?</p> <hr> <p>Here is a sample project to demonstrate the problem.<br> Left click and drag traces mouse move events, but middle click only shows middle mouse down and middle mouse up.</p> <pre><code>import flash.events.MouseEvent; this.stage.addEventListener(MouseEvent.MIDDLE_MOUSE_DOWN, onMiddleMouseDown); this.stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown); function onMiddleMouseDown(e:MouseEvent):void { trace("middle down"); this.stage.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMove); this.stage.addEventListener(MouseEvent.MIDDLE_MOUSE_UP, onMiddleMouseUp); } function onMouseMove(e:MouseEvent):void { trace("mouse move"); } function onMiddleMouseUp(e:MouseEvent):void { trace("middle up"); this.stage.removeEventListener(MouseEvent.MOUSE_MOVE, onMouseMove); this.stage.removeEventListener(MouseEvent.MIDDLE_MOUSE_UP, onMiddleMouseUp); } function onMouseDown(e:MouseEvent):void { trace("down"); this.stage.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMove); this.stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp); } function onMouseUp(e:MouseEvent):void { trace("up"); this.stage.removeEventListener(MouseEvent.MOUSE_MOVE, onMouseMove); this.stage.removeEventListener(MouseEvent.MOUSE_UP, onMouseUp); } </code></pre> <hr> <p><strong>UPDATE:</strong><br> It appears that the mouse position (mouseX and mouseY properties) are not being updated when the middle button is held down. I'd still like to know why, or if there is a workaround for this.</p>
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    1. COLooks like it is an issue with your setup. I just copy-pasted your code to test and MOUSE_MOVE fires correctly and mouseX and mouseY update properly. Pretty odd.
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    2. COOh cool, good to know. Thanks. I'm guessing it's a Mac/Lion thing. I've tried a few different mice and fiddled with my mouse settings and nothing seems to make a difference.
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