A subclass of TNAttachedWindow that prevents a window from going too far to the left off screen.

STAttachedWindow.j

/*
 *  STAttachedWindow.j
 *  stocktwits-desktop-2
 *
 *  Created by Daniel Brajkovic on 12/13/10.
 *  Copyright Witton Technology Group 2010. All rights reserved.
*/

@import "TNAttachedWindow.j"

@implementation STAttachedWindow : TNAttachedWindow
{
}

- (void)positionRelativeToView:(CPView)aView gravity:(int)aGravity
{
    var frameView = [aView frame],
        posX = frameView.origin.x + CPRectGetWidth(frameView),
        posY = frameView.origin.y + (CPRectGetHeight(frameView) / 2.0) - (CPRectGetHeight([self frame]) / 2.0),
        point = [self computeOrigin:aView gravity:aGravity],
        offsetY = 0;

	if (point.x < frameView.origin.x ) {
		offsetX = frameView.origin.x  - point.x
		point.x = frameView.origin.x ;
		var cursorPoint = [_cursorView frameOrigin];
        cursorPoint.x = (frameView.origin.x + CPRectGetWidth(frameView)) /2 ;
        [_cursorView setFrameOrigin:cursorPoint];

		}
		
    if (point.y < 0)
    {
        offsetY = point.y;
        point.y = 0;
        var cursorPoint = [_cursorView frameOrigin];
        cursorPoint.y += offsetY;
        [_cursorView setFrameOrigin:cursorPoint];
    }

    [self setFrameOrigin:point];
    [self makeKeyAndOrderFront:nil];
}

@end