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Hit test not working for cells in a second column + possible fix #209

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@VirtualDiveGuide

Description

I couldn't get the following AQGridView function to return YES for cells in the second column of the grid when tapped:

  • (BOOL) _canSelectItemContainingHitView: (UIView *) hitView

I got it working by replacing:

 CGPoint hitCenter = [self convertPoint:[hitView center] fromView:hitView];

for ( AQGridViewCell *aCell in [[self visibleCells] copy])
{

    if ( CGRectContainsPoint( aCell.frame, hitCenter ) )
    return ( YES );

}

with:

UIView *parent = hitView.superview;
while (parent != nil)
{
    if ([parent isKindOfClass:[AQGridViewCell class]])
    {
        return ( YES );
    }
    parent = parent.superview;
}

This could possibly even be a bug with UIView's:

  • (CGPoint)convertPoint:(CGPoint)point fromView:(UIView *)view;

(hitCenter was outside the grid view but debugging the views in the hierarchy suggests this could not be the case.)

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