UIMenuController+Swizzle.m

@interface UIMenuController (Swizzle)
@end

@implementation UIMenuController (Swizzle)

+ (void)load
{
    [self jr_swizzleMethod:@selector(setTargetRect:inView:) withMethod:@selector(SE_setTargetRect:inView:) error:NULL];
}

- (void)SE_setTargetRect:(CGRect)targetRect inView:(UIView *)targetView
{
    SEMenuCell *cell = SEAPIDynamicCast(targetView, SEMenuCell);
    if (cell != nil) {
        targetRect.size.width = cell.supposedWidth;
    }
    
    [self SE_setTargetRect:targetRect inView:targetView];
}

@end