iPhone correct landscape window coordinates

Question

I am trying to get the window coordinates of a table view using the following code:

[self.tableView.superview convertRect:self.tableView.frame toView:nil]

Answer 1

I've found what I believe to be the beginnings of the solution. It seems the coordinates you and I are seeing are being based on the bottom left or top right, depending on whether the orientation is UIInterfaceOrientationLandscapeRight or UIInterfaceOrientationLandscapeLeft.

I don't know why yet, but hopefully that helps. :)

[UPDATE] So I guess the origin of the window is 0,0 in normal portrait mode, and rotates with the ipad/iphone.

So here's how I solved this.

First I grab my orientation, window bounds and the rect of my view within the window (with the wonky coordinates)

UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
CGRect windowRect = appDelegate.window.bounds;
CGRect viewRectAbsolute = [self.guestEntryTableView convertRect:self.guestEntryTableView.bounds toView:nil];

Then if the orientation is landscape, I reverse the x and y coordinates and the width and height

if (UIInterfaceOrientationLandscapeLeft == orientation ||UIInterfaceOrientationLandscapeRight == orientation ) {
    windowRect = XYWidthHeightRectSwap(windowRect);
    viewRectAbsolute = XYWidthHeightRectSwap(viewRectAbsolute);
}

Then I call my function for fixing the origin to be based on the top left no matter the rotation of the ipad/iphone. It fixes the origin depending on where 0,0 currently lives (depending on the orientation)

viewRectAbsolute = FixOriginRotation(viewRectAbsolute, orientation, windowRect.size.width, windowRect.size.height);

Here are the two functions I use

CGRect XYWidthHeightRectSwap(CGRect rect) {
    CGRect newRect;
    newRect.origin.x = rect.origin.y;
    newRect.origin.y = rect.origin.x;
    newRect.size.width = rect.size.height;
    newRect.size.height = rect.size.width;
    return newRect;
}

CGRect FixOriginRotation(CGRect rect, UIInterfaceOrientation orientation, int parentWidth, int parentHeight) {
    CGRect newRect;
    switch(orientation)
    {
        case UIInterfaceOrientationLandscapeLeft:
            newRect = CGRectMake(parentWidth - (rect.size.width + rect.origin.x), rect.origin.y, rect.size.width, rect.size.height);
            break;
        case UIInterfaceOrientationLandscapeRight:
            newRect = CGRectMake(rect.origin.x, parentHeight - (rect.size.height + rect.origin.y), rect.size.width, rect.size.height);
            break;
        case UIInterfaceOrientationPortrait:
            newRect = rect;
            break;
        case UIInterfaceOrientationPortraitUpsideDown:
            newRect = CGRectMake(parentWidth - (rect.size.width + rect.origin.x), parentHeight - (rect.size.height + rect.origin.y), rect.size.width, rect.size.height);
            break;
    }
    return newRect;
}